diff options
Diffstat (limited to 'net')
164 files changed, 5133 insertions, 4268 deletions
diff --git a/net/9p/protocol.c b/net/9p/protocol.c index 9ee48cb..3d33ecf 100644 --- a/net/9p/protocol.c +++ b/net/9p/protocol.c @@ -368,7 +368,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt, const char *sptr = va_arg(ap, const char *); uint16_t len = 0; if (sptr) - len = min_t(uint16_t, strlen(sptr), + len = min_t(size_t, strlen(sptr), USHRT_MAX); errcode = p9pdu_writef(pdu, proto_version, diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 5af18d1..2a16765 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -192,10 +192,10 @@ static int pack_sg_list(struct scatterlist *sg, int start, s = rest_of_page(data); if (s > count) s = count; + BUG_ON(index > limit); sg_set_buf(&sg[index++], data, s); count -= s; data += s; - BUG_ON(index > limit); } return index-start; diff --git a/net/batman-adv/Makefile b/net/batman-adv/Makefile index 6d5c194..8676d2b 100644 --- a/net/batman-adv/Makefile +++ b/net/batman-adv/Makefile @@ -19,11 +19,10 @@ # obj-$(CONFIG_BATMAN_ADV) += batman-adv.o -batman-adv-y += bat_debugfs.o batman-adv-y += bat_iv_ogm.o -batman-adv-y += bat_sysfs.o batman-adv-y += bitarray.o batman-adv-$(CONFIG_BATMAN_ADV_BLA) += bridge_loop_avoidance.o +batman-adv-y += debugfs.o batman-adv-y += gateway_client.o batman-adv-y += gateway_common.o batman-adv-y += hard-interface.o @@ -35,6 +34,7 @@ batman-adv-y += ring_buffer.o batman-adv-y += routing.o batman-adv-y += send.o batman-adv-y += soft-interface.o +batman-adv-y += sysfs.o batman-adv-y += translation-table.o batman-adv-y += unicast.o batman-adv-y += vis.o diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index ca64665..e877af8 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -28,13 +28,13 @@ #include "send.h" #include "bat_algo.h" -static struct neigh_node *batadv_iv_ogm_neigh_new(struct hard_iface *hard_iface, - const uint8_t *neigh_addr, - struct orig_node *orig_node, - struct orig_node *orig_neigh, - __be32 seqno) +static struct batadv_neigh_node * +batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface, + const uint8_t *neigh_addr, + struct batadv_orig_node *orig_node, + struct batadv_orig_node *orig_neigh, __be32 seqno) { - struct neigh_node *neigh_node; + struct batadv_neigh_node *neigh_node; neigh_node = batadv_neigh_node_new(hard_iface, neigh_addr, ntohl(seqno)); @@ -54,9 +54,9 @@ out: return neigh_node; } -static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface) +static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface) { - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_ogm_packet *batadv_ogm_packet; uint32_t random_seqno; int res = -ENOMEM; @@ -64,20 +64,20 @@ static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface) get_random_bytes(&random_seqno, sizeof(random_seqno)); atomic_set(&hard_iface->seqno, random_seqno); - hard_iface->packet_len = BATMAN_OGM_HLEN; + hard_iface->packet_len = BATADV_OGM_HLEN; hard_iface->packet_buff = kmalloc(hard_iface->packet_len, GFP_ATOMIC); if (!hard_iface->packet_buff) goto out; - batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; - batman_ogm_packet->header.packet_type = BAT_IV_OGM; - batman_ogm_packet->header.version = COMPAT_VERSION; - batman_ogm_packet->header.ttl = 2; - batman_ogm_packet->flags = NO_FLAGS; - batman_ogm_packet->tq = TQ_MAX_VALUE; - batman_ogm_packet->tt_num_changes = 0; - batman_ogm_packet->ttvn = 0; + batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff; + batadv_ogm_packet->header.packet_type = BATADV_IV_OGM; + batadv_ogm_packet->header.version = BATADV_COMPAT_VERSION; + batadv_ogm_packet->header.ttl = 2; + batadv_ogm_packet->flags = BATADV_NO_FLAGS; + batadv_ogm_packet->tq = BATADV_TQ_MAX_VALUE; + batadv_ogm_packet->tt_num_changes = 0; + batadv_ogm_packet->ttvn = 0; res = 0; @@ -85,52 +85,62 @@ out: return res; } -static void batadv_iv_ogm_iface_disable(struct hard_iface *hard_iface) +static void batadv_iv_ogm_iface_disable(struct batadv_hard_iface *hard_iface) { kfree(hard_iface->packet_buff); hard_iface->packet_buff = NULL; } -static void batadv_iv_ogm_iface_update_mac(struct hard_iface *hard_iface) +static void batadv_iv_ogm_iface_update_mac(struct batadv_hard_iface *hard_iface) { - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_ogm_packet *batadv_ogm_packet; - batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; - memcpy(batman_ogm_packet->orig, + batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff; + memcpy(batadv_ogm_packet->orig, hard_iface->net_dev->dev_addr, ETH_ALEN); - memcpy(batman_ogm_packet->prev_sender, + memcpy(batadv_ogm_packet->prev_sender, hard_iface->net_dev->dev_addr, ETH_ALEN); } -static void batadv_iv_ogm_primary_iface_set(struct hard_iface *hard_iface) +static void +batadv_iv_ogm_primary_iface_set(struct batadv_hard_iface *hard_iface) { - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_ogm_packet *batadv_ogm_packet; - batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; - batman_ogm_packet->flags = PRIMARIES_FIRST_HOP; - batman_ogm_packet->header.ttl = TTL; + batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff; + batadv_ogm_packet->flags = BATADV_PRIMARIES_FIRST_HOP; + batadv_ogm_packet->header.ttl = BATADV_TTL; } /* when do we schedule our own ogm to be sent */ static unsigned long -batadv_iv_ogm_emit_send_time(const struct bat_priv *bat_priv) +batadv_iv_ogm_emit_send_time(const struct batadv_priv *bat_priv) { - return jiffies + msecs_to_jiffies( - atomic_read(&bat_priv->orig_interval) - - JITTER + (random32() % 2*JITTER)); + unsigned int msecs; + + msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER; + msecs += (random32() % 2 * BATADV_JITTER); + + return jiffies + msecs_to_jiffies(msecs); } /* when do we schedule a ogm packet to be sent */ static unsigned long batadv_iv_ogm_fwd_send_time(void) { - return jiffies + msecs_to_jiffies(random32() % (JITTER/2)); + return jiffies + msecs_to_jiffies(random32() % (BATADV_JITTER / 2)); } /* apply hop penalty for a normal link */ -static uint8_t batadv_hop_penalty(uint8_t tq, const struct bat_priv *bat_priv) +static uint8_t batadv_hop_penalty(uint8_t tq, + const struct batadv_priv *bat_priv) { int hop_penalty = atomic_read(&bat_priv->hop_penalty); - return (tq * (TQ_MAX_VALUE - hop_penalty)) / (TQ_MAX_VALUE); + int new_tq; + + new_tq = tq * (BATADV_TQ_MAX_VALUE - hop_penalty); + new_tq /= BATADV_TQ_MAX_VALUE; + + return new_tq; } /* is there another aggregated packet here? */ @@ -139,88 +149,88 @@ static int batadv_iv_ogm_aggr_packet(int buff_pos, int packet_len, { int next_buff_pos = 0; - next_buff_pos += buff_pos + BATMAN_OGM_HLEN; + next_buff_pos += buff_pos + BATADV_OGM_HLEN; next_buff_pos += batadv_tt_len(tt_num_changes); return (next_buff_pos <= packet_len) && - (next_buff_pos <= MAX_AGGREGATION_BYTES); + (next_buff_pos <= BATADV_MAX_AGGREGATION_BYTES); } /* send a batman ogm to a given interface */ -static void batadv_iv_ogm_send_to_if(struct forw_packet *forw_packet, - struct hard_iface *hard_iface) +static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet, + struct batadv_hard_iface *hard_iface) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); char *fwd_str; uint8_t packet_num; int16_t buff_pos; - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_ogm_packet *batadv_ogm_packet; struct sk_buff *skb; - if (hard_iface->if_status != IF_ACTIVE) + if (hard_iface->if_status != BATADV_IF_ACTIVE) return; packet_num = 0; buff_pos = 0; - batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data; + batadv_ogm_packet = (struct batadv_ogm_packet *)forw_packet->skb->data; /* adjust all flags and log packets */ while (batadv_iv_ogm_aggr_packet(buff_pos, forw_packet->packet_len, - batman_ogm_packet->tt_num_changes)) { + batadv_ogm_packet->tt_num_changes)) { /* we might have aggregated direct link packets with an * ordinary base packet */ if ((forw_packet->direct_link_flags & (1 << packet_num)) && (forw_packet->if_incoming == hard_iface)) - batman_ogm_packet->flags |= DIRECTLINK; + batadv_ogm_packet->flags |= BATADV_DIRECTLINK; else - batman_ogm_packet->flags &= ~DIRECTLINK; + batadv_ogm_packet->flags &= ~BATADV_DIRECTLINK; fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ? "Sending own" : "Forwarding")); - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "%s %spacket (originator %pM, seqno %u, TQ %d, TTL %d, IDF %s, ttvn %d) on interface %s [%pM]\n", fwd_str, (packet_num > 0 ? "aggregated " : ""), - batman_ogm_packet->orig, - ntohl(batman_ogm_packet->seqno), - batman_ogm_packet->tq, batman_ogm_packet->header.ttl, - (batman_ogm_packet->flags & DIRECTLINK ? + batadv_ogm_packet->orig, + ntohl(batadv_ogm_packet->seqno), + batadv_ogm_packet->tq, batadv_ogm_packet->header.ttl, + (batadv_ogm_packet->flags & BATADV_DIRECTLINK ? "on" : "off"), - batman_ogm_packet->ttvn, hard_iface->net_dev->name, + batadv_ogm_packet->ttvn, hard_iface->net_dev->name, hard_iface->net_dev->dev_addr); - buff_pos += BATMAN_OGM_HLEN; - buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes); + buff_pos += BATADV_OGM_HLEN; + buff_pos += batadv_tt_len(batadv_ogm_packet->tt_num_changes); packet_num++; - batman_ogm_packet = (struct batman_ogm_packet *) + batadv_ogm_packet = (struct batadv_ogm_packet *) (forw_packet->skb->data + buff_pos); } /* create clone because function is called more than once */ skb = skb_clone(forw_packet->skb, GFP_ATOMIC); if (skb) { - batadv_inc_counter(bat_priv, BAT_CNT_MGMT_TX); - batadv_add_counter(bat_priv, BAT_CNT_MGMT_TX_BYTES, + batadv_inc_counter(bat_priv, BATADV_CNT_MGMT_TX); + batadv_add_counter(bat_priv, BATADV_CNT_MGMT_TX_BYTES, skb->len + ETH_HLEN); batadv_send_skb_packet(skb, hard_iface, batadv_broadcast_addr); } } /* send a batman ogm packet */ -static void batadv_iv_ogm_emit(struct forw_packet *forw_packet) +static void batadv_iv_ogm_emit(struct batadv_forw_packet *forw_packet) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; struct net_device *soft_iface; - struct bat_priv *bat_priv; - struct hard_iface *primary_if = NULL; - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_priv *bat_priv; + struct batadv_hard_iface *primary_if = NULL; + struct batadv_ogm_packet *batadv_ogm_packet; unsigned char directlink; - batman_ogm_packet = (struct batman_ogm_packet *) + batadv_ogm_packet = (struct batadv_ogm_packet *) (forw_packet->skb->data); - directlink = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0); + directlink = (batadv_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0); if (!forw_packet->if_incoming) { pr_err("Error - can't forward packet: incoming iface not specified\n"); @@ -230,7 +240,7 @@ static void batadv_iv_ogm_emit(struct forw_packet *forw_packet) soft_iface = forw_packet->if_incoming->soft_iface; bat_priv = netdev_priv(soft_iface); - if (forw_packet->if_incoming->if_status != IF_ACTIVE) + if (forw_packet->if_incoming->if_status != BATADV_IF_ACTIVE) goto out; primary_if = batadv_primary_if_get_selected(bat_priv); @@ -240,16 +250,16 @@ static void batadv_iv_ogm_emit(struct forw_packet *forw_packet) /* multihomed peer assumed * non-primary OGMs are only broadcasted on their interface */ - if ((directlink && (batman_ogm_packet->header.ttl == 1)) || + if ((directlink && (batadv_ogm_packet->header.ttl == 1)) || (forw_packet->own && (forw_packet->if_incoming != primary_if))) { /* FIXME: what about aggregated packets ? */ - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "%s packet (originator %pM, seqno %u, TTL %d) on interface %s [%pM]\n", (forw_packet->own ? "Sending own" : "Forwarding"), - batman_ogm_packet->orig, - ntohl(batman_ogm_packet->seqno), - batman_ogm_packet->header.ttl, + batadv_ogm_packet->orig, + ntohl(batadv_ogm_packet->seqno), + batadv_ogm_packet->header.ttl, forw_packet->if_incoming->net_dev->name, forw_packet->if_incoming->net_dev->dev_addr); @@ -279,19 +289,22 @@ out: /* return true if new_packet can be aggregated with forw_packet */ static bool -batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet, - struct bat_priv *bat_priv, +batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet, + struct batadv_priv *bat_priv, int packet_len, unsigned long send_time, bool directlink, - const struct hard_iface *if_incoming, - const struct forw_packet *forw_packet) + const struct batadv_hard_iface *if_incoming, + const struct batadv_forw_packet *forw_packet) { - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_ogm_packet *batadv_ogm_packet; int aggregated_bytes = forw_packet->packet_len + packet_len; - struct hard_iface *primary_if = NULL; + struct batadv_hard_iface *primary_if = NULL; bool res = false; + unsigned long aggregation_end_time; - batman_ogm_packet = (struct batman_ogm_packet *)forw_packet->skb->data; + batadv_ogm_packet = (struct batadv_ogm_packet *)forw_packet->skb->data; + aggregation_end_time = send_time; + aggregation_end_time += msecs_to_jiffies(BATADV_MAX_AGGREGATION_MS); /* we can aggregate the current packet to this aggregated packet * if: @@ -301,9 +314,8 @@ batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet, * MAX_AGGREGATION_BYTES */ if (time_before(send_time, forw_packet->send_time) && - time_after_eq(send_time + msecs_to_jiffies(MAX_AGGREGATION_MS), - forw_packet->send_time) && - (aggregated_bytes <= MAX_AGGREGATION_BYTES)) { + time_after_eq(aggregation_end_time, forw_packet->send_time) && + (aggregated_bytes <= BATADV_MAX_AGGREGATION_BYTES)) { /* check aggregation compatibility * -> direct link packets are broadcasted on @@ -320,8 +332,8 @@ batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet, * are flooded through the net */ if ((!directlink) && - (!(batman_ogm_packet->flags & DIRECTLINK)) && - (batman_ogm_packet->header.ttl != 1) && + (!(batadv_ogm_packet->flags & BATADV_DIRECTLINK)) && + (batadv_ogm_packet->header.ttl != 1) && /* own packets originating non-primary * interfaces leave only that interface @@ -343,7 +355,7 @@ batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet, * own secondary interface packets * (= secondary interface packets in general) */ - (batman_ogm_packet->flags & DIRECTLINK || + (batadv_ogm_packet->flags & BATADV_DIRECTLINK || (forw_packet->own && forw_packet->if_incoming != primary_if))) { res = true; @@ -361,20 +373,21 @@ out: static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, int packet_len, unsigned long send_time, bool direct_link, - struct hard_iface *if_incoming, + struct batadv_hard_iface *if_incoming, int own_packet) { - struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); - struct forw_packet *forw_packet_aggr; + struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct batadv_forw_packet *forw_packet_aggr; unsigned char *skb_buff; + unsigned int skb_size; if (!atomic_inc_not_zero(&if_incoming->refcount)) return; /* own packet should always be scheduled */ if (!own_packet) { - if (!atomic_dec_not_zero(&bat_priv->batman_queue_left)) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (!batadv_atomic_dec_not_zero(&bat_priv->batman_queue_left)) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "batman packet queue full\n"); goto out; } @@ -388,12 +401,12 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, } if ((atomic_read(&bat_priv->aggregated_ogms)) && - (packet_len < MAX_AGGREGATION_BYTES)) - forw_packet_aggr->skb = dev_alloc_skb(MAX_AGGREGATION_BYTES + - ETH_HLEN); + (packet_len < BATADV_MAX_AGGREGATION_BYTES)) + skb_size = BATADV_MAX_AGGREGATION_BYTES + ETH_HLEN; else - forw_packet_aggr->skb = dev_alloc_skb(packet_len + ETH_HLEN); + skb_size = packet_len + ETH_HLEN; + forw_packet_aggr->skb = dev_alloc_skb(skb_size); if (!forw_packet_aggr->skb) { if (!own_packet) atomic_inc(&bat_priv->batman_queue_left); @@ -411,7 +424,7 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, forw_packet_aggr->own = own_packet; forw_packet_aggr->if_incoming = if_incoming; forw_packet_aggr->num_packets = 0; - forw_packet_aggr->direct_link_flags = NO_FLAGS; + forw_packet_aggr->direct_link_flags = BATADV_NO_FLAGS; forw_packet_aggr->send_time = send_time; /* save packet direct link flag status */ @@ -436,7 +449,7 @@ out: } /* aggregate a new packet into the existing ogm packet */ -static void batadv_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr, +static void batadv_iv_ogm_aggregate(struct batadv_forw_packet *forw_packet_aggr, const unsigned char *packet_buff, int packet_len, bool direct_link) { @@ -453,22 +466,25 @@ static void batadv_iv_ogm_aggregate(struct forw_packet *forw_packet_aggr, (1 << forw_packet_aggr->num_packets); } -static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv, +static void batadv_iv_ogm_queue_add(struct batadv_priv *bat_priv, unsigned char *packet_buff, int packet_len, - struct hard_iface *if_incoming, + struct batadv_hard_iface *if_incoming, int own_packet, unsigned long send_time) { /* _aggr -> pointer to the packet we want to aggregate with * _pos -> pointer to the position in the queue */ - struct forw_packet *forw_packet_aggr = NULL, *forw_packet_pos = NULL; + struct batadv_forw_packet *forw_packet_aggr = NULL; + struct batadv_forw_packet *forw_packet_pos = NULL; struct hlist_node *tmp_node; - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_ogm_packet *batadv_ogm_packet; bool direct_link; + unsigned long max_aggregation_jiffies; - batman_ogm_packet = (struct batman_ogm_packet *)packet_buff; - direct_link = batman_ogm_packet->flags & DIRECTLINK ? 1 : 0; + batadv_ogm_packet = (struct batadv_ogm_packet *)packet_buff; + direct_link = batadv_ogm_packet->flags & BATADV_DIRECTLINK ? 1 : 0; + max_aggregation_jiffies = msecs_to_jiffies(BATADV_MAX_AGGREGATION_MS); /* find position for the packet in the forward queue */ spin_lock_bh(&bat_priv->forw_bat_list_lock); @@ -476,7 +492,7 @@ static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv, if ((atomic_read(&bat_priv->aggregated_ogms)) && (!own_packet)) { hlist_for_each_entry(forw_packet_pos, tmp_node, &bat_priv->forw_bat_list, list) { - if (batadv_iv_ogm_can_aggregate(batman_ogm_packet, + if (batadv_iv_ogm_can_aggregate(batadv_ogm_packet, bat_priv, packet_len, send_time, direct_link, if_incoming, @@ -498,9 +514,8 @@ static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv, * we hold it back for a while, so that it might be aggregated * later on */ - if ((!own_packet) && - (atomic_read(&bat_priv->aggregated_ogms))) - send_time += msecs_to_jiffies(MAX_AGGREGATION_MS); + if (!own_packet && atomic_read(&bat_priv->aggregated_ogms)) + send_time += max_aggregation_jiffies; batadv_iv_ogm_aggregate_new(packet_buff, packet_len, send_time, direct_link, @@ -512,18 +527,18 @@ static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv, } } -static void batadv_iv_ogm_forward(struct orig_node *orig_node, +static void batadv_iv_ogm_forward(struct batadv_orig_node *orig_node, const struct ethhdr *ethhdr, - struct batman_ogm_packet *batman_ogm_packet, + struct batadv_ogm_packet *batadv_ogm_packet, bool is_single_hop_neigh, bool is_from_best_next_hop, - struct hard_iface *if_incoming) + struct batadv_hard_iface *if_incoming) { - struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); uint8_t tt_num_changes; - if (batman_ogm_packet->header.ttl <= 1) { - batadv_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n"); + if (batadv_ogm_packet->header.ttl <= 1) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "ttl exceeded\n"); return; } @@ -535,41 +550,41 @@ static void batadv_iv_ogm_forward(struct orig_node *orig_node, * simply drop the ogm. */ if (is_single_hop_neigh) - batman_ogm_packet->flags |= NOT_BEST_NEXT_HOP; + batadv_ogm_packet->flags |= BATADV_NOT_BEST_NEXT_HOP; else return; } - tt_num_changes = batman_ogm_packet->tt_num_changes; + tt_num_changes = batadv_ogm_packet->tt_num_changes; - batman_ogm_packet->header.ttl--; - memcpy(batman_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN); + batadv_ogm_packet->header.ttl--; + memcpy(batadv_ogm_packet->prev_sender, ethhdr->h_source, ETH_ALEN); /* apply hop penalty */ - batman_ogm_packet->tq = batadv_hop_penalty(batman_ogm_packet->tq, + batadv_ogm_packet->tq = batadv_hop_penalty(batadv_ogm_packet->tq, bat_priv); - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Forwarding packet: tq: %i, ttl: %i\n", - batman_ogm_packet->tq, batman_ogm_packet->header.ttl); + batadv_ogm_packet->tq, batadv_ogm_packet->header.ttl); /* switch of primaries first hop flag when forwarding */ - batman_ogm_packet->flags &= ~PRIMARIES_FIRST_HOP; + batadv_ogm_packet->flags &= ~BATADV_PRIMARIES_FIRST_HOP; if (is_single_hop_neigh) - batman_ogm_packet->flags |= DIRECTLINK; + batadv_ogm_packet->flags |= BATADV_DIRECTLINK; else - batman_ogm_packet->flags &= ~DIRECTLINK; + batadv_ogm_packet->flags &= ~BATADV_DIRECTLINK; - batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet, - BATMAN_OGM_HLEN + batadv_tt_len(tt_num_changes), + batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batadv_ogm_packet, + BATADV_OGM_HLEN + batadv_tt_len(tt_num_changes), if_incoming, 0, batadv_iv_ogm_fwd_send_time()); } -static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface) +static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct batman_ogm_packet *batman_ogm_packet; - struct hard_iface *primary_if; + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_ogm_packet *batadv_ogm_packet; + struct batadv_hard_iface *primary_if; int vis_server, tt_num_changes = 0; vis_server = atomic_read(&bat_priv->vis_mode); @@ -579,31 +594,31 @@ static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface) tt_num_changes = batadv_tt_append_diff(bat_priv, &hard_iface->packet_buff, &hard_iface->packet_len, - BATMAN_OGM_HLEN); + BATADV_OGM_HLEN); - batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; + batadv_ogm_packet = (struct batadv_ogm_packet *)hard_iface->packet_buff; /* change sequence number to network order */ - batman_ogm_packet->seqno = + batadv_ogm_packet->seqno = htonl((uint32_t)atomic_read(&hard_iface->seqno)); atomic_inc(&hard_iface->seqno); - batman_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn); - batman_ogm_packet->tt_crc = htons(bat_priv->tt_crc); + batadv_ogm_packet->ttvn = atomic_read(&bat_priv->ttvn); + batadv_ogm_packet->tt_crc = htons(bat_priv->tt_crc); if (tt_num_changes >= 0) - batman_ogm_packet->tt_num_changes = tt_num_changes; + batadv_ogm_packet->tt_num_changes = tt_num_changes; - if (vis_server == VIS_TYPE_SERVER_SYNC) - batman_ogm_packet->flags |= VIS_SERVER; + if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC) + batadv_ogm_packet->flags |= BATADV_VIS_SERVER; else - batman_ogm_packet->flags &= ~VIS_SERVER; + batadv_ogm_packet->flags &= ~BATADV_VIS_SERVER; if ((hard_iface == primary_if) && - (atomic_read(&bat_priv->gw_mode) == GW_MODE_SERVER)) - batman_ogm_packet->gw_flags = + (atomic_read(&bat_priv->gw_mode) == BATADV_GW_MODE_SERVER)) + batadv_ogm_packet->gw_flags = (uint8_t)atomic_read(&bat_priv->gw_bandwidth); else - batman_ogm_packet->gw_flags = NO_FLAGS; + batadv_ogm_packet->gw_flags = BATADV_NO_FLAGS; batadv_slide_own_bcast_window(hard_iface); batadv_iv_ogm_queue_add(bat_priv, hard_iface->packet_buff, @@ -615,22 +630,22 @@ static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface) } static void -batadv_iv_ogm_orig_update(struct bat_priv *bat_priv, - struct orig_node *orig_node, +batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const struct ethhdr *ethhdr, - const struct batman_ogm_packet *batman_ogm_packet, - struct hard_iface *if_incoming, + const struct batadv_ogm_packet *batadv_ogm_packet, + struct batadv_hard_iface *if_incoming, const unsigned char *tt_buff, int is_duplicate) { - struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL; - struct neigh_node *router = NULL; - struct orig_node *orig_node_tmp; + struct batadv_neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL; + struct batadv_neigh_node *router = NULL; + struct batadv_orig_node *orig_node_tmp; struct hlist_node *node; uint8_t bcast_own_sum_orig, bcast_own_sum_neigh; uint8_t *neigh_addr; - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "update_originator(): Searching and updating originator entry of received packet\n"); rcu_read_lock(); @@ -658,7 +673,7 @@ batadv_iv_ogm_orig_update(struct bat_priv *bat_priv, } if (!neigh_node) { - struct orig_node *orig_tmp; + struct batadv_orig_node *orig_tmp; orig_tmp = batadv_get_orig_node(bat_priv, ethhdr->h_source); if (!orig_tmp) @@ -667,30 +682,30 @@ batadv_iv_ogm_orig_update(struct bat_priv *bat_priv, neigh_node = batadv_iv_ogm_neigh_new(if_incoming, ethhdr->h_source, orig_node, orig_tmp, - batman_ogm_packet->seqno); + batadv_ogm_packet->seqno); batadv_orig_node_free_ref(orig_tmp); if (!neigh_node) goto unlock; } else - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Updating existing last-hop neighbor of originator\n"); rcu_read_unlock(); - orig_node->flags = batman_ogm_packet->flags; + orig_node->flags = batadv_ogm_packet->flags; neigh_node->last_seen = jiffies; spin_lock_bh(&neigh_node->lq_update_lock); batadv_ring_buffer_set(neigh_node->tq_recv, &neigh_node->tq_index, - batman_ogm_packet->tq); + batadv_ogm_packet->tq); neigh_node->tq_avg = batadv_ring_buffer_avg(neigh_node->tq_recv); spin_unlock_bh(&neigh_node->lq_update_lock); if (!is_duplicate) { - orig_node->last_ttl = batman_ogm_packet->header.ttl; - neigh_node->last_ttl = batman_ogm_packet->header.ttl; + orig_node->last_ttl = batadv_ogm_packet->header.ttl; + neigh_node->last_ttl = batadv_ogm_packet->header.ttl; } batadv_bonding_candidate_add(orig_node, neigh_node); @@ -732,23 +747,23 @@ update_tt: /* I have to check for transtable changes only if the OGM has been * sent through a primary interface */ - if (((batman_ogm_packet->orig != ethhdr->h_source) && - (batman_ogm_packet->header.ttl > 2)) || - (batman_ogm_packet->flags & PRIMARIES_FIRST_HOP)) + if (((batadv_ogm_packet->orig != ethhdr->h_source) && + (batadv_ogm_packet->header.ttl > 2)) || + (batadv_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP)) batadv_tt_update_orig(bat_priv, orig_node, tt_buff, - batman_ogm_packet->tt_num_changes, - batman_ogm_packet->ttvn, - ntohs(batman_ogm_packet->tt_crc)); + batadv_ogm_packet->tt_num_changes, + batadv_ogm_packet->ttvn, + ntohs(batadv_ogm_packet->tt_crc)); - if (orig_node->gw_flags != batman_ogm_packet->gw_flags) + if (orig_node->gw_flags != batadv_ogm_packet->gw_flags) batadv_gw_node_update(bat_priv, orig_node, - batman_ogm_packet->gw_flags); + batadv_ogm_packet->gw_flags); - orig_node->gw_flags = batman_ogm_packet->gw_flags; + orig_node->gw_flags = batadv_ogm_packet->gw_flags; /* restart gateway selection if fast or late switching was enabled */ if ((orig_node->gw_flags) && - (atomic_read(&bat_priv->gw_mode) == GW_MODE_CLIENT) && + (atomic_read(&bat_priv->gw_mode) == BATADV_GW_MODE_CLIENT) && (atomic_read(&bat_priv->gw_sel_class) > 2)) batadv_gw_check_election(bat_priv, orig_node); @@ -763,17 +778,19 @@ out: batadv_neigh_node_free_ref(router); } -static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node, - struct orig_node *orig_neigh_node, - struct batman_ogm_packet *batman_ogm_packet, - struct hard_iface *if_incoming) +static int batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, + struct batadv_orig_node *orig_neigh_node, + struct batadv_ogm_packet *batadv_ogm_packet, + struct batadv_hard_iface *if_incoming) { - struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); - struct neigh_node *neigh_node = NULL, *tmp_neigh_node; + struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct batadv_neigh_node *neigh_node = NULL, *tmp_neigh_node; struct hlist_node *node; uint8_t total_count; - uint8_t orig_eq_count, neigh_rq_count, tq_own; - int tq_asym_penalty, ret = 0; + uint8_t orig_eq_count, neigh_rq_count, neigh_rq_inv, tq_own; + unsigned int neigh_rq_inv_cube, neigh_rq_max_cube; + int tq_asym_penalty, inv_asym_penalty, ret = 0; + unsigned int combined_tq; /* find corresponding one hop neighbor */ rcu_read_lock(); @@ -800,7 +817,7 @@ static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node, orig_neigh_node->orig, orig_neigh_node, orig_neigh_node, - batman_ogm_packet->seqno); + batadv_ogm_packet->seqno); if (!neigh_node) goto out; @@ -824,43 +841,44 @@ static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node, /* if we have too few packets (too less data) we set tq_own to zero * if we receive too few packets it is not considered bidirectional */ - if ((total_count < TQ_LOCAL_BIDRECT_SEND_MINIMUM) || - (neigh_rq_count < TQ_LOCAL_BIDRECT_RECV_MINIMUM)) + if (total_count < BATADV_TQ_LOCAL_BIDRECT_SEND_MINIMUM || + neigh_rq_count < BATADV_TQ_LOCAL_BIDRECT_RECV_MINIMUM) tq_own = 0; else /* neigh_node->real_packet_count is never zero as we * only purge old information when getting new * information */ - tq_own = (TQ_MAX_VALUE * total_count) / neigh_rq_count; + tq_own = (BATADV_TQ_MAX_VALUE * total_count) / neigh_rq_count; /* 1 - ((1-x) ** 3), normalized to TQ_MAX_VALUE this does * affect the nearly-symmetric links only a little, but * punishes asymmetric links more. This will give a value * between 0 and TQ_MAX_VALUE */ - tq_asym_penalty = TQ_MAX_VALUE - (TQ_MAX_VALUE * - (TQ_LOCAL_WINDOW_SIZE - neigh_rq_count) * - (TQ_LOCAL_WINDOW_SIZE - neigh_rq_count) * - (TQ_LOCAL_WINDOW_SIZE - neigh_rq_count)) / - (TQ_LOCAL_WINDOW_SIZE * - TQ_LOCAL_WINDOW_SIZE * - TQ_LOCAL_WINDOW_SIZE); - - batman_ogm_packet->tq = ((batman_ogm_packet->tq * tq_own - * tq_asym_penalty) / - (TQ_MAX_VALUE * TQ_MAX_VALUE)); - - batadv_dbg(DBG_BATMAN, bat_priv, + neigh_rq_inv = BATADV_TQ_LOCAL_WINDOW_SIZE - neigh_rq_count; + neigh_rq_inv_cube = neigh_rq_inv * neigh_rq_inv * neigh_rq_inv; + neigh_rq_max_cube = BATADV_TQ_LOCAL_WINDOW_SIZE * + BATADV_TQ_LOCAL_WINDOW_SIZE * + BATADV_TQ_LOCAL_WINDOW_SIZE; + inv_asym_penalty = BATADV_TQ_MAX_VALUE * neigh_rq_inv_cube; + inv_asym_penalty /= neigh_rq_max_cube; + tq_asym_penalty = BATADV_TQ_MAX_VALUE - inv_asym_penalty; + + combined_tq = batadv_ogm_packet->tq * tq_own * tq_asym_penalty; + combined_tq /= BATADV_TQ_MAX_VALUE * BATADV_TQ_MAX_VALUE; + batadv_ogm_packet->tq = combined_tq; + + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i\n", orig_node->orig, orig_neigh_node->orig, total_count, neigh_rq_count, tq_own, - tq_asym_penalty, batman_ogm_packet->tq); + tq_asym_penalty, batadv_ogm_packet->tq); /* if link has the minimum required transmission quality * consider it bidirectional */ - if (batman_ogm_packet->tq >= TQ_TOTAL_BIDRECT_LIMIT) + if (batadv_ogm_packet->tq >= BATADV_TQ_TOTAL_BIDRECT_LIMIT) ret = 1; out: @@ -879,21 +897,21 @@ out: */ static int batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, - const struct batman_ogm_packet *batman_ogm_packet, - const struct hard_iface *if_incoming) + const struct batadv_ogm_packet *batadv_ogm_packet, + const struct batadv_hard_iface *if_incoming) { - struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); - struct orig_node *orig_node; - struct neigh_node *tmp_neigh_node; + struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *tmp_neigh_node; struct hlist_node *node; int is_duplicate = 0; int32_t seq_diff; int need_update = 0; int set_mark, ret = -1; - uint32_t seqno = ntohl(batman_ogm_packet->seqno); + uint32_t seqno = ntohl(batadv_ogm_packet->seqno); uint8_t *neigh_addr; - orig_node = batadv_get_orig_node(bat_priv, batman_ogm_packet->orig); + orig_node = batadv_get_orig_node(bat_priv, batadv_ogm_packet->orig); if (!orig_node) return 0; @@ -928,12 +946,12 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr, tmp_neigh_node->real_packet_count = bitmap_weight(tmp_neigh_node->real_bits, - TQ_LOCAL_WINDOW_SIZE); + BATADV_TQ_LOCAL_WINDOW_SIZE); } rcu_read_unlock(); if (need_update) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "updating last_seqno: old %u, new %u\n", orig_node->last_real_seqno, seqno); orig_node->last_real_seqno = seqno; @@ -948,15 +966,15 @@ out: } static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, - struct batman_ogm_packet *batman_ogm_packet, + struct batadv_ogm_packet *batadv_ogm_packet, const unsigned char *tt_buff, - struct hard_iface *if_incoming) + struct batadv_hard_iface *if_incoming) { - struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); - struct hard_iface *hard_iface; - struct orig_node *orig_neigh_node, *orig_node; - struct neigh_node *router = NULL, *router_router = NULL; - struct neigh_node *orig_neigh_router = NULL; + struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct batadv_hard_iface *hard_iface; + struct batadv_orig_node *orig_neigh_node, *orig_node; + struct batadv_neigh_node *router = NULL, *router_router = NULL; + struct batadv_neigh_node *orig_neigh_router = NULL; int has_directlink_flag; int is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0; int is_broadcast = 0, is_bidirect; @@ -974,35 +992,38 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, * it as an additional length. * * TODO: A more sane solution would be to have a bit in the - * batman_ogm_packet to detect whether the packet is the last + * batadv_ogm_packet to detect whether the packet is the last * packet in an aggregation. Here we expect that the padding * is always zero (or not 0x01) */ - if (batman_ogm_packet->header.packet_type != BAT_IV_OGM) + if (batadv_ogm_packet->header.packet_type != BATADV_IV_OGM) return; /* could be changed by schedule_own_packet() */ if_incoming_seqno = atomic_read(&if_incoming->seqno); - has_directlink_flag = (batman_ogm_packet->flags & DIRECTLINK ? 1 : 0); + if (batadv_ogm_packet->flags & BATADV_DIRECTLINK) + has_directlink_flag = 1; + else + has_directlink_flag = 0; - if (batadv_compare_eth(ethhdr->h_source, batman_ogm_packet->orig)) + if (batadv_compare_eth(ethhdr->h_source, batadv_ogm_packet->orig)) is_single_hop_neigh = true; - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Received BATMAN packet via NB: %pM, IF: %s [%pM] (from OG: %pM, via prev OG: %pM, seqno %u, ttvn %u, crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n", ethhdr->h_source, if_incoming->net_dev->name, - if_incoming->net_dev->dev_addr, batman_ogm_packet->orig, - batman_ogm_packet->prev_sender, - ntohl(batman_ogm_packet->seqno), batman_ogm_packet->ttvn, - ntohs(batman_ogm_packet->tt_crc), - batman_ogm_packet->tt_num_changes, batman_ogm_packet->tq, - batman_ogm_packet->header.ttl, - batman_ogm_packet->header.version, has_directlink_flag); + if_incoming->net_dev->dev_addr, batadv_ogm_packet->orig, + batadv_ogm_packet->prev_sender, + ntohl(batadv_ogm_packet->seqno), batadv_ogm_packet->ttvn, + ntohs(batadv_ogm_packet->tt_crc), + batadv_ogm_packet->tt_num_changes, batadv_ogm_packet->tq, + batadv_ogm_packet->header.ttl, + batadv_ogm_packet->header.version, has_directlink_flag); rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { - if (hard_iface->if_status != IF_ACTIVE) + if (hard_iface->if_status != BATADV_IF_ACTIVE) continue; if (hard_iface->soft_iface != if_incoming->soft_iface) @@ -1012,11 +1033,11 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, hard_iface->net_dev->dev_addr)) is_my_addr = 1; - if (batadv_compare_eth(batman_ogm_packet->orig, + if (batadv_compare_eth(batadv_ogm_packet->orig, hard_iface->net_dev->dev_addr)) is_my_orig = 1; - if (batadv_compare_eth(batman_ogm_packet->prev_sender, + if (batadv_compare_eth(batadv_ogm_packet->prev_sender, hard_iface->net_dev->dev_addr)) is_my_oldorig = 1; @@ -1025,22 +1046,22 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, } rcu_read_unlock(); - if (batman_ogm_packet->header.version != COMPAT_VERSION) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: incompatible batman version (%i)\n", - batman_ogm_packet->header.version); + batadv_ogm_packet->header.version); return; } if (is_my_addr) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: received my own broadcast (sender: %pM)\n", ethhdr->h_source); return; } if (is_broadcast) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: ignoring all packets with broadcast source addr (sender: %pM)\n", ethhdr->h_source); return; @@ -1050,6 +1071,8 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, unsigned long *word; int offset; int32_t bit_pos; + int16_t if_num; + uint8_t *weight; orig_neigh_node = batadv_get_orig_node(bat_priv, ethhdr->h_source); @@ -1062,55 +1085,57 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, */ if (has_directlink_flag && batadv_compare_eth(if_incoming->net_dev->dev_addr, - batman_ogm_packet->orig)) { - offset = if_incoming->if_num * NUM_WORDS; + batadv_ogm_packet->orig)) { + if_num = if_incoming->if_num; + offset = if_num * BATADV_NUM_WORDS; spin_lock_bh(&orig_neigh_node->ogm_cnt_lock); word = &(orig_neigh_node->bcast_own[offset]); bit_pos = if_incoming_seqno - 2; - bit_pos -= ntohl(batman_ogm_packet->seqno); + bit_pos -= ntohl(batadv_ogm_packet->seqno); batadv_set_bit(word, bit_pos); - orig_neigh_node->bcast_own_sum[if_incoming->if_num] = - bitmap_weight(word, TQ_LOCAL_WINDOW_SIZE); + weight = &orig_neigh_node->bcast_own_sum[if_num]; + *weight = bitmap_weight(word, + BATADV_TQ_LOCAL_WINDOW_SIZE); spin_unlock_bh(&orig_neigh_node->ogm_cnt_lock); } - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: originator packet from myself (via neighbor)\n"); batadv_orig_node_free_ref(orig_neigh_node); return; } if (is_my_oldorig) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: ignoring all rebroadcast echos (sender: %pM)\n", ethhdr->h_source); return; } - if (batman_ogm_packet->flags & NOT_BEST_NEXT_HOP) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (batadv_ogm_packet->flags & BATADV_NOT_BEST_NEXT_HOP) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: ignoring all packets not forwarded from the best next hop (sender: %pM)\n", ethhdr->h_source); return; } - orig_node = batadv_get_orig_node(bat_priv, batman_ogm_packet->orig); + orig_node = batadv_get_orig_node(bat_priv, batadv_ogm_packet->orig); if (!orig_node) return; - is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batman_ogm_packet, + is_duplicate = batadv_iv_ogm_update_seqnos(ethhdr, batadv_ogm_packet, if_incoming); if (is_duplicate == -1) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: packet within seqno protection time (sender: %pM)\n", ethhdr->h_source); goto out; } - if (batman_ogm_packet->tq == 0) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (batadv_ogm_packet->tq == 0) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: originator packet with tq equal 0\n"); goto out; } @@ -1123,13 +1148,13 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, (batadv_compare_eth(router->addr, ethhdr->h_source))) is_from_best_next_hop = true; - prev_sender = batman_ogm_packet->prev_sender; + prev_sender = batadv_ogm_packet->prev_sender; /* avoid temporary routing loops */ if (router && router_router && (batadv_compare_eth(router->addr, prev_sender)) && - !(batadv_compare_eth(batman_ogm_packet->orig, prev_sender)) && + !(batadv_compare_eth(batadv_ogm_packet->orig, prev_sender)) && (batadv_compare_eth(router->addr, router_router->addr))) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM)\n", ethhdr->h_source); goto out; @@ -1150,56 +1175,56 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, * don't route towards it */ if (!is_single_hop_neigh && (!orig_neigh_router)) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: OGM via unknown neighbor!\n"); goto out_neigh; } is_bidirect = batadv_iv_ogm_calc_tq(orig_node, orig_neigh_node, - batman_ogm_packet, if_incoming); + batadv_ogm_packet, if_incoming); batadv_bonding_save_primary(orig_node, orig_neigh_node, - batman_ogm_packet); + batadv_ogm_packet); /* update ranking if it is not a duplicate or has the same * seqno and similar ttl as the non-duplicate */ - sameseq = orig_node->last_real_seqno == ntohl(batman_ogm_packet->seqno); - simlar_ttl = orig_node->last_ttl - 3 <= batman_ogm_packet->header.ttl; + sameseq = orig_node->last_real_seqno == ntohl(batadv_ogm_packet->seqno); + simlar_ttl = orig_node->last_ttl - 3 <= batadv_ogm_packet->header.ttl; if (is_bidirect && (!is_duplicate || (sameseq && simlar_ttl))) batadv_iv_ogm_orig_update(bat_priv, orig_node, ethhdr, - batman_ogm_packet, if_incoming, + batadv_ogm_packet, if_incoming, tt_buff, is_duplicate); /* is single hop (direct) neighbor */ if (is_single_hop_neigh) { /* mark direct link on incoming interface */ - batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet, + batadv_iv_ogm_forward(orig_node, ethhdr, batadv_ogm_packet, is_single_hop_neigh, is_from_best_next_hop, if_incoming); - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Forwarding packet: rebroadcast neighbor packet with direct link flag\n"); goto out_neigh; } /* multihop originator */ if (!is_bidirect) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: not received via bidirectional link\n"); goto out_neigh; } if (is_duplicate) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: duplicate packet received\n"); goto out_neigh; } - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Forwarding packet: rebroadcast originator packet\n"); - batadv_iv_ogm_forward(orig_node, ethhdr, batman_ogm_packet, + batadv_iv_ogm_forward(orig_node, ethhdr, batadv_ogm_packet, is_single_hop_neigh, is_from_best_next_hop, if_incoming); @@ -1218,16 +1243,16 @@ out: } static int batadv_iv_ogm_receive(struct sk_buff *skb, - struct hard_iface *if_incoming) + struct batadv_hard_iface *if_incoming) { - struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); - struct batman_ogm_packet *batman_ogm_packet; + struct batadv_priv *bat_priv = netdev_priv(if_incoming->soft_iface); + struct batadv_ogm_packet *batadv_ogm_packet; struct ethhdr *ethhdr; int buff_pos = 0, packet_len; unsigned char *tt_buff, *packet_buff; bool ret; - ret = batadv_check_management_packet(skb, if_incoming, BATMAN_OGM_HLEN); + ret = batadv_check_management_packet(skb, if_incoming, BATADV_OGM_HLEN); if (!ret) return NET_RX_DROP; @@ -1237,35 +1262,35 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb, if (bat_priv->bat_algo_ops->bat_ogm_emit != batadv_iv_ogm_emit) return NET_RX_DROP; - batadv_inc_counter(bat_priv, BAT_CNT_MGMT_RX); - batadv_add_counter(bat_priv, BAT_CNT_MGMT_RX_BYTES, + batadv_inc_counter(bat_priv, BATADV_CNT_MGMT_RX); + batadv_add_counter(bat_priv, BATADV_CNT_MGMT_RX_BYTES, skb->len + ETH_HLEN); packet_len = skb_headlen(skb); ethhdr = (struct ethhdr *)skb_mac_header(skb); packet_buff = skb->data; - batman_ogm_packet = (struct batman_ogm_packet *)packet_buff; + batadv_ogm_packet = (struct batadv_ogm_packet *)packet_buff; /* unpack the aggregated packets and process them one by one */ do { - tt_buff = packet_buff + buff_pos + BATMAN_OGM_HLEN; + tt_buff = packet_buff + buff_pos + BATADV_OGM_HLEN; - batadv_iv_ogm_process(ethhdr, batman_ogm_packet, tt_buff, + batadv_iv_ogm_process(ethhdr, batadv_ogm_packet, tt_buff, if_incoming); - buff_pos += BATMAN_OGM_HLEN; - buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes); + buff_pos += BATADV_OGM_HLEN; + buff_pos += batadv_tt_len(batadv_ogm_packet->tt_num_changes); - batman_ogm_packet = (struct batman_ogm_packet *) + batadv_ogm_packet = (struct batadv_ogm_packet *) (packet_buff + buff_pos); } while (batadv_iv_ogm_aggr_packet(buff_pos, packet_len, - batman_ogm_packet->tt_num_changes)); + batadv_ogm_packet->tt_num_changes)); kfree_skb(skb); return NET_RX_SUCCESS; } -static struct bat_algo_ops batadv_batman_iv __read_mostly = { +static struct batadv_algo_ops batadv_batman_iv __read_mostly = { .name = "BATMAN_IV", .bat_iface_enable = batadv_iv_ogm_iface_enable, .bat_iface_disable = batadv_iv_ogm_iface_disable, @@ -1280,7 +1305,8 @@ int __init batadv_iv_init(void) int ret; /* batman originator packet */ - ret = batadv_recv_handler_register(BAT_IV_OGM, batadv_iv_ogm_receive); + ret = batadv_recv_handler_register(BATADV_IV_OGM, + batadv_iv_ogm_receive); if (ret < 0) goto out; @@ -1291,7 +1317,7 @@ int __init batadv_iv_init(void) goto out; handler_unregister: - batadv_recv_handler_unregister(BAT_IV_OGM); + batadv_recv_handler_unregister(BATADV_IV_OGM); out: return ret; } diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c index e195b9e..aea174c 100644 --- a/net/batman-adv/bitarray.c +++ b/net/batman-adv/bitarray.c @@ -25,10 +25,10 @@ /* shift the packet array by n places. */ static void batadv_bitmap_shift_left(unsigned long *seq_bits, int32_t n) { - if (n <= 0 || n >= TQ_LOCAL_WINDOW_SIZE) + if (n <= 0 || n >= BATADV_TQ_LOCAL_WINDOW_SIZE) return; - bitmap_shift_left(seq_bits, seq_bits, n, TQ_LOCAL_WINDOW_SIZE); + bitmap_shift_left(seq_bits, seq_bits, n, BATADV_TQ_LOCAL_WINDOW_SIZE); } @@ -41,12 +41,12 @@ static void batadv_bitmap_shift_left(unsigned long *seq_bits, int32_t n) int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, int32_t seq_num_diff, int set_mark) { - struct bat_priv *bat_priv = priv; + struct batadv_priv *bat_priv = priv; /* sequence number is slightly older. We already got a sequence number * higher than this one, so we just mark it. */ - if ((seq_num_diff <= 0) && (seq_num_diff > -TQ_LOCAL_WINDOW_SIZE)) { + if (seq_num_diff <= 0 && seq_num_diff > -BATADV_TQ_LOCAL_WINDOW_SIZE) { if (set_mark) batadv_set_bit(seq_bits, -seq_num_diff); return 0; @@ -55,7 +55,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, /* sequence number is slightly newer, so we shift the window and * set the mark if required */ - if ((seq_num_diff > 0) && (seq_num_diff < TQ_LOCAL_WINDOW_SIZE)) { + if (seq_num_diff > 0 && seq_num_diff < BATADV_TQ_LOCAL_WINDOW_SIZE) { batadv_bitmap_shift_left(seq_bits, seq_num_diff); if (set_mark) @@ -64,12 +64,12 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, } /* sequence number is much newer, probably missed a lot of packets */ - if ((seq_num_diff >= TQ_LOCAL_WINDOW_SIZE) && - (seq_num_diff < EXPECTED_SEQNO_RANGE)) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (seq_num_diff >= BATADV_TQ_LOCAL_WINDOW_SIZE && + seq_num_diff < BATADV_EXPECTED_SEQNO_RANGE) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "We missed a lot of packets (%i) !\n", seq_num_diff - 1); - bitmap_zero(seq_bits, TQ_LOCAL_WINDOW_SIZE); + bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); if (set_mark) batadv_set_bit(seq_bits, 0); return 1; @@ -80,13 +80,13 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, * packet should be dropped without calling this function if the * seqno window is protected. */ - if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) || - (seq_num_diff >= EXPECTED_SEQNO_RANGE)) { + if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE || + seq_num_diff >= BATADV_EXPECTED_SEQNO_RANGE) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Other host probably restarted!\n"); - bitmap_zero(seq_bits, TQ_LOCAL_WINDOW_SIZE); + bitmap_zero(seq_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); if (set_mark) batadv_set_bit(seq_bits, 0); diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h index 7954ba8..a081ce1 100644 --- a/net/batman-adv/bitarray.h +++ b/net/batman-adv/bitarray.h @@ -29,7 +29,7 @@ static inline int batadv_test_bit(const unsigned long *seq_bits, int32_t diff; diff = last_seqno - curr_seqno; - if (diff < 0 || diff >= TQ_LOCAL_WINDOW_SIZE) + if (diff < 0 || diff >= BATADV_TQ_LOCAL_WINDOW_SIZE) return 0; else return test_bit(diff, seq_bits); @@ -39,7 +39,7 @@ static inline int batadv_test_bit(const unsigned long *seq_bits, static inline void batadv_set_bit(unsigned long *seq_bits, int32_t n) { /* if too old, just drop it */ - if (n < 0 || n >= TQ_LOCAL_WINDOW_SIZE) + if (n < 0 || n >= BATADV_TQ_LOCAL_WINDOW_SIZE) return; set_bit(n, seq_bits); /* turn the position on */ diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 0592d2b..49e10d9 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -34,8 +34,8 @@ static const uint8_t batadv_announce_mac[4] = {0x43, 0x05, 0x43, 0x05}; static void batadv_bla_periodic_work(struct work_struct *work); -static void batadv_bla_send_announce(struct bat_priv *bat_priv, - struct backbone_gw *backbone_gw); +static void batadv_bla_send_announce(struct batadv_priv *bat_priv, + struct batadv_backbone_gw *backbone_gw); /* return the index of the claim */ static inline uint32_t batadv_choose_claim(const void *data, uint32_t size) @@ -83,7 +83,7 @@ static inline uint32_t batadv_choose_backbone_gw(const void *data, static int batadv_compare_backbone_gw(const struct hlist_node *node, const void *data2) { - const void *data1 = container_of(node, struct backbone_gw, + const void *data1 = container_of(node, struct batadv_backbone_gw, hash_entry); return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0); @@ -93,14 +93,14 @@ static int batadv_compare_backbone_gw(const struct hlist_node *node, static int batadv_compare_claim(const struct hlist_node *node, const void *data2) { - const void *data1 = container_of(node, struct claim, + const void *data1 = container_of(node, struct batadv_claim, hash_entry); return (memcmp(data1, data2, ETH_ALEN + sizeof(short)) == 0 ? 1 : 0); } /* free a backbone gw */ -static void batadv_backbone_gw_free_ref(struct backbone_gw *backbone_gw) +static void batadv_backbone_gw_free_ref(struct batadv_backbone_gw *backbone_gw) { if (atomic_dec_and_test(&backbone_gw->refcount)) kfree_rcu(backbone_gw, rcu); @@ -109,16 +109,16 @@ static void batadv_backbone_gw_free_ref(struct backbone_gw *backbone_gw) /* finally deinitialize the claim */ static void batadv_claim_free_rcu(struct rcu_head *rcu) { - struct claim *claim; + struct batadv_claim *claim; - claim = container_of(rcu, struct claim, rcu); + claim = container_of(rcu, struct batadv_claim, rcu); batadv_backbone_gw_free_ref(claim->backbone_gw); kfree(claim); } /* free a claim, call claim_free_rcu if its the last reference */ -static void batadv_claim_free_ref(struct claim *claim) +static void batadv_claim_free_ref(struct batadv_claim *claim) { if (atomic_dec_and_test(&claim->refcount)) call_rcu(&claim->rcu, batadv_claim_free_rcu); @@ -130,14 +130,14 @@ static void batadv_claim_free_ref(struct claim *claim) * looks for a claim in the hash, and returns it if found * or NULL otherwise. */ -static struct claim *batadv_claim_hash_find(struct bat_priv *bat_priv, - struct claim *data) +static struct batadv_claim *batadv_claim_hash_find(struct batadv_priv *bat_priv, + struct batadv_claim *data) { - struct hashtable_t *hash = bat_priv->claim_hash; + struct batadv_hashtable *hash = bat_priv->claim_hash; struct hlist_head *head; struct hlist_node *node; - struct claim *claim; - struct claim *claim_tmp = NULL; + struct batadv_claim *claim; + struct batadv_claim *claim_tmp = NULL; int index; if (!hash) @@ -169,14 +169,15 @@ static struct claim *batadv_claim_hash_find(struct bat_priv *bat_priv, * looks for a claim in the hash, and returns it if found * or NULL otherwise. */ -static struct backbone_gw *batadv_backbone_hash_find(struct bat_priv *bat_priv, - uint8_t *addr, short vid) +static struct batadv_backbone_gw * +batadv_backbone_hash_find(struct batadv_priv *bat_priv, + uint8_t *addr, short vid) { - struct hashtable_t *hash = bat_priv->backbone_hash; + struct batadv_hashtable *hash = bat_priv->backbone_hash; struct hlist_head *head; struct hlist_node *node; - struct backbone_gw search_entry, *backbone_gw; - struct backbone_gw *backbone_gw_tmp = NULL; + struct batadv_backbone_gw search_entry, *backbone_gw; + struct batadv_backbone_gw *backbone_gw_tmp = NULL; int index; if (!hash) @@ -206,12 +207,13 @@ static struct backbone_gw *batadv_backbone_hash_find(struct bat_priv *bat_priv, } /* delete all claims for a backbone */ -static void batadv_bla_del_backbone_claims(struct backbone_gw *backbone_gw) +static void +batadv_bla_del_backbone_claims(struct batadv_backbone_gw *backbone_gw) { - struct hashtable_t *hash; + struct batadv_hashtable *hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; - struct claim *claim; + struct batadv_claim *claim; int i; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -237,7 +239,7 @@ static void batadv_bla_del_backbone_claims(struct backbone_gw *backbone_gw) } /* all claims gone, intialize CRC */ - backbone_gw->crc = BLA_CRC_INIT; + backbone_gw->crc = BATADV_BLA_CRC_INIT; } /* @bat_priv: the bat priv with all the soft interface information @@ -247,15 +249,15 @@ static void batadv_bla_del_backbone_claims(struct backbone_gw *backbone_gw) * * sends a claim frame according to the provided info. */ -static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac, +static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac, short vid, int claimtype) { struct sk_buff *skb; struct ethhdr *ethhdr; - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; struct net_device *soft_iface; uint8_t *hw_src; - struct bla_claim_dst local_claim_dest; + struct batadv_bla_claim_dst local_claim_dest; __be32 zeroip = 0; primary_if = batadv_primary_if_get_selected(bat_priv); @@ -292,39 +294,39 @@ static void batadv_bla_send_claim(struct bat_priv *bat_priv, uint8_t *mac, /* now we pretend that the client would have sent this ... */ switch (claimtype) { - case CLAIM_TYPE_ADD: + case BATADV_CLAIM_TYPE_ADD: /* normal claim frame * set Ethernet SRC to the clients mac */ memcpy(ethhdr->h_source, mac, ETH_ALEN); - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_send_claim(): CLAIM %pM on vid %d\n", mac, vid); break; - case CLAIM_TYPE_DEL: + case BATADV_CLAIM_TYPE_DEL: /* unclaim frame * set HW SRC to the clients mac */ memcpy(hw_src, mac, ETH_ALEN); - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_send_claim(): UNCLAIM %pM on vid %d\n", mac, vid); break; - case CLAIM_TYPE_ANNOUNCE: + case BATADV_CLAIM_TYPE_ANNOUNCE: /* announcement frame * set HW SRC to the special mac containg the crc */ memcpy(hw_src, mac, ETH_ALEN); - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_send_claim(): ANNOUNCE of %pM on vid %d\n", ethhdr->h_source, vid); break; - case CLAIM_TYPE_REQUEST: + case BATADV_CLAIM_TYPE_REQUEST: /* request frame * set HW SRC to the special mac containg the crc */ memcpy(hw_src, mac, ETH_ALEN); memcpy(ethhdr->h_dest, mac, ETH_ALEN); - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_send_claim(): REQUEST of %pM to %pMon vid %d\n", ethhdr->h_source, ethhdr->h_dest, vid); break; @@ -353,11 +355,12 @@ out: * searches for the backbone gw or creates a new one if it could not * be found. */ -static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv, - uint8_t *orig, short vid) +static struct batadv_backbone_gw * +batadv_bla_get_backbone_gw(struct batadv_priv *bat_priv, uint8_t *orig, + short vid) { - struct backbone_gw *entry; - struct orig_node *orig_node; + struct batadv_backbone_gw *entry; + struct batadv_orig_node *orig_node; int hash_added; entry = batadv_backbone_hash_find(bat_priv, orig, vid); @@ -365,7 +368,7 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv, if (entry) return entry; - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_get_backbone_gw(): not found (%pM, %d), creating new entry\n", orig, vid); @@ -375,7 +378,7 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv, entry->vid = vid; entry->lasttime = jiffies; - entry->crc = BLA_CRC_INIT; + entry->crc = BATADV_BLA_CRC_INIT; entry->bat_priv = bat_priv; atomic_set(&entry->request_sent, 0); memcpy(entry->orig, orig, ETH_ALEN); @@ -407,11 +410,12 @@ static struct backbone_gw *batadv_bla_get_backbone_gw(struct bat_priv *bat_priv, /* update or add the own backbone gw to make sure we announce * where we receive other backbone gws */ -static void batadv_bla_update_own_backbone_gw(struct bat_priv *bat_priv, - struct hard_iface *primary_if, - short vid) +static void +batadv_bla_update_own_backbone_gw(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, + short vid) { - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; backbone_gw = batadv_bla_get_backbone_gw(bat_priv, primary_if->net_dev->dev_addr, @@ -429,17 +433,18 @@ static void batadv_bla_update_own_backbone_gw(struct bat_priv *bat_priv, * Repeat all of our own claims, and finally send an ANNOUNCE frame * to allow the requester another check if the CRC is correct now. */ -static void batadv_bla_answer_request(struct bat_priv *bat_priv, - struct hard_iface *primary_if, short vid) +static void batadv_bla_answer_request(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, + short vid) { struct hlist_node *node; struct hlist_head *head; - struct hashtable_t *hash; - struct claim *claim; - struct backbone_gw *backbone_gw; + struct batadv_hashtable *hash; + struct batadv_claim *claim; + struct batadv_backbone_gw *backbone_gw; int i; - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_answer_request(): received a claim request, send all of our own claims again\n"); backbone_gw = batadv_backbone_hash_find(bat_priv, @@ -459,7 +464,7 @@ static void batadv_bla_answer_request(struct bat_priv *bat_priv, continue; batadv_bla_send_claim(bat_priv, claim->addr, claim->vid, - CLAIM_TYPE_ADD); + BATADV_CLAIM_TYPE_ADD); } rcu_read_unlock(); } @@ -475,17 +480,17 @@ static void batadv_bla_answer_request(struct bat_priv *bat_priv, * After the request, it will repeat all of his own claims and finally * send an announcement claim with which we can check again. */ -static void batadv_bla_send_request(struct backbone_gw *backbone_gw) +static void batadv_bla_send_request(struct batadv_backbone_gw *backbone_gw) { /* first, remove all old entries */ batadv_bla_del_backbone_claims(backbone_gw); - batadv_dbg(DBG_BLA, backbone_gw->bat_priv, "Sending REQUEST to %pM\n", - backbone_gw->orig); + batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv, + "Sending REQUEST to %pM\n", backbone_gw->orig); /* send request */ batadv_bla_send_claim(backbone_gw->bat_priv, backbone_gw->orig, - backbone_gw->vid, CLAIM_TYPE_REQUEST); + backbone_gw->vid, BATADV_CLAIM_TYPE_REQUEST); /* no local broadcasts should be sent or received, for now. */ if (!atomic_read(&backbone_gw->request_sent)) { @@ -500,8 +505,8 @@ static void batadv_bla_send_request(struct backbone_gw *backbone_gw) * This function sends an announcement. It is called from multiple * places. */ -static void batadv_bla_send_announce(struct bat_priv *bat_priv, - struct backbone_gw *backbone_gw) +static void batadv_bla_send_announce(struct batadv_priv *bat_priv, + struct batadv_backbone_gw *backbone_gw) { uint8_t mac[ETH_ALEN]; __be16 crc; @@ -511,7 +516,7 @@ static void batadv_bla_send_announce(struct bat_priv *bat_priv, memcpy(&mac[4], &crc, 2); batadv_bla_send_claim(bat_priv, mac, backbone_gw->vid, - CLAIM_TYPE_ANNOUNCE); + BATADV_CLAIM_TYPE_ANNOUNCE); } @@ -522,12 +527,12 @@ static void batadv_bla_send_announce(struct bat_priv *bat_priv, * * Adds a claim in the claim hash. */ -static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac, - const short vid, - struct backbone_gw *backbone_gw) +static void batadv_bla_add_claim(struct batadv_priv *bat_priv, + const uint8_t *mac, const short vid, + struct batadv_backbone_gw *backbone_gw) { - struct claim *claim; - struct claim search_claim; + struct batadv_claim *claim; + struct batadv_claim search_claim; int hash_added; memcpy(search_claim.addr, mac, ETH_ALEN); @@ -546,7 +551,7 @@ static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac, claim->backbone_gw = backbone_gw; atomic_set(&claim->refcount, 2); - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_add_claim(): adding new entry %pM, vid %d to hash ...\n", mac, vid); hash_added = batadv_hash_add(bat_priv->claim_hash, @@ -565,7 +570,7 @@ static void batadv_bla_add_claim(struct bat_priv *bat_priv, const uint8_t *mac, /* no need to register a new backbone */ goto claim_free_ref; - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_add_claim(): changing ownership for %pM, vid %d\n", mac, vid); @@ -588,10 +593,10 @@ claim_free_ref: /* Delete a claim from the claim hash which has the * given mac address and vid. */ -static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac, - const short vid) +static void batadv_bla_del_claim(struct batadv_priv *bat_priv, + const uint8_t *mac, const short vid) { - struct claim search_claim, *claim; + struct batadv_claim search_claim, *claim; memcpy(search_claim.addr, mac, ETH_ALEN); search_claim.vid = vid; @@ -599,8 +604,8 @@ static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac, if (!claim) return; - batadv_dbg(DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n", mac, - vid); + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_del_claim(): %pM, vid %d\n", + mac, vid); batadv_hash_remove(bat_priv->claim_hash, batadv_compare_claim, batadv_choose_claim, claim); @@ -613,11 +618,11 @@ static void batadv_bla_del_claim(struct bat_priv *bat_priv, const uint8_t *mac, } /* check for ANNOUNCE frame, return 1 if handled */ -static int batadv_handle_announce(struct bat_priv *bat_priv, +static int batadv_handle_announce(struct batadv_priv *bat_priv, uint8_t *an_addr, uint8_t *backbone_addr, short vid) { - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; uint16_t crc; if (memcmp(an_addr, batadv_announce_mac, 4) != 0) @@ -633,12 +638,12 @@ static int batadv_handle_announce(struct bat_priv *bat_priv, backbone_gw->lasttime = jiffies; crc = ntohs(*((__be16 *)(&an_addr[4]))); - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "handle_announce(): ANNOUNCE vid %d (sent by %pM)... CRC = %04x\n", vid, backbone_gw->orig, crc); if (backbone_gw->crc != crc) { - batadv_dbg(DBG_BLA, backbone_gw->bat_priv, + batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv, "handle_announce(): CRC FAILED for %pM/%d (my = %04x, sent = %04x)\n", backbone_gw->orig, backbone_gw->vid, backbone_gw->crc, crc); @@ -659,8 +664,8 @@ static int batadv_handle_announce(struct bat_priv *bat_priv, } /* check for REQUEST frame, return 1 if handled */ -static int batadv_handle_request(struct bat_priv *bat_priv, - struct hard_iface *primary_if, +static int batadv_handle_request(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, uint8_t *backbone_addr, struct ethhdr *ethhdr, short vid) { @@ -674,7 +679,7 @@ static int batadv_handle_request(struct bat_priv *bat_priv, if (!batadv_compare_eth(ethhdr->h_dest, primary_if->net_dev->dev_addr)) return 1; - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "handle_request(): REQUEST vid %d (sent by %pM)...\n", vid, ethhdr->h_source); @@ -683,18 +688,18 @@ static int batadv_handle_request(struct bat_priv *bat_priv, } /* check for UNCLAIM frame, return 1 if handled */ -static int batadv_handle_unclaim(struct bat_priv *bat_priv, - struct hard_iface *primary_if, +static int batadv_handle_unclaim(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, uint8_t *backbone_addr, uint8_t *claim_addr, short vid) { - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; /* unclaim in any case if it is our own */ if (primary_if && batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr)) batadv_bla_send_claim(bat_priv, claim_addr, vid, - CLAIM_TYPE_DEL); + BATADV_CLAIM_TYPE_DEL); backbone_gw = batadv_backbone_hash_find(bat_priv, backbone_addr, vid); @@ -702,7 +707,7 @@ static int batadv_handle_unclaim(struct bat_priv *bat_priv, return 1; /* this must be an UNCLAIM frame */ - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "handle_unclaim(): UNCLAIM %pM on vid %d (sent by %pM)...\n", claim_addr, vid, backbone_gw->orig); @@ -712,12 +717,12 @@ static int batadv_handle_unclaim(struct bat_priv *bat_priv, } /* check for CLAIM frame, return 1 if handled */ -static int batadv_handle_claim(struct bat_priv *bat_priv, - struct hard_iface *primary_if, +static int batadv_handle_claim(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, uint8_t *backbone_addr, uint8_t *claim_addr, short vid) { - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; /* register the gateway if not yet available, and add the claim. */ @@ -730,7 +735,7 @@ static int batadv_handle_claim(struct bat_priv *bat_priv, batadv_bla_add_claim(bat_priv, claim_addr, vid, backbone_gw); if (batadv_compare_eth(backbone_addr, primary_if->net_dev->dev_addr)) batadv_bla_send_claim(bat_priv, claim_addr, vid, - CLAIM_TYPE_ADD); + BATADV_CLAIM_TYPE_ADD); /* TODO: we could call something like tt_local_del() here. */ @@ -752,16 +757,16 @@ static int batadv_handle_claim(struct bat_priv *bat_priv, * 1 - if is a claim packet from another group * 0 - if it is not a claim packet */ -static int batadv_check_claim_group(struct bat_priv *bat_priv, - struct hard_iface *primary_if, +static int batadv_check_claim_group(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, uint8_t *hw_src, uint8_t *hw_dst, struct ethhdr *ethhdr) { uint8_t *backbone_addr; - struct orig_node *orig_node; - struct bla_claim_dst *bla_dst, *bla_dst_own; + struct batadv_orig_node *orig_node; + struct batadv_bla_claim_dst *bla_dst, *bla_dst_own; - bla_dst = (struct bla_claim_dst *)hw_dst; + bla_dst = (struct batadv_bla_claim_dst *)hw_dst; bla_dst_own = &bat_priv->claim_dest; /* check if it is a claim packet in general */ @@ -773,12 +778,12 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv, * otherwise assume it is in the hw_src */ switch (bla_dst->type) { - case CLAIM_TYPE_ADD: + case BATADV_CLAIM_TYPE_ADD: backbone_addr = hw_src; break; - case CLAIM_TYPE_REQUEST: - case CLAIM_TYPE_ANNOUNCE: - case CLAIM_TYPE_DEL: + case BATADV_CLAIM_TYPE_REQUEST: + case BATADV_CLAIM_TYPE_ANNOUNCE: + case BATADV_CLAIM_TYPE_DEL: backbone_addr = ethhdr->h_source; break; default: @@ -804,7 +809,7 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv, /* if our mesh friends mac is bigger, use it for ourselves. */ if (ntohs(bla_dst->group) > ntohs(bla_dst_own->group)) { - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "taking other backbones claim group: %04x\n", ntohs(bla_dst->group)); bla_dst_own->group = bla_dst->group; @@ -824,15 +829,15 @@ static int batadv_check_claim_group(struct bat_priv *bat_priv, * returns 1 if it was a claim frame, otherwise return 0 to * tell the callee that it can use the frame on its own. */ -static int batadv_bla_process_claim(struct bat_priv *bat_priv, - struct hard_iface *primary_if, +static int batadv_bla_process_claim(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, struct sk_buff *skb) { struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; struct arphdr *arphdr; uint8_t *hw_src, *hw_dst; - struct bla_claim_dst *bla_dst; + struct batadv_bla_claim_dst *bla_dst; uint16_t proto; int headlen; short vid = -1; @@ -876,13 +881,13 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv, hw_src = (uint8_t *)arphdr + sizeof(struct arphdr); hw_dst = hw_src + ETH_ALEN + 4; - bla_dst = (struct bla_claim_dst *)hw_dst; + bla_dst = (struct batadv_bla_claim_dst *)hw_dst; /* check if it is a claim frame. */ ret = batadv_check_claim_group(bat_priv, primary_if, hw_src, hw_dst, ethhdr); if (ret == 1) - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_process_claim(): received a claim frame from another group. From: %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n", ethhdr->h_source, vid, hw_src, hw_dst); @@ -894,30 +899,30 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv, /* check for the different types of claim frames ... */ switch (bla_dst->type) { - case CLAIM_TYPE_ADD: + case BATADV_CLAIM_TYPE_ADD: if (batadv_handle_claim(bat_priv, primary_if, hw_src, ethhdr->h_source, vid)) return 1; break; - case CLAIM_TYPE_DEL: + case BATADV_CLAIM_TYPE_DEL: if (batadv_handle_unclaim(bat_priv, primary_if, ethhdr->h_source, hw_src, vid)) return 1; break; - case CLAIM_TYPE_ANNOUNCE: + case BATADV_CLAIM_TYPE_ANNOUNCE: if (batadv_handle_announce(bat_priv, hw_src, ethhdr->h_source, vid)) return 1; break; - case CLAIM_TYPE_REQUEST: + case BATADV_CLAIM_TYPE_REQUEST: if (batadv_handle_request(bat_priv, primary_if, hw_src, ethhdr, vid)) return 1; break; } - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_process_claim(): ERROR - this looks like a claim frame, but is useless. eth src %pM on vid %d ...(hw_src %pM, hw_dst %pM)\n", ethhdr->h_source, vid, hw_src, hw_dst); return 1; @@ -926,12 +931,12 @@ static int batadv_bla_process_claim(struct bat_priv *bat_priv, /* Check when we last heard from other nodes, and remove them in case of * a time out, or clean all backbone gws if now is set. */ -static void batadv_bla_purge_backbone_gw(struct bat_priv *bat_priv, int now) +static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now) { - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; struct hlist_node *node, *node_tmp; struct hlist_head *head; - struct hashtable_t *hash; + struct batadv_hashtable *hash; spinlock_t *list_lock; /* protects write access to the hash lists */ int i; @@ -949,10 +954,10 @@ static void batadv_bla_purge_backbone_gw(struct bat_priv *bat_priv, int now) if (now) goto purge_now; if (!batadv_has_timed_out(backbone_gw->lasttime, - BLA_BACKBONE_TIMEOUT)) + BATADV_BLA_BACKBONE_TIMEOUT)) continue; - batadv_dbg(DBG_BLA, backbone_gw->bat_priv, + batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv, "bla_purge_backbone_gw(): backbone gw %pM timed out\n", backbone_gw->orig); @@ -977,13 +982,14 @@ purge_now: * Check when we heard last time from our own claims, and remove them in case of * a time out, or clean all claims if now is set */ -static void batadv_bla_purge_claims(struct bat_priv *bat_priv, - struct hard_iface *primary_if, int now) +static void batadv_bla_purge_claims(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, + int now) { - struct claim *claim; + struct batadv_claim *claim; struct hlist_node *node; struct hlist_head *head; - struct hashtable_t *hash; + struct batadv_hashtable *hash; int i; hash = bat_priv->claim_hash; @@ -1001,10 +1007,10 @@ static void batadv_bla_purge_claims(struct bat_priv *bat_priv, primary_if->net_dev->dev_addr)) continue; if (!batadv_has_timed_out(claim->lasttime, - BLA_CLAIM_TIMEOUT)) + BATADV_BLA_CLAIM_TIMEOUT)) continue; - batadv_dbg(DBG_BLA, bat_priv, + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla_purge_claims(): %pM, vid %d, time out\n", claim->addr, claim->vid); @@ -1023,14 +1029,14 @@ purge_now: * * Update the backbone gateways when the own orig address changes. */ -void batadv_bla_update_orig_address(struct bat_priv *bat_priv, - struct hard_iface *primary_if, - struct hard_iface *oldif) +void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, + struct batadv_hard_iface *oldif) { - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; struct hlist_node *node; struct hlist_head *head; - struct hashtable_t *hash; + struct batadv_hashtable *hash; int i; /* reset bridge loop avoidance group id */ @@ -1071,11 +1077,11 @@ void batadv_bla_update_orig_address(struct bat_priv *bat_priv, /* (re)start the timer */ -static void batadv_bla_start_timer(struct bat_priv *bat_priv) +static void batadv_bla_start_timer(struct batadv_priv *bat_priv) { INIT_DELAYED_WORK(&bat_priv->bla_work, batadv_bla_periodic_work); queue_delayed_work(batadv_event_workqueue, &bat_priv->bla_work, - msecs_to_jiffies(BLA_PERIOD_LENGTH)); + msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH)); } /* periodic work to do: @@ -1086,15 +1092,15 @@ static void batadv_bla_periodic_work(struct work_struct *work) { struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); - struct bat_priv *bat_priv = - container_of(delayed_work, struct bat_priv, bla_work); + struct batadv_priv *bat_priv; struct hlist_node *node; struct hlist_head *head; - struct backbone_gw *backbone_gw; - struct hashtable_t *hash; - struct hard_iface *primary_if; + struct batadv_backbone_gw *backbone_gw; + struct batadv_hashtable *hash; + struct batadv_hard_iface *primary_if; int i; + bat_priv = container_of(delayed_work, struct batadv_priv, bla_work); primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; @@ -1140,13 +1146,13 @@ static struct lock_class_key batadv_claim_hash_lock_class_key; static struct lock_class_key batadv_backbone_hash_lock_class_key; /* initialize all bla structures */ -int batadv_bla_init(struct bat_priv *bat_priv) +int batadv_bla_init(struct batadv_priv *bat_priv) { int i; uint8_t claim_dest[ETH_ALEN] = {0xff, 0x43, 0x05, 0x00, 0x00, 0x00}; - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; - batadv_dbg(DBG_BLA, bat_priv, "bla hash registering\n"); + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hash registering\n"); /* setting claim destination address */ memcpy(&bat_priv->claim_dest.magic, claim_dest, 3); @@ -1162,9 +1168,9 @@ int batadv_bla_init(struct bat_priv *bat_priv) } /* initialize the duplicate list */ - for (i = 0; i < DUPLIST_SIZE; i++) + for (i = 0; i < BATADV_DUPLIST_SIZE; i++) bat_priv->bcast_duplist[i].entrytime = - jiffies - msecs_to_jiffies(DUPLIST_TIMEOUT); + jiffies - msecs_to_jiffies(BATADV_DUPLIST_TIMEOUT); bat_priv->bcast_duplist_curr = 0; if (bat_priv->claim_hash) @@ -1181,7 +1187,7 @@ int batadv_bla_init(struct bat_priv *bat_priv) batadv_hash_set_lock_class(bat_priv->backbone_hash, &batadv_backbone_hash_lock_class_key); - batadv_dbg(DBG_BLA, bat_priv, "bla hashes initialized\n"); + batadv_dbg(BATADV_DBG_BLA, bat_priv, "bla hashes initialized\n"); batadv_bla_start_timer(bat_priv); return 0; @@ -1200,14 +1206,14 @@ int batadv_bla_init(struct bat_priv *bat_priv) * sent by another host, drop it. We allow equal packets from * the same host however as this might be intended. */ -int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, - struct bcast_packet *bcast_packet, +int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, + struct batadv_bcast_packet *bcast_packet, int hdr_size) { int i, length, curr; uint8_t *content; uint16_t crc; - struct bcast_duplist_entry *entry; + struct batadv_bcast_duplist_entry *entry; length = hdr_size - sizeof(*bcast_packet); content = (uint8_t *)bcast_packet; @@ -1216,14 +1222,15 @@ int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, /* calculate the crc ... */ crc = crc16(0, content, length); - for (i = 0 ; i < DUPLIST_SIZE; i++) { - curr = (bat_priv->bcast_duplist_curr + i) % DUPLIST_SIZE; + for (i = 0; i < BATADV_DUPLIST_SIZE; i++) { + curr = (bat_priv->bcast_duplist_curr + i) % BATADV_DUPLIST_SIZE; entry = &bat_priv->bcast_duplist[curr]; /* we can stop searching if the entry is too old ; * later entries will be even older */ - if (batadv_has_timed_out(entry->entrytime, DUPLIST_TIMEOUT)) + if (batadv_has_timed_out(entry->entrytime, + BATADV_DUPLIST_TIMEOUT)) break; if (entry->crc != crc) @@ -1238,7 +1245,8 @@ int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, return 1; } /* not found, add a new entry (overwrite the oldest entry) */ - curr = (bat_priv->bcast_duplist_curr + DUPLIST_SIZE - 1) % DUPLIST_SIZE; + curr = (bat_priv->bcast_duplist_curr + BATADV_DUPLIST_SIZE - 1); + curr %= BATADV_DUPLIST_SIZE; entry = &bat_priv->bcast_duplist[curr]; entry->crc = crc; entry->entrytime = jiffies; @@ -1258,12 +1266,12 @@ int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, * * returns 1 if it is found, 0 otherwise */ -int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig) +int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig) { - struct hashtable_t *hash = bat_priv->backbone_hash; + struct batadv_hashtable *hash = bat_priv->backbone_hash; struct hlist_head *head; struct hlist_node *node; - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; int i; if (!atomic_read(&bat_priv->bridge_loop_avoidance)) @@ -1298,11 +1306,11 @@ int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig) * returns 0. */ int batadv_bla_is_backbone_gw(struct sk_buff *skb, - struct orig_node *orig_node, int hdr_size) + struct batadv_orig_node *orig_node, int hdr_size) { struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; short vid = -1; if (!atomic_read(&orig_node->bat_priv->bridge_loop_avoidance)) @@ -1334,9 +1342,9 @@ int batadv_bla_is_backbone_gw(struct sk_buff *skb, } /* free all bla structures (for softinterface free or module unload) */ -void batadv_bla_free(struct bat_priv *bat_priv) +void batadv_bla_free(struct batadv_priv *bat_priv) { - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; cancel_delayed_work_sync(&bat_priv->bla_work); primary_if = batadv_primary_if_get_selected(bat_priv); @@ -1367,11 +1375,11 @@ void batadv_bla_free(struct bat_priv *bat_priv) * returns 1, otherwise it returns 0 and the caller shall further * process the skb. */ -int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) +int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid) { struct ethhdr *ethhdr; - struct claim search_claim, *claim = NULL; - struct hard_iface *primary_if; + struct batadv_claim search_claim, *claim = NULL; + struct batadv_hard_iface *primary_if; int ret; ethhdr = (struct ethhdr *)skb_mac_header(skb); @@ -1454,11 +1462,11 @@ out: * returns 1, otherwise it returns 0 and the caller shall further * process the skb. */ -int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid) +int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid) { struct ethhdr *ethhdr; - struct claim search_claim, *claim = NULL; - struct hard_iface *primary_if; + struct batadv_claim search_claim, *claim = NULL; + struct batadv_hard_iface *primary_if; int ret = 0; primary_if = batadv_primary_if_get_selected(bat_priv); @@ -1531,10 +1539,10 @@ out: int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) { struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); - struct hashtable_t *hash = bat_priv->claim_hash; - struct claim *claim; - struct hard_iface *primary_if; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hashtable *hash = bat_priv->claim_hash; + struct batadv_claim *claim; + struct batadv_hard_iface *primary_if; struct hlist_node *node; struct hlist_head *head; uint32_t i; @@ -1550,7 +1558,7 @@ int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset) goto out; } - if (primary_if->if_status != IF_ACTIVE) { + if (primary_if->if_status != BATADV_IF_ACTIVE) { ret = seq_printf(seq, "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 9818b1e..08d13cb 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -21,38 +21,38 @@ #define _NET_BATMAN_ADV_BLA_H_ #ifdef CONFIG_BATMAN_ADV_BLA -int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); -int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, short vid); +int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid); +int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid); int batadv_bla_is_backbone_gw(struct sk_buff *skb, - struct orig_node *orig_node, int hdr_size); + struct batadv_orig_node *orig_node, int hdr_size); int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, void *offset); -int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, uint8_t *orig); -int batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, - struct bcast_packet *bcast_packet, +int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig); +int batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, + struct batadv_bcast_packet *bcast_packet, int hdr_size); -void batadv_bla_update_orig_address(struct bat_priv *bat_priv, - struct hard_iface *primary_if, - struct hard_iface *oldif); -int batadv_bla_init(struct bat_priv *bat_priv); -void batadv_bla_free(struct bat_priv *bat_priv); +void batadv_bla_update_orig_address(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, + struct batadv_hard_iface *oldif); +int batadv_bla_init(struct batadv_priv *bat_priv); +void batadv_bla_free(struct batadv_priv *bat_priv); -#define BLA_CRC_INIT 0 +#define BATADV_BLA_CRC_INIT 0 #else /* ifdef CONFIG_BATMAN_ADV_BLA */ -static inline int batadv_bla_rx(struct bat_priv *bat_priv, struct sk_buff *skb, - short vid) +static inline int batadv_bla_rx(struct batadv_priv *bat_priv, + struct sk_buff *skb, short vid) { return 0; } -static inline int batadv_bla_tx(struct bat_priv *bat_priv, struct sk_buff *skb, - short vid) +static inline int batadv_bla_tx(struct batadv_priv *bat_priv, + struct sk_buff *skb, short vid) { return 0; } static inline int batadv_bla_is_backbone_gw(struct sk_buff *skb, - struct orig_node *orig_node, + struct batadv_orig_node *orig_node, int hdr_size) { return 0; @@ -64,33 +64,33 @@ static inline int batadv_bla_claim_table_seq_print_text(struct seq_file *seq, return 0; } -static inline int batadv_bla_is_backbone_gw_orig(struct bat_priv *bat_priv, +static inline int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig) { return 0; } static inline int -batadv_bla_check_bcast_duplist(struct bat_priv *bat_priv, - struct bcast_packet *bcast_packet, +batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv, + struct batadv_bcast_packet *bcast_packet, int hdr_size) { return 0; } static inline void -batadv_bla_update_orig_address(struct bat_priv *bat_priv, - struct hard_iface *primary_if, - struct hard_iface *oldif) +batadv_bla_update_orig_address(struct batadv_priv *bat_priv, + struct batadv_hard_iface *primary_if, + struct batadv_hard_iface *oldif) { } -static inline int batadv_bla_init(struct bat_priv *bat_priv) +static inline int batadv_bla_init(struct batadv_priv *bat_priv) { return 1; } -static inline void batadv_bla_free(struct bat_priv *bat_priv) +static inline void batadv_bla_free(struct batadv_priv *bat_priv) { } diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/debugfs.c index 03f09f0..34fbb16 100644 --- a/net/batman-adv/bat_debugfs.c +++ b/net/batman-adv/debugfs.c @@ -21,7 +21,7 @@ #include <linux/debugfs.h> -#include "bat_debugfs.h" +#include "debugfs.h" #include "translation-table.h" #include "originator.h" #include "hard-interface.h" @@ -35,14 +35,22 @@ static struct dentry *batadv_debugfs; #ifdef CONFIG_BATMAN_ADV_DEBUG -#define LOG_BUFF_MASK (batadv_log_buff_len - 1) -#define LOG_BUFF(idx) (debug_log->log_buff[(idx) & LOG_BUFF_MASK]) +#define BATADV_LOG_BUFF_MASK (batadv_log_buff_len - 1) -static int batadv_log_buff_len = LOG_BUF_LEN; +static const int batadv_log_buff_len = BATADV_LOG_BUF_LEN; -static void batadv_emit_log_char(struct debug_log *debug_log, char c) +static char *batadv_log_char_addr(struct batadv_debug_log *debug_log, + size_t idx) { - LOG_BUFF(debug_log->log_end) = c; + return &debug_log->log_buff[idx & BATADV_LOG_BUFF_MASK]; +} + +static void batadv_emit_log_char(struct batadv_debug_log *debug_log, char c) +{ + char *char_addr; + + char_addr = batadv_log_char_addr(debug_log, debug_log->log_end); + *char_addr = c; debug_log->log_end++; if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) @@ -50,7 +58,8 @@ static void batadv_emit_log_char(struct debug_log *debug_log, char c) } __printf(2, 3) -static int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...) +static int batadv_fdebug_log(struct batadv_debug_log *debug_log, + const char *fmt, ...) { va_list args; static char debug_log_buf[256]; @@ -74,7 +83,7 @@ static int batadv_fdebug_log(struct debug_log *debug_log, const char *fmt, ...) return 0; } -int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...) +int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...) { va_list args; char tmp_log_buf[256]; @@ -102,16 +111,21 @@ static int batadv_log_release(struct inode *inode, struct file *file) return 0; } +static int batadv_log_empty(struct batadv_debug_log *debug_log) +{ + return !(debug_log->log_start - debug_log->log_end); +} + static ssize_t batadv_log_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct bat_priv *bat_priv = file->private_data; - struct debug_log *debug_log = bat_priv->debug_log; + struct batadv_priv *bat_priv = file->private_data; + struct batadv_debug_log *debug_log = bat_priv->debug_log; int error, i = 0; + char *char_addr; char c; - if ((file->f_flags & O_NONBLOCK) && - !(debug_log->log_end - debug_log->log_start)) + if ((file->f_flags & O_NONBLOCK) && batadv_log_empty(debug_log)) return -EAGAIN; if (!buf) @@ -124,7 +138,7 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf, return -EFAULT; error = wait_event_interruptible(debug_log->queue_wait, - (debug_log->log_start - debug_log->log_end)); + (!batadv_log_empty(debug_log))); if (error) return error; @@ -133,7 +147,9 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf, while ((!error) && (i < count) && (debug_log->log_start != debug_log->log_end)) { - c = LOG_BUFF(debug_log->log_start); + char_addr = batadv_log_char_addr(debug_log, + debug_log->log_start); + c = *char_addr; debug_log->log_start++; @@ -158,12 +174,12 @@ static ssize_t batadv_log_read(struct file *file, char __user *buf, static unsigned int batadv_log_poll(struct file *file, poll_table *wait) { - struct bat_priv *bat_priv = file->private_data; - struct debug_log *debug_log = bat_priv->debug_log; + struct batadv_priv *bat_priv = file->private_data; + struct batadv_debug_log *debug_log = bat_priv->debug_log; poll_wait(file, &debug_log->queue_wait, wait); - if (debug_log->log_end - debug_log->log_start) + if (!batadv_log_empty(debug_log)) return POLLIN | POLLRDNORM; return 0; @@ -177,7 +193,7 @@ static const struct file_operations batadv_log_fops = { .llseek = no_llseek, }; -static int batadv_debug_log_setup(struct bat_priv *bat_priv) +static int batadv_debug_log_setup(struct batadv_priv *bat_priv) { struct dentry *d; @@ -203,19 +219,19 @@ err: return -ENOMEM; } -static void batadv_debug_log_cleanup(struct bat_priv *bat_priv) +static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) { kfree(bat_priv->debug_log); bat_priv->debug_log = NULL; } #else /* CONFIG_BATMAN_ADV_DEBUG */ -static int batadv_debug_log_setup(struct bat_priv *bat_priv) +static int batadv_debug_log_setup(struct batadv_priv *bat_priv) { bat_priv->debug_log = NULL; return 0; } -static void batadv_debug_log_cleanup(struct bat_priv *bat_priv) +static void batadv_debug_log_cleanup(struct batadv_priv *bat_priv) { return; } @@ -265,13 +281,13 @@ static int batadv_vis_data_open(struct inode *inode, struct file *file) return single_open(file, batadv_vis_seq_print_text, net_dev); } -struct bat_debuginfo { +struct batadv_debuginfo { struct attribute attr; const struct file_operations fops; }; -#define BAT_DEBUGINFO(_name, _mode, _open) \ -struct bat_debuginfo batadv_debuginfo_##_name = { \ +#define BATADV_DEBUGINFO(_name, _mode, _open) \ +struct batadv_debuginfo batadv_debuginfo_##_name = { \ .attr = { .name = __stringify(_name), \ .mode = _mode, }, \ .fops = { .owner = THIS_MODULE, \ @@ -282,17 +298,19 @@ struct bat_debuginfo batadv_debuginfo_##_name = { \ } \ }; -static BAT_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open); -static BAT_DEBUGINFO(originators, S_IRUGO, batadv_originators_open); -static BAT_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open); -static BAT_DEBUGINFO(transtable_global, S_IRUGO, batadv_transtable_global_open); +static BATADV_DEBUGINFO(routing_algos, S_IRUGO, batadv_algorithms_open); +static BATADV_DEBUGINFO(originators, S_IRUGO, batadv_originators_open); +static BATADV_DEBUGINFO(gateways, S_IRUGO, batadv_gateways_open); +static BATADV_DEBUGINFO(transtable_global, S_IRUGO, + batadv_transtable_global_open); #ifdef CONFIG_BATMAN_ADV_BLA -static BAT_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open); +static BATADV_DEBUGINFO(bla_claim_table, S_IRUGO, batadv_bla_claim_table_open); #endif -static BAT_DEBUGINFO(transtable_local, S_IRUGO, batadv_transtable_local_open); -static BAT_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open); +static BATADV_DEBUGINFO(transtable_local, S_IRUGO, + batadv_transtable_local_open); +static BATADV_DEBUGINFO(vis_data, S_IRUGO, batadv_vis_data_open); -static struct bat_debuginfo *batadv_mesh_debuginfos[] = { +static struct batadv_debuginfo *batadv_mesh_debuginfos[] = { &batadv_debuginfo_originators, &batadv_debuginfo_gateways, &batadv_debuginfo_transtable_global, @@ -306,10 +324,10 @@ static struct bat_debuginfo *batadv_mesh_debuginfos[] = { void batadv_debugfs_init(void) { - struct bat_debuginfo *bat_debug; + struct batadv_debuginfo *bat_debug; struct dentry *file; - batadv_debugfs = debugfs_create_dir(DEBUGFS_BAT_SUBDIR, NULL); + batadv_debugfs = debugfs_create_dir(BATADV_DEBUGFS_SUBDIR, NULL); if (batadv_debugfs == ERR_PTR(-ENODEV)) batadv_debugfs = NULL; @@ -337,8 +355,8 @@ void batadv_debugfs_destroy(void) int batadv_debugfs_add_meshif(struct net_device *dev) { - struct bat_priv *bat_priv = netdev_priv(dev); - struct bat_debuginfo **bat_debug; + struct batadv_priv *bat_priv = netdev_priv(dev); + struct batadv_debuginfo **bat_debug; struct dentry *file; if (!batadv_debugfs) @@ -356,12 +374,12 @@ int batadv_debugfs_add_meshif(struct net_device *dev) for (bat_debug = batadv_mesh_debuginfos; *bat_debug; ++bat_debug) { file = debugfs_create_file(((*bat_debug)->attr).name, - S_IFREG | ((*bat_debug)->attr).mode, - bat_priv->debug_dir, - dev, &(*bat_debug)->fops); + S_IFREG | ((*bat_debug)->attr).mode, + bat_priv->debug_dir, + dev, &(*bat_debug)->fops); if (!file) { - bat_err(dev, "Can't add debugfs file: %s/%s\n", - dev->name, ((*bat_debug)->attr).name); + batadv_err(dev, "Can't add debugfs file: %s/%s\n", + dev->name, ((*bat_debug)->attr).name); goto rem_attr; } } @@ -380,7 +398,7 @@ out: void batadv_debugfs_del_meshif(struct net_device *dev) { - struct bat_priv *bat_priv = netdev_priv(dev); + struct batadv_priv *bat_priv = netdev_priv(dev); batadv_debug_log_cleanup(bat_priv); diff --git a/net/batman-adv/bat_debugfs.h b/net/batman-adv/debugfs.h index eb0d576..3319e1f 100644 --- a/net/batman-adv/bat_debugfs.h +++ b/net/batman-adv/debugfs.h @@ -20,7 +20,7 @@ #ifndef _NET_BATMAN_ADV_DEBUGFS_H_ #define _NET_BATMAN_ADV_DEBUGFS_H_ -#define DEBUGFS_BAT_SUBDIR "batman_adv" +#define BATADV_DEBUGFS_SUBDIR "batman_adv" void batadv_debugfs_init(void); void batadv_debugfs_destroy(void); diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index efe7519..b421cc4 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -18,7 +18,7 @@ */ #include "main.h" -#include "bat_sysfs.h" +#include "sysfs.h" #include "gateway_client.h" #include "gateway_common.h" #include "hard-interface.h" @@ -33,18 +33,19 @@ /* This is the offset of the options field in a dhcp packet starting at * the beginning of the dhcp header */ -#define DHCP_OPTIONS_OFFSET 240 -#define DHCP_REQUEST 3 +#define BATADV_DHCP_OPTIONS_OFFSET 240 +#define BATADV_DHCP_REQUEST 3 -static void batadv_gw_node_free_ref(struct gw_node *gw_node) +static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node) { if (atomic_dec_and_test(&gw_node->refcount)) kfree_rcu(gw_node, rcu); } -static struct gw_node *batadv_gw_get_selected_gw_node(struct bat_priv *bat_priv) +static struct batadv_gw_node * +batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv) { - struct gw_node *gw_node; + struct batadv_gw_node *gw_node; rcu_read_lock(); gw_node = rcu_dereference(bat_priv->curr_gw); @@ -59,10 +60,11 @@ out: return gw_node; } -struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv) +struct batadv_orig_node * +batadv_gw_get_selected_orig(struct batadv_priv *bat_priv) { - struct gw_node *gw_node; - struct orig_node *orig_node = NULL; + struct batadv_gw_node *gw_node; + struct batadv_orig_node *orig_node = NULL; gw_node = batadv_gw_get_selected_gw_node(bat_priv); if (!gw_node) @@ -84,10 +86,10 @@ out: return orig_node; } -static void batadv_gw_select(struct bat_priv *bat_priv, - struct gw_node *new_gw_node) +static void batadv_gw_select(struct batadv_priv *bat_priv, + struct batadv_gw_node *new_gw_node) { - struct gw_node *curr_gw_node; + struct batadv_gw_node *curr_gw_node; spin_lock_bh(&bat_priv->gw_list_lock); @@ -103,20 +105,21 @@ static void batadv_gw_select(struct bat_priv *bat_priv, spin_unlock_bh(&bat_priv->gw_list_lock); } -void batadv_gw_deselect(struct bat_priv *bat_priv) +void batadv_gw_deselect(struct batadv_priv *bat_priv) { atomic_set(&bat_priv->gw_reselect, 1); } -static struct gw_node *batadv_gw_get_best_gw_node(struct bat_priv *bat_priv) +static struct batadv_gw_node * +batadv_gw_get_best_gw_node(struct batadv_priv *bat_priv) { - struct neigh_node *router; + struct batadv_neigh_node *router; struct hlist_node *node; - struct gw_node *gw_node, *curr_gw = NULL; + struct batadv_gw_node *gw_node, *curr_gw = NULL; uint32_t max_gw_factor = 0, tmp_gw_factor = 0; uint8_t max_tq = 0; int down, up; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; rcu_read_lock(); hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) { @@ -138,8 +141,8 @@ static struct gw_node *batadv_gw_get_best_gw_node(struct bat_priv *bat_priv) tmp_gw_factor = (router->tq_avg * router->tq_avg * down * 100 * 100) / - (TQ_LOCAL_WINDOW_SIZE * - TQ_LOCAL_WINDOW_SIZE * 64); + (BATADV_TQ_LOCAL_WINDOW_SIZE * + BATADV_TQ_LOCAL_WINDOW_SIZE * 64); if ((tmp_gw_factor > max_gw_factor) || ((tmp_gw_factor == max_gw_factor) && @@ -183,10 +186,10 @@ next: return curr_gw; } -void batadv_gw_election(struct bat_priv *bat_priv) +void batadv_gw_election(struct batadv_priv *bat_priv) { - struct gw_node *curr_gw = NULL, *next_gw = NULL; - struct neigh_node *router = NULL; + struct batadv_gw_node *curr_gw = NULL, *next_gw = NULL; + struct batadv_neigh_node *router = NULL; char gw_addr[18] = { '\0' }; /* The batman daemon checks here if we already passed a full originator @@ -194,10 +197,10 @@ void batadv_gw_election(struct bat_priv *bat_priv) * hear about. This check is based on the daemon's uptime which we * don't have. */ - if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT) + if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT) goto out; - if (!atomic_dec_not_zero(&bat_priv->gw_reselect)) + if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect)) goto out; curr_gw = batadv_gw_get_selected_gw_node(bat_priv); @@ -218,21 +221,24 @@ void batadv_gw_election(struct bat_priv *bat_priv) } if ((curr_gw) && (!next_gw)) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Removing selected gateway - no gateway in range\n"); - batadv_throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL); + batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_DEL, + NULL); } else if ((!curr_gw) && (next_gw)) { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n", next_gw->orig_node->orig, next_gw->orig_node->gw_flags, router->tq_avg); - batadv_throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr); + batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_ADD, + gw_addr); } else { - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Changing route to gateway %pM (gw_flags: %i, tq: %i)\n", next_gw->orig_node->orig, next_gw->orig_node->gw_flags, router->tq_avg); - batadv_throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr); + batadv_throw_uevent(bat_priv, BATADV_UEV_GW, BATADV_UEV_CHANGE, + gw_addr); } batadv_gw_select(bat_priv, next_gw); @@ -246,11 +252,11 @@ out: batadv_neigh_node_free_ref(router); } -void batadv_gw_check_election(struct bat_priv *bat_priv, - struct orig_node *orig_node) +void batadv_gw_check_election(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node) { - struct orig_node *curr_gw_orig; - struct neigh_node *router_gw = NULL, *router_orig = NULL; + struct batadv_orig_node *curr_gw_orig; + struct batadv_neigh_node *router_gw = NULL, *router_orig = NULL; uint8_t gw_tq_avg, orig_tq_avg; curr_gw_orig = batadv_gw_get_selected_orig(bat_priv); @@ -283,7 +289,7 @@ void batadv_gw_check_election(struct bat_priv *bat_priv, (orig_tq_avg - gw_tq_avg < atomic_read(&bat_priv->gw_sel_class))) goto out; - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Restarting gateway selection: better gateway found (tq curr: %i, tq new: %i)\n", gw_tq_avg, orig_tq_avg); @@ -300,11 +306,11 @@ out: return; } -static void batadv_gw_node_add(struct bat_priv *bat_priv, - struct orig_node *orig_node, +static void batadv_gw_node_add(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, uint8_t new_gwflags) { - struct gw_node *gw_node; + struct batadv_gw_node *gw_node; int down, up; gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC); @@ -320,7 +326,7 @@ static void batadv_gw_node_add(struct bat_priv *bat_priv, spin_unlock_bh(&bat_priv->gw_list_lock); batadv_gw_bandwidth_to_kbit(new_gwflags, &down, &up); - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Found new gateway %pM -> gw_class: %i - %i%s/%i%s\n", orig_node->orig, new_gwflags, (down > 2048 ? down / 1024 : down), @@ -329,11 +335,12 @@ static void batadv_gw_node_add(struct bat_priv *bat_priv, (up > 2048 ? "MBit" : "KBit")); } -void batadv_gw_node_update(struct bat_priv *bat_priv, - struct orig_node *orig_node, uint8_t new_gwflags) +void batadv_gw_node_update(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + uint8_t new_gwflags) { struct hlist_node *node; - struct gw_node *gw_node, *curr_gw; + struct batadv_gw_node *gw_node, *curr_gw; /* Note: We don't need a NULL check here, since curr_gw never gets * dereferenced. If curr_gw is NULL we also should not exit as we may @@ -347,16 +354,16 @@ void batadv_gw_node_update(struct bat_priv *bat_priv, if (gw_node->orig_node != orig_node) continue; - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Gateway class of originator %pM changed from %i to %i\n", orig_node->orig, gw_node->orig_node->gw_flags, new_gwflags); gw_node->deleted = 0; - if (new_gwflags == NO_FLAGS) { + if (new_gwflags == BATADV_NO_FLAGS) { gw_node->deleted = jiffies; - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Gateway %pM removed from gateway list\n", orig_node->orig); @@ -367,7 +374,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv, goto unlock; } - if (new_gwflags == NO_FLAGS) + if (new_gwflags == BATADV_NO_FLAGS) goto unlock; batadv_gw_node_add(bat_priv, orig_node, new_gwflags); @@ -382,17 +389,17 @@ unlock: batadv_gw_node_free_ref(curr_gw); } -void batadv_gw_node_delete(struct bat_priv *bat_priv, - struct orig_node *orig_node) +void batadv_gw_node_delete(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node) { batadv_gw_node_update(bat_priv, orig_node, 0); } -void batadv_gw_node_purge(struct bat_priv *bat_priv) +void batadv_gw_node_purge(struct batadv_priv *bat_priv) { - struct gw_node *gw_node, *curr_gw; + struct batadv_gw_node *gw_node, *curr_gw; struct hlist_node *node, *node_tmp; - unsigned long timeout = msecs_to_jiffies(2 * PURGE_TIMEOUT); + unsigned long timeout = msecs_to_jiffies(2 * BATADV_PURGE_TIMEOUT); int do_deselect = 0; curr_gw = batadv_gw_get_selected_gw_node(bat_priv); @@ -403,7 +410,7 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv) &bat_priv->gw_list, list) { if (((!gw_node->deleted) || (time_before(jiffies, gw_node->deleted + timeout))) && - atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) + atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) continue; if (curr_gw == gw_node) @@ -424,12 +431,12 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv) } /* fails if orig_node has no router */ -static int batadv_write_buffer_text(struct bat_priv *bat_priv, - struct seq_file *seq, - const struct gw_node *gw_node) +static int batadv_write_buffer_text(struct batadv_priv *bat_priv, + struct seq_file *seq, + const struct batadv_gw_node *gw_node) { - struct gw_node *curr_gw; - struct neigh_node *router; + struct batadv_gw_node *curr_gw; + struct batadv_neigh_node *router; int down, up, ret = -1; batadv_gw_bandwidth_to_kbit(gw_node->orig_node->gw_flags, &down, &up); @@ -461,9 +468,9 @@ out: int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) { struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); - struct hard_iface *primary_if; - struct gw_node *gw_node; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hard_iface *primary_if; + struct batadv_gw_node *gw_node; struct hlist_node *node; int gw_count = 0, ret = 0; @@ -475,7 +482,7 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) goto out; } - if (primary_if->if_status != IF_ACTIVE) { + if (primary_if->if_status != BATADV_IF_ACTIVE) { ret = seq_printf(seq, "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); @@ -484,8 +491,8 @@ int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset) seq_printf(seq, " %-12s (%s/%i) %17s [%10s]: gw_class ... [B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n", - "Gateway", "#", TQ_MAX_VALUE, "Nexthop", "outgoingIF", - SOURCE_VERSION, primary_if->net_dev->name, + "Gateway", "#", BATADV_TQ_MAX_VALUE, "Nexthop", "outgoingIF", + BATADV_SOURCE_VERSION, primary_if->net_dev->name, primary_if->net_dev->dev_addr, net_dev->name); rcu_read_lock(); @@ -521,11 +528,11 @@ static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len) pkt_len = skb_headlen(skb); - if (pkt_len < header_len + DHCP_OPTIONS_OFFSET + 1) + if (pkt_len < header_len + BATADV_DHCP_OPTIONS_OFFSET + 1) goto out; - p = skb->data + header_len + DHCP_OPTIONS_OFFSET; - pkt_len -= header_len + DHCP_OPTIONS_OFFSET + 1; + p = skb->data + header_len + BATADV_DHCP_OPTIONS_OFFSET; + pkt_len -= header_len + BATADV_DHCP_OPTIONS_OFFSET + 1; /* Access the dhcp option lists. Each entry is made up by: * - octet 1: option type @@ -543,7 +550,7 @@ static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len) p += 2; /* check if the message type is what we need */ - if (*p == DHCP_REQUEST) + if (*p == BATADV_DHCP_REQUEST) ret = true; break; } else if (*p == 0) { @@ -636,12 +643,12 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) return true; } -bool batadv_gw_out_of_range(struct bat_priv *bat_priv, +bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb, struct ethhdr *ethhdr) { - struct neigh_node *neigh_curr = NULL, *neigh_old = NULL; - struct orig_node *orig_dst_node = NULL; - struct gw_node *curr_gw = NULL; + struct batadv_neigh_node *neigh_curr = NULL, *neigh_old = NULL; + struct batadv_orig_node *orig_dst_node = NULL; + struct batadv_gw_node *curr_gw = NULL; bool ret, out_of_range = false; unsigned int header_len = 0; uint8_t curr_tq_avg; @@ -663,13 +670,13 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv, goto out; switch (atomic_read(&bat_priv->gw_mode)) { - case GW_MODE_SERVER: + case BATADV_GW_MODE_SERVER: /* If we are a GW then we are our best GW. We can artificially * set the tq towards ourself as the maximum value */ - curr_tq_avg = TQ_MAX_VALUE; + curr_tq_avg = BATADV_TQ_MAX_VALUE; break; - case GW_MODE_CLIENT: + case BATADV_GW_MODE_CLIENT: curr_gw = batadv_gw_get_selected_gw_node(bat_priv); if (!curr_gw) goto out; @@ -689,7 +696,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv, curr_tq_avg = neigh_curr->tq_avg; break; - case GW_MODE_OFF: + case BATADV_GW_MODE_OFF: default: goto out; } @@ -698,7 +705,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv, if (!neigh_old) goto out; - if (curr_tq_avg - neigh_old->tq_avg > GW_THRESHOLD) + if (curr_tq_avg - neigh_old->tq_avg > BATADV_GW_THRESHOLD) out_of_range = true; out: diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h index 4529d42..f0d129e 100644 --- a/net/batman-adv/gateway_client.h +++ b/net/batman-adv/gateway_client.h @@ -20,19 +20,21 @@ #ifndef _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ #define _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ -void batadv_gw_deselect(struct bat_priv *bat_priv); -void batadv_gw_election(struct bat_priv *bat_priv); -struct orig_node *batadv_gw_get_selected_orig(struct bat_priv *bat_priv); -void batadv_gw_check_election(struct bat_priv *bat_priv, - struct orig_node *orig_node); -void batadv_gw_node_update(struct bat_priv *bat_priv, - struct orig_node *orig_node, uint8_t new_gwflags); -void batadv_gw_node_delete(struct bat_priv *bat_priv, - struct orig_node *orig_node); -void batadv_gw_node_purge(struct bat_priv *bat_priv); +void batadv_gw_deselect(struct batadv_priv *bat_priv); +void batadv_gw_election(struct batadv_priv *bat_priv); +struct batadv_orig_node * +batadv_gw_get_selected_orig(struct batadv_priv *bat_priv); +void batadv_gw_check_election(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node); +void batadv_gw_node_update(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + uint8_t new_gwflags); +void batadv_gw_node_delete(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node); +void batadv_gw_node_purge(struct batadv_priv *bat_priv); int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len); -bool batadv_gw_out_of_range(struct bat_priv *bat_priv, +bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb, struct ethhdr *ethhdr); #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */ diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c index 6edf37f..9001208 100644 --- a/net/batman-adv/gateway_common.c +++ b/net/batman-adv/gateway_common.c @@ -97,9 +97,9 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, ret = kstrtol(buff, 10, &ldown); if (ret) { - bat_err(net_dev, - "Download speed of gateway mode invalid: %s\n", - buff); + batadv_err(net_dev, + "Download speed of gateway mode invalid: %s\n", + buff); return false; } @@ -122,9 +122,9 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, ret = kstrtol(slash_ptr + 1, 10, &lup); if (ret) { - bat_err(net_dev, - "Upload speed of gateway mode invalid: %s\n", - slash_ptr + 1); + batadv_err(net_dev, + "Upload speed of gateway mode invalid: %s\n", + slash_ptr + 1); return false; } @@ -137,7 +137,7 @@ static bool batadv_parse_gw_bandwidth(struct net_device *net_dev, char *buff, ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count) { - struct bat_priv *bat_priv = netdev_priv(net_dev); + struct batadv_priv *bat_priv = netdev_priv(net_dev); long gw_bandwidth_tmp = 0; int up = 0, down = 0; bool ret; @@ -164,13 +164,13 @@ ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, return count; batadv_gw_deselect(bat_priv); - bat_info(net_dev, - "Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n", - atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp, - (down > 2048 ? down / 1024 : down), - (down > 2048 ? "MBit" : "KBit"), - (up > 2048 ? up / 1024 : up), - (up > 2048 ? "MBit" : "KBit")); + batadv_info(net_dev, + "Changing gateway bandwidth from: '%i' to: '%ld' (propagating: %d%s/%d%s)\n", + atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp, + (down > 2048 ? down / 1024 : down), + (down > 2048 ? "MBit" : "KBit"), + (up > 2048 ? up / 1024 : up), + (up > 2048 ? "MBit" : "KBit")); atomic_set(&bat_priv->gw_bandwidth, gw_bandwidth_tmp); diff --git a/net/batman-adv/gateway_common.h b/net/batman-adv/gateway_common.h index 6f8a4d0..13697f6 100644 --- a/net/batman-adv/gateway_common.h +++ b/net/batman-adv/gateway_common.h @@ -20,15 +20,15 @@ #ifndef _NET_BATMAN_ADV_GATEWAY_COMMON_H_ #define _NET_BATMAN_ADV_GATEWAY_COMMON_H_ -enum gw_modes { - GW_MODE_OFF, - GW_MODE_CLIENT, - GW_MODE_SERVER, +enum batadv_gw_modes { + BATADV_GW_MODE_OFF, + BATADV_GW_MODE_CLIENT, + BATADV_GW_MODE_SERVER, }; -#define GW_MODE_OFF_NAME "off" -#define GW_MODE_CLIENT_NAME "client" -#define GW_MODE_SERVER_NAME "server" +#define BATADV_GW_MODE_OFF_NAME "off" +#define BATADV_GW_MODE_CLIENT_NAME "client" +#define BATADV_GW_MODE_SERVER_NAME "server" void batadv_gw_bandwidth_to_kbit(uint8_t gw_class, int *down, int *up); ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff, diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index c22c145..282bf6e 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -23,7 +23,7 @@ #include "send.h" #include "translation-table.h" #include "routing.h" -#include "bat_sysfs.h" +#include "sysfs.h" #include "originator.h" #include "hash.h" #include "bridge_loop_avoidance.h" @@ -32,16 +32,17 @@ void batadv_hardif_free_rcu(struct rcu_head *rcu) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; - hard_iface = container_of(rcu, struct hard_iface, rcu); + hard_iface = container_of(rcu, struct batadv_hard_iface, rcu); dev_put(hard_iface->net_dev); kfree(hard_iface); } -struct hard_iface *batadv_hardif_get_by_netdev(const struct net_device *net_dev) +struct batadv_hard_iface * +batadv_hardif_get_by_netdev(const struct net_device *net_dev) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { @@ -75,17 +76,17 @@ static int batadv_is_valid_iface(const struct net_device *net_dev) return 1; } -static struct hard_iface * +static struct batadv_hard_iface * batadv_hardif_get_active(const struct net_device *soft_iface) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { if (hard_iface->soft_iface != soft_iface) continue; - if (hard_iface->if_status == IF_ACTIVE && + if (hard_iface->if_status == BATADV_IF_ACTIVE && atomic_inc_not_zero(&hard_iface->refcount)) goto out; } @@ -97,17 +98,17 @@ out: return hard_iface; } -static void batadv_primary_if_update_addr(struct bat_priv *bat_priv, - struct hard_iface *oldif) +static void batadv_primary_if_update_addr(struct batadv_priv *bat_priv, + struct batadv_hard_iface *oldif) { - struct vis_packet *vis_packet; - struct hard_iface *primary_if; + struct batadv_vis_packet *vis_packet; + struct batadv_hard_iface *primary_if; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; - vis_packet = (struct vis_packet *) + vis_packet = (struct batadv_vis_packet *) bat_priv->my_vis_info->skb_packet->data; memcpy(vis_packet->vis_orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(vis_packet->sender_orig, @@ -119,10 +120,10 @@ out: batadv_hardif_free_ref(primary_if); } -static void batadv_primary_if_select(struct bat_priv *bat_priv, - struct hard_iface *new_hard_iface) +static void batadv_primary_if_select(struct batadv_priv *bat_priv, + struct batadv_hard_iface *new_hard_iface) { - struct hard_iface *curr_hard_iface; + struct batadv_hard_iface *curr_hard_iface; ASSERT_RTNL(); @@ -143,7 +144,8 @@ out: batadv_hardif_free_ref(curr_hard_iface); } -static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface) +static bool +batadv_hardif_is_iface_up(const struct batadv_hard_iface *hard_iface) { if (hard_iface->net_dev->flags & IFF_UP) return true; @@ -153,12 +155,12 @@ static bool batadv_hardif_is_iface_up(const struct hard_iface *hard_iface) static void batadv_check_known_mac_addr(const struct net_device *net_dev) { - const struct hard_iface *hard_iface; + const struct batadv_hard_iface *hard_iface; rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { - if ((hard_iface->if_status != IF_ACTIVE) && - (hard_iface->if_status != IF_TO_BE_ACTIVATED)) + if ((hard_iface->if_status != BATADV_IF_ACTIVE) && + (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED)) continue; if (hard_iface->net_dev == net_dev) @@ -177,8 +179,8 @@ static void batadv_check_known_mac_addr(const struct net_device *net_dev) int batadv_hardif_min_mtu(struct net_device *soft_iface) { - const struct bat_priv *bat_priv = netdev_priv(soft_iface); - const struct hard_iface *hard_iface; + const struct batadv_priv *bat_priv = netdev_priv(soft_iface); + const struct batadv_hard_iface *hard_iface; /* allow big frames if all devices are capable to do so * (have MTU > 1500 + BAT_HEADER_LEN) */ @@ -189,14 +191,15 @@ int batadv_hardif_min_mtu(struct net_device *soft_iface) rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { - if ((hard_iface->if_status != IF_ACTIVE) && - (hard_iface->if_status != IF_TO_BE_ACTIVATED)) + if ((hard_iface->if_status != BATADV_IF_ACTIVE) && + (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED)) continue; if (hard_iface->soft_iface != soft_iface) continue; - min_mtu = min_t(int, hard_iface->net_dev->mtu - BAT_HEADER_LEN, + min_mtu = min_t(int, + hard_iface->net_dev->mtu - BATADV_HEADER_LEN, min_mtu); } rcu_read_unlock(); @@ -214,18 +217,19 @@ void batadv_update_min_mtu(struct net_device *soft_iface) soft_iface->mtu = min_mtu; } -static void batadv_hardif_activate_interface(struct hard_iface *hard_iface) +static void +batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface) { - struct bat_priv *bat_priv; - struct hard_iface *primary_if = NULL; + struct batadv_priv *bat_priv; + struct batadv_hard_iface *primary_if = NULL; - if (hard_iface->if_status != IF_INACTIVE) + if (hard_iface->if_status != BATADV_IF_INACTIVE) goto out; bat_priv = netdev_priv(hard_iface->soft_iface); bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface); - hard_iface->if_status = IF_TO_BE_ACTIVATED; + hard_iface->if_status = BATADV_IF_TO_BE_ACTIVATED; /* the first active interface becomes our primary interface or * the next active interface after the old primary interface was removed @@ -234,8 +238,8 @@ static void batadv_hardif_activate_interface(struct hard_iface *hard_iface) if (!primary_if) batadv_primary_if_select(bat_priv, hard_iface); - bat_info(hard_iface->soft_iface, "Interface activated: %s\n", - hard_iface->net_dev->name); + batadv_info(hard_iface->soft_iface, "Interface activated: %s\n", + hard_iface->net_dev->name); batadv_update_min_mtu(hard_iface->soft_iface); @@ -244,28 +248,30 @@ out: batadv_hardif_free_ref(primary_if); } -static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface) +static void +batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface) { - if ((hard_iface->if_status != IF_ACTIVE) && - (hard_iface->if_status != IF_TO_BE_ACTIVATED)) + if ((hard_iface->if_status != BATADV_IF_ACTIVE) && + (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED)) return; - hard_iface->if_status = IF_INACTIVE; + hard_iface->if_status = BATADV_IF_INACTIVE; - bat_info(hard_iface->soft_iface, "Interface deactivated: %s\n", - hard_iface->net_dev->name); + batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n", + hard_iface->net_dev->name); batadv_update_min_mtu(hard_iface->soft_iface); } -int batadv_hardif_enable_interface(struct hard_iface *hard_iface, +int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, const char *iface_name) { - struct bat_priv *bat_priv; + struct batadv_priv *bat_priv; struct net_device *soft_iface; + __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); int ret; - if (hard_iface->if_status != IF_NOT_IN_USE) + if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) goto out; if (!atomic_inc_not_zero(&hard_iface->refcount)) @@ -306,38 +312,38 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface, hard_iface->if_num = bat_priv->num_ifaces; bat_priv->num_ifaces++; - hard_iface->if_status = IF_INACTIVE; + hard_iface->if_status = BATADV_IF_INACTIVE; batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces); - hard_iface->batman_adv_ptype.type = __constant_htons(ETH_P_BATMAN); + hard_iface->batman_adv_ptype.type = ethertype; hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv; hard_iface->batman_adv_ptype.dev = hard_iface->net_dev; dev_add_pack(&hard_iface->batman_adv_ptype); atomic_set(&hard_iface->frag_seqno, 1); - bat_info(hard_iface->soft_iface, "Adding interface: %s\n", - hard_iface->net_dev->name); - - if (atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu < - ETH_DATA_LEN + BAT_HEADER_LEN) - bat_info(hard_iface->soft_iface, - "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n", - hard_iface->net_dev->name, hard_iface->net_dev->mtu, - ETH_DATA_LEN + BAT_HEADER_LEN); - - if (!atomic_read(&bat_priv->fragmentation) && hard_iface->net_dev->mtu < - ETH_DATA_LEN + BAT_HEADER_LEN) - bat_info(hard_iface->soft_iface, - "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n", - hard_iface->net_dev->name, hard_iface->net_dev->mtu, - ETH_DATA_LEN + BAT_HEADER_LEN); + batadv_info(hard_iface->soft_iface, "Adding interface: %s\n", + hard_iface->net_dev->name); + + if (atomic_read(&bat_priv->fragmentation) && + hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN) + batadv_info(hard_iface->soft_iface, + "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to %zi would solve the problem.\n", + hard_iface->net_dev->name, hard_iface->net_dev->mtu, + ETH_DATA_LEN + BATADV_HEADER_LEN); + + if (!atomic_read(&bat_priv->fragmentation) && + hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN) + batadv_info(hard_iface->soft_iface, + "The MTU of interface %s is too small (%i) to handle the transport of batman-adv packets. If you experience problems getting traffic through try increasing the MTU to %zi.\n", + hard_iface->net_dev->name, hard_iface->net_dev->mtu, + ETH_DATA_LEN + BATADV_HEADER_LEN); if (batadv_hardif_is_iface_up(hard_iface)) batadv_hardif_activate_interface(hard_iface); else - bat_err(hard_iface->soft_iface, - "Not using interface %s (retrying later): interface not active\n", - hard_iface->net_dev->name); + batadv_err(hard_iface->soft_iface, + "Not using interface %s (retrying later): interface not active\n", + hard_iface->net_dev->name); /* begin scheduling originator messages on that interface */ batadv_schedule_bat_ogm(hard_iface); @@ -352,19 +358,19 @@ err: return ret; } -void batadv_hardif_disable_interface(struct hard_iface *hard_iface) +void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct hard_iface *primary_if = NULL; + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_hard_iface *primary_if = NULL; - if (hard_iface->if_status == IF_ACTIVE) + if (hard_iface->if_status == BATADV_IF_ACTIVE) batadv_hardif_deactivate_interface(hard_iface); - if (hard_iface->if_status != IF_INACTIVE) + if (hard_iface->if_status != BATADV_IF_INACTIVE) goto out; - bat_info(hard_iface->soft_iface, "Removing interface: %s\n", - hard_iface->net_dev->name); + batadv_info(hard_iface->soft_iface, "Removing interface: %s\n", + hard_iface->net_dev->name); dev_remove_pack(&hard_iface->batman_adv_ptype); bat_priv->num_ifaces--; @@ -372,7 +378,7 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface) primary_if = batadv_primary_if_get_selected(bat_priv); if (hard_iface == primary_if) { - struct hard_iface *new_if; + struct batadv_hard_iface *new_if; new_if = batadv_hardif_get_active(hard_iface->soft_iface); batadv_primary_if_select(bat_priv, new_if); @@ -382,7 +388,7 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface) } bat_priv->bat_algo_ops->bat_iface_disable(hard_iface); - hard_iface->if_status = IF_NOT_IN_USE; + hard_iface->if_status = BATADV_IF_NOT_IN_USE; /* delete all references to this hard_iface */ batadv_purge_orig_ref(bat_priv); @@ -401,10 +407,10 @@ out: batadv_hardif_free_ref(primary_if); } -static struct hard_iface * +static struct batadv_hard_iface * batadv_hardif_add_interface(struct net_device *net_dev) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; int ret; ASSERT_RTNL(); @@ -426,7 +432,7 @@ batadv_hardif_add_interface(struct net_device *net_dev) hard_iface->if_num = -1; hard_iface->net_dev = net_dev; hard_iface->soft_iface = NULL; - hard_iface->if_status = IF_NOT_IN_USE; + hard_iface->if_status = BATADV_IF_NOT_IN_USE; INIT_LIST_HEAD(&hard_iface->list); /* extra reference for return */ atomic_set(&hard_iface->refcount, 2); @@ -450,25 +456,25 @@ out: return NULL; } -static void batadv_hardif_remove_interface(struct hard_iface *hard_iface) +static void batadv_hardif_remove_interface(struct batadv_hard_iface *hard_iface) { ASSERT_RTNL(); /* first deactivate interface */ - if (hard_iface->if_status != IF_NOT_IN_USE) + if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) batadv_hardif_disable_interface(hard_iface); - if (hard_iface->if_status != IF_NOT_IN_USE) + if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) return; - hard_iface->if_status = IF_TO_BE_REMOVED; + hard_iface->if_status = BATADV_IF_TO_BE_REMOVED; batadv_sysfs_del_hardif(&hard_iface->hardif_obj); batadv_hardif_free_ref(hard_iface); } void batadv_hardif_remove_interfaces(void) { - struct hard_iface *hard_iface, *hard_iface_tmp; + struct batadv_hard_iface *hard_iface, *hard_iface_tmp; rtnl_lock(); list_for_each_entry_safe(hard_iface, hard_iface_tmp, @@ -483,10 +489,11 @@ static int batadv_hard_if_event(struct notifier_block *this, unsigned long event, void *ptr) { struct net_device *net_dev = ptr; - struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); - struct hard_iface *primary_if = NULL; - struct bat_priv *bat_priv; + struct batadv_hard_iface *hard_iface; + struct batadv_hard_iface *primary_if = NULL; + struct batadv_priv *bat_priv; + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface && event == NETDEV_REGISTER) hard_iface = batadv_hardif_add_interface(net_dev); @@ -511,7 +518,7 @@ static int batadv_hard_if_event(struct notifier_block *this, batadv_update_min_mtu(hard_iface->soft_iface); break; case NETDEV_CHANGEADDR: - if (hard_iface->if_status == IF_NOT_IN_USE) + if (hard_iface->if_status == BATADV_IF_NOT_IN_USE) goto hardif_put; batadv_check_known_mac_addr(hard_iface->net_dev); @@ -546,7 +553,7 @@ bool batadv_is_wifi_iface(int ifindex) struct net_device *net_device = NULL; bool ret = false; - if (ifindex == NULL_IFINDEX) + if (ifindex == BATADV_NULL_IFINDEX) goto out; net_device = dev_get_by_index(&init_net, ifindex); diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h index d66dabd..3732366 100644 --- a/net/batman-adv/hard-interface.h +++ b/net/batman-adv/hard-interface.h @@ -20,22 +20,22 @@ #ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_ #define _NET_BATMAN_ADV_HARD_INTERFACE_H_ -enum hard_if_state { - IF_NOT_IN_USE, - IF_TO_BE_REMOVED, - IF_INACTIVE, - IF_ACTIVE, - IF_TO_BE_ACTIVATED, - IF_I_WANT_YOU +enum batadv_hard_if_state { + BATADV_IF_NOT_IN_USE, + BATADV_IF_TO_BE_REMOVED, + BATADV_IF_INACTIVE, + BATADV_IF_ACTIVE, + BATADV_IF_TO_BE_ACTIVATED, + BATADV_IF_I_WANT_YOU, }; extern struct notifier_block batadv_hard_if_notifier; -struct hard_iface* +struct batadv_hard_iface* batadv_hardif_get_by_netdev(const struct net_device *net_dev); -int batadv_hardif_enable_interface(struct hard_iface *hard_iface, +int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, const char *iface_name); -void batadv_hardif_disable_interface(struct hard_iface *hard_iface); +void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface); void batadv_hardif_remove_interfaces(void); int batadv_hardif_min_mtu(struct net_device *soft_iface); void batadv_update_min_mtu(struct net_device *soft_iface); @@ -43,16 +43,16 @@ void batadv_hardif_free_rcu(struct rcu_head *rcu); bool batadv_is_wifi_iface(int ifindex); static inline void -batadv_hardif_free_ref(struct hard_iface *hard_iface) +batadv_hardif_free_ref(struct batadv_hard_iface *hard_iface) { if (atomic_dec_and_test(&hard_iface->refcount)) call_rcu(&hard_iface->rcu, batadv_hardif_free_rcu); } -static inline struct hard_iface * -batadv_primary_if_get_selected(struct bat_priv *bat_priv) +static inline struct batadv_hard_iface * +batadv_primary_if_get_selected(struct batadv_priv *bat_priv) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; rcu_read_lock(); hard_iface = rcu_dereference(bat_priv->primary_if); diff --git a/net/batman-adv/hash.c b/net/batman-adv/hash.c index 1fb961c..15a849c 100644 --- a/net/batman-adv/hash.c +++ b/net/batman-adv/hash.c @@ -21,18 +21,18 @@ #include "hash.h" /* clears the hash */ -static void batadv_hash_init(struct hashtable_t *hash) +static void batadv_hash_init(struct batadv_hashtable *hash) { uint32_t i; - for (i = 0 ; i < hash->size; i++) { + for (i = 0; i < hash->size; i++) { INIT_HLIST_HEAD(&hash->table[i]); spin_lock_init(&hash->list_locks[i]); } } /* free only the hashtable and the hash itself. */ -void batadv_hash_destroy(struct hashtable_t *hash) +void batadv_hash_destroy(struct batadv_hashtable *hash) { kfree(hash->list_locks); kfree(hash->table); @@ -40,9 +40,9 @@ void batadv_hash_destroy(struct hashtable_t *hash) } /* allocates and clears the hash */ -struct hashtable_t *batadv_hash_new(uint32_t size) +struct batadv_hashtable *batadv_hash_new(uint32_t size) { - struct hashtable_t *hash; + struct batadv_hashtable *hash; hash = kmalloc(sizeof(*hash), GFP_ATOMIC); if (!hash) @@ -68,7 +68,7 @@ free_hash: return NULL; } -void batadv_hash_set_lock_class(struct hashtable_t *hash, +void batadv_hash_set_lock_class(struct batadv_hashtable *hash, struct lock_class_key *key) { uint32_t i; diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h index 7ec4e5b..83990e3 100644 --- a/net/batman-adv/hash.h +++ b/net/batman-adv/hash.h @@ -25,37 +25,39 @@ /* callback to a compare function. should compare 2 element datas for their * keys, return 0 if same and not 0 if not same */ -typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *); +typedef int (*batadv_hashdata_compare_cb)(const struct hlist_node *, + const void *); /* the hashfunction, should return an index * based on the key in the data of the first * argument and the size the second */ -typedef uint32_t (*hashdata_choose_cb)(const void *, uint32_t); -typedef void (*hashdata_free_cb)(struct hlist_node *, void *); +typedef uint32_t (*batadv_hashdata_choose_cb)(const void *, uint32_t); +typedef void (*batadv_hashdata_free_cb)(struct hlist_node *, void *); -struct hashtable_t { +struct batadv_hashtable { struct hlist_head *table; /* the hashtable itself with the buckets */ spinlock_t *list_locks; /* spinlock for each hash list entry */ uint32_t size; /* size of hashtable */ }; /* allocates and clears the hash */ -struct hashtable_t *batadv_hash_new(uint32_t size); +struct batadv_hashtable *batadv_hash_new(uint32_t size); /* set class key for all locks */ -void batadv_hash_set_lock_class(struct hashtable_t *hash, +void batadv_hash_set_lock_class(struct batadv_hashtable *hash, struct lock_class_key *key); /* free only the hashtable and the hash itself. */ -void batadv_hash_destroy(struct hashtable_t *hash); +void batadv_hash_destroy(struct batadv_hashtable *hash); /* remove the hash structure. if hashdata_free_cb != NULL, this function will be * called to remove the elements inside of the hash. if you don't remove the * elements, memory might be leaked. */ -static inline void batadv_hash_delete(struct hashtable_t *hash, - hashdata_free_cb free_cb, void *arg) +static inline void batadv_hash_delete(struct batadv_hashtable *hash, + batadv_hashdata_free_cb free_cb, + void *arg) { struct hlist_head *head; struct hlist_node *node, *node_tmp; @@ -89,9 +91,9 @@ static inline void batadv_hash_delete(struct hashtable_t *hash, * Returns 0 on success, 1 if the element already is in the hash * and -1 on error. */ -static inline int batadv_hash_add(struct hashtable_t *hash, - hashdata_compare_cb compare, - hashdata_choose_cb choose, +static inline int batadv_hash_add(struct batadv_hashtable *hash, + batadv_hashdata_compare_cb compare, + batadv_hashdata_choose_cb choose, const void *data, struct hlist_node *data_node) { @@ -134,9 +136,10 @@ out: * structure you use with just the key filled, we just need the key for * comparing. */ -static inline void *batadv_hash_remove(struct hashtable_t *hash, - hashdata_compare_cb compare, - hashdata_choose_cb choose, void *data) +static inline void *batadv_hash_remove(struct batadv_hashtable *hash, + batadv_hashdata_compare_cb compare, + batadv_hashdata_choose_cb choose, + void *data) { uint32_t index; struct hlist_node *node; diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index b285c31..bde3cf747 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -26,10 +26,10 @@ #include "originator.h" #include "hard-interface.h" -static struct socket_client *batadv_socket_client_hash[256]; +static struct batadv_socket_client *batadv_socket_client_hash[256]; -static void batadv_socket_add_packet(struct socket_client *socket_client, - struct icmp_packet_rr *icmp_packet, +static void batadv_socket_add_packet(struct batadv_socket_client *socket_client, + struct batadv_icmp_packet_rr *icmp_packet, size_t icmp_len); void batadv_socket_init(void) @@ -40,7 +40,7 @@ void batadv_socket_init(void) static int batadv_socket_open(struct inode *inode, struct file *file) { unsigned int i; - struct socket_client *socket_client; + struct batadv_socket_client *socket_client; nonseekable_open(inode, file); @@ -77,8 +77,8 @@ static int batadv_socket_open(struct inode *inode, struct file *file) static int batadv_socket_release(struct inode *inode, struct file *file) { - struct socket_client *socket_client = file->private_data; - struct socket_packet *socket_packet; + struct batadv_socket_client *socket_client = file->private_data; + struct batadv_socket_packet *socket_packet; struct list_head *list_pos, *list_pos_tmp; spin_lock_bh(&socket_client->lock); @@ -86,7 +86,7 @@ static int batadv_socket_release(struct inode *inode, struct file *file) /* for all packets in the queue ... */ list_for_each_safe(list_pos, list_pos_tmp, &socket_client->queue_list) { socket_packet = list_entry(list_pos, - struct socket_packet, list); + struct batadv_socket_packet, list); list_del(list_pos); kfree(socket_packet); @@ -104,15 +104,15 @@ static int batadv_socket_release(struct inode *inode, struct file *file) static ssize_t batadv_socket_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct socket_client *socket_client = file->private_data; - struct socket_packet *socket_packet; + struct batadv_socket_client *socket_client = file->private_data; + struct batadv_socket_packet *socket_packet; size_t packet_len; int error; if ((file->f_flags & O_NONBLOCK) && (socket_client->queue_len == 0)) return -EAGAIN; - if ((!buf) || (count < sizeof(struct icmp_packet))) + if ((!buf) || (count < sizeof(struct batadv_icmp_packet))) return -EINVAL; if (!access_ok(VERIFY_WRITE, buf, count)) @@ -127,7 +127,7 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf, spin_lock_bh(&socket_client->lock); socket_packet = list_first_entry(&socket_client->queue_list, - struct socket_packet, list); + struct batadv_socket_packet, list); list_del(&socket_packet->list); socket_client->queue_len--; @@ -147,18 +147,18 @@ static ssize_t batadv_socket_read(struct file *file, char __user *buf, static ssize_t batadv_socket_write(struct file *file, const char __user *buff, size_t len, loff_t *off) { - struct socket_client *socket_client = file->private_data; - struct bat_priv *bat_priv = socket_client->bat_priv; - struct hard_iface *primary_if = NULL; + struct batadv_socket_client *socket_client = file->private_data; + struct batadv_priv *bat_priv = socket_client->bat_priv; + struct batadv_hard_iface *primary_if = NULL; struct sk_buff *skb; - struct icmp_packet_rr *icmp_packet; + struct batadv_icmp_packet_rr *icmp_packet; - struct orig_node *orig_node = NULL; - struct neigh_node *neigh_node = NULL; - size_t packet_len = sizeof(struct icmp_packet); + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *neigh_node = NULL; + size_t packet_len = sizeof(struct batadv_icmp_packet); - if (len < sizeof(struct icmp_packet)) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (len < sizeof(struct batadv_icmp_packet)) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Error - can't send packet from char device: invalid packet size\n"); return -EINVAL; } @@ -170,8 +170,8 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, goto out; } - if (len >= sizeof(struct icmp_packet_rr)) - packet_len = sizeof(struct icmp_packet_rr); + if (len >= sizeof(struct batadv_icmp_packet_rr)) + packet_len = sizeof(struct batadv_icmp_packet_rr); skb = dev_alloc_skb(packet_len + ETH_HLEN); if (!skb) { @@ -180,22 +180,22 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, } skb_reserve(skb, ETH_HLEN); - icmp_packet = (struct icmp_packet_rr *)skb_put(skb, packet_len); + icmp_packet = (struct batadv_icmp_packet_rr *)skb_put(skb, packet_len); if (copy_from_user(icmp_packet, buff, packet_len)) { len = -EFAULT; goto free_skb; } - if (icmp_packet->header.packet_type != BAT_ICMP) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (icmp_packet->header.packet_type != BATADV_ICMP) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n"); len = -EINVAL; goto free_skb; } - if (icmp_packet->msg_type != ECHO_REQUEST) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n"); len = -EINVAL; goto free_skb; @@ -203,15 +203,15 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, icmp_packet->uid = socket_client->index; - if (icmp_packet->header.version != COMPAT_VERSION) { - icmp_packet->msg_type = PARAMETER_PROBLEM; - icmp_packet->header.version = COMPAT_VERSION; + if (icmp_packet->header.version != BATADV_COMPAT_VERSION) { + icmp_packet->msg_type = BATADV_PARAMETER_PROBLEM; + icmp_packet->header.version = BATADV_COMPAT_VERSION; batadv_socket_add_packet(socket_client, icmp_packet, packet_len); goto free_skb; } - if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) + if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) goto dst_unreach; orig_node = batadv_orig_hash_find(bat_priv, icmp_packet->dst); @@ -225,13 +225,13 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, if (!neigh_node->if_incoming) goto dst_unreach; - if (neigh_node->if_incoming->if_status != IF_ACTIVE) + if (neigh_node->if_incoming->if_status != BATADV_IF_ACTIVE) goto dst_unreach; memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); - if (packet_len == sizeof(struct icmp_packet_rr)) + if (packet_len == sizeof(struct batadv_icmp_packet_rr)) memcpy(icmp_packet->rr, neigh_node->if_incoming->net_dev->dev_addr, ETH_ALEN); @@ -239,7 +239,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, goto out; dst_unreach: - icmp_packet->msg_type = DESTINATION_UNREACHABLE; + icmp_packet->msg_type = BATADV_DESTINATION_UNREACHABLE; batadv_socket_add_packet(socket_client, icmp_packet, packet_len); free_skb: kfree_skb(skb); @@ -255,7 +255,7 @@ out: static unsigned int batadv_socket_poll(struct file *file, poll_table *wait) { - struct socket_client *socket_client = file->private_data; + struct batadv_socket_client *socket_client = file->private_data; poll_wait(file, &socket_client->queue_wait, wait); @@ -275,14 +275,14 @@ static const struct file_operations batadv_fops = { .llseek = no_llseek, }; -int batadv_socket_setup(struct bat_priv *bat_priv) +int batadv_socket_setup(struct batadv_priv *bat_priv) { struct dentry *d; if (!bat_priv->debug_dir) goto err; - d = debugfs_create_file(ICMP_SOCKET, S_IFREG | S_IWUSR | S_IRUSR, + d = debugfs_create_file(BATADV_ICMP_SOCKET, S_IFREG | S_IWUSR | S_IRUSR, bat_priv->debug_dir, bat_priv, &batadv_fops); if (!d) goto err; @@ -293,11 +293,11 @@ err: return -ENOMEM; } -static void batadv_socket_add_packet(struct socket_client *socket_client, - struct icmp_packet_rr *icmp_packet, +static void batadv_socket_add_packet(struct batadv_socket_client *socket_client, + struct batadv_icmp_packet_rr *icmp_packet, size_t icmp_len) { - struct socket_packet *socket_packet; + struct batadv_socket_packet *socket_packet; socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC); @@ -324,7 +324,8 @@ static void batadv_socket_add_packet(struct socket_client *socket_client, if (socket_client->queue_len > 100) { socket_packet = list_first_entry(&socket_client->queue_list, - struct socket_packet, list); + struct batadv_socket_packet, + list); list_del(&socket_packet->list); kfree(socket_packet); @@ -336,10 +337,10 @@ static void batadv_socket_add_packet(struct socket_client *socket_client, wake_up(&socket_client->queue_wait); } -void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet, +void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet, size_t icmp_len) { - struct socket_client *hash; + struct batadv_socket_client *hash; hash = batadv_socket_client_hash[icmp_packet->uid]; if (hash) diff --git a/net/batman-adv/icmp_socket.h b/net/batman-adv/icmp_socket.h index a62ab80..29443a1 100644 --- a/net/batman-adv/icmp_socket.h +++ b/net/batman-adv/icmp_socket.h @@ -20,11 +20,11 @@ #ifndef _NET_BATMAN_ADV_ICMP_SOCKET_H_ #define _NET_BATMAN_ADV_ICMP_SOCKET_H_ -#define ICMP_SOCKET "socket" +#define BATADV_ICMP_SOCKET "socket" void batadv_socket_init(void); -int batadv_socket_setup(struct bat_priv *bat_priv); -void batadv_socket_receive_packet(struct icmp_packet_rr *icmp_packet, +int batadv_socket_setup(struct batadv_priv *bat_priv); +void batadv_socket_receive_packet(struct batadv_icmp_packet_rr *icmp_packet, size_t icmp_len); #endif /* _NET_BATMAN_ADV_ICMP_SOCKET_H_ */ diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index e456430..13c88b2 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -18,8 +18,8 @@ */ #include "main.h" -#include "bat_sysfs.h" -#include "bat_debugfs.h" +#include "sysfs.h" +#include "debugfs.h" #include "routing.h" #include "send.h" #include "originator.h" @@ -38,22 +38,23 @@ * list traversals just rcu-locked */ struct list_head batadv_hardif_list; -static int (*recv_packet_handler[256])(struct sk_buff *, struct hard_iface *); +static int (*batadv_rx_handler[256])(struct sk_buff *, + struct batadv_hard_iface *); char batadv_routing_algo[20] = "BATMAN_IV"; -static struct hlist_head bat_algo_list; +static struct hlist_head batadv_algo_list; unsigned char batadv_broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; struct workqueue_struct *batadv_event_workqueue; -static void recv_handler_init(void); +static void batadv_recv_handler_init(void); -static int __init batman_init(void) +static int __init batadv_init(void) { INIT_LIST_HEAD(&batadv_hardif_list); - INIT_HLIST_HEAD(&bat_algo_list); + INIT_HLIST_HEAD(&batadv_algo_list); - recv_handler_init(); + batadv_recv_handler_init(); batadv_iv_init(); @@ -71,12 +72,12 @@ static int __init batman_init(void) register_netdevice_notifier(&batadv_hard_if_notifier); pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) loaded\n", - SOURCE_VERSION, COMPAT_VERSION); + BATADV_SOURCE_VERSION, BATADV_COMPAT_VERSION); return 0; } -static void __exit batman_exit(void) +static void __exit batadv_exit(void) { batadv_debugfs_destroy(); unregister_netdevice_notifier(&batadv_hard_if_notifier); @@ -91,7 +92,7 @@ static void __exit batman_exit(void) int batadv_mesh_init(struct net_device *soft_iface) { - struct bat_priv *bat_priv = netdev_priv(soft_iface); + struct batadv_priv *bat_priv = netdev_priv(soft_iface); int ret; spin_lock_init(&bat_priv->forw_bat_list_lock); @@ -119,7 +120,8 @@ int batadv_mesh_init(struct net_device *soft_iface) if (ret < 0) goto err; - batadv_tt_local_add(soft_iface, soft_iface->dev_addr, NULL_IFINDEX); + batadv_tt_local_add(soft_iface, soft_iface->dev_addr, + BATADV_NULL_IFINDEX); ret = batadv_vis_init(bat_priv); if (ret < 0) @@ -130,7 +132,7 @@ int batadv_mesh_init(struct net_device *soft_iface) goto err; atomic_set(&bat_priv->gw_reselect, 0); - atomic_set(&bat_priv->mesh_state, MESH_ACTIVE); + atomic_set(&bat_priv->mesh_state, BATADV_MESH_ACTIVE); return 0; @@ -141,9 +143,9 @@ err: void batadv_mesh_free(struct net_device *soft_iface) { - struct bat_priv *bat_priv = netdev_priv(soft_iface); + struct batadv_priv *bat_priv = netdev_priv(soft_iface); - atomic_set(&bat_priv->mesh_state, MESH_DEACTIVATING); + atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING); batadv_purge_outstanding_packets(bat_priv, NULL); @@ -158,7 +160,7 @@ void batadv_mesh_free(struct net_device *soft_iface) free_percpu(bat_priv->bat_counters); - atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); + atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); } void batadv_inc_module_count(void) @@ -173,11 +175,11 @@ void batadv_dec_module_count(void) int batadv_is_my_mac(const uint8_t *addr) { - const struct hard_iface *hard_iface; + const struct batadv_hard_iface *hard_iface; rcu_read_lock(); list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) { - if (hard_iface->if_status != IF_ACTIVE) + if (hard_iface->if_status != BATADV_IF_ACTIVE) continue; if (batadv_compare_eth(hard_iface->net_dev->dev_addr, addr)) { @@ -189,8 +191,8 @@ int batadv_is_my_mac(const uint8_t *addr) return 0; } -static int recv_unhandled_packet(struct sk_buff *skb, - struct hard_iface *recv_if) +static int batadv_recv_unhandled_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if) { return NET_RX_DROP; } @@ -202,13 +204,14 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, struct net_device *orig_dev) { - struct bat_priv *bat_priv; - struct batman_ogm_packet *batman_ogm_packet; - struct hard_iface *hard_iface; + struct batadv_priv *bat_priv; + struct batadv_ogm_packet *batadv_ogm_packet; + struct batadv_hard_iface *hard_iface; uint8_t idx; int ret; - hard_iface = container_of(ptype, struct hard_iface, batman_adv_ptype); + hard_iface = container_of(ptype, struct batadv_hard_iface, + batman_adv_ptype); skb = skb_share_check(skb, GFP_ATOMIC); /* skb was released by skb_share_check() */ @@ -228,27 +231,27 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, bat_priv = netdev_priv(hard_iface->soft_iface); - if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) + if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) goto err_free; /* discard frames on not active interfaces */ - if (hard_iface->if_status != IF_ACTIVE) + if (hard_iface->if_status != BATADV_IF_ACTIVE) goto err_free; - batman_ogm_packet = (struct batman_ogm_packet *)skb->data; + batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data; - if (batman_ogm_packet->header.version != COMPAT_VERSION) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (batadv_ogm_packet->header.version != BATADV_COMPAT_VERSION) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Drop packet: incompatible batman version (%i)\n", - batman_ogm_packet->header.version); + batadv_ogm_packet->header.version); goto err_free; } /* all receive handlers return whether they received or reused * the supplied skb. if not, we have to free the skb. */ - idx = batman_ogm_packet->header.packet_type; - ret = (*recv_packet_handler[idx])(skb, hard_iface); + idx = batadv_ogm_packet->header.packet_type; + ret = (*batadv_rx_handler[idx])(skb, hard_iface); if (ret == NET_RX_DROP) kfree_skb(skb); @@ -265,51 +268,52 @@ err_out: return NET_RX_DROP; } -static void recv_handler_init(void) +static void batadv_recv_handler_init(void) { int i; - for (i = 0; i < ARRAY_SIZE(recv_packet_handler); i++) - recv_packet_handler[i] = recv_unhandled_packet; + for (i = 0; i < ARRAY_SIZE(batadv_rx_handler); i++) + batadv_rx_handler[i] = batadv_recv_unhandled_packet; /* batman icmp packet */ - recv_packet_handler[BAT_ICMP] = batadv_recv_icmp_packet; + batadv_rx_handler[BATADV_ICMP] = batadv_recv_icmp_packet; /* unicast packet */ - recv_packet_handler[BAT_UNICAST] = batadv_recv_unicast_packet; + batadv_rx_handler[BATADV_UNICAST] = batadv_recv_unicast_packet; /* fragmented unicast packet */ - recv_packet_handler[BAT_UNICAST_FRAG] = batadv_recv_ucast_frag_packet; + batadv_rx_handler[BATADV_UNICAST_FRAG] = batadv_recv_ucast_frag_packet; /* broadcast packet */ - recv_packet_handler[BAT_BCAST] = batadv_recv_bcast_packet; + batadv_rx_handler[BATADV_BCAST] = batadv_recv_bcast_packet; /* vis packet */ - recv_packet_handler[BAT_VIS] = batadv_recv_vis_packet; + batadv_rx_handler[BATADV_VIS] = batadv_recv_vis_packet; /* Translation table query (request or response) */ - recv_packet_handler[BAT_TT_QUERY] = batadv_recv_tt_query; + batadv_rx_handler[BATADV_TT_QUERY] = batadv_recv_tt_query; /* Roaming advertisement */ - recv_packet_handler[BAT_ROAM_ADV] = batadv_recv_roam_adv; + batadv_rx_handler[BATADV_ROAM_ADV] = batadv_recv_roam_adv; } -int batadv_recv_handler_register(uint8_t packet_type, - int (*recv_handler)(struct sk_buff *, - struct hard_iface *)) +int +batadv_recv_handler_register(uint8_t packet_type, + int (*recv_handler)(struct sk_buff *, + struct batadv_hard_iface *)) { - if (recv_packet_handler[packet_type] != &recv_unhandled_packet) + if (batadv_rx_handler[packet_type] != &batadv_recv_unhandled_packet) return -EBUSY; - recv_packet_handler[packet_type] = recv_handler; + batadv_rx_handler[packet_type] = recv_handler; return 0; } void batadv_recv_handler_unregister(uint8_t packet_type) { - recv_packet_handler[packet_type] = recv_unhandled_packet; + batadv_rx_handler[packet_type] = batadv_recv_unhandled_packet; } -static struct bat_algo_ops *bat_algo_get(char *name) +static struct batadv_algo_ops *batadv_algo_get(char *name) { - struct bat_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp; + struct batadv_algo_ops *bat_algo_ops = NULL, *bat_algo_ops_tmp; struct hlist_node *node; - hlist_for_each_entry(bat_algo_ops_tmp, node, &bat_algo_list, list) { + hlist_for_each_entry(bat_algo_ops_tmp, node, &batadv_algo_list, list) { if (strcmp(bat_algo_ops_tmp->name, name) != 0) continue; @@ -320,12 +324,12 @@ static struct bat_algo_ops *bat_algo_get(char *name) return bat_algo_ops; } -int batadv_algo_register(struct bat_algo_ops *bat_algo_ops) +int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops) { - struct bat_algo_ops *bat_algo_ops_tmp; + struct batadv_algo_ops *bat_algo_ops_tmp; int ret; - bat_algo_ops_tmp = bat_algo_get(bat_algo_ops->name); + bat_algo_ops_tmp = batadv_algo_get(bat_algo_ops->name); if (bat_algo_ops_tmp) { pr_info("Trying to register already registered routing algorithm: %s\n", bat_algo_ops->name); @@ -347,19 +351,19 @@ int batadv_algo_register(struct bat_algo_ops *bat_algo_ops) } INIT_HLIST_NODE(&bat_algo_ops->list); - hlist_add_head(&bat_algo_ops->list, &bat_algo_list); + hlist_add_head(&bat_algo_ops->list, &batadv_algo_list); ret = 0; out: return ret; } -int batadv_algo_select(struct bat_priv *bat_priv, char *name) +int batadv_algo_select(struct batadv_priv *bat_priv, char *name) { - struct bat_algo_ops *bat_algo_ops; + struct batadv_algo_ops *bat_algo_ops; int ret = -EINVAL; - bat_algo_ops = bat_algo_get(name); + bat_algo_ops = batadv_algo_get(name); if (!bat_algo_ops) goto out; @@ -372,28 +376,28 @@ out: int batadv_algo_seq_print_text(struct seq_file *seq, void *offset) { - struct bat_algo_ops *bat_algo_ops; + struct batadv_algo_ops *bat_algo_ops; struct hlist_node *node; seq_printf(seq, "Available routing algorithms:\n"); - hlist_for_each_entry(bat_algo_ops, node, &bat_algo_list, list) { + hlist_for_each_entry(bat_algo_ops, node, &batadv_algo_list, list) { seq_printf(seq, "%s\n", bat_algo_ops->name); } return 0; } -static int param_set_ra(const char *val, const struct kernel_param *kp) +static int batadv_param_set_ra(const char *val, const struct kernel_param *kp) { - struct bat_algo_ops *bat_algo_ops; + struct batadv_algo_ops *bat_algo_ops; char *algo_name = (char *)val; size_t name_len = strlen(algo_name); if (algo_name[name_len - 1] == '\n') algo_name[name_len - 1] = '\0'; - bat_algo_ops = bat_algo_get(algo_name); + bat_algo_ops = batadv_algo_get(algo_name); if (!bat_algo_ops) { pr_err("Routing algorithm '%s' is not supported\n", algo_name); return -EINVAL; @@ -402,23 +406,24 @@ static int param_set_ra(const char *val, const struct kernel_param *kp) return param_set_copystring(algo_name, kp); } -static const struct kernel_param_ops param_ops_ra = { - .set = param_set_ra, +static const struct kernel_param_ops batadv_param_ops_ra = { + .set = batadv_param_set_ra, .get = param_get_string, }; -static struct kparam_string __param_string_ra = { +static struct kparam_string batadv_param_string_ra = { .maxlen = sizeof(batadv_routing_algo), .string = batadv_routing_algo, }; -module_param_cb(routing_algo, ¶m_ops_ra, &__param_string_ra, 0644); -module_init(batman_init); -module_exit(batman_exit); +module_param_cb(routing_algo, &batadv_param_ops_ra, &batadv_param_string_ra, + 0644); +module_init(batadv_init); +module_exit(batadv_exit); MODULE_LICENSE("GPL"); -MODULE_AUTHOR(DRIVER_AUTHOR); -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_SUPPORTED_DEVICE(DRIVER_DEVICE); -MODULE_VERSION(SOURCE_VERSION); +MODULE_AUTHOR(BATADV_DRIVER_AUTHOR); +MODULE_DESCRIPTION(BATADV_DRIVER_DESC); +MODULE_SUPPORTED_DEVICE(BATADV_DRIVER_DEVICE); +MODULE_VERSION(BATADV_SOURCE_VERSION); diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index 2824264..b8d4ac1 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -20,100 +20,101 @@ #ifndef _NET_BATMAN_ADV_MAIN_H_ #define _NET_BATMAN_ADV_MAIN_H_ -#define DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \ - "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>" -#define DRIVER_DESC "B.A.T.M.A.N. advanced" -#define DRIVER_DEVICE "batman-adv" +#define BATADV_DRIVER_AUTHOR "Marek Lindner <lindner_marek@yahoo.de>, " \ + "Simon Wunderlich <siwu@hrz.tu-chemnitz.de>" +#define BATADV_DRIVER_DESC "B.A.T.M.A.N. advanced" +#define BATADV_DRIVER_DEVICE "batman-adv" -#ifndef SOURCE_VERSION -#define SOURCE_VERSION "2012.3.0" +#ifndef BATADV_SOURCE_VERSION +#define BATADV_SOURCE_VERSION "2012.3.0" #endif /* B.A.T.M.A.N. parameters */ -#define TQ_MAX_VALUE 255 -#define JITTER 20 +#define BATADV_TQ_MAX_VALUE 255 +#define BATADV_JITTER 20 /* Time To Live of broadcast messages */ -#define TTL 50 +#define BATADV_TTL 50 /* purge originators after time in seconds if no valid packet comes in - * -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE + * -> TODO: check influence on BATADV_TQ_LOCAL_WINDOW_SIZE */ -#define PURGE_TIMEOUT 200000 /* 200 seconds */ -#define TT_LOCAL_TIMEOUT 3600000 /* in miliseconds */ -#define TT_CLIENT_ROAM_TIMEOUT 600000 /* in miliseconds */ +#define BATADV_PURGE_TIMEOUT 200000 /* 200 seconds */ +#define BATADV_TT_LOCAL_TIMEOUT 3600000 /* in miliseconds */ +#define BATADV_TT_CLIENT_ROAM_TIMEOUT 600000 /* in miliseconds */ /* sliding packet range of received originator messages in sequence numbers * (should be a multiple of our word size) */ -#define TQ_LOCAL_WINDOW_SIZE 64 +#define BATADV_TQ_LOCAL_WINDOW_SIZE 64 /* miliseconds we have to keep pending tt_req */ -#define TT_REQUEST_TIMEOUT 3000 +#define BATADV_TT_REQUEST_TIMEOUT 3000 -#define TQ_GLOBAL_WINDOW_SIZE 5 -#define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 -#define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 -#define TQ_TOTAL_BIDRECT_LIMIT 1 +#define BATADV_TQ_GLOBAL_WINDOW_SIZE 5 +#define BATADV_TQ_LOCAL_BIDRECT_SEND_MINIMUM 1 +#define BATADV_TQ_LOCAL_BIDRECT_RECV_MINIMUM 1 +#define BATADV_TQ_TOTAL_BIDRECT_LIMIT 1 -#define TT_OGM_APPEND_MAX 3 /* number of OGMs sent with the last tt diff */ +/* number of OGMs sent with the last tt diff */ +#define BATADV_TT_OGM_APPEND_MAX 3 /* Time in which a client can roam at most ROAMING_MAX_COUNT times in * miliseconds */ -#define ROAMING_MAX_TIME 20000 -#define ROAMING_MAX_COUNT 5 +#define BATADV_ROAMING_MAX_TIME 20000 +#define BATADV_ROAMING_MAX_COUNT 5 -#define NO_FLAGS 0 +#define BATADV_NO_FLAGS 0 -#define NULL_IFINDEX 0 /* dummy ifindex used to avoid iface checks */ +#define BATADV_NULL_IFINDEX 0 /* dummy ifindex used to avoid iface checks */ -#define NUM_WORDS BITS_TO_LONGS(TQ_LOCAL_WINDOW_SIZE) +#define BATADV_NUM_WORDS BITS_TO_LONGS(BATADV_TQ_LOCAL_WINDOW_SIZE) -#define LOG_BUF_LEN 8192 /* has to be a power of 2 */ +#define BATADV_LOG_BUF_LEN 8192 /* has to be a power of 2 */ -#define VIS_INTERVAL 5000 /* 5 seconds */ +#define BATADV_VIS_INTERVAL 5000 /* 5 seconds */ /* how much worse secondary interfaces may be to be considered as bonding * candidates */ -#define BONDING_TQ_THRESHOLD 50 +#define BATADV_BONDING_TQ_THRESHOLD 50 /* should not be bigger than 512 bytes or change the size of * forw_packet->direct_link_flags */ -#define MAX_AGGREGATION_BYTES 512 -#define MAX_AGGREGATION_MS 100 +#define BATADV_MAX_AGGREGATION_BYTES 512 +#define BATADV_MAX_AGGREGATION_MS 100 -#define BLA_PERIOD_LENGTH 10000 /* 10 seconds */ -#define BLA_BACKBONE_TIMEOUT (BLA_PERIOD_LENGTH * 3) -#define BLA_CLAIM_TIMEOUT (BLA_PERIOD_LENGTH * 10) +#define BATADV_BLA_PERIOD_LENGTH 10000 /* 10 seconds */ +#define BATADV_BLA_BACKBONE_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 3) +#define BATADV_BLA_CLAIM_TIMEOUT (BATADV_BLA_PERIOD_LENGTH * 10) -#define DUPLIST_SIZE 16 -#define DUPLIST_TIMEOUT 500 /* 500 ms */ +#define BATADV_DUPLIST_SIZE 16 +#define BATADV_DUPLIST_TIMEOUT 500 /* 500 ms */ /* don't reset again within 30 seconds */ -#define RESET_PROTECTION_MS 30000 -#define EXPECTED_SEQNO_RANGE 65536 +#define BATADV_RESET_PROTECTION_MS 30000 +#define BATADV_EXPECTED_SEQNO_RANGE 65536 -enum mesh_state { - MESH_INACTIVE, - MESH_ACTIVE, - MESH_DEACTIVATING +enum batadv_mesh_state { + BATADV_MESH_INACTIVE, + BATADV_MESH_ACTIVE, + BATADV_MESH_DEACTIVATING, }; -#define BCAST_QUEUE_LEN 256 -#define BATMAN_QUEUE_LEN 256 +#define BATADV_BCAST_QUEUE_LEN 256 +#define BATADV_BATMAN_QUEUE_LEN 256 -enum uev_action { - UEV_ADD = 0, - UEV_DEL, - UEV_CHANGE +enum batadv_uev_action { + BATADV_UEV_ADD = 0, + BATADV_UEV_DEL, + BATADV_UEV_CHANGE, }; -enum uev_type { - UEV_GW = 0 +enum batadv_uev_type { + BATADV_UEV_GW = 0, }; -#define GW_THRESHOLD 50 +#define BATADV_GW_THRESHOLD 50 /* Debug Messages */ #ifdef pr_fmt @@ -123,12 +124,12 @@ enum uev_type { #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* all messages related to routing / flooding / broadcasting / etc */ -enum dbg_level { - DBG_BATMAN = 1 << 0, - DBG_ROUTES = 1 << 1, /* route added / changed / deleted */ - DBG_TT = 1 << 2, /* translation table operations */ - DBG_BLA = 1 << 3, /* bridge loop avoidance */ - DBG_ALL = 15 +enum batadv_dbg_level { + BATADV_DBG_BATMAN = 1 << 0, + BATADV_DBG_ROUTES = 1 << 1, /* route added / changed / deleted */ + BATADV_DBG_TT = 1 << 2, /* translation table operations */ + BATADV_DBG_BLA = 1 << 3, /* bridge loop avoidance */ + BATADV_DBG_ALL = 15, }; /* Kernel headers */ @@ -163,16 +164,17 @@ int batadv_is_my_mac(const uint8_t *addr); int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, struct packet_type *ptype, struct net_device *orig_dev); -int batadv_recv_handler_register(uint8_t packet_type, - int (*recv_handler)(struct sk_buff *, - struct hard_iface *)); +int +batadv_recv_handler_register(uint8_t packet_type, + int (*recv_handler)(struct sk_buff *, + struct batadv_hard_iface *)); void batadv_recv_handler_unregister(uint8_t packet_type); -int batadv_algo_register(struct bat_algo_ops *bat_algo_ops); -int batadv_algo_select(struct bat_priv *bat_priv, char *name); +int batadv_algo_register(struct batadv_algo_ops *bat_algo_ops); +int batadv_algo_select(struct batadv_priv *bat_priv, char *name); int batadv_algo_seq_print_text(struct seq_file *seq, void *offset); #ifdef CONFIG_BATMAN_ADV_DEBUG -int batadv_debug_log(struct bat_priv *bat_priv, const char *fmt, ...) +int batadv_debug_log(struct batadv_priv *bat_priv, const char *fmt, ...) __printf(2, 3); #define batadv_dbg(type, bat_priv, fmt, arg...) \ @@ -184,24 +186,24 @@ __printf(2, 3); #else /* !CONFIG_BATMAN_ADV_DEBUG */ __printf(3, 4) static inline void batadv_dbg(int type __always_unused, - struct bat_priv *bat_priv __always_unused, + struct batadv_priv *bat_priv __always_unused, const char *fmt __always_unused, ...) { } #endif -#define bat_info(net_dev, fmt, arg...) \ +#define batadv_info(net_dev, fmt, arg...) \ do { \ struct net_device *_netdev = (net_dev); \ - struct bat_priv *_batpriv = netdev_priv(_netdev); \ - batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ + struct batadv_priv *_batpriv = netdev_priv(_netdev); \ + batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \ pr_info("%s: " fmt, _netdev->name, ## arg); \ } while (0) -#define bat_err(net_dev, fmt, arg...) \ +#define batadv_err(net_dev, fmt, arg...) \ do { \ struct net_device *_netdev = (net_dev); \ - struct bat_priv *_batpriv = netdev_priv(_netdev); \ - batadv_dbg(DBG_ALL, _batpriv, fmt, ## arg); \ + struct batadv_priv *_batpriv = netdev_priv(_netdev); \ + batadv_dbg(BATADV_DBG_ALL, _batpriv, fmt, ## arg); \ pr_err("%s: " fmt, _netdev->name, ## arg); \ } while (0) @@ -226,10 +228,10 @@ static inline bool batadv_has_timed_out(unsigned long timestamp, return time_is_before_jiffies(timestamp + msecs_to_jiffies(timeout)); } -#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) +#define batadv_atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0) /* Returns the smallest signed integer in two's complement with the sizeof x */ -#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u))) +#define batadv_smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u))) /* Checks if a sequence number x is a predecessor/successor of y. * they handle overflows/underflows and can correctly check for a @@ -241,15 +243,15 @@ static inline bool batadv_has_timed_out(unsigned long timestamp, * - when adding 128 - it is neither a predecessor nor a successor, * - after adding more than 127 to the starting value - it is a successor */ -#define seq_before(x, y) ({typeof(x) _d1 = (x); \ - typeof(y) _d2 = (y); \ - typeof(x) _dummy = (_d1 - _d2); \ - (void) (&_d1 == &_d2); \ - _dummy > smallest_signed_int(_dummy); }) -#define seq_after(x, y) seq_before(y, x) +#define batadv_seq_before(x, y) ({typeof(x) _d1 = (x); \ + typeof(y) _d2 = (y); \ + typeof(x) _dummy = (_d1 - _d2); \ + (void) (&_d1 == &_d2); \ + _dummy > batadv_smallest_signed_int(_dummy); }) +#define batadv_seq_after(x, y) batadv_seq_before(y, x) /* Stop preemption on local cpu while incrementing the counter */ -static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx, +static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx, size_t count) { int cpu = get_cpu(); @@ -260,11 +262,11 @@ static inline void batadv_add_counter(struct bat_priv *bat_priv, size_t idx, #define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1) /* Sum and return the cpu-local counters for index 'idx' */ -static inline uint64_t batadv_sum_counter(struct bat_priv *bat_priv, size_t idx) +static inline uint64_t batadv_sum_counter(struct batadv_priv *bat_priv, + size_t idx) { - uint64_t *counters; + uint64_t *counters, sum = 0; int cpu; - int sum = 0; for_each_possible_cpu(cpu) { counters = per_cpu_ptr(bat_priv->bat_counters, cpu); diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index bf9ec39a..ac9bdf8 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -30,7 +30,7 @@ static void batadv_purge_orig(struct work_struct *work); -static void batadv_start_purge_timer(struct bat_priv *bat_priv) +static void batadv_start_purge_timer(struct batadv_priv *bat_priv) { INIT_DELAYED_WORK(&bat_priv->orig_work, batadv_purge_orig); queue_delayed_work(batadv_event_workqueue, @@ -40,12 +40,13 @@ static void batadv_start_purge_timer(struct bat_priv *bat_priv) /* returns 1 if they are the same originator */ static int batadv_compare_orig(const struct hlist_node *node, const void *data2) { - const void *data1 = container_of(node, struct orig_node, hash_entry); + const void *data1 = container_of(node, struct batadv_orig_node, + hash_entry); return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); } -int batadv_originator_init(struct bat_priv *bat_priv) +int batadv_originator_init(struct batadv_priv *bat_priv) { if (bat_priv->orig_hash) return 0; @@ -62,16 +63,17 @@ err: return -ENOMEM; } -void batadv_neigh_node_free_ref(struct neigh_node *neigh_node) +void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node) { if (atomic_dec_and_test(&neigh_node->refcount)) kfree_rcu(neigh_node, rcu); } /* increases the refcounter of a found router */ -struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node) +struct batadv_neigh_node * +batadv_orig_node_get_router(struct batadv_orig_node *orig_node) { - struct neigh_node *router; + struct batadv_neigh_node *router; rcu_read_lock(); router = rcu_dereference(orig_node->router); @@ -83,12 +85,12 @@ struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node) return router; } -struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface, - const uint8_t *neigh_addr, - uint32_t seqno) +struct batadv_neigh_node * +batadv_neigh_node_new(struct batadv_hard_iface *hard_iface, + const uint8_t *neigh_addr, uint32_t seqno) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct neigh_node *neigh_node; + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_neigh_node *neigh_node; neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC); if (!neigh_node) @@ -102,7 +104,7 @@ struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface, /* extra reference for return */ atomic_set(&neigh_node->refcount, 2); - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Creating new neighbor %pM, initial seqno %d\n", neigh_addr, seqno); @@ -113,10 +115,10 @@ out: static void batadv_orig_node_free_rcu(struct rcu_head *rcu) { struct hlist_node *node, *node_tmp; - struct neigh_node *neigh_node, *tmp_neigh_node; - struct orig_node *orig_node; + struct batadv_neigh_node *neigh_node, *tmp_neigh_node; + struct batadv_orig_node *orig_node; - orig_node = container_of(rcu, struct orig_node, rcu); + orig_node = container_of(rcu, struct batadv_orig_node, rcu); spin_lock_bh(&orig_node->neigh_list_lock); @@ -146,19 +148,19 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu) kfree(orig_node); } -void batadv_orig_node_free_ref(struct orig_node *orig_node) +void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node) { if (atomic_dec_and_test(&orig_node->refcount)) call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu); } -void batadv_originator_free(struct bat_priv *bat_priv) +void batadv_originator_free(struct batadv_priv *bat_priv) { - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* spinlock to protect write access */ - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; uint32_t i; if (!hash) @@ -188,19 +190,20 @@ void batadv_originator_free(struct bat_priv *bat_priv) /* this function finds or creates an originator entry for the given * address if it does not exits */ -struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv, - const uint8_t *addr) +struct batadv_orig_node *batadv_get_orig_node(struct batadv_priv *bat_priv, + const uint8_t *addr) { - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; int size; int hash_added; + unsigned long reset_time; orig_node = batadv_orig_hash_find(bat_priv, addr); if (orig_node) return orig_node; - batadv_dbg(DBG_BATMAN, bat_priv, "Creating new originator: %pM\n", - addr); + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, + "Creating new originator: %pM\n", addr); orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC); if (!orig_node) @@ -226,14 +229,13 @@ struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv, orig_node->tt_buff = NULL; orig_node->tt_buff_len = 0; atomic_set(&orig_node->tt_size, 0); - orig_node->bcast_seqno_reset = jiffies - 1 - - msecs_to_jiffies(RESET_PROTECTION_MS); - orig_node->batman_seqno_reset = jiffies - 1 - - msecs_to_jiffies(RESET_PROTECTION_MS); + reset_time = jiffies - 1 - msecs_to_jiffies(BATADV_RESET_PROTECTION_MS); + orig_node->bcast_seqno_reset = reset_time; + orig_node->batman_seqno_reset = reset_time; atomic_set(&orig_node->bond_candidates, 0); - size = bat_priv->num_ifaces * sizeof(unsigned long) * NUM_WORDS; + size = bat_priv->num_ifaces * sizeof(unsigned long) * BATADV_NUM_WORDS; orig_node->bcast_own = kzalloc(size, GFP_ATOMIC); if (!orig_node->bcast_own) @@ -264,15 +266,16 @@ free_orig_node: return NULL; } -static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv, - struct orig_node *orig_node, - struct neigh_node **best_neigh_node) +static bool +batadv_purge_orig_neighbors(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + struct batadv_neigh_node **best_neigh_node) { struct hlist_node *node, *node_tmp; - struct neigh_node *neigh_node; + struct batadv_neigh_node *neigh_node; bool neigh_purged = false; unsigned long last_seen; - struct hard_iface *if_incoming; + struct batadv_hard_iface *if_incoming; *best_neigh_node = NULL; @@ -285,20 +288,20 @@ static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv, last_seen = neigh_node->last_seen; if_incoming = neigh_node->if_incoming; - if ((batadv_has_timed_out(last_seen, PURGE_TIMEOUT)) || - (if_incoming->if_status == IF_INACTIVE) || - (if_incoming->if_status == IF_NOT_IN_USE) || - (if_incoming->if_status == IF_TO_BE_REMOVED)) { + if ((batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT)) || + (if_incoming->if_status == BATADV_IF_INACTIVE) || + (if_incoming->if_status == BATADV_IF_NOT_IN_USE) || + (if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) { - if ((if_incoming->if_status == IF_INACTIVE) || - (if_incoming->if_status == IF_NOT_IN_USE) || - (if_incoming->if_status == IF_TO_BE_REMOVED)) - batadv_dbg(DBG_BATMAN, bat_priv, + if ((if_incoming->if_status == BATADV_IF_INACTIVE) || + (if_incoming->if_status == BATADV_IF_NOT_IN_USE) || + (if_incoming->if_status == BATADV_IF_TO_BE_REMOVED)) + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "neighbor purge: originator %pM, neighbor: %pM, iface: %s\n", orig_node->orig, neigh_node->addr, if_incoming->net_dev->name); else - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "neighbor timeout: originator %pM, neighbor: %pM, last_seen: %u\n", orig_node->orig, neigh_node->addr, jiffies_to_msecs(last_seen)); @@ -319,13 +322,14 @@ static bool batadv_purge_orig_neighbors(struct bat_priv *bat_priv, return neigh_purged; } -static bool batadv_purge_orig_node(struct bat_priv *bat_priv, - struct orig_node *orig_node) +static bool batadv_purge_orig_node(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node) { - struct neigh_node *best_neigh_node; + struct batadv_neigh_node *best_neigh_node; - if (batadv_has_timed_out(orig_node->last_seen, 2 * PURGE_TIMEOUT)) { - batadv_dbg(DBG_BATMAN, bat_priv, + if (batadv_has_timed_out(orig_node->last_seen, + 2 * BATADV_PURGE_TIMEOUT)) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Originator timeout: originator %pM, last_seen %u\n", orig_node->orig, jiffies_to_msecs(orig_node->last_seen)); @@ -340,13 +344,13 @@ static bool batadv_purge_orig_node(struct bat_priv *bat_priv, return false; } -static void _batadv_purge_orig(struct bat_priv *bat_priv) +static void _batadv_purge_orig(struct batadv_priv *bat_priv) { - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* spinlock to protect write access */ - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; uint32_t i; if (!hash) @@ -370,7 +374,7 @@ static void _batadv_purge_orig(struct bat_priv *bat_priv) } if (batadv_has_timed_out(orig_node->last_frag_packet, - FRAG_TIMEOUT)) + BATADV_FRAG_TIMEOUT)) batadv_frag_list_free(&orig_node->frag_list); } spin_unlock_bh(list_lock); @@ -382,16 +386,16 @@ static void _batadv_purge_orig(struct bat_priv *bat_priv) static void batadv_purge_orig(struct work_struct *work) { - struct delayed_work *delayed_work = - container_of(work, struct delayed_work, work); - struct bat_priv *bat_priv = - container_of(delayed_work, struct bat_priv, orig_work); + struct delayed_work *delayed_work; + struct batadv_priv *bat_priv; + delayed_work = container_of(work, struct delayed_work, work); + bat_priv = container_of(delayed_work, struct batadv_priv, orig_work); _batadv_purge_orig(bat_priv); batadv_start_purge_timer(bat_priv); } -void batadv_purge_orig_ref(struct bat_priv *bat_priv) +void batadv_purge_orig_ref(struct batadv_priv *bat_priv) { _batadv_purge_orig(bat_priv); } @@ -399,16 +403,17 @@ void batadv_purge_orig_ref(struct bat_priv *bat_priv) int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) { struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; - struct hard_iface *primary_if; - struct orig_node *orig_node; - struct neigh_node *neigh_node, *neigh_node_tmp; + struct batadv_hard_iface *primary_if; + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *neigh_node, *neigh_node_tmp; int batman_count = 0; int last_seen_secs; int last_seen_msecs; + unsigned long last_seen_jiffies; uint32_t i; int ret = 0; @@ -421,7 +426,7 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) goto out; } - if (primary_if->if_status != IF_ACTIVE) { + if (primary_if->if_status != BATADV_IF_ACTIVE) { ret = seq_printf(seq, "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); @@ -429,11 +434,11 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) } seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n", - SOURCE_VERSION, primary_if->net_dev->name, + BATADV_SOURCE_VERSION, primary_if->net_dev->name, primary_if->net_dev->dev_addr, net_dev->name); seq_printf(seq, " %-15s %s (%s/%i) %17s [%10s]: %20s ...\n", - "Originator", "last-seen", "#", TQ_MAX_VALUE, "Nexthop", - "outgoingIF", "Potential nexthops"); + "Originator", "last-seen", "#", BATADV_TQ_MAX_VALUE, + "Nexthop", "outgoingIF", "Potential nexthops"); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -447,10 +452,10 @@ int batadv_orig_seq_print_text(struct seq_file *seq, void *offset) if (neigh_node->tq_avg == 0) goto next; - last_seen_secs = jiffies_to_msecs(jiffies - - orig_node->last_seen) / 1000; - last_seen_msecs = jiffies_to_msecs(jiffies - - orig_node->last_seen) % 1000; + last_seen_jiffies = jiffies - orig_node->last_seen; + last_seen_msecs = jiffies_to_msecs(last_seen_jiffies); + last_seen_secs = last_seen_msecs / 1000; + last_seen_msecs = last_seen_msecs % 1000; seq_printf(seq, "%pM %4i.%03is (%3i) %pM [%10s]:", orig_node->orig, last_seen_secs, @@ -483,17 +488,19 @@ out: return ret; } -static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num) +static int batadv_orig_node_add_if(struct batadv_orig_node *orig_node, + int max_if_num) { void *data_ptr; + size_t data_size, old_size; - data_ptr = kmalloc(max_if_num * sizeof(unsigned long) * NUM_WORDS, - GFP_ATOMIC); + data_size = max_if_num * sizeof(unsigned long) * BATADV_NUM_WORDS; + old_size = (max_if_num - 1) * sizeof(unsigned long) * BATADV_NUM_WORDS; + data_ptr = kmalloc(data_size, GFP_ATOMIC); if (!data_ptr) return -ENOMEM; - memcpy(data_ptr, orig_node->bcast_own, - (max_if_num - 1) * sizeof(unsigned long) * NUM_WORDS); + memcpy(data_ptr, orig_node->bcast_own, old_size); kfree(orig_node->bcast_own); orig_node->bcast_own = data_ptr; @@ -509,13 +516,14 @@ static int batadv_orig_node_add_if(struct orig_node *orig_node, int max_if_num) return 0; } -int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num) +int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface, + int max_if_num) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; uint32_t i; int ret; @@ -544,7 +552,7 @@ err: return -ENOMEM; } -static int batadv_orig_node_del_if(struct orig_node *orig_node, +static int batadv_orig_node_del_if(struct batadv_orig_node *orig_node, int max_if_num, int del_if_num) { void *data_ptr = NULL; @@ -554,7 +562,7 @@ static int batadv_orig_node_del_if(struct orig_node *orig_node, if (max_if_num == 0) goto free_bcast_own; - chunk_size = sizeof(unsigned long) * NUM_WORDS; + chunk_size = sizeof(unsigned long) * BATADV_NUM_WORDS; data_ptr = kmalloc(max_if_num * chunk_size, GFP_ATOMIC); if (!data_ptr) return -ENOMEM; @@ -592,14 +600,15 @@ free_own_sum: return 0; } -int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num) +int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface, + int max_if_num) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct hard_iface *hard_iface_tmp; - struct orig_node *orig_node; + struct batadv_hard_iface *hard_iface_tmp; + struct batadv_orig_node *orig_node; uint32_t i; int ret; @@ -625,7 +634,7 @@ int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num) /* renumber remaining batman interfaces _inside_ of orig_hash_lock */ rcu_read_lock(); list_for_each_entry_rcu(hard_iface_tmp, &batadv_hardif_list, list) { - if (hard_iface_tmp->if_status == IF_NOT_IN_USE) + if (hard_iface_tmp->if_status == BATADV_IF_NOT_IN_USE) continue; if (hard_iface == hard_iface_tmp) diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h index 35f67eb..9778e65 100644 --- a/net/batman-adv/originator.h +++ b/net/batman-adv/originator.h @@ -22,20 +22,23 @@ #include "hash.h" -int batadv_originator_init(struct bat_priv *bat_priv); -void batadv_originator_free(struct bat_priv *bat_priv); -void batadv_purge_orig_ref(struct bat_priv *bat_priv); -void batadv_orig_node_free_ref(struct orig_node *orig_node); -struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv, - const uint8_t *addr); -struct neigh_node *batadv_neigh_node_new(struct hard_iface *hard_iface, - const uint8_t *neigh_addr, - uint32_t seqno); -void batadv_neigh_node_free_ref(struct neigh_node *neigh_node); -struct neigh_node *batadv_orig_node_get_router(struct orig_node *orig_node); +int batadv_originator_init(struct batadv_priv *bat_priv); +void batadv_originator_free(struct batadv_priv *bat_priv); +void batadv_purge_orig_ref(struct batadv_priv *bat_priv); +void batadv_orig_node_free_ref(struct batadv_orig_node *orig_node); +struct batadv_orig_node *batadv_get_orig_node(struct batadv_priv *bat_priv, + const uint8_t *addr); +struct batadv_neigh_node * +batadv_neigh_node_new(struct batadv_hard_iface *hard_iface, + const uint8_t *neigh_addr, uint32_t seqno); +void batadv_neigh_node_free_ref(struct batadv_neigh_node *neigh_node); +struct batadv_neigh_node * +batadv_orig_node_get_router(struct batadv_orig_node *orig_node); int batadv_orig_seq_print_text(struct seq_file *seq, void *offset); -int batadv_orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num); -int batadv_orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num); +int batadv_orig_hash_add_if(struct batadv_hard_iface *hard_iface, + int max_if_num); +int batadv_orig_hash_del_if(struct batadv_hard_iface *hard_iface, + int max_if_num); /* hashfunction to choose an entry in a hash table of given size @@ -60,13 +63,13 @@ static inline uint32_t batadv_choose_orig(const void *data, uint32_t size) return hash % size; } -static inline struct orig_node *batadv_orig_hash_find(struct bat_priv *bat_priv, - const void *data) +static inline struct batadv_orig_node * +batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data) { - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_head *head; struct hlist_node *node; - struct orig_node *orig_node, *orig_node_tmp = NULL; + struct batadv_orig_node *orig_node, *orig_node_tmp = NULL; int index; if (!hash) diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index c90219c..8d3e55a 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -20,101 +20,101 @@ #ifndef _NET_BATMAN_ADV_PACKET_H_ #define _NET_BATMAN_ADV_PACKET_H_ -#define ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ - -enum bat_packettype { - BAT_IV_OGM = 0x01, - BAT_ICMP = 0x02, - BAT_UNICAST = 0x03, - BAT_BCAST = 0x04, - BAT_VIS = 0x05, - BAT_UNICAST_FRAG = 0x06, - BAT_TT_QUERY = 0x07, - BAT_ROAM_ADV = 0x08 +#define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ + +enum batadv_packettype { + BATADV_IV_OGM = 0x01, + BATADV_ICMP = 0x02, + BATADV_UNICAST = 0x03, + BATADV_BCAST = 0x04, + BATADV_VIS = 0x05, + BATADV_UNICAST_FRAG = 0x06, + BATADV_TT_QUERY = 0x07, + BATADV_ROAM_ADV = 0x08, }; /* this file is included by batctl which needs these defines */ -#define COMPAT_VERSION 14 +#define BATADV_COMPAT_VERSION 14 -enum batman_iv_flags { - NOT_BEST_NEXT_HOP = 1 << 3, - PRIMARIES_FIRST_HOP = 1 << 4, - VIS_SERVER = 1 << 5, - DIRECTLINK = 1 << 6 +enum batadv_iv_flags { + BATADV_NOT_BEST_NEXT_HOP = 1 << 3, + BATADV_PRIMARIES_FIRST_HOP = 1 << 4, + BATADV_VIS_SERVER = 1 << 5, + BATADV_DIRECTLINK = 1 << 6, }; /* ICMP message types */ -enum icmp_packettype { - ECHO_REPLY = 0, - DESTINATION_UNREACHABLE = 3, - ECHO_REQUEST = 8, - TTL_EXCEEDED = 11, - PARAMETER_PROBLEM = 12 +enum batadv_icmp_packettype { + BATADV_ECHO_REPLY = 0, + BATADV_DESTINATION_UNREACHABLE = 3, + BATADV_ECHO_REQUEST = 8, + BATADV_TTL_EXCEEDED = 11, + BATADV_PARAMETER_PROBLEM = 12, }; /* vis defines */ -enum vis_packettype { - VIS_TYPE_SERVER_SYNC = 0, - VIS_TYPE_CLIENT_UPDATE = 1 +enum batadv_vis_packettype { + BATADV_VIS_TYPE_SERVER_SYNC = 0, + BATADV_VIS_TYPE_CLIENT_UPDATE = 1, }; /* fragmentation defines */ -enum unicast_frag_flags { - UNI_FRAG_HEAD = 1 << 0, - UNI_FRAG_LARGETAIL = 1 << 1 +enum batadv_unicast_frag_flags { + BATADV_UNI_FRAG_HEAD = 1 << 0, + BATADV_UNI_FRAG_LARGETAIL = 1 << 1, }; /* TT_QUERY subtypes */ -#define TT_QUERY_TYPE_MASK 0x3 +#define BATADV_TT_QUERY_TYPE_MASK 0x3 -enum tt_query_packettype { - TT_REQUEST = 0, - TT_RESPONSE = 1 +enum batadv_tt_query_packettype { + BATADV_TT_REQUEST = 0, + BATADV_TT_RESPONSE = 1, }; /* TT_QUERY flags */ -enum tt_query_flags { - TT_FULL_TABLE = 1 << 2 +enum batadv_tt_query_flags { + BATADV_TT_FULL_TABLE = 1 << 2, }; -/* TT_CLIENT flags. +/* BATADV_TT_CLIENT flags. * Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to * 1 << 15 are used for local computation only */ -enum tt_client_flags { - TT_CLIENT_DEL = 1 << 0, - TT_CLIENT_ROAM = 1 << 1, - TT_CLIENT_WIFI = 1 << 2, - TT_CLIENT_NOPURGE = 1 << 8, - TT_CLIENT_NEW = 1 << 9, - TT_CLIENT_PENDING = 1 << 10 +enum batadv_tt_client_flags { + BATADV_TT_CLIENT_DEL = 1 << 0, + BATADV_TT_CLIENT_ROAM = 1 << 1, + BATADV_TT_CLIENT_WIFI = 1 << 2, + BATADV_TT_CLIENT_NOPURGE = 1 << 8, + BATADV_TT_CLIENT_NEW = 1 << 9, + BATADV_TT_CLIENT_PENDING = 1 << 10, }; /* claim frame types for the bridge loop avoidance */ -enum bla_claimframe { - CLAIM_TYPE_ADD = 0x00, - CLAIM_TYPE_DEL = 0x01, - CLAIM_TYPE_ANNOUNCE = 0x02, - CLAIM_TYPE_REQUEST = 0x03 +enum batadv_bla_claimframe { + BATADV_CLAIM_TYPE_ADD = 0x00, + BATADV_CLAIM_TYPE_DEL = 0x01, + BATADV_CLAIM_TYPE_ANNOUNCE = 0x02, + BATADV_CLAIM_TYPE_REQUEST = 0x03, }; /* the destination hardware field in the ARP frame is used to * transport the claim type and the group id */ -struct bla_claim_dst { +struct batadv_bla_claim_dst { uint8_t magic[3]; /* FF:43:05 */ uint8_t type; /* bla_claimframe */ __be16 group; /* group id */ } __packed; -struct batman_header { +struct batadv_header { uint8_t packet_type; uint8_t version; /* batman version field */ uint8_t ttl; } __packed; -struct batman_ogm_packet { - struct batman_header header; +struct batadv_ogm_packet { + struct batadv_header header; uint8_t flags; /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */ __be32 seqno; uint8_t orig[ETH_ALEN]; @@ -126,10 +126,10 @@ struct batman_ogm_packet { __be16 tt_crc; } __packed; -#define BATMAN_OGM_HLEN sizeof(struct batman_ogm_packet) +#define BATADV_OGM_HLEN sizeof(struct batadv_ogm_packet) -struct icmp_packet { - struct batman_header header; +struct batadv_icmp_packet { + struct batadv_header header; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[ETH_ALEN]; uint8_t orig[ETH_ALEN]; @@ -138,30 +138,30 @@ struct icmp_packet { uint8_t reserved; } __packed; -#define BAT_RR_LEN 16 +#define BATADV_RR_LEN 16 /* icmp_packet_rr must start with all fields from imcp_packet * as this is assumed by code that handles ICMP packets */ -struct icmp_packet_rr { - struct batman_header header; +struct batadv_icmp_packet_rr { + struct batadv_header header; uint8_t msg_type; /* see ICMP message types above */ uint8_t dst[ETH_ALEN]; uint8_t orig[ETH_ALEN]; __be16 seqno; uint8_t uid; uint8_t rr_cur; - uint8_t rr[BAT_RR_LEN][ETH_ALEN]; + uint8_t rr[BATADV_RR_LEN][ETH_ALEN]; } __packed; -struct unicast_packet { - struct batman_header header; +struct batadv_unicast_packet { + struct batadv_header header; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[ETH_ALEN]; } __packed; -struct unicast_frag_packet { - struct batman_header header; +struct batadv_unicast_frag_packet { + struct batadv_header header; uint8_t ttvn; /* destination translation table version number */ uint8_t dest[ETH_ALEN]; uint8_t flags; @@ -170,15 +170,15 @@ struct unicast_frag_packet { __be16 seqno; } __packed; -struct bcast_packet { - struct batman_header header; +struct batadv_bcast_packet { + struct batadv_header header; uint8_t reserved; __be32 seqno; uint8_t orig[ETH_ALEN]; } __packed; -struct vis_packet { - struct batman_header header; +struct batadv_vis_packet { + struct batadv_header header; uint8_t vis_type; /* which type of vis-participant sent this? */ __be32 seqno; /* sequence number */ uint8_t entries; /* number of entries behind this struct */ @@ -188,8 +188,8 @@ struct vis_packet { uint8_t sender_orig[ETH_ALEN]; /* who sent or forwarded this packet */ } __packed; -struct tt_query_packet { - struct batman_header header; +struct batadv_tt_query_packet { + struct batadv_header header; /* the flag field is a combination of: * - TT_REQUEST or TT_RESPONSE * - TT_FULL_TABLE @@ -212,15 +212,15 @@ struct tt_query_packet { __be16 tt_data; } __packed; -struct roam_adv_packet { - struct batman_header header; +struct batadv_roam_adv_packet { + struct batadv_header header; uint8_t reserved; uint8_t dst[ETH_ALEN]; uint8_t src[ETH_ALEN]; uint8_t client[ETH_ALEN]; } __packed; -struct tt_change { +struct batadv_tt_change { uint8_t flags; uint8_t addr[ETH_ALEN]; } __packed; diff --git a/net/batman-adv/ring_buffer.c b/net/batman-adv/ring_buffer.c index aff1ca2..c8f61e3 100644 --- a/net/batman-adv/ring_buffer.c +++ b/net/batman-adv/ring_buffer.c @@ -24,7 +24,7 @@ void batadv_ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value) { lq_recv[*lq_index] = value; - *lq_index = (*lq_index + 1) % TQ_GLOBAL_WINDOW_SIZE; + *lq_index = (*lq_index + 1) % BATADV_TQ_GLOBAL_WINDOW_SIZE; } uint8_t batadv_ring_buffer_avg(const uint8_t lq_recv[]) @@ -34,7 +34,7 @@ uint8_t batadv_ring_buffer_avg(const uint8_t lq_recv[]) ptr = lq_recv; - while (i < TQ_GLOBAL_WINDOW_SIZE) { + while (i < BATADV_TQ_GLOBAL_WINDOW_SIZE) { if (*ptr != 0) { count++; sum += *ptr; diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index e7ee40d..bc2b88b 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -30,18 +30,19 @@ #include "bridge_loop_avoidance.h" static int batadv_route_unicast_packet(struct sk_buff *skb, - struct hard_iface *recv_if); + struct batadv_hard_iface *recv_if); -void batadv_slide_own_bcast_window(struct hard_iface *hard_iface) +void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; unsigned long *word; uint32_t i; size_t word_index; + uint8_t *w; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -49,42 +50,42 @@ void batadv_slide_own_bcast_window(struct hard_iface *hard_iface) rcu_read_lock(); hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { spin_lock_bh(&orig_node->ogm_cnt_lock); - word_index = hard_iface->if_num * NUM_WORDS; + word_index = hard_iface->if_num * BATADV_NUM_WORDS; word = &(orig_node->bcast_own[word_index]); batadv_bit_get_packet(bat_priv, word, 1, 0); - orig_node->bcast_own_sum[hard_iface->if_num] = - bitmap_weight(word, TQ_LOCAL_WINDOW_SIZE); + w = &orig_node->bcast_own_sum[hard_iface->if_num]; + *w = bitmap_weight(word, BATADV_TQ_LOCAL_WINDOW_SIZE); spin_unlock_bh(&orig_node->ogm_cnt_lock); } rcu_read_unlock(); } } -static void _batadv_update_route(struct bat_priv *bat_priv, - struct orig_node *orig_node, - struct neigh_node *neigh_node) +static void _batadv_update_route(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node) { - struct neigh_node *curr_router; + struct batadv_neigh_node *curr_router; curr_router = batadv_orig_node_get_router(orig_node); /* route deleted */ if ((curr_router) && (!neigh_node)) { - batadv_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n", - orig_node->orig); + batadv_dbg(BATADV_DBG_ROUTES, bat_priv, + "Deleting route towards: %pM\n", orig_node->orig); batadv_tt_global_del_orig(bat_priv, orig_node, "Deleted route towards originator"); /* route added */ } else if ((!curr_router) && (neigh_node)) { - batadv_dbg(DBG_ROUTES, bat_priv, + batadv_dbg(BATADV_DBG_ROUTES, bat_priv, "Adding route towards: %pM (via %pM)\n", orig_node->orig, neigh_node->addr); /* route changed */ } else if (neigh_node && curr_router) { - batadv_dbg(DBG_ROUTES, bat_priv, + batadv_dbg(BATADV_DBG_ROUTES, bat_priv, "Changing route towards: %pM (now via %pM - was via %pM)\n", orig_node->orig, neigh_node->addr, curr_router->addr); @@ -106,10 +107,11 @@ static void _batadv_update_route(struct bat_priv *bat_priv, batadv_neigh_node_free_ref(curr_router); } -void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node, - struct neigh_node *neigh_node) +void batadv_update_route(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node) { - struct neigh_node *router = NULL; + struct batadv_neigh_node *router = NULL; if (!orig_node) goto out; @@ -125,8 +127,8 @@ out: } /* caller must hold the neigh_list_lock */ -void batadv_bonding_candidate_del(struct orig_node *orig_node, - struct neigh_node *neigh_node) +void batadv_bonding_candidate_del(struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node) { /* this neighbor is not part of our candidate list */ if (list_empty(&neigh_node->bonding_list)) @@ -141,11 +143,11 @@ out: return; } -void batadv_bonding_candidate_add(struct orig_node *orig_node, - struct neigh_node *neigh_node) +void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node) { struct hlist_node *node; - struct neigh_node *tmp_neigh_node, *router = NULL; + struct batadv_neigh_node *tmp_neigh_node, *router = NULL; uint8_t interference_candidate = 0; spin_lock_bh(&orig_node->neigh_list_lock); @@ -160,7 +162,7 @@ void batadv_bonding_candidate_add(struct orig_node *orig_node, goto candidate_del; /* ... and is good enough to be considered */ - if (neigh_node->tq_avg < router->tq_avg - BONDING_TQ_THRESHOLD) + if (neigh_node->tq_avg < router->tq_avg - BATADV_BONDING_TQ_THRESHOLD) goto candidate_del; /* check if we have another candidate with the same mac address or @@ -214,11 +216,11 @@ out: /* copy primary address for bonding */ void -batadv_bonding_save_primary(const struct orig_node *orig_node, - struct orig_node *orig_neigh_node, - const struct batman_ogm_packet *batman_ogm_packet) +batadv_bonding_save_primary(const struct batadv_orig_node *orig_node, + struct batadv_orig_node *orig_neigh_node, + const struct batadv_ogm_packet *batman_ogm_packet) { - if (!(batman_ogm_packet->flags & PRIMARIES_FIRST_HOP)) + if (!(batman_ogm_packet->flags & BATADV_PRIMARIES_FIRST_HOP)) return; memcpy(orig_neigh_node->primary_addr, orig_node->orig, ETH_ALEN); @@ -229,16 +231,17 @@ batadv_bonding_save_primary(const struct orig_node *orig_node, * 0 if the packet is to be accepted * 1 if the packet is to be ignored. */ -int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff, +int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff, unsigned long *last_reset) { - if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) || - (seq_num_diff >= EXPECTED_SEQNO_RANGE)) { - if (!batadv_has_timed_out(*last_reset, RESET_PROTECTION_MS)) + if (seq_num_diff <= -BATADV_TQ_LOCAL_WINDOW_SIZE || + seq_num_diff >= BATADV_EXPECTED_SEQNO_RANGE) { + if (!batadv_has_timed_out(*last_reset, + BATADV_RESET_PROTECTION_MS)) return 1; *last_reset = jiffies; - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "old packet received, start protection\n"); } @@ -246,7 +249,7 @@ int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff, } bool batadv_check_management_packet(struct sk_buff *skb, - struct hard_iface *hard_iface, + struct batadv_hard_iface *hard_iface, int header_len) { struct ethhdr *ethhdr; @@ -276,19 +279,19 @@ bool batadv_check_management_packet(struct sk_buff *skb, return true; } -static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv, +static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv, struct sk_buff *skb, size_t icmp_len) { - struct hard_iface *primary_if = NULL; - struct orig_node *orig_node = NULL; - struct neigh_node *router = NULL; - struct icmp_packet_rr *icmp_packet; + struct batadv_hard_iface *primary_if = NULL; + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *router = NULL; + struct batadv_icmp_packet_rr *icmp_packet; int ret = NET_RX_DROP; - icmp_packet = (struct icmp_packet_rr *)skb->data; + icmp_packet = (struct batadv_icmp_packet_rr *)skb->data; /* add data to device queue */ - if (icmp_packet->msg_type != ECHO_REQUEST) { + if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) { batadv_socket_receive_packet(icmp_packet, icmp_len); goto out; } @@ -311,12 +314,12 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv, if (skb_cow(skb, ETH_HLEN) < 0) goto out; - icmp_packet = (struct icmp_packet_rr *)skb->data; + icmp_packet = (struct batadv_icmp_packet_rr *)skb->data; memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); - icmp_packet->msg_type = ECHO_REPLY; - icmp_packet->header.ttl = TTL; + icmp_packet->msg_type = BATADV_ECHO_REPLY; + icmp_packet->header.ttl = BATADV_TTL; batadv_send_skb_packet(skb, router->if_incoming, router->addr); ret = NET_RX_SUCCESS; @@ -331,19 +334,19 @@ out: return ret; } -static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, +static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv, struct sk_buff *skb) { - struct hard_iface *primary_if = NULL; - struct orig_node *orig_node = NULL; - struct neigh_node *router = NULL; - struct icmp_packet *icmp_packet; + struct batadv_hard_iface *primary_if = NULL; + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *router = NULL; + struct batadv_icmp_packet *icmp_packet; int ret = NET_RX_DROP; - icmp_packet = (struct icmp_packet *)skb->data; + icmp_packet = (struct batadv_icmp_packet *)skb->data; /* send TTL exceeded if packet is an echo request (traceroute) */ - if (icmp_packet->msg_type != ECHO_REQUEST) { + if (icmp_packet->msg_type != BATADV_ECHO_REQUEST) { pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n", icmp_packet->orig, icmp_packet->dst); goto out; @@ -366,12 +369,12 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, if (skb_cow(skb, ETH_HLEN) < 0) goto out; - icmp_packet = (struct icmp_packet *)skb->data; + icmp_packet = (struct batadv_icmp_packet *)skb->data; memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN); memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN); - icmp_packet->msg_type = TTL_EXCEEDED; - icmp_packet->header.ttl = TTL; + icmp_packet->msg_type = BATADV_TTL_EXCEEDED; + icmp_packet->header.ttl = BATADV_TTL; batadv_send_skb_packet(skb, router->if_incoming, router->addr); ret = NET_RX_SUCCESS; @@ -387,19 +390,20 @@ out: } -int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) +int batadv_recv_icmp_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct icmp_packet_rr *icmp_packet; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_icmp_packet_rr *icmp_packet; struct ethhdr *ethhdr; - struct orig_node *orig_node = NULL; - struct neigh_node *router = NULL; - int hdr_size = sizeof(struct icmp_packet); + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *router = NULL; + int hdr_size = sizeof(struct batadv_icmp_packet); int ret = NET_RX_DROP; /* we truncate all incoming icmp packets if they don't match our size */ - if (skb->len >= sizeof(struct icmp_packet_rr)) - hdr_size = sizeof(struct icmp_packet_rr); + if (skb->len >= sizeof(struct batadv_icmp_packet_rr)) + hdr_size = sizeof(struct batadv_icmp_packet_rr); /* drop packet if it has not necessary minimum size */ if (unlikely(!pskb_may_pull(skb, hdr_size))) @@ -419,11 +423,11 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) if (!batadv_is_my_mac(ethhdr->h_dest)) goto out; - icmp_packet = (struct icmp_packet_rr *)skb->data; + icmp_packet = (struct batadv_icmp_packet_rr *)skb->data; /* add record route information if not full */ - if ((hdr_size == sizeof(struct icmp_packet_rr)) && - (icmp_packet->rr_cur < BAT_RR_LEN)) { + if ((hdr_size == sizeof(struct batadv_icmp_packet_rr)) && + (icmp_packet->rr_cur < BATADV_RR_LEN)) { memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]), ethhdr->h_dest, ETH_ALEN); icmp_packet->rr_cur++; @@ -450,7 +454,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) if (skb_cow(skb, ETH_HLEN) < 0) goto out; - icmp_packet = (struct icmp_packet_rr *)skb->data; + icmp_packet = (struct batadv_icmp_packet_rr *)skb->data; /* decrement ttl */ icmp_packet->header.ttl--; @@ -473,12 +477,12 @@ out: * This method rotates the bonding list and increases the * returned router's refcount. */ -static struct neigh_node * -batadv_find_bond_router(struct orig_node *primary_orig, - const struct hard_iface *recv_if) +static struct batadv_neigh_node * +batadv_find_bond_router(struct batadv_orig_node *primary_orig, + const struct batadv_hard_iface *recv_if) { - struct neigh_node *tmp_neigh_node; - struct neigh_node *router = NULL, *first_candidate = NULL; + struct batadv_neigh_node *tmp_neigh_node; + struct batadv_neigh_node *router = NULL, *first_candidate = NULL; rcu_read_lock(); list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list, @@ -528,12 +532,12 @@ out: * * Increases the returned router's refcount */ -static struct neigh_node * -batadv_find_ifalter_router(struct orig_node *primary_orig, - const struct hard_iface *recv_if) +static struct batadv_neigh_node * +batadv_find_ifalter_router(struct batadv_orig_node *primary_orig, + const struct batadv_hard_iface *recv_if) { - struct neigh_node *tmp_neigh_node; - struct neigh_node *router = NULL, *first_candidate = NULL; + struct batadv_neigh_node *tmp_neigh_node; + struct batadv_neigh_node *router = NULL, *first_candidate = NULL; rcu_read_lock(); list_for_each_entry_rcu(tmp_neigh_node, &primary_orig->bond_list, @@ -575,20 +579,22 @@ batadv_find_ifalter_router(struct orig_node *primary_orig, return router; } -int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) +int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct tt_query_packet *tt_query; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_tt_query_packet *tt_query; uint16_t tt_size; struct ethhdr *ethhdr; char tt_flag; + size_t packet_size; /* drop packet if it has not necessary minimum size */ - if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet)))) + if (unlikely(!pskb_may_pull(skb, + sizeof(struct batadv_tt_query_packet)))) goto out; /* I could need to modify it */ - if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0) + if (skb_cow(skb, sizeof(struct batadv_tt_query_packet)) < 0) goto out; ethhdr = (struct ethhdr *)skb_mac_header(skb); @@ -601,26 +607,30 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) if (is_broadcast_ether_addr(ethhdr->h_source)) goto out; - tt_query = (struct tt_query_packet *)skb->data; + tt_query = (struct batadv_tt_query_packet *)skb->data; - switch (tt_query->flags & TT_QUERY_TYPE_MASK) { - case TT_REQUEST: - batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_RX); + switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) { + case BATADV_TT_REQUEST: + batadv_inc_counter(bat_priv, BATADV_CNT_TT_REQUEST_RX); /* If we cannot provide an answer the tt_request is * forwarded */ if (!batadv_send_tt_response(bat_priv, tt_query)) { - tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.'; - batadv_dbg(DBG_TT, bat_priv, + if (tt_query->flags & BATADV_TT_FULL_TABLE) + tt_flag = 'F'; + else + tt_flag = '.'; + + batadv_dbg(BATADV_DBG_TT, bat_priv, "Routing TT_REQUEST to %pM [%c]\n", tt_query->dst, tt_flag); return batadv_route_unicast_packet(skb, recv_if); } break; - case TT_RESPONSE: - batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_RX); + case BATADV_TT_RESPONSE: + batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_RX); if (batadv_is_my_mac(tt_query->dst)) { /* packet needs to be linearized to access the TT @@ -629,19 +639,23 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) if (skb_linearize(skb) < 0) goto out; /* skb_linearize() possibly changed skb->data */ - tt_query = (struct tt_query_packet *)skb->data; + tt_query = (struct batadv_tt_query_packet *)skb->data; tt_size = batadv_tt_len(ntohs(tt_query->tt_data)); /* Ensure we have all the claimed data */ - if (unlikely(skb_headlen(skb) < - sizeof(struct tt_query_packet) + tt_size)) + packet_size = sizeof(struct batadv_tt_query_packet); + packet_size += tt_size; + if (unlikely(skb_headlen(skb) < packet_size)) goto out; batadv_handle_tt_response(bat_priv, tt_query); } else { - tt_flag = tt_query->flags & TT_FULL_TABLE ? 'F' : '.'; - batadv_dbg(DBG_TT, bat_priv, + if (tt_query->flags & BATADV_TT_FULL_TABLE) + tt_flag = 'F'; + else + tt_flag = '.'; + batadv_dbg(BATADV_DBG_TT, bat_priv, "Routing TT_RESPONSE to %pM [%c]\n", tt_query->dst, tt_flag); @@ -655,15 +669,16 @@ out: return NET_RX_DROP; } -int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if) +int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct roam_adv_packet *roam_adv_packet; - struct orig_node *orig_node; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_roam_adv_packet *roam_adv_packet; + struct batadv_orig_node *orig_node; struct ethhdr *ethhdr; /* drop packet if it has not necessary minimum size */ - if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet)))) + if (unlikely(!pskb_may_pull(skb, + sizeof(struct batadv_roam_adv_packet)))) goto out; ethhdr = (struct ethhdr *)skb_mac_header(skb); @@ -676,9 +691,9 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if) if (is_broadcast_ether_addr(ethhdr->h_source)) goto out; - batadv_inc_counter(bat_priv, BAT_CNT_TT_ROAM_ADV_RX); + batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX); - roam_adv_packet = (struct roam_adv_packet *)skb->data; + roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data; if (!batadv_is_my_mac(roam_adv_packet->dst)) return batadv_route_unicast_packet(skb, recv_if); @@ -694,13 +709,13 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if) if (!orig_node) goto out; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Received ROAMING_ADV from %pM (client %pM)\n", roam_adv_packet->src, roam_adv_packet->client); batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client, - atomic_read(&orig_node->last_ttvn) + 1, true, - false); + BATADV_TT_CLIENT_ROAM, + atomic_read(&orig_node->last_ttvn) + 1); /* Roaming phase starts: I have new information but the ttvn has not * been incremented yet. This flag will make me check all the incoming @@ -718,13 +733,14 @@ out: * bonding if possible. increases the found neighbors * refcount. */ -struct neigh_node *batadv_find_router(struct bat_priv *bat_priv, - struct orig_node *orig_node, - const struct hard_iface *recv_if) +struct batadv_neigh_node * +batadv_find_router(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + const struct batadv_hard_iface *recv_if) { - struct orig_node *primary_orig_node; - struct orig_node *router_orig; - struct neigh_node *router; + struct batadv_orig_node *primary_orig_node; + struct batadv_orig_node *router_orig; + struct batadv_neigh_node *router; static uint8_t zero_mac[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; int bonding_enabled; uint8_t *primary_addr; @@ -790,7 +806,7 @@ struct neigh_node *batadv_find_router(struct bat_priv *bat_priv, router = batadv_find_ifalter_router(primary_orig_node, recv_if); return_router: - if (router && router->if_incoming->if_status != IF_ACTIVE) + if (router && router->if_incoming->if_status != BATADV_IF_ACTIVE) goto err_unlock; rcu_read_unlock(); @@ -829,17 +845,17 @@ static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size) } static int batadv_route_unicast_packet(struct sk_buff *skb, - struct hard_iface *recv_if) + struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct orig_node *orig_node = NULL; - struct neigh_node *neigh_node = NULL; - struct unicast_packet *unicast_packet; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *neigh_node = NULL; + struct batadv_unicast_packet *unicast_packet; struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb); int ret = NET_RX_DROP; struct sk_buff *new_skb; - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; /* TTL exceeded */ if (unicast_packet->header.ttl < 2) { @@ -864,9 +880,9 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, if (skb_cow(skb, ETH_HLEN) < 0) goto out; - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; - if (unicast_packet->header.packet_type == BAT_UNICAST && + if (unicast_packet->header.packet_type == BATADV_UNICAST && atomic_read(&bat_priv->fragmentation) && skb->len > neigh_node->if_incoming->net_dev->mtu) { ret = batadv_frag_send_skb(skb, bat_priv, @@ -875,7 +891,7 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, goto out; } - if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG && + if (unicast_packet->header.packet_type == BATADV_UNICAST_FRAG && batadv_frag_can_reassemble(skb, neigh_node->if_incoming->net_dev->mtu)) { @@ -891,15 +907,15 @@ static int batadv_route_unicast_packet(struct sk_buff *skb, } skb = new_skb; - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; } /* decrement ttl */ unicast_packet->header.ttl--; /* Update stats counter */ - batadv_inc_counter(bat_priv, BAT_CNT_FORWARD); - batadv_add_counter(bat_priv, BAT_CNT_FORWARD_BYTES, + batadv_inc_counter(bat_priv, BATADV_CNT_FORWARD); + batadv_add_counter(bat_priv, BATADV_CNT_FORWARD_BYTES, skb->len + ETH_HLEN); /* route it */ @@ -914,20 +930,21 @@ out: return ret; } -static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv, +static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv, struct sk_buff *skb) { uint8_t curr_ttvn; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; struct ethhdr *ethhdr; - struct hard_iface *primary_if; - struct unicast_packet *unicast_packet; + struct batadv_hard_iface *primary_if; + struct batadv_unicast_packet *unicast_packet; bool tt_poss_change; + int is_old_ttvn; /* I could need to modify it */ - if (skb_cow(skb, sizeof(struct unicast_packet)) < 0) + if (skb_cow(skb, sizeof(struct batadv_unicast_packet)) < 0) return 0; - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; if (batadv_is_my_mac(unicast_packet->dest)) { tt_poss_change = bat_priv->tt_poss_change; @@ -945,14 +962,14 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv, } /* Check whether I have to reroute the packet */ - if (seq_before(unicast_packet->ttvn, curr_ttvn) || tt_poss_change) { + is_old_ttvn = batadv_seq_before(unicast_packet->ttvn, curr_ttvn); + if (is_old_ttvn || tt_poss_change) { /* check if there is enough data before accessing it */ - if (pskb_may_pull(skb, sizeof(struct unicast_packet) + + if (pskb_may_pull(skb, sizeof(struct batadv_unicast_packet) + ETH_HLEN) < 0) return 0; - ethhdr = (struct ethhdr *)(skb->data + - sizeof(struct unicast_packet)); + ethhdr = (struct ethhdr *)(skb->data + sizeof(*unicast_packet)); /* we don't have an updated route for this client, so we should * not try to reroute the packet!! @@ -981,7 +998,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv, batadv_orig_node_free_ref(orig_node); } - batadv_dbg(DBG_ROUTES, bat_priv, + batadv_dbg(BATADV_DBG_ROUTES, bat_priv, "TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n", unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest, unicast_packet->dest); @@ -991,10 +1008,11 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv, return 1; } -int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) +int batadv_recv_unicast_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct unicast_packet *unicast_packet; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_unicast_packet *unicast_packet; int hdr_size = sizeof(*unicast_packet); if (batadv_check_unicast_packet(skb, hdr_size) < 0) @@ -1003,7 +1021,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) if (!batadv_check_unicast_ttvn(bat_priv, skb)) return NET_RX_DROP; - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; /* packet for me */ if (batadv_is_my_mac(unicast_packet->dest)) { @@ -1016,10 +1034,10 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if) } int batadv_recv_ucast_frag_packet(struct sk_buff *skb, - struct hard_iface *recv_if) + struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct unicast_frag_packet *unicast_packet; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_unicast_frag_packet *unicast_packet; int hdr_size = sizeof(*unicast_packet); struct sk_buff *new_skb = NULL; int ret; @@ -1030,7 +1048,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb, if (!batadv_check_unicast_ttvn(bat_priv, skb)) return NET_RX_DROP; - unicast_packet = (struct unicast_frag_packet *)skb->data; + unicast_packet = (struct batadv_unicast_frag_packet *)skb->data; /* packet for me */ if (batadv_is_my_mac(unicast_packet->dest)) { @@ -1045,7 +1063,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb, return NET_RX_SUCCESS; batadv_interface_rx(recv_if->soft_iface, new_skb, recv_if, - sizeof(struct unicast_packet)); + sizeof(struct batadv_unicast_packet)); return NET_RX_SUCCESS; } @@ -1053,11 +1071,12 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb, } -int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if) +int batadv_recv_bcast_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if) { - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct orig_node *orig_node = NULL; - struct bcast_packet *bcast_packet; + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_orig_node *orig_node = NULL; + struct batadv_bcast_packet *bcast_packet; struct ethhdr *ethhdr; int hdr_size = sizeof(*bcast_packet); int ret = NET_RX_DROP; @@ -1081,7 +1100,7 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if) if (batadv_is_my_mac(ethhdr->h_source)) goto out; - bcast_packet = (struct bcast_packet *)skb->data; + bcast_packet = (struct batadv_bcast_packet *)skb->data; /* ignore broadcasts originated by myself */ if (batadv_is_my_mac(bcast_packet->orig)) @@ -1143,11 +1162,12 @@ out: return ret; } -int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if) +int batadv_recv_vis_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if) { - struct vis_packet *vis_packet; + struct batadv_vis_packet *vis_packet; struct ethhdr *ethhdr; - struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); int hdr_size = sizeof(*vis_packet); /* keep skb linear */ @@ -1157,7 +1177,7 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if) if (unlikely(!pskb_may_pull(skb, hdr_size))) return NET_RX_DROP; - vis_packet = (struct vis_packet *)skb->data; + vis_packet = (struct batadv_vis_packet *)skb->data; ethhdr = (struct ethhdr *)skb_mac_header(skb); /* not for me */ @@ -1172,12 +1192,12 @@ int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if) return NET_RX_DROP; switch (vis_packet->vis_type) { - case VIS_TYPE_SERVER_SYNC: + case BATADV_VIS_TYPE_SERVER_SYNC: batadv_receive_server_sync_packet(bat_priv, vis_packet, skb_headlen(skb)); break; - case VIS_TYPE_CLIENT_UPDATE: + case BATADV_VIS_TYPE_CLIENT_UPDATE: batadv_receive_client_update_packet(bat_priv, vis_packet, skb_headlen(skb)); break; diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h index c3fd219..9262279 100644 --- a/net/batman-adv/routing.h +++ b/net/batman-adv/routing.h @@ -20,32 +20,40 @@ #ifndef _NET_BATMAN_ADV_ROUTING_H_ #define _NET_BATMAN_ADV_ROUTING_H_ -void batadv_slide_own_bcast_window(struct hard_iface *hard_iface); +void batadv_slide_own_bcast_window(struct batadv_hard_iface *hard_iface); bool batadv_check_management_packet(struct sk_buff *skb, - struct hard_iface *hard_iface, + struct batadv_hard_iface *hard_iface, int header_len); -void batadv_update_route(struct bat_priv *bat_priv, struct orig_node *orig_node, - struct neigh_node *neigh_node); -int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if); -int batadv_recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if); +void batadv_update_route(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node); +int batadv_recv_icmp_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if); +int batadv_recv_unicast_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if); int batadv_recv_ucast_frag_packet(struct sk_buff *skb, - struct hard_iface *recv_if); -int batadv_recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if); -int batadv_recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if); -int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if); -int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if); -struct neigh_node *batadv_find_router(struct bat_priv *bat_priv, - struct orig_node *orig_node, - const struct hard_iface *recv_if); -void batadv_bonding_candidate_del(struct orig_node *orig_node, - struct neigh_node *neigh_node); -void batadv_bonding_candidate_add(struct orig_node *orig_node, - struct neigh_node *neigh_node); -void batadv_bonding_save_primary(const struct orig_node *orig_node, - struct orig_node *orig_neigh_node, - const struct batman_ogm_packet + struct batadv_hard_iface *recv_if); +int batadv_recv_bcast_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if); +int batadv_recv_vis_packet(struct sk_buff *skb, + struct batadv_hard_iface *recv_if); +int batadv_recv_tt_query(struct sk_buff *skb, + struct batadv_hard_iface *recv_if); +int batadv_recv_roam_adv(struct sk_buff *skb, + struct batadv_hard_iface *recv_if); +struct batadv_neigh_node * +batadv_find_router(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + const struct batadv_hard_iface *recv_if); +void batadv_bonding_candidate_del(struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node); +void batadv_bonding_candidate_add(struct batadv_orig_node *orig_node, + struct batadv_neigh_node *neigh_node); +void batadv_bonding_save_primary(const struct batadv_orig_node *orig_node, + struct batadv_orig_node *orig_neigh_node, + const struct batadv_ogm_packet *batman_ogm_packet); -int batadv_window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff, +int batadv_window_protected(struct batadv_priv *bat_priv, int32_t seq_num_diff, unsigned long *last_reset); #endif /* _NET_BATMAN_ADV_ROUTING_H_ */ diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 1842cbc..3b4b2da 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -32,12 +32,13 @@ static void batadv_send_outstanding_bcast_packet(struct work_struct *work); /* send out an already prepared packet to the given address via the * specified batman interface */ -int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, +int batadv_send_skb_packet(struct sk_buff *skb, + struct batadv_hard_iface *hard_iface, const uint8_t *dst_addr) { struct ethhdr *ethhdr; - if (hard_iface->if_status != IF_ACTIVE) + if (hard_iface->if_status != BATADV_IF_ACTIVE) goto send_skb_err; if (unlikely(!hard_iface->net_dev)) @@ -58,11 +59,11 @@ int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, ethhdr = (struct ethhdr *)skb_mac_header(skb); memcpy(ethhdr->h_source, hard_iface->net_dev->dev_addr, ETH_ALEN); memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN); - ethhdr->h_proto = __constant_htons(ETH_P_BATMAN); + ethhdr->h_proto = __constant_htons(BATADV_ETH_P_BATMAN); skb_set_network_header(skb, ETH_HLEN); skb->priority = TC_PRIO_CONTROL; - skb->protocol = __constant_htons(ETH_P_BATMAN); + skb->protocol = __constant_htons(BATADV_ETH_P_BATMAN); skb->dev = hard_iface->net_dev; @@ -76,12 +77,12 @@ send_skb_err: return NET_XMIT_DROP; } -void batadv_schedule_bat_ogm(struct hard_iface *hard_iface) +void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface) { - struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface); + struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - if ((hard_iface->if_status == IF_NOT_IN_USE) || - (hard_iface->if_status == IF_TO_BE_REMOVED)) + if ((hard_iface->if_status == BATADV_IF_NOT_IN_USE) || + (hard_iface->if_status == BATADV_IF_TO_BE_REMOVED)) return; /* the interface gets activated here to avoid race conditions between @@ -90,13 +91,13 @@ void batadv_schedule_bat_ogm(struct hard_iface *hard_iface) * outdated packets (especially uninitialized mac addresses) in the * packet queue */ - if (hard_iface->if_status == IF_TO_BE_ACTIVATED) - hard_iface->if_status = IF_ACTIVE; + if (hard_iface->if_status == BATADV_IF_TO_BE_ACTIVATED) + hard_iface->if_status = BATADV_IF_ACTIVE; bat_priv->bat_algo_ops->bat_ogm_schedule(hard_iface); } -static void batadv_forw_packet_free(struct forw_packet *forw_packet) +static void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet) { if (forw_packet->skb) kfree_skb(forw_packet->skb); @@ -105,9 +106,10 @@ static void batadv_forw_packet_free(struct forw_packet *forw_packet) kfree(forw_packet); } -static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, - struct forw_packet *forw_packet, - unsigned long send_time) +static void +_batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, + struct batadv_forw_packet *forw_packet, + unsigned long send_time) { INIT_HLIST_NODE(&forw_packet->list); @@ -132,17 +134,18 @@ static void _batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, * The skb is not consumed, so the caller should make sure that the * skb is freed. */ -int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, +int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, const struct sk_buff *skb, unsigned long delay) { - struct hard_iface *primary_if = NULL; - struct forw_packet *forw_packet; - struct bcast_packet *bcast_packet; + struct batadv_hard_iface *primary_if = NULL; + struct batadv_forw_packet *forw_packet; + struct batadv_bcast_packet *bcast_packet; struct sk_buff *newskb; - if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) { - batadv_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n"); + if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, + "bcast packet queue full\n"); goto out; } @@ -160,7 +163,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, goto packet_free; /* as we have a copy now, it is safe to decrease the TTL */ - bcast_packet = (struct bcast_packet *)newskb->data; + bcast_packet = (struct batadv_bcast_packet *)newskb->data; bcast_packet->header.ttl--; skb_reset_mac_header(newskb); @@ -186,20 +189,24 @@ out: static void batadv_send_outstanding_bcast_packet(struct work_struct *work) { - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); - struct forw_packet *forw_packet = - container_of(delayed_work, struct forw_packet, delayed_work); + struct batadv_forw_packet *forw_packet; struct sk_buff *skb1; - struct net_device *soft_iface = forw_packet->if_incoming->soft_iface; - struct bat_priv *bat_priv = netdev_priv(soft_iface); + struct net_device *soft_iface; + struct batadv_priv *bat_priv; + + forw_packet = container_of(delayed_work, struct batadv_forw_packet, + delayed_work); + soft_iface = forw_packet->if_incoming->soft_iface; + bat_priv = netdev_priv(soft_iface); spin_lock_bh(&bat_priv->forw_bcast_list_lock); hlist_del(&forw_packet->list); spin_unlock_bh(&bat_priv->forw_bcast_list_lock); - if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) + if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING) goto out; /* rebroadcast packet */ @@ -234,16 +241,17 @@ void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work) { struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); - struct forw_packet *forw_packet = - container_of(delayed_work, struct forw_packet, delayed_work); - struct bat_priv *bat_priv; + struct batadv_forw_packet *forw_packet; + struct batadv_priv *bat_priv; + forw_packet = container_of(delayed_work, struct batadv_forw_packet, + delayed_work); bat_priv = netdev_priv(forw_packet->if_incoming->soft_iface); spin_lock_bh(&bat_priv->forw_bat_list_lock); hlist_del(&forw_packet->list); spin_unlock_bh(&bat_priv->forw_bat_list_lock); - if (atomic_read(&bat_priv->mesh_state) == MESH_DEACTIVATING) + if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_DEACTIVATING) goto out; bat_priv->bat_algo_ops->bat_ogm_emit(forw_packet); @@ -263,19 +271,20 @@ out: batadv_forw_packet_free(forw_packet); } -void batadv_purge_outstanding_packets(struct bat_priv *bat_priv, - const struct hard_iface *hard_iface) +void +batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, + const struct batadv_hard_iface *hard_iface) { - struct forw_packet *forw_packet; + struct batadv_forw_packet *forw_packet; struct hlist_node *tmp_node, *safe_tmp_node; bool pending; if (hard_iface) - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "purge_outstanding_packets(): %s\n", hard_iface->net_dev->name); else - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "purge_outstanding_packets()\n"); /* free bcast list */ diff --git a/net/batman-adv/send.h b/net/batman-adv/send.h index e3ac75b..643329b 100644 --- a/net/batman-adv/send.h +++ b/net/batman-adv/send.h @@ -20,14 +20,16 @@ #ifndef _NET_BATMAN_ADV_SEND_H_ #define _NET_BATMAN_ADV_SEND_H_ -int batadv_send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface, +int batadv_send_skb_packet(struct sk_buff *skb, + struct batadv_hard_iface *hard_iface, const uint8_t *dst_addr); -void batadv_schedule_bat_ogm(struct hard_iface *hard_iface); -int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, +void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface); +int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, const struct sk_buff *skb, unsigned long delay); void batadv_send_outstanding_bat_ogm_packet(struct work_struct *work); -void batadv_purge_outstanding_packets(struct bat_priv *bat_priv, - const struct hard_iface *hard_iface); +void +batadv_purge_outstanding_packets(struct batadv_priv *bat_priv, + const struct batadv_hard_iface *hard_iface); #endif /* _NET_BATMAN_ADV_SEND_H_ */ diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 2de1d74..9e4bb61 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -22,12 +22,12 @@ #include "hard-interface.h" #include "routing.h" #include "send.h" -#include "bat_debugfs.h" +#include "debugfs.h" #include "translation-table.h" #include "hash.h" #include "gateway_common.h" #include "gateway_client.h" -#include "bat_sysfs.h" +#include "sysfs.h" #include "originator.h" #include <linux/slab.h> #include <linux/ethtool.h> @@ -92,23 +92,23 @@ static int batadv_interface_release(struct net_device *dev) static struct net_device_stats *batadv_interface_stats(struct net_device *dev) { - struct bat_priv *bat_priv = netdev_priv(dev); + struct batadv_priv *bat_priv = netdev_priv(dev); return &bat_priv->stats; } static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) { - struct bat_priv *bat_priv = netdev_priv(dev); + struct batadv_priv *bat_priv = netdev_priv(dev); struct sockaddr *addr = p; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; /* only modify transtable if it has been initialized before */ - if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) { + if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) { batadv_tt_local_remove(bat_priv, dev->dev_addr, "mac address changed", false); - batadv_tt_local_add(dev, addr->sa_data, NULL_IFINDEX); + batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX); } memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); @@ -131,10 +131,11 @@ static int batadv_interface_tx(struct sk_buff *skb, struct net_device *soft_iface) { struct ethhdr *ethhdr = (struct ethhdr *)skb->data; - struct bat_priv *bat_priv = netdev_priv(soft_iface); - struct hard_iface *primary_if = NULL; - struct bcast_packet *bcast_packet; + struct batadv_priv *bat_priv = netdev_priv(soft_iface); + struct batadv_hard_iface *primary_if = NULL; + struct batadv_bcast_packet *bcast_packet; struct vlan_ethhdr *vhdr; + __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); static const uint8_t stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, 0x00}; unsigned int header_len = 0; @@ -142,7 +143,7 @@ static int batadv_interface_tx(struct sk_buff *skb, short vid __maybe_unused = -1; bool do_bcast = false; - if (atomic_read(&bat_priv->mesh_state) != MESH_ACTIVE) + if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) goto dropped; soft_iface->trans_start = jiffies; @@ -152,11 +153,11 @@ static int batadv_interface_tx(struct sk_buff *skb, vhdr = (struct vlan_ethhdr *)skb->data; vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; - if (ntohs(vhdr->h_vlan_encapsulated_proto) != ETH_P_BATMAN) + if (vhdr->h_vlan_encapsulated_proto != ethertype) break; /* fall through */ - case ETH_P_BATMAN: + case BATADV_ETH_P_BATMAN: goto dropped; } @@ -176,7 +177,7 @@ static int batadv_interface_tx(struct sk_buff *skb, do_bcast = true; switch (atomic_read(&bat_priv->gw_mode)) { - case GW_MODE_SERVER: + case BATADV_GW_MODE_SERVER: /* gateway servers should not send dhcp * requests into the mesh */ @@ -184,7 +185,7 @@ static int batadv_interface_tx(struct sk_buff *skb, if (ret) goto dropped; break; - case GW_MODE_CLIENT: + case BATADV_GW_MODE_CLIENT: /* gateway clients should send dhcp requests * via unicast to their gateway */ @@ -192,7 +193,7 @@ static int batadv_interface_tx(struct sk_buff *skb, if (ret) do_bcast = false; break; - case GW_MODE_OFF: + case BATADV_GW_MODE_OFF: default: break; } @@ -207,12 +208,13 @@ static int batadv_interface_tx(struct sk_buff *skb, if (batadv_skb_head_push(skb, sizeof(*bcast_packet)) < 0) goto dropped; - bcast_packet = (struct bcast_packet *)skb->data; - bcast_packet->header.version = COMPAT_VERSION; - bcast_packet->header.ttl = TTL; + bcast_packet = (struct batadv_bcast_packet *)skb->data; + bcast_packet->header.version = BATADV_COMPAT_VERSION; + bcast_packet->header.ttl = BATADV_TTL; /* batman packet type: broadcast */ - bcast_packet->header.packet_type = BAT_BCAST; + bcast_packet->header.packet_type = BATADV_BCAST; + bcast_packet->reserved = 0; /* hw address of first interface is the orig mac because only * this mac is known throughout the mesh @@ -233,7 +235,7 @@ static int batadv_interface_tx(struct sk_buff *skb, /* unicast packet */ } else { - if (atomic_read(&bat_priv->gw_mode) != GW_MODE_OFF) { + if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) { ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr); if (ret) goto dropped; @@ -259,13 +261,14 @@ end: } void batadv_interface_rx(struct net_device *soft_iface, - struct sk_buff *skb, struct hard_iface *recv_if, + struct sk_buff *skb, struct batadv_hard_iface *recv_if, int hdr_size) { - struct bat_priv *bat_priv = netdev_priv(soft_iface); + struct batadv_priv *bat_priv = netdev_priv(soft_iface); struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; short vid __maybe_unused = -1; + __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); /* check if enough space is available for pulling, and pull */ if (!pskb_may_pull(skb, hdr_size)) @@ -281,11 +284,11 @@ void batadv_interface_rx(struct net_device *soft_iface, vhdr = (struct vlan_ethhdr *)skb->data; vid = ntohs(vhdr->h_vlan_TCI) & VLAN_VID_MASK; - if (ntohs(vhdr->h_vlan_encapsulated_proto) != ETH_P_BATMAN) + if (vhdr->h_vlan_encapsulated_proto != ethertype) break; /* fall through */ - case ETH_P_BATMAN: + case BATADV_ETH_P_BATMAN: goto dropped; } @@ -336,7 +339,7 @@ static const struct net_device_ops batadv_netdev_ops = { static void batadv_interface_setup(struct net_device *dev) { - struct bat_priv *priv = netdev_priv(dev); + struct batadv_priv *priv = netdev_priv(dev); ether_setup(dev); @@ -349,7 +352,7 @@ static void batadv_interface_setup(struct net_device *dev) */ dev->mtu = ETH_DATA_LEN; /* reserve more space in the skbuff for our header */ - dev->hard_header_len = BAT_HEADER_LEN; + dev->hard_header_len = BATADV_HEADER_LEN; /* generate random address */ eth_hw_addr_random(dev); @@ -362,8 +365,9 @@ static void batadv_interface_setup(struct net_device *dev) struct net_device *batadv_softif_create(const char *name) { struct net_device *soft_iface; - struct bat_priv *bat_priv; + struct batadv_priv *bat_priv; int ret; + size_t cnt_len = sizeof(uint64_t) * BATADV_CNT_NUM; soft_iface = alloc_netdev(sizeof(*bat_priv), name, batadv_interface_setup); @@ -384,18 +388,18 @@ struct net_device *batadv_softif_create(const char *name) atomic_set(&bat_priv->bonding, 0); atomic_set(&bat_priv->bridge_loop_avoidance, 0); atomic_set(&bat_priv->ap_isolation, 0); - atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE); - atomic_set(&bat_priv->gw_mode, GW_MODE_OFF); + atomic_set(&bat_priv->vis_mode, BATADV_VIS_TYPE_CLIENT_UPDATE); + atomic_set(&bat_priv->gw_mode, BATADV_GW_MODE_OFF); atomic_set(&bat_priv->gw_sel_class, 20); atomic_set(&bat_priv->gw_bandwidth, 41); atomic_set(&bat_priv->orig_interval, 1000); atomic_set(&bat_priv->hop_penalty, 30); atomic_set(&bat_priv->log_level, 0); atomic_set(&bat_priv->fragmentation, 1); - atomic_set(&bat_priv->bcast_queue_left, BCAST_QUEUE_LEN); - atomic_set(&bat_priv->batman_queue_left, BATMAN_QUEUE_LEN); + atomic_set(&bat_priv->bcast_queue_left, BATADV_BCAST_QUEUE_LEN); + atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN); - atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); + atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); atomic_set(&bat_priv->bcast_seqno, 1); atomic_set(&bat_priv->ttvn, 0); atomic_set(&bat_priv->tt_local_changes, 0); @@ -409,8 +413,7 @@ struct net_device *batadv_softif_create(const char *name) bat_priv->primary_if = NULL; bat_priv->num_ifaces = 0; - bat_priv->bat_counters = __alloc_percpu(sizeof(uint64_t) * BAT_CNT_NUM, - __alignof__(uint64_t)); + bat_priv->bat_counters = __alloc_percpu(cnt_len, __alignof__(uint64_t)); if (!bat_priv->bat_counters) goto unreg_soft_iface; @@ -485,7 +488,7 @@ static void batadv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { strcpy(info->driver, "B.A.T.M.A.N. advanced"); - strcpy(info->version, SOURCE_VERSION); + strcpy(info->version, BATADV_SOURCE_VERSION); strcpy(info->fw_version, "N/A"); strcpy(info->bus_info, "batman"); } @@ -537,17 +540,17 @@ static void batadv_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, uint64_t *data) { - struct bat_priv *bat_priv = netdev_priv(dev); + struct batadv_priv *bat_priv = netdev_priv(dev); int i; - for (i = 0; i < BAT_CNT_NUM; i++) + for (i = 0; i < BATADV_CNT_NUM; i++) data[i] = batadv_sum_counter(bat_priv, i); } static int batadv_get_sset_count(struct net_device *dev, int stringset) { if (stringset == ETH_SS_STATS) - return BAT_CNT_NUM; + return BATADV_CNT_NUM; return -EOPNOTSUPP; } diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h index 2711ba5..852c683 100644 --- a/net/batman-adv/soft-interface.h +++ b/net/batman-adv/soft-interface.h @@ -22,7 +22,7 @@ int batadv_skb_head_push(struct sk_buff *skb, unsigned int len); void batadv_interface_rx(struct net_device *soft_iface, struct sk_buff *skb, - struct hard_iface *recv_if, int hdr_size); + struct batadv_hard_iface *recv_if, int hdr_size); struct net_device *batadv_softif_create(const char *name); void batadv_softif_destroy(struct net_device *soft_iface); int batadv_softif_is_valid(const struct net_device *net_dev); diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/sysfs.c index 03b76a4..66518c7 100644 --- a/net/batman-adv/bat_sysfs.c +++ b/net/batman-adv/sysfs.c @@ -18,7 +18,7 @@ */ #include "main.h" -#include "bat_sysfs.h" +#include "sysfs.h" #include "translation-table.h" #include "originator.h" #include "hard-interface.h" @@ -32,15 +32,15 @@ static struct net_device *batadv_kobj_to_netdev(struct kobject *obj) return to_net_dev(dev); } -static struct bat_priv *batadv_kobj_to_batpriv(struct kobject *obj) +static struct batadv_priv *batadv_kobj_to_batpriv(struct kobject *obj) { struct net_device *net_dev = batadv_kobj_to_netdev(obj); return netdev_priv(net_dev); } -#define UEV_TYPE_VAR "BATTYPE=" -#define UEV_ACTION_VAR "BATACTION=" -#define UEV_DATA_VAR "BATDATA=" +#define BATADV_UEV_TYPE_VAR "BATTYPE=" +#define BATADV_UEV_ACTION_VAR "BATACTION=" +#define BATADV_UEV_DATA_VAR "BATDATA=" static char *batadv_uev_action_str[] = { "add", @@ -53,30 +53,30 @@ static char *batadv_uev_type_str[] = { }; /* Use this, if you have customized show and store functions */ -#define BAT_ATTR(_name, _mode, _show, _store) \ -struct bat_attribute batadv_attr_##_name = { \ - .attr = {.name = __stringify(_name), \ - .mode = _mode }, \ - .show = _show, \ - .store = _store, \ +#define BATADV_ATTR(_name, _mode, _show, _store) \ +struct batadv_attribute batadv_attr_##_name = { \ + .attr = {.name = __stringify(_name), \ + .mode = _mode }, \ + .show = _show, \ + .store = _store, \ }; -#define BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ +#define BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ ssize_t batadv_store_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff, \ size_t count) \ { \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ - struct bat_priv *bat_priv = netdev_priv(net_dev); \ + struct batadv_priv *bat_priv = netdev_priv(net_dev); \ return __batadv_store_bool_attr(buff, count, _post_func, attr, \ &bat_priv->_name, net_dev); \ } -#define BAT_ATTR_SIF_SHOW_BOOL(_name) \ +#define BATADV_ATTR_SIF_SHOW_BOOL(_name) \ ssize_t batadv_show_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff) \ { \ - struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ return sprintf(buff, "%s\n", \ atomic_read(&bat_priv->_name) == 0 ? \ "disabled" : "enabled"); \ @@ -85,50 +85,50 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \ /* Use this, if you are going to turn a [name] in the soft-interface * (bat_priv) on or off */ -#define BAT_ATTR_SIF_BOOL(_name, _mode, _post_func) \ - static BAT_ATTR_SIF_STORE_BOOL(_name, _post_func) \ - static BAT_ATTR_SIF_SHOW_BOOL(_name) \ - static BAT_ATTR(_name, _mode, batadv_show_##_name, \ - batadv_store_##_name) +#define BATADV_ATTR_SIF_BOOL(_name, _mode, _post_func) \ + static BATADV_ATTR_SIF_STORE_BOOL(_name, _post_func) \ + static BATADV_ATTR_SIF_SHOW_BOOL(_name) \ + static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ + batadv_store_##_name) -#define BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ +#define BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ ssize_t batadv_store_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff, \ size_t count) \ { \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ - struct bat_priv *bat_priv = netdev_priv(net_dev); \ + struct batadv_priv *bat_priv = netdev_priv(net_dev); \ return __batadv_store_uint_attr(buff, count, _min, _max, \ _post_func, attr, \ &bat_priv->_name, net_dev); \ } -#define BAT_ATTR_SIF_SHOW_UINT(_name) \ +#define BATADV_ATTR_SIF_SHOW_UINT(_name) \ ssize_t batadv_show_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff) \ { \ - struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); \ return sprintf(buff, "%i\n", atomic_read(&bat_priv->_name)); \ } \ /* Use this, if you are going to set [name] in the soft-interface * (bat_priv) to an unsigned integer value */ -#define BAT_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \ - static BAT_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func) \ - static BAT_ATTR_SIF_SHOW_UINT(_name) \ - static BAT_ATTR(_name, _mode, batadv_show_##_name, \ - batadv_store_##_name) +#define BATADV_ATTR_SIF_UINT(_name, _mode, _min, _max, _post_func) \ + static BATADV_ATTR_SIF_STORE_UINT(_name, _min, _max, _post_func)\ + static BATADV_ATTR_SIF_SHOW_UINT(_name) \ + static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ + batadv_store_##_name) -#define BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ +#define BATADV_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ ssize_t batadv_store_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff, \ size_t count) \ { \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ - struct hard_iface *hard_iface; \ + struct batadv_hard_iface *hard_iface; \ ssize_t length; \ \ hard_iface = batadv_hardif_get_by_netdev(net_dev); \ @@ -143,12 +143,12 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \ return length; \ } -#define BAT_ATTR_HIF_SHOW_UINT(_name) \ +#define BATADV_ATTR_HIF_SHOW_UINT(_name) \ ssize_t batadv_show_##_name(struct kobject *kobj, \ struct attribute *attr, char *buff) \ { \ struct net_device *net_dev = batadv_kobj_to_netdev(kobj); \ - struct hard_iface *hard_iface; \ + struct batadv_hard_iface *hard_iface; \ ssize_t length; \ \ hard_iface = batadv_hardif_get_by_netdev(net_dev); \ @@ -164,11 +164,11 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \ /* Use this, if you are going to set [name] in hard_iface to an * unsigned integer value */ -#define BAT_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \ - static BAT_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func) \ - static BAT_ATTR_HIF_SHOW_UINT(_name) \ - static BAT_ATTR(_name, _mode, batadv_show_##_name, \ - batadv_store_##_name) +#define BATADV_ATTR_HIF_UINT(_name, _mode, _min, _max, _post_func) \ + static BATADV_ATTR_HIF_STORE_UINT(_name, _min, _max, _post_func)\ + static BATADV_ATTR_HIF_SHOW_UINT(_name) \ + static BATADV_ATTR(_name, _mode, batadv_show_##_name, \ + batadv_store_##_name) static int batadv_store_bool_attr(char *buff, size_t count, @@ -191,18 +191,17 @@ static int batadv_store_bool_attr(char *buff, size_t count, enabled = 0; if (enabled < 0) { - bat_info(net_dev, - "%s: Invalid parameter received: %s\n", - attr_name, buff); + batadv_info(net_dev, "%s: Invalid parameter received: %s\n", + attr_name, buff); return -EINVAL; } if (atomic_read(attr) == enabled) return count; - bat_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, - atomic_read(attr) == 1 ? "enabled" : "disabled", - enabled == 1 ? "enabled" : "disabled"); + batadv_info(net_dev, "%s: Changing from: %s to: %s\n", attr_name, + atomic_read(attr) == 1 ? "enabled" : "disabled", + enabled == 1 ? "enabled" : "disabled"); atomic_set(attr, (unsigned int)enabled); return count; @@ -235,29 +234,28 @@ static int batadv_store_uint_attr(const char *buff, size_t count, ret = kstrtoul(buff, 10, &uint_val); if (ret) { - bat_info(net_dev, - "%s: Invalid parameter received: %s\n", - attr_name, buff); + batadv_info(net_dev, "%s: Invalid parameter received: %s\n", + attr_name, buff); return -EINVAL; } if (uint_val < min) { - bat_info(net_dev, "%s: Value is too small: %lu min: %u\n", - attr_name, uint_val, min); + batadv_info(net_dev, "%s: Value is too small: %lu min: %u\n", + attr_name, uint_val, min); return -EINVAL; } if (uint_val > max) { - bat_info(net_dev, "%s: Value is too big: %lu max: %u\n", - attr_name, uint_val, max); + batadv_info(net_dev, "%s: Value is too big: %lu max: %u\n", + attr_name, uint_val, max); return -EINVAL; } if (atomic_read(attr) == uint_val) return count; - bat_info(net_dev, "%s: Changing from: %i to: %lu\n", - attr_name, atomic_read(attr), uint_val); + batadv_info(net_dev, "%s: Changing from: %i to: %lu\n", + attr_name, atomic_read(attr), uint_val); atomic_set(attr, uint_val); return count; @@ -283,12 +281,16 @@ __batadv_store_uint_attr(const char *buff, size_t count, static ssize_t batadv_show_vis_mode(struct kobject *kobj, struct attribute *attr, char *buff) { - struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); int vis_mode = atomic_read(&bat_priv->vis_mode); + const char *mode; - return sprintf(buff, "%s\n", - vis_mode == VIS_TYPE_CLIENT_UPDATE ? - "client" : "server"); + if (vis_mode == BATADV_VIS_TYPE_CLIENT_UPDATE) + mode = "client"; + else + mode = "server"; + + return sprintf(buff, "%s\n", mode); } static ssize_t batadv_store_vis_mode(struct kobject *kobj, @@ -296,38 +298,49 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj, size_t count) { struct net_device *net_dev = batadv_kobj_to_netdev(kobj); - struct bat_priv *bat_priv = netdev_priv(net_dev); + struct batadv_priv *bat_priv = netdev_priv(net_dev); unsigned long val; int ret, vis_mode_tmp = -1; + const char *old_mode, *new_mode; ret = kstrtoul(buff, 10, &val); - if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) || + if (((count == 2) && (!ret) && + (val == BATADV_VIS_TYPE_CLIENT_UPDATE)) || (strncmp(buff, "client", 6) == 0) || (strncmp(buff, "off", 3) == 0)) - vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE; + vis_mode_tmp = BATADV_VIS_TYPE_CLIENT_UPDATE; - if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) || + if (((count == 2) && (!ret) && + (val == BATADV_VIS_TYPE_SERVER_SYNC)) || (strncmp(buff, "server", 6) == 0)) - vis_mode_tmp = VIS_TYPE_SERVER_SYNC; + vis_mode_tmp = BATADV_VIS_TYPE_SERVER_SYNC; if (vis_mode_tmp < 0) { if (buff[count - 1] == '\n') buff[count - 1] = '\0'; - bat_info(net_dev, - "Invalid parameter for 'vis mode' setting received: %s\n", - buff); + batadv_info(net_dev, + "Invalid parameter for 'vis mode' setting received: %s\n", + buff); return -EINVAL; } if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp) return count; - bat_info(net_dev, "Changing vis mode from: %s to: %s\n", - atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ? - "client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ? - "client" : "server"); + if (atomic_read(&bat_priv->vis_mode) == BATADV_VIS_TYPE_CLIENT_UPDATE) + old_mode = "client"; + else + old_mode = "server"; + + if (vis_mode_tmp == BATADV_VIS_TYPE_CLIENT_UPDATE) + new_mode = "client"; + else + new_mode = "server"; + + batadv_info(net_dev, "Changing vis mode from: %s to: %s\n", old_mode, + new_mode); atomic_set(&bat_priv->vis_mode, (unsigned int)vis_mode_tmp); return count; @@ -336,31 +349,34 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj, static ssize_t batadv_show_bat_algo(struct kobject *kobj, struct attribute *attr, char *buff) { - struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); return sprintf(buff, "%s\n", bat_priv->bat_algo_ops->name); } static void batadv_post_gw_deselect(struct net_device *net_dev) { - struct bat_priv *bat_priv = netdev_priv(net_dev); + struct batadv_priv *bat_priv = netdev_priv(net_dev); batadv_gw_deselect(bat_priv); } static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, char *buff) { - struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); int bytes_written; switch (atomic_read(&bat_priv->gw_mode)) { - case GW_MODE_CLIENT: - bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME); + case BATADV_GW_MODE_CLIENT: + bytes_written = sprintf(buff, "%s\n", + BATADV_GW_MODE_CLIENT_NAME); break; - case GW_MODE_SERVER: - bytes_written = sprintf(buff, "%s\n", GW_MODE_SERVER_NAME); + case BATADV_GW_MODE_SERVER: + bytes_written = sprintf(buff, "%s\n", + BATADV_GW_MODE_SERVER_NAME); break; default: - bytes_written = sprintf(buff, "%s\n", GW_MODE_OFF_NAME); + bytes_written = sprintf(buff, "%s\n", + BATADV_GW_MODE_OFF_NAME); break; } @@ -372,28 +388,29 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, size_t count) { struct net_device *net_dev = batadv_kobj_to_netdev(kobj); - struct bat_priv *bat_priv = netdev_priv(net_dev); + struct batadv_priv *bat_priv = netdev_priv(net_dev); char *curr_gw_mode_str; int gw_mode_tmp = -1; if (buff[count - 1] == '\n') buff[count - 1] = '\0'; - if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0) - gw_mode_tmp = GW_MODE_OFF; + if (strncmp(buff, BATADV_GW_MODE_OFF_NAME, + strlen(BATADV_GW_MODE_OFF_NAME)) == 0) + gw_mode_tmp = BATADV_GW_MODE_OFF; - if (strncmp(buff, GW_MODE_CLIENT_NAME, - strlen(GW_MODE_CLIENT_NAME)) == 0) - gw_mode_tmp = GW_MODE_CLIENT; + if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME, + strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0) + gw_mode_tmp = BATADV_GW_MODE_CLIENT; - if (strncmp(buff, GW_MODE_SERVER_NAME, - strlen(GW_MODE_SERVER_NAME)) == 0) - gw_mode_tmp = GW_MODE_SERVER; + if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME, + strlen(BATADV_GW_MODE_SERVER_NAME)) == 0) + gw_mode_tmp = BATADV_GW_MODE_SERVER; if (gw_mode_tmp < 0) { - bat_info(net_dev, - "Invalid parameter for 'gw mode' setting received: %s\n", - buff); + batadv_info(net_dev, + "Invalid parameter for 'gw mode' setting received: %s\n", + buff); return -EINVAL; } @@ -401,19 +418,19 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, return count; switch (atomic_read(&bat_priv->gw_mode)) { - case GW_MODE_CLIENT: - curr_gw_mode_str = GW_MODE_CLIENT_NAME; + case BATADV_GW_MODE_CLIENT: + curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME; break; - case GW_MODE_SERVER: - curr_gw_mode_str = GW_MODE_SERVER_NAME; + case BATADV_GW_MODE_SERVER: + curr_gw_mode_str = BATADV_GW_MODE_SERVER_NAME; break; default: - curr_gw_mode_str = GW_MODE_OFF_NAME; + curr_gw_mode_str = BATADV_GW_MODE_OFF_NAME; break; } - bat_info(net_dev, "Changing gw mode from: %s to: %s\n", - curr_gw_mode_str, buff); + batadv_info(net_dev, "Changing gw mode from: %s to: %s\n", + curr_gw_mode_str, buff); batadv_gw_deselect(bat_priv); atomic_set(&bat_priv->gw_mode, (unsigned int)gw_mode_tmp); @@ -423,7 +440,7 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, static ssize_t batadv_show_gw_bwidth(struct kobject *kobj, struct attribute *attr, char *buff) { - struct bat_priv *bat_priv = batadv_kobj_to_batpriv(kobj); + struct batadv_priv *bat_priv = batadv_kobj_to_batpriv(kobj); int down, up; int gw_bandwidth = atomic_read(&bat_priv->gw_bandwidth); @@ -447,29 +464,31 @@ static ssize_t batadv_store_gw_bwidth(struct kobject *kobj, return batadv_gw_bandwidth_set(net_dev, buff, count); } -BAT_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); -BAT_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); +BATADV_ATTR_SIF_BOOL(aggregated_ogms, S_IRUGO | S_IWUSR, NULL); +BATADV_ATTR_SIF_BOOL(bonding, S_IRUGO | S_IWUSR, NULL); #ifdef CONFIG_BATMAN_ADV_BLA -BAT_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); +BATADV_ATTR_SIF_BOOL(bridge_loop_avoidance, S_IRUGO | S_IWUSR, NULL); #endif -BAT_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu); -BAT_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); -static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, batadv_show_vis_mode, - batadv_store_vis_mode); -static BAT_ATTR(routing_algo, S_IRUGO, batadv_show_bat_algo, NULL); -static BAT_ATTR(gw_mode, S_IRUGO | S_IWUSR, batadv_show_gw_mode, - batadv_store_gw_mode); -BAT_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * JITTER, INT_MAX, NULL); -BAT_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, TQ_MAX_VALUE, NULL); -BAT_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE, - batadv_post_gw_deselect); -static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, - batadv_store_gw_bwidth); +BATADV_ATTR_SIF_BOOL(fragmentation, S_IRUGO | S_IWUSR, batadv_update_min_mtu); +BATADV_ATTR_SIF_BOOL(ap_isolation, S_IRUGO | S_IWUSR, NULL); +static BATADV_ATTR(vis_mode, S_IRUGO | S_IWUSR, batadv_show_vis_mode, + batadv_store_vis_mode); +static BATADV_ATTR(routing_algo, S_IRUGO, batadv_show_bat_algo, NULL); +static BATADV_ATTR(gw_mode, S_IRUGO | S_IWUSR, batadv_show_gw_mode, + batadv_store_gw_mode); +BATADV_ATTR_SIF_UINT(orig_interval, S_IRUGO | S_IWUSR, 2 * BATADV_JITTER, + INT_MAX, NULL); +BATADV_ATTR_SIF_UINT(hop_penalty, S_IRUGO | S_IWUSR, 0, BATADV_TQ_MAX_VALUE, + NULL); +BATADV_ATTR_SIF_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, BATADV_TQ_MAX_VALUE, + batadv_post_gw_deselect); +static BATADV_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, batadv_show_gw_bwidth, + batadv_store_gw_bwidth); #ifdef CONFIG_BATMAN_ADV_DEBUG -BAT_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, DBG_ALL, NULL); +BATADV_ATTR_SIF_UINT(log_level, S_IRUGO | S_IWUSR, 0, BATADV_DBG_ALL, NULL); #endif -static struct bat_attribute *batadv_mesh_attrs[] = { +static struct batadv_attribute *batadv_mesh_attrs[] = { &batadv_attr_aggregated_ogms, &batadv_attr_bonding, #ifdef CONFIG_BATMAN_ADV_BLA @@ -493,15 +512,15 @@ static struct bat_attribute *batadv_mesh_attrs[] = { int batadv_sysfs_add_meshif(struct net_device *dev) { struct kobject *batif_kobject = &dev->dev.kobj; - struct bat_priv *bat_priv = netdev_priv(dev); - struct bat_attribute **bat_attr; + struct batadv_priv *bat_priv = netdev_priv(dev); + struct batadv_attribute **bat_attr; int err; - bat_priv->mesh_obj = kobject_create_and_add(SYSFS_IF_MESH_SUBDIR, + bat_priv->mesh_obj = kobject_create_and_add(BATADV_SYSFS_IF_MESH_SUBDIR, batif_kobject); if (!bat_priv->mesh_obj) { - bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, - SYSFS_IF_MESH_SUBDIR); + batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, + BATADV_SYSFS_IF_MESH_SUBDIR); goto out; } @@ -509,9 +528,9 @@ int batadv_sysfs_add_meshif(struct net_device *dev) err = sysfs_create_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); if (err) { - bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", - dev->name, SYSFS_IF_MESH_SUBDIR, - ((*bat_attr)->attr).name); + batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", + dev->name, BATADV_SYSFS_IF_MESH_SUBDIR, + ((*bat_attr)->attr).name); goto rem_attr; } } @@ -530,8 +549,8 @@ out: void batadv_sysfs_del_meshif(struct net_device *dev) { - struct bat_priv *bat_priv = netdev_priv(dev); - struct bat_attribute **bat_attr; + struct batadv_priv *bat_priv = netdev_priv(dev); + struct batadv_attribute **bat_attr; for (bat_attr = batadv_mesh_attrs; *bat_attr; ++bat_attr) sysfs_remove_file(bat_priv->mesh_obj, &((*bat_attr)->attr)); @@ -544,14 +563,20 @@ static ssize_t batadv_show_mesh_iface(struct kobject *kobj, struct attribute *attr, char *buff) { struct net_device *net_dev = batadv_kobj_to_netdev(kobj); - struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); + struct batadv_hard_iface *hard_iface; ssize_t length; + const char *ifname; + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return 0; - length = sprintf(buff, "%s\n", hard_iface->if_status == IF_NOT_IN_USE ? - "none" : hard_iface->soft_iface->name); + if (hard_iface->if_status == BATADV_IF_NOT_IN_USE) + ifname = "none"; + else + ifname = hard_iface->soft_iface->name; + + length = sprintf(buff, "%s\n", ifname); batadv_hardif_free_ref(hard_iface); @@ -563,10 +588,11 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj, size_t count) { struct net_device *net_dev = batadv_kobj_to_netdev(kobj); - struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); + struct batadv_hard_iface *hard_iface; int status_tmp = -1; int ret = count; + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return count; @@ -581,9 +607,9 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj, } if (strncmp(buff, "none", 4) == 0) - status_tmp = IF_NOT_IN_USE; + status_tmp = BATADV_IF_NOT_IN_USE; else - status_tmp = IF_I_WANT_YOU; + status_tmp = BATADV_IF_I_WANT_YOU; if (hard_iface->if_status == status_tmp) goto out; @@ -597,13 +623,13 @@ static ssize_t batadv_store_mesh_iface(struct kobject *kobj, goto out; } - if (status_tmp == IF_NOT_IN_USE) { + if (status_tmp == BATADV_IF_NOT_IN_USE) { batadv_hardif_disable_interface(hard_iface); goto unlock; } /* if the interface already is in use */ - if (hard_iface->if_status != IF_NOT_IN_USE) + if (hard_iface->if_status != BATADV_IF_NOT_IN_USE) batadv_hardif_disable_interface(hard_iface); ret = batadv_hardif_enable_interface(hard_iface, buff); @@ -619,26 +645,27 @@ static ssize_t batadv_show_iface_status(struct kobject *kobj, struct attribute *attr, char *buff) { struct net_device *net_dev = batadv_kobj_to_netdev(kobj); - struct hard_iface *hard_iface = batadv_hardif_get_by_netdev(net_dev); + struct batadv_hard_iface *hard_iface; ssize_t length; + hard_iface = batadv_hardif_get_by_netdev(net_dev); if (!hard_iface) return 0; switch (hard_iface->if_status) { - case IF_TO_BE_REMOVED: + case BATADV_IF_TO_BE_REMOVED: length = sprintf(buff, "disabling\n"); break; - case IF_INACTIVE: + case BATADV_IF_INACTIVE: length = sprintf(buff, "inactive\n"); break; - case IF_ACTIVE: + case BATADV_IF_ACTIVE: length = sprintf(buff, "active\n"); break; - case IF_TO_BE_ACTIVATED: + case BATADV_IF_TO_BE_ACTIVATED: length = sprintf(buff, "enabling\n"); break; - case IF_NOT_IN_USE: + case BATADV_IF_NOT_IN_USE: default: length = sprintf(buff, "not in use\n"); break; @@ -649,11 +676,11 @@ static ssize_t batadv_show_iface_status(struct kobject *kobj, return length; } -static BAT_ATTR(mesh_iface, S_IRUGO | S_IWUSR, - batadv_show_mesh_iface, batadv_store_mesh_iface); -static BAT_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL); +static BATADV_ATTR(mesh_iface, S_IRUGO | S_IWUSR, batadv_show_mesh_iface, + batadv_store_mesh_iface); +static BATADV_ATTR(iface_status, S_IRUGO, batadv_show_iface_status, NULL); -static struct bat_attribute *batadv_batman_attrs[] = { +static struct batadv_attribute *batadv_batman_attrs[] = { &batadv_attr_mesh_iface, &batadv_attr_iface_status, NULL, @@ -662,24 +689,24 @@ static struct bat_attribute *batadv_batman_attrs[] = { int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) { struct kobject *hardif_kobject = &dev->dev.kobj; - struct bat_attribute **bat_attr; + struct batadv_attribute **bat_attr; int err; - *hardif_obj = kobject_create_and_add(SYSFS_IF_BAT_SUBDIR, - hardif_kobject); + *hardif_obj = kobject_create_and_add(BATADV_SYSFS_IF_BAT_SUBDIR, + hardif_kobject); if (!*hardif_obj) { - bat_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, - SYSFS_IF_BAT_SUBDIR); + batadv_err(dev, "Can't add sysfs directory: %s/%s\n", dev->name, + BATADV_SYSFS_IF_BAT_SUBDIR); goto out; } for (bat_attr = batadv_batman_attrs; *bat_attr; ++bat_attr) { err = sysfs_create_file(*hardif_obj, &((*bat_attr)->attr)); if (err) { - bat_err(dev, "Can't add sysfs file: %s/%s/%s\n", - dev->name, SYSFS_IF_BAT_SUBDIR, - ((*bat_attr)->attr).name); + batadv_err(dev, "Can't add sysfs file: %s/%s/%s\n", + dev->name, BATADV_SYSFS_IF_BAT_SUBDIR, + ((*bat_attr)->attr).name); goto rem_attr; } } @@ -699,11 +726,11 @@ void batadv_sysfs_del_hardif(struct kobject **hardif_obj) *hardif_obj = NULL; } -int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, - enum uev_action action, const char *data) +int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type, + enum batadv_uev_action action, const char *data) { int ret = -ENOMEM; - struct hard_iface *primary_if = NULL; + struct batadv_hard_iface *primary_if = NULL; struct kobject *bat_kobj; char *uevent_env[4] = { NULL, NULL, NULL, NULL }; @@ -713,31 +740,32 @@ int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, bat_kobj = &primary_if->soft_iface->dev.kobj; - uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) + + uevent_env[0] = kmalloc(strlen(BATADV_UEV_TYPE_VAR) + strlen(batadv_uev_type_str[type]) + 1, GFP_ATOMIC); if (!uevent_env[0]) goto out; - sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, batadv_uev_type_str[type]); + sprintf(uevent_env[0], "%s%s", BATADV_UEV_TYPE_VAR, + batadv_uev_type_str[type]); - uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) + + uevent_env[1] = kmalloc(strlen(BATADV_UEV_ACTION_VAR) + strlen(batadv_uev_action_str[action]) + 1, GFP_ATOMIC); if (!uevent_env[1]) goto out; - sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, + sprintf(uevent_env[1], "%s%s", BATADV_UEV_ACTION_VAR, batadv_uev_action_str[action]); /* If the event is DEL, ignore the data field */ - if (action != UEV_DEL) { - uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) + + if (action != BATADV_UEV_DEL) { + uevent_env[2] = kmalloc(strlen(BATADV_UEV_DATA_VAR) + strlen(data) + 1, GFP_ATOMIC); if (!uevent_env[2]) goto out; - sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data); + sprintf(uevent_env[2], "%s%s", BATADV_UEV_DATA_VAR, data); } ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env); @@ -750,10 +778,10 @@ out: batadv_hardif_free_ref(primary_if); if (ret) - batadv_dbg(DBG_BATMAN, bat_priv, + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, "Impossible to send uevent for (%s,%s,%s) event (err: %d)\n", batadv_uev_type_str[type], batadv_uev_action_str[action], - (action == UEV_DEL ? "NULL" : data), ret); + (action == BATADV_UEV_DEL ? "NULL" : data), ret); return ret; } diff --git a/net/batman-adv/bat_sysfs.h b/net/batman-adv/sysfs.h index 3672277..3fd1412 100644 --- a/net/batman-adv/bat_sysfs.h +++ b/net/batman-adv/sysfs.h @@ -20,10 +20,10 @@ #ifndef _NET_BATMAN_ADV_SYSFS_H_ #define _NET_BATMAN_ADV_SYSFS_H_ -#define SYSFS_IF_MESH_SUBDIR "mesh" -#define SYSFS_IF_BAT_SUBDIR "batman_adv" +#define BATADV_SYSFS_IF_MESH_SUBDIR "mesh" +#define BATADV_SYSFS_IF_BAT_SUBDIR "batman_adv" -struct bat_attribute { +struct batadv_attribute { struct attribute attr; ssize_t (*show)(struct kobject *kobj, struct attribute *attr, char *buf); @@ -36,7 +36,7 @@ void batadv_sysfs_del_meshif(struct net_device *dev); int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev); void batadv_sysfs_del_hardif(struct kobject **hardif_obj); -int batadv_throw_uevent(struct bat_priv *bat_priv, enum uev_type type, - enum uev_action action, const char *data); +int batadv_throw_uevent(struct batadv_priv *bat_priv, enum batadv_uev_type type, + enum batadv_uev_action action, const char *data); #endif /* _NET_BATMAN_ADV_SYSFS_H_ */ diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index c673b58..a438f4b 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -29,34 +29,35 @@ #include <linux/crc16.h> -static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client, - struct orig_node *orig_node); +static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client, + struct batadv_orig_node *orig_node); static void batadv_tt_purge(struct work_struct *work); static void -batadv_tt_global_del_orig_list(struct tt_global_entry *tt_global_entry); +batadv_tt_global_del_orig_list(struct batadv_tt_global_entry *tt_global_entry); /* returns 1 if they are the same mac addr */ static int batadv_compare_tt(const struct hlist_node *node, const void *data2) { - const void *data1 = container_of(node, struct tt_common_entry, + const void *data1 = container_of(node, struct batadv_tt_common_entry, hash_entry); return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); } -static void batadv_tt_start_timer(struct bat_priv *bat_priv) +static void batadv_tt_start_timer(struct batadv_priv *bat_priv) { INIT_DELAYED_WORK(&bat_priv->tt_work, batadv_tt_purge); queue_delayed_work(batadv_event_workqueue, &bat_priv->tt_work, msecs_to_jiffies(5000)); } -static struct tt_common_entry *batadv_tt_hash_find(struct hashtable_t *hash, - const void *data) +static struct batadv_tt_common_entry * +batadv_tt_hash_find(struct batadv_hashtable *hash, const void *data) { struct hlist_head *head; struct hlist_node *node; - struct tt_common_entry *tt_common_entry, *tt_common_entry_tmp = NULL; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_common_entry *tt_common_entry_tmp = NULL; uint32_t index; if (!hash) @@ -81,35 +82,37 @@ static struct tt_common_entry *batadv_tt_hash_find(struct hashtable_t *hash, return tt_common_entry_tmp; } -static struct tt_local_entry * -batadv_tt_local_hash_find(struct bat_priv *bat_priv, const void *data) +static struct batadv_tt_local_entry * +batadv_tt_local_hash_find(struct batadv_priv *bat_priv, const void *data) { - struct tt_common_entry *tt_common_entry; - struct tt_local_entry *tt_local_entry = NULL; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_local_entry *tt_local_entry = NULL; tt_common_entry = batadv_tt_hash_find(bat_priv->tt_local_hash, data); if (tt_common_entry) tt_local_entry = container_of(tt_common_entry, - struct tt_local_entry, common); + struct batadv_tt_local_entry, + common); return tt_local_entry; } -static struct tt_global_entry * -batadv_tt_global_hash_find(struct bat_priv *bat_priv, const void *data) +static struct batadv_tt_global_entry * +batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const void *data) { - struct tt_common_entry *tt_common_entry; - struct tt_global_entry *tt_global_entry = NULL; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_global_entry *tt_global_entry = NULL; tt_common_entry = batadv_tt_hash_find(bat_priv->tt_global_hash, data); if (tt_common_entry) tt_global_entry = container_of(tt_common_entry, - struct tt_global_entry, common); + struct batadv_tt_global_entry, + common); return tt_global_entry; } static void -batadv_tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry) +batadv_tt_local_entry_free_ref(struct batadv_tt_local_entry *tt_local_entry) { if (atomic_dec_and_test(&tt_local_entry->common.refcount)) kfree_rcu(tt_local_entry, common.rcu); @@ -117,18 +120,18 @@ batadv_tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry) static void batadv_tt_global_entry_free_rcu(struct rcu_head *rcu) { - struct tt_common_entry *tt_common_entry; - struct tt_global_entry *tt_global_entry; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_global_entry *tt_global_entry; - tt_common_entry = container_of(rcu, struct tt_common_entry, rcu); - tt_global_entry = container_of(tt_common_entry, struct tt_global_entry, - common); + tt_common_entry = container_of(rcu, struct batadv_tt_common_entry, rcu); + tt_global_entry = container_of(tt_common_entry, + struct batadv_tt_global_entry, common); kfree(tt_global_entry); } static void -batadv_tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry) +batadv_tt_global_entry_free_ref(struct batadv_tt_global_entry *tt_global_entry) { if (atomic_dec_and_test(&tt_global_entry->common.refcount)) { batadv_tt_global_del_orig_list(tt_global_entry); @@ -139,25 +142,27 @@ batadv_tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry) static void batadv_tt_orig_list_entry_free_rcu(struct rcu_head *rcu) { - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; - orig_entry = container_of(rcu, struct tt_orig_list_entry, rcu); + orig_entry = container_of(rcu, struct batadv_tt_orig_list_entry, rcu); batadv_orig_node_free_ref(orig_entry->orig_node); kfree(orig_entry); } static void -batadv_tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry) +batadv_tt_orig_list_entry_free_ref(struct batadv_tt_orig_list_entry *orig_entry) { /* to avoid race conditions, immediately decrease the tt counter */ atomic_dec(&orig_entry->orig_node->tt_size); call_rcu(&orig_entry->rcu, batadv_tt_orig_list_entry_free_rcu); } -static void batadv_tt_local_event(struct bat_priv *bat_priv, +static void batadv_tt_local_event(struct batadv_priv *bat_priv, const uint8_t *addr, uint8_t flags) { - struct tt_change_node *tt_change_node; + struct batadv_tt_change_node *tt_change_node, *entry, *safe; + bool event_removed = false; + bool del_op_requested, del_op_entry; tt_change_node = kmalloc(sizeof(*tt_change_node), GFP_ATOMIC); @@ -167,21 +172,53 @@ static void batadv_tt_local_event(struct bat_priv *bat_priv, tt_change_node->change.flags = flags; memcpy(tt_change_node->change.addr, addr, ETH_ALEN); + del_op_requested = flags & BATADV_TT_CLIENT_DEL; + + /* check for ADD+DEL or DEL+ADD events */ spin_lock_bh(&bat_priv->tt_changes_list_lock); + list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list, + list) { + if (!batadv_compare_eth(entry->change.addr, addr)) + continue; + + /* DEL+ADD in the same orig interval have no effect and can be + * removed to avoid silly behaviour on the receiver side. The + * other way around (ADD+DEL) can happen in case of roaming of + * a client still in the NEW state. Roaming of NEW clients is + * now possible due to automatically recognition of "temporary" + * clients + */ + del_op_entry = entry->change.flags & BATADV_TT_CLIENT_DEL; + if (!del_op_requested && del_op_entry) + goto del; + if (del_op_requested && !del_op_entry) + goto del; + continue; +del: + list_del(&entry->list); + kfree(entry); + event_removed = true; + goto unlock; + } + /* track the change in the OGMinterval list */ list_add_tail(&tt_change_node->list, &bat_priv->tt_changes_list); - atomic_inc(&bat_priv->tt_local_changes); + +unlock: spin_unlock_bh(&bat_priv->tt_changes_list_lock); - atomic_set(&bat_priv->tt_ogm_append_cnt, 0); + if (event_removed) + atomic_dec(&bat_priv->tt_local_changes); + else + atomic_inc(&bat_priv->tt_local_changes); } int batadv_tt_len(int changes_num) { - return changes_num * sizeof(struct tt_change); + return changes_num * sizeof(struct batadv_tt_change); } -static int batadv_tt_local_init(struct bat_priv *bat_priv) +static int batadv_tt_local_init(struct batadv_priv *bat_priv) { if (bat_priv->tt_local_hash) return 0; @@ -197,20 +234,20 @@ static int batadv_tt_local_init(struct bat_priv *bat_priv) void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, int ifindex) { - struct bat_priv *bat_priv = netdev_priv(soft_iface); - struct tt_local_entry *tt_local_entry = NULL; - struct tt_global_entry *tt_global_entry = NULL; + struct batadv_priv *bat_priv = netdev_priv(soft_iface); + struct batadv_tt_local_entry *tt_local_entry = NULL; + struct batadv_tt_global_entry *tt_global_entry = NULL; struct hlist_head *head; struct hlist_node *node; - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; int hash_added; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr); if (tt_local_entry) { tt_local_entry->last_seen = jiffies; - /* possibly unset the TT_CLIENT_PENDING flag */ - tt_local_entry->common.flags &= ~TT_CLIENT_PENDING; + /* possibly unset the BATADV_TT_CLIENT_PENDING flag */ + tt_local_entry->common.flags &= ~BATADV_TT_CLIENT_PENDING; goto out; } @@ -218,26 +255,26 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, if (!tt_local_entry) goto out; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Creating new local tt entry: %pM (ttvn: %d)\n", addr, (uint8_t)atomic_read(&bat_priv->ttvn)); memcpy(tt_local_entry->common.addr, addr, ETH_ALEN); - tt_local_entry->common.flags = NO_FLAGS; + tt_local_entry->common.flags = BATADV_NO_FLAGS; if (batadv_is_wifi_iface(ifindex)) - tt_local_entry->common.flags |= TT_CLIENT_WIFI; + tt_local_entry->common.flags |= BATADV_TT_CLIENT_WIFI; atomic_set(&tt_local_entry->common.refcount, 2); tt_local_entry->last_seen = jiffies; /* the batman interface mac address should never be purged */ if (batadv_compare_eth(addr, soft_iface->dev_addr)) - tt_local_entry->common.flags |= TT_CLIENT_NOPURGE; + tt_local_entry->common.flags |= BATADV_TT_CLIENT_NOPURGE; /* The local entry has to be marked as NEW to avoid to send it in * a full table response going out before the next ttvn increment * (consistency check) */ - tt_local_entry->common.flags |= TT_CLIENT_NEW; + tt_local_entry->common.flags |= BATADV_TT_CLIENT_NEW; hash_added = batadv_hash_add(bat_priv->tt_local_hash, batadv_compare_tt, batadv_choose_orig, @@ -271,7 +308,7 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, /* The global entry has to be marked as ROAMING and * has to be kept for consistency purpose */ - tt_global_entry->common.flags |= TT_CLIENT_ROAM; + tt_global_entry->common.flags |= BATADV_TT_CLIENT_ROAM; tt_global_entry->roam_at = jiffies; } out: @@ -299,12 +336,12 @@ static void batadv_tt_realloc_packet_buff(unsigned char **packet_buff, } } -static void batadv_tt_prepare_packet_buff(struct bat_priv *bat_priv, +static void batadv_tt_prepare_packet_buff(struct batadv_priv *bat_priv, unsigned char **packet_buff, int *packet_buff_len, int min_packet_len) { - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; int req_len; primary_if = batadv_primary_if_get_selected(bat_priv); @@ -325,12 +362,12 @@ static void batadv_tt_prepare_packet_buff(struct bat_priv *bat_priv, batadv_hardif_free_ref(primary_if); } -static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv, +static int batadv_tt_changes_fill_buff(struct batadv_priv *bat_priv, unsigned char **packet_buff, int *packet_buff_len, int min_packet_len) { - struct tt_change_node *entry, *safe; + struct batadv_tt_change_node *entry, *safe; int count = 0, tot_changes = 0, new_len; unsigned char *tt_buff; @@ -350,7 +387,7 @@ static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv, list) { if (count < tot_changes) { memcpy(tt_buff + batadv_tt_len(count), - &entry->change, sizeof(struct tt_change)); + &entry->change, sizeof(struct batadv_tt_change)); count++; } list_del(&entry->list); @@ -382,10 +419,10 @@ static int batadv_tt_changes_fill_buff(struct bat_priv *bat_priv, int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) { struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); - struct hashtable_t *hash = bat_priv->tt_local_hash; - struct tt_common_entry *tt_common_entry; - struct hard_iface *primary_if; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hashtable *hash = bat_priv->tt_local_hash; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_hard_iface *primary_if; struct hlist_node *node; struct hlist_head *head; uint32_t i; @@ -399,7 +436,7 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) goto out; } - if (primary_if->if_status != IF_ACTIVE) { + if (primary_if->if_status != BATADV_IF_ACTIVE) { ret = seq_printf(seq, "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); @@ -419,15 +456,15 @@ int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset) seq_printf(seq, " * %pM [%c%c%c%c%c]\n", tt_common_entry->addr, (tt_common_entry->flags & - TT_CLIENT_ROAM ? 'R' : '.'), + BATADV_TT_CLIENT_ROAM ? 'R' : '.'), (tt_common_entry->flags & - TT_CLIENT_NOPURGE ? 'P' : '.'), + BATADV_TT_CLIENT_NOPURGE ? 'P' : '.'), (tt_common_entry->flags & - TT_CLIENT_NEW ? 'N' : '.'), + BATADV_TT_CLIENT_NEW ? 'N' : '.'), (tt_common_entry->flags & - TT_CLIENT_PENDING ? 'X' : '.'), + BATADV_TT_CLIENT_PENDING ? 'X' : '.'), (tt_common_entry->flags & - TT_CLIENT_WIFI ? 'W' : '.')); + BATADV_TT_CLIENT_WIFI ? 'W' : '.')); } rcu_read_unlock(); } @@ -437,9 +474,10 @@ out: return ret; } -static void batadv_tt_local_set_pending(struct bat_priv *bat_priv, - struct tt_local_entry *tt_local_entry, - uint16_t flags, const char *message) +static void +batadv_tt_local_set_pending(struct batadv_priv *bat_priv, + struct batadv_tt_local_entry *tt_local_entry, + uint16_t flags, const char *message) { batadv_tt_local_event(bat_priv, tt_local_entry->common.addr, tt_local_entry->common.flags | flags); @@ -448,36 +486,64 @@ static void batadv_tt_local_set_pending(struct bat_priv *bat_priv, * to be kept in the table in order to send it in a full table * response issued before the net ttvn increment (consistency check) */ - tt_local_entry->common.flags |= TT_CLIENT_PENDING; + tt_local_entry->common.flags |= BATADV_TT_CLIENT_PENDING; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Local tt entry (%pM) pending to be removed: %s\n", tt_local_entry->common.addr, message); } -void batadv_tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr, +void batadv_tt_local_remove(struct batadv_priv *bat_priv, const uint8_t *addr, const char *message, bool roaming) { - struct tt_local_entry *tt_local_entry = NULL; + struct batadv_tt_local_entry *tt_local_entry = NULL; + uint16_t flags; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr); if (!tt_local_entry) goto out; - batadv_tt_local_set_pending(bat_priv, tt_local_entry, TT_CLIENT_DEL | - (roaming ? TT_CLIENT_ROAM : NO_FLAGS), - message); + flags = BATADV_TT_CLIENT_DEL; + if (roaming) + flags |= BATADV_TT_CLIENT_ROAM; + + batadv_tt_local_set_pending(bat_priv, tt_local_entry, flags, message); out: if (tt_local_entry) batadv_tt_local_entry_free_ref(tt_local_entry); } -static void batadv_tt_local_purge(struct bat_priv *bat_priv) +static void batadv_tt_local_purge_list(struct batadv_priv *bat_priv, + struct hlist_head *head) { - struct hashtable_t *hash = bat_priv->tt_local_hash; - struct tt_local_entry *tt_local_entry; - struct tt_common_entry *tt_common_entry; + struct batadv_tt_local_entry *tt_local_entry; + struct batadv_tt_common_entry *tt_common_entry; struct hlist_node *node, *node_tmp; + + hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head, + hash_entry) { + tt_local_entry = container_of(tt_common_entry, + struct batadv_tt_local_entry, + common); + if (tt_local_entry->common.flags & BATADV_TT_CLIENT_NOPURGE) + continue; + + /* entry already marked for deletion */ + if (tt_local_entry->common.flags & BATADV_TT_CLIENT_PENDING) + continue; + + if (!batadv_has_timed_out(tt_local_entry->last_seen, + BATADV_TT_LOCAL_TIMEOUT)) + continue; + + batadv_tt_local_set_pending(bat_priv, tt_local_entry, + BATADV_TT_CLIENT_DEL, "timed out"); + } +} + +static void batadv_tt_local_purge(struct batadv_priv *bat_priv) +{ + struct batadv_hashtable *hash = bat_priv->tt_local_hash; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ uint32_t i; @@ -487,36 +553,18 @@ static void batadv_tt_local_purge(struct bat_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, - head, hash_entry) { - tt_local_entry = container_of(tt_common_entry, - struct tt_local_entry, - common); - if (tt_local_entry->common.flags & TT_CLIENT_NOPURGE) - continue; - - /* entry already marked for deletion */ - if (tt_local_entry->common.flags & TT_CLIENT_PENDING) - continue; - - if (!batadv_has_timed_out(tt_local_entry->last_seen, - TT_LOCAL_TIMEOUT)) - continue; - - batadv_tt_local_set_pending(bat_priv, tt_local_entry, - TT_CLIENT_DEL, "timed out"); - } + batadv_tt_local_purge_list(bat_priv, head); spin_unlock_bh(list_lock); } } -static void batadv_tt_local_table_free(struct bat_priv *bat_priv) +static void batadv_tt_local_table_free(struct batadv_priv *bat_priv) { - struct hashtable_t *hash; + struct batadv_hashtable *hash; spinlock_t *list_lock; /* protects write access to the hash lists */ - struct tt_common_entry *tt_common_entry; - struct tt_local_entry *tt_local_entry; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_local_entry *tt_local; struct hlist_node *node, *node_tmp; struct hlist_head *head; uint32_t i; @@ -534,10 +582,10 @@ static void batadv_tt_local_table_free(struct bat_priv *bat_priv) hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head, hash_entry) { hlist_del_rcu(node); - tt_local_entry = container_of(tt_common_entry, - struct tt_local_entry, - common); - batadv_tt_local_entry_free_ref(tt_local_entry); + tt_local = container_of(tt_common_entry, + struct batadv_tt_local_entry, + common); + batadv_tt_local_entry_free_ref(tt_local); } spin_unlock_bh(list_lock); } @@ -547,7 +595,7 @@ static void batadv_tt_local_table_free(struct bat_priv *bat_priv) bat_priv->tt_local_hash = NULL; } -static int batadv_tt_global_init(struct bat_priv *bat_priv) +static int batadv_tt_global_init(struct batadv_priv *bat_priv) { if (bat_priv->tt_global_hash) return 0; @@ -560,9 +608,9 @@ static int batadv_tt_global_init(struct bat_priv *bat_priv) return 0; } -static void batadv_tt_changes_list_free(struct bat_priv *bat_priv) +static void batadv_tt_changes_list_free(struct batadv_priv *bat_priv) { - struct tt_change_node *entry, *safe; + struct batadv_tt_change_node *entry, *safe; spin_lock_bh(&bat_priv->tt_changes_list_lock); @@ -579,10 +627,11 @@ static void batadv_tt_changes_list_free(struct bat_priv *bat_priv) /* find out if an orig_node is already in the list of a tt_global_entry. * returns 1 if found, 0 otherwise */ -static bool batadv_tt_global_entry_has_orig(const struct tt_global_entry *entry, - const struct orig_node *orig_node) +static bool +batadv_tt_global_entry_has_orig(const struct batadv_tt_global_entry *entry, + const struct batadv_orig_node *orig_node) { - struct tt_orig_list_entry *tmp_orig_entry; + struct batadv_tt_orig_list_entry *tmp_orig_entry; const struct hlist_head *head; struct hlist_node *node; bool found = false; @@ -600,10 +649,10 @@ static bool batadv_tt_global_entry_has_orig(const struct tt_global_entry *entry, } static void -batadv_tt_global_add_orig_entry(struct tt_global_entry *tt_global_entry, - struct orig_node *orig_node, int ttvn) +batadv_tt_global_add_orig_entry(struct batadv_tt_global_entry *tt_global_entry, + struct batadv_orig_node *orig_node, int ttvn) { - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; orig_entry = kzalloc(sizeof(*orig_entry), GFP_ATOMIC); if (!orig_entry) @@ -622,27 +671,27 @@ batadv_tt_global_add_orig_entry(struct tt_global_entry *tt_global_entry, } /* caller must hold orig_node refcount */ -int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, - const unsigned char *tt_addr, uint8_t ttvn, - bool roaming, bool wifi) +int batadv_tt_global_add(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + const unsigned char *tt_addr, uint8_t flags, + uint8_t ttvn) { - struct tt_global_entry *tt_global_entry = NULL; + struct batadv_tt_global_entry *tt_global_entry = NULL; int ret = 0; int hash_added; - struct tt_common_entry *common; + struct batadv_tt_common_entry *common; tt_global_entry = batadv_tt_global_hash_find(bat_priv, tt_addr); if (!tt_global_entry) { - tt_global_entry = kzalloc(sizeof(*tt_global_entry), - GFP_ATOMIC); + tt_global_entry = kzalloc(sizeof(*tt_global_entry), GFP_ATOMIC); if (!tt_global_entry) goto out; common = &tt_global_entry->common; memcpy(common->addr, tt_addr, ETH_ALEN); - common->flags = NO_FLAGS; + common->flags = flags; tt_global_entry->roam_at = 0; atomic_set(&common->refcount, 2); @@ -665,16 +714,16 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, } else { /* there is already a global entry, use this one. */ - /* If there is the TT_CLIENT_ROAM flag set, there is only one - * originator left in the list and we previously received a + /* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only + * one originator left in the list and we previously received a * delete + roaming change for this originator. * * We should first delete the old originator before adding the * new one. */ - if (tt_global_entry->common.flags & TT_CLIENT_ROAM) { + if (tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM) { batadv_tt_global_del_orig_list(tt_global_entry); - tt_global_entry->common.flags &= ~TT_CLIENT_ROAM; + tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_ROAM; tt_global_entry->roam_at = 0; } @@ -684,17 +733,15 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, orig_node, ttvn); } - if (wifi) - tt_global_entry->common.flags |= TT_CLIENT_WIFI; - - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Creating new global tt entry: %pM (via %pM)\n", tt_global_entry->common.addr, orig_node->orig); out_remove: /* remove address from local hash if present */ batadv_tt_local_remove(bat_priv, tt_global_entry->common.addr, - "global tt received", roaming); + "global tt received", + flags & BATADV_TT_CLIENT_ROAM); ret = 1; out: if (tt_global_entry) @@ -706,13 +753,13 @@ out: * it is assumed that the caller holds rcu_read_lock(); */ static void -batadv_tt_global_print_entry(struct tt_global_entry *tt_global_entry, +batadv_tt_global_print_entry(struct batadv_tt_global_entry *tt_global_entry, struct seq_file *seq) { struct hlist_head *head; struct hlist_node *node; - struct tt_orig_list_entry *orig_entry; - struct tt_common_entry *tt_common_entry; + struct batadv_tt_orig_list_entry *orig_entry; + struct batadv_tt_common_entry *tt_common_entry; uint16_t flags; uint8_t last_ttvn; @@ -726,19 +773,19 @@ batadv_tt_global_print_entry(struct tt_global_entry *tt_global_entry, seq_printf(seq, " * %pM (%3u) via %pM (%3u) [%c%c]\n", tt_global_entry->common.addr, orig_entry->ttvn, orig_entry->orig_node->orig, last_ttvn, - (flags & TT_CLIENT_ROAM ? 'R' : '.'), - (flags & TT_CLIENT_WIFI ? 'W' : '.')); + (flags & BATADV_TT_CLIENT_ROAM ? 'R' : '.'), + (flags & BATADV_TT_CLIENT_WIFI ? 'W' : '.')); } } int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset) { struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); - struct hashtable_t *hash = bat_priv->tt_global_hash; - struct tt_common_entry *tt_common_entry; - struct tt_global_entry *tt_global_entry; - struct hard_iface *primary_if; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hashtable *hash = bat_priv->tt_global_hash; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_global_entry *tt_global; + struct batadv_hard_iface *primary_if; struct hlist_node *node; struct hlist_head *head; uint32_t i; @@ -752,7 +799,7 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset) goto out; } - if (primary_if->if_status != IF_ACTIVE) { + if (primary_if->if_status != BATADV_IF_ACTIVE) { ret = seq_printf(seq, "BATMAN mesh %s disabled - primary interface not active\n", net_dev->name); @@ -771,10 +818,10 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset) rcu_read_lock(); hlist_for_each_entry_rcu(tt_common_entry, node, head, hash_entry) { - tt_global_entry = container_of(tt_common_entry, - struct tt_global_entry, - common); - batadv_tt_global_print_entry(tt_global_entry, seq); + tt_global = container_of(tt_common_entry, + struct batadv_tt_global_entry, + common); + batadv_tt_global_print_entry(tt_global, seq); } rcu_read_unlock(); } @@ -786,11 +833,11 @@ out: /* deletes the orig list of a tt_global_entry */ static void -batadv_tt_global_del_orig_list(struct tt_global_entry *tt_global_entry) +batadv_tt_global_del_orig_list(struct batadv_tt_global_entry *tt_global_entry) { struct hlist_head *head; struct hlist_node *node, *safe; - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; spin_lock_bh(&tt_global_entry->list_lock); head = &tt_global_entry->orig_list; @@ -803,20 +850,20 @@ batadv_tt_global_del_orig_list(struct tt_global_entry *tt_global_entry) } static void -batadv_tt_global_del_orig_entry(struct bat_priv *bat_priv, - struct tt_global_entry *tt_global_entry, - struct orig_node *orig_node, +batadv_tt_global_del_orig_entry(struct batadv_priv *bat_priv, + struct batadv_tt_global_entry *tt_global_entry, + struct batadv_orig_node *orig_node, const char *message) { struct hlist_head *head; struct hlist_node *node, *safe; - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; spin_lock_bh(&tt_global_entry->list_lock); head = &tt_global_entry->orig_list; hlist_for_each_entry_safe(orig_entry, node, safe, head, list) { if (orig_entry->orig_node == orig_node) { - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Deleting %pM from global tt entry %pM: %s\n", orig_node->orig, tt_global_entry->common.addr, message); @@ -827,11 +874,13 @@ batadv_tt_global_del_orig_entry(struct bat_priv *bat_priv, spin_unlock_bh(&tt_global_entry->list_lock); } -static void batadv_tt_global_del_struct(struct bat_priv *bat_priv, - struct tt_global_entry *tt_global_entry, - const char *message) +static void +batadv_tt_global_del_struct(struct batadv_priv *bat_priv, + struct batadv_tt_global_entry *tt_global_entry, + const char *message) { - batadv_dbg(DBG_TT, bat_priv, "Deleting global tt entry %pM: %s\n", + batadv_dbg(BATADV_DBG_TT, bat_priv, + "Deleting global tt entry %pM: %s\n", tt_global_entry->common.addr, message); batadv_hash_remove(bat_priv->tt_global_hash, batadv_compare_tt, @@ -841,18 +890,19 @@ static void batadv_tt_global_del_struct(struct bat_priv *bat_priv, } /* If the client is to be deleted, we check if it is the last origantor entry - * within tt_global entry. If yes, we set the TT_CLIENT_ROAM flag and the timer, - * otherwise we simply remove the originator scheduled for deletion. + * within tt_global entry. If yes, we set the BATADV_TT_CLIENT_ROAM flag and the + * timer, otherwise we simply remove the originator scheduled for deletion. */ static void -batadv_tt_global_del_roaming(struct bat_priv *bat_priv, - struct tt_global_entry *tt_global_entry, - struct orig_node *orig_node, const char *message) +batadv_tt_global_del_roaming(struct batadv_priv *bat_priv, + struct batadv_tt_global_entry *tt_global_entry, + struct batadv_orig_node *orig_node, + const char *message) { bool last_entry = true; struct hlist_head *head; struct hlist_node *node; - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; /* no local entry exists, case 1: * Check if this is the last one or if other entries exist. @@ -870,7 +920,7 @@ batadv_tt_global_del_roaming(struct bat_priv *bat_priv, if (last_entry) { /* its the last one, mark for roaming. */ - tt_global_entry->common.flags |= TT_CLIENT_ROAM; + tt_global_entry->common.flags |= BATADV_TT_CLIENT_ROAM; tt_global_entry->roam_at = jiffies; } else /* there is another entry, we can simply delete this @@ -882,13 +932,13 @@ batadv_tt_global_del_roaming(struct bat_priv *bat_priv, -static void batadv_tt_global_del(struct bat_priv *bat_priv, - struct orig_node *orig_node, +static void batadv_tt_global_del(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const unsigned char *addr, const char *message, bool roaming) { - struct tt_global_entry *tt_global_entry = NULL; - struct tt_local_entry *local_entry = NULL; + struct batadv_tt_global_entry *tt_global_entry = NULL; + struct batadv_tt_local_entry *local_entry = NULL; tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr); if (!tt_global_entry) @@ -909,7 +959,7 @@ static void batadv_tt_global_del(struct bat_priv *bat_priv, * event, there are two possibilities: * 1) the client roamed from node A to node B => if there * is only one originator left for this client, we mark - * it with TT_CLIENT_ROAM, we start a timer and we + * it with BATADV_TT_CLIENT_ROAM, we start a timer and we * wait for node B to claim it. In case of timeout * the entry is purged. * @@ -937,13 +987,14 @@ out: batadv_tt_local_entry_free_ref(local_entry); } -void batadv_tt_global_del_orig(struct bat_priv *bat_priv, - struct orig_node *orig_node, const char *message) +void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + const char *message) { - struct tt_global_entry *global_entry; - struct tt_common_entry *tt_common_entry; + struct batadv_tt_global_entry *tt_global; + struct batadv_tt_common_entry *tt_common_entry; uint32_t i; - struct hashtable_t *hash = bat_priv->tt_global_hash; + struct batadv_hashtable *hash = bat_priv->tt_global_hash; struct hlist_node *node, *safe; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -958,19 +1009,19 @@ void batadv_tt_global_del_orig(struct bat_priv *bat_priv, spin_lock_bh(list_lock); hlist_for_each_entry_safe(tt_common_entry, node, safe, head, hash_entry) { - global_entry = container_of(tt_common_entry, - struct tt_global_entry, - common); + tt_global = container_of(tt_common_entry, + struct batadv_tt_global_entry, + common); - batadv_tt_global_del_orig_entry(bat_priv, global_entry, + batadv_tt_global_del_orig_entry(bat_priv, tt_global, orig_node, message); - if (hlist_empty(&global_entry->orig_list)) { - batadv_dbg(DBG_TT, bat_priv, + if (hlist_empty(&tt_global->orig_list)) { + batadv_dbg(BATADV_DBG_TT, bat_priv, "Deleting global tt entry %pM: %s\n", - global_entry->common.addr, message); + tt_global->common.addr, message); hlist_del_rcu(node); - batadv_tt_global_entry_free_ref(global_entry); + batadv_tt_global_entry_free_ref(tt_global); } } spin_unlock_bh(list_lock); @@ -978,12 +1029,36 @@ void batadv_tt_global_del_orig(struct bat_priv *bat_priv, orig_node->tt_initialised = false; } -static void batadv_tt_global_roam_purge(struct bat_priv *bat_priv) +static void batadv_tt_global_roam_purge_list(struct batadv_priv *bat_priv, + struct hlist_head *head) { - struct hashtable_t *hash = bat_priv->tt_global_hash; - struct tt_common_entry *tt_common_entry; - struct tt_global_entry *tt_global_entry; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_global_entry *tt_global_entry; struct hlist_node *node, *node_tmp; + + hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head, + hash_entry) { + tt_global_entry = container_of(tt_common_entry, + struct batadv_tt_global_entry, + common); + if (!(tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM)) + continue; + if (!batadv_has_timed_out(tt_global_entry->roam_at, + BATADV_TT_CLIENT_ROAM_TIMEOUT)) + continue; + + batadv_dbg(BATADV_DBG_TT, bat_priv, + "Deleting global tt entry (%pM): Roaming timeout\n", + tt_global_entry->common.addr); + + hlist_del_rcu(node); + batadv_tt_global_entry_free_ref(tt_global_entry); + } +} + +static void batadv_tt_global_roam_purge(struct batadv_priv *bat_priv) +{ + struct batadv_hashtable *hash = bat_priv->tt_global_hash; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ uint32_t i; @@ -993,35 +1068,18 @@ static void batadv_tt_global_roam_purge(struct bat_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, - head, hash_entry) { - tt_global_entry = container_of(tt_common_entry, - struct tt_global_entry, - common); - if (!(tt_global_entry->common.flags & TT_CLIENT_ROAM)) - continue; - if (!batadv_has_timed_out(tt_global_entry->roam_at, - TT_CLIENT_ROAM_TIMEOUT)) - continue; - - batadv_dbg(DBG_TT, bat_priv, - "Deleting global tt entry (%pM): Roaming timeout\n", - tt_global_entry->common.addr); - - hlist_del_rcu(node); - batadv_tt_global_entry_free_ref(tt_global_entry); - } + batadv_tt_global_roam_purge_list(bat_priv, head); spin_unlock_bh(list_lock); } } -static void batadv_tt_global_table_free(struct bat_priv *bat_priv) +static void batadv_tt_global_table_free(struct batadv_priv *bat_priv) { - struct hashtable_t *hash; + struct batadv_hashtable *hash; spinlock_t *list_lock; /* protects write access to the hash lists */ - struct tt_common_entry *tt_common_entry; - struct tt_global_entry *tt_global_entry; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_global_entry *tt_global; struct hlist_node *node, *node_tmp; struct hlist_head *head; uint32_t i; @@ -1039,10 +1097,10 @@ static void batadv_tt_global_table_free(struct bat_priv *bat_priv) hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, head, hash_entry) { hlist_del_rcu(node); - tt_global_entry = container_of(tt_common_entry, - struct tt_global_entry, - common); - batadv_tt_global_entry_free_ref(tt_global_entry); + tt_global = container_of(tt_common_entry, + struct batadv_tt_global_entry, + common); + batadv_tt_global_entry_free_ref(tt_global); } spin_unlock_bh(list_lock); } @@ -1052,29 +1110,30 @@ static void batadv_tt_global_table_free(struct bat_priv *bat_priv) bat_priv->tt_global_hash = NULL; } -static bool _batadv_is_ap_isolated(struct tt_local_entry *tt_local_entry, - struct tt_global_entry *tt_global_entry) +static bool +_batadv_is_ap_isolated(struct batadv_tt_local_entry *tt_local_entry, + struct batadv_tt_global_entry *tt_global_entry) { bool ret = false; - if (tt_local_entry->common.flags & TT_CLIENT_WIFI && - tt_global_entry->common.flags & TT_CLIENT_WIFI) + if (tt_local_entry->common.flags & BATADV_TT_CLIENT_WIFI && + tt_global_entry->common.flags & BATADV_TT_CLIENT_WIFI) ret = true; return ret; } -struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv, - const uint8_t *src, - const uint8_t *addr) +struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, + const uint8_t *src, + const uint8_t *addr) { - struct tt_local_entry *tt_local_entry = NULL; - struct tt_global_entry *tt_global_entry = NULL; - struct orig_node *orig_node = NULL; - struct neigh_node *router = NULL; + struct batadv_tt_local_entry *tt_local_entry = NULL; + struct batadv_tt_global_entry *tt_global_entry = NULL; + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *router = NULL; struct hlist_head *head; struct hlist_node *node; - struct tt_orig_list_entry *orig_entry; + struct batadv_tt_orig_list_entry *orig_entry; int best_tq; if (src && atomic_read(&bat_priv->ap_isolation)) { @@ -1123,13 +1182,13 @@ out: } /* Calculates the checksum of the local table of a given orig_node */ -static uint16_t batadv_tt_global_crc(struct bat_priv *bat_priv, - struct orig_node *orig_node) +static uint16_t batadv_tt_global_crc(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node) { uint16_t total = 0, total_one; - struct hashtable_t *hash = bat_priv->tt_global_hash; - struct tt_common_entry *tt_common_entry; - struct tt_global_entry *tt_global_entry; + struct batadv_hashtable *hash = bat_priv->tt_global_hash; + struct batadv_tt_common_entry *tt_common; + struct batadv_tt_global_entry *tt_global; struct hlist_node *node; struct hlist_head *head; uint32_t i; @@ -1139,30 +1198,29 @@ static uint16_t batadv_tt_global_crc(struct bat_priv *bat_priv, head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, - head, hash_entry) { - tt_global_entry = container_of(tt_common_entry, - struct tt_global_entry, - common); + hlist_for_each_entry_rcu(tt_common, node, head, hash_entry) { + tt_global = container_of(tt_common, + struct batadv_tt_global_entry, + common); /* Roaming clients are in the global table for * consistency only. They don't have to be * taken into account while computing the * global crc */ - if (tt_global_entry->common.flags & TT_CLIENT_ROAM) + if (tt_common->flags & BATADV_TT_CLIENT_ROAM) continue; /* find out if this global entry is announced by this * originator */ - if (!batadv_tt_global_entry_has_orig(tt_global_entry, + if (!batadv_tt_global_entry_has_orig(tt_global, orig_node)) continue; total_one = 0; for (j = 0; j < ETH_ALEN; j++) total_one = crc16_byte(total_one, - tt_global_entry->common.addr[j]); + tt_common->addr[j]); total ^= total_one; } rcu_read_unlock(); @@ -1172,11 +1230,11 @@ static uint16_t batadv_tt_global_crc(struct bat_priv *bat_priv, } /* Calculates the checksum of the local table */ -static uint16_t batadv_tt_local_crc(struct bat_priv *bat_priv) +static uint16_t batadv_tt_local_crc(struct batadv_priv *bat_priv) { uint16_t total = 0, total_one; - struct hashtable_t *hash = bat_priv->tt_local_hash; - struct tt_common_entry *tt_common_entry; + struct batadv_hashtable *hash = bat_priv->tt_local_hash; + struct batadv_tt_common_entry *tt_common; struct hlist_node *node; struct hlist_head *head; uint32_t i; @@ -1186,17 +1244,16 @@ static uint16_t batadv_tt_local_crc(struct bat_priv *bat_priv) head = &hash->table[i]; rcu_read_lock(); - hlist_for_each_entry_rcu(tt_common_entry, node, - head, hash_entry) { + hlist_for_each_entry_rcu(tt_common, node, head, hash_entry) { /* not yet committed clients have not to be taken into * account while computing the CRC */ - if (tt_common_entry->flags & TT_CLIENT_NEW) + if (tt_common->flags & BATADV_TT_CLIENT_NEW) continue; total_one = 0; for (j = 0; j < ETH_ALEN; j++) total_one = crc16_byte(total_one, - tt_common_entry->addr[j]); + tt_common->addr[j]); total ^= total_one; } rcu_read_unlock(); @@ -1205,9 +1262,9 @@ static uint16_t batadv_tt_local_crc(struct bat_priv *bat_priv) return total; } -static void batadv_tt_req_list_free(struct bat_priv *bat_priv) +static void batadv_tt_req_list_free(struct batadv_priv *bat_priv) { - struct tt_req_node *node, *safe; + struct batadv_tt_req_node *node, *safe; spin_lock_bh(&bat_priv->tt_req_list_lock); @@ -1219,8 +1276,8 @@ static void batadv_tt_req_list_free(struct bat_priv *bat_priv) spin_unlock_bh(&bat_priv->tt_req_list_lock); } -static void batadv_tt_save_orig_buffer(struct bat_priv *bat_priv, - struct orig_node *orig_node, +static void batadv_tt_save_orig_buffer(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const unsigned char *tt_buff, uint8_t tt_num_changes) { @@ -1242,13 +1299,14 @@ static void batadv_tt_save_orig_buffer(struct bat_priv *bat_priv, spin_unlock_bh(&orig_node->tt_buff_lock); } -static void batadv_tt_req_purge(struct bat_priv *bat_priv) +static void batadv_tt_req_purge(struct batadv_priv *bat_priv) { - struct tt_req_node *node, *safe; + struct batadv_tt_req_node *node, *safe; spin_lock_bh(&bat_priv->tt_req_list_lock); list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) { - if (batadv_has_timed_out(node->issued_at, TT_REQUEST_TIMEOUT)) { + if (batadv_has_timed_out(node->issued_at, + BATADV_TT_REQUEST_TIMEOUT)) { list_del(&node->list); kfree(node); } @@ -1259,16 +1317,17 @@ static void batadv_tt_req_purge(struct bat_priv *bat_priv) /* returns the pointer to the new tt_req_node struct if no request * has already been issued for this orig_node, NULL otherwise */ -static struct tt_req_node *batadv_new_tt_req_node(struct bat_priv *bat_priv, - struct orig_node *orig_node) +static struct batadv_tt_req_node * +batadv_new_tt_req_node(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node) { - struct tt_req_node *tt_req_node_tmp, *tt_req_node = NULL; + struct batadv_tt_req_node *tt_req_node_tmp, *tt_req_node = NULL; spin_lock_bh(&bat_priv->tt_req_list_lock); list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) { if (batadv_compare_eth(tt_req_node_tmp, orig_node) && !batadv_has_timed_out(tt_req_node_tmp->issued_at, - TT_REQUEST_TIMEOUT)) + BATADV_TT_REQUEST_TIMEOUT)) goto unlock; } @@ -1289,9 +1348,9 @@ unlock: static int batadv_tt_local_valid_entry(const void *entry_ptr, const void *data_ptr) { - const struct tt_common_entry *tt_common_entry = entry_ptr; + const struct batadv_tt_common_entry *tt_common_entry = entry_ptr; - if (tt_common_entry->flags & TT_CLIENT_NEW) + if (tt_common_entry->flags & BATADV_TT_CLIENT_NEW) return 0; return 1; } @@ -1299,14 +1358,15 @@ static int batadv_tt_local_valid_entry(const void *entry_ptr, static int batadv_tt_global_valid(const void *entry_ptr, const void *data_ptr) { - const struct tt_common_entry *tt_common_entry = entry_ptr; - const struct tt_global_entry *tt_global_entry; - const struct orig_node *orig_node = data_ptr; + const struct batadv_tt_common_entry *tt_common_entry = entry_ptr; + const struct batadv_tt_global_entry *tt_global_entry; + const struct batadv_orig_node *orig_node = data_ptr; - if (tt_common_entry->flags & TT_CLIENT_ROAM) + if (tt_common_entry->flags & BATADV_TT_CLIENT_ROAM) return 0; - tt_global_entry = container_of(tt_common_entry, struct tt_global_entry, + tt_global_entry = container_of(tt_common_entry, + struct batadv_tt_global_entry, common); return batadv_tt_global_entry_has_orig(tt_global_entry, orig_node); @@ -1314,37 +1374,38 @@ static int batadv_tt_global_valid(const void *entry_ptr, static struct sk_buff * batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn, - struct hashtable_t *hash, - struct hard_iface *primary_if, + struct batadv_hashtable *hash, + struct batadv_hard_iface *primary_if, int (*valid_cb)(const void *, const void *), void *cb_data) { - struct tt_common_entry *tt_common_entry; - struct tt_query_packet *tt_response; - struct tt_change *tt_change; + struct batadv_tt_common_entry *tt_common_entry; + struct batadv_tt_query_packet *tt_response; + struct batadv_tt_change *tt_change; struct hlist_node *node; struct hlist_head *head; struct sk_buff *skb = NULL; uint16_t tt_tot, tt_count; - ssize_t tt_query_size = sizeof(struct tt_query_packet); + ssize_t tt_query_size = sizeof(struct batadv_tt_query_packet); uint32_t i; + size_t len; if (tt_query_size + tt_len > primary_if->soft_iface->mtu) { tt_len = primary_if->soft_iface->mtu - tt_query_size; - tt_len -= tt_len % sizeof(struct tt_change); + tt_len -= tt_len % sizeof(struct batadv_tt_change); } - tt_tot = tt_len / sizeof(struct tt_change); + tt_tot = tt_len / sizeof(struct batadv_tt_change); - skb = dev_alloc_skb(tt_query_size + tt_len + ETH_HLEN); + len = tt_query_size + tt_len; + skb = dev_alloc_skb(len + ETH_HLEN); if (!skb) goto out; skb_reserve(skb, ETH_HLEN); - tt_response = (struct tt_query_packet *)skb_put(skb, - tt_query_size + tt_len); + tt_response = (struct batadv_tt_query_packet *)skb_put(skb, len); tt_response->ttvn = ttvn; - tt_change = (struct tt_change *)(skb->data + tt_query_size); + tt_change = (struct batadv_tt_change *)(skb->data + tt_query_size); tt_count = 0; rcu_read_lock(); @@ -1361,7 +1422,7 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn, memcpy(tt_change->addr, tt_common_entry->addr, ETH_ALEN); - tt_change->flags = NO_FLAGS; + tt_change->flags = BATADV_NO_FLAGS; tt_count++; tt_change++; @@ -1378,17 +1439,18 @@ out: return skb; } -static int batadv_send_tt_request(struct bat_priv *bat_priv, - struct orig_node *dst_orig_node, +static int batadv_send_tt_request(struct batadv_priv *bat_priv, + struct batadv_orig_node *dst_orig_node, uint8_t ttvn, uint16_t tt_crc, bool full_table) { struct sk_buff *skb = NULL; - struct tt_query_packet *tt_request; - struct neigh_node *neigh_node = NULL; - struct hard_iface *primary_if; - struct tt_req_node *tt_req_node = NULL; + struct batadv_tt_query_packet *tt_request; + struct batadv_neigh_node *neigh_node = NULL; + struct batadv_hard_iface *primary_if; + struct batadv_tt_req_node *tt_req_node = NULL; int ret = 1; + size_t tt_req_len; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) @@ -1401,37 +1463,37 @@ static int batadv_send_tt_request(struct bat_priv *bat_priv, if (!tt_req_node) goto out; - skb = dev_alloc_skb(sizeof(struct tt_query_packet) + ETH_HLEN); + skb = dev_alloc_skb(sizeof(*tt_request) + ETH_HLEN); if (!skb) goto out; skb_reserve(skb, ETH_HLEN); - tt_request = (struct tt_query_packet *)skb_put(skb, - sizeof(struct tt_query_packet)); + tt_req_len = sizeof(*tt_request); + tt_request = (struct batadv_tt_query_packet *)skb_put(skb, tt_req_len); - tt_request->header.packet_type = BAT_TT_QUERY; - tt_request->header.version = COMPAT_VERSION; + tt_request->header.packet_type = BATADV_TT_QUERY; + tt_request->header.version = BATADV_COMPAT_VERSION; memcpy(tt_request->src, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(tt_request->dst, dst_orig_node->orig, ETH_ALEN); - tt_request->header.ttl = TTL; + tt_request->header.ttl = BATADV_TTL; tt_request->ttvn = ttvn; tt_request->tt_data = htons(tt_crc); - tt_request->flags = TT_REQUEST; + tt_request->flags = BATADV_TT_REQUEST; if (full_table) - tt_request->flags |= TT_FULL_TABLE; + tt_request->flags |= BATADV_TT_FULL_TABLE; neigh_node = batadv_orig_node_get_router(dst_orig_node); if (!neigh_node) goto out; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Sending TT_REQUEST to %pM via %pM [%c]\n", dst_orig_node->orig, neigh_node->addr, (full_table ? 'F' : '.')); - batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_TX); + batadv_inc_counter(bat_priv, BATADV_CNT_TT_REQUEST_TX); batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); ret = 0; @@ -1452,24 +1514,27 @@ out: return ret; } -static bool batadv_send_other_tt_response(struct bat_priv *bat_priv, - struct tt_query_packet *tt_request) +static bool +batadv_send_other_tt_response(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_request) { - struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL; - struct neigh_node *neigh_node = NULL; - struct hard_iface *primary_if = NULL; + struct batadv_orig_node *req_dst_orig_node = NULL; + struct batadv_orig_node *res_dst_orig_node = NULL; + struct batadv_neigh_node *neigh_node = NULL; + struct batadv_hard_iface *primary_if = NULL; uint8_t orig_ttvn, req_ttvn, ttvn; int ret = false; unsigned char *tt_buff; bool full_table; uint16_t tt_len, tt_tot; struct sk_buff *skb = NULL; - struct tt_query_packet *tt_response; + struct batadv_tt_query_packet *tt_response; + size_t len; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Received TT_REQUEST from %pM for ttvn: %u (%pM) [%c]\n", tt_request->src, tt_request->ttvn, tt_request->dst, - (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); + (tt_request->flags & BATADV_TT_FULL_TABLE ? 'F' : '.')); /* Let's get the orig node of the REAL destination */ req_dst_orig_node = batadv_orig_hash_find(bat_priv, tt_request->dst); @@ -1497,7 +1562,7 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv, goto out; /* If the full table has been explicitly requested */ - if (tt_request->flags & TT_FULL_TABLE || + if (tt_request->flags & BATADV_TT_FULL_TABLE || !req_dst_orig_node->tt_buff) full_table = true; else @@ -1509,28 +1574,28 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv, if (!full_table) { spin_lock_bh(&req_dst_orig_node->tt_buff_lock); tt_len = req_dst_orig_node->tt_buff_len; - tt_tot = tt_len / sizeof(struct tt_change); + tt_tot = tt_len / sizeof(struct batadv_tt_change); - skb = dev_alloc_skb(sizeof(struct tt_query_packet) + - tt_len + ETH_HLEN); + len = sizeof(*tt_response) + tt_len; + skb = dev_alloc_skb(len + ETH_HLEN); if (!skb) goto unlock; skb_reserve(skb, ETH_HLEN); - tt_response = (struct tt_query_packet *)skb_put(skb, - sizeof(struct tt_query_packet) + tt_len); + tt_response = (struct batadv_tt_query_packet *)skb_put(skb, + len); tt_response->ttvn = req_ttvn; tt_response->tt_data = htons(tt_tot); - tt_buff = skb->data + sizeof(struct tt_query_packet); + tt_buff = skb->data + sizeof(*tt_response); /* Copy the last orig_node's OGM buffer */ memcpy(tt_buff, req_dst_orig_node->tt_buff, req_dst_orig_node->tt_buff_len); spin_unlock_bh(&req_dst_orig_node->tt_buff_lock); } else { - tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size) * - sizeof(struct tt_change); + tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size); + tt_len *= sizeof(struct batadv_tt_change); ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn); skb = batadv_tt_response_fill_table(tt_len, ttvn, @@ -1541,25 +1606,25 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv, if (!skb) goto out; - tt_response = (struct tt_query_packet *)skb->data; + tt_response = (struct batadv_tt_query_packet *)skb->data; } - tt_response->header.packet_type = BAT_TT_QUERY; - tt_response->header.version = COMPAT_VERSION; - tt_response->header.ttl = TTL; + tt_response->header.packet_type = BATADV_TT_QUERY; + tt_response->header.version = BATADV_COMPAT_VERSION; + tt_response->header.ttl = BATADV_TTL; memcpy(tt_response->src, req_dst_orig_node->orig, ETH_ALEN); memcpy(tt_response->dst, tt_request->src, ETH_ALEN); - tt_response->flags = TT_RESPONSE; + tt_response->flags = BATADV_TT_RESPONSE; if (full_table) - tt_response->flags |= TT_FULL_TABLE; + tt_response->flags |= BATADV_TT_FULL_TABLE; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Sending TT_RESPONSE %pM via %pM for %pM (ttvn: %u)\n", res_dst_orig_node->orig, neigh_node->addr, req_dst_orig_node->orig, req_ttvn); - batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_TX); + batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_TX); batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); ret = true; @@ -1582,24 +1647,27 @@ out: return ret; } -static bool batadv_send_my_tt_response(struct bat_priv *bat_priv, - struct tt_query_packet *tt_request) + +static bool +batadv_send_my_tt_response(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_request) { - struct orig_node *orig_node = NULL; - struct neigh_node *neigh_node = NULL; - struct hard_iface *primary_if = NULL; + struct batadv_orig_node *orig_node = NULL; + struct batadv_neigh_node *neigh_node = NULL; + struct batadv_hard_iface *primary_if = NULL; uint8_t my_ttvn, req_ttvn, ttvn; int ret = false; unsigned char *tt_buff; bool full_table; uint16_t tt_len, tt_tot; struct sk_buff *skb = NULL; - struct tt_query_packet *tt_response; + struct batadv_tt_query_packet *tt_response; + size_t len; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Received TT_REQUEST from %pM for ttvn: %u (me) [%c]\n", tt_request->src, tt_request->ttvn, - (tt_request->flags & TT_FULL_TABLE ? 'F' : '.')); + (tt_request->flags & BATADV_TT_FULL_TABLE ? 'F' : '.')); my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn); @@ -1620,7 +1688,7 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv, /* If the full table has been explicitly requested or the gap * is too big send the whole local translation table */ - if (tt_request->flags & TT_FULL_TABLE || my_ttvn != req_ttvn || + if (tt_request->flags & BATADV_TT_FULL_TABLE || my_ttvn != req_ttvn || !bat_priv->tt_buff) full_table = true; else @@ -1632,26 +1700,26 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv, if (!full_table) { spin_lock_bh(&bat_priv->tt_buff_lock); tt_len = bat_priv->tt_buff_len; - tt_tot = tt_len / sizeof(struct tt_change); + tt_tot = tt_len / sizeof(struct batadv_tt_change); - skb = dev_alloc_skb(sizeof(struct tt_query_packet) + - tt_len + ETH_HLEN); + len = sizeof(*tt_response) + tt_len; + skb = dev_alloc_skb(len + ETH_HLEN); if (!skb) goto unlock; skb_reserve(skb, ETH_HLEN); - tt_response = (struct tt_query_packet *)skb_put(skb, - sizeof(struct tt_query_packet) + tt_len); + tt_response = (struct batadv_tt_query_packet *)skb_put(skb, + len); tt_response->ttvn = req_ttvn; tt_response->tt_data = htons(tt_tot); - tt_buff = skb->data + sizeof(struct tt_query_packet); + tt_buff = skb->data + sizeof(*tt_response); memcpy(tt_buff, bat_priv->tt_buff, bat_priv->tt_buff_len); spin_unlock_bh(&bat_priv->tt_buff_lock); } else { - tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt) * - sizeof(struct tt_change); + tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt); + tt_len *= sizeof(struct batadv_tt_change); ttvn = (uint8_t)atomic_read(&bat_priv->ttvn); skb = batadv_tt_response_fill_table(tt_len, ttvn, @@ -1662,25 +1730,25 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv, if (!skb) goto out; - tt_response = (struct tt_query_packet *)skb->data; + tt_response = (struct batadv_tt_query_packet *)skb->data; } - tt_response->header.packet_type = BAT_TT_QUERY; - tt_response->header.version = COMPAT_VERSION; - tt_response->header.ttl = TTL; + tt_response->header.packet_type = BATADV_TT_QUERY; + tt_response->header.version = BATADV_COMPAT_VERSION; + tt_response->header.ttl = BATADV_TTL; memcpy(tt_response->src, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(tt_response->dst, tt_request->src, ETH_ALEN); - tt_response->flags = TT_RESPONSE; + tt_response->flags = BATADV_TT_RESPONSE; if (full_table) - tt_response->flags |= TT_FULL_TABLE; + tt_response->flags |= BATADV_TT_FULL_TABLE; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Sending TT_RESPONSE to %pM via %pM [%c]\n", orig_node->orig, neigh_node->addr, - (tt_response->flags & TT_FULL_TABLE ? 'F' : '.')); + (tt_response->flags & BATADV_TT_FULL_TABLE ? 'F' : '.')); - batadv_inc_counter(bat_priv, BAT_CNT_TT_RESPONSE_TX); + batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_TX); batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); ret = true; @@ -1701,8 +1769,8 @@ out: return true; } -bool batadv_send_tt_response(struct bat_priv *bat_priv, - struct tt_query_packet *tt_request) +bool batadv_send_tt_response(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_request) { if (batadv_is_my_mac(tt_request->dst)) { /* don't answer backbone gws! */ @@ -1715,27 +1783,25 @@ bool batadv_send_tt_response(struct bat_priv *bat_priv, } } -static void _batadv_tt_update_changes(struct bat_priv *bat_priv, - struct orig_node *orig_node, - struct tt_change *tt_change, +static void _batadv_tt_update_changes(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + struct batadv_tt_change *tt_change, uint16_t tt_num_changes, uint8_t ttvn) { int i; - int is_wifi; int roams; for (i = 0; i < tt_num_changes; i++) { - if ((tt_change + i)->flags & TT_CLIENT_DEL) { - roams = (tt_change + i)->flags & TT_CLIENT_ROAM; + if ((tt_change + i)->flags & BATADV_TT_CLIENT_DEL) { + roams = (tt_change + i)->flags & BATADV_TT_CLIENT_ROAM; batadv_tt_global_del(bat_priv, orig_node, (tt_change + i)->addr, - "tt removed by changes", - roams); + "tt removed by changes", + roams); } else { - is_wifi = (tt_change + i)->flags & TT_CLIENT_WIFI; if (!batadv_tt_global_add(bat_priv, orig_node, - (tt_change + i)->addr, ttvn, - false, is_wifi)) + (tt_change + i)->addr, + (tt_change + i)->flags, ttvn)) /* In case of problem while storing a * global_entry, we stop the updating * procedure without committing the @@ -1748,10 +1814,10 @@ static void _batadv_tt_update_changes(struct bat_priv *bat_priv, orig_node->tt_initialised = true; } -static void batadv_tt_fill_gtable(struct bat_priv *bat_priv, - struct tt_query_packet *tt_response) +static void batadv_tt_fill_gtable(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_response) { - struct orig_node *orig_node = NULL; + struct batadv_orig_node *orig_node = NULL; orig_node = batadv_orig_hash_find(bat_priv, tt_response->src); if (!orig_node) @@ -1761,7 +1827,7 @@ static void batadv_tt_fill_gtable(struct bat_priv *bat_priv, batadv_tt_global_del_orig(bat_priv, orig_node, "Received full table"); _batadv_tt_update_changes(bat_priv, orig_node, - (struct tt_change *)(tt_response + 1), + (struct batadv_tt_change *)(tt_response + 1), ntohs(tt_response->tt_data), tt_response->ttvn); @@ -1778,10 +1844,10 @@ out: batadv_orig_node_free_ref(orig_node); } -static void batadv_tt_update_changes(struct bat_priv *bat_priv, - struct orig_node *orig_node, +static void batadv_tt_update_changes(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, uint16_t tt_num_changes, uint8_t ttvn, - struct tt_change *tt_change) + struct batadv_tt_change *tt_change) { _batadv_tt_update_changes(bat_priv, orig_node, tt_change, tt_num_changes, ttvn); @@ -1791,9 +1857,9 @@ static void batadv_tt_update_changes(struct bat_priv *bat_priv, atomic_set(&orig_node->last_ttvn, ttvn); } -bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr) +bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr) { - struct tt_local_entry *tt_local_entry = NULL; + struct batadv_tt_local_entry *tt_local_entry = NULL; bool ret = false; tt_local_entry = batadv_tt_local_hash_find(bat_priv, addr); @@ -1802,7 +1868,7 @@ bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr) /* Check if the client has been logically deleted (but is kept for * consistency purpose) */ - if (tt_local_entry->common.flags & TT_CLIENT_PENDING) + if (tt_local_entry->common.flags & BATADV_TT_CLIENT_PENDING) goto out; ret = true; out: @@ -1811,17 +1877,18 @@ out: return ret; } -void batadv_handle_tt_response(struct bat_priv *bat_priv, - struct tt_query_packet *tt_response) +void batadv_handle_tt_response(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_response) { - struct tt_req_node *node, *safe; - struct orig_node *orig_node = NULL; + struct batadv_tt_req_node *node, *safe; + struct batadv_orig_node *orig_node = NULL; + struct batadv_tt_change *tt_change; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Received TT_RESPONSE from %pM for ttvn %d t_size: %d [%c]\n", tt_response->src, tt_response->ttvn, ntohs(tt_response->tt_data), - (tt_response->flags & TT_FULL_TABLE ? 'F' : '.')); + (tt_response->flags & BATADV_TT_FULL_TABLE ? 'F' : '.')); /* we should have never asked a backbone gw */ if (batadv_bla_is_backbone_gw_orig(bat_priv, tt_response->src)) @@ -1831,13 +1898,14 @@ void batadv_handle_tt_response(struct bat_priv *bat_priv, if (!orig_node) goto out; - if (tt_response->flags & TT_FULL_TABLE) + if (tt_response->flags & BATADV_TT_FULL_TABLE) { batadv_tt_fill_gtable(bat_priv, tt_response); - else + } else { + tt_change = (struct batadv_tt_change *)(tt_response + 1); batadv_tt_update_changes(bat_priv, orig_node, ntohs(tt_response->tt_data), - tt_response->ttvn, - (struct tt_change *)(tt_response + 1)); + tt_response->ttvn, tt_change); + } /* Delete the tt_req_node from pending tt_requests list */ spin_lock_bh(&bat_priv->tt_req_list_lock); @@ -1860,7 +1928,7 @@ out: batadv_orig_node_free_ref(orig_node); } -int batadv_tt_init(struct bat_priv *bat_priv) +int batadv_tt_init(struct batadv_priv *bat_priv) { int ret; @@ -1877,9 +1945,9 @@ int batadv_tt_init(struct bat_priv *bat_priv) return 1; } -static void batadv_tt_roam_list_free(struct bat_priv *bat_priv) +static void batadv_tt_roam_list_free(struct batadv_priv *bat_priv) { - struct tt_roam_node *node, *safe; + struct batadv_tt_roam_node *node, *safe; spin_lock_bh(&bat_priv->tt_roam_list_lock); @@ -1891,13 +1959,14 @@ static void batadv_tt_roam_list_free(struct bat_priv *bat_priv) spin_unlock_bh(&bat_priv->tt_roam_list_lock); } -static void batadv_tt_roam_purge(struct bat_priv *bat_priv) +static void batadv_tt_roam_purge(struct batadv_priv *bat_priv) { - struct tt_roam_node *node, *safe; + struct batadv_tt_roam_node *node, *safe; spin_lock_bh(&bat_priv->tt_roam_list_lock); list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) { - if (!batadv_has_timed_out(node->first_time, ROAMING_MAX_TIME)) + if (!batadv_has_timed_out(node->first_time, + BATADV_ROAMING_MAX_TIME)) continue; list_del(&node->list); @@ -1912,10 +1981,10 @@ static void batadv_tt_roam_purge(struct bat_priv *bat_priv) * * returns true if the ROAMING_ADV can be sent, false otherwise */ -static bool batadv_tt_check_roam_count(struct bat_priv *bat_priv, +static bool batadv_tt_check_roam_count(struct batadv_priv *bat_priv, uint8_t *client) { - struct tt_roam_node *tt_roam_node; + struct batadv_tt_roam_node *tt_roam_node; bool ret = false; spin_lock_bh(&bat_priv->tt_roam_list_lock); @@ -1927,10 +1996,10 @@ static bool batadv_tt_check_roam_count(struct bat_priv *bat_priv, continue; if (batadv_has_timed_out(tt_roam_node->first_time, - ROAMING_MAX_TIME)) + BATADV_ROAMING_MAX_TIME)) continue; - if (!atomic_dec_not_zero(&tt_roam_node->counter)) + if (!batadv_atomic_dec_not_zero(&tt_roam_node->counter)) /* Sorry, you roamed too many times! */ goto unlock; ret = true; @@ -1943,7 +2012,8 @@ static bool batadv_tt_check_roam_count(struct bat_priv *bat_priv, goto unlock; tt_roam_node->first_time = jiffies; - atomic_set(&tt_roam_node->counter, ROAMING_MAX_COUNT - 1); + atomic_set(&tt_roam_node->counter, + BATADV_ROAMING_MAX_COUNT - 1); memcpy(tt_roam_node->addr, client, ETH_ALEN); list_add(&tt_roam_node->list, &bat_priv->tt_roam_list); @@ -1955,14 +2025,15 @@ unlock: return ret; } -static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client, - struct orig_node *orig_node) +static void batadv_send_roam_adv(struct batadv_priv *bat_priv, uint8_t *client, + struct batadv_orig_node *orig_node) { - struct neigh_node *neigh_node = NULL; + struct batadv_neigh_node *neigh_node = NULL; struct sk_buff *skb = NULL; - struct roam_adv_packet *roam_adv_packet; + struct batadv_roam_adv_packet *roam_adv_packet; int ret = 1; - struct hard_iface *primary_if; + struct batadv_hard_iface *primary_if; + size_t len = sizeof(*roam_adv_packet); /* before going on we have to check whether the client has * already roamed to us too many times @@ -1970,18 +2041,18 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client, if (!batadv_tt_check_roam_count(bat_priv, client)) goto out; - skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN); + skb = dev_alloc_skb(sizeof(*roam_adv_packet) + ETH_HLEN); if (!skb) goto out; skb_reserve(skb, ETH_HLEN); - roam_adv_packet = (struct roam_adv_packet *)skb_put(skb, - sizeof(struct roam_adv_packet)); + roam_adv_packet = (struct batadv_roam_adv_packet *)skb_put(skb, len); - roam_adv_packet->header.packet_type = BAT_ROAM_ADV; - roam_adv_packet->header.version = COMPAT_VERSION; - roam_adv_packet->header.ttl = TTL; + roam_adv_packet->header.packet_type = BATADV_ROAM_ADV; + roam_adv_packet->header.version = BATADV_COMPAT_VERSION; + roam_adv_packet->header.ttl = BATADV_TTL; + roam_adv_packet->reserved = 0; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; @@ -1994,11 +2065,11 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client, if (!neigh_node) goto out; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Sending ROAMING_ADV to %pM (client %pM) via %pM\n", orig_node->orig, client, neigh_node->addr); - batadv_inc_counter(bat_priv, BAT_CNT_TT_ROAM_ADV_TX); + batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_TX); batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); ret = 0; @@ -2013,10 +2084,11 @@ out: static void batadv_tt_purge(struct work_struct *work) { - struct delayed_work *delayed_work = - container_of(work, struct delayed_work, work); - struct bat_priv *bat_priv = - container_of(delayed_work, struct bat_priv, tt_work); + struct delayed_work *delayed_work; + struct batadv_priv *bat_priv; + + delayed_work = container_of(work, struct delayed_work, work); + bat_priv = container_of(delayed_work, struct batadv_priv, tt_work); batadv_tt_local_purge(bat_priv); batadv_tt_global_roam_purge(bat_priv); @@ -2026,7 +2098,7 @@ static void batadv_tt_purge(struct work_struct *work) batadv_tt_start_timer(bat_priv); } -void batadv_tt_free(struct bat_priv *bat_priv) +void batadv_tt_free(struct batadv_priv *bat_priv) { cancel_delayed_work_sync(&bat_priv->tt_work); @@ -2042,14 +2114,14 @@ void batadv_tt_free(struct bat_priv *bat_priv) /* This function will enable or disable the specified flags for all the entries * in the given hash table and returns the number of modified entries */ -static uint16_t batadv_tt_set_flags(struct hashtable_t *hash, uint16_t flags, - bool enable) +static uint16_t batadv_tt_set_flags(struct batadv_hashtable *hash, + uint16_t flags, bool enable) { uint32_t i; uint16_t changed_num = 0; struct hlist_head *head; struct hlist_node *node; - struct tt_common_entry *tt_common_entry; + struct batadv_tt_common_entry *tt_common_entry; if (!hash) goto out; @@ -2077,12 +2149,12 @@ out: return changed_num; } -/* Purge out all the tt local entries marked with TT_CLIENT_PENDING */ -static void batadv_tt_local_purge_pending_clients(struct bat_priv *bat_priv) +/* Purge out all the tt local entries marked with BATADV_TT_CLIENT_PENDING */ +static void batadv_tt_local_purge_pending_clients(struct batadv_priv *bat_priv) { - struct hashtable_t *hash = bat_priv->tt_local_hash; - struct tt_common_entry *tt_common_entry; - struct tt_local_entry *tt_local_entry; + struct batadv_hashtable *hash = bat_priv->tt_local_hash; + struct batadv_tt_common_entry *tt_common; + struct batadv_tt_local_entry *tt_local; struct hlist_node *node, *node_tmp; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ @@ -2096,28 +2168,28 @@ static void batadv_tt_local_purge_pending_clients(struct bat_priv *bat_priv) list_lock = &hash->list_locks[i]; spin_lock_bh(list_lock); - hlist_for_each_entry_safe(tt_common_entry, node, node_tmp, - head, hash_entry) { - if (!(tt_common_entry->flags & TT_CLIENT_PENDING)) + hlist_for_each_entry_safe(tt_common, node, node_tmp, head, + hash_entry) { + if (!(tt_common->flags & BATADV_TT_CLIENT_PENDING)) continue; - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Deleting local tt entry (%pM): pending\n", - tt_common_entry->addr); + tt_common->addr); atomic_dec(&bat_priv->num_local_tt); hlist_del_rcu(node); - tt_local_entry = container_of(tt_common_entry, - struct tt_local_entry, - common); - batadv_tt_local_entry_free_ref(tt_local_entry); + tt_local = container_of(tt_common, + struct batadv_tt_local_entry, + common); + batadv_tt_local_entry_free_ref(tt_local); } spin_unlock_bh(list_lock); } } -static int batadv_tt_commit_changes(struct bat_priv *bat_priv, +static int batadv_tt_commit_changes(struct batadv_priv *bat_priv, unsigned char **packet_buff, int *packet_buff_len, int packet_min_len) { @@ -2127,7 +2199,7 @@ static int batadv_tt_commit_changes(struct bat_priv *bat_priv, return -ENOENT; changed_num = batadv_tt_set_flags(bat_priv->tt_local_hash, - TT_CLIENT_NEW, false); + BATADV_TT_CLIENT_NEW, false); /* all reset entries have to be counted as local entries */ atomic_add(changed_num, &bat_priv->num_local_tt); @@ -2136,20 +2208,20 @@ static int batadv_tt_commit_changes(struct bat_priv *bat_priv, /* Increment the TTVN only once per OGM interval */ atomic_inc(&bat_priv->ttvn); - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "Local changes committed, updating to ttvn %u\n", (uint8_t)atomic_read(&bat_priv->ttvn)); bat_priv->tt_poss_change = false; /* reset the sending counter */ - atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX); + atomic_set(&bat_priv->tt_ogm_append_cnt, BATADV_TT_OGM_APPEND_MAX); return batadv_tt_changes_fill_buff(bat_priv, packet_buff, packet_buff_len, packet_min_len); } /* when calling this function (hard_iface == primary_if) has to be true */ -int batadv_tt_append_diff(struct bat_priv *bat_priv, +int batadv_tt_append_diff(struct batadv_priv *bat_priv, unsigned char **packet_buff, int *packet_buff_len, int packet_min_len) { @@ -2162,7 +2234,7 @@ int batadv_tt_append_diff(struct bat_priv *bat_priv, /* if the changes have been sent often enough */ if ((tt_num_changes < 0) && - (!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) { + (!batadv_atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))) { batadv_tt_realloc_packet_buff(packet_buff, packet_buff_len, packet_min_len, packet_min_len); tt_num_changes = 0; @@ -2171,11 +2243,11 @@ int batadv_tt_append_diff(struct bat_priv *bat_priv, return tt_num_changes; } -bool batadv_is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, +bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src, uint8_t *dst) { - struct tt_local_entry *tt_local_entry = NULL; - struct tt_global_entry *tt_global_entry = NULL; + struct batadv_tt_local_entry *tt_local_entry = NULL; + struct batadv_tt_global_entry *tt_global_entry = NULL; bool ret = false; if (!atomic_read(&bat_priv->ap_isolation)) @@ -2202,13 +2274,14 @@ out: return ret; } -void batadv_tt_update_orig(struct bat_priv *bat_priv, - struct orig_node *orig_node, +void batadv_tt_update_orig(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const unsigned char *tt_buff, uint8_t tt_num_changes, uint8_t ttvn, uint16_t tt_crc) { uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn); bool full_table = true; + struct batadv_tt_change *tt_change; /* don't care about a backbone gateways updates. */ if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig)) @@ -2220,7 +2293,8 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv, if ((!orig_node->tt_initialised && ttvn == 1) || ttvn - orig_ttvn == 1) { /* the OGM could not contain the changes due to their size or - * because they have already been sent TT_OGM_APPEND_MAX times. + * because they have already been sent BATADV_TT_OGM_APPEND_MAX + * times. * In this case send a tt request */ if (!tt_num_changes) { @@ -2228,8 +2302,9 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv, goto request_table; } + tt_change = (struct batadv_tt_change *)tt_buff; batadv_tt_update_changes(bat_priv, orig_node, tt_num_changes, - ttvn, (struct tt_change *)tt_buff); + ttvn, tt_change); /* Even if we received the precomputed crc with the OGM, we * prefer to recompute it to spot any possible inconsistency @@ -2260,7 +2335,7 @@ void batadv_tt_update_orig(struct bat_priv *bat_priv, if (!orig_node->tt_initialised || ttvn != orig_ttvn || orig_node->tt_crc != tt_crc) { request_table: - batadv_dbg(DBG_TT, bat_priv, + batadv_dbg(BATADV_DBG_TT, bat_priv, "TT inconsistency for %pM. Need to retrieve the correct information (ttvn: %u last_ttvn: %u crc: %u last_crc: %u num_changes: %u)\n", orig_node->orig, ttvn, orig_ttvn, tt_crc, orig_node->tt_crc, tt_num_changes); @@ -2275,17 +2350,17 @@ request_table: * originator to another one. This entry is kept is still kept for consistency * purposes */ -bool batadv_tt_global_client_is_roaming(struct bat_priv *bat_priv, +bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, uint8_t *addr) { - struct tt_global_entry *tt_global_entry; + struct batadv_tt_global_entry *tt_global_entry; bool ret = false; tt_global_entry = batadv_tt_global_hash_find(bat_priv, addr); if (!tt_global_entry) goto out; - ret = tt_global_entry->common.flags & TT_CLIENT_ROAM; + ret = tt_global_entry->common.flags & BATADV_TT_CLIENT_ROAM; batadv_tt_global_entry_free_ref(tt_global_entry); out: return ret; diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h index 7edc9df..ffa8735 100644 --- a/net/batman-adv/translation-table.h +++ b/net/batman-adv/translation-table.h @@ -21,42 +21,43 @@ #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ int batadv_tt_len(int changes_num); -int batadv_tt_init(struct bat_priv *bat_priv); +int batadv_tt_init(struct batadv_priv *bat_priv); void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *addr, int ifindex); -void batadv_tt_local_remove(struct bat_priv *bat_priv, +void batadv_tt_local_remove(struct batadv_priv *bat_priv, const uint8_t *addr, const char *message, bool roaming); int batadv_tt_local_seq_print_text(struct seq_file *seq, void *offset); -void batadv_tt_global_add_orig(struct bat_priv *bat_priv, - struct orig_node *orig_node, +void batadv_tt_global_add_orig(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const unsigned char *tt_buff, int tt_buff_len); -int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, - const unsigned char *addr, uint8_t ttvn, bool roaming, - bool wifi); +int batadv_tt_global_add(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, + const unsigned char *addr, uint8_t flags, + uint8_t ttvn); int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset); -void batadv_tt_global_del_orig(struct bat_priv *bat_priv, - struct orig_node *orig_node, +void batadv_tt_global_del_orig(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const char *message); -struct orig_node *batadv_transtable_search(struct bat_priv *bat_priv, - const uint8_t *src, - const uint8_t *addr); -void batadv_tt_free(struct bat_priv *bat_priv); -bool batadv_send_tt_response(struct bat_priv *bat_priv, - struct tt_query_packet *tt_request); -bool batadv_is_my_client(struct bat_priv *bat_priv, const uint8_t *addr); -void batadv_handle_tt_response(struct bat_priv *bat_priv, - struct tt_query_packet *tt_response); -bool batadv_is_ap_isolated(struct bat_priv *bat_priv, uint8_t *src, +struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv, + const uint8_t *src, + const uint8_t *addr); +void batadv_tt_free(struct batadv_priv *bat_priv); +bool batadv_send_tt_response(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_request); +bool batadv_is_my_client(struct batadv_priv *bat_priv, const uint8_t *addr); +void batadv_handle_tt_response(struct batadv_priv *bat_priv, + struct batadv_tt_query_packet *tt_response); +bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, uint8_t *src, uint8_t *dst); -void batadv_tt_update_orig(struct bat_priv *bat_priv, - struct orig_node *orig_node, +void batadv_tt_update_orig(struct batadv_priv *bat_priv, + struct batadv_orig_node *orig_node, const unsigned char *tt_buff, uint8_t tt_num_changes, uint8_t ttvn, uint16_t tt_crc); -int batadv_tt_append_diff(struct bat_priv *bat_priv, +int batadv_tt_append_diff(struct batadv_priv *bat_priv, unsigned char **packet_buff, int *packet_buff_len, int packet_min_len); -bool batadv_tt_global_client_is_roaming(struct bat_priv *bat_priv, +bool batadv_tt_global_client_is_roaming(struct batadv_priv *bat_priv, uint8_t *addr); diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 053c5d4..2141c13 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -22,14 +22,13 @@ #include "packet.h" #include "bitarray.h" +#include <linux/kernel.h> -#define BAT_HEADER_LEN (ETH_HLEN + \ - ((sizeof(struct unicast_packet) > sizeof(struct bcast_packet) ? \ - sizeof(struct unicast_packet) : \ - sizeof(struct bcast_packet)))) +#define BATADV_HEADER_LEN \ + (ETH_HLEN + max(sizeof(struct batadv_unicast_packet), \ + sizeof(struct batadv_bcast_packet))) - -struct hard_iface { +struct batadv_hard_iface { struct list_head list; int16_t if_num; char if_status; @@ -45,7 +44,7 @@ struct hard_iface { struct rcu_head rcu; }; -/* orig_node - structure for orig_list maintaining nodes of mesh +/* batadv_orig_node - structure for orig_list maintaining nodes of mesh * @primary_addr: hosts primary interface address * @last_seen: when last packet from this node was received * @bcast_seqno_reset: time when the broadcast seqno window was reset @@ -59,10 +58,10 @@ struct hard_iface { * @candidates: how many candidates are available * @selected: next bonding candidate */ -struct orig_node { +struct batadv_orig_node { uint8_t orig[ETH_ALEN]; uint8_t primary_addr[ETH_ALEN]; - struct neigh_node __rcu *router; /* rcu protected pointer */ + struct batadv_neigh_node __rcu *router; /* rcu protected pointer */ unsigned long *bcast_own; uint8_t *bcast_own_sum; unsigned long last_seen; @@ -86,7 +85,7 @@ struct orig_node { bool tt_poss_change; uint32_t last_real_seqno; uint8_t last_ttl; - DECLARE_BITMAP(bcast_bits, TQ_LOCAL_WINDOW_SIZE); + DECLARE_BITMAP(bcast_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); uint32_t last_bcast_seqno; struct hlist_head neigh_list; struct list_head frag_list; @@ -94,7 +93,7 @@ struct orig_node { atomic_t refcount; struct rcu_head rcu; struct hlist_node hash_entry; - struct bat_priv *bat_priv; + struct batadv_priv *bat_priv; unsigned long last_frag_packet; /* ogm_cnt_lock protects: bcast_own, bcast_own_sum, * neigh_node->real_bits, neigh_node->real_packet_count @@ -107,60 +106,60 @@ struct orig_node { struct list_head bond_list; }; -struct gw_node { +struct batadv_gw_node { struct hlist_node list; - struct orig_node *orig_node; + struct batadv_orig_node *orig_node; unsigned long deleted; atomic_t refcount; struct rcu_head rcu; }; -/* neigh_node +/* batadv_neigh_node * @last_seen: when last packet via this neighbor was received */ -struct neigh_node { +struct batadv_neigh_node { struct hlist_node list; uint8_t addr[ETH_ALEN]; uint8_t real_packet_count; - uint8_t tq_recv[TQ_GLOBAL_WINDOW_SIZE]; + uint8_t tq_recv[BATADV_TQ_GLOBAL_WINDOW_SIZE]; uint8_t tq_index; uint8_t tq_avg; uint8_t last_ttl; struct list_head bonding_list; unsigned long last_seen; - DECLARE_BITMAP(real_bits, TQ_LOCAL_WINDOW_SIZE); + DECLARE_BITMAP(real_bits, BATADV_TQ_LOCAL_WINDOW_SIZE); atomic_t refcount; struct rcu_head rcu; - struct orig_node *orig_node; - struct hard_iface *if_incoming; + struct batadv_orig_node *orig_node; + struct batadv_hard_iface *if_incoming; spinlock_t lq_update_lock; /* protects: tq_recv, tq_index */ }; #ifdef CONFIG_BATMAN_ADV_BLA -struct bcast_duplist_entry { +struct batadv_bcast_duplist_entry { uint8_t orig[ETH_ALEN]; uint16_t crc; unsigned long entrytime; }; #endif -enum bat_counters { - BAT_CNT_FORWARD, - BAT_CNT_FORWARD_BYTES, - BAT_CNT_MGMT_TX, - BAT_CNT_MGMT_TX_BYTES, - BAT_CNT_MGMT_RX, - BAT_CNT_MGMT_RX_BYTES, - BAT_CNT_TT_REQUEST_TX, - BAT_CNT_TT_REQUEST_RX, - BAT_CNT_TT_RESPONSE_TX, - BAT_CNT_TT_RESPONSE_RX, - BAT_CNT_TT_ROAM_ADV_TX, - BAT_CNT_TT_ROAM_ADV_RX, - BAT_CNT_NUM, +enum batadv_counters { + BATADV_CNT_FORWARD, + BATADV_CNT_FORWARD_BYTES, + BATADV_CNT_MGMT_TX, + BATADV_CNT_MGMT_TX_BYTES, + BATADV_CNT_MGMT_RX, + BATADV_CNT_MGMT_RX_BYTES, + BATADV_CNT_TT_REQUEST_TX, + BATADV_CNT_TT_REQUEST_RX, + BATADV_CNT_TT_RESPONSE_TX, + BATADV_CNT_TT_RESPONSE_RX, + BATADV_CNT_TT_ROAM_ADV_TX, + BATADV_CNT_TT_ROAM_ADV_RX, + BATADV_CNT_NUM, }; -struct bat_priv { +struct batadv_priv { atomic_t mesh_state; struct net_device_stats stats; uint64_t __percpu *bat_counters; /* Per cpu counters */ @@ -191,7 +190,7 @@ struct bat_priv { */ bool tt_poss_change; char num_ifaces; - struct debug_log *debug_log; + struct batadv_debug_log *debug_log; struct kobject *mesh_obj; struct dentry *debug_dir; struct hlist_head forw_bat_list; @@ -199,20 +198,20 @@ struct bat_priv { struct hlist_head gw_list; struct list_head tt_changes_list; /* tracks changes in a OGM int */ struct list_head vis_send_list; - struct hashtable_t *orig_hash; - struct hashtable_t *tt_local_hash; - struct hashtable_t *tt_global_hash; + struct batadv_hashtable *orig_hash; + struct batadv_hashtable *tt_local_hash; + struct batadv_hashtable *tt_global_hash; #ifdef CONFIG_BATMAN_ADV_BLA - struct hashtable_t *claim_hash; - struct hashtable_t *backbone_hash; + struct batadv_hashtable *claim_hash; + struct batadv_hashtable *backbone_hash; #endif struct list_head tt_req_list; /* list of pending tt_requests */ struct list_head tt_roam_list; - struct hashtable_t *vis_hash; + struct batadv_hashtable *vis_hash; #ifdef CONFIG_BATMAN_ADV_BLA - struct bcast_duplist_entry bcast_duplist[DUPLIST_SIZE]; + struct batadv_bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; int bcast_duplist_curr; - struct bla_claim_dst claim_dest; + struct batadv_bla_claim_dst claim_dest; #endif spinlock_t forw_bat_list_lock; /* protects forw_bat_list */ spinlock_t forw_bcast_list_lock; /* protects */ @@ -232,29 +231,29 @@ struct bat_priv { struct delayed_work orig_work; struct delayed_work vis_work; struct delayed_work bla_work; - struct gw_node __rcu *curr_gw; /* rcu protected pointer */ + struct batadv_gw_node __rcu *curr_gw; /* rcu protected pointer */ atomic_t gw_reselect; - struct hard_iface __rcu *primary_if; /* rcu protected pointer */ - struct vis_info *my_vis_info; - struct bat_algo_ops *bat_algo_ops; + struct batadv_hard_iface __rcu *primary_if; /* rcu protected pointer */ + struct batadv_vis_info *my_vis_info; + struct batadv_algo_ops *bat_algo_ops; }; -struct socket_client { +struct batadv_socket_client { struct list_head queue_list; unsigned int queue_len; unsigned char index; spinlock_t lock; /* protects queue_list, queue_len, index */ wait_queue_head_t queue_wait; - struct bat_priv *bat_priv; + struct batadv_priv *bat_priv; }; -struct socket_packet { +struct batadv_socket_packet { struct list_head list; size_t icmp_len; - struct icmp_packet_rr icmp_packet; + struct batadv_icmp_packet_rr icmp_packet; }; -struct tt_common_entry { +struct batadv_tt_common_entry { uint8_t addr[ETH_ALEN]; struct hlist_node hash_entry; uint16_t flags; @@ -262,31 +261,31 @@ struct tt_common_entry { struct rcu_head rcu; }; -struct tt_local_entry { - struct tt_common_entry common; +struct batadv_tt_local_entry { + struct batadv_tt_common_entry common; unsigned long last_seen; }; -struct tt_global_entry { - struct tt_common_entry common; +struct batadv_tt_global_entry { + struct batadv_tt_common_entry common; struct hlist_head orig_list; spinlock_t list_lock; /* protects the list */ unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */ }; -struct tt_orig_list_entry { - struct orig_node *orig_node; +struct batadv_tt_orig_list_entry { + struct batadv_orig_node *orig_node; uint8_t ttvn; struct rcu_head rcu; struct hlist_node list; }; #ifdef CONFIG_BATMAN_ADV_BLA -struct backbone_gw { +struct batadv_backbone_gw { uint8_t orig[ETH_ALEN]; short vid; /* used VLAN ID */ struct hlist_node hash_entry; - struct bat_priv *bat_priv; + struct batadv_priv *bat_priv; unsigned long lasttime; /* last time we heard of this backbone gw */ atomic_t request_sent; atomic_t refcount; @@ -294,10 +293,10 @@ struct backbone_gw { uint16_t crc; /* crc checksum over all claims */ }; -struct claim { +struct batadv_claim { uint8_t addr[ETH_ALEN]; short vid; - struct backbone_gw *backbone_gw; + struct batadv_backbone_gw *backbone_gw; unsigned long lasttime; /* last time we heard of claim (locals only) */ struct rcu_head rcu; atomic_t refcount; @@ -305,18 +304,18 @@ struct claim { }; #endif -struct tt_change_node { +struct batadv_tt_change_node { struct list_head list; - struct tt_change change; + struct batadv_tt_change change; }; -struct tt_req_node { +struct batadv_tt_req_node { uint8_t addr[ETH_ALEN]; unsigned long issued_at; struct list_head list; }; -struct tt_roam_node { +struct batadv_tt_roam_node { uint8_t addr[ETH_ALEN]; atomic_t counter; unsigned long first_time; @@ -326,7 +325,7 @@ struct tt_roam_node { /* forw_packet - structure for forw_list maintaining packets to be * send/forwarded */ -struct forw_packet { +struct batadv_forw_packet { struct hlist_node list; unsigned long send_time; uint8_t own; @@ -335,34 +334,34 @@ struct forw_packet { uint32_t direct_link_flags; uint8_t num_packets; struct delayed_work delayed_work; - struct hard_iface *if_incoming; + struct batadv_hard_iface *if_incoming; }; /* While scanning for vis-entries of a particular vis-originator * this list collects its interfaces to create a subgraph/cluster * out of them later */ -struct if_list_entry { +struct batadv_if_list_entry { uint8_t addr[ETH_ALEN]; bool primary; struct hlist_node list; }; -struct debug_log { - char log_buff[LOG_BUF_LEN]; +struct batadv_debug_log { + char log_buff[BATADV_LOG_BUF_LEN]; unsigned long log_start; unsigned long log_end; spinlock_t lock; /* protects log_buff, log_start and log_end */ wait_queue_head_t queue_wait; }; -struct frag_packet_list_entry { +struct batadv_frag_packet_list_entry { struct list_head list; uint16_t seqno; struct sk_buff *skb; }; -struct vis_info { +struct batadv_vis_info { unsigned long first_seen; /* list of server-neighbors we received a vis-packet * from. we should not reply to them. @@ -371,40 +370,40 @@ struct vis_info { struct list_head send_list; struct kref refcount; struct hlist_node hash_entry; - struct bat_priv *bat_priv; + struct batadv_priv *bat_priv; /* this packet might be part of the vis send queue. */ struct sk_buff *skb_packet; /* vis_info may follow here */ } __packed; -struct vis_info_entry { +struct batadv_vis_info_entry { uint8_t src[ETH_ALEN]; uint8_t dest[ETH_ALEN]; uint8_t quality; /* quality = 0 client */ } __packed; -struct recvlist_node { +struct batadv_recvlist_node { struct list_head list; uint8_t mac[ETH_ALEN]; }; -struct bat_algo_ops { +struct batadv_algo_ops { struct hlist_node list; char *name; /* init routing info when hard-interface is enabled */ - int (*bat_iface_enable)(struct hard_iface *hard_iface); + int (*bat_iface_enable)(struct batadv_hard_iface *hard_iface); /* de-init routing info when hard-interface is disabled */ - void (*bat_iface_disable)(struct hard_iface *hard_iface); + void (*bat_iface_disable)(struct batadv_hard_iface *hard_iface); /* (re-)init mac addresses of the protocol information * belonging to this hard-interface */ - void (*bat_iface_update_mac)(struct hard_iface *hard_iface); + void (*bat_iface_update_mac)(struct batadv_hard_iface *hard_iface); /* called when primary interface is selected / changed */ - void (*bat_primary_iface_set)(struct hard_iface *hard_iface); + void (*bat_primary_iface_set)(struct batadv_hard_iface *hard_iface); /* prepare a new outgoing OGM for the send queue */ - void (*bat_ogm_schedule)(struct hard_iface *hard_iface); + void (*bat_ogm_schedule)(struct batadv_hard_iface *hard_iface); /* send scheduled OGM */ - void (*bat_ogm_emit)(struct forw_packet *forw_packet); + void (*bat_ogm_emit)(struct batadv_forw_packet *forw_packet); }; #endif /* _NET_BATMAN_ADV_TYPES_H_ */ diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c index d021055..0016464 100644 --- a/net/batman-adv/unicast.c +++ b/net/batman-adv/unicast.c @@ -29,19 +29,20 @@ #include "hard-interface.h" -static struct sk_buff *frag_merge_packet(struct list_head *head, - struct frag_packet_list_entry *tfp, - struct sk_buff *skb) +static struct sk_buff * +batadv_frag_merge_packet(struct list_head *head, + struct batadv_frag_packet_list_entry *tfp, + struct sk_buff *skb) { - struct unicast_frag_packet *up = - (struct unicast_frag_packet *)skb->data; + struct batadv_unicast_frag_packet *up; struct sk_buff *tmp_skb; - struct unicast_packet *unicast_packet; + struct batadv_unicast_packet *unicast_packet; int hdr_len = sizeof(*unicast_packet); int uni_diff = sizeof(*up) - hdr_len; + up = (struct batadv_unicast_frag_packet *)skb->data; /* set skb to the first part and tmp_skb to the second part */ - if (up->flags & UNI_FRAG_HEAD) { + if (up->flags & BATADV_UNI_FRAG_HEAD) { tmp_skb = tfp->skb; } else { tmp_skb = skb; @@ -64,8 +65,9 @@ static struct sk_buff *frag_merge_packet(struct list_head *head, kfree_skb(tmp_skb); memmove(skb->data + uni_diff, skb->data, hdr_len); - unicast_packet = (struct unicast_packet *)skb_pull(skb, uni_diff); - unicast_packet->header.packet_type = BAT_UNICAST; + unicast_packet = (struct batadv_unicast_packet *)skb_pull(skb, + uni_diff); + unicast_packet->header.packet_type = BATADV_UNICAST; return skb; @@ -75,11 +77,13 @@ err: return NULL; } -static void frag_create_entry(struct list_head *head, struct sk_buff *skb) +static void batadv_frag_create_entry(struct list_head *head, + struct sk_buff *skb) { - struct frag_packet_list_entry *tfp; - struct unicast_frag_packet *up = - (struct unicast_frag_packet *)skb->data; + struct batadv_frag_packet_list_entry *tfp; + struct batadv_unicast_frag_packet *up; + + up = (struct batadv_unicast_frag_packet *)skb->data; /* free and oldest packets stand at the end */ tfp = list_entry((head)->prev, typeof(*tfp), list); @@ -91,12 +95,12 @@ static void frag_create_entry(struct list_head *head, struct sk_buff *skb) return; } -static int frag_create_buffer(struct list_head *head) +static int batadv_frag_create_buffer(struct list_head *head) { int i; - struct frag_packet_list_entry *tfp; + struct batadv_frag_packet_list_entry *tfp; - for (i = 0; i < FRAG_BUFFER_SIZE; i++) { + for (i = 0; i < BATADV_FRAG_BUFFER_SIZE; i++) { tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC); if (!tfp) { batadv_frag_list_free(head); @@ -111,14 +115,15 @@ static int frag_create_buffer(struct list_head *head) return 0; } -static struct frag_packet_list_entry *frag_search_packet(struct list_head *head, - const struct unicast_frag_packet *up) +static struct batadv_frag_packet_list_entry * +batadv_frag_search_packet(struct list_head *head, + const struct batadv_unicast_frag_packet *up) { - struct frag_packet_list_entry *tfp; - struct unicast_frag_packet *tmp_up = NULL; + struct batadv_frag_packet_list_entry *tfp; + struct batadv_unicast_frag_packet *tmp_up = NULL; uint16_t search_seqno; - if (up->flags & UNI_FRAG_HEAD) + if (up->flags & BATADV_UNI_FRAG_HEAD) search_seqno = ntohs(up->seqno)+1; else search_seqno = ntohs(up->seqno)-1; @@ -131,12 +136,12 @@ static struct frag_packet_list_entry *frag_search_packet(struct list_head *head, if (tfp->seqno == ntohs(up->seqno)) goto mov_tail; - tmp_up = (struct unicast_frag_packet *)tfp->skb->data; + tmp_up = (struct batadv_unicast_frag_packet *)tfp->skb->data; if (tfp->seqno == search_seqno) { - if ((tmp_up->flags & UNI_FRAG_HEAD) != - (up->flags & UNI_FRAG_HEAD)) + if ((tmp_up->flags & BATADV_UNI_FRAG_HEAD) != + (up->flags & BATADV_UNI_FRAG_HEAD)) return tfp; else goto mov_tail; @@ -151,7 +156,7 @@ mov_tail: void batadv_frag_list_free(struct list_head *head) { - struct frag_packet_list_entry *pf, *tmp_pf; + struct batadv_frag_packet_list_entry *pf, *tmp_pf; if (!list_empty(head)) { @@ -170,15 +175,16 @@ void batadv_frag_list_free(struct list_head *head) * or the skb could be reassembled (skb_new will point to the new packet and * skb was freed) */ -int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, +int batadv_frag_reassemble_skb(struct sk_buff *skb, + struct batadv_priv *bat_priv, struct sk_buff **new_skb) { - struct orig_node *orig_node; - struct frag_packet_list_entry *tmp_frag_entry; + struct batadv_orig_node *orig_node; + struct batadv_frag_packet_list_entry *tmp_frag_entry; int ret = NET_RX_DROP; - struct unicast_frag_packet *unicast_packet = - (struct unicast_frag_packet *)skb->data; + struct batadv_unicast_frag_packet *unicast_packet; + unicast_packet = (struct batadv_unicast_frag_packet *)skb->data; *new_skb = NULL; orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->orig); @@ -188,22 +194,22 @@ int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, orig_node->last_frag_packet = jiffies; if (list_empty(&orig_node->frag_list) && - frag_create_buffer(&orig_node->frag_list)) { + batadv_frag_create_buffer(&orig_node->frag_list)) { pr_debug("couldn't create frag buffer\n"); goto out; } - tmp_frag_entry = frag_search_packet(&orig_node->frag_list, - unicast_packet); + tmp_frag_entry = batadv_frag_search_packet(&orig_node->frag_list, + unicast_packet); if (!tmp_frag_entry) { - frag_create_entry(&orig_node->frag_list, skb); + batadv_frag_create_entry(&orig_node->frag_list, skb); ret = NET_RX_SUCCESS; goto out; } - *new_skb = frag_merge_packet(&orig_node->frag_list, tmp_frag_entry, - skb); + *new_skb = batadv_frag_merge_packet(&orig_node->frag_list, + tmp_frag_entry, skb); /* if not, merge failed */ if (*new_skb) ret = NET_RX_SUCCESS; @@ -214,13 +220,14 @@ out: return ret; } -int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, - struct hard_iface *hard_iface, const uint8_t dstaddr[]) +int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv, + struct batadv_hard_iface *hard_iface, + const uint8_t dstaddr[]) { - struct unicast_packet tmp_uc, *unicast_packet; - struct hard_iface *primary_if; + struct batadv_unicast_packet tmp_uc, *unicast_packet; + struct batadv_hard_iface *primary_if; struct sk_buff *frag_skb; - struct unicast_frag_packet *frag1, *frag2; + struct batadv_unicast_frag_packet *frag1, *frag2; int uc_hdr_len = sizeof(*unicast_packet); int ucf_hdr_len = sizeof(*frag1); int data_len = skb->len - uc_hdr_len; @@ -236,7 +243,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, goto dropped; skb_reserve(frag_skb, ucf_hdr_len); - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; memcpy(&tmp_uc, unicast_packet, uc_hdr_len); skb_split(skb, frag_skb, data_len / 2 + uc_hdr_len); @@ -244,22 +251,22 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, batadv_skb_head_push(frag_skb, ucf_hdr_len) < 0) goto drop_frag; - frag1 = (struct unicast_frag_packet *)skb->data; - frag2 = (struct unicast_frag_packet *)frag_skb->data; + frag1 = (struct batadv_unicast_frag_packet *)skb->data; + frag2 = (struct batadv_unicast_frag_packet *)frag_skb->data; memcpy(frag1, &tmp_uc, sizeof(tmp_uc)); frag1->header.ttl--; - frag1->header.version = COMPAT_VERSION; - frag1->header.packet_type = BAT_UNICAST_FRAG; + frag1->header.version = BATADV_COMPAT_VERSION; + frag1->header.packet_type = BATADV_UNICAST_FRAG; memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN); memcpy(frag2, frag1, sizeof(*frag2)); if (data_len & 1) - large_tail = UNI_FRAG_LARGETAIL; + large_tail = BATADV_UNI_FRAG_LARGETAIL; - frag1->flags = UNI_FRAG_HEAD | large_tail; + frag1->flags = BATADV_UNI_FRAG_HEAD | large_tail; frag2->flags = large_tail; seqno = atomic_add_return(2, &hard_iface->frag_seqno); @@ -281,14 +288,15 @@ out: return ret; } -int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) +int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv) { struct ethhdr *ethhdr = (struct ethhdr *)skb->data; - struct unicast_packet *unicast_packet; - struct orig_node *orig_node; - struct neigh_node *neigh_node; + struct batadv_unicast_packet *unicast_packet; + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *neigh_node; int data_len = skb->len; int ret = 1; + unsigned int dev_mtu; /* get routing information */ if (is_multicast_ether_addr(ethhdr->h_dest)) { @@ -302,25 +310,27 @@ int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv) */ orig_node = batadv_transtable_search(bat_priv, ethhdr->h_source, ethhdr->h_dest); + find_router: /* find_router(): * - if orig_node is NULL it returns NULL * - increases neigh_nodes refcount if found. */ neigh_node = batadv_find_router(bat_priv, orig_node, NULL); + if (!neigh_node) goto out; if (batadv_skb_head_push(skb, sizeof(*unicast_packet)) < 0) goto out; - unicast_packet = (struct unicast_packet *)skb->data; + unicast_packet = (struct batadv_unicast_packet *)skb->data; - unicast_packet->header.version = COMPAT_VERSION; + unicast_packet->header.version = BATADV_COMPAT_VERSION; /* batman packet type: unicast */ - unicast_packet->header.packet_type = BAT_UNICAST; + unicast_packet->header.packet_type = BATADV_UNICAST; /* set unicast ttl */ - unicast_packet->header.ttl = TTL; + unicast_packet->header.ttl = BATADV_TTL; /* copy the destination for faster routing */ memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN); /* set the destination tt version number */ @@ -335,9 +345,9 @@ find_router: if (batadv_tt_global_client_is_roaming(bat_priv, ethhdr->h_dest)) unicast_packet->ttvn = unicast_packet->ttvn - 1; + dev_mtu = neigh_node->if_incoming->net_dev->mtu; if (atomic_read(&bat_priv->fragmentation) && - data_len + sizeof(*unicast_packet) > - neigh_node->if_incoming->net_dev->mtu) { + data_len + sizeof(*unicast_packet) > dev_mtu) { /* send frag skb decreases ttl */ unicast_packet->header.ttl++; ret = batadv_frag_send_skb(skb, bat_priv, diff --git a/net/batman-adv/unicast.h b/net/batman-adv/unicast.h index 9257b83..1c46e2e 100644 --- a/net/batman-adv/unicast.h +++ b/net/batman-adv/unicast.h @@ -22,34 +22,35 @@ #include "packet.h" -#define FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */ -#define FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */ +#define BATADV_FRAG_TIMEOUT 10000 /* purge frag list entries after time in ms */ +#define BATADV_FRAG_BUFFER_SIZE 6 /* number of list elements in buffer */ -int batadv_frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, +int batadv_frag_reassemble_skb(struct sk_buff *skb, + struct batadv_priv *bat_priv, struct sk_buff **new_skb); void batadv_frag_list_free(struct list_head *head); -int batadv_unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv); -int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, - struct hard_iface *hard_iface, +int batadv_unicast_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv); +int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv, + struct batadv_hard_iface *hard_iface, const uint8_t dstaddr[]); static inline int batadv_frag_can_reassemble(const struct sk_buff *skb, int mtu) { - const struct unicast_frag_packet *unicast_packet; + const struct batadv_unicast_frag_packet *unicast_packet; int uneven_correction = 0; unsigned int merged_size; - unicast_packet = (struct unicast_frag_packet *)skb->data; + unicast_packet = (struct batadv_unicast_frag_packet *)skb->data; - if (unicast_packet->flags & UNI_FRAG_LARGETAIL) { - if (unicast_packet->flags & UNI_FRAG_HEAD) + if (unicast_packet->flags & BATADV_UNI_FRAG_LARGETAIL) { + if (unicast_packet->flags & BATADV_UNI_FRAG_HEAD) uneven_correction = 1; else uneven_correction = -1; } merged_size = (skb->len - sizeof(*unicast_packet)) * 2; - merged_size += sizeof(struct unicast_packet) + uneven_correction; + merged_size += sizeof(struct batadv_unicast_packet) + uneven_correction; return merged_size <= mtu; } diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c index d45989e..2a2ea06 100644 --- a/net/batman-adv/vis.c +++ b/net/batman-adv/vis.c @@ -26,16 +26,19 @@ #include "hash.h" #include "originator.h" -#define MAX_VIS_PACKET_SIZE 1000 +#define BATADV_MAX_VIS_PACKET_SIZE 1000 -static void start_vis_timer(struct bat_priv *bat_priv); +static void batadv_start_vis_timer(struct batadv_priv *bat_priv); /* free the info */ -static void free_info(struct kref *ref) +static void batadv_free_info(struct kref *ref) { - struct vis_info *info = container_of(ref, struct vis_info, refcount); - struct bat_priv *bat_priv = info->bat_priv; - struct recvlist_node *entry, *tmp; + struct batadv_vis_info *info; + struct batadv_priv *bat_priv; + struct batadv_recvlist_node *entry, *tmp; + + info = container_of(ref, struct batadv_vis_info, refcount); + bat_priv = info->bat_priv; list_del_init(&info->send_list); spin_lock_bh(&bat_priv->vis_list_lock); @@ -50,30 +53,30 @@ static void free_info(struct kref *ref) } /* Compare two vis packets, used by the hashing algorithm */ -static int vis_info_cmp(const struct hlist_node *node, const void *data2) +static int batadv_vis_info_cmp(const struct hlist_node *node, const void *data2) { - const struct vis_info *d1, *d2; - const struct vis_packet *p1, *p2; + const struct batadv_vis_info *d1, *d2; + const struct batadv_vis_packet *p1, *p2; - d1 = container_of(node, struct vis_info, hash_entry); + d1 = container_of(node, struct batadv_vis_info, hash_entry); d2 = data2; - p1 = (struct vis_packet *)d1->skb_packet->data; - p2 = (struct vis_packet *)d2->skb_packet->data; + p1 = (struct batadv_vis_packet *)d1->skb_packet->data; + p2 = (struct batadv_vis_packet *)d2->skb_packet->data; return batadv_compare_eth(p1->vis_orig, p2->vis_orig); } /* hash function to choose an entry in a hash table of given size * hash algorithm from http://en.wikipedia.org/wiki/Hash_table */ -static uint32_t vis_info_choose(const void *data, uint32_t size) +static uint32_t batadv_vis_info_choose(const void *data, uint32_t size) { - const struct vis_info *vis_info = data; - const struct vis_packet *packet; + const struct batadv_vis_info *vis_info = data; + const struct batadv_vis_packet *packet; const unsigned char *key; uint32_t hash = 0; size_t i; - packet = (struct vis_packet *)vis_info->skb_packet->data; + packet = (struct batadv_vis_packet *)vis_info->skb_packet->data; key = packet->vis_orig; for (i = 0; i < ETH_ALEN; i++) { hash += key[i]; @@ -88,24 +91,24 @@ static uint32_t vis_info_choose(const void *data, uint32_t size) return hash % size; } -static struct vis_info *vis_hash_find(struct bat_priv *bat_priv, - const void *data) +static struct batadv_vis_info * +batadv_vis_hash_find(struct batadv_priv *bat_priv, const void *data) { - struct hashtable_t *hash = bat_priv->vis_hash; + struct batadv_hashtable *hash = bat_priv->vis_hash; struct hlist_head *head; struct hlist_node *node; - struct vis_info *vis_info, *vis_info_tmp = NULL; + struct batadv_vis_info *vis_info, *vis_info_tmp = NULL; uint32_t index; if (!hash) return NULL; - index = vis_info_choose(data, hash->size); + index = batadv_vis_info_choose(data, hash->size); head = &hash->table[index]; rcu_read_lock(); hlist_for_each_entry_rcu(vis_info, node, head, hash_entry) { - if (!vis_info_cmp(node, data)) + if (!batadv_vis_info_cmp(node, data)) continue; vis_info_tmp = vis_info; @@ -119,11 +122,11 @@ static struct vis_info *vis_hash_find(struct bat_priv *bat_priv, /* insert interface to the list of interfaces of one originator, if it * does not already exist in the list */ -static void vis_data_insert_interface(const uint8_t *interface, - struct hlist_head *if_list, - bool primary) +static void batadv_vis_data_insert_interface(const uint8_t *interface, + struct hlist_head *if_list, + bool primary) { - struct if_list_entry *entry; + struct batadv_if_list_entry *entry; struct hlist_node *pos; hlist_for_each_entry(entry, pos, if_list, list) { @@ -140,195 +143,134 @@ static void vis_data_insert_interface(const uint8_t *interface, hlist_add_head(&entry->list, if_list); } -static ssize_t vis_data_read_prim_sec(char *buff, - const struct hlist_head *if_list) +static void batadv_vis_data_read_prim_sec(struct seq_file *seq, + const struct hlist_head *if_list) { - struct if_list_entry *entry; + struct batadv_if_list_entry *entry; struct hlist_node *pos; - size_t len = 0; hlist_for_each_entry(entry, pos, if_list, list) { if (entry->primary) - len += sprintf(buff + len, "PRIMARY, "); + seq_printf(seq, "PRIMARY, "); else - len += sprintf(buff + len, "SEC %pM, ", entry->addr); + seq_printf(seq, "SEC %pM, ", entry->addr); } +} - return len; +/* read an entry */ +static ssize_t +batadv_vis_data_read_entry(struct seq_file *seq, + const struct batadv_vis_info_entry *entry, + const uint8_t *src, bool primary) +{ + if (primary && entry->quality == 0) + return seq_printf(seq, "TT %pM, ", entry->dest); + else if (batadv_compare_eth(entry->src, src)) + return seq_printf(seq, "TQ %pM %d, ", entry->dest, + entry->quality); + + return 0; } -static size_t vis_data_count_prim_sec(struct hlist_head *if_list) +static void +batadv_vis_data_insert_interfaces(struct hlist_head *list, + struct batadv_vis_packet *packet, + struct batadv_vis_info_entry *entries) { - struct if_list_entry *entry; - struct hlist_node *pos; - size_t count = 0; + int i; - hlist_for_each_entry(entry, pos, if_list, list) { - if (entry->primary) - count += 9; - else - count += 23; + for (i = 0; i < packet->entries; i++) { + if (entries[i].quality == 0) + continue; + + if (batadv_compare_eth(entries[i].src, packet->vis_orig)) + continue; + + batadv_vis_data_insert_interface(entries[i].src, list, false); } +} - return count; +static void batadv_vis_data_read_entries(struct seq_file *seq, + struct hlist_head *list, + struct batadv_vis_packet *packet, + struct batadv_vis_info_entry *entries) +{ + int i; + struct batadv_if_list_entry *entry; + struct hlist_node *pos; + + hlist_for_each_entry(entry, pos, list, list) { + seq_printf(seq, "%pM,", entry->addr); + + for (i = 0; i < packet->entries; i++) + batadv_vis_data_read_entry(seq, &entries[i], + entry->addr, entry->primary); + + /* add primary/secondary records */ + if (batadv_compare_eth(entry->addr, packet->vis_orig)) + batadv_vis_data_read_prim_sec(seq, list); + + seq_printf(seq, "\n"); + } } -/* read an entry */ -static ssize_t vis_data_read_entry(char *buff, - const struct vis_info_entry *entry, - const uint8_t *src, bool primary) +static void batadv_vis_seq_print_text_bucket(struct seq_file *seq, + const struct hlist_head *head) { - /* maximal length: max(4+17+2, 3+17+1+3+2) == 26 */ - if (primary && entry->quality == 0) - return sprintf(buff, "TT %pM, ", entry->dest); - else if (batadv_compare_eth(entry->src, src)) - return sprintf(buff, "TQ %pM %d, ", entry->dest, - entry->quality); + struct hlist_node *node; + struct batadv_vis_info *info; + struct batadv_vis_packet *packet; + uint8_t *entries_pos; + struct batadv_vis_info_entry *entries; + struct batadv_if_list_entry *entry; + struct hlist_node *pos, *n; - return 0; + HLIST_HEAD(vis_if_list); + + hlist_for_each_entry_rcu(info, node, head, hash_entry) { + packet = (struct batadv_vis_packet *)info->skb_packet->data; + entries_pos = (uint8_t *)packet + sizeof(*packet); + entries = (struct batadv_vis_info_entry *)entries_pos; + + batadv_vis_data_insert_interface(packet->vis_orig, &vis_if_list, + true); + batadv_vis_data_insert_interfaces(&vis_if_list, packet, + entries); + batadv_vis_data_read_entries(seq, &vis_if_list, packet, + entries); + + hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, list) { + hlist_del(&entry->list); + kfree(entry); + } + } } int batadv_vis_seq_print_text(struct seq_file *seq, void *offset) { - struct hard_iface *primary_if; - struct hlist_node *node; + struct batadv_hard_iface *primary_if; struct hlist_head *head; - struct vis_info *info; - struct vis_packet *packet; - struct vis_info_entry *entries; struct net_device *net_dev = (struct net_device *)seq->private; - struct bat_priv *bat_priv = netdev_priv(net_dev); - struct hashtable_t *hash = bat_priv->vis_hash; - HLIST_HEAD(vis_if_list); - struct if_list_entry *entry; - struct hlist_node *pos, *n; + struct batadv_priv *bat_priv = netdev_priv(net_dev); + struct batadv_hashtable *hash = bat_priv->vis_hash; uint32_t i; - int j, ret = 0; + int ret = 0; int vis_server = atomic_read(&bat_priv->vis_mode); - size_t buff_pos, buf_size; - char *buff; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; - if (vis_server == VIS_TYPE_CLIENT_UPDATE) + if (vis_server == BATADV_VIS_TYPE_CLIENT_UPDATE) goto out; - buf_size = 1; - /* Estimate length */ spin_lock_bh(&bat_priv->vis_hash_lock); for (i = 0; i < hash->size; i++) { head = &hash->table[i]; - - rcu_read_lock(); - hlist_for_each_entry_rcu(info, node, head, hash_entry) { - packet = (struct vis_packet *)info->skb_packet->data; - entries = (struct vis_info_entry *) - ((char *)packet + sizeof(*packet)); - - vis_data_insert_interface(packet->vis_orig, - &vis_if_list, true); - - for (j = 0; j < packet->entries; j++) { - if (entries[j].quality == 0) - continue; - if (batadv_compare_eth(entries[j].src, - packet->vis_orig)) - continue; - vis_data_insert_interface(entries[j].src, - &vis_if_list, - false); - } - - hlist_for_each_entry(entry, pos, &vis_if_list, list) { - buf_size += 18 + 26 * packet->entries; - - /* add primary/secondary records */ - if (batadv_compare_eth(entry->addr, - packet->vis_orig)) - buf_size += - vis_data_count_prim_sec(&vis_if_list); - - buf_size += 1; - } - - hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, - list) { - hlist_del(&entry->list); - kfree(entry); - } - } - rcu_read_unlock(); - } - - buff = kmalloc(buf_size, GFP_ATOMIC); - if (!buff) { - spin_unlock_bh(&bat_priv->vis_hash_lock); - ret = -ENOMEM; - goto out; - } - buff[0] = '\0'; - buff_pos = 0; - - for (i = 0; i < hash->size; i++) { - head = &hash->table[i]; - - rcu_read_lock(); - hlist_for_each_entry_rcu(info, node, head, hash_entry) { - packet = (struct vis_packet *)info->skb_packet->data; - entries = (struct vis_info_entry *) - ((char *)packet + sizeof(*packet)); - - vis_data_insert_interface(packet->vis_orig, - &vis_if_list, true); - - for (j = 0; j < packet->entries; j++) { - if (entries[j].quality == 0) - continue; - if (batadv_compare_eth(entries[j].src, - packet->vis_orig)) - continue; - vis_data_insert_interface(entries[j].src, - &vis_if_list, - false); - } - - hlist_for_each_entry(entry, pos, &vis_if_list, list) { - buff_pos += sprintf(buff + buff_pos, "%pM,", - entry->addr); - - for (j = 0; j < packet->entries; j++) - buff_pos += vis_data_read_entry( - buff + buff_pos, - &entries[j], - entry->addr, - entry->primary); - - /* add primary/secondary records */ - if (batadv_compare_eth(entry->addr, - packet->vis_orig)) - buff_pos += - vis_data_read_prim_sec(buff + buff_pos, - &vis_if_list); - - buff_pos += sprintf(buff + buff_pos, "\n"); - } - - hlist_for_each_entry_safe(entry, pos, n, &vis_if_list, - list) { - hlist_del(&entry->list); - kfree(entry); - } - } - rcu_read_unlock(); + batadv_vis_seq_print_text_bucket(seq, head); } - spin_unlock_bh(&bat_priv->vis_hash_lock); - seq_printf(seq, "%s", buff); - kfree(buff); - out: if (primary_if) batadv_hardif_free_ref(primary_if); @@ -338,7 +280,8 @@ out: /* add the info packet to the send list, if it was not * already linked in. */ -static void send_list_add(struct bat_priv *bat_priv, struct vis_info *info) +static void batadv_send_list_add(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { if (list_empty(&info->send_list)) { kref_get(&info->refcount); @@ -349,19 +292,19 @@ static void send_list_add(struct bat_priv *bat_priv, struct vis_info *info) /* delete the info packet from the send list, if it was * linked in. */ -static void send_list_del(struct vis_info *info) +static void batadv_send_list_del(struct batadv_vis_info *info) { if (!list_empty(&info->send_list)) { list_del_init(&info->send_list); - kref_put(&info->refcount, free_info); + kref_put(&info->refcount, batadv_free_info); } } /* tries to add one entry to the receive list. */ -static void recv_list_add(struct bat_priv *bat_priv, - struct list_head *recv_list, const char *mac) +static void batadv_recv_list_add(struct batadv_priv *bat_priv, + struct list_head *recv_list, const char *mac) { - struct recvlist_node *entry; + struct batadv_recvlist_node *entry; entry = kmalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) @@ -374,10 +317,11 @@ static void recv_list_add(struct bat_priv *bat_priv, } /* returns 1 if this mac is in the recv_list */ -static int recv_list_is_in(struct bat_priv *bat_priv, - const struct list_head *recv_list, const char *mac) +static int batadv_recv_list_is_in(struct batadv_priv *bat_priv, + const struct list_head *recv_list, + const char *mac) { - const struct recvlist_node *entry; + const struct batadv_recvlist_node *entry; spin_lock_bh(&bat_priv->vis_list_lock); list_for_each_entry(entry, recv_list, list) { @@ -394,16 +338,19 @@ static int recv_list_is_in(struct bat_priv *bat_priv, * broken.. ). vis hash must be locked outside. is_new is set when the packet * is newer than old entries in the hash. */ -static struct vis_info *add_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, - int vis_info_len, int *is_new, - int make_broadcast) +static struct batadv_vis_info * +batadv_add_packet(struct batadv_priv *bat_priv, + struct batadv_vis_packet *vis_packet, int vis_info_len, + int *is_new, int make_broadcast) { - struct vis_info *info, *old_info; - struct vis_packet *search_packet, *old_packet; - struct vis_info search_elem; - struct vis_packet *packet; + struct batadv_vis_info *info, *old_info; + struct batadv_vis_packet *search_packet, *old_packet; + struct batadv_vis_info search_elem; + struct batadv_vis_packet *packet; + struct sk_buff *tmp_skb; int hash_added; + size_t len; + size_t max_entries; *is_new = 0; /* sanity check */ @@ -414,20 +361,23 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv, search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet)); if (!search_elem.skb_packet) return NULL; - search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet, - sizeof(*search_packet)); + len = sizeof(*search_packet); + tmp_skb = search_elem.skb_packet; + search_packet = (struct batadv_vis_packet *)skb_put(tmp_skb, len); memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN); - old_info = vis_hash_find(bat_priv, &search_elem); + old_info = batadv_vis_hash_find(bat_priv, &search_elem); kfree_skb(search_elem.skb_packet); if (old_info) { - old_packet = (struct vis_packet *)old_info->skb_packet->data; - if (!seq_after(ntohl(vis_packet->seqno), - ntohl(old_packet->seqno))) { + tmp_skb = old_info->skb_packet; + old_packet = (struct batadv_vis_packet *)tmp_skb->data; + if (!batadv_seq_after(ntohl(vis_packet->seqno), + ntohl(old_packet->seqno))) { if (old_packet->seqno == vis_packet->seqno) { - recv_list_add(bat_priv, &old_info->recv_list, - vis_packet->sender_orig); + batadv_recv_list_add(bat_priv, + &old_info->recv_list, + vis_packet->sender_orig); return old_info; } else { /* newer packet is already in hash. */ @@ -435,32 +385,31 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv, } } /* remove old entry */ - batadv_hash_remove(bat_priv->vis_hash, vis_info_cmp, - vis_info_choose, old_info); - send_list_del(old_info); - kref_put(&old_info->refcount, free_info); + batadv_hash_remove(bat_priv->vis_hash, batadv_vis_info_cmp, + batadv_vis_info_choose, old_info); + batadv_send_list_del(old_info); + kref_put(&old_info->refcount, batadv_free_info); } info = kmalloc(sizeof(*info), GFP_ATOMIC); if (!info) return NULL; - info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len + - ETH_HLEN); + len = sizeof(*packet) + vis_info_len; + info->skb_packet = dev_alloc_skb(len + ETH_HLEN); if (!info->skb_packet) { kfree(info); return NULL; } skb_reserve(info->skb_packet, ETH_HLEN); - packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet) - + vis_info_len); + packet = (struct batadv_vis_packet *)skb_put(info->skb_packet, len); kref_init(&info->refcount); INIT_LIST_HEAD(&info->send_list); INIT_LIST_HEAD(&info->recv_list); info->first_seen = jiffies; info->bat_priv = bat_priv; - memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len); + memcpy(packet, vis_packet, len); /* initialize and add new packet. */ *is_new = 1; @@ -470,17 +419,19 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv, memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN); /* repair if entries is longer than packet. */ - if (packet->entries * sizeof(struct vis_info_entry) > vis_info_len) - packet->entries = vis_info_len / sizeof(struct vis_info_entry); + max_entries = vis_info_len / sizeof(struct batadv_vis_info_entry); + if (packet->entries > max_entries) + packet->entries = max_entries; - recv_list_add(bat_priv, &info->recv_list, packet->sender_orig); + batadv_recv_list_add(bat_priv, &info->recv_list, packet->sender_orig); /* try to add it */ - hash_added = batadv_hash_add(bat_priv->vis_hash, vis_info_cmp, - vis_info_choose, info, &info->hash_entry); + hash_added = batadv_hash_add(bat_priv->vis_hash, batadv_vis_info_cmp, + batadv_vis_info_choose, info, + &info->hash_entry); if (hash_added != 0) { /* did not work (for some reason) */ - kref_put(&info->refcount, free_info); + kref_put(&info->refcount, batadv_free_info); info = NULL; } @@ -488,38 +439,38 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv, } /* handle the server sync packet, forward if needed. */ -void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, +void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv, + struct batadv_vis_packet *vis_packet, int vis_info_len) { - struct vis_info *info; + struct batadv_vis_info *info; int is_new, make_broadcast; int vis_server = atomic_read(&bat_priv->vis_mode); - make_broadcast = (vis_server == VIS_TYPE_SERVER_SYNC); + make_broadcast = (vis_server == BATADV_VIS_TYPE_SERVER_SYNC); spin_lock_bh(&bat_priv->vis_hash_lock); - info = add_packet(bat_priv, vis_packet, vis_info_len, - &is_new, make_broadcast); + info = batadv_add_packet(bat_priv, vis_packet, vis_info_len, + &is_new, make_broadcast); if (!info) goto end; /* only if we are server ourselves and packet is newer than the one in * hash. */ - if (vis_server == VIS_TYPE_SERVER_SYNC && is_new) - send_list_add(bat_priv, info); + if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC && is_new) + batadv_send_list_add(bat_priv, info); end: spin_unlock_bh(&bat_priv->vis_hash_lock); } /* handle an incoming client update packet and schedule forward if needed. */ -void batadv_receive_client_update_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, +void batadv_receive_client_update_packet(struct batadv_priv *bat_priv, + struct batadv_vis_packet *vis_packet, int vis_info_len) { - struct vis_info *info; - struct vis_packet *packet; + struct batadv_vis_info *info; + struct batadv_vis_packet *packet; int is_new; int vis_server = atomic_read(&bat_priv->vis_mode); int are_target = 0; @@ -529,28 +480,28 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv, return; /* Are we the target for this VIS packet? */ - if (vis_server == VIS_TYPE_SERVER_SYNC && + if (vis_server == BATADV_VIS_TYPE_SERVER_SYNC && batadv_is_my_mac(vis_packet->target_orig)) are_target = 1; spin_lock_bh(&bat_priv->vis_hash_lock); - info = add_packet(bat_priv, vis_packet, vis_info_len, - &is_new, are_target); + info = batadv_add_packet(bat_priv, vis_packet, vis_info_len, + &is_new, are_target); if (!info) goto end; /* note that outdated packets will be dropped at this point. */ - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; /* send only if we're the target server or ... */ if (are_target && is_new) { - packet->vis_type = VIS_TYPE_SERVER_SYNC; /* upgrade! */ - send_list_add(bat_priv, info); + packet->vis_type = BATADV_VIS_TYPE_SERVER_SYNC; /* upgrade! */ + batadv_send_list_add(bat_priv, info); /* ... we're not the recipient (and thus need to forward). */ } else if (!batadv_is_my_mac(packet->target_orig)) { - send_list_add(bat_priv, info); + batadv_send_list_add(bat_priv, info); } end: @@ -562,19 +513,19 @@ end: * * Must be called with the originator hash locked */ -static int find_best_vis_server(struct bat_priv *bat_priv, - struct vis_info *info) +static int batadv_find_best_vis_server(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct hashtable_t *hash = bat_priv->orig_hash; - struct neigh_node *router; + struct batadv_hashtable *hash = bat_priv->orig_hash; + struct batadv_neigh_node *router; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; - struct vis_packet *packet; + struct batadv_orig_node *orig_node; + struct batadv_vis_packet *packet; int best_tq = -1; uint32_t i; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -585,7 +536,7 @@ static int find_best_vis_server(struct bat_priv *bat_priv, if (!router) continue; - if ((orig_node->flags & VIS_SERVER) && + if ((orig_node->flags & BATADV_VIS_SERVER) && (router->tq_avg > best_tq)) { best_tq = router->tq_avg; memcpy(packet->target_orig, orig_node->orig, @@ -600,13 +551,15 @@ static int find_best_vis_server(struct bat_priv *bat_priv, } /* Return true if the vis packet is full. */ -static bool vis_packet_full(const struct vis_info *info) +static bool batadv_vis_packet_full(const struct batadv_vis_info *info) { - const struct vis_packet *packet; - packet = (struct vis_packet *)info->skb_packet->data; + const struct batadv_vis_packet *packet; + size_t num; + + packet = (struct batadv_vis_packet *)info->skb_packet->data; + num = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct batadv_vis_info_entry); - if (MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry) - < packet->entries + 1) + if (num < packet->entries + 1) return true; return false; } @@ -614,31 +567,33 @@ static bool vis_packet_full(const struct vis_info *info) /* generates a packet of own vis data, * returns 0 on success, -1 if no packet could be generated */ -static int generate_vis_packet(struct bat_priv *bat_priv) +static int batadv_generate_vis_packet(struct batadv_priv *bat_priv) { - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; - struct neigh_node *router; - struct vis_info *info = bat_priv->my_vis_info; - struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data; - struct vis_info_entry *entry; - struct tt_common_entry *tt_common_entry; + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *router; + struct batadv_vis_info *info = bat_priv->my_vis_info; + struct batadv_vis_packet *packet; + struct batadv_vis_info_entry *entry; + struct batadv_tt_common_entry *tt_common_entry; int best_tq = -1; uint32_t i; info->first_seen = jiffies; + packet = (struct batadv_vis_packet *)info->skb_packet->data; packet->vis_type = atomic_read(&bat_priv->vis_mode); memcpy(packet->target_orig, batadv_broadcast_addr, ETH_ALEN); - packet->header.ttl = TTL; + packet->header.ttl = BATADV_TTL; packet->seqno = htonl(ntohl(packet->seqno) + 1); packet->entries = 0; + packet->reserved = 0; skb_trim(info->skb_packet, sizeof(*packet)); - if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) { - best_tq = find_best_vis_server(bat_priv, info); + if (packet->vis_type == BATADV_VIS_TYPE_CLIENT_UPDATE) { + best_tq = batadv_find_best_vis_server(bat_priv, info); if (best_tq < 0) return best_tq; @@ -656,14 +611,14 @@ static int generate_vis_packet(struct bat_priv *bat_priv) if (!batadv_compare_eth(router->addr, orig_node->orig)) goto next; - if (router->if_incoming->if_status != IF_ACTIVE) + if (router->if_incoming->if_status != BATADV_IF_ACTIVE) goto next; if (router->tq_avg < 1) goto next; /* fill one entry into buffer. */ - entry = (struct vis_info_entry *) + entry = (struct batadv_vis_info_entry *) skb_put(info->skb_packet, sizeof(*entry)); memcpy(entry->src, router->if_incoming->net_dev->dev_addr, @@ -675,7 +630,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv) next: batadv_neigh_node_free_ref(router); - if (vis_packet_full(info)) + if (batadv_vis_packet_full(info)) goto unlock; } rcu_read_unlock(); @@ -689,7 +644,7 @@ next: rcu_read_lock(); hlist_for_each_entry_rcu(tt_common_entry, node, head, hash_entry) { - entry = (struct vis_info_entry *) + entry = (struct batadv_vis_info_entry *) skb_put(info->skb_packet, sizeof(*entry)); memset(entry->src, 0, ETH_ALEN); @@ -697,7 +652,7 @@ next: entry->quality = 0; /* 0 means TT */ packet->entries++; - if (vis_packet_full(info)) + if (batadv_vis_packet_full(info)) goto unlock; } rcu_read_unlock(); @@ -713,13 +668,13 @@ unlock: /* free old vis packets. Must be called with this vis_hash_lock * held */ -static void purge_vis_packets(struct bat_priv *bat_priv) +static void batadv_purge_vis_packets(struct batadv_priv *bat_priv) { uint32_t i; - struct hashtable_t *hash = bat_priv->vis_hash; + struct batadv_hashtable *hash = bat_priv->vis_hash; struct hlist_node *node, *node_tmp; struct hlist_head *head; - struct vis_info *info; + struct batadv_vis_info *info; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -731,31 +686,31 @@ static void purge_vis_packets(struct bat_priv *bat_priv) continue; if (batadv_has_timed_out(info->first_seen, - VIS_TIMEOUT)) { + BATADV_VIS_TIMEOUT)) { hlist_del(node); - send_list_del(info); - kref_put(&info->refcount, free_info); + batadv_send_list_del(info); + kref_put(&info->refcount, batadv_free_info); } } } } -static void broadcast_vis_packet(struct bat_priv *bat_priv, - struct vis_info *info) +static void batadv_broadcast_vis_packet(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct neigh_node *router; - struct hashtable_t *hash = bat_priv->orig_hash; + struct batadv_neigh_node *router; + struct batadv_hashtable *hash = bat_priv->orig_hash; struct hlist_node *node; struct hlist_head *head; - struct orig_node *orig_node; - struct vis_packet *packet; + struct batadv_orig_node *orig_node; + struct batadv_vis_packet *packet; struct sk_buff *skb; - struct hard_iface *hard_iface; + struct batadv_hard_iface *hard_iface; uint8_t dstaddr[ETH_ALEN]; uint32_t i; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; /* send to all routers in range. */ for (i = 0; i < hash->size; i++) { @@ -764,7 +719,7 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv, rcu_read_lock(); hlist_for_each_entry_rcu(orig_node, node, head, hash_entry) { /* if it's a vis server and reachable, send it. */ - if (!(orig_node->flags & VIS_SERVER)) + if (!(orig_node->flags & BATADV_VIS_SERVER)) continue; router = batadv_orig_node_get_router(orig_node); @@ -774,8 +729,8 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv, /* don't send it if we already received the packet from * this node. */ - if (recv_list_is_in(bat_priv, &info->recv_list, - orig_node->orig)) { + if (batadv_recv_list_is_in(bat_priv, &info->recv_list, + orig_node->orig)) { batadv_neigh_node_free_ref(router); continue; } @@ -796,15 +751,15 @@ static void broadcast_vis_packet(struct bat_priv *bat_priv, } } -static void unicast_vis_packet(struct bat_priv *bat_priv, - struct vis_info *info) +static void batadv_unicast_vis_packet(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct orig_node *orig_node; - struct neigh_node *router = NULL; + struct batadv_orig_node *orig_node; + struct batadv_neigh_node *router = NULL; struct sk_buff *skb; - struct vis_packet *packet; + struct batadv_vis_packet *packet; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; orig_node = batadv_orig_hash_find(bat_priv, packet->target_orig); if (!orig_node) @@ -825,17 +780,18 @@ out: batadv_orig_node_free_ref(orig_node); } -/* only send one vis packet. called from send_vis_packets() */ -static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info) +/* only send one vis packet. called from batadv_send_vis_packets() */ +static void batadv_send_vis_packet(struct batadv_priv *bat_priv, + struct batadv_vis_info *info) { - struct hard_iface *primary_if; - struct vis_packet *packet; + struct batadv_hard_iface *primary_if; + struct batadv_vis_packet *packet; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; - packet = (struct vis_packet *)info->skb_packet->data; + packet = (struct batadv_vis_packet *)info->skb_packet->data; if (packet->header.ttl < 2) { pr_debug("Error - can't send vis packet: ttl exceeded\n"); goto out; @@ -845,9 +801,9 @@ static void send_vis_packet(struct bat_priv *bat_priv, struct vis_info *info) packet->header.ttl--; if (is_broadcast_ether_addr(packet->target_orig)) - broadcast_vis_packet(bat_priv, info); + batadv_broadcast_vis_packet(bat_priv, info); else - unicast_vis_packet(bat_priv, info); + batadv_unicast_vis_packet(bat_priv, info); packet->header.ttl++; /* restore TTL */ out: @@ -856,20 +812,20 @@ out: } /* called from timer; send (and maybe generate) vis packet. */ -static void send_vis_packets(struct work_struct *work) +static void batadv_send_vis_packets(struct work_struct *work) { struct delayed_work *delayed_work = container_of(work, struct delayed_work, work); - struct bat_priv *bat_priv = - container_of(delayed_work, struct bat_priv, vis_work); - struct vis_info *info; + struct batadv_priv *bat_priv; + struct batadv_vis_info *info; + bat_priv = container_of(delayed_work, struct batadv_priv, vis_work); spin_lock_bh(&bat_priv->vis_hash_lock); - purge_vis_packets(bat_priv); + batadv_purge_vis_packets(bat_priv); - if (generate_vis_packet(bat_priv) == 0) { + if (batadv_generate_vis_packet(bat_priv) == 0) { /* schedule if generation was successful */ - send_list_add(bat_priv, bat_priv->my_vis_info); + batadv_send_list_add(bat_priv, bat_priv->my_vis_info); } while (!list_empty(&bat_priv->vis_send_list)) { @@ -879,23 +835,26 @@ static void send_vis_packets(struct work_struct *work) kref_get(&info->refcount); spin_unlock_bh(&bat_priv->vis_hash_lock); - send_vis_packet(bat_priv, info); + batadv_send_vis_packet(bat_priv, info); spin_lock_bh(&bat_priv->vis_hash_lock); - send_list_del(info); - kref_put(&info->refcount, free_info); + batadv_send_list_del(info); + kref_put(&info->refcount, batadv_free_info); } spin_unlock_bh(&bat_priv->vis_hash_lock); - start_vis_timer(bat_priv); + batadv_start_vis_timer(bat_priv); } /* init the vis server. this may only be called when if_list is already * initialized (e.g. bat0 is initialized, interfaces have been added) */ -int batadv_vis_init(struct bat_priv *bat_priv) +int batadv_vis_init(struct batadv_priv *bat_priv) { - struct vis_packet *packet; + struct batadv_vis_packet *packet; int hash_added; + unsigned int len; + unsigned long first_seen; + struct sk_buff *tmp_skb; if (bat_priv->vis_hash) return 0; @@ -908,47 +867,48 @@ int batadv_vis_init(struct bat_priv *bat_priv) goto err; } - bat_priv->my_vis_info = kmalloc(MAX_VIS_PACKET_SIZE, GFP_ATOMIC); + bat_priv->my_vis_info = kmalloc(BATADV_MAX_VIS_PACKET_SIZE, GFP_ATOMIC); if (!bat_priv->my_vis_info) goto err; - bat_priv->my_vis_info->skb_packet = dev_alloc_skb(sizeof(*packet) + - MAX_VIS_PACKET_SIZE + - ETH_HLEN); + len = sizeof(*packet) + BATADV_MAX_VIS_PACKET_SIZE + ETH_HLEN; + bat_priv->my_vis_info->skb_packet = dev_alloc_skb(len); if (!bat_priv->my_vis_info->skb_packet) goto free_info; skb_reserve(bat_priv->my_vis_info->skb_packet, ETH_HLEN); - packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet, - sizeof(*packet)); + tmp_skb = bat_priv->my_vis_info->skb_packet; + packet = (struct batadv_vis_packet *)skb_put(tmp_skb, sizeof(*packet)); /* prefill the vis info */ - bat_priv->my_vis_info->first_seen = jiffies - - msecs_to_jiffies(VIS_INTERVAL); + first_seen = jiffies - msecs_to_jiffies(BATADV_VIS_INTERVAL); + bat_priv->my_vis_info->first_seen = first_seen; INIT_LIST_HEAD(&bat_priv->my_vis_info->recv_list); INIT_LIST_HEAD(&bat_priv->my_vis_info->send_list); kref_init(&bat_priv->my_vis_info->refcount); bat_priv->my_vis_info->bat_priv = bat_priv; - packet->header.version = COMPAT_VERSION; - packet->header.packet_type = BAT_VIS; - packet->header.ttl = TTL; + packet->header.version = BATADV_COMPAT_VERSION; + packet->header.packet_type = BATADV_VIS; + packet->header.ttl = BATADV_TTL; packet->seqno = 0; + packet->reserved = 0; packet->entries = 0; INIT_LIST_HEAD(&bat_priv->vis_send_list); - hash_added = batadv_hash_add(bat_priv->vis_hash, vis_info_cmp, - vis_info_choose, bat_priv->my_vis_info, + hash_added = batadv_hash_add(bat_priv->vis_hash, batadv_vis_info_cmp, + batadv_vis_info_choose, + bat_priv->my_vis_info, &bat_priv->my_vis_info->hash_entry); if (hash_added != 0) { pr_err("Can't add own vis packet into hash\n"); /* not in hash, need to remove it manually. */ - kref_put(&bat_priv->my_vis_info->refcount, free_info); + kref_put(&bat_priv->my_vis_info->refcount, batadv_free_info); goto err; } spin_unlock_bh(&bat_priv->vis_hash_lock); - start_vis_timer(bat_priv); + batadv_start_vis_timer(bat_priv); return 0; free_info: @@ -961,17 +921,17 @@ err: } /* Decrease the reference count on a hash item info */ -static void free_info_ref(struct hlist_node *node, void *arg) +static void batadv_free_info_ref(struct hlist_node *node, void *arg) { - struct vis_info *info; + struct batadv_vis_info *info; - info = container_of(node, struct vis_info, hash_entry); - send_list_del(info); - kref_put(&info->refcount, free_info); + info = container_of(node, struct batadv_vis_info, hash_entry); + batadv_send_list_del(info); + kref_put(&info->refcount, batadv_free_info); } /* shutdown vis-server */ -void batadv_vis_quit(struct bat_priv *bat_priv) +void batadv_vis_quit(struct batadv_priv *bat_priv) { if (!bat_priv->vis_hash) return; @@ -980,16 +940,16 @@ void batadv_vis_quit(struct bat_priv *bat_priv) spin_lock_bh(&bat_priv->vis_hash_lock); /* properly remove, kill timers ... */ - batadv_hash_delete(bat_priv->vis_hash, free_info_ref, NULL); + batadv_hash_delete(bat_priv->vis_hash, batadv_free_info_ref, NULL); bat_priv->vis_hash = NULL; bat_priv->my_vis_info = NULL; spin_unlock_bh(&bat_priv->vis_hash_lock); } /* schedule packets for (re)transmission */ -static void start_vis_timer(struct bat_priv *bat_priv) +static void batadv_start_vis_timer(struct batadv_priv *bat_priv) { - INIT_DELAYED_WORK(&bat_priv->vis_work, send_vis_packets); + INIT_DELAYED_WORK(&bat_priv->vis_work, batadv_send_vis_packets); queue_delayed_work(batadv_event_workqueue, &bat_priv->vis_work, - msecs_to_jiffies(VIS_INTERVAL)); + msecs_to_jiffies(BATADV_VIS_INTERVAL)); } diff --git a/net/batman-adv/vis.h b/net/batman-adv/vis.h index dad5958..84e716e 100644 --- a/net/batman-adv/vis.h +++ b/net/batman-adv/vis.h @@ -21,16 +21,16 @@ #define _NET_BATMAN_ADV_VIS_H_ /* timeout of vis packets in miliseconds */ -#define VIS_TIMEOUT 200000 +#define BATADV_VIS_TIMEOUT 200000 int batadv_vis_seq_print_text(struct seq_file *seq, void *offset); -void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, +void batadv_receive_server_sync_packet(struct batadv_priv *bat_priv, + struct batadv_vis_packet *vis_packet, int vis_info_len); -void batadv_receive_client_update_packet(struct bat_priv *bat_priv, - struct vis_packet *vis_packet, +void batadv_receive_client_update_packet(struct batadv_priv *bat_priv, + struct batadv_vis_packet *vis_packet, int vis_info_len); -int batadv_vis_init(struct bat_priv *bat_priv); -void batadv_vis_quit(struct bat_priv *bat_priv); +int batadv_vis_init(struct batadv_priv *bat_priv); +void batadv_vis_quit(struct batadv_priv *bat_priv); #endif /* _NET_BATMAN_ADV_VIS_H_ */ diff --git a/net/bluetooth/hidp/Kconfig b/net/bluetooth/hidp/Kconfig index 4deaca7..9332bc7 100644 --- a/net/bluetooth/hidp/Kconfig +++ b/net/bluetooth/hidp/Kconfig @@ -1,6 +1,6 @@ config BT_HIDP tristate "HIDP protocol support" - depends on BT && INPUT && HID_SUPPORT + depends on BT && INPUT select HID help HIDP (Human Interface Device Protocol) is a transport layer diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 0a942fb..e1144e1 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -240,6 +240,7 @@ int br_add_bridge(struct net *net, const char *name) return -ENOMEM; dev_net_set(dev, net); + dev->rtnl_link_ops = &br_link_ops; res = register_netdev(dev); if (res) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 20fa719..b98d3d7 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -120,7 +120,9 @@ static u32 *fake_cow_metrics(struct dst_entry *dst, unsigned long old) return NULL; } -static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, const void *daddr) +static struct neighbour *fake_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr) { return NULL; } @@ -373,19 +375,29 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb) if (!skb->dev) goto free_skb; dst = skb_dst(skb); - neigh = dst_get_neighbour_noref(dst); - if (neigh->hh.hh_len) { - neigh_hh_bridge(&neigh->hh, skb); - skb->dev = nf_bridge->physindev; - return br_handle_frame_finish(skb); - } else { - /* the neighbour function below overwrites the complete - * MAC header, so we save the Ethernet source address and - * protocol number. */ - skb_copy_from_linear_data_offset(skb, -(ETH_HLEN-ETH_ALEN), skb->nf_bridge->data, ETH_HLEN-ETH_ALEN); - /* tell br_dev_xmit to continue with forwarding */ - nf_bridge->mask |= BRNF_BRIDGED_DNAT; - return neigh->output(neigh, skb); + neigh = dst_neigh_lookup_skb(dst, skb); + if (neigh) { + int ret; + + if (neigh->hh.hh_len) { + neigh_hh_bridge(&neigh->hh, skb); + skb->dev = nf_bridge->physindev; + ret = br_handle_frame_finish(skb); + } else { + /* the neighbour function below overwrites the complete + * MAC header, so we save the Ethernet source address and + * protocol number. + */ + skb_copy_from_linear_data_offset(skb, + -(ETH_HLEN-ETH_ALEN), + skb->nf_bridge->data, + ETH_HLEN-ETH_ALEN); + /* tell br_dev_xmit to continue with forwarding */ + nf_bridge->mask |= BRNF_BRIDGED_DNAT; + ret = neigh->output(neigh, skb); + } + neigh_release(neigh); + return ret; } free_skb: kfree_skb(skb); diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 2080485..fe41260 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -208,7 +208,7 @@ static int br_validate(struct nlattr *tb[], struct nlattr *data[]) return 0; } -static struct rtnl_link_ops br_link_ops __read_mostly = { +struct rtnl_link_ops br_link_ops __read_mostly = { .kind = "bridge", .priv_size = sizeof(struct net_bridge), .setup = br_dev_setup, diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 1a8ad4f..a768b24 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -549,6 +549,7 @@ extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr) #endif /* br_netlink.c */ +extern struct rtnl_link_ops br_link_ops; extern int br_netlink_init(void); extern void br_netlink_fini(void); extern void br_ifinfo_notify(int event, struct net_bridge_port *port); diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c index 1bd1732..1906347 100644 --- a/net/bridge/netfilter/ebt_ulog.c +++ b/net/bridge/netfilter/ebt_ulog.c @@ -156,7 +156,7 @@ static void ebt_ulog_packet(unsigned int hooknr, const struct sk_buff *skb, nlh = nlmsg_put(ub->skb, 0, ub->qlen, 0, size - NLMSG_ALIGN(sizeof(*nlh)), 0); if (!nlh) { - kfree(ub->skb); + kfree_skb(ub->skb); ub->skb = NULL; goto unlock; } @@ -282,6 +282,9 @@ static int __init ebt_ulog_init(void) { int ret; int i; + struct netlink_kernel_cfg cfg = { + .groups = EBT_ULOG_MAXNLGROUPS, + }; if (nlbufsiz >= 128*1024) { pr_warning("Netlink buffer has to be <= 128kB," @@ -296,8 +299,7 @@ static int __init ebt_ulog_init(void) } ebtulognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, - EBT_ULOG_MAXNLGROUPS, NULL, NULL, - THIS_MODULE); + THIS_MODULE, &cfg); if (!ebtulognl) ret = -ENOMEM; else if ((ret = xt_register_target(&ebt_ulog_tg_reg)) != 0) diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index fb89443..78f1cda 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -220,6 +220,7 @@ static void caif_ctrl_cb(struct cflayer *layr, cfsk_hold, cfsk_put); cf_sk->sk.sk_state = CAIF_CONNECTED; set_tx_flow_on(cf_sk); + cf_sk->sk.sk_shutdown = 0; cf_sk->sk.sk_state_change(&cf_sk->sk); break; diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c index a776f75..ba4323b 100644 --- a/net/ceph/ceph_common.c +++ b/net/ceph/ceph_common.c @@ -504,13 +504,6 @@ void ceph_destroy_client(struct ceph_client *client) /* unmount */ ceph_osdc_stop(&client->osdc); - /* - * make sure osd connections close out before destroying the - * auth module, which is needed to free those connections' - * ceph_authorizers. - */ - ceph_msgr_flush(); - ceph_monc_stop(&client->monc); ceph_debugfs_client_cleanup(client); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 524f4e4..b332c3d 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -563,6 +563,10 @@ static void prepare_write_message(struct ceph_connection *con) m->hdr.seq = cpu_to_le64(++con->out_seq); m->needs_out_seq = false; } +#ifdef CONFIG_BLOCK + else + m->bio_iter = NULL; +#endif dout("prepare_write_message %p seq %lld type %d len %d+%d+%d %d pgs\n", m, con->out_seq, le16_to_cpu(m->hdr.type), diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index 10d6008..d0649a9 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -847,6 +847,14 @@ void ceph_monc_stop(struct ceph_mon_client *monc) mutex_unlock(&monc->mutex); + /* + * flush msgr queue before we destroy ourselves to ensure that: + * - any work that references our embedded con is finished. + * - any osd_client or other work that may reference an authorizer + * finishes before we shut down the auth subsystem. + */ + ceph_msgr_flush(); + ceph_auth_destroy(monc->auth); ceph_msg_put(monc->m_auth); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 1ffebed..ca59e66 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -139,15 +139,15 @@ void ceph_osdc_release_request(struct kref *kref) if (req->r_request) ceph_msg_put(req->r_request); - if (req->r_reply) - ceph_msg_put(req->r_reply); if (req->r_con_filling_msg) { dout("release_request revoking pages %p from con %p\n", req->r_pages, req->r_con_filling_msg); ceph_con_revoke_message(req->r_con_filling_msg, req->r_reply); - ceph_con_put(req->r_con_filling_msg); + req->r_con_filling_msg->ops->put(req->r_con_filling_msg); } + if (req->r_reply) + ceph_msg_put(req->r_reply); if (req->r_own_pages) ceph_release_page_vector(req->r_pages, req->r_num_pages); @@ -1216,7 +1216,7 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg, if (req->r_con_filling_msg == con && req->r_reply == msg) { dout(" dropping con_filling_msg ref %p\n", con); req->r_con_filling_msg = NULL; - ceph_con_put(con); + con->ops->put(con); } if (!req->r_got_reply) { @@ -2028,7 +2028,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, dout("get_reply revoking msg %p from old con %p\n", req->r_reply, req->r_con_filling_msg); ceph_con_revoke_message(req->r_con_filling_msg, req->r_reply); - ceph_con_put(req->r_con_filling_msg); + req->r_con_filling_msg->ops->put(req->r_con_filling_msg); req->r_con_filling_msg = NULL; } @@ -2063,7 +2063,7 @@ static struct ceph_msg *get_reply(struct ceph_connection *con, #endif } *skip = 0; - req->r_con_filling_msg = ceph_con_get(con); + req->r_con_filling_msg = con->ops->get(con); dout("get_reply tid %lld %p\n", tid, m); out: diff --git a/net/core/datagram.c b/net/core/datagram.c index ae6acf6..0337e2b 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -248,7 +248,6 @@ void skb_free_datagram_locked(struct sock *sk, struct sk_buff *skb) unlock_sock_fast(sk, slow); /* skb is now orphaned, can be freed outside of locked section */ - trace_kfree_skb(skb, skb_free_datagram_locked); __kfree_skb(skb); } EXPORT_SYMBOL(skb_free_datagram_locked); diff --git a/net/core/dev.c b/net/core/dev.c index 57c4f9b..69f7a1a 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1136,8 +1136,8 @@ void dev_load(struct net *net, const char *name) no_module = request_module("netdev-%s", name); if (no_module && capable(CAP_SYS_MODULE)) { if (!request_module("%s", name)) - pr_err("Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s instead.\n", - name); + pr_warn("Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s instead.\n", + name); } } EXPORT_SYMBOL(dev_load); @@ -1793,6 +1793,17 @@ int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq) EXPORT_SYMBOL(netif_set_real_num_rx_queues); #endif +/* netif_get_num_default_rss_queues - default number of RSS queues + * + * This routine should set an upper limit on the number of RSS queues + * used by default by multiqueue devices. + */ +int netif_get_num_default_rss_queues() +{ + return min_t(int, DEFAULT_MAX_NUM_RSS_QUEUES, num_online_cpus()); +} +EXPORT_SYMBOL(netif_get_num_default_rss_queues); + static inline void __netif_reschedule(struct Qdisc *q) { struct softnet_data *sd; diff --git a/net/core/dst.c b/net/core/dst.c index 43d94ce..07bacff 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -152,7 +152,7 @@ EXPORT_SYMBOL(dst_discard); const u32 dst_default_metrics[RTAX_MAX]; void *dst_alloc(struct dst_ops *ops, struct net_device *dev, - int initial_ref, int initial_obsolete, int flags) + int initial_ref, int initial_obsolete, unsigned short flags) { struct dst_entry *dst; @@ -171,7 +171,6 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev, dst_init_metrics(dst, dst_default_metrics, true); dst->expires = 0UL; dst->path = dst; - RCU_INIT_POINTER(dst->_neighbour, NULL); #ifdef CONFIG_XFRM dst->xfrm = NULL; #endif @@ -188,6 +187,7 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev, dst->__use = 0; dst->lastuse = jiffies; dst->flags = flags; + dst->pending_confirm = 0; dst->next = NULL; if (!(flags & DST_NOCOUNT)) dst_entries_add(ops, 1); @@ -224,19 +224,12 @@ EXPORT_SYMBOL(__dst_free); struct dst_entry *dst_destroy(struct dst_entry * dst) { struct dst_entry *child; - struct neighbour *neigh; smp_rmb(); again: - neigh = rcu_dereference_protected(dst->_neighbour, 1); child = dst->child; - if (neigh) { - RCU_INIT_POINTER(dst->_neighbour, NULL); - neigh_release(neigh); - } - if (!(dst->flags & DST_NOCOUNT)) dst_entries_add(dst->ops, -1); @@ -360,19 +353,9 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev, if (!unregister) { dst->input = dst->output = dst_discard; } else { - struct neighbour *neigh; - dst->dev = dev_net(dst->dev)->loopback_dev; dev_hold(dst->dev); dev_put(dev); - rcu_read_lock(); - neigh = dst_get_neighbour_noref(dst); - if (neigh && neigh->dev == dev) { - neigh->dev = dst->dev; - dev_hold(dst->dev); - dev_put(dev); - } - rcu_read_unlock(); } } diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 72cceb7..ab7db83 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -151,6 +151,8 @@ static void fib_rules_cleanup_ops(struct fib_rules_ops *ops) list_for_each_entry_safe(rule, tmp, &ops->rules_list, list) { list_del_rcu(&rule->list); + if (ops->delete) + ops->delete(rule); fib_rule_put(rule); } } @@ -499,6 +501,8 @@ static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) notify_rule_change(RTM_DELRULE, rule, ops, nlh, NETLINK_CB(skb).pid); + if (ops->delete) + ops->delete(rule); fib_rule_put(rule); flush_route_cache(ops); rules_ops_put(ops); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index d81d026..117afaf 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -474,8 +474,8 @@ struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net, } EXPORT_SYMBOL(neigh_lookup_nodev); -struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey, - struct net_device *dev) +struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey, + struct net_device *dev, bool want_ref) { u32 hash_val; int key_len = tbl->key_len; @@ -535,14 +535,16 @@ struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey, n1 = rcu_dereference_protected(n1->next, lockdep_is_held(&tbl->lock))) { if (dev == n1->dev && !memcmp(n1->primary_key, pkey, key_len)) { - neigh_hold(n1); + if (want_ref) + neigh_hold(n1); rc = n1; goto out_tbl_unlock; } } n->dead = 0; - neigh_hold(n); + if (want_ref) + neigh_hold(n); rcu_assign_pointer(n->next, rcu_dereference_protected(nht->hash_buckets[hash_val], lockdep_is_held(&tbl->lock))); @@ -558,7 +560,7 @@ out_neigh_release: neigh_release(n); goto out; } -EXPORT_SYMBOL(neigh_create); +EXPORT_SYMBOL(__neigh_create); static u32 pneigh_hash(const void *pkey, int key_len) { @@ -1199,10 +1201,23 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new, write_unlock_bh(&neigh->lock); rcu_read_lock(); - /* On shaper/eql skb->dst->neighbour != neigh :( */ - if (dst && (n2 = dst_get_neighbour_noref(dst)) != NULL) - n1 = n2; + + /* Why not just use 'neigh' as-is? The problem is that + * things such as shaper, eql, and sch_teql can end up + * using alternative, different, neigh objects to output + * the packet in the output path. So what we need to do + * here is re-lookup the top-level neigh in the path so + * we can reinject the packet there. + */ + n2 = NULL; + if (dst) { + n2 = dst_neigh_lookup_skb(dst, skb); + if (n2) + n1 = n2; + } n1->output(n1, skb); + if (n2) + neigh_release(n2); rcu_read_unlock(); write_lock_bh(&neigh->lock); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 21318d1..2b325c3 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -541,19 +541,6 @@ static const int rta_max[RTM_NR_FAMILIES] = [RTM_FAM(RTM_NEWACTION)] = TCAA_MAX, }; -void __rta_fill(struct sk_buff *skb, int attrtype, int attrlen, const void *data) -{ - struct rtattr *rta; - int size = RTA_LENGTH(attrlen); - - rta = (struct rtattr *)skb_put(skb, RTA_ALIGN(size)); - rta->rta_type = attrtype; - rta->rta_len = size; - memcpy(RTA_DATA(rta), data, attrlen); - memset(RTA_DATA(rta) + attrlen, 0, RTA_ALIGN(size) - size); -} -EXPORT_SYMBOL(__rta_fill); - int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned int group, int echo) { struct sock *rtnl = net->rtnl; @@ -2366,8 +2353,13 @@ static struct notifier_block rtnetlink_dev_notifier = { static int __net_init rtnetlink_net_init(struct net *net) { struct sock *sk; - sk = netlink_kernel_create(net, NETLINK_ROUTE, RTNLGRP_MAX, - rtnetlink_rcv, &rtnl_mutex, THIS_MODULE); + struct netlink_kernel_cfg cfg = { + .groups = RTNLGRP_MAX, + .input = rtnetlink_rcv, + .cb_mutex = &rtnl_mutex, + }; + + sk = netlink_kernel_create(net, NETLINK_ROUTE, THIS_MODULE, &cfg); if (!sk) return -ENOMEM; net->rtnl = sk; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 5b21522..5a789a8 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1755,6 +1755,7 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset, struct splice_pipe_desc spd = { .pages = pages, .partial = partial, + .nr_pages_max = MAX_SKB_FRAGS, .flags = flags, .ops = &sock_pipe_buf_ops, .spd_release = sock_spd_release, diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c index 0d934ce..07a29eb 100644 --- a/net/core/sock_diag.c +++ b/net/core/sock_diag.c @@ -4,7 +4,6 @@ #include <net/netlink.h> #include <net/net_namespace.h> #include <linux/module.h> -#include <linux/rtnetlink.h> #include <net/sock.h> #include <linux/inet_diag.h> @@ -35,9 +34,7 @@ EXPORT_SYMBOL_GPL(sock_diag_save_cookie); int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attrtype) { - __u32 *mem; - - mem = RTA_DATA(__RTA_PUT(skb, attrtype, SK_MEMINFO_VARS * sizeof(__u32))); + u32 mem[SK_MEMINFO_VARS]; mem[SK_MEMINFO_RMEM_ALLOC] = sk_rmem_alloc_get(sk); mem[SK_MEMINFO_RCVBUF] = sk->sk_rcvbuf; @@ -48,10 +45,7 @@ int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attrtype) mem[SK_MEMINFO_OPTMEM] = atomic_read(&sk->sk_omem_alloc); mem[SK_MEMINFO_BACKLOG] = sk->sk_backlog.len; - return 0; - -rtattr_failure: - return -EMSGSIZE; + return nla_put(skb, attrtype, sizeof(mem), &mem); } EXPORT_SYMBOL_GPL(sock_diag_put_meminfo); @@ -121,7 +115,7 @@ static inline void sock_diag_unlock_handler(const struct sock_diag_handler *h) static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) { int err; - struct sock_diag_req *req = NLMSG_DATA(nlh); + struct sock_diag_req *req = nlmsg_data(nlh); const struct sock_diag_handler *hndl; if (nlmsg_len(nlh) < sizeof(*req)) @@ -177,8 +171,12 @@ EXPORT_SYMBOL_GPL(sock_diag_nlsk); static int __init sock_diag_init(void) { - sock_diag_nlsk = netlink_kernel_create(&init_net, NETLINK_SOCK_DIAG, 0, - sock_diag_rcv, NULL, THIS_MODULE); + struct netlink_kernel_cfg cfg = { + .input = sock_diag_rcv, + }; + + sock_diag_nlsk = netlink_kernel_create(&init_net, NETLINK_SOCK_DIAG, + THIS_MODULE, &cfg); return sock_diag_nlsk == NULL ? -ENOMEM : 0; } diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 9991be0..02162cf 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -239,7 +239,6 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req, struct inet6_request_sock *ireq6 = inet6_rsk(req); struct ipv6_pinfo *np = inet6_sk(sk); struct sk_buff *skb; - struct ipv6_txoptions *opt = NULL; struct in6_addr *final_p, final; struct flowi6 fl6; int err = -1; @@ -255,9 +254,8 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req, fl6.fl6_sport = inet_rsk(req)->loc_port; security_req_classify_flow(req, flowi6_to_flowi(&fl6)); - opt = np->opt; - final_p = fl6_update_dst(&fl6, opt, &final); + final_p = fl6_update_dst(&fl6, np->opt, &final); dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); if (IS_ERR(dst)) { @@ -274,13 +272,11 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req, &ireq6->loc_addr, &ireq6->rmt_addr); fl6.daddr = ireq6->rmt_addr; - err = ip6_xmit(sk, skb, &fl6, opt, np->tclass); + err = ip6_xmit(sk, skb, &fl6, np->opt, np->tclass); err = net_xmit_eval(err); } done: - if (opt != NULL && opt != np->opt) - sock_kfree_s(sk, opt, opt->tot_len); dst_release(dst); return err; } @@ -475,7 +471,6 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, struct inet_sock *newinet; struct dccp6_sock *newdp6; struct sock *newsk; - struct ipv6_txoptions *opt; if (skb->protocol == htons(ETH_P_IP)) { /* @@ -520,7 +515,6 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, return newsk; } - opt = np->opt; if (sk_acceptq_is_full(sk)) goto out_overflow; @@ -532,7 +526,7 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_proto = IPPROTO_DCCP; fl6.daddr = ireq6->rmt_addr; - final_p = fl6_update_dst(&fl6, opt, &final); + final_p = fl6_update_dst(&fl6, np->opt, &final); fl6.saddr = ireq6->loc_addr; fl6.flowi6_oif = sk->sk_bound_dev_if; fl6.fl6_dport = inet_rsk(req)->rmt_port; @@ -597,11 +591,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, * Yes, keeping reference count would be much more clever, but we make * one more one thing there: reattach optmem to newsk. */ - if (opt != NULL) { - newnp->opt = ipv6_dup_options(newsk, opt); - if (opt != np->opt) - sock_kfree_s(sk, opt, opt->tot_len); - } + if (np->opt != NULL) + newnp->opt = ipv6_dup_options(newsk, np->opt); inet_csk(newsk)->icsk_ext_hdr_len = 0; if (newnp->opt != NULL) @@ -627,8 +618,6 @@ out_nonewsk: dst_release(dst); out: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); - if (opt != NULL && opt != np->opt) - sock_kfree_s(sk, opt, opt->tot_len); return NULL; } diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c index 7eaf987..102d610 100644 --- a/net/decnet/dn_fib.c +++ b/net/decnet/dn_fib.c @@ -505,6 +505,14 @@ static int dn_fib_check_attr(struct rtmsg *r, struct rtattr **rta) return 0; } +static inline u32 rtm_get_table(struct rtattr **rta, u8 table) +{ + if (rta[RTA_TABLE - 1]) + table = nla_get_u32((struct nlattr *) rta[RTA_TABLE - 1]); + + return table; +} + static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { struct net *net = sock_net(skb->sk); diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c index 8e9a35b..3aede1b 100644 --- a/net/decnet/dn_neigh.c +++ b/net/decnet/dn_neigh.c @@ -202,7 +202,7 @@ static int dn_neigh_output_packet(struct sk_buff *skb) { struct dst_entry *dst = skb_dst(skb); struct dn_route *rt = (struct dn_route *)dst; - struct neighbour *neigh = dst_get_neighbour_noref(dst); + struct neighbour *neigh = rt->n; struct net_device *dev = neigh->dev; char mac_addr[ETH_ALEN]; unsigned int seq; diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index cd584f7..6e74b3f 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -114,10 +114,13 @@ static struct dst_entry *dn_dst_check(struct dst_entry *, __u32); static unsigned int dn_dst_default_advmss(const struct dst_entry *dst); static unsigned int dn_dst_mtu(const struct dst_entry *dst); static void dn_dst_destroy(struct dst_entry *); +static void dn_dst_ifdown(struct dst_entry *, struct net_device *dev, int how); static struct dst_entry *dn_dst_negative_advice(struct dst_entry *); static void dn_dst_link_failure(struct sk_buff *); static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu); -static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr); +static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr); static int dn_route_input(struct sk_buff *); static void dn_run_flush(unsigned long dummy); @@ -138,6 +141,7 @@ static struct dst_ops dn_dst_ops = { .mtu = dn_dst_mtu, .cow_metrics = dst_cow_metrics_generic, .destroy = dn_dst_destroy, + .ifdown = dn_dst_ifdown, .negative_advice = dn_dst_negative_advice, .link_failure = dn_dst_link_failure, .update_pmtu = dn_dst_update_pmtu, @@ -146,9 +150,27 @@ static struct dst_ops dn_dst_ops = { static void dn_dst_destroy(struct dst_entry *dst) { + struct dn_route *rt = (struct dn_route *) dst; + + if (rt->n) + neigh_release(rt->n); dst_destroy_metrics_generic(dst); } +static void dn_dst_ifdown(struct dst_entry *dst, struct net_device *dev, int how) +{ + if (how) { + struct dn_route *rt = (struct dn_route *) dst; + struct neighbour *n = rt->n; + + if (n && n->dev == dev) { + n->dev = dev_net(dev)->loopback_dev; + dev_hold(n->dev); + dev_put(dev); + } + } +} + static __inline__ unsigned int dn_hash(__le16 src, __le16 dst) { __u16 tmp = (__u16 __force)(src ^ dst); @@ -244,7 +266,8 @@ static int dn_dst_gc(struct dst_ops *ops) */ static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu) { - struct neighbour *n = dst_get_neighbour_noref(dst); + struct dn_route *rt = (struct dn_route *) dst; + struct neighbour *n = rt->n; u32 min_mtu = 230; struct dn_dev *dn; @@ -713,7 +736,8 @@ out: static int dn_to_neigh_output(struct sk_buff *skb) { struct dst_entry *dst = skb_dst(skb); - struct neighbour *n = dst_get_neighbour_noref(dst); + struct dn_route *rt = (struct dn_route *) dst; + struct neighbour *n = rt->n; return n->output(n, skb); } @@ -727,7 +751,7 @@ static int dn_output(struct sk_buff *skb) int err = -EINVAL; - if (dst_get_neighbour_noref(dst) == NULL) + if (rt->n == NULL) goto error; skb->dev = dev; @@ -828,7 +852,9 @@ static unsigned int dn_dst_mtu(const struct dst_entry *dst) return mtu ? : dst->dev->mtu; } -static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, const void *daddr) +static struct neighbour *dn_dst_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr) { return __neigh_lookup_errno(&dn_neigh_table, daddr, dst->dev); } @@ -848,11 +874,11 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res) } rt->rt_type = res->type; - if (dev != NULL && dst_get_neighbour_noref(&rt->dst) == NULL) { + if (dev != NULL && rt->n == NULL) { n = __neigh_lookup_errno(&dn_neigh_table, &rt->rt_gateway, dev); if (IS_ERR(n)) return PTR_ERR(n); - dst_set_neighbour(&rt->dst, n); + rt->n = n; } if (dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu) @@ -1159,7 +1185,7 @@ make_route: rt->rt_dst_map = fld.daddr; rt->rt_src_map = fld.saddr; - dst_set_neighbour(&rt->dst, neigh); + rt->n = neigh; neigh = NULL; rt->dst.lastuse = jiffies; @@ -1429,7 +1455,7 @@ make_route: rt->fld.flowidn_iif = in_dev->ifindex; rt->fld.flowidn_mark = fld.flowidn_mark; - dst_set_neighbour(&rt->dst, neigh); + rt->n = neigh; rt->dst.lastuse = jiffies; rt->dst.output = dn_rt_bug; switch (res.type) { @@ -1515,56 +1541,68 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, struct dn_route *rt = (struct dn_route *)skb_dst(skb); struct rtmsg *r; struct nlmsghdr *nlh; - unsigned char *b = skb_tail_pointer(skb); long expires; nlh = nlmsg_put(skb, pid, seq, event, sizeof(*r), flags); if (!nlh) - goto out_nlmsg_trim; + return -EMSGSIZE; + r = nlmsg_data(nlh); r->rtm_family = AF_DECnet; r->rtm_dst_len = 16; r->rtm_src_len = 0; r->rtm_tos = 0; r->rtm_table = RT_TABLE_MAIN; - RTA_PUT_U32(skb, RTA_TABLE, RT_TABLE_MAIN); r->rtm_type = rt->rt_type; r->rtm_flags = (rt->rt_flags & ~0xFFFF) | RTM_F_CLONED; r->rtm_scope = RT_SCOPE_UNIVERSE; r->rtm_protocol = RTPROT_UNSPEC; + if (rt->rt_flags & RTCF_NOTIFY) r->rtm_flags |= RTM_F_NOTIFY; - RTA_PUT(skb, RTA_DST, 2, &rt->rt_daddr); + + if (nla_put_u32(skb, RTA_TABLE, RT_TABLE_MAIN) < 0 || + nla_put_le16(skb, RTA_DST, rt->rt_daddr) < 0) + goto errout; + if (rt->fld.saddr) { r->rtm_src_len = 16; - RTA_PUT(skb, RTA_SRC, 2, &rt->fld.saddr); + if (nla_put_le16(skb, RTA_SRC, rt->fld.saddr) < 0) + goto errout; } - if (rt->dst.dev) - RTA_PUT(skb, RTA_OIF, sizeof(int), &rt->dst.dev->ifindex); + if (rt->dst.dev && + nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex) < 0) + goto errout; + /* * Note to self - change this if input routes reverse direction when * they deal only with inputs and not with replies like they do * currently. */ - RTA_PUT(skb, RTA_PREFSRC, 2, &rt->rt_local_src); - if (rt->rt_daddr != rt->rt_gateway) - RTA_PUT(skb, RTA_GATEWAY, 2, &rt->rt_gateway); + if (nla_put_le16(skb, RTA_PREFSRC, rt->rt_local_src) < 0) + goto errout; + + if (rt->rt_daddr != rt->rt_gateway && + nla_put_le16(skb, RTA_GATEWAY, rt->rt_gateway) < 0) + goto errout; + if (rtnetlink_put_metrics(skb, dst_metrics_ptr(&rt->dst)) < 0) - goto rtattr_failure; + goto errout; + expires = rt->dst.expires ? rt->dst.expires - jiffies : 0; if (rtnl_put_cacheinfo(skb, &rt->dst, 0, 0, 0, expires, rt->dst.error) < 0) - goto rtattr_failure; - if (dn_is_input_route(rt)) - RTA_PUT(skb, RTA_IIF, sizeof(int), &rt->fld.flowidn_iif); + goto errout; - nlh->nlmsg_len = skb_tail_pointer(skb) - b; - return skb->len; + if (dn_is_input_route(rt) && + nla_put_u32(skb, RTA_IIF, rt->fld.flowidn_iif) < 0) + goto errout; -out_nlmsg_trim: -rtattr_failure: - nlmsg_trim(skb, b); - return -1; + return nlmsg_end(skb, nlh); + +errout: + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; } /* @@ -1587,7 +1625,7 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void memset(&fld, 0, sizeof(fld)); fld.flowidn_proto = DNPROTO_NSP; - skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL); + skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (skb == NULL) return -ENOBUFS; skb_reset_mac_header(skb); @@ -1665,13 +1703,16 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb) struct dn_route *rt; int h, s_h; int idx, s_idx; + struct rtmsg *rtm; if (!net_eq(net, &init_net)) return 0; - if (NLMSG_PAYLOAD(cb->nlh, 0) < sizeof(struct rtmsg)) + if (nlmsg_len(cb->nlh) < sizeof(struct rtmsg)) return -EINVAL; - if (!(((struct rtmsg *)nlmsg_data(cb->nlh))->rtm_flags&RTM_F_CLONED)) + + rtm = nlmsg_data(cb->nlh); + if (!(rtm->rtm_flags & RTM_F_CLONED)) return 0; s_h = cb->args[0]; diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c index 92ec741..16c986ab1 100644 --- a/net/decnet/dn_table.c +++ b/net/decnet/dn_table.c @@ -297,62 +297,75 @@ static int dn_fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event, { struct rtmsg *rtm; struct nlmsghdr *nlh; - unsigned char *b = skb_tail_pointer(skb); nlh = nlmsg_put(skb, pid, seq, event, sizeof(*rtm), flags); if (!nlh) - goto out_nlmsg_trim; + return -EMSGSIZE; + rtm = nlmsg_data(nlh); rtm->rtm_family = AF_DECnet; rtm->rtm_dst_len = dst_len; rtm->rtm_src_len = 0; rtm->rtm_tos = 0; rtm->rtm_table = tb_id; - RTA_PUT_U32(skb, RTA_TABLE, tb_id); rtm->rtm_flags = fi->fib_flags; rtm->rtm_scope = scope; rtm->rtm_type = type; - if (rtm->rtm_dst_len) - RTA_PUT(skb, RTA_DST, 2, dst); rtm->rtm_protocol = fi->fib_protocol; - if (fi->fib_priority) - RTA_PUT(skb, RTA_PRIORITY, 4, &fi->fib_priority); + + if (nla_put_u32(skb, RTA_TABLE, tb_id) < 0) + goto errout; + + if (rtm->rtm_dst_len && + nla_put(skb, RTA_DST, 2, dst) < 0) + goto errout; + + if (fi->fib_priority && + nla_put_u32(skb, RTA_PRIORITY, fi->fib_priority) < 0) + goto errout; + if (rtnetlink_put_metrics(skb, fi->fib_metrics) < 0) - goto rtattr_failure; + goto errout; + if (fi->fib_nhs == 1) { - if (fi->fib_nh->nh_gw) - RTA_PUT(skb, RTA_GATEWAY, 2, &fi->fib_nh->nh_gw); - if (fi->fib_nh->nh_oif) - RTA_PUT(skb, RTA_OIF, sizeof(int), &fi->fib_nh->nh_oif); + if (fi->fib_nh->nh_gw && + nla_put_le16(skb, RTA_GATEWAY, fi->fib_nh->nh_gw) < 0) + goto errout; + + if (fi->fib_nh->nh_oif && + nla_put_u32(skb, RTA_OIF, fi->fib_nh->nh_oif) < 0) + goto errout; } + if (fi->fib_nhs > 1) { struct rtnexthop *nhp; - struct rtattr *mp_head; - if (skb_tailroom(skb) <= RTA_SPACE(0)) - goto rtattr_failure; - mp_head = (struct rtattr *)skb_put(skb, RTA_SPACE(0)); + struct nlattr *mp_head; + + if (!(mp_head = nla_nest_start(skb, RTA_MULTIPATH))) + goto errout; for_nexthops(fi) { - if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4)) - goto rtattr_failure; - nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp))); + if (!(nhp = nla_reserve_nohdr(skb, sizeof(*nhp)))) + goto errout; + nhp->rtnh_flags = nh->nh_flags & 0xFF; nhp->rtnh_hops = nh->nh_weight - 1; nhp->rtnh_ifindex = nh->nh_oif; - if (nh->nh_gw) - RTA_PUT(skb, RTA_GATEWAY, 2, &nh->nh_gw); + + if (nh->nh_gw && + nla_put_le16(skb, RTA_GATEWAY, nh->nh_gw) < 0) + goto errout; + nhp->rtnh_len = skb_tail_pointer(skb) - (unsigned char *)nhp; } endfor_nexthops(fi); - mp_head->rta_type = RTA_MULTIPATH; - mp_head->rta_len = skb_tail_pointer(skb) - (u8 *)mp_head; + + nla_nest_end(skb, mp_head); } - nlh->nlmsg_len = skb_tail_pointer(skb) - b; - return skb->len; + return nlmsg_end(skb, nlh); -out_nlmsg_trim: -rtattr_failure: - nlmsg_trim(skb, b); +errout: + nlmsg_cancel(skb, nlh); return -EMSGSIZE; } diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c index b8f7f5b..11db0ec 100644 --- a/net/decnet/netfilter/dn_rtmsg.c +++ b/net/decnet/netfilter/dn_rtmsg.c @@ -125,11 +125,13 @@ static struct nf_hook_ops dnrmg_ops __read_mostly = { static int __init dn_rtmsg_init(void) { int rv = 0; + struct netlink_kernel_cfg cfg = { + .groups = DNRNG_NLGRP_MAX, + .input = dnrmg_receive_user_skb, + }; dnrmg = netlink_kernel_create(&init_net, - NETLINK_DNRTMSG, DNRNG_NLGRP_MAX, - dnrmg_receive_user_skb, - NULL, THIS_MODULE); + NETLINK_DNRTMSG, THIS_MODULE, &cfg); if (dnrmg == NULL) { printk(KERN_ERR "dn_rtmsg: Cannot create netlink socket"); return -ENOMEM; diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 36e5880..db6a6c1 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -283,7 +283,7 @@ int eth_mac_addr(struct net_device *dev, void *p) { struct sockaddr *addr = p; - if (netif_running(dev)) + if (!(dev->priv_flags & IFF_LIVE_ADDR_CHANGE) && netif_running(dev)) return -EBUSY; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index cd5007f..f4070e5 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -55,7 +55,6 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/netdevice.h> -#include <linux/etherdevice.h> #include <net/af_ieee802154.h> #include <net/ieee802154.h> #include <net/ieee802154_netdev.h> @@ -936,6 +935,19 @@ drop: return -EINVAL; } +static int lowpan_set_address(struct net_device *dev, void *p) +{ + struct sockaddr *sa = p; + + if (netif_running(dev)) + return -EBUSY; + + /* TODO: validate addr */ + memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); + + return 0; +} + static int lowpan_get_mac_header_length(struct sk_buff *skb) { /* @@ -1078,7 +1090,7 @@ static struct header_ops lowpan_header_ops = { static const struct net_device_ops lowpan_netdev_ops = { .ndo_start_xmit = lowpan_xmit, - .ndo_set_mac_address = eth_mac_addr, + .ndo_set_mac_address = lowpan_set_address, }; static struct ieee802154_mlme_ops lowpan_mlme = { diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index c8097ae..97351e1 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -44,7 +44,7 @@ struct genl_family nl802154_family = { struct sk_buff *ieee802154_nl_create(int flags, u8 req) { void *hdr; - struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); unsigned long f; if (!msg) @@ -80,7 +80,7 @@ struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info, int flags, u8 req) { void *hdr; - struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); if (!msg) return NULL; diff --git a/net/ieee802154/nl-mac.c b/net/ieee802154/nl-mac.c index ca92587..1e99171 100644 --- a/net/ieee802154/nl-mac.c +++ b/net/ieee802154/nl-mac.c @@ -530,7 +530,7 @@ static int ieee802154_list_iface(struct sk_buff *skb, if (!dev) return -ENODEV; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) goto out_dev; diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c index eed2916..d54be34 100644 --- a/net/ieee802154/nl-phy.c +++ b/net/ieee802154/nl-phy.c @@ -101,7 +101,7 @@ static int ieee802154_list_phy(struct sk_buff *skb, if (!phy) return -ENODEV; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) goto out_dev; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 3854411..81f8571 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -31,6 +31,7 @@ #include <linux/if_addr.h> #include <linux/if_arp.h> #include <linux/skbuff.h> +#include <linux/cache.h> #include <linux/init.h> #include <linux/list.h> #include <linux/slab.h> @@ -85,6 +86,24 @@ struct fib_table *fib_new_table(struct net *net, u32 id) tb = fib_trie_table(id); if (!tb) return NULL; + + switch (id) { + case RT_TABLE_LOCAL: + net->ipv4.fib_local = tb; + break; + + case RT_TABLE_MAIN: + net->ipv4.fib_main = tb; + break; + + case RT_TABLE_DEFAULT: + net->ipv4.fib_default = tb; + break; + + default: + break; + } + h = id & (FIB_TABLE_HASHSZ - 1); hlist_add_head_rcu(&tb->tb_hlist, &net->ipv4.fib_table_hash[h]); return tb; @@ -180,6 +199,43 @@ unsigned int inet_dev_addr_type(struct net *net, const struct net_device *dev, } EXPORT_SYMBOL(inet_dev_addr_type); +__be32 fib_compute_spec_dst(struct sk_buff *skb) +{ + struct net_device *dev = skb->dev; + struct in_device *in_dev; + struct fib_result res; + struct rtable *rt; + struct flowi4 fl4; + struct net *net; + int scope; + + rt = skb_rtable(skb); + if (!(rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))) + return ip_hdr(skb)->daddr; + + in_dev = __in_dev_get_rcu(dev); + BUG_ON(!in_dev); + + net = dev_net(dev); + + scope = RT_SCOPE_UNIVERSE; + if (!ipv4_is_zeronet(ip_hdr(skb)->saddr)) { + fl4.flowi4_oif = 0; + fl4.flowi4_iif = net->loopback_dev->ifindex; + fl4.daddr = ip_hdr(skb)->saddr; + fl4.saddr = 0; + fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos); + fl4.flowi4_scope = scope; + fl4.flowi4_mark = IN_DEV_SRC_VMARK(in_dev) ? skb->mark : 0; + if (!fib_lookup(net, &fl4, &res)) + return FIB_RES_PREFSRC(net, res); + } else { + scope = RT_SCOPE_LINK; + } + + return inet_select_addr(dev, ip_hdr(skb)->saddr, scope); +} + /* Given (packet source, input interface) and optional (dst, oif, tos): * - (main) check, that source is valid i.e. not broadcast or our local * address. @@ -188,17 +244,15 @@ EXPORT_SYMBOL(inet_dev_addr_type); * - check, that packet arrived from expected physical interface. * called with rcu_read_lock() */ -int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, - int oif, struct net_device *dev, __be32 *spec_dst, - u32 *itag) +static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, + u8 tos, int oif, struct net_device *dev, + int rpf, struct in_device *idev, u32 *itag) { - struct in_device *in_dev; - struct flowi4 fl4; + int ret, no_addr, accept_local; struct fib_result res; - int no_addr, rpf, accept_local; - bool dev_match; - int ret; + struct flowi4 fl4; struct net *net; + bool dev_match; fl4.flowi4_oif = 0; fl4.flowi4_iif = oif; @@ -207,20 +261,11 @@ int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, fl4.flowi4_tos = tos; fl4.flowi4_scope = RT_SCOPE_UNIVERSE; - no_addr = rpf = accept_local = 0; - in_dev = __in_dev_get_rcu(dev); - if (in_dev) { - no_addr = in_dev->ifa_list == NULL; - - /* Ignore rp_filter for packets protected by IPsec. */ - rpf = secpath_exists(skb) ? 0 : IN_DEV_RPFILTER(in_dev); + no_addr = accept_local = 0; + no_addr = idev->ifa_list == NULL; - accept_local = IN_DEV_ACCEPT_LOCAL(in_dev); - fl4.flowi4_mark = IN_DEV_SRC_VMARK(in_dev) ? skb->mark : 0; - } - - if (in_dev == NULL) - goto e_inval; + accept_local = IN_DEV_ACCEPT_LOCAL(idev); + fl4.flowi4_mark = IN_DEV_SRC_VMARK(idev) ? skb->mark : 0; net = dev_net(dev); if (fib_lookup(net, &fl4, &res)) @@ -229,7 +274,6 @@ int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, if (res.type != RTN_LOCAL || !accept_local) goto e_inval; } - *spec_dst = FIB_RES_PREFSRC(net, res); fib_combine_itag(itag, &res); dev_match = false; @@ -258,17 +302,14 @@ int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, u8 tos, ret = 0; if (fib_lookup(net, &fl4, &res) == 0) { - if (res.type == RTN_UNICAST) { - *spec_dst = FIB_RES_PREFSRC(net, res); + if (res.type == RTN_UNICAST) ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST; - } } return ret; last_resort: if (rpf) goto e_rpf; - *spec_dst = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE); *itag = 0; return 0; @@ -278,6 +319,20 @@ e_rpf: return -EXDEV; } +/* Ignore rp_filter for packets protected by IPsec. */ +int fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, + u8 tos, int oif, struct net_device *dev, + struct in_device *idev, u32 *itag) +{ + int r = secpath_exists(skb) ? 0 : IN_DEV_RPFILTER(idev); + + if (!r && !fib_num_tclassid_users(dev_net(dev))) { + *itag = 0; + return 0; + } + return __fib_validate_source(skb, src, dst, tos, oif, dev, r, idev, itag); +} + static inline __be32 sk_extract_addr(struct sockaddr *addr) { return ((struct sockaddr_in *) addr)->sin_addr.s_addr; @@ -935,8 +990,11 @@ static void nl_fib_input(struct sk_buff *skb) static int __net_init nl_fib_lookup_init(struct net *net) { struct sock *sk; - sk = netlink_kernel_create(net, NETLINK_FIB_LOOKUP, 0, - nl_fib_input, NULL, THIS_MODULE); + struct netlink_kernel_cfg cfg = { + .input = nl_fib_input, + }; + + sk = netlink_kernel_create(net, NETLINK_FIB_LOOKUP, THIS_MODULE, &cfg); if (sk == NULL) return -EAFNOSUPPORT; net->ipv4.fibnl = sk; @@ -1090,6 +1148,9 @@ static int __net_init fib_net_init(struct net *net) { int error; +#ifdef CONFIG_IP_ROUTE_CLASSID + net->ipv4.fib_num_tclassid_users = 0; +#endif error = ip_fib_net_init(net); if (error < 0) goto out; diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c index 2d043f7..c06da93 100644 --- a/net/ipv4/fib_rules.c +++ b/net/ipv4/fib_rules.c @@ -54,7 +54,7 @@ u32 fib_rules_tclass(const struct fib_result *res) } #endif -int fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res) +int __fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res) { struct fib_lookup_arg arg = { .result = res, @@ -67,7 +67,7 @@ int fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res) return err; } -EXPORT_SYMBOL_GPL(fib_lookup); +EXPORT_SYMBOL_GPL(__fib_lookup); static int fib4_rule_action(struct fib_rule *rule, struct flowi *flp, int flags, struct fib_lookup_arg *arg) @@ -169,8 +169,11 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb, rule4->dst = nla_get_be32(tb[FRA_DST]); #ifdef CONFIG_IP_ROUTE_CLASSID - if (tb[FRA_FLOW]) + if (tb[FRA_FLOW]) { rule4->tclassid = nla_get_u32(tb[FRA_FLOW]); + if (rule4->tclassid) + net->ipv4.fib_num_tclassid_users++; + } #endif rule4->src_len = frh->src_len; @@ -179,11 +182,24 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb, rule4->dstmask = inet_make_mask(rule4->dst_len); rule4->tos = frh->tos; + net->ipv4.fib_has_custom_rules = true; err = 0; errout: return err; } +static void fib4_rule_delete(struct fib_rule *rule) +{ + struct net *net = rule->fr_net; +#ifdef CONFIG_IP_ROUTE_CLASSID + struct fib4_rule *rule4 = (struct fib4_rule *) rule; + + if (rule4->tclassid) + net->ipv4.fib_num_tclassid_users--; +#endif + net->ipv4.fib_has_custom_rules = true; +} + static int fib4_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh, struct nlattr **tb) { @@ -256,6 +272,7 @@ static const struct fib_rules_ops __net_initdata fib4_rules_ops_template = { .action = fib4_rule_action, .match = fib4_rule_match, .configure = fib4_rule_configure, + .delete = fib4_rule_delete, .compare = fib4_rule_compare, .fill = fib4_rule_fill, .default_pref = fib_default_rule_pref, @@ -295,6 +312,7 @@ int __net_init fib4_rules_init(struct net *net) if (err < 0) goto fail; net->ipv4.rules_ops = ops; + net->ipv4.fib_has_custom_rules = false; return 0; fail: diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 415f823..ae301c8 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -163,6 +163,12 @@ void free_fib_info(struct fib_info *fi) return; } fib_info_cnt--; +#ifdef CONFIG_IP_ROUTE_CLASSID + change_nexthops(fi) { + if (nexthop_nh->nh_tclassid) + fi->fib_net->ipv4.fib_num_tclassid_users--; + } endfor_nexthops(fi); +#endif call_rcu(&fi->rcu, free_fib_info_rcu); } @@ -421,6 +427,8 @@ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh, #ifdef CONFIG_IP_ROUTE_CLASSID nla = nla_find(attrs, attrlen, RTA_FLOW); nexthop_nh->nh_tclassid = nla ? nla_get_u32(nla) : 0; + if (nexthop_nh->nh_tclassid) + fi->fib_net->ipv4.fib_num_tclassid_users++; #endif } @@ -815,6 +823,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg) nh->nh_flags = cfg->fc_flags; #ifdef CONFIG_IP_ROUTE_CLASSID nh->nh_tclassid = cfg->fc_flow; + if (nh->nh_tclassid) + fi->fib_net->ipv4.fib_num_tclassid_users++; #endif #ifdef CONFIG_IP_ROUTE_MULTIPATH nh->nh_weight = 1; diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 49a74cc..4bce5a2 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -95,6 +95,7 @@ #include <net/checksum.h> #include <net/xfrm.h> #include <net/inet_common.h> +#include <net/ip_fib.h> /* * Build xmit assembly blocks @@ -333,7 +334,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) struct flowi4 fl4; struct sock *sk; struct inet_sock *inet; - __be32 daddr; + __be32 daddr, saddr; if (ip_options_echo(&icmp_param->replyopts.opt.opt, skb)) return; @@ -347,6 +348,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) inet->tos = ip_hdr(skb)->tos; daddr = ipc.addr = ip_hdr(skb)->saddr; + saddr = fib_compute_spec_dst(skb); ipc.opt = NULL; ipc.tx_flags = 0; if (icmp_param->replyopts.opt.opt.optlen) { @@ -356,7 +358,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) } memset(&fl4, 0, sizeof(fl4)); fl4.daddr = daddr; - fl4.saddr = rt->rt_spec_dst; + fl4.saddr = saddr; fl4.flowi4_tos = RT_TOS(ip_hdr(skb)->tos); fl4.flowi4_proto = IPPROTO_ICMP; security_skb_classify_flow(skb, flowi4_to_flowi(&fl4)); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 27640e7..38064a2 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -46,9 +46,6 @@ struct inet_diag_entry { u16 userlocks; }; -#define INET_DIAG_PUT(skb, attrtype, attrlen) \ - RTA_DATA(__RTA_PUT(skb, attrtype, attrlen)) - static DEFINE_MUTEX(inet_diag_table_mutex); static const struct inet_diag_handler *inet_diag_lock_handler(int proto) @@ -78,28 +75,22 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, const struct inet_sock *inet = inet_sk(sk); struct inet_diag_msg *r; struct nlmsghdr *nlh; + struct nlattr *attr; void *info = NULL; - struct inet_diag_meminfo *minfo = NULL; - unsigned char *b = skb_tail_pointer(skb); const struct inet_diag_handler *handler; int ext = req->idiag_ext; handler = inet_diag_table[req->sdiag_protocol]; BUG_ON(handler == NULL); - nlh = nlmsg_put(skb, pid, seq, unlh->nlmsg_type, sizeof(*r), 0); - if (!nlh) { - nlmsg_trim(skb, b); + nlh = nlmsg_put(skb, pid, seq, unlh->nlmsg_type, sizeof(*r), + nlmsg_flags); + if (!nlh) return -EMSGSIZE; - } - nlh->nlmsg_flags = nlmsg_flags; r = nlmsg_data(nlh); BUG_ON(sk->sk_state == TCP_TIME_WAIT); - if (ext & (1 << (INET_DIAG_MEMINFO - 1))) - minfo = INET_DIAG_PUT(skb, INET_DIAG_MEMINFO, sizeof(*minfo)); - r->idiag_family = sk->sk_family; r->idiag_state = sk->sk_state; r->idiag_timer = 0; @@ -117,7 +108,8 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, * hence this needs to be included regardless of socket family. */ if (ext & (1 << (INET_DIAG_TOS - 1))) - RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos); + if (nla_put_u8(skb, INET_DIAG_TOS, inet->tos) < 0) + goto errout; #if IS_ENABLED(CONFIG_IPV6) if (r->idiag_family == AF_INET6) { @@ -125,24 +117,31 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, *(struct in6_addr *)r->id.idiag_src = np->rcv_saddr; *(struct in6_addr *)r->id.idiag_dst = np->daddr; + if (ext & (1 << (INET_DIAG_TCLASS - 1))) - RTA_PUT_U8(skb, INET_DIAG_TCLASS, np->tclass); + if (nla_put_u8(skb, INET_DIAG_TCLASS, np->tclass) < 0) + goto errout; } #endif r->idiag_uid = sock_i_uid(sk); r->idiag_inode = sock_i_ino(sk); - if (minfo) { - minfo->idiag_rmem = sk_rmem_alloc_get(sk); - minfo->idiag_wmem = sk->sk_wmem_queued; - minfo->idiag_fmem = sk->sk_forward_alloc; - minfo->idiag_tmem = sk_wmem_alloc_get(sk); + if (ext & (1 << (INET_DIAG_MEMINFO - 1))) { + struct inet_diag_meminfo minfo = { + .idiag_rmem = sk_rmem_alloc_get(sk), + .idiag_wmem = sk->sk_wmem_queued, + .idiag_fmem = sk->sk_forward_alloc, + .idiag_tmem = sk_wmem_alloc_get(sk), + }; + + if (nla_put(skb, INET_DIAG_MEMINFO, sizeof(minfo), &minfo) < 0) + goto errout; } if (ext & (1 << (INET_DIAG_SKMEMINFO - 1))) if (sock_diag_put_meminfo(sk, skb, INET_DIAG_SKMEMINFO)) - goto rtattr_failure; + goto errout; if (icsk == NULL) { handler->idiag_get_info(sk, r, NULL); @@ -169,16 +168,20 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, } #undef EXPIRES_IN_MS - if (ext & (1 << (INET_DIAG_INFO - 1))) - info = INET_DIAG_PUT(skb, INET_DIAG_INFO, sizeof(struct tcp_info)); + if (ext & (1 << (INET_DIAG_INFO - 1))) { + attr = nla_reserve(skb, INET_DIAG_INFO, + sizeof(struct tcp_info)); + if (!attr) + goto errout; - if ((ext & (1 << (INET_DIAG_CONG - 1))) && icsk->icsk_ca_ops) { - const size_t len = strlen(icsk->icsk_ca_ops->name); - - strcpy(INET_DIAG_PUT(skb, INET_DIAG_CONG, len + 1), - icsk->icsk_ca_ops->name); + info = nla_data(attr); } + if ((ext & (1 << (INET_DIAG_CONG - 1))) && icsk->icsk_ca_ops) + if (nla_put_string(skb, INET_DIAG_CONG, + icsk->icsk_ca_ops->name) < 0) + goto errout; + handler->idiag_get_info(sk, r, info); if (sk->sk_state < TCP_TIME_WAIT && @@ -186,11 +189,10 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, icsk->icsk_ca_ops->get_info(sk, ext, skb); out: - nlh->nlmsg_len = skb_tail_pointer(skb) - b; - return skb->len; + return nlmsg_end(skb, nlh); -rtattr_failure: - nlmsg_trim(skb, b); +errout: + nlmsg_cancel(skb, nlh); return -EMSGSIZE; } EXPORT_SYMBOL_GPL(inet_sk_diag_fill); @@ -211,20 +213,16 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw, { long tmo; struct inet_diag_msg *r; - const unsigned char *previous_tail = skb_tail_pointer(skb); - struct nlmsghdr *nlh = nlmsg_put(skb, pid, seq, - unlh->nlmsg_type, sizeof(*r), 0); + struct nlmsghdr *nlh; - if (!nlh) { - nlmsg_trim(skb, previous_tail); + nlh = nlmsg_put(skb, pid, seq, unlh->nlmsg_type, sizeof(*r), + nlmsg_flags); + if (!nlh) return -EMSGSIZE; - } r = nlmsg_data(nlh); BUG_ON(tw->tw_state != TCP_TIME_WAIT); - nlh->nlmsg_flags = nlmsg_flags; - tmo = tw->tw_ttd - jiffies; if (tmo < 0) tmo = 0; @@ -253,8 +251,8 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw, *(struct in6_addr *)r->id.idiag_dst = tw6->tw_v6_daddr; } #endif - nlh->nlmsg_len = skb_tail_pointer(skb) - previous_tail; - return skb->len; + + return nlmsg_end(skb, nlh); } static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, @@ -303,20 +301,20 @@ int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_s if (err) goto out; - err = -ENOMEM; - rep = alloc_skb(NLMSG_SPACE((sizeof(struct inet_diag_msg) + - sizeof(struct inet_diag_meminfo) + - sizeof(struct tcp_info) + 64)), - GFP_KERNEL); - if (!rep) + rep = nlmsg_new(sizeof(struct inet_diag_msg) + + sizeof(struct inet_diag_meminfo) + + sizeof(struct tcp_info) + 64, GFP_KERNEL); + if (!rep) { + err = -ENOMEM; goto out; + } err = sk_diag_fill(sk, rep, req, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, 0, nlh); if (err < 0) { WARN_ON(err == -EMSGSIZE); - kfree_skb(rep); + nlmsg_free(rep); goto out; } err = netlink_unicast(sock_diag_nlsk, rep, NETLINK_CB(in_skb).pid, @@ -597,19 +595,16 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk, { const struct inet_request_sock *ireq = inet_rsk(req); struct inet_sock *inet = inet_sk(sk); - unsigned char *b = skb_tail_pointer(skb); struct inet_diag_msg *r; struct nlmsghdr *nlh; long tmo; - nlh = nlmsg_put(skb, pid, seq, unlh->nlmsg_type, sizeof(*r), 0); - if (!nlh) { - nlmsg_trim(skb, b); - return -1; - } - nlh->nlmsg_flags = NLM_F_MULTI; - r = nlmsg_data(nlh); + nlh = nlmsg_put(skb, pid, seq, unlh->nlmsg_type, sizeof(*r), + NLM_F_MULTI); + if (!nlh) + return -EMSGSIZE; + r = nlmsg_data(nlh); r->idiag_family = sk->sk_family; r->idiag_state = TCP_SYN_RECV; r->idiag_timer = 1; @@ -637,9 +632,8 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk, *(struct in6_addr *)r->id.idiag_dst = inet6_rsk(req)->rmt_addr; } #endif - nlh->nlmsg_len = skb_tail_pointer(skb) - b; - return skb->len; + return nlmsg_end(skb, nlh); } static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk, diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 2a39204..b27d444 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -320,33 +320,29 @@ static int ip_rcv_finish(struct sk_buff *skb) const struct iphdr *iph = ip_hdr(skb); struct rtable *rt; + if (sysctl_ip_early_demux && !skb_dst(skb)) { + const struct net_protocol *ipprot; + int protocol = iph->protocol; + + rcu_read_lock(); + ipprot = rcu_dereference(inet_protos[protocol]); + if (ipprot && ipprot->early_demux) + ipprot->early_demux(skb); + rcu_read_unlock(); + } + /* * Initialise the virtual path cache for the packet. It describes * how the packet travels inside Linux networking. */ - if (skb_dst(skb) == NULL) { - int err = -ENOENT; - - if (sysctl_ip_early_demux) { - const struct net_protocol *ipprot; - int protocol = iph->protocol; - - rcu_read_lock(); - ipprot = rcu_dereference(inet_protos[protocol]); - if (ipprot && ipprot->early_demux) - err = ipprot->early_demux(skb); - rcu_read_unlock(); - } - - if (err) { - err = ip_route_input_noref(skb, iph->daddr, iph->saddr, - iph->tos, skb->dev); - if (unlikely(err)) { - if (err == -EXDEV) - NET_INC_STATS_BH(dev_net(skb->dev), - LINUX_MIB_IPRPFILTER); - goto drop; - } + if (!skb_dst(skb)) { + int err = ip_route_input_noref(skb, iph->daddr, iph->saddr, + iph->tos, skb->dev); + if (unlikely(err)) { + if (err == -EXDEV) + NET_INC_STATS_BH(dev_net(skb->dev), + LINUX_MIB_IPRPFILTER); + goto drop; } } diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c index 708b994..a19d647 100644 --- a/net/ipv4/ip_options.c +++ b/net/ipv4/ip_options.c @@ -27,6 +27,7 @@ #include <net/icmp.h> #include <net/route.h> #include <net/cipso_ipv4.h> +#include <net/ip_fib.h> /* * Write options to IP header, record destination address to @@ -104,7 +105,7 @@ int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb) sptr = skb_network_header(skb); dptr = dopt->__data; - daddr = skb_rtable(skb)->rt_spec_dst; + daddr = fib_compute_spec_dst(skb); if (sopt->rr) { optlen = sptr[sopt->rr+1]; @@ -241,6 +242,15 @@ void ip_options_fragment(struct sk_buff *skb) opt->ts_needtime = 0; } +/* helper used by ip_options_compile() to call fib_compute_spec_dst() + * at most one time. + */ +static void spec_dst_fill(__be32 *spec_dst, struct sk_buff *skb) +{ + if (*spec_dst == htonl(INADDR_ANY)) + *spec_dst = fib_compute_spec_dst(skb); +} + /* * Verify options and fill pointers in struct options. * Caller should clear *opt, and set opt->data. @@ -250,12 +260,12 @@ void ip_options_fragment(struct sk_buff *skb) int ip_options_compile(struct net *net, struct ip_options *opt, struct sk_buff *skb) { - int l; - unsigned char *iph; - unsigned char *optptr; - int optlen; + __be32 spec_dst = htonl(INADDR_ANY); unsigned char *pp_ptr = NULL; struct rtable *rt = NULL; + unsigned char *optptr; + unsigned char *iph; + int optlen, l; if (skb != NULL) { rt = skb_rtable(skb); @@ -331,7 +341,8 @@ int ip_options_compile(struct net *net, goto error; } if (rt) { - memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4); + spec_dst_fill(&spec_dst, skb); + memcpy(&optptr[optptr[2]-1], &spec_dst, 4); opt->is_changed = 1; } optptr[2] += 4; @@ -373,7 +384,8 @@ int ip_options_compile(struct net *net, } opt->ts = optptr - iph; if (rt) { - memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4); + spec_dst_fill(&spec_dst, skb); + memcpy(&optptr[optptr[2]-1], &spec_dst, 4); timeptr = &optptr[optptr[2]+3]; } opt->ts_needaddr = 1; diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 0f3185a..cc52679 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -170,6 +170,7 @@ static inline int ip_finish_output2(struct sk_buff *skb) struct net_device *dev = dst->dev; unsigned int hh_len = LL_RESERVED_SPACE(dev); struct neighbour *neigh; + u32 nexthop; if (rt->rt_type == RTN_MULTICAST) { IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUTMCAST, skb->len); @@ -191,15 +192,18 @@ static inline int ip_finish_output2(struct sk_buff *skb) skb = skb2; } - rcu_read_lock(); - neigh = dst_get_neighbour_noref(dst); + rcu_read_lock_bh(); + nexthop = rt->rt_gateway ? rt->rt_gateway : ip_hdr(skb)->daddr; + neigh = __ipv4_neigh_lookup_noref(dev, nexthop); + if (unlikely(!neigh)) + neigh = __neigh_create(&arp_tbl, &nexthop, dev, false); if (neigh) { - int res = neigh_output(neigh, skb); + int res = dst_neigh_output(dst, neigh, skb); - rcu_read_unlock(); + rcu_read_unlock_bh(); return res; } - rcu_read_unlock(); + rcu_read_unlock_bh(); net_dbg_ratelimited("%s: No header cache and no neighbour!\n", __func__); @@ -1459,13 +1463,14 @@ static int ip_reply_glue_bits(void *dptr, char *to, int offset, /* * Generic function to send a packet as reply to another packet. - * Used to send TCP resets so far. ICMP should use this function too. + * Used to send TCP resets so far. * * Should run single threaded per socket because it uses the sock * structure to pass arguments. */ -void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, - const struct ip_reply_arg *arg, unsigned int len) +void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, + __be32 saddr, const struct ip_reply_arg *arg, + unsigned int len) { struct inet_sock *inet = inet_sk(sk); struct ip_options_data replyopts; @@ -1491,7 +1496,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr, RT_TOS(arg->tos), RT_SCOPE_UNIVERSE, sk->sk_protocol, ip_reply_arg_flowi_flags(arg), - daddr, rt->rt_spec_dst, + daddr, saddr, tcp_hdr(skb)->source, tcp_hdr(skb)->dest); security_skb_classify_flow(skb, flowi4_to_flowi(&fl4)); rt = ip_route_output_key(sock_net(sk), &fl4); diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 0d11f23..de29f46 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -40,6 +40,7 @@ #if IS_ENABLED(CONFIG_IPV6) #include <net/transp_v6.h> #endif +#include <net/ip_fib.h> #include <linux/errqueue.h> #include <asm/uaccess.h> @@ -1019,8 +1020,8 @@ e_inval: * @sk: socket * @skb: buffer * - * To support IP_CMSG_PKTINFO option, we store rt_iif and rt_spec_dst - * in skb->cb[] before dst drop. + * To support IP_CMSG_PKTINFO option, we store rt_iif and specific + * destination in skb->cb[] before dst drop. * This way, receiver doesnt make cache line misses to read rtable. */ void ipv4_pktinfo_prepare(struct sk_buff *skb) @@ -1030,7 +1031,7 @@ void ipv4_pktinfo_prepare(struct sk_buff *skb) if (rt) { pktinfo->ipi_ifindex = rt->rt_iif; - pktinfo->ipi_spec_dst.s_addr = rt->rt_spec_dst; + pktinfo->ipi_spec_dst.s_addr = fib_compute_spec_dst(skb); } else { pktinfo->ipi_ifindex = 0; pktinfo->ipi_spec_dst.s_addr = 0; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index c94bbc6..b4ac39f 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -2006,37 +2006,37 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, { int ct; struct rtnexthop *nhp; - u8 *b = skb_tail_pointer(skb); - struct rtattr *mp_head; + struct nlattr *mp_attr; /* If cache is unresolved, don't try to parse IIF and OIF */ if (c->mfc_parent >= MAXVIFS) return -ENOENT; - if (VIF_EXISTS(mrt, c->mfc_parent)) - RTA_PUT(skb, RTA_IIF, 4, &mrt->vif_table[c->mfc_parent].dev->ifindex); + if (VIF_EXISTS(mrt, c->mfc_parent) && + nla_put_u32(skb, RTA_IIF, mrt->vif_table[c->mfc_parent].dev->ifindex) < 0) + return -EMSGSIZE; - mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0)); + if (!(mp_attr = nla_nest_start(skb, RTA_MULTIPATH))) + return -EMSGSIZE; for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) { if (VIF_EXISTS(mrt, ct) && c->mfc_un.res.ttls[ct] < 255) { - if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4)) - goto rtattr_failure; - nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp))); + if (!(nhp = nla_reserve_nohdr(skb, sizeof(*nhp)))) { + nla_nest_cancel(skb, mp_attr); + return -EMSGSIZE; + } + nhp->rtnh_flags = 0; nhp->rtnh_hops = c->mfc_un.res.ttls[ct]; nhp->rtnh_ifindex = mrt->vif_table[ct].dev->ifindex; nhp->rtnh_len = sizeof(*nhp); } } - mp_head->rta_type = RTA_MULTIPATH; - mp_head->rta_len = skb_tail_pointer(skb) - (u8 *)mp_head; + + nla_nest_end(skb, mp_attr); + rtm->rtm_type = RTN_MULTICAST; return 1; - -rtattr_failure: - nlmsg_trim(skb, b); - return -EMSGSIZE; } int ipmr_get_route(struct net *net, struct sk_buff *skb, diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c index 99b3f53..1109f7f 100644 --- a/net/ipv4/netfilter/ipt_ULOG.c +++ b/net/ipv4/netfilter/ipt_ULOG.c @@ -381,6 +381,9 @@ static struct nf_logger ipt_ulog_logger __read_mostly = { static int __init ulog_tg_init(void) { int ret, i; + struct netlink_kernel_cfg cfg = { + .groups = ULOG_MAXNLGROUPS, + }; pr_debug("init module\n"); @@ -393,9 +396,8 @@ static int __init ulog_tg_init(void) for (i = 0; i < ULOG_MAXNLGROUPS; i++) setup_timer(&ulog_buffers[i].timer, ulog_timer, i); - nflognl = netlink_kernel_create(&init_net, - NETLINK_NFLOG, ULOG_MAXNLGROUPS, NULL, - NULL, THIS_MODULE); + nflognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, + THIS_MODULE, &cfg); if (!nflognl) return -ENOMEM; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 81533e3..72e88c2 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -188,7 +188,9 @@ static u32 *ipv4_cow_metrics(struct dst_entry *dst, unsigned long old) return p; } -static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, const void *daddr); +static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr); static struct dst_ops ipv4_dst_ops = { .family = AF_INET, @@ -418,13 +420,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) "HHUptod\tSpecDst"); else { struct rtable *r = v; - struct neighbour *n; - int len, HHUptod; - - rcu_read_lock(); - n = dst_get_neighbour_noref(&r->dst); - HHUptod = (n && (n->nud_state & NUD_CONNECTED)) ? 1 : 0; - rcu_read_unlock(); + int len; seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t" "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n", @@ -438,9 +434,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) (int)((dst_metric(&r->dst, RTAX_RTT) >> 3) + dst_metric(&r->dst, RTAX_RTTVAR)), r->rt_key_tos, - -1, - HHUptod, - r->rt_spec_dst, &len); + -1, 0, 0, &len); seq_printf(seq, "%*s\n", 127 - len, ""); } @@ -1096,20 +1090,20 @@ static int slow_chain_length(const struct rtable *head) return length >> FRACT_BITS; } -static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, const void *daddr) +static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr) { - static const __be32 inaddr_any = 0; struct net_device *dev = dst->dev; const __be32 *pkey = daddr; const struct rtable *rt; struct neighbour *n; rt = (const struct rtable *) dst; - - if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT)) - pkey = &inaddr_any; - else if (rt->rt_gateway) + if (rt->rt_gateway) pkey = (const __be32 *) &rt->rt_gateway; + else if (skb) + pkey = &ip_hdr(skb)->daddr; n = __ipv4_neigh_lookup(dev, *(__force u32 *)pkey); if (n) @@ -1117,16 +1111,6 @@ static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, const vo return neigh_create(&arp_tbl, pkey, dev); } -static int rt_bind_neighbour(struct rtable *rt) -{ - struct neighbour *n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); - if (IS_ERR(n)) - return PTR_ERR(n); - dst_set_neighbour(&rt->dst, n); - - return 0; -} - static struct rtable *rt_intern_hash(unsigned int hash, struct rtable *rt, struct sk_buff *skb, int ifindex) { @@ -1135,7 +1119,6 @@ static struct rtable *rt_intern_hash(unsigned int hash, struct rtable *rt, unsigned long now; u32 min_score; int chain_length; - int attempts = !in_softirq(); restart: chain_length = 0; @@ -1162,15 +1145,6 @@ restart: */ rt->dst.flags |= DST_NOCACHE; - if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) { - int err = rt_bind_neighbour(rt); - if (err) { - net_warn_ratelimited("Neighbour table failure & not caching routes\n"); - ip_rt_put(rt); - return ERR_PTR(err); - } - } - goto skip_hashing; } @@ -1253,40 +1227,6 @@ restart: } } - /* Try to bind route to arp only if it is output - route or unicast forwarding path. - */ - if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) { - int err = rt_bind_neighbour(rt); - if (err) { - spin_unlock_bh(rt_hash_lock_addr(hash)); - - if (err != -ENOBUFS) { - rt_drop(rt); - return ERR_PTR(err); - } - - /* Neighbour tables are full and nothing - can be released. Try to shrink route cache, - it is most likely it holds some neighbour records. - */ - if (attempts-- > 0) { - int saved_elasticity = ip_rt_gc_elasticity; - int saved_int = ip_rt_gc_min_interval; - ip_rt_gc_elasticity = 1; - ip_rt_gc_min_interval = 0; - rt_garbage_collect(&ipv4_dst_ops); - ip_rt_gc_min_interval = saved_int; - ip_rt_gc_elasticity = saved_elasticity; - goto restart; - } - - net_warn_ratelimited("Neighbour table overflow\n"); - rt_drop(rt); - return ERR_PTR(-ENOBUFS); - } - } - rt->dst.rt_next = rt_hash_table[hash].chain; /* @@ -1394,26 +1334,24 @@ static void check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) { struct rtable *rt = (struct rtable *) dst; __be32 orig_gw = rt->rt_gateway; - struct neighbour *n, *old_n; + struct neighbour *n; dst_confirm(&rt->dst); rt->rt_gateway = peer->redirect_learned.a4; - n = ipv4_neigh_lookup(&rt->dst, &rt->rt_gateway); - if (IS_ERR(n)) { + n = ipv4_neigh_lookup(&rt->dst, NULL, &rt->rt_gateway); + if (!n) { rt->rt_gateway = orig_gw; return; } - old_n = xchg(&rt->dst._neighbour, n); - if (old_n) - neigh_release(old_n); if (!(n->nud_state & NUD_VALID)) { neigh_event_send(n, NULL); } else { rt->rt_flags |= RTCF_REDIRECTED; call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); } + neigh_release(n); } /* called in rcu_read_lock() section */ @@ -1978,7 +1916,6 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, { unsigned int hash; struct rtable *rth; - __be32 spec_dst; struct in_device *in_dev = __in_dev_get_rcu(dev); u32 itag = 0; int err; @@ -1999,10 +1936,9 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, if (ipv4_is_zeronet(saddr)) { if (!ipv4_is_local_multicast(daddr)) goto e_inval; - spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); } else { - err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &spec_dst, - &itag); + err = fib_validate_source(skb, saddr, 0, tos, 0, dev, + in_dev, &itag); if (err < 0) goto e_err; } @@ -2029,7 +1965,6 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, rth->rt_oif = 0; rth->rt_mark = skb->mark; rth->rt_gateway = daddr; - rth->rt_spec_dst= spec_dst; rth->rt_peer_genid = 0; rt_init_peer(rth, dev_net(dev)->ipv4.peers); rth->fi = NULL; @@ -2093,7 +2028,6 @@ static int __mkroute_input(struct sk_buff *skb, int err; struct in_device *out_dev; unsigned int flags = 0; - __be32 spec_dst; u32 itag; /* get a working reference to the output device */ @@ -2105,7 +2039,7 @@ static int __mkroute_input(struct sk_buff *skb, err = fib_validate_source(skb, saddr, daddr, tos, FIB_RES_OIF(*res), - in_dev->dev, &spec_dst, &itag); + in_dev->dev, in_dev, &itag); if (err < 0) { ip_handle_martian_source(in_dev->dev, in_dev, skb, daddr, saddr); @@ -2157,7 +2091,6 @@ static int __mkroute_input(struct sk_buff *skb, rth->rt_oif = 0; rth->rt_mark = skb->mark; rth->rt_gateway = daddr; - rth->rt_spec_dst= spec_dst; rth->rt_peer_genid = 0; rt_init_peer(rth, &res->table->tb_peers); rth->fi = NULL; @@ -2223,7 +2156,6 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, u32 itag = 0; struct rtable *rth; unsigned int hash; - __be32 spec_dst; int err = -EINVAL; struct net *net = dev_net(dev); @@ -2281,12 +2213,11 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, if (res.type == RTN_LOCAL) { err = fib_validate_source(skb, saddr, daddr, tos, net->loopback_dev->ifindex, - dev, &spec_dst, &itag); + dev, in_dev, &itag); if (err < 0) goto martian_source_keep_err; if (err) flags |= RTCF_DIRECTSRC; - spec_dst = daddr; goto local_input; } @@ -2302,11 +2233,9 @@ brd_input: if (skb->protocol != htons(ETH_P_IP)) goto e_inval; - if (ipv4_is_zeronet(saddr)) - spec_dst = inet_select_addr(dev, 0, RT_SCOPE_LINK); - else { - err = fib_validate_source(skb, saddr, 0, tos, 0, dev, &spec_dst, - &itag); + if (!ipv4_is_zeronet(saddr)) { + err = fib_validate_source(skb, saddr, 0, tos, 0, dev, + in_dev, &itag); if (err < 0) goto martian_source_keep_err; if (err) @@ -2336,15 +2265,11 @@ local_input: rth->rt_key_tos = tos; rth->rt_dst = daddr; rth->rt_src = saddr; -#ifdef CONFIG_IP_ROUTE_CLASSID - rth->dst.tclassid = itag; -#endif rth->rt_route_iif = dev->ifindex; rth->rt_iif = dev->ifindex; rth->rt_oif = 0; rth->rt_mark = skb->mark; rth->rt_gateway = daddr; - rth->rt_spec_dst= spec_dst; rth->rt_peer_genid = 0; rt_init_peer(rth, net->ipv4.peers); rth->fi = NULL; @@ -2362,7 +2287,6 @@ local_input: no_route: RT_CACHE_STAT_INC(in_no_route); - spec_dst = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE); res.type = RTN_UNREACHABLE; if (err == -ESRCH) err = -ENETUNREACH; @@ -2545,7 +2469,6 @@ static struct rtable *__mkroute_output(const struct fib_result *res, rth->rt_oif = orig_oif; rth->rt_mark = fl4->flowi4_mark; rth->rt_gateway = fl4->daddr; - rth->rt_spec_dst= fl4->saddr; rth->rt_peer_genid = 0; rt_init_peer(rth, (res->table ? &res->table->tb_peers : @@ -2554,12 +2477,9 @@ static struct rtable *__mkroute_output(const struct fib_result *res, RT_CACHE_STAT_INC(out_slow_tot); - if (flags & RTCF_LOCAL) { + if (flags & RTCF_LOCAL) rth->dst.input = ip_local_deliver; - rth->rt_spec_dst = fl4->daddr; - } if (flags & (RTCF_BROADCAST | RTCF_MULTICAST)) { - rth->rt_spec_dst = fl4->saddr; if (flags & RTCF_LOCAL && !(dev_out->flags & IFF_LOOPBACK)) { rth->dst.output = ip_mc_output; @@ -2890,7 +2810,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or rt->rt_dst = ort->rt_dst; rt->rt_src = ort->rt_src; rt->rt_gateway = ort->rt_gateway; - rt->rt_spec_dst = ort->rt_spec_dst; rt_transfer_peer(rt, ort); rt->fi = ort->fi; if (rt->fi) @@ -2965,10 +2884,8 @@ static int rt_fill_info(struct net *net, nla_put_u32(skb, RTA_FLOW, rt->dst.tclassid)) goto nla_put_failure; #endif - if (rt_is_input_route(rt)) { - if (nla_put_be32(skb, RTA_PREFSRC, rt->rt_spec_dst)) - goto nla_put_failure; - } else if (rt->rt_src != rt->rt_key_src) { + if (!rt_is_input_route(rt) && + rt->rt_src != rt->rt_key_src) { if (nla_put_be32(skb, RTA_PREFSRC, rt->rt_src)) goto nla_put_failure; } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 8416f8a..ca0d0e7 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -740,13 +740,13 @@ void tcp_update_metrics(struct sock *sk) if (sysctl_tcp_nometrics_save) return; - dst_confirm(dst); - if (dst && (dst->flags & DST_HOST)) { const struct inet_connection_sock *icsk = inet_csk(sk); int m; unsigned long rtt; + dst_confirm(dst); + if (icsk->icsk_backoff || !tp->srtt) { /* This session failed to estimate rtt. Why? * Probably, no packets returned in time. @@ -3869,9 +3869,11 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag) tcp_cong_avoid(sk, ack, prior_in_flight); } - if ((flag & FLAG_FORWARD_PROGRESS) || !(flag & FLAG_NOT_DUP)) - dst_confirm(__sk_dst_get(sk)); - + if ((flag & FLAG_FORWARD_PROGRESS) || !(flag & FLAG_NOT_DUP)) { + struct dst_entry *dst = __sk_dst_get(sk); + if (dst) + dst_confirm(dst); + } return 1; no_queue: @@ -6140,9 +6142,14 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, case TCP_FIN_WAIT1: if (tp->snd_una == tp->write_seq) { + struct dst_entry *dst; + tcp_set_state(sk, TCP_FIN_WAIT2); sk->sk_shutdown |= SEND_SHUTDOWN; - dst_confirm(__sk_dst_get(sk)); + + dst = __sk_dst_get(sk); + if (dst) + dst_confirm(dst); if (!sock_flag(sk, SOCK_DEAD)) /* Wake up lingering close() */ diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 1781dc6..64568fa 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -698,8 +698,8 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb) net = dev_net(skb_dst(skb)->dev); arg.tos = ip_hdr(skb)->tos; - ip_send_reply(net->ipv4.tcp_sock, skb, ip_hdr(skb)->saddr, - &arg, arg.iov[0].iov_len); + ip_send_unicast_reply(net->ipv4.tcp_sock, skb, ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, &arg, arg.iov[0].iov_len); TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS); @@ -781,8 +781,8 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack, if (oif) arg.bound_dev_if = oif; arg.tos = tos; - ip_send_reply(net->ipv4.tcp_sock, skb, ip_hdr(skb)->saddr, - &arg, arg.iov[0].iov_len); + ip_send_unicast_reply(net->ipv4.tcp_sock, skb, ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, &arg, arg.iov[0].iov_len); TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS); } @@ -1673,30 +1673,28 @@ csum_err: } EXPORT_SYMBOL(tcp_v4_do_rcv); -int tcp_v4_early_demux(struct sk_buff *skb) +void tcp_v4_early_demux(struct sk_buff *skb) { struct net *net = dev_net(skb->dev); const struct iphdr *iph; const struct tcphdr *th; struct net_device *dev; struct sock *sk; - int err; - err = -ENOENT; if (skb->pkt_type != PACKET_HOST) - goto out_err; + return; if (!pskb_may_pull(skb, ip_hdrlen(skb) + sizeof(struct tcphdr))) - goto out_err; + return; iph = ip_hdr(skb); th = (struct tcphdr *) ((char *)iph + ip_hdrlen(skb)); if (th->doff < sizeof(struct tcphdr) / 4) - goto out_err; + return; if (!pskb_may_pull(skb, ip_hdrlen(skb) + th->doff * 4)) - goto out_err; + return; dev = skb->dev; sk = __inet_lookup_established(net, &tcp_hashinfo, @@ -1713,16 +1711,11 @@ int tcp_v4_early_demux(struct sk_buff *skb) if (dst) { struct rtable *rt = (struct rtable *) dst; - if (rt->rt_iif == dev->ifindex) { + if (rt->rt_iif == dev->ifindex) skb_dst_set_noref(skb, dst); - err = 0; - } } } } - -out_err: - return err; } /* diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index db017ef..ee37d47 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -108,6 +108,7 @@ #include <net/xfrm.h> #include <trace/events/udp.h> #include <linux/static_key.h> +#include <trace/events/skb.h> #include "udp_impl.h" struct udp_table udp_table __read_mostly; @@ -1220,8 +1221,10 @@ try_again: goto csum_copy_err; } - if (err) + if (unlikely(err)) { + trace_kfree_skb(skb, udp_recvmsg); goto out_free; + } if (!peeked) UDP_INC_STATS_USER(sock_net(sk), diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 8855d82..9815ea0 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -100,7 +100,6 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, xdst->u.rt.rt_src = rt->rt_src; xdst->u.rt.rt_dst = rt->rt_dst; xdst->u.rt.rt_gateway = rt->rt_gateway; - xdst->u.rt.rt_spec_dst = rt->rt_spec_dst; return 0; } diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index e6cee52..bceb144 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -55,26 +55,26 @@ int inet6_csk_bind_conflict(const struct sock *sk, EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict); struct dst_entry *inet6_csk_route_req(struct sock *sk, + struct flowi6 *fl6, const struct request_sock *req) { struct inet6_request_sock *treq = inet6_rsk(req); struct ipv6_pinfo *np = inet6_sk(sk); struct in6_addr *final_p, final; struct dst_entry *dst; - struct flowi6 fl6; - - memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_proto = IPPROTO_TCP; - fl6.daddr = treq->rmt_addr; - final_p = fl6_update_dst(&fl6, np->opt, &final); - fl6.saddr = treq->loc_addr; - fl6.flowi6_oif = sk->sk_bound_dev_if; - fl6.flowi6_mark = sk->sk_mark; - fl6.fl6_dport = inet_rsk(req)->rmt_port; - fl6.fl6_sport = inet_rsk(req)->loc_port; - security_req_classify_flow(req, flowi6_to_flowi(&fl6)); - dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); + memset(fl6, 0, sizeof(*fl6)); + fl6->flowi6_proto = IPPROTO_TCP; + fl6->daddr = treq->rmt_addr; + final_p = fl6_update_dst(fl6, np->opt, &final); + fl6->saddr = treq->loc_addr; + fl6->flowi6_oif = treq->iif; + fl6->flowi6_mark = sk->sk_mark; + fl6->fl6_dport = inet_rsk(req)->rmt_port; + fl6->fl6_sport = inet_rsk(req)->loc_port; + security_req_classify_flow(req, flowi6_to_flowi(fl6)); + + dst = ip6_dst_lookup_flow(sk, fl6, final_p, false); if (IS_ERR(dst)) return NULL; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index a233a7c..c6af596 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -88,6 +88,7 @@ static int ip6_finish_output2(struct sk_buff *skb) struct dst_entry *dst = skb_dst(skb); struct net_device *dev = dst->dev; struct neighbour *neigh; + struct rt6_info *rt; skb->protocol = htons(ETH_P_IPV6); skb->dev = dev; @@ -123,9 +124,10 @@ static int ip6_finish_output2(struct sk_buff *skb) } rcu_read_lock(); - neigh = dst_get_neighbour_noref(dst); + rt = (struct rt6_info *) dst; + neigh = rt->n; if (neigh) { - int res = neigh_output(neigh, skb); + int res = dst_neigh_output(dst, neigh, skb); rcu_read_unlock(); return res; @@ -944,6 +946,7 @@ static int ip6_dst_lookup_tail(struct sock *sk, struct net *net = sock_net(sk); #ifdef CONFIG_IPV6_OPTIMISTIC_DAD struct neighbour *n; + struct rt6_info *rt; #endif int err; @@ -972,7 +975,8 @@ static int ip6_dst_lookup_tail(struct sock *sk, * dst entry of the nexthop router */ rcu_read_lock(); - n = dst_get_neighbour_noref(*dst); + rt = (struct rt6_info *) *dst; + n = rt->n; if (n && !(n->nud_state & NUD_VALID)) { struct inet6_ifaddr *ifp; struct flowi6 fl_gw6; diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index c9015fad..04a3cba 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -684,24 +684,50 @@ static void ip6ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t, IP6_ECN_set_ce(ipv6_hdr(skb)); } +static __u32 ip6_tnl_get_cap(struct ip6_tnl *t, + const struct in6_addr *laddr, + const struct in6_addr *raddr) +{ + struct ip6_tnl_parm *p = &t->parms; + int ltype = ipv6_addr_type(laddr); + int rtype = ipv6_addr_type(raddr); + __u32 flags = 0; + + if (ltype == IPV6_ADDR_ANY || rtype == IPV6_ADDR_ANY) { + flags = IP6_TNL_F_CAP_PER_PACKET; + } else if (ltype & (IPV6_ADDR_UNICAST|IPV6_ADDR_MULTICAST) && + rtype & (IPV6_ADDR_UNICAST|IPV6_ADDR_MULTICAST) && + !((ltype|rtype) & IPV6_ADDR_LOOPBACK) && + (!((ltype|rtype) & IPV6_ADDR_LINKLOCAL) || p->link)) { + if (ltype&IPV6_ADDR_UNICAST) + flags |= IP6_TNL_F_CAP_XMIT; + if (rtype&IPV6_ADDR_UNICAST) + flags |= IP6_TNL_F_CAP_RCV; + } + return flags; +} + /* called with rcu_read_lock() */ -static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t) +static inline int ip6_tnl_rcv_ctl(struct ip6_tnl *t, + const struct in6_addr *laddr, + const struct in6_addr *raddr) { struct ip6_tnl_parm *p = &t->parms; int ret = 0; struct net *net = dev_net(t->dev); - if (p->flags & IP6_TNL_F_CAP_RCV) { + if ((p->flags & IP6_TNL_F_CAP_RCV) || + ((p->flags & IP6_TNL_F_CAP_PER_PACKET) && + (ip6_tnl_get_cap(t, laddr, raddr) & IP6_TNL_F_CAP_RCV))) { struct net_device *ldev = NULL; if (p->link) ldev = dev_get_by_index_rcu(net, p->link); - if ((ipv6_addr_is_multicast(&p->laddr) || - likely(ipv6_chk_addr(net, &p->laddr, ldev, 0))) && - likely(!ipv6_chk_addr(net, &p->raddr, NULL, 0))) + if ((ipv6_addr_is_multicast(laddr) || + likely(ipv6_chk_addr(net, laddr, ldev, 0))) && + likely(!ipv6_chk_addr(net, raddr, NULL, 0))) ret = 1; - } return ret; } @@ -740,7 +766,7 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol, goto discard; } - if (!ip6_tnl_rcv_ctl(t)) { + if (!ip6_tnl_rcv_ctl(t, &ipv6h->daddr, &ipv6h->saddr)) { t->dev->stats.rx_dropped++; rcu_read_unlock(); goto discard; @@ -1114,25 +1140,6 @@ tx_err: return NETDEV_TX_OK; } -static void ip6_tnl_set_cap(struct ip6_tnl *t) -{ - struct ip6_tnl_parm *p = &t->parms; - int ltype = ipv6_addr_type(&p->laddr); - int rtype = ipv6_addr_type(&p->raddr); - - p->flags &= ~(IP6_TNL_F_CAP_XMIT|IP6_TNL_F_CAP_RCV); - - if (ltype & (IPV6_ADDR_UNICAST|IPV6_ADDR_MULTICAST) && - rtype & (IPV6_ADDR_UNICAST|IPV6_ADDR_MULTICAST) && - !((ltype|rtype) & IPV6_ADDR_LOOPBACK) && - (!((ltype|rtype) & IPV6_ADDR_LINKLOCAL) || p->link)) { - if (ltype&IPV6_ADDR_UNICAST) - p->flags |= IP6_TNL_F_CAP_XMIT; - if (rtype&IPV6_ADDR_UNICAST) - p->flags |= IP6_TNL_F_CAP_RCV; - } -} - static void ip6_tnl_link_config(struct ip6_tnl *t) { struct net_device *dev = t->dev; @@ -1153,7 +1160,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t) if (!(p->flags&IP6_TNL_F_USE_ORIG_FLOWLABEL)) fl6->flowlabel |= IPV6_FLOWLABEL_MASK & p->flowinfo; - ip6_tnl_set_cap(t); + p->flags &= ~(IP6_TNL_F_CAP_XMIT|IP6_TNL_F_CAP_RCV|IP6_TNL_F_CAP_PER_PACKET); + p->flags |= ip6_tnl_get_cap(t, &p->laddr, &p->raddr); if (p->flags&IP6_TNL_F_CAP_XMIT && p->flags&IP6_TNL_F_CAP_RCV) dev->flags |= IFF_POINTOPOINT; @@ -1438,6 +1446,9 @@ static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev) t->parms.proto = IPPROTO_IPV6; dev_hold(dev); + + ip6_tnl_link_config(t); + rcu_assign_pointer(ip6n->tnls_wc[0], t); return 0; } diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 461e47c..4532973 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -2104,8 +2104,9 @@ static int __ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb, if (c->mf6c_parent >= MAXMIFS) return -ENOENT; - if (MIF_EXISTS(mrt, c->mf6c_parent)) - RTA_PUT(skb, RTA_IIF, 4, &mrt->vif6_table[c->mf6c_parent].dev->ifindex); + if (MIF_EXISTS(mrt, c->mf6c_parent) && + nla_put_u32(skb, RTA_IIF, mrt->vif6_table[c->mf6c_parent].dev->ifindex) < 0) + return -EMSGSIZE; mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0)); diff --git a/net/ipv6/route.c b/net/ipv6/route.c index c518e4e..6cc6c88 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -120,21 +120,27 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old) return p; } -static inline const void *choose_neigh_daddr(struct rt6_info *rt, const void *daddr) +static inline const void *choose_neigh_daddr(struct rt6_info *rt, + struct sk_buff *skb, + const void *daddr) { struct in6_addr *p = &rt->rt6i_gateway; if (!ipv6_addr_any(p)) return (const void *) p; + else if (skb) + return &ipv6_hdr(skb)->daddr; return daddr; } -static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, const void *daddr) +static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr) { struct rt6_info *rt = (struct rt6_info *) dst; struct neighbour *n; - daddr = choose_neigh_daddr(rt, daddr); + daddr = choose_neigh_daddr(rt, skb, daddr); n = __ipv6_neigh_lookup(&nd_tbl, dst->dev, daddr); if (n) return n; @@ -149,7 +155,7 @@ static int rt6_bind_neighbour(struct rt6_info *rt, struct net_device *dev) if (IS_ERR(n)) return PTR_ERR(n); } - dst_set_neighbour(&rt->dst, n); + rt->n = n; return 0; } @@ -267,7 +273,7 @@ static inline struct rt6_info *ip6_dst_alloc(struct net *net, 0, 0, flags); if (rt) { - memset(&rt->rt6i_table, 0, + memset(&rt->n, 0, sizeof(*rt) - sizeof(struct dst_entry)); rt6_init_peer(rt, table ? &table->tb6_peers : net->ipv6.peers); } @@ -279,6 +285,9 @@ static void ip6_dst_destroy(struct dst_entry *dst) struct rt6_info *rt = (struct rt6_info *)dst; struct inet6_dev *idev = rt->rt6i_idev; + if (rt->n) + neigh_release(rt->n); + if (!(rt->dst.flags & DST_HOST)) dst_destroy_metrics_generic(dst); @@ -329,12 +338,19 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev, struct net_device *loopback_dev = dev_net(dev)->loopback_dev; - if (dev != loopback_dev && idev && idev->dev == dev) { - struct inet6_dev *loopback_idev = - in6_dev_get(loopback_dev); - if (loopback_idev) { - rt->rt6i_idev = loopback_idev; - in6_dev_put(idev); + if (dev != loopback_dev) { + if (idev && idev->dev == dev) { + struct inet6_dev *loopback_idev = + in6_dev_get(loopback_dev); + if (loopback_idev) { + rt->rt6i_idev = loopback_idev; + in6_dev_put(idev); + } + } + if (rt->n && rt->n->dev == dev) { + rt->n->dev = loopback_dev; + dev_hold(loopback_dev); + dev_put(dev); } } } @@ -424,7 +440,7 @@ static void rt6_probe(struct rt6_info *rt) * to no more than one per minute. */ rcu_read_lock(); - neigh = rt ? dst_get_neighbour_noref(&rt->dst) : NULL; + neigh = rt ? rt->n : NULL; if (!neigh || (neigh->nud_state & NUD_VALID)) goto out; read_lock_bh(&neigh->lock); @@ -471,7 +487,7 @@ static inline int rt6_check_neigh(struct rt6_info *rt) int m; rcu_read_lock(); - neigh = dst_get_neighbour_noref(&rt->dst); + neigh = rt->n; if (rt->rt6i_flags & RTF_NONEXTHOP || !(rt->rt6i_flags & RTF_GATEWAY)) m = 1; @@ -818,7 +834,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, if (rt) { rt->rt6i_flags |= RTF_CACHE; - dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_noref_raw(&ort->dst))); + rt->n = neigh_clone(ort->n); } return rt; } @@ -852,7 +868,7 @@ restart: dst_hold(&rt->dst); read_unlock_bh(&table->tb6_lock); - if (!dst_get_neighbour_noref_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP)) + if (!rt->n && !(rt->rt6i_flags & RTF_NONEXTHOP)) nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr); else if (!(rt->dst.flags & DST_HOST)) nrt = rt6_alloc_clone(rt, &fl6->daddr); @@ -1162,7 +1178,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, if (neigh) neigh_hold(neigh); else { - neigh = ip6_neigh_lookup(&rt->dst, &fl6->daddr); + neigh = ip6_neigh_lookup(&rt->dst, NULL, &fl6->daddr); if (IS_ERR(neigh)) { in6_dev_put(idev); dst_free(&rt->dst); @@ -1172,7 +1188,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, rt->dst.flags |= DST_HOST; rt->dst.output = ip6_output; - dst_set_neighbour(&rt->dst, neigh); + rt->n = neigh; atomic_set(&rt->dst.__refcnt, 1); rt->rt6i_dst.addr = fl6->daddr; rt->rt6i_dst.plen = 128; @@ -1681,6 +1697,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, struct rt6_info *rt, *nrt = NULL; struct netevent_redirect netevent; struct net *net = dev_net(neigh->dev); + struct neighbour *old_neigh; rt = ip6_route_redirect(dest, src, saddr, neigh->dev); @@ -1708,7 +1725,8 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, dst_confirm(&rt->dst); /* Duplicate redirect: silently ignore. */ - if (neigh == dst_get_neighbour_noref_raw(&rt->dst)) + old_neigh = rt->n; + if (neigh == old_neigh) goto out; nrt = ip6_rt_copy(rt, dest); @@ -1720,13 +1738,16 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, nrt->rt6i_flags &= ~RTF_GATEWAY; nrt->rt6i_gateway = *(struct in6_addr *)neigh->primary_key; - dst_set_neighbour(&nrt->dst, neigh_clone(neigh)); + nrt->n = neigh_clone(neigh); if (ip6_ins_rt(nrt)) goto out; netevent.old = &rt->dst; + netevent.old_neigh = old_neigh; netevent.new = &nrt->dst; + netevent.new_neigh = neigh; + netevent.daddr = dest; call_netevent_notifiers(NETEVENT_REDIRECT, &netevent); if (rt->rt6i_flags & RTF_CACHE) { @@ -2431,7 +2452,7 @@ static int rt6_fill_node(struct net *net, goto nla_put_failure; rcu_read_lock(); - n = dst_get_neighbour_noref(&rt->dst); + n = rt->n; if (n) { if (nla_put(skb, RTA_GATEWAY, 16, &n->primary_key) < 0) { rcu_read_unlock(); @@ -2655,7 +2676,7 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg) seq_puts(m, "00000000000000000000000000000000 00 "); #endif rcu_read_lock(); - n = dst_get_neighbour_noref(&rt->dst); + n = rt->n; if (n) { seq_printf(m, "%pi6", n->primary_key); } else { diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 8e951d8..7bf3cc4 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -21,9 +21,6 @@ #include <net/ipv6.h> #include <net/tcp.h> -extern int sysctl_tcp_syncookies; -extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS]; - #define COOKIEBITS 24 /* Upper bits store count */ #define COOKIEMASK (((__u32)1 << COOKIEBITS) - 1) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 26a8862..6cc67ed 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -477,61 +477,43 @@ out: } -static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req, +static int tcp_v6_send_synack(struct sock *sk, struct dst_entry *dst, + struct flowi6 *fl6, + struct request_sock *req, struct request_values *rvp, u16 queue_mapping) { struct inet6_request_sock *treq = inet6_rsk(req); struct ipv6_pinfo *np = inet6_sk(sk); struct sk_buff * skb; - struct ipv6_txoptions *opt = NULL; - struct in6_addr * final_p, final; - struct flowi6 fl6; - struct dst_entry *dst; - int err; - - memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_proto = IPPROTO_TCP; - fl6.daddr = treq->rmt_addr; - fl6.saddr = treq->loc_addr; - fl6.flowlabel = 0; - fl6.flowi6_oif = treq->iif; - fl6.flowi6_mark = sk->sk_mark; - fl6.fl6_dport = inet_rsk(req)->rmt_port; - fl6.fl6_sport = inet_rsk(req)->loc_port; - security_req_classify_flow(req, flowi6_to_flowi(&fl6)); - - opt = np->opt; - final_p = fl6_update_dst(&fl6, opt, &final); + int err = -ENOMEM; - dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false); - if (IS_ERR(dst)) { - err = PTR_ERR(dst); - dst = NULL; + /* First, grab a route. */ + if (!dst && (dst = inet6_csk_route_req(sk, fl6, req)) == NULL) goto done; - } + skb = tcp_make_synack(sk, dst, req, rvp); - err = -ENOMEM; + if (skb) { __tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr); - fl6.daddr = treq->rmt_addr; + fl6->daddr = treq->rmt_addr; skb_set_queue_mapping(skb, queue_mapping); - err = ip6_xmit(sk, skb, &fl6, opt, np->tclass); + err = ip6_xmit(sk, skb, fl6, np->opt, np->tclass); err = net_xmit_eval(err); } done: - if (opt && opt != np->opt) - sock_kfree_s(sk, opt, opt->tot_len); return err; } static int tcp_v6_rtx_synack(struct sock *sk, struct request_sock *req, struct request_values *rvp) { + struct flowi6 fl6; + TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_RETRANSSEGS); - return tcp_v6_send_synack(sk, req, rvp, 0); + return tcp_v6_send_synack(sk, NULL, &fl6, req, rvp, 0); } static void tcp_v6_reqsk_destructor(struct request_sock *req) @@ -1058,6 +1040,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) struct tcp_sock *tp = tcp_sk(sk); __u32 isn = TCP_SKB_CB(skb)->when; struct dst_entry *dst = NULL; + struct flowi6 fl6; bool want_cookie = false; if (skb->protocol == htons(ETH_P_IP)) @@ -1177,7 +1160,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) */ if (tmp_opt.saw_tstamp && tcp_death_row.sysctl_tw_recycle && - (dst = inet6_csk_route_req(sk, req)) != NULL && + (dst = inet6_csk_route_req(sk, &fl6, req)) != NULL && (peer = rt6_get_peer((struct rt6_info *)dst)) != NULL && ipv6_addr_equal((struct in6_addr *)peer->daddr.addr.a6, &treq->rmt_addr)) { @@ -1213,9 +1196,10 @@ have_isn: tcp_rsk(req)->snt_isn = isn; tcp_rsk(req)->snt_synack = tcp_time_stamp; - security_inet_conn_request(sk, skb, req); + if (security_inet_conn_request(sk, skb, req)) + goto drop_and_release; - if (tcp_v6_send_synack(sk, req, + if (tcp_v6_send_synack(sk, dst, &fl6, req, (struct request_values *)&tmp_ext, skb_get_queue_mapping(skb)) || want_cookie) @@ -1242,10 +1226,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, struct inet_sock *newinet; struct tcp_sock *newtp; struct sock *newsk; - struct ipv6_txoptions *opt; #ifdef CONFIG_TCP_MD5SIG struct tcp_md5sig_key *key; #endif + struct flowi6 fl6; if (skb->protocol == htons(ETH_P_IP)) { /* @@ -1302,13 +1286,12 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, } treq = inet6_rsk(req); - opt = np->opt; if (sk_acceptq_is_full(sk)) goto out_overflow; if (!dst) { - dst = inet6_csk_route_req(sk, req); + dst = inet6_csk_route_req(sk, &fl6, req); if (!dst) goto out; } @@ -1371,11 +1354,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, but we make one more one thing there: reattach optmem to newsk. */ - if (opt) { - newnp->opt = ipv6_dup_options(newsk, opt); - if (opt != np->opt) - sock_kfree_s(sk, opt, opt->tot_len); - } + if (np->opt) + newnp->opt = ipv6_dup_options(newsk, np->opt); inet_csk(newsk)->icsk_ext_hdr_len = 0; if (newnp->opt) @@ -1422,8 +1402,6 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, out_overflow: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS); out_nonewsk: - if (opt && opt != np->opt) - sock_kfree_s(sk, opt, opt->tot_len); dst_release(dst); out: NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 051ad48..1ecd102 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -48,6 +48,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <trace/events/skb.h> #include "udp_impl.h" int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2) @@ -385,15 +386,16 @@ try_again: if (skb_csum_unnecessary(skb)) err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr), - msg->msg_iov, copied ); + msg->msg_iov, copied); else { err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov); if (err == -EINVAL) goto csum_copy_err; } - if (err) + if (unlikely(err)) { + trace_kfree_skb(skb, udpv6_recvmsg); goto out_free; - + } if (!peeked) { if (is_udp4) UDP_INC_STATS_USER(sock_net(sk), diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index d749484..bb02038 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -103,6 +103,7 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, /* Sheit... I remember I did this right. Apparently, * it was magically lost, so this code needs audit */ + xdst->u.rt6.n = neigh_clone(rt->n); xdst->u.rt6.rt6i_flags = rt->rt6i_flags & (RTF_ANYCAST | RTF_LOCAL); xdst->u.rt6.rt6i_metric = rt->rt6i_metric; diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 32b2155..393355d 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1128,6 +1128,7 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len int headroom; int uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; int udp_len; + int ret = NET_XMIT_SUCCESS; /* Check that there's enough headroom in the skb to insert IP, * UDP and L2TP headers. If not enough, expand it to @@ -1137,8 +1138,8 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len uhlen + hdr_len; old_headroom = skb_headroom(skb); if (skb_cow_head(skb, headroom)) { - dev_kfree_skb(skb); - goto abort; + kfree_skb(skb); + return NET_XMIT_DROP; } new_headroom = skb_headroom(skb); @@ -1156,7 +1157,8 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len bh_lock_sock(sk); if (sock_owned_by_user(sk)) { - dev_kfree_skb(skb); + kfree_skb(skb); + ret = NET_XMIT_DROP; goto out_unlock; } @@ -1215,8 +1217,7 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len out_unlock: bh_unlock_sock(sk); -abort: - return 0; + return ret; } EXPORT_SYMBOL_GPL(l2tp_xmit_skb); diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 185f12f..f9ee74d 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -42,6 +42,12 @@ struct l2tp_eth { struct sock *tunnel_sock; struct l2tp_session *session; struct list_head list; + atomic_long_t tx_bytes; + atomic_long_t tx_packets; + atomic_long_t tx_dropped; + atomic_long_t rx_bytes; + atomic_long_t rx_packets; + atomic_long_t rx_errors; }; /* via l2tp_session_priv() */ @@ -87,25 +93,45 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev) { struct l2tp_eth *priv = netdev_priv(dev); struct l2tp_session *session = priv->session; + unsigned int len = skb->len; + int ret = l2tp_xmit_skb(session, skb, session->hdr_len); + + if (likely(ret == NET_XMIT_SUCCESS)) { + atomic_long_add(len, &priv->tx_bytes); + atomic_long_inc(&priv->tx_packets); + } else { + atomic_long_inc(&priv->tx_dropped); + } + return NETDEV_TX_OK; +} - l2tp_xmit_skb(session, skb, session->hdr_len); - - dev->stats.tx_bytes += skb->len; - dev->stats.tx_packets++; +static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev, + struct rtnl_link_stats64 *stats) +{ + struct l2tp_eth *priv = netdev_priv(dev); - return 0; + stats->tx_bytes = atomic_long_read(&priv->tx_bytes); + stats->tx_packets = atomic_long_read(&priv->tx_packets); + stats->tx_dropped = atomic_long_read(&priv->tx_dropped); + stats->rx_bytes = atomic_long_read(&priv->rx_bytes); + stats->rx_packets = atomic_long_read(&priv->rx_packets); + stats->rx_errors = atomic_long_read(&priv->rx_errors); + return stats; } + static struct net_device_ops l2tp_eth_netdev_ops = { .ndo_init = l2tp_eth_dev_init, .ndo_uninit = l2tp_eth_dev_uninit, .ndo_start_xmit = l2tp_eth_dev_xmit, + .ndo_get_stats64 = l2tp_eth_get_stats64, }; static void l2tp_eth_dev_setup(struct net_device *dev) { ether_setup(dev); - dev->priv_flags &= ~IFF_TX_SKB_SHARING; + dev->priv_flags &= ~IFF_TX_SKB_SHARING; + dev->features |= NETIF_F_LLTX; dev->netdev_ops = &l2tp_eth_netdev_ops; dev->destructor = free_netdev; } @@ -114,17 +140,17 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb, { struct l2tp_eth_sess *spriv = l2tp_session_priv(session); struct net_device *dev = spriv->dev; + struct l2tp_eth *priv = netdev_priv(dev); if (session->debug & L2TP_MSG_DATA) { unsigned int length; - u8 *ptr = skb->data; length = min(32u, skb->len); if (!pskb_may_pull(skb, length)) goto error; pr_debug("%s: eth recv\n", session->name); - print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, ptr, length); + print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, skb->data, length); } if (!pskb_may_pull(skb, sizeof(ETH_HLEN))) @@ -139,15 +165,15 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb, nf_reset(skb); if (dev_forward_skb(dev, skb) == NET_RX_SUCCESS) { - dev->stats.rx_packets++; - dev->stats.rx_bytes += data_len; - } else - dev->stats.rx_errors++; - + atomic_long_inc(&priv->rx_packets); + atomic_long_add(data_len, &priv->rx_bytes); + } else { + atomic_long_inc(&priv->rx_errors); + } return; error: - dev->stats.rx_errors++; + atomic_long_inc(&priv->rx_errors); kfree_skb(skb); } diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index ddc553e..d71cd92 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -72,7 +72,7 @@ static int l2tp_nl_cmd_noop(struct sk_buff *skb, struct genl_info *info) void *hdr; int ret = -ENOBUFS; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { ret = -ENOMEM; goto out; @@ -353,7 +353,7 @@ static int l2tp_nl_cmd_tunnel_get(struct sk_buff *skb, struct genl_info *info) goto out; } - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { ret = -ENOMEM; goto out; @@ -699,7 +699,7 @@ static int l2tp_nl_cmd_session_get(struct sk_buff *skb, struct genl_info *info) goto out; } - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { ret = -ENOMEM; goto out; diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 8d249d7..63af254 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -107,6 +107,19 @@ config MAC80211_DEBUGFS Say N unless you know you need this. +config MAC80211_MESSAGE_TRACING + bool "Trace all mac80211 debug messages" + depends on MAC80211 + ---help--- + Select this option to have mac80211 register the + mac80211_msg trace subsystem with tracepoints to + collect all debugging messages, independent of + printing them into the kernel log. + + The overhead in this option is that all the messages + need to be present in the binary and formatted at + runtime for tracing. + menuconfig MAC80211_DEBUG_MENU bool "Select mac80211 debugging features" depends on MAC80211 @@ -140,26 +153,35 @@ config MAC80211_VERBOSE_DEBUG Do not select this option. -config MAC80211_HT_DEBUG - bool "Verbose HT debugging" +config MAC80211_MLME_DEBUG + bool "Verbose managed MLME output" depends on MAC80211_DEBUG_MENU ---help--- - This option enables 802.11n High Throughput features - debug tracing output. - - It should not be selected on production systems as some + Selecting this option causes mac80211 to print out + debugging messages for the managed-mode MLME. It + should not be selected on production systems as some of the messages are remotely triggerable. Do not select this option. -config MAC80211_TKIP_DEBUG - bool "Verbose TKIP debugging" +config MAC80211_STA_DEBUG + bool "Verbose station debugging" depends on MAC80211_DEBUG_MENU ---help--- Selecting this option causes mac80211 to print out - very verbose TKIP debugging messages. It should not - be selected on production systems as those messages - are remotely triggerable. + debugging messages for station addition/removal. + + Do not select this option. + +config MAC80211_HT_DEBUG + bool "Verbose HT debugging" + depends on MAC80211_DEBUG_MENU + ---help--- + This option enables 802.11n High Throughput features + debug tracing output. + + It should not be selected on production systems as some + of the messages are remotely triggerable. Do not select this option. @@ -174,7 +196,7 @@ config MAC80211_IBSS_DEBUG Do not select this option. -config MAC80211_VERBOSE_PS_DEBUG +config MAC80211_PS_DEBUG bool "Verbose powersave mode debugging" depends on MAC80211_DEBUG_MENU ---help--- @@ -186,7 +208,7 @@ config MAC80211_VERBOSE_PS_DEBUG Do not select this option. -config MAC80211_VERBOSE_MPL_DEBUG +config MAC80211_MPL_DEBUG bool "Verbose mesh peer link debugging" depends on MAC80211_DEBUG_MENU depends on MAC80211_MESH @@ -199,7 +221,7 @@ config MAC80211_VERBOSE_MPL_DEBUG Do not select this option. -config MAC80211_VERBOSE_MPATH_DEBUG +config MAC80211_MPATH_DEBUG bool "Verbose mesh path debugging" depends on MAC80211_DEBUG_MENU depends on MAC80211_MESH @@ -212,7 +234,7 @@ config MAC80211_VERBOSE_MPATH_DEBUG Do not select this option. -config MAC80211_VERBOSE_MHWMP_DEBUG +config MAC80211_MHWMP_DEBUG bool "Verbose mesh HWMP routing debugging" depends on MAC80211_DEBUG_MENU depends on MAC80211_MESH @@ -225,7 +247,7 @@ config MAC80211_VERBOSE_MHWMP_DEBUG Do not select this option. -config MAC80211_VERBOSE_MESH_SYNC_DEBUG +config MAC80211_MESH_SYNC_DEBUG bool "Verbose mesh mesh synchronization debugging" depends on MAC80211_DEBUG_MENU depends on MAC80211_MESH @@ -236,7 +258,7 @@ config MAC80211_VERBOSE_MESH_SYNC_DEBUG Do not select this option. -config MAC80211_VERBOSE_TDLS_DEBUG +config MAC80211_TDLS_DEBUG bool "Verbose TDLS debugging" depends on MAC80211_DEBUG_MENU ---help--- diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 2b1470b..a7dd110 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -24,7 +24,7 @@ mac80211-y := \ wme.o \ event.o \ chan.o \ - driver-trace.o mlme.o + trace.o mlme.o mac80211-$(CONFIG_MAC80211_LEDS) += led.o mac80211-$(CONFIG_MAC80211_DEBUGFS) += \ @@ -42,7 +42,7 @@ mac80211-$(CONFIG_MAC80211_MESH) += \ mac80211-$(CONFIG_PM) += pm.o -CFLAGS_driver-trace.o := -I$(src) +CFLAGS_trace.o := -I$(src) # objects for PID algorithm rc80211_pid-y := rc80211_pid_algo.o @@ -58,4 +58,4 @@ mac80211-$(CONFIG_MAC80211_RC_PID) += $(rc80211_pid-y) mac80211-$(CONFIG_MAC80211_RC_MINSTREL) += $(rc80211_minstrel-y) mac80211-$(CONFIG_MAC80211_RC_MINSTREL_HT) += $(rc80211_minstrel_ht-y) -ccflags-y += -D__CHECK_ENDIAN__ +ccflags-y += -D__CHECK_ENDIAN__ -DDEBUG diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 32ef11d..186d991 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -74,15 +74,17 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, RCU_INIT_POINTER(sta->ampdu_mlme.tid_rx[tid], NULL); - ht_vdbg("Rx BA session stop requested for %pM tid %u %s reason: %d\n", - sta->sta.addr, tid, - initiator == WLAN_BACK_RECIPIENT ? "recipient" : "inititator", - (int)reason); + ht_dbg(sta->sdata, + "Rx BA session stop requested for %pM tid %u %s reason: %d\n", + sta->sta.addr, tid, + initiator == WLAN_BACK_RECIPIENT ? "recipient" : "inititator", + (int)reason); if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP, &sta->sta, tid, NULL, 0)) - pr_debug("HW problem - can not stop rx aggregation for tid %d\n", - tid); + sdata_info(sta->sdata, + "HW problem - can not stop rx aggregation for tid %d\n", + tid); /* check if this is a self generated aggregation halt */ if (initiator == WLAN_BACK_RECIPIENT && tx) @@ -157,7 +159,7 @@ static void sta_rx_agg_session_timer_expired(unsigned long data) } rcu_read_unlock(); - ht_vdbg("rx session timer expired on tid %d\n", (u16)*ptid); + ht_dbg(sta->sdata, "rx session timer expired on tid %d\n", (u16)*ptid); set_bit(*ptid, sta->ampdu_mlme.tid_rx_timer_expired); ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work); @@ -245,7 +247,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, status = WLAN_STATUS_REQUEST_DECLINED; if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { - ht_vdbg("Suspend in progress - Denying ADDBA request\n"); + ht_dbg(sta->sdata, "Suspend in progress - Denying ADDBA request\n"); goto end_no_lock; } @@ -257,10 +259,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_DELAY_BA))) || (buf_size > IEEE80211_MAX_AMPDU_BUF)) { status = WLAN_STATUS_INVALID_QOS_PARAM; -#ifdef CONFIG_MAC80211_HT_DEBUG - net_dbg_ratelimited("AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n", - mgmt->sa, tid, ba_policy, buf_size); -#endif /* CONFIG_MAC80211_HT_DEBUG */ + ht_dbg_ratelimited(sta->sdata, + "AddBA Req with bad params from %pM on tid %u. policy %d, buffer size %d\n", + mgmt->sa, tid, ba_policy, buf_size); goto end_no_lock; } /* determine default buffer size */ @@ -275,10 +276,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, mutex_lock(&sta->ampdu_mlme.mtx); if (sta->ampdu_mlme.tid_rx[tid]) { -#ifdef CONFIG_MAC80211_HT_DEBUG - net_dbg_ratelimited("unexpected AddBA Req from %pM on tid %u\n", - mgmt->sa, tid); -#endif /* CONFIG_MAC80211_HT_DEBUG */ + ht_dbg_ratelimited(sta->sdata, + "unexpected AddBA Req from %pM on tid %u\n", + mgmt->sa, tid); /* delete existing Rx BA session on the same tid */ ___ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_RECIPIENT, @@ -317,7 +317,7 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START, &sta->sta, tid, &start_seq_num, 0); - ht_vdbg("Rx A-MPDU request on tid %d result %d\n", tid, ret); + ht_dbg(sta->sdata, "Rx A-MPDU request on tid %d result %d\n", tid, ret); if (ret) { kfree(tid_agg_rx->reorder_buf); kfree(tid_agg_rx->reorder_time); diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index da07f01..5cc1bf7 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -184,8 +184,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, spin_unlock_bh(&sta->lock); - ht_vdbg("Tx BA session stop requested for %pM tid %u\n", - sta->sta.addr, tid); + ht_dbg(sta->sdata, "Tx BA session stop requested for %pM tid %u\n", + sta->sta.addr, tid); del_timer_sync(&tid_tx->addba_resp_timer); del_timer_sync(&tid_tx->session_timer); @@ -251,12 +251,13 @@ static void sta_addba_resp_timer_expired(unsigned long data) if (!tid_tx || test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) { rcu_read_unlock(); - ht_vdbg("timer expired on tid %d but we are not (or no longer) expecting addBA response there\n", - tid); + ht_dbg(sta->sdata, + "timer expired on tid %d but we are not (or no longer) expecting addBA response there\n", + tid); return; } - ht_vdbg("addBA response timer expired on tid %d\n", tid); + ht_dbg(sta->sdata, "addBA response timer expired on tid %d\n", tid); ieee80211_stop_tx_ba_session(&sta->sta, tid); rcu_read_unlock(); @@ -316,8 +317,9 @@ ieee80211_agg_splice_packets(struct ieee80211_sub_if_data *sdata, ieee80211_stop_queue_agg(sdata, tid); - if (WARN(!tid_tx, "TID %d gone but expected when splicing aggregates" - " from the pending queue\n", tid)) + if (WARN(!tid_tx, + "TID %d gone but expected when splicing aggregates from the pending queue\n", + tid)) return; if (!skb_queue_empty(&tid_tx->pending)) { @@ -365,7 +367,8 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) ret = drv_ampdu_action(local, sdata, IEEE80211_AMPDU_TX_START, &sta->sta, tid, &start_seq_num, 0); if (ret) { - ht_vdbg("BA request denied - HW unavailable for tid %d\n", tid); + ht_dbg(sdata, + "BA request denied - HW unavailable for tid %d\n", tid); spin_lock_bh(&sta->lock); ieee80211_agg_splice_packets(sdata, tid_tx, tid); ieee80211_assign_tid_tx(sta, tid, NULL); @@ -378,7 +381,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) /* activate the timer for the recipient's addBA response */ mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); - ht_vdbg("activated addBA response timer on tid %d\n", tid); + ht_dbg(sdata, "activated addBA response timer on tid %d\n", tid); spin_lock_bh(&sta->lock); sta->ampdu_mlme.last_addba_req_time[tid] = jiffies; @@ -425,7 +428,7 @@ static void sta_tx_agg_session_timer_expired(unsigned long data) rcu_read_unlock(); - ht_vdbg("tx session timer expired on tid %d\n", (u16)*ptid); + ht_dbg(sta->sdata, "tx session timer expired on tid %d\n", (u16)*ptid); ieee80211_stop_tx_ba_session(&sta->sta, *ptid); } @@ -449,8 +452,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW)) return -EINVAL; - ht_vdbg("Open BA session requested for %pM tid %u\n", - pubsta->addr, tid); + ht_dbg(sdata, "Open BA session requested for %pM tid %u\n", + pubsta->addr, tid); if (sdata->vif.type != NL80211_IFTYPE_STATION && sdata->vif.type != NL80211_IFTYPE_MESH_POINT && @@ -460,7 +463,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, return -EINVAL; if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { - ht_vdbg("BA sessions blocked - Denying BA session request\n"); + ht_dbg(sdata, + "BA sessions blocked - Denying BA session request\n"); return -EINVAL; } @@ -478,8 +482,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, */ if (sta->sdata->vif.type == NL80211_IFTYPE_ADHOC && !sta->sta.ht_cap.ht_supported) { - ht_vdbg("BA request denied - IBSS STA %pM does not advertise HT support\n", - pubsta->addr); + ht_dbg(sdata, + "BA request denied - IBSS STA %pM does not advertise HT support\n", + pubsta->addr); return -EINVAL; } @@ -499,8 +504,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_BURST_RETRIES && time_before(jiffies, sta->ampdu_mlme.last_addba_req_time[tid] + HT_AGG_RETRIES_PERIOD)) { - ht_vdbg("BA request denied - waiting a grace period after %d failed requests on tid %u\n", - sta->ampdu_mlme.addba_req_num[tid], tid); + ht_dbg(sdata, + "BA request denied - waiting a grace period after %d failed requests on tid %u\n", + sta->ampdu_mlme.addba_req_num[tid], tid); ret = -EBUSY; goto err_unlock_sta; } @@ -508,8 +514,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, tid_tx = rcu_dereference_protected_tid_tx(sta, tid); /* check if the TID is not in aggregation flow already */ if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) { - ht_vdbg("BA request denied - session is not idle on tid %u\n", - tid); + ht_dbg(sdata, + "BA request denied - session is not idle on tid %u\n", + tid); ret = -EAGAIN; goto err_unlock_sta; } @@ -564,7 +571,7 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local, tid_tx = rcu_dereference_protected_tid_tx(sta, tid); - ht_vdbg("Aggregation is on for tid %d\n", tid); + ht_dbg(sta->sdata, "Aggregation is on for tid %d\n", tid); drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_TX_OPERATIONAL, @@ -598,7 +605,8 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid) trace_api_start_tx_ba_cb(sdata, ra, tid); if (tid >= STA_TID_NUM) { - ht_vdbg("Bad TID value: tid = %d (>= %d)\n", tid, STA_TID_NUM); + ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n", + tid, STA_TID_NUM); return; } @@ -606,7 +614,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid) sta = sta_info_get_bss(sdata, ra); if (!sta) { mutex_unlock(&local->sta_mtx); - ht_vdbg("Could not find station: %pM\n", ra); + ht_dbg(sdata, "Could not find station: %pM\n", ra); return; } @@ -614,7 +622,7 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid) tid_tx = rcu_dereference_protected_tid_tx(sta, tid); if (WARN_ON(!tid_tx)) { - ht_vdbg("addBA was not requested!\n"); + ht_dbg(sdata, "addBA was not requested!\n"); goto unlock; } @@ -714,17 +722,18 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid) trace_api_stop_tx_ba_cb(sdata, ra, tid); if (tid >= STA_TID_NUM) { - ht_vdbg("Bad TID value: tid = %d (>= %d)\n", tid, STA_TID_NUM); + ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n", + tid, STA_TID_NUM); return; } - ht_vdbg("Stopping Tx BA session for %pM tid %d\n", ra, tid); + ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n", ra, tid); mutex_lock(&local->sta_mtx); sta = sta_info_get_bss(sdata, ra); if (!sta) { - ht_vdbg("Could not find station: %pM\n", ra); + ht_dbg(sdata, "Could not find station: %pM\n", ra); goto unlock; } @@ -733,7 +742,7 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid) tid_tx = rcu_dereference_protected_tid_tx(sta, tid); if (!tid_tx || !test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { - ht_vdbg("unexpected callback to A-MPDU stop\n"); + ht_dbg(sdata, "unexpected callback to A-MPDU stop\n"); goto unlock_sta; } @@ -809,13 +818,13 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, goto out; if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) { - ht_vdbg("wrong addBA response token, tid %d\n", tid); + ht_dbg(sta->sdata, "wrong addBA response token, tid %d\n", tid); goto out; } del_timer_sync(&tid_tx->addba_resp_timer); - ht_vdbg("switched off addBA timer for tid %d\n", tid); + ht_dbg(sta->sdata, "switched off addBA timer for tid %d\n", tid); /* * addba_resp_timer may have fired before we got here, and @@ -824,8 +833,9 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, */ if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) || test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { - ht_vdbg("got addBA resp for tid %d but we already gave up\n", - tid); + ht_dbg(sta->sdata, + "got addBA resp for tid %d but we already gave up\n", + tid); goto out; } diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 85ac364..c2a2dcb 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -353,6 +353,7 @@ void sta_set_rate_info_tx(struct sta_info *sta, static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) { struct ieee80211_sub_if_data *sdata = sta->sdata; + struct ieee80211_local *local = sdata->local; struct timespec uptime; sinfo->generation = sdata->local->sta_generation; @@ -388,7 +389,9 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { sinfo->filled |= STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG; - sinfo->signal = (s8)sta->last_signal; + if (!local->ops->get_rssi || + drv_get_rssi(local, sdata, &sta->sta, &sinfo->signal)) + sinfo->signal = (s8)sta->last_signal; sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal); } @@ -517,7 +520,7 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy, * network device. */ - rcu_read_lock(); + mutex_lock(&local->sta_mtx); if (sdata->vif.type == NL80211_IFTYPE_STATION) { sta = sta_info_get_bss(sdata, sdata->u.mgd.bssid); @@ -546,7 +549,7 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy, data[i] = (u8)sinfo.signal_avg; i++; } else { - list_for_each_entry_rcu(sta, &local->sta_list, list) { + list_for_each_entry(sta, &local->sta_list, list) { /* Make sure this station belongs to the proper dev */ if (sta->sdata->dev != dev) continue; @@ -603,7 +606,7 @@ do_survey: else data[i++] = -1LL; - rcu_read_unlock(); + mutex_unlock(&local->sta_mtx); if (WARN_ON(i != STA_STATS_LEN)) return; @@ -629,10 +632,11 @@ static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *mac, struct station_info *sinfo) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct sta_info *sta; int ret = -ENOENT; - rcu_read_lock(); + mutex_lock(&local->sta_mtx); sta = sta_info_get_by_idx(sdata, idx); if (sta) { @@ -641,7 +645,7 @@ static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, sta_set_sinfo(sta, sinfo); } - rcu_read_unlock(); + mutex_unlock(&local->sta_mtx); return ret; } @@ -658,10 +662,11 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_info *sinfo) { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; struct sta_info *sta; int ret = -ENOENT; - rcu_read_lock(); + mutex_lock(&local->sta_mtx); sta = sta_info_get_bss(sdata, mac); if (sta) { @@ -669,7 +674,7 @@ static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, sta_set_sinfo(sta, sinfo); } - rcu_read_unlock(); + mutex_unlock(&local->sta_mtx); return ret; } @@ -689,7 +694,8 @@ static int ieee80211_set_channel(struct wiphy *wiphy, case CHAN_MODE_HOPPING: return -EBUSY; case CHAN_MODE_FIXED: - if (local->oper_channel != chan) + if (local->oper_channel != chan || + (!sdata && local->_oper_channel_type != channel_type)) return -EBUSY; if (!sdata && local->_oper_channel_type == channel_type) return 0; @@ -1529,7 +1535,7 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy, if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) conf->dot11MeshTTL = nconf->dot11MeshTTL; if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) - conf->dot11MeshTTL = nconf->element_ttl; + conf->element_ttl = nconf->element_ttl; if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) conf->auto_open_plinks = nconf->auto_open_plinks; if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask)) @@ -1564,17 +1570,16 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy, * announcements, so require this ifmsh to also be a root node * */ if (nconf->dot11MeshGateAnnouncementProtocol && - !conf->dot11MeshHWMPRootMode) { - conf->dot11MeshHWMPRootMode = 1; + !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) { + conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN; ieee80211_mesh_root_setup(ifmsh); } conf->dot11MeshGateAnnouncementProtocol = nconf->dot11MeshGateAnnouncementProtocol; } - if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) { + if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask)) conf->dot11MeshHWMPRannInterval = nconf->dot11MeshHWMPRannInterval; - } if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask)) conf->dot11MeshForwarding = nconf->dot11MeshForwarding; if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) { @@ -1590,6 +1595,15 @@ static int ieee80211_update_mesh_config(struct wiphy *wiphy, sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode; ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); } + if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask)) + conf->dot11MeshHWMPactivePathToRootTimeout = + nconf->dot11MeshHWMPactivePathToRootTimeout; + if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask)) + conf->dot11MeshHWMProotInterval = + nconf->dot11MeshHWMProotInterval; + if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask)) + conf->dot11MeshHWMPconfirmationInterval = + nconf->dot11MeshHWMPconfirmationInterval; return 0; } @@ -2309,6 +2323,21 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, mutex_lock(&local->mtx); list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { + struct ieee80211_roc_work *dep, *tmp2; + + list_for_each_entry_safe(dep, tmp2, &roc->dependents, list) { + if (!mgmt_tx && (unsigned long)dep != cookie) + continue; + else if (mgmt_tx && dep->mgmt_tx_cookie != cookie) + continue; + /* found dependent item -- just remove it */ + list_del(&dep->list); + mutex_unlock(&local->mtx); + + ieee80211_roc_notify_destroy(dep); + return 0; + } + if (!mgmt_tx && (unsigned long)roc != cookie) continue; else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) @@ -2323,6 +2352,13 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, return -ENOENT; } + /* + * We found the item to cancel, so do that. Note that it + * may have dependents, which we also cancel (and send + * the expired signal for.) Not doing so would be quite + * tricky here, but we may need to fix it later. + */ + if (local->ops->remain_on_channel) { if (found->started) { ret = drv_cancel_remain_on_channel(local); @@ -2334,8 +2370,8 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, list_del(&found->list); - ieee80211_run_deferred_scan(local); - ieee80211_start_next_roc(local); + if (found->started) + ieee80211_start_next_roc(local); mutex_unlock(&local->mtx); ieee80211_roc_notify_destroy(found); @@ -2489,16 +2525,30 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, u16 frame_type, bool reg) { struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) - return; + switch (frame_type) { + case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: + if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { + struct ieee80211_if_ibss *ifibss = &sdata->u.ibss; - if (reg) - local->probe_req_reg++; - else - local->probe_req_reg--; + if (reg) + ifibss->auth_frame_registrations++; + else + ifibss->auth_frame_registrations--; + } + break; + case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ: + if (reg) + local->probe_req_reg++; + else + local->probe_req_reg--; - ieee80211_queue_work(&local->hw, &local->reconfig_filter); + ieee80211_queue_work(&local->hw, &local->reconfig_filter); + break; + default: + break; + } } static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) @@ -2724,9 +2774,8 @@ static int ieee80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, !sdata->u.mgd.associated) return -EINVAL; -#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG - pr_debug("TDLS mgmt action %d peer %pM\n", action_code, peer); -#endif + tdls_dbg(sdata, "TDLS mgmt action %d peer %pM\n", + action_code, peer); skb = dev_alloc_skb(local->hw.extra_tx_headroom + max(sizeof(struct ieee80211_mgmt), @@ -2835,9 +2884,7 @@ static int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, if (sdata->vif.type != NL80211_IFTYPE_STATION) return -EINVAL; -#ifdef CONFIG_MAC80211_VERBOSE_TDLS_DEBUG - pr_debug("TDLS oper %d peer %pM\n", oper, peer); -#endif + tdls_dbg(sdata, "TDLS oper %d peer %pM\n", oper, peer); switch (oper) { case NL80211_TDLS_ENABLE_LINK: diff --git a/net/mac80211/debug.h b/net/mac80211/debug.h new file mode 100644 index 0000000..8f383a5 --- /dev/null +++ b/net/mac80211/debug.h @@ -0,0 +1,170 @@ +#ifndef __MAC80211_DEBUG_H +#define __MAC80211_DEBUG_H +#include <net/cfg80211.h> + +#ifdef CONFIG_MAC80211_IBSS_DEBUG +#define MAC80211_IBSS_DEBUG 1 +#else +#define MAC80211_IBSS_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_PS_DEBUG +#define MAC80211_PS_DEBUG 1 +#else +#define MAC80211_PS_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_HT_DEBUG +#define MAC80211_HT_DEBUG 1 +#else +#define MAC80211_HT_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_MPL_DEBUG +#define MAC80211_MPL_DEBUG 1 +#else +#define MAC80211_MPL_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_MPATH_DEBUG +#define MAC80211_MPATH_DEBUG 1 +#else +#define MAC80211_MPATH_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_MHWMP_DEBUG +#define MAC80211_MHWMP_DEBUG 1 +#else +#define MAC80211_MHWMP_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_MESH_SYNC_DEBUG +#define MAC80211_MESH_SYNC_DEBUG 1 +#else +#define MAC80211_MESH_SYNC_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_TDLS_DEBUG +#define MAC80211_TDLS_DEBUG 1 +#else +#define MAC80211_TDLS_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_STA_DEBUG +#define MAC80211_STA_DEBUG 1 +#else +#define MAC80211_STA_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_MLME_DEBUG +#define MAC80211_MLME_DEBUG 1 +#else +#define MAC80211_MLME_DEBUG 0 +#endif + +#ifdef CONFIG_MAC80211_MESSAGE_TRACING +void __sdata_info(const char *fmt, ...) __printf(1, 2); +void __sdata_dbg(bool print, const char *fmt, ...) __printf(2, 3); +void __sdata_err(const char *fmt, ...) __printf(1, 2); +void __wiphy_dbg(struct wiphy *wiphy, bool print, const char *fmt, ...) + __printf(3, 4); + +#define _sdata_info(sdata, fmt, ...) \ + __sdata_info("%s: " fmt, (sdata)->name, ##__VA_ARGS__) +#define _sdata_dbg(print, sdata, fmt, ...) \ + __sdata_dbg(print, "%s: " fmt, (sdata)->name, ##__VA_ARGS__) +#define _sdata_err(sdata, fmt, ...) \ + __sdata_err("%s: " fmt, (sdata)->name, ##__VA_ARGS__) +#define _wiphy_dbg(print, wiphy, fmt, ...) \ + __wiphy_dbg(wiphy, print, fmt, ##__VA_ARGS__) +#else +#define _sdata_info(sdata, fmt, ...) \ +do { \ + pr_info("%s: " fmt, \ + (sdata)->name, ##__VA_ARGS__); \ +} while (0) + +#define _sdata_dbg(print, sdata, fmt, ...) \ +do { \ + if (print) \ + pr_debug("%s: " fmt, \ + (sdata)->name, ##__VA_ARGS__); \ +} while (0) + +#define _sdata_err(sdata, fmt, ...) \ +do { \ + pr_err("%s: " fmt, \ + (sdata)->name, ##__VA_ARGS__); \ +} while (0) + +#define _wiphy_dbg(print, wiphy, fmt, ...) \ +do { \ + if (print) \ + wiphy_dbg((wiphy), fmt, ##__VA_ARGS__); \ +} while (0) +#endif + +#define sdata_info(sdata, fmt, ...) \ + _sdata_info(sdata, fmt, ##__VA_ARGS__) +#define sdata_err(sdata, fmt, ...) \ + _sdata_err(sdata, fmt, ##__VA_ARGS__) +#define sdata_dbg(sdata, fmt, ...) \ + _sdata_dbg(1, sdata, fmt, ##__VA_ARGS__) + +#define ht_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_HT_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define ht_dbg_ratelimited(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_HT_DEBUG && net_ratelimit(), \ + sdata, fmt, ##__VA_ARGS__) + +#define ibss_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_IBSS_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define ps_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_PS_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define ps_dbg_hw(hw, fmt, ...) \ + _wiphy_dbg(MAC80211_PS_DEBUG, \ + (hw)->wiphy, fmt, ##__VA_ARGS__) + +#define ps_dbg_ratelimited(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_PS_DEBUG && net_ratelimit(), \ + sdata, fmt, ##__VA_ARGS__) + +#define mpl_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MPL_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define mpath_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MPATH_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define mhwmp_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MHWMP_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define msync_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MESH_SYNC_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define tdls_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_TDLS_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define sta_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_STA_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define mlme_dbg(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MLME_DEBUG, \ + sdata, fmt, ##__VA_ARGS__) + +#define mlme_dbg_ratelimited(sdata, fmt, ...) \ + _sdata_dbg(MAC80211_MLME_DEBUG && net_ratelimit(), \ + sdata, fmt, ##__VA_ARGS__) + +#endif /* __MAC80211_DEBUG_H */ diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index d4272ff..6d5aec9 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -468,48 +468,54 @@ IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC); IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC); IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC); IEEE80211_IF_FILE(dropped_frames_congestion, - u.mesh.mshstats.dropped_frames_congestion, DEC); + u.mesh.mshstats.dropped_frames_congestion, DEC); IEEE80211_IF_FILE(dropped_frames_no_route, - u.mesh.mshstats.dropped_frames_no_route, DEC); + u.mesh.mshstats.dropped_frames_no_route, DEC); IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC); /* Mesh parameters */ IEEE80211_IF_FILE(dot11MeshMaxRetries, - u.mesh.mshcfg.dot11MeshMaxRetries, DEC); + u.mesh.mshcfg.dot11MeshMaxRetries, DEC); IEEE80211_IF_FILE(dot11MeshRetryTimeout, - u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); + u.mesh.mshcfg.dot11MeshRetryTimeout, DEC); IEEE80211_IF_FILE(dot11MeshConfirmTimeout, - u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); + u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC); IEEE80211_IF_FILE(dot11MeshHoldingTimeout, - u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); + u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC); IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC); IEEE80211_IF_FILE(element_ttl, u.mesh.mshcfg.element_ttl, DEC); IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC); IEEE80211_IF_FILE(dot11MeshMaxPeerLinks, - u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); + u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC); IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout, - u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); + u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC); IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval, - u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); + u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC); IEEE80211_IF_FILE(dot11MeshHWMPperrMinInterval, - u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); + u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, DEC); IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime, - u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); + u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC); IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries, - u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); + u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC); IEEE80211_IF_FILE(path_refresh_time, - u.mesh.mshcfg.path_refresh_time, DEC); + u.mesh.mshcfg.path_refresh_time, DEC); IEEE80211_IF_FILE(min_discovery_timeout, - u.mesh.mshcfg.min_discovery_timeout, DEC); + u.mesh.mshcfg.min_discovery_timeout, DEC); IEEE80211_IF_FILE(dot11MeshHWMPRootMode, - u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); + u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC); IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, - u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); + u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, - u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); + u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC); IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC); IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC); IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC); +IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, + u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC); +IEEE80211_IF_FILE(dot11MeshHWMProotInterval, + u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC); +IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, + u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC); #endif #define DEBUGFS_ADD_MODE(name, mode) \ @@ -611,6 +617,9 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata) MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); MESHPARAMS_ADD(rssi_threshold); MESHPARAMS_ADD(ht_opmode); + MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); + MESHPARAMS_ADD(dot11MeshHWMProotInterval); + MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); #undef MESHPARAMS_ADD } #endif @@ -686,6 +695,7 @@ void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata) sprintf(buf, "netdev:%s", sdata->name); if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) - pr_err("mac80211: debugfs: failed to rename debugfs " - "dir to %s\n", buf); + sdata_err(sdata, + "debugfs: failed to rename debugfs dir to %s\n", + buf); } diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 6d33a0c..44e8c12 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -3,7 +3,7 @@ #include <net/mac80211.h> #include "ieee80211_i.h" -#include "driver-trace.h" +#include "trace.h" static inline void check_sdata_in_driver(struct ieee80211_sub_if_data *sdata) { @@ -845,4 +845,19 @@ drv_allow_buffered_frames(struct ieee80211_local *local, more_data); trace_drv_return_void(local); } + +static inline int drv_get_rssi(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_sta *sta, + s8 *rssi_dbm) +{ + int ret; + + might_sleep(); + + ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm); + trace_drv_get_rssi(local, sta, *rssi_dbm, ret); + + return ret; +} #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/driver-trace.c b/net/mac80211/driver-trace.c deleted file mode 100644 index 8ed8711..0000000 --- a/net/mac80211/driver-trace.c +++ /dev/null @@ -1,9 +0,0 @@ -/* bug in tracepoint.h, it should include this */ -#include <linux/module.h> - -/* sparse isn't too happy with all macros... */ -#ifndef __CHECKER__ -#include "driver-ops.h" -#define CREATE_TRACE_POINTS -#include "driver-trace.h" -#endif diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index 6f8615c..4b4538d 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -305,12 +305,10 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata, tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12; initiator = (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) >> 11; -#ifdef CONFIG_MAC80211_HT_DEBUG - net_dbg_ratelimited("delba from %pM (%s) tid %d reason code %d\n", - mgmt->sa, initiator ? "initiator" : "recipient", - tid, - le16_to_cpu(mgmt->u.action.u.delba.reason_code)); -#endif /* CONFIG_MAC80211_HT_DEBUG */ + ht_dbg_ratelimited(sdata, "delba from %pM (%s) tid %d reason code %d\n", + mgmt->sa, initiator ? "initiator" : "recipient", + tid, + le16_to_cpu(mgmt->u.action.u.delba.reason_code)); if (initiator == WLAN_BACK_INITIATOR) __ieee80211_stop_rx_ba_session(sta, tid, WLAN_BACK_INITIATOR, 0, diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 725cb4b..5746d62 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -261,11 +261,7 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta, memcpy(addr, sta->sta.addr, ETH_ALEN); -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(sdata->local->hw.wiphy, - "Adding new IBSS station %pM (dev=%s)\n", - addr, sdata->name); -#endif + ibss_dbg(sdata, "Adding new IBSS station %pM\n", addr); sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); @@ -279,9 +275,10 @@ static struct sta_info *ieee80211_ibss_finish_sta(struct sta_info *sta, /* If it fails, maybe we raced another insertion? */ if (sta_info_insert_rcu(sta)) return sta_info_get(sdata, addr); - if (auth) { - ibss_vdbg("TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n", - sdata->vif.addr, sdata->u.ibss.bssid, addr); + if (auth && !sdata->u.ibss.auth_frame_registrations) { + ibss_dbg(sdata, + "TX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=1)\n", + sdata->vif.addr, sdata->u.ibss.bssid, addr); ieee80211_send_auth(sdata, 1, WLAN_AUTH_OPEN, NULL, 0, addr, sdata->u.ibss.bssid, NULL, 0, 0); } @@ -304,7 +301,7 @@ ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata, * allow new one to be added. */ if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) { - net_dbg_ratelimited("%s: No room for a new IBSS STA entry %pM\n", + net_info_ratelimited("%s: No room for a new IBSS STA entry %pM\n", sdata->name, addr); rcu_read_lock(); return NULL; @@ -351,9 +348,9 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata, if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1) return; - ibss_vdbg("%s: RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n", - sdata->name, mgmt->sa, mgmt->da, mgmt->bssid, - auth_transaction); + ibss_dbg(sdata, + "RX Auth SA=%pM DA=%pM BSSID=%pM (auth_transaction=%d)\n", + mgmt->sa, mgmt->da, mgmt->bssid, auth_transaction); sta_info_destroy_addr(sdata, mgmt->sa); ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, 0, false); rcu_read_unlock(); @@ -416,10 +413,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, ieee80211_mandatory_rates(local, band); if (sta->sta.supp_rates[band] != prev_rates) { - ibss_vdbg("%s: updated supp_rates set for %pM based on beacon/probe_resp (0x%x -> 0x%x)\n", - sdata->name, sta->sta.addr, - prev_rates, - sta->sta.supp_rates[band]); + ibss_dbg(sdata, + "updated supp_rates set for %pM based on beacon/probe_resp (0x%x -> 0x%x)\n", + sta->sta.addr, prev_rates, + sta->sta.supp_rates[band]); rates_updated = true; } } else { @@ -534,16 +531,18 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata, rx_timestamp = drv_get_tsf(local, sdata); } - ibss_vdbg("RX beacon SA=%pM BSSID=%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n", - mgmt->sa, mgmt->bssid, - (unsigned long long)rx_timestamp, - (unsigned long long)beacon_timestamp, - (unsigned long long)(rx_timestamp - beacon_timestamp), - jiffies); + ibss_dbg(sdata, + "RX beacon SA=%pM BSSID=%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n", + mgmt->sa, mgmt->bssid, + (unsigned long long)rx_timestamp, + (unsigned long long)beacon_timestamp, + (unsigned long long)(rx_timestamp - beacon_timestamp), + jiffies); if (beacon_timestamp > rx_timestamp) { - ibss_vdbg("%s: beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n", - sdata->name, mgmt->bssid); + ibss_dbg(sdata, + "beacon TSF higher than local TSF - IBSS merge with BSSID %pM\n", + mgmt->bssid); ieee80211_sta_join_ibss(sdata, bss); supp_rates = ieee80211_sta_get_rates(local, elems, band, NULL); ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa, @@ -569,7 +568,7 @@ void ieee80211_ibss_rx_no_sta(struct ieee80211_sub_if_data *sdata, * allow new one to be added. */ if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) { - net_dbg_ratelimited("%s: No room for a new IBSS STA entry %pM\n", + net_info_ratelimited("%s: No room for a new IBSS STA entry %pM\n", sdata->name, addr); return; } @@ -645,8 +644,8 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata) if (ifibss->fixed_channel) return; - pr_debug("%s: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)\n", - sdata->name); + sdata_info(sdata, + "No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)\n"); ieee80211_request_internal_scan(sdata, ifibss->ssid, ifibss->ssid_len, NULL); @@ -674,8 +673,7 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata) bssid[0] |= 0x02; } - pr_debug("%s: Creating new IBSS network, BSSID %pM\n", - sdata->name, bssid); + sdata_info(sdata, "Creating new IBSS network, BSSID %pM\n", bssid); capability = WLAN_CAPABILITY_IBSS; @@ -706,8 +704,7 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) lockdep_assert_held(&ifibss->mtx); active_ibss = ieee80211_sta_active_ibss(sdata); - ibss_vdbg("%s: sta_find_ibss (active_ibss=%d)\n", - sdata->name, active_ibss); + ibss_dbg(sdata, "sta_find_ibss (active_ibss=%d)\n", active_ibss); if (active_ibss) return; @@ -730,23 +727,24 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) struct ieee80211_bss *bss; bss = (void *)cbss->priv; - ibss_vdbg(" sta_find_ibss: selected %pM current %pM\n", - cbss->bssid, ifibss->bssid); - pr_debug("%s: Selected IBSS BSSID %pM based on configured SSID\n", - sdata->name, cbss->bssid); + ibss_dbg(sdata, + "sta_find_ibss: selected %pM current %pM\n", + cbss->bssid, ifibss->bssid); + sdata_info(sdata, + "Selected IBSS BSSID %pM based on configured SSID\n", + cbss->bssid); ieee80211_sta_join_ibss(sdata, bss); ieee80211_rx_bss_put(local, bss); return; } - ibss_vdbg(" did not try to join ibss\n"); + ibss_dbg(sdata, "sta_find_ibss: did not try to join ibss\n"); /* Selected IBSS not found in current scan results - try to scan */ if (time_after(jiffies, ifibss->last_scan_completed + IEEE80211_SCAN_INTERVAL)) { - pr_debug("%s: Trigger new scan to find an IBSS to join\n", - sdata->name); + sdata_info(sdata, "Trigger new scan to find an IBSS to join\n"); ieee80211_request_internal_scan(sdata, ifibss->ssid, ifibss->ssid_len, @@ -760,9 +758,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata) ieee80211_sta_create_ibss(sdata); return; } - pr_debug("%s: IBSS not allowed on %d MHz\n", - sdata->name, - local->hw.conf.channel->center_freq); + sdata_info(sdata, "IBSS not allowed on %d MHz\n", + local->hw.conf.channel->center_freq); /* No IBSS found - decrease scan interval and continue * scanning. */ @@ -797,9 +794,9 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, tx_last_beacon = drv_tx_last_beacon(local); - ibss_vdbg("%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM (tx_last_beacon=%d)\n", - sdata->name, mgmt->sa, mgmt->da, - mgmt->bssid, tx_last_beacon); + ibss_dbg(sdata, + "RX ProbeReq SA=%pM DA=%pM BSSID=%pM (tx_last_beacon=%d)\n", + mgmt->sa, mgmt->da, mgmt->bssid, tx_last_beacon); if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da)) return; @@ -812,8 +809,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, pos = mgmt->u.probe_req.variable; if (pos[0] != WLAN_EID_SSID || pos + 2 + pos[1] > end) { - ibss_vdbg("%s: Invalid SSID IE in ProbeReq from %pM\n", - sdata->name, mgmt->sa); + ibss_dbg(sdata, "Invalid SSID IE in ProbeReq from %pM\n", + mgmt->sa); return; } if (pos[1] != 0 && @@ -830,7 +827,7 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata, resp = (struct ieee80211_mgmt *) skb->data; memcpy(resp->da, mgmt->sa, ETH_ALEN); - ibss_vdbg("%s: Sending ProbeResp to %pM\n", sdata->name, resp->da); + ibss_dbg(sdata, "Sending ProbeResp to %pM\n", resp->da); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; ieee80211_tx_skb(sdata, skb); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index e6cbf5b..f834a00 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -30,6 +30,7 @@ #include <net/mac80211.h> #include "key.h" #include "sta_info.h" +#include "debug.h" struct ieee80211_local; @@ -55,11 +56,14 @@ struct ieee80211_local; #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) +/* + * Some APs experience problems when working with U-APSD. Decrease the + * probability of that happening by using legacy mode for all ACs but VO. + * The AP that caused us trouble was a Cisco 4410N. It ignores our + * setting, and always treats non-VO ACs as legacy. + */ #define IEEE80211_DEFAULT_UAPSD_QUEUES \ - (IEEE80211_WMM_IE_STA_QOSINFO_AC_BK | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_BE | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VI | \ - IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) + IEEE80211_WMM_IE_STA_QOSINFO_AC_VO #define IEEE80211_DEFAULT_MAX_SP_LEN \ IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL @@ -508,6 +512,7 @@ struct ieee80211_if_ibss { bool privacy; bool control_port; + unsigned int auth_frame_registrations; u8 bssid[ETH_ALEN] __aligned(2); u8 ssid[IEEE80211_MAX_SSID_LEN]; @@ -677,6 +682,9 @@ struct ieee80211_sub_if_data { /* TID bitmap for NoAck policy */ u16 noack_map; + /* bit field of ACM bits (BIT(802.1D tag)) */ + u8 wmm_acm; + struct ieee80211_key __rcu *keys[NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS]; struct ieee80211_key __rcu *default_unicast_key; struct ieee80211_key __rcu *default_multicast_key; @@ -881,6 +889,9 @@ struct ieee80211_local { /* device is started */ bool started; + /* device is during a HW reconfig */ + bool in_reconfig; + /* wowlan is enabled -- don't reconfig on resume */ bool wowlan; @@ -1019,7 +1030,6 @@ struct ieee80211_local { int total_ps_buffered; /* total number of all buffered unicast and * multicast packets for power saving stations */ - unsigned int wmm_acm; /* bit field of ACM bits (BIT(802.1D tag)) */ bool pspolling; bool offchannel_ps_enabled; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 87aeb4f..58c2ab3 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -57,9 +57,6 @@ static int ieee80211_change_mtu(struct net_device *dev, int new_mtu) return -EINVAL; } -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - pr_debug("%s: setting MTU %d\n", dev->name, new_mtu); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ dev->mtu = new_mtu; return 0; } @@ -100,15 +97,12 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; struct ieee80211_sub_if_data *nsdata; - struct net_device *dev = sdata->dev; ASSERT_RTNL(); /* we hold the RTNL here so can safely walk the list */ list_for_each_entry(nsdata, &local->interfaces, list) { - struct net_device *ndev = nsdata->dev; - - if (ndev != dev && ieee80211_sdata_running(nsdata)) { + if (nsdata != sdata && ieee80211_sdata_running(nsdata)) { /* * Allow only a single IBSS interface to be up at any * time. This is restricted because beacon distribution @@ -127,7 +121,8 @@ static int ieee80211_check_concurrent_iface(struct ieee80211_sub_if_data *sdata, * The remaining checks are only performed for interfaces * with the same MAC address. */ - if (!ether_addr_equal(dev->dev_addr, ndev->dev_addr)) + if (!ether_addr_equal(sdata->vif.addr, + nsdata->vif.addr)) continue; /* @@ -808,7 +803,7 @@ static u16 ieee80211_monitor_select_queue(struct net_device *dev, hdr = (void *)((u8 *)skb->data + le16_to_cpu(rtap->it_len)); - return ieee80211_select_queue_80211(local, skb, hdr); + return ieee80211_select_queue_80211(sdata, skb, hdr); } static const struct net_device_ops ieee80211_monitorif_ops = { @@ -1223,7 +1218,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local, if (__ffs64(mask) + hweight64(mask) != fls64(mask)) { /* not a contiguous mask ... not handled now! */ - pr_debug("not contiguous\n"); + pr_info("not contiguous\n"); break; } @@ -1414,10 +1409,6 @@ static u32 ieee80211_idle_off(struct ieee80211_local *local, if (!(local->hw.conf.flags & IEEE80211_CONF_IDLE)) return 0; -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, "device no longer idle - %s\n", reason); -#endif - local->hw.conf.flags &= ~IEEE80211_CONF_IDLE; return IEEE80211_CONF_CHANGE_IDLE; } @@ -1427,10 +1418,6 @@ static u32 ieee80211_idle_on(struct ieee80211_local *local) if (local->hw.conf.flags & IEEE80211_CONF_IDLE) return 0; -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, "device now idle\n"); -#endif - drv_flush(local, false); local->hw.conf.flags |= IEEE80211_CONF_IDLE; diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 5bb600d..b3b7e52 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -139,7 +139,7 @@ static int ieee80211_key_enable_hw_accel(struct ieee80211_key *key) } if (ret != -ENOSPC && ret != -EOPNOTSUPP) - wiphy_err(key->local->hw.wiphy, + sdata_err(sdata, "failed to set key (%d, %pM) to hardware (%d)\n", key->conf.keyidx, sta ? sta->sta.addr : bcast_addr, ret); @@ -186,7 +186,7 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) sta ? &sta->sta : NULL, &key->conf); if (ret) - wiphy_err(key->local->hw.wiphy, + sdata_err(sdata, "failed to remove key (%d, %pM) from hardware (%d)\n", key->conf.keyidx, sta ? sta->sta.addr : bcast_addr, ret); diff --git a/net/mac80211/main.c b/net/mac80211/main.c index d81c178..0b040fb 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -345,6 +345,13 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw) ieee80211_stop_queues_by_reason(hw, IEEE80211_QUEUE_STOP_REASON_SUSPEND); + /* + * Stop all Rx during the reconfig. We don't want state changes + * or driver callbacks while this is in progress. + */ + local->in_reconfig = true; + barrier(); + schedule_work(&local->restart_work); } EXPORT_SYMBOL(ieee80211_restart_hw); @@ -455,7 +462,9 @@ static const struct ieee80211_txrx_stypes ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = { [NL80211_IFTYPE_ADHOC] = { .tx = 0xffff, - .rx = BIT(IEEE80211_STYPE_ACTION >> 4), + .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | + BIT(IEEE80211_STYPE_AUTH >> 4) | + BIT(IEEE80211_STYPE_DEAUTH >> 4), }, [NL80211_IFTYPE_STATION] = { .tx = 0xffff, diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 7cf1950..764593d 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -443,7 +443,7 @@ static void ieee80211_mesh_path_root_timer(unsigned long data) void ieee80211_mesh_root_setup(struct ieee80211_if_mesh *ifmsh) { - if (ifmsh->mshcfg.dot11MeshHWMPRootMode) + if (ifmsh->mshcfg.dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT) set_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags); else { clear_bit(MESH_WORK_ROOT, &ifmsh->wrkq_flags); @@ -523,10 +523,6 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata, { bool free_plinks; -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - pr_debug("%s: running mesh housekeeping\n", sdata->name); -#endif - ieee80211_sta_expire(sdata, IEEE80211_MESH_PEER_INACTIVITY_LIMIT); mesh_path_expire(sdata); @@ -541,11 +537,17 @@ static void ieee80211_mesh_housekeeping(struct ieee80211_sub_if_data *sdata, static void ieee80211_mesh_rootpath(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; + u32 interval; mesh_path_tx_root_frame(sdata); + + if (ifmsh->mshcfg.dot11MeshHWMPRootMode == IEEE80211_PROACTIVE_RANN) + interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval; + else + interval = ifmsh->mshcfg.dot11MeshHWMProotInterval; + mod_timer(&ifmsh->mesh_path_root_timer, - round_jiffies(TU_TO_EXP_TIME( - ifmsh->mshcfg.dot11MeshHWMPRannInterval))); + round_jiffies(TU_TO_EXP_TIME(interval))); } #ifdef CONFIG_PM diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h index e364275..faaa39b 100644 --- a/net/mac80211/mesh.h +++ b/net/mac80211/mesh.h @@ -104,6 +104,7 @@ enum mesh_deferred_task_flags { * an mpath to a hash bucket on a path table. * @rann_snd_addr: the RANN sender address * @rann_metric: the aggregated path metric towards the root node + * @last_preq_to_root: Timestamp of last PREQ sent to root * @is_root: the destination station of this path is a root node * @is_gate: the destination station of this path is a mesh gate * @@ -131,6 +132,7 @@ struct mesh_path { spinlock_t state_lock; u8 rann_snd_addr[ETH_ALEN]; u32 rann_metric; + unsigned long last_preq_to_root; bool is_root; bool is_gate; }; @@ -245,7 +247,7 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata); int mesh_rmc_init(struct ieee80211_sub_if_data *sdata); void ieee80211s_init(void); void ieee80211s_update_metric(struct ieee80211_local *local, - struct sta_info *stainfo, struct sk_buff *skb); + struct sta_info *sta, struct sk_buff *skb); void ieee80211s_stop(void); void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata); void ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index fa7c580..fb7b6a1 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -13,13 +13,6 @@ #include "wme.h" #include "mesh.h" -#ifdef CONFIG_MAC80211_VERBOSE_MHWMP_DEBUG -#define mhwmp_dbg(fmt, args...) \ - pr_debug("Mesh HWMP (%s): " fmt "\n", sdata->name, ##args) -#else -#define mhwmp_dbg(fmt, args...) do { (void)(0); } while (0) -#endif - #define TEST_FRAME_LEN 8192 #define MAX_METRIC 0xffffffff #define ARITH_SHIFT 8 @@ -98,6 +91,8 @@ static inline u32 u16_field_get(u8 *preq_elem, int offset, bool ae) #define max_preq_retries(s) (s->u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries) #define disc_timeout_jiff(s) \ msecs_to_jiffies(sdata->u.mesh.mshcfg.min_discovery_timeout) +#define root_path_confirmation_jiffies(s) \ + msecs_to_jiffies(sdata->u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval) enum mpath_frame_type { MPATH_PREQ = 0, @@ -142,19 +137,19 @@ static int mesh_path_sel_frame_tx(enum mpath_frame_type action, u8 flags, switch (action) { case MPATH_PREQ: - mhwmp_dbg("sending PREQ to %pM", target); + mhwmp_dbg(sdata, "sending PREQ to %pM\n", target); ie_len = 37; pos = skb_put(skb, 2 + ie_len); *pos++ = WLAN_EID_PREQ; break; case MPATH_PREP: - mhwmp_dbg("sending PREP to %pM", target); + mhwmp_dbg(sdata, "sending PREP to %pM\n", target); ie_len = 31; pos = skb_put(skb, 2 + ie_len); *pos++ = WLAN_EID_PREP; break; case MPATH_RANN: - mhwmp_dbg("sending RANN from %pM", orig_addr); + mhwmp_dbg(sdata, "sending RANN from %pM\n", orig_addr); ie_len = sizeof(struct ieee80211_rann_ie); pos = skb_put(skb, 2 + ie_len); *pos++ = WLAN_EID_RANN; @@ -303,7 +298,7 @@ int mesh_path_error_tx(u8 ttl, u8 *target, __le32 target_sn, } void ieee80211s_update_metric(struct ieee80211_local *local, - struct sta_info *stainfo, struct sk_buff *skb) + struct sta_info *sta, struct sk_buff *skb) { struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -315,15 +310,14 @@ void ieee80211s_update_metric(struct ieee80211_local *local, failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK); /* moving average, scaled to 100 */ - stainfo->fail_avg = ((80 * stainfo->fail_avg + 5) / 100 + 20 * failed); - if (stainfo->fail_avg > 95) - mesh_plink_broken(stainfo); + sta->fail_avg = ((80 * sta->fail_avg + 5) / 100 + 20 * failed); + if (sta->fail_avg > 95) + mesh_plink_broken(sta); } static u32 airtime_link_metric_get(struct ieee80211_local *local, struct sta_info *sta) { - struct ieee80211_supported_band *sband; struct rate_info rinfo; /* This should be adjusted for each device */ int device_constant = 1 << ARITH_SHIFT; @@ -333,8 +327,6 @@ static u32 airtime_link_metric_get(struct ieee80211_local *local, u32 tx_time, estimated_retx; u64 result; - sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; - if (sta->fail_avg >= 100) return MAX_METRIC; @@ -519,10 +511,11 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, struct mesh_path *mpath = NULL; u8 *target_addr, *orig_addr; const u8 *da; - u8 target_flags, ttl; - u32 orig_sn, target_sn, lifetime; + u8 target_flags, ttl, flags; + u32 orig_sn, target_sn, lifetime, orig_metric; bool reply = false; bool forward = true; + bool root_is_gate; /* Update target SN, if present */ target_addr = PREQ_IE_TARGET_ADDR(preq_elem); @@ -530,11 +523,15 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, target_sn = PREQ_IE_TARGET_SN(preq_elem); orig_sn = PREQ_IE_ORIG_SN(preq_elem); target_flags = PREQ_IE_TARGET_F(preq_elem); + orig_metric = metric; + /* Proactive PREQ gate announcements */ + flags = PREQ_IE_FLAGS(preq_elem); + root_is_gate = !!(flags & RANN_FLAG_IS_GATE); - mhwmp_dbg("received PREQ from %pM", orig_addr); + mhwmp_dbg(sdata, "received PREQ from %pM\n", orig_addr); if (ether_addr_equal(target_addr, sdata->vif.addr)) { - mhwmp_dbg("PREQ is for us"); + mhwmp_dbg(sdata, "PREQ is for us\n"); forward = false; reply = true; metric = 0; @@ -544,6 +541,22 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, target_sn = ++ifmsh->sn; ifmsh->last_sn_update = jiffies; } + } else if (is_broadcast_ether_addr(target_addr) && + (target_flags & IEEE80211_PREQ_TO_FLAG)) { + rcu_read_lock(); + mpath = mesh_path_lookup(orig_addr, sdata); + if (mpath) { + if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) { + reply = true; + target_addr = sdata->vif.addr; + target_sn = ++ifmsh->sn; + metric = 0; + ifmsh->last_sn_update = jiffies; + } + if (root_is_gate) + mesh_path_add_gate(mpath); + } + rcu_read_unlock(); } else { rcu_read_lock(); mpath = mesh_path_lookup(target_addr, sdata); @@ -570,19 +583,20 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, lifetime = PREQ_IE_LIFETIME(preq_elem); ttl = ifmsh->mshcfg.element_ttl; if (ttl != 0) { - mhwmp_dbg("replying to the PREQ"); + mhwmp_dbg(sdata, "replying to the PREQ\n"); mesh_path_sel_frame_tx(MPATH_PREP, 0, orig_addr, cpu_to_le32(orig_sn), 0, target_addr, cpu_to_le32(target_sn), mgmt->sa, 0, ttl, cpu_to_le32(lifetime), cpu_to_le32(metric), 0, sdata); - } else + } else { ifmsh->mshstats.dropped_frames_ttl++; + } } if (forward && ifmsh->mshcfg.dot11MeshForwarding) { u32 preq_id; - u8 hopcount, flags; + u8 hopcount; ttl = PREQ_IE_TTL(preq_elem); lifetime = PREQ_IE_LIFETIME(preq_elem); @@ -590,13 +604,19 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata, ifmsh->mshstats.dropped_frames_ttl++; return; } - mhwmp_dbg("forwarding the PREQ from %pM", orig_addr); + mhwmp_dbg(sdata, "forwarding the PREQ from %pM\n", orig_addr); --ttl; - flags = PREQ_IE_FLAGS(preq_elem); preq_id = PREQ_IE_PREQ_ID(preq_elem); hopcount = PREQ_IE_HOPCOUNT(preq_elem) + 1; da = (mpath && mpath->is_root) ? mpath->rann_snd_addr : broadcast_addr; + + if (flags & IEEE80211_PREQ_PROACTIVE_PREP_FLAG) { + target_addr = PREQ_IE_TARGET_ADDR(preq_elem); + target_sn = PREQ_IE_TARGET_SN(preq_elem); + metric = orig_metric; + } + mesh_path_sel_frame_tx(MPATH_PREQ, flags, orig_addr, cpu_to_le32(orig_sn), target_flags, target_addr, cpu_to_le32(target_sn), da, @@ -631,7 +651,8 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, u8 next_hop[ETH_ALEN]; u32 target_sn, orig_sn, lifetime; - mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem)); + mhwmp_dbg(sdata, "received PREP from %pM\n", + PREP_IE_ORIG_ADDR(prep_elem)); orig_addr = PREP_IE_ORIG_ADDR(prep_elem); if (ether_addr_equal(orig_addr, sdata->vif.addr)) @@ -744,11 +765,6 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, bool root_is_gate; ttl = rann->rann_ttl; - if (ttl <= 1) { - ifmsh->mshstats.dropped_frames_ttl++; - return; - } - ttl--; flags = rann->rann_flags; root_is_gate = !!(flags & RANN_FLAG_IS_GATE); orig_addr = rann->rann_addr; @@ -762,8 +778,9 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, if (ether_addr_equal(orig_addr, sdata->vif.addr)) return; - mhwmp_dbg("received RANN from %pM via neighbour %pM (is_gate=%d)", - orig_addr, mgmt->sa, root_is_gate); + mhwmp_dbg(sdata, + "received RANN from %pM via neighbour %pM (is_gate=%d)\n", + orig_addr, mgmt->sa, root_is_gate); rcu_read_lock(); sta = sta_info_get(sdata, mgmt->sa); @@ -785,34 +802,50 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata, } } + if (!(SN_LT(mpath->sn, orig_sn)) && + !(mpath->sn == orig_sn && metric < mpath->rann_metric)) { + rcu_read_unlock(); + return; + } + if ((!(mpath->flags & (MESH_PATH_ACTIVE | MESH_PATH_RESOLVING)) || - time_after(jiffies, mpath->exp_time - 1*HZ)) && - !(mpath->flags & MESH_PATH_FIXED)) { - mhwmp_dbg("%s time to refresh root mpath %pM", sdata->name, - orig_addr); + (time_after(jiffies, mpath->last_preq_to_root + + root_path_confirmation_jiffies(sdata)) || + time_before(jiffies, mpath->last_preq_to_root))) && + !(mpath->flags & MESH_PATH_FIXED) && (ttl != 0)) { + mhwmp_dbg(sdata, + "time to refresh root mpath %pM\n", + orig_addr); mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH); + mpath->last_preq_to_root = jiffies; + } + + mpath->sn = orig_sn; + mpath->rann_metric = metric + metric_txsta; + mpath->is_root = true; + /* Recording RANNs sender address to send individually + * addressed PREQs destined for root mesh STA */ + memcpy(mpath->rann_snd_addr, mgmt->sa, ETH_ALEN); + + if (root_is_gate) + mesh_path_add_gate(mpath); + + if (ttl <= 1) { + ifmsh->mshstats.dropped_frames_ttl++; + rcu_read_unlock(); + return; } + ttl--; - if ((SN_LT(mpath->sn, orig_sn) || (mpath->sn == orig_sn && - metric < mpath->rann_metric)) && ifmsh->mshcfg.dot11MeshForwarding) { + if (ifmsh->mshcfg.dot11MeshForwarding) { mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr, cpu_to_le32(orig_sn), 0, NULL, 0, broadcast_addr, hopcount, ttl, cpu_to_le32(interval), cpu_to_le32(metric + metric_txsta), 0, sdata); - mpath->sn = orig_sn; - mpath->rann_metric = metric + metric_txsta; - /* Recording RANNs sender address to send individually - * addressed PREQs destined for root mesh STA */ - memcpy(mpath->rann_snd_addr, mgmt->sa, ETH_ALEN); } - mpath->is_root = true; - - if (root_is_gate) - mesh_path_add_gate(mpath); - rcu_read_unlock(); } @@ -889,7 +922,7 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags) preq_node = kmalloc(sizeof(struct mesh_preq_queue), GFP_ATOMIC); if (!preq_node) { - mhwmp_dbg("could not allocate PREQ node"); + mhwmp_dbg(sdata, "could not allocate PREQ node\n"); return; } @@ -898,7 +931,7 @@ static void mesh_queue_preq(struct mesh_path *mpath, u8 flags) spin_unlock_bh(&ifmsh->mesh_preq_queue_lock); kfree(preq_node); if (printk_ratelimit()) - mhwmp_dbg("PREQ node queue full"); + mhwmp_dbg(sdata, "PREQ node queue full\n"); return; } @@ -1146,7 +1179,7 @@ void mesh_path_timer(unsigned long data) if (!mpath->is_gate && mesh_gate_num(sdata) > 0) { ret = mesh_path_send_to_gates(mpath); if (ret) - mhwmp_dbg("no gate was reachable"); + mhwmp_dbg(sdata, "no gate was reachable\n"); } else mesh_path_flush_pending(mpath); } @@ -1157,13 +1190,34 @@ mesh_path_tx_root_frame(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh; u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval; - u8 flags; + u8 flags, target_flags = 0; flags = (ifmsh->mshcfg.dot11MeshGateAnnouncementProtocol) ? RANN_FLAG_IS_GATE : 0; - mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr, + + switch (ifmsh->mshcfg.dot11MeshHWMPRootMode) { + case IEEE80211_PROACTIVE_RANN: + mesh_path_sel_frame_tx(MPATH_RANN, flags, sdata->vif.addr, cpu_to_le32(++ifmsh->sn), 0, NULL, 0, broadcast_addr, - 0, sdata->u.mesh.mshcfg.element_ttl, + 0, ifmsh->mshcfg.element_ttl, cpu_to_le32(interval), 0, 0, sdata); + break; + case IEEE80211_PROACTIVE_PREQ_WITH_PREP: + flags |= IEEE80211_PREQ_PROACTIVE_PREP_FLAG; + case IEEE80211_PROACTIVE_PREQ_NO_PREP: + interval = ifmsh->mshcfg.dot11MeshHWMPactivePathToRootTimeout; + target_flags |= IEEE80211_PREQ_TO_FLAG | + IEEE80211_PREQ_USN_FLAG; + mesh_path_sel_frame_tx(MPATH_PREQ, flags, sdata->vif.addr, + cpu_to_le32(++ifmsh->sn), target_flags, + (u8 *) broadcast_addr, 0, broadcast_addr, + 0, ifmsh->mshcfg.element_ttl, + cpu_to_le32(interval), + 0, cpu_to_le32(ifmsh->preq_id++), sdata); + break; + default: + mhwmp_dbg(sdata, "Proactive mechanism not supported\n"); + return; + } } diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 572f706..c9ae931 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -18,12 +18,6 @@ #include "ieee80211_i.h" #include "mesh.h" -#ifdef CONFIG_MAC80211_VERBOSE_MPATH_DEBUG -#define mpath_dbg(fmt, args...) pr_debug(fmt, ##args) -#else -#define mpath_dbg(fmt, args...) do { (void)(0); } while (0) -#endif - /* There will be initially 2^INIT_PATHS_SIZE_ORDER buckets */ #define INIT_PATHS_SIZE_ORDER 2 @@ -322,9 +316,8 @@ static void mesh_path_move_to_queue(struct mesh_path *gate_mpath, spin_lock_irqsave(&gate_mpath->frame_queue.lock, flags); skb_queue_splice(&gateq, &gate_mpath->frame_queue); - mpath_dbg("Mpath queue for gate %pM has %d frames\n", - gate_mpath->dst, - skb_queue_len(&gate_mpath->frame_queue)); + mpath_dbg(gate_mpath->sdata, "Mpath queue for gate %pM has %d frames\n", + gate_mpath->dst, skb_queue_len(&gate_mpath->frame_queue)); spin_unlock_irqrestore(&gate_mpath->frame_queue.lock, flags); if (!copy) @@ -446,9 +439,9 @@ int mesh_path_add_gate(struct mesh_path *mpath) hlist_add_head_rcu(&new_gate->list, tbl->known_gates); spin_unlock_bh(&tbl->gates_lock); rcu_read_unlock(); - mpath_dbg("Mesh path (%s): Recorded new gate: %pM. %d known gates\n", - mpath->sdata->name, mpath->dst, - mpath->sdata->u.mesh.num_gates); + mpath_dbg(mpath->sdata, + "Mesh path: Recorded new gate: %pM. %d known gates\n", + mpath->dst, mpath->sdata->u.mesh.num_gates); return 0; err_rcu: rcu_read_unlock(); @@ -477,8 +470,8 @@ static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath) spin_unlock_bh(&tbl->gates_lock); mpath->sdata->u.mesh.num_gates--; mpath->is_gate = false; - mpath_dbg("Mesh path (%s): Deleted gate: %pM. " - "%d known gates\n", mpath->sdata->name, + mpath_dbg(mpath->sdata, + "Mesh path: Deleted gate: %pM. %d known gates\n", mpath->dst, mpath->sdata->u.mesh.num_gates); break; } @@ -946,19 +939,20 @@ int mesh_path_send_to_gates(struct mesh_path *mpath) continue; if (gate->mpath->flags & MESH_PATH_ACTIVE) { - mpath_dbg("Forwarding to %pM\n", gate->mpath->dst); + mpath_dbg(sdata, "Forwarding to %pM\n", gate->mpath->dst); mesh_path_move_to_queue(gate->mpath, from_mpath, copy); from_mpath = gate->mpath; copy = true; } else { - mpath_dbg("Not forwarding %p\n", gate->mpath); - mpath_dbg("flags %x\n", gate->mpath->flags); + mpath_dbg(sdata, + "Not forwarding %p (flags %#x)\n", + gate->mpath, gate->mpath->flags); } } hlist_for_each_entry_rcu(gate, n, known_gates, list) if (gate->mpath->sdata == sdata) { - mpath_dbg("Sending to %pM\n", gate->mpath->dst); + mpath_dbg(sdata, "Sending to %pM\n", gate->mpath->dst); mesh_path_tx_pending(gate->mpath); } diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index be4fad1..a1dbd15 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -13,12 +13,6 @@ #include "rate.h" #include "mesh.h" -#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG -#define mpl_dbg(fmt, args...) pr_debug(fmt, ##args) -#else -#define mpl_dbg(fmt, args...) do { (void)(0); } while (0) -#endif - #define PLINK_GET_LLID(p) (p + 2) #define PLINK_GET_PLID(p) (p + 4) @@ -134,12 +128,14 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata) switch (sta->ch_type) { case NL80211_CHAN_NO_HT: - mpl_dbg("mesh_plink %pM: nonHT sta (%pM) is present", + mpl_dbg(sdata, + "mesh_plink %pM: nonHT sta (%pM) is present\n", sdata->vif.addr, sta->sta.addr); non_ht_sta = true; goto out; case NL80211_CHAN_HT20: - mpl_dbg("mesh_plink %pM: HT20 sta (%pM) is present", + mpl_dbg(sdata, + "mesh_plink %pM: HT20 sta (%pM) is present\n", sdata->vif.addr, sta->sta.addr); ht20_sta = true; default: @@ -160,7 +156,8 @@ out: sdata->vif.bss_conf.ht_operation_mode = ht_opmode; sdata->u.mesh.mshcfg.ht_opmode = ht_opmode; changed = BSS_CHANGED_HT; - mpl_dbg("mesh_plink %pM: protection mode changed to %d", + mpl_dbg(sdata, + "mesh_plink %pM: protection mode changed to %d\n", sdata->vif.addr, ht_opmode); } @@ -437,7 +434,8 @@ static void mesh_plink_timer(unsigned long data) spin_unlock_bh(&sta->lock); return; } - mpl_dbg("Mesh plink timer for %pM fired on state %d\n", + mpl_dbg(sta->sdata, + "Mesh plink timer for %pM fired on state %d\n", sta->sta.addr, sta->plink_state); reason = 0; llid = sta->llid; @@ -450,7 +448,8 @@ static void mesh_plink_timer(unsigned long data) /* retry timer */ if (sta->plink_retries < dot11MeshMaxRetries(sdata)) { u32 rand; - mpl_dbg("Mesh plink for %pM (retry, timeout): %d %d\n", + mpl_dbg(sta->sdata, + "Mesh plink for %pM (retry, timeout): %d %d\n", sta->sta.addr, sta->plink_retries, sta->plink_timeout); get_random_bytes(&rand, sizeof(u32)); @@ -530,7 +529,8 @@ int mesh_plink_open(struct sta_info *sta) sta->plink_state = NL80211_PLINK_OPN_SNT; mesh_plink_timer_set(sta, dot11MeshRetryTimeout(sdata)); spin_unlock_bh(&sta->lock); - mpl_dbg("Mesh plink: starting establishment with %pM\n", + mpl_dbg(sdata, + "Mesh plink: starting establishment with %pM\n", sta->sta.addr); return mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_OPEN, @@ -565,7 +565,6 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m u8 *baseaddr; u32 changed = 0; __le16 plid, llid, reason; -#ifdef CONFIG_MAC80211_VERBOSE_MPL_DEBUG static const char *mplstates[] = { [NL80211_PLINK_LISTEN] = "LISTEN", [NL80211_PLINK_OPN_SNT] = "OPN-SNT", @@ -575,14 +574,14 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m [NL80211_PLINK_HOLDING] = "HOLDING", [NL80211_PLINK_BLOCKED] = "BLOCKED" }; -#endif /* need action_code, aux */ if (len < IEEE80211_MIN_ACTION_SIZE + 3) return; if (is_multicast_ether_addr(mgmt->da)) { - mpl_dbg("Mesh plink: ignore frame from multicast address"); + mpl_dbg(sdata, + "Mesh plink: ignore frame from multicast address\n"); return; } @@ -595,12 +594,14 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } ieee802_11_parse_elems(baseaddr, len - baselen, &elems); if (!elems.peering) { - mpl_dbg("Mesh plink: missing necessary peer link ie\n"); + mpl_dbg(sdata, + "Mesh plink: missing necessary peer link ie\n"); return; } if (elems.rsn_len && sdata->u.mesh.security == IEEE80211_MESH_SEC_NONE) { - mpl_dbg("Mesh plink: can't establish link with secure peer\n"); + mpl_dbg(sdata, + "Mesh plink: can't establish link with secure peer\n"); return; } @@ -610,14 +611,15 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m (ftype == WLAN_SP_MESH_PEERING_CONFIRM && ie_len != 6) || (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len != 6 && ie_len != 8)) { - mpl_dbg("Mesh plink: incorrect plink ie length %d %d\n", - ftype, ie_len); + mpl_dbg(sdata, + "Mesh plink: incorrect plink ie length %d %d\n", + ftype, ie_len); return; } if (ftype != WLAN_SP_MESH_PEERING_CLOSE && (!elems.mesh_id || !elems.mesh_config)) { - mpl_dbg("Mesh plink: missing necessary ie\n"); + mpl_dbg(sdata, "Mesh plink: missing necessary ie\n"); return; } /* Note the lines below are correct, the llid in the frame is the plid @@ -632,21 +634,21 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m sta = sta_info_get(sdata, mgmt->sa); if (!sta && ftype != WLAN_SP_MESH_PEERING_OPEN) { - mpl_dbg("Mesh plink: cls or cnf from unknown peer\n"); + mpl_dbg(sdata, "Mesh plink: cls or cnf from unknown peer\n"); rcu_read_unlock(); return; } if (ftype == WLAN_SP_MESH_PEERING_OPEN && !rssi_threshold_check(sta, sdata)) { - mpl_dbg("Mesh plink: %pM does not meet rssi threshold\n", + mpl_dbg(sdata, "Mesh plink: %pM does not meet rssi threshold\n", mgmt->sa); rcu_read_unlock(); return; } if (sta && !test_sta_flag(sta, WLAN_STA_AUTH)) { - mpl_dbg("Mesh plink: Action frame from non-authed peer\n"); + mpl_dbg(sdata, "Mesh plink: Action frame from non-authed peer\n"); rcu_read_unlock(); return; } @@ -683,7 +685,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } else if (!sta) { /* ftype == WLAN_SP_MESH_PEERING_OPEN */ if (!mesh_plink_free_count(sdata)) { - mpl_dbg("Mesh plink error: no more free plinks\n"); + mpl_dbg(sdata, "Mesh plink error: no more free plinks\n"); rcu_read_unlock(); return; } @@ -724,7 +726,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m event = CLS_ACPT; break; default: - mpl_dbg("Mesh plink: unknown frame subtype\n"); + mpl_dbg(sdata, "Mesh plink: unknown frame subtype\n"); rcu_read_unlock(); return; } @@ -734,13 +736,14 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m /* allocate sta entry if necessary and update info */ sta = mesh_peer_init(sdata, mgmt->sa, &elems); if (!sta) { - mpl_dbg("Mesh plink: failed to init peer!\n"); + mpl_dbg(sdata, "Mesh plink: failed to init peer!\n"); rcu_read_unlock(); return; } } - mpl_dbg("Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n", + mpl_dbg(sdata, + "Mesh plink (peer, state, llid, plid, event): %pM %s %d %d %d\n", mgmt->sa, mplstates[sta->plink_state], le16_to_cpu(sta->llid), le16_to_cpu(sta->plid), event); @@ -851,7 +854,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m mesh_plink_inc_estab_count(sdata); changed |= mesh_set_ht_prot_mode(sdata); changed |= BSS_CHANGED_BEACON; - mpl_dbg("Mesh plink with %pM ESTABLISHED\n", + mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n", sta->sta.addr); break; default: @@ -887,7 +890,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m mesh_plink_inc_estab_count(sdata); changed |= mesh_set_ht_prot_mode(sdata); changed |= BSS_CHANGED_BEACON; - mpl_dbg("Mesh plink with %pM ESTABLISHED\n", + mpl_dbg(sdata, "Mesh plink with %pM ESTABLISHED\n", sta->sta.addr); mesh_plink_frame_tx(sdata, WLAN_SP_MESH_PEERING_CONFIRM, diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c index 0ccdad4..accfa00 100644 --- a/net/mac80211/mesh_sync.c +++ b/net/mac80211/mesh_sync.c @@ -12,13 +12,6 @@ #include "mesh.h" #include "driver-ops.h" -#ifdef CONFIG_MAC80211_VERBOSE_MESH_SYNC_DEBUG -#define msync_dbg(fmt, args...) \ - pr_debug("Mesh sync (%s): " fmt "\n", sdata->name, ##args) -#else -#define msync_dbg(fmt, args...) do { (void)(0); } while (0) -#endif - /* This is not in the standard. It represents a tolerable tbtt drift below * which we do no TSF adjustment. */ @@ -65,14 +58,14 @@ void mesh_sync_adjust_tbtt(struct ieee80211_sub_if_data *sdata) spin_lock_bh(&ifmsh->sync_offset_lock); if (ifmsh->sync_offset_clockdrift_max < beacon_int_fraction) { - msync_dbg("TBTT : max clockdrift=%lld; adjusting", - (long long) ifmsh->sync_offset_clockdrift_max); + msync_dbg(sdata, "TBTT : max clockdrift=%lld; adjusting\n", + (long long) ifmsh->sync_offset_clockdrift_max); tsfdelta = -ifmsh->sync_offset_clockdrift_max; ifmsh->sync_offset_clockdrift_max = 0; } else { - msync_dbg("TBTT : max clockdrift=%lld; adjusting by %llu", - (long long) ifmsh->sync_offset_clockdrift_max, - (unsigned long long) beacon_int_fraction); + msync_dbg(sdata, "TBTT : max clockdrift=%lld; adjusting by %llu\n", + (long long) ifmsh->sync_offset_clockdrift_max, + (unsigned long long) beacon_int_fraction); tsfdelta = -beacon_int_fraction; ifmsh->sync_offset_clockdrift_max -= beacon_int_fraction; } @@ -120,7 +113,7 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, if (elems->mesh_config && mesh_peer_tbtt_adjusting(elems)) { clear_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN); - msync_dbg("STA %pM : is adjusting TBTT", sta->sta.addr); + msync_dbg(sdata, "STA %pM : is adjusting TBTT\n", sta->sta.addr); goto no_sync; } @@ -169,7 +162,8 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, if (test_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN)) { s64 t_clockdrift = sta->t_offset_setpoint - sta->t_offset; - msync_dbg("STA %pM : sta->t_offset=%lld, sta->t_offset_setpoint=%lld, t_clockdrift=%lld", + msync_dbg(sdata, + "STA %pM : sta->t_offset=%lld, sta->t_offset_setpoint=%lld, t_clockdrift=%lld\n", sta->sta.addr, (long long) sta->t_offset, (long long) @@ -178,7 +172,8 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, if (t_clockdrift > TOFFSET_MAXIMUM_ADJUSTMENT || t_clockdrift < -TOFFSET_MAXIMUM_ADJUSTMENT) { - msync_dbg("STA %pM : t_clockdrift=%lld too large, setpoint reset", + msync_dbg(sdata, + "STA %pM : t_clockdrift=%lld too large, setpoint reset\n", sta->sta.addr, (long long) t_clockdrift); clear_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN); @@ -197,8 +192,8 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, } else { sta->t_offset_setpoint = sta->t_offset - TOFFSET_SET_MARGIN; set_sta_flag(sta, WLAN_STA_TOFFSET_KNOWN); - msync_dbg("STA %pM : offset was invalid, " - " sta->t_offset=%lld", + msync_dbg(sdata, + "STA %pM : offset was invalid, sta->t_offset=%lld\n", sta->sta.addr, (long long) sta->t_offset); rcu_read_unlock(); @@ -226,17 +221,15 @@ static void mesh_sync_offset_adjust_tbtt(struct ieee80211_sub_if_data *sdata) * to the driver tsf setter, we punt * the tsf adjustment to the mesh tasklet */ - msync_dbg("TBTT : kicking off TBTT " - "adjustment with " - "clockdrift_max=%lld", - ifmsh->sync_offset_clockdrift_max); + msync_dbg(sdata, + "TBTT : kicking off TBTT adjustment with clockdrift_max=%lld\n", + ifmsh->sync_offset_clockdrift_max); set_bit(MESH_WORK_DRIFT_ADJUST, &ifmsh->wrkq_flags); } else { - msync_dbg("TBTT : max clockdrift=%lld; " - "too small to adjust", - (long long) - ifmsh->sync_offset_clockdrift_max); + msync_dbg(sdata, + "TBTT : max clockdrift=%lld; too small to adjust\n", + (long long)ifmsh->sync_offset_clockdrift_max); ifmsh->sync_offset_clockdrift_max = 0; } spin_unlock_bh(&ifmsh->sync_offset_lock); @@ -268,7 +261,7 @@ static void mesh_sync_vendor_rx_bcn_presp(struct ieee80211_sub_if_data *sdata, const u8 *oui; WARN_ON(sdata->u.mesh.mesh_sp_id != IEEE80211_SYNC_METHOD_VENDOR); - msync_dbg("called mesh_sync_vendor_rx_bcn_presp"); + msync_dbg(sdata, "called mesh_sync_vendor_rx_bcn_presp\n"); oui = mesh_get_vendor_oui(sdata); /* here you would implement the vendor offset tracking for this oui */ } @@ -278,7 +271,7 @@ static void mesh_sync_vendor_adjust_tbtt(struct ieee80211_sub_if_data *sdata) const u8 *oui; WARN_ON(sdata->u.mesh.mesh_sp_id != IEEE80211_SYNC_METHOD_VENDOR); - msync_dbg("called mesh_sync_vendor_adjust_tbtt"); + msync_dbg(sdata, "called mesh_sync_vendor_adjust_tbtt\n"); oui = mesh_get_vendor_oui(sdata); /* here you would implement the vendor tsf adjustment for this oui */ } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 079038d..e6fe84a 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1141,7 +1141,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, memset(¶ms, 0, sizeof(params)); - local->wmm_acm = 0; + sdata->wmm_acm = 0; for (; left >= 4; left -= 4, pos += 4) { int aci = (pos[0] >> 5) & 0x03; int acm = (pos[0] >> 4) & 0x01; @@ -1152,21 +1152,21 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, case 1: /* AC_BK */ queue = 3; if (acm) - local->wmm_acm |= BIT(1) | BIT(2); /* BK/- */ + sdata->wmm_acm |= BIT(1) | BIT(2); /* BK/- */ if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK) uapsd = true; break; case 2: /* AC_VI */ queue = 1; if (acm) - local->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */ + sdata->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */ if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI) uapsd = true; break; case 3: /* AC_VO */ queue = 0; if (acm) - local->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */ + sdata->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */ if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO) uapsd = true; break; @@ -1174,7 +1174,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, default: queue = 2; if (acm) - local->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */ + sdata->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */ if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE) uapsd = true; break; @@ -1186,19 +1186,16 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, params.txop = get_unaligned_le16(pos + 2); params.uapsd = uapsd; -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, - "WMM queue=%d aci=%d acm=%d aifs=%d " - "cWmin=%d cWmax=%d txop=%d uapsd=%d\n", - queue, aci, acm, - params.aifs, params.cw_min, params.cw_max, - params.txop, params.uapsd); -#endif + mlme_dbg(sdata, + "WMM queue=%d aci=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d\n", + queue, aci, acm, + params.aifs, params.cw_min, params.cw_max, + params.txop, params.uapsd); sdata->tx_conf[queue] = params; if (drv_conf_tx(local, sdata, queue, ¶ms)) - wiphy_debug(local->hw.wiphy, - "failed to set TX queue parameters for queue %d\n", - queue); + sdata_err(sdata, + "failed to set TX queue parameters for queue %d\n", + queue); } /* enable WMM or activate new settings */ @@ -1275,7 +1272,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, bss_info_changed |= BSS_CHANGED_BEACON_INT; bss_info_changed |= ieee80211_handle_bss_capability(sdata, - cbss->capability, bss->has_erp_value, bss->erp_value); + bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value); sdata->u.mgd.beacon_timeout = usecs_to_jiffies(ieee80211_tu_to_usec( IEEE80211_BEACON_LOSS_COUNT * bss_conf->beacon_int)); @@ -1327,7 +1324,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta; u32 changed = 0; - u8 bssid[ETH_ALEN]; ASSERT_MGD_MTX(ifmgd); @@ -1339,10 +1335,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, ieee80211_stop_poll(sdata); - memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN); - ifmgd->associated = NULL; - memset(ifmgd->bssid, 0, ETH_ALEN); /* * we need to commit the associated = NULL change because the @@ -1362,7 +1355,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, netif_carrier_off(sdata->dev); mutex_lock(&local->sta_mtx); - sta = sta_info_get(sdata, bssid); + sta = sta_info_get(sdata, ifmgd->bssid); if (sta) { set_sta_flag(sta, WLAN_STA_BLOCK_BA); ieee80211_sta_tear_down_BA_sessions(sta, tx); @@ -1371,13 +1364,16 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, /* deauthenticate/disassociate now */ if (tx || frame_buf) - ieee80211_send_deauth_disassoc(sdata, bssid, stype, reason, - tx, frame_buf); + ieee80211_send_deauth_disassoc(sdata, ifmgd->bssid, stype, + reason, tx, frame_buf); /* flush out frame */ if (tx) drv_flush(local, false); + /* clear bssid only after building the needed mgmt frames */ + memset(ifmgd->bssid, 0, ETH_ALEN); + /* remove AP and TDLS peers */ sta_info_flush(local, sdata); @@ -1567,11 +1563,10 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata, goto out; } -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (beacon) - net_dbg_ratelimited("%s: detected beacon loss from AP - sending probe request\n", - sdata->name); -#endif + mlme_dbg_ratelimited(sdata, + "detected beacon loss from AP - sending probe request\n"); + ieee80211_cqm_rssi_notify(&sdata->vif, NL80211_CQM_RSSI_BEACON_LOSS_EVENT, GFP_KERNEL); @@ -1656,7 +1651,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata) memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN); - pr_debug("%s: Connection to AP %pM lost\n", sdata->name, bssid); + sdata_info(sdata, "Connection to AP %pM lost\n", bssid); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY, @@ -1790,8 +1785,8 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, return RX_MGMT_NONE; if (status_code != WLAN_STATUS_SUCCESS) { - pr_debug("%s: %pM denied authentication (status %d)\n", - sdata->name, mgmt->sa, status_code); + sdata_info(sdata, "%pM denied authentication (status %d)\n", + mgmt->sa, status_code); ieee80211_destroy_auth_data(sdata, false); return RX_MGMT_CFG80211_RX_AUTH; } @@ -1814,7 +1809,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, return RX_MGMT_NONE; } - pr_debug("%s: authenticated\n", sdata->name); + sdata_info(sdata, "authenticated\n"); ifmgd->auth_data->done = true; ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC; run_again(ifmgd, ifmgd->auth_data->timeout); @@ -1827,7 +1822,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, goto out_err; } if (sta_info_move_state(sta, IEEE80211_STA_AUTH)) { - pr_debug("%s: failed moving %pM to auth\n", sdata->name, bssid); + sdata_info(sdata, "failed moving %pM to auth\n", bssid); goto out_err; } mutex_unlock(&sdata->local->sta_mtx); @@ -1861,8 +1856,8 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata, reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); - pr_debug("%s: deauthenticated from %pM (Reason: %u)\n", - sdata->name, bssid, reason_code); + sdata_info(sdata, "deauthenticated from %pM (Reason: %u)\n", + bssid, reason_code); ieee80211_set_disassoc(sdata, 0, 0, false, NULL); @@ -1892,8 +1887,8 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata, reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); - pr_debug("%s: disassociated from %pM (Reason: %u)\n", - sdata->name, mgmt->sa, reason_code); + sdata_info(sdata, "disassociated from %pM (Reason: %u)\n", + mgmt->sa, reason_code); ieee80211_set_disassoc(sdata, 0, 0, false, NULL); @@ -1985,15 +1980,15 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info); if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14))) - pr_debug("%s: invalid AID value 0x%x; bits 15:14 not set\n", - sdata->name, aid); + sdata_info(sdata, "invalid AID value 0x%x; bits 15:14 not set\n", + aid); aid &= ~(BIT(15) | BIT(14)); ifmgd->broken_ap = false; if (aid == 0 || aid > IEEE80211_MAX_AID) { - pr_debug("%s: invalid AID value %d (out of range), turn off PS\n", - sdata->name, aid); + sdata_info(sdata, "invalid AID value %d (out of range), turn off PS\n", + aid); aid = 0; ifmgd->broken_ap = true; } @@ -2002,8 +1997,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); if (!elems.supp_rates) { - pr_debug("%s: no SuppRates element in AssocResp\n", - sdata->name); + sdata_info(sdata, "no SuppRates element in AssocResp\n"); return false; } @@ -2043,8 +2037,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata, if (!err && !(ifmgd->flags & IEEE80211_STA_CONTROL_PORT)) err = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED); if (err) { - pr_debug("%s: failed to move station %pM to desired state\n", - sdata->name, sta->sta.addr); + sdata_info(sdata, + "failed to move station %pM to desired state\n", + sta->sta.addr); WARN_ON(__sta_info_destroy(sta)); mutex_unlock(&sdata->local->sta_mtx); return false; @@ -2127,9 +2122,10 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); aid = le16_to_cpu(mgmt->u.assoc_resp.aid); - pr_debug("%s: RX %sssocResp from %pM (capab=0x%x status=%d aid=%d)\n", - sdata->name, reassoc ? "Rea" : "A", mgmt->sa, - capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14)))); + sdata_info(sdata, + "RX %sssocResp from %pM (capab=0x%x status=%d aid=%d)\n", + reassoc ? "Rea" : "A", mgmt->sa, + capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14)))); pos = mgmt->u.assoc_resp.variable; ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems); @@ -2140,8 +2136,9 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, u32 tu, ms; tu = get_unaligned_le32(elems.timeout_int + 1); ms = tu * 1024 / 1000; - pr_debug("%s: %pM rejected association temporarily; comeback duration %u TU (%u ms)\n", - sdata->name, mgmt->sa, tu, ms); + sdata_info(sdata, + "%pM rejected association temporarily; comeback duration %u TU (%u ms)\n", + mgmt->sa, tu, ms); assoc_data->timeout = jiffies + msecs_to_jiffies(ms); if (ms > IEEE80211_ASSOC_TIMEOUT) run_again(ifmgd, assoc_data->timeout); @@ -2151,11 +2148,11 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, *bss = assoc_data->bss; if (status_code != WLAN_STATUS_SUCCESS) { - pr_debug("%s: %pM denied association (code=%d)\n", - sdata->name, mgmt->sa, status_code); + sdata_info(sdata, "%pM denied association (code=%d)\n", + mgmt->sa, status_code); ieee80211_destroy_assoc_data(sdata, false); } else { - pr_debug("%s: associated\n", sdata->name); + sdata_info(sdata, "associated\n"); if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) { /* oops -- internal error -- send timeout for now */ @@ -2263,7 +2260,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata, if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies && ether_addr_equal(mgmt->bssid, ifmgd->auth_data->bss->bssid)) { /* got probe response, continue with auth */ - pr_debug("%s: direct probe responded\n", sdata->name); + sdata_info(sdata, "direct probe responded\n"); ifmgd->auth_data->tries = 0; ifmgd->auth_data->timeout = jiffies; run_again(ifmgd, ifmgd->auth_data->timeout); @@ -2399,10 +2396,8 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, } if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - net_dbg_ratelimited("%s: cancelling probereq poll due to a received beacon\n", - sdata->name); -#endif + mlme_dbg_ratelimited(sdata, + "cancelling probereq poll due to a received beacon\n"); mutex_lock(&local->mtx); ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL; ieee80211_run_deferred_scan(local); @@ -2625,8 +2620,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) auth_data->tries++; if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) { - pr_debug("%s: authentication with %pM timed out\n", - sdata->name, auth_data->bss->bssid); + sdata_info(sdata, "authentication with %pM timed out\n", + auth_data->bss->bssid); /* * Most likely AP is not in the range so remove the @@ -2638,9 +2633,9 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) } if (auth_data->bss->proberesp_ies) { - pr_debug("%s: send auth to %pM (try %d/%d)\n", - sdata->name, auth_data->bss->bssid, auth_data->tries, - IEEE80211_AUTH_MAX_TRIES); + sdata_info(sdata, "send auth to %pM (try %d/%d)\n", + auth_data->bss->bssid, auth_data->tries, + IEEE80211_AUTH_MAX_TRIES); auth_data->expected_transaction = 2; ieee80211_send_auth(sdata, 1, auth_data->algorithm, @@ -2650,9 +2645,9 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) } else { const u8 *ssidie; - pr_debug("%s: direct probe to %pM (try %d/%i)\n", - sdata->name, auth_data->bss->bssid, auth_data->tries, - IEEE80211_AUTH_MAX_TRIES); + sdata_info(sdata, "direct probe to %pM (try %d/%i)\n", + auth_data->bss->bssid, auth_data->tries, + IEEE80211_AUTH_MAX_TRIES); ssidie = ieee80211_bss_get_ie(auth_data->bss, WLAN_EID_SSID); if (!ssidie) @@ -2680,8 +2675,8 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) assoc_data->tries++; if (assoc_data->tries > IEEE80211_ASSOC_MAX_TRIES) { - pr_debug("%s: association with %pM timed out\n", - sdata->name, assoc_data->bss->bssid); + sdata_info(sdata, "association with %pM timed out\n", + assoc_data->bss->bssid); /* * Most likely AP is not in the range so remove the @@ -2692,9 +2687,9 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata) return -ETIMEDOUT; } - pr_debug("%s: associate with %pM (try %d/%d)\n", - sdata->name, assoc_data->bss->bssid, assoc_data->tries, - IEEE80211_ASSOC_MAX_TRIES); + sdata_info(sdata, "associate with %pM (try %d/%d)\n", + assoc_data->bss->bssid, assoc_data->tries, + IEEE80211_ASSOC_MAX_TRIES); ieee80211_send_assoc(sdata); assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT; @@ -2767,45 +2762,31 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata) ieee80211_reset_ap_probe(sdata); else if (ifmgd->nullfunc_failed) { if (ifmgd->probe_send_count < max_tries) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, - "%s: No ack for nullfunc frame to" - " AP %pM, try %d/%i\n", - sdata->name, bssid, - ifmgd->probe_send_count, max_tries); -#endif + mlme_dbg(sdata, + "No ack for nullfunc frame to AP %pM, try %d/%i\n", + bssid, ifmgd->probe_send_count, + max_tries); ieee80211_mgd_probe_ap_send(sdata); } else { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, - "%s: No ack for nullfunc frame to" - " AP %pM, disconnecting.\n", - sdata->name, bssid); -#endif + mlme_dbg(sdata, + "No ack for nullfunc frame to AP %pM, disconnecting.\n", + bssid); ieee80211_sta_connection_lost(sdata, bssid, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); } } else if (time_is_after_jiffies(ifmgd->probe_timeout)) run_again(ifmgd, ifmgd->probe_timeout); else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, - "%s: Failed to send nullfunc to AP %pM" - " after %dms, disconnecting.\n", - sdata->name, - bssid, probe_wait_ms); -#endif + mlme_dbg(sdata, + "Failed to send nullfunc to AP %pM after %dms, disconnecting\n", + bssid, probe_wait_ms); ieee80211_sta_connection_lost(sdata, bssid, WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY); } else if (ifmgd->probe_send_count < max_tries) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, - "%s: No probe response from AP %pM" - " after %dms, try %d/%i\n", - sdata->name, - bssid, probe_wait_ms, - ifmgd->probe_send_count, max_tries); -#endif + mlme_dbg(sdata, + "No probe response from AP %pM after %dms, try %d/%i\n", + bssid, probe_wait_ms, + ifmgd->probe_send_count, max_tries); ieee80211_mgd_probe_ap_send(sdata); } else { /* @@ -2920,11 +2901,8 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME; mutex_lock(&ifmgd->mtx); if (ifmgd->associated) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(sdata->local->hw.wiphy, - "%s: driver requested disconnect after resume.\n", - sdata->name); -#endif + mlme_dbg(sdata, + "driver requested disconnect after resume\n"); ieee80211_sta_connection_lost(sdata, ifmgd->associated->bssid, WLAN_REASON_UNSPECIFIED); @@ -3012,7 +2990,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_bss *bss = (void *)cbss->priv; - struct sta_info *sta; + struct sta_info *sta = NULL; bool have_sta = false; int err; int ht_cfreq; @@ -3065,10 +3043,11 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, * since we look at probe response/beacon data here * it should be OK. */ - pr_debug("%s: Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", - sdata->name, cbss->channel->center_freq, - ht_cfreq, ht_oper->primary_chan, - cbss->channel->band); + sdata_info(sdata, + "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n", + cbss->channel->center_freq, + ht_cfreq, ht_oper->primary_chan, + cbss->channel->band); ht_oper = NULL; } } @@ -3092,8 +3071,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, if (!ieee80211_set_channel_type(local, sdata, channel_type)) { /* can only fail due to HT40+/- mismatch */ channel_type = NL80211_CHAN_HT20; - pr_debug("%s: disabling 40 MHz due to multi-vif mismatch\n", - sdata->name); + sdata_info(sdata, + "disabling 40 MHz due to multi-vif mismatch\n"); ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ; WARN_ON(!ieee80211_set_channel_type(local, sdata, channel_type)); @@ -3102,7 +3081,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, local->oper_channel = cbss->channel; ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); - if (!have_sta) { + if (sta) { u32 rates = 0, basic_rates = 0; bool have_higher_than_11mbit; int min_rate = INT_MAX, min_rate_index = -1; @@ -3122,8 +3101,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, * we can connect -- with a warning. */ if (!basic_rates && min_rate_index >= 0) { - pr_debug("%s: No basic rates, using min rate instead\n", - sdata->name); + sdata_info(sdata, + "No basic rates, using min rate instead\n"); basic_rates = BIT(min_rate_index); } @@ -3149,8 +3128,9 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, err = sta_info_insert(sta); sta = NULL; if (err) { - pr_debug("%s: failed to insert STA entry for the AP (error %d)\n", - sdata->name, err); + sdata_info(sdata, + "failed to insert STA entry for the AP (error %d)\n", + err); return err; } } else @@ -3228,7 +3208,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata, if (ifmgd->associated) ieee80211_set_disassoc(sdata, 0, 0, false, NULL); - pr_debug("%s: authenticate with %pM\n", sdata->name, req->bss->bssid); + sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid); err = ieee80211_prep_connection(sdata, req->bss, false); if (err) @@ -3410,8 +3390,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, * Wait up to one beacon interval ... * should this be more if we miss one? */ - pr_debug("%s: waiting for beacon from %pM\n", - sdata->name, ifmgd->bssid); + sdata_info(sdata, "waiting for beacon from %pM\n", + ifmgd->bssid); assoc_data->timeout = TU_TO_EXP_TIME(req->bss->beacon_interval); } else { assoc_data->have_beacon = true; @@ -3430,8 +3410,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, corrupt_type = "beacon"; } else if (bss->corrupt_data & IEEE80211_BSS_CORRUPT_PROBE_RESP) corrupt_type = "probe response"; - pr_debug("%s: associating with AP with corrupt %s\n", - sdata->name, corrupt_type); + sdata_info(sdata, "associating with AP with corrupt %s\n", + corrupt_type); } err = 0; @@ -3460,8 +3440,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata, return 0; } - pr_debug("%s: deauthenticating from %pM by local choice (reason=%d)\n", - sdata->name, req->bssid, req->reason_code); + sdata_info(sdata, + "deauthenticating from %pM by local choice (reason=%d)\n", + req->bssid, req->reason_code); if (ifmgd->associated && ether_addr_equal(ifmgd->associated->bssid, req->bssid)) @@ -3503,8 +3484,9 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata, return -ENOLINK; } - pr_debug("%s: disassociating from %pM by local choice (reason=%d)\n", - sdata->name, req->bss->bssid, req->reason_code); + sdata_info(sdata, + "disassociating from %pM by local choice (reason=%d)\n", + req->bss->bssid, req->reason_code); memcpy(bssid, req->bss->bssid, ETH_ALEN); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DISASSOC, diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index abb226d..b0fb6a2 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -15,7 +15,6 @@ #include <linux/export.h> #include <net/mac80211.h> #include "ieee80211_i.h" -#include "driver-trace.h" #include "driver-ops.h" /* @@ -25,8 +24,7 @@ * because we *may* be doing work on-operating channel, and want our * hardware unconditionally awake, but still let the AP send us normal frames. */ -static void ieee80211_offchannel_ps_enable(struct ieee80211_sub_if_data *sdata, - bool tell_ap) +static void ieee80211_offchannel_ps_enable(struct ieee80211_sub_if_data *sdata) { struct ieee80211_local *local = sdata->local; struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; @@ -47,8 +45,8 @@ static void ieee80211_offchannel_ps_enable(struct ieee80211_sub_if_data *sdata, ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); } - if (tell_ap && (!local->offchannel_ps_enabled || - !(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK))) + if (!local->offchannel_ps_enabled || + !(local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) /* * If power save was enabled, no need to send a nullfunc * frame because AP knows that we are sleeping. But if the @@ -133,7 +131,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, if (offchannel_ps_enable && (sdata->vif.type == NL80211_IFTYPE_STATION) && sdata->u.mgd.associated) - ieee80211_offchannel_ps_enable(sdata, true); + ieee80211_offchannel_ps_enable(sdata); } } mutex_unlock(&local->iflist_mtx); @@ -263,6 +261,9 @@ void ieee80211_start_next_roc(struct ieee80211_local *local) roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work, list); + if (WARN_ON_ONCE(roc->started)) + return; + if (local->ops->remain_on_channel) { int ret, duration = roc->duration; @@ -378,8 +379,8 @@ void ieee80211_sw_roc_work(struct work_struct *work) ieee80211_recalc_idle(local); - ieee80211_start_next_roc(local); - ieee80211_run_deferred_scan(local); + if (roc->started) + ieee80211_start_next_roc(local); } out_unlock: @@ -410,9 +411,6 @@ static void ieee80211_hw_roc_done(struct work_struct *work) /* if there's another roc, start it now */ ieee80211_start_next_roc(local); - /* or scan maybe */ - ieee80211_run_deferred_scan(local); - out_unlock: mutex_unlock(&local->mtx); } @@ -455,7 +453,6 @@ void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata) } ieee80211_start_next_roc(local); - ieee80211_run_deferred_scan(local); mutex_unlock(&local->mtx); list_for_each_entry_safe(roc, tmp, &tmp_list, list) { diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 98c128b..5c572e7 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -78,6 +78,16 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) if (err < 0) { local->quiescing = false; local->wowlan = false; + if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { + mutex_lock(&local->sta_mtx); + list_for_each_entry(sta, + &local->sta_list, list) { + clear_sta_flag(sta, WLAN_STA_BLOCK_BA); + } + mutex_unlock(&local->sta_mtx); + } + ieee80211_wake_queues_by_reason(hw, + IEEE80211_QUEUE_STOP_REASON_SUSPEND); return err; } else if (err > 0) { WARN_ON(err != 1); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 6fd2cb0..839cac8 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -554,11 +554,11 @@ static inline u16 seq_sub(u16 sq1, u16 sq2) } -static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw, +static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx, int index) { - struct ieee80211_local *local = hw_to_local(hw); + struct ieee80211_local *local = sdata->local; struct sk_buff *skb = tid_agg_rx->reorder_buf[index]; struct ieee80211_rx_status *status; @@ -578,7 +578,7 @@ no_frame: tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num); } -static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw, +static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx, u16 head_seq_num) { @@ -589,7 +589,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw, while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) { index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; - ieee80211_release_reorder_frame(hw, tid_agg_rx, index); + ieee80211_release_reorder_frame(sdata, tid_agg_rx, index); } } @@ -604,7 +604,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw, */ #define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10) -static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, +static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx) { int index, j; @@ -632,12 +632,9 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, HT_RX_REORDER_BUF_TIMEOUT)) goto set_release_timer; -#ifdef CONFIG_MAC80211_HT_DEBUG - if (net_ratelimit()) - wiphy_debug(hw->wiphy, - "release an RX reorder frame due to timeout on earlier frames\n"); -#endif - ieee80211_release_reorder_frame(hw, tid_agg_rx, j); + ht_dbg_ratelimited(sdata, + "release an RX reorder frame due to timeout on earlier frames\n"); + ieee80211_release_reorder_frame(sdata, tid_agg_rx, j); /* * Increment the head seq# also for the skipped slots. @@ -647,7 +644,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, skipped = 0; } } else while (tid_agg_rx->reorder_buf[index]) { - ieee80211_release_reorder_frame(hw, tid_agg_rx, index); + ieee80211_release_reorder_frame(sdata, tid_agg_rx, index); index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) % tid_agg_rx->buf_size; } @@ -677,7 +674,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw, * rcu_read_lock protection. It returns false if the frame * can be processed immediately, true if it was consumed. */ -static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, +static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata, struct tid_ampdu_rx *tid_agg_rx, struct sk_buff *skb) { @@ -706,7 +703,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) { head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size)); /* release stored frames up to new head to stack */ - ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num); + ieee80211_release_reorder_frames(sdata, tid_agg_rx, + head_seq_num); } /* Now the new frame is always in the range of the reordering buffer */ @@ -736,7 +734,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, tid_agg_rx->reorder_buf[index] = skb; tid_agg_rx->reorder_time[index] = jiffies; tid_agg_rx->stored_mpdu_num++; - ieee80211_sta_reorder_release(hw, tid_agg_rx); + ieee80211_sta_reorder_release(sdata, tid_agg_rx); out: spin_unlock(&tid_agg_rx->reorder_lock); @@ -751,7 +749,6 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) { struct sk_buff *skb = rx->skb; struct ieee80211_local *local = rx->local; - struct ieee80211_hw *hw = &local->hw; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct sta_info *sta = rx->sta; @@ -813,7 +810,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx) * sure that we cannot get to it any more before doing * anything with it. */ - if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb)) + if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb)) return; dont_reorder: @@ -1136,24 +1133,18 @@ static void ap_sta_ps_start(struct sta_info *sta) set_sta_flag(sta, WLAN_STA_PS_STA); if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS)) drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta); -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - pr_debug("%s: STA %pM aid %d enters power save mode\n", - sdata->name, sta->sta.addr, sta->sta.aid); -#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ + ps_dbg(sdata, "STA %pM aid %d enters power save mode\n", + sta->sta.addr, sta->sta.aid); } static void ap_sta_ps_end(struct sta_info *sta) { -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - pr_debug("%s: STA %pM aid %d exits power save mode\n", - sta->sdata->name, sta->sta.addr, sta->sta.aid); -#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ + ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n", + sta->sta.addr, sta->sta.aid); if (test_sta_flag(sta, WLAN_STA_PS_DRIVER)) { -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - pr_debug("%s: STA %pM aid %d driver-ps-blocked\n", - sta->sdata->name, sta->sta.addr, sta->sta.aid); -#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ + ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n", + sta->sta.addr, sta->sta.aid); return; } @@ -1383,17 +1374,8 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata, if (sdata->fragment_next >= IEEE80211_FRAGMENT_MAX) sdata->fragment_next = 0; - if (!skb_queue_empty(&entry->skb_list)) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - struct ieee80211_hdr *hdr = - (struct ieee80211_hdr *) entry->skb_list.next->data; - pr_debug("%s: RX reassembly removed oldest fragment entry (idx=%d age=%lu seq=%d last_frag=%d addr1=%pM addr2=%pM\n", - sdata->name, idx, - jiffies - entry->first_frag_time, entry->seq, - entry->last_frag, hdr->addr1, hdr->addr2); -#endif + if (!skb_queue_empty(&entry->skb_list)) __skb_queue_purge(&entry->skb_list); - } __skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */ *skb = NULL; @@ -1751,7 +1733,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx) */ xmit_skb = skb_copy(skb, GFP_ATOMIC); if (!xmit_skb) - net_dbg_ratelimited("%s: failed to clone multicast frame\n", + net_info_ratelimited("%s: failed to clone multicast frame\n", dev->name); } else { dsta = sta_info_get(sdata, skb->data); @@ -1935,7 +1917,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) ether_addr_equal(sdata->vif.addr, hdr->addr3)) return RX_CONTINUE; - q = ieee80211_select_queue_80211(local, skb, hdr); + q = ieee80211_select_queue_80211(sdata, skb, hdr); if (ieee80211_queue_stopped(&local->hw, q)) { IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_congestion); return RX_DROP_MONITOR; @@ -1955,7 +1937,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) fwd_skb = skb_copy(skb, GFP_ATOMIC); if (!fwd_skb) { - net_dbg_ratelimited("%s: failed to clone mesh frame\n", + net_info_ratelimited("%s: failed to clone mesh frame\n", sdata->name); goto out; } @@ -2058,8 +2040,6 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx) static ieee80211_rx_result debug_noinline ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) { - struct ieee80211_local *local = rx->local; - struct ieee80211_hw *hw = &local->hw; struct sk_buff *skb = rx->skb; struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data; struct tid_ampdu_rx *tid_agg_rx; @@ -2096,7 +2076,8 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) spin_lock(&tid_agg_rx->reorder_lock); /* release stored frames up to start of BAR */ - ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num); + ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx, + start_seq_num); spin_unlock(&tid_agg_rx->reorder_lock); kfree_skb(skb); @@ -2453,7 +2434,7 @@ ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx) * frames that we didn't handle, including returning unknown * ones. For all other modes we will return them to the sender, * setting the 0x80 bit in the action category, as required by - * 802.11-2007 7.3.1.11. + * 802.11-2012 9.24.4. * Newer versions of hostapd shall also use the management frame * registration mechanisms, but older ones still use cooked * monitor interfaces so push all frames there. @@ -2463,6 +2444,9 @@ ieee80211_rx_h_action_return(struct ieee80211_rx_data *rx) sdata->vif.type == NL80211_IFTYPE_AP_VLAN)) return RX_DROP_MONITOR; + if (is_multicast_ether_addr(mgmt->da)) + return RX_DROP_MONITOR; + /* do not return rejected action frames */ if (mgmt->u.action.category & 0x80) return RX_DROP_UNUSABLE; @@ -2747,7 +2731,7 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid) return; spin_lock(&tid_agg_rx->reorder_lock); - ieee80211_sta_reorder_release(&sta->local->hw, tid_agg_rx); + ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx); spin_unlock(&tid_agg_rx->reorder_lock); ieee80211_rx_handlers(&rx); @@ -3027,6 +3011,10 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb) if (unlikely(local->quiescing || local->suspended)) goto drop; + /* We might be during a HW reconfig, prevent Rx for the same reason */ + if (unlikely(local->in_reconfig)) + goto drop; + /* * The same happens when we're not even started, * but that's worth a warning. diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 77dcf2f..06fa75c 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -169,9 +169,7 @@ void sta_info_free(struct ieee80211_local *local, struct sta_info *sta) if (sta->rate_ctrl) rate_control_free_sta(sta); -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, "Destroyed STA %pM\n", sta->sta.addr); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + sta_dbg(sta->sdata, "Destroyed STA %pM\n", sta->sta.addr); kfree(sta); } @@ -278,9 +276,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, for (i = 0; i < NUM_RX_DATA_QUEUES; i++) sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX); -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, "Allocated STA %pM\n", sta->sta.addr); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr); #ifdef CONFIG_MAC80211_MESH sta->plink_state = NL80211_PLINK_LISTEN; @@ -333,8 +329,9 @@ static int sta_info_insert_drv_state(struct ieee80211_local *local, } if (sdata->vif.type == NL80211_IFTYPE_ADHOC) { - pr_debug("%s: failed to move IBSS STA %pM to state %d (%d) - keeping it anyway\n", - sdata->name, sta->sta.addr, state + 1, err); + sdata_info(sdata, + "failed to move IBSS STA %pM to state %d (%d) - keeping it anyway\n", + sta->sta.addr, state + 1, err); err = 0; } @@ -389,9 +386,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) sinfo.generation = local->sta_generation; cfg80211_new_sta(sdata->dev, sta->sta.addr, &sinfo, GFP_KERNEL); -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, "Inserted STA %pM\n", sta->sta.addr); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + sta_dbg(sdata, "Inserted STA %pM\n", sta->sta.addr); /* move reference to rcu-protected */ rcu_read_lock(); @@ -617,9 +612,8 @@ static bool sta_info_cleanup_expire_buffered_ac(struct ieee80211_local *local, break; local->total_ps_buffered--; -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - pr_debug("Buffered frame expired (STA %pM)\n", sta->sta.addr); -#endif + ps_dbg(sta->sdata, "Buffered frame expired (STA %pM)\n", + sta->sta.addr); dev_kfree_skb(skb); } @@ -745,9 +739,8 @@ int __must_check __sta_info_destroy(struct sta_info *sta) mesh_accept_plinks_update(sdata); #endif -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - wiphy_debug(local->hw.wiphy, "Removed STA %pM\n", sta->sta.addr); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + sta_dbg(sdata, "Removed STA %pM\n", sta->sta.addr); + cancel_work_sync(&sta->drv_unblock_wk); cfg80211_del_sta(sdata->dev, sta->sta.addr, GFP_KERNEL); @@ -887,8 +880,8 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata, continue; if (time_after(jiffies, sta->last_rx + exp_time)) { - ibss_vdbg("%s: expiring inactive STA %pM\n", - sdata->name, sta->sta.addr); + ibss_dbg(sdata, "expiring inactive STA %pM\n", + sta->sta.addr); WARN_ON(__sta_info_destroy(sta)); } } @@ -986,10 +979,9 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) sta_info_recalc_tim(sta); -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - pr_debug("%s: STA %pM aid %d sending %d filtered/%d PS frames since STA not sleeping anymore\n", - sdata->name, sta->sta.addr, sta->sta.aid, filtered, buffered); -#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ + ps_dbg(sdata, + "STA %pM aid %d sending %d filtered/%d PS frames since STA not sleeping anymore\n", + sta->sta.addr, sta->sta.aid, filtered, buffered); } static void ieee80211_send_null_response(struct ieee80211_sub_if_data *sdata, @@ -1379,10 +1371,8 @@ int sta_info_move_state(struct sta_info *sta, return -EINVAL; } -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - pr_debug("%s: moving STA %pM to state %d\n", - sta->sdata->name, sta->sta.addr, new_state); -#endif + sta_dbg(sta->sdata, "moving STA %pM to state %d\n", + sta->sta.addr, new_state); /* * notify the driver before the actual changes so it can diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 6b4f425..2ed2f27 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -155,13 +155,10 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, return; } -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - if (net_ratelimit()) - wiphy_debug(local->hw.wiphy, - "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n", - skb_queue_len(&sta->tx_filtered[ac]), - !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies); -#endif + ps_dbg_ratelimited(sta->sdata, + "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n", + skb_queue_len(&sta->tx_filtered[ac]), + !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies); dev_kfree_skb(skb); } diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c index 68be47c..57e14d5 100644 --- a/net/mac80211/tkip.c +++ b/net/mac80211/tkip.c @@ -260,16 +260,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm, keyid = pos[3]; iv32 = get_unaligned_le32(pos + 4); pos += 8; -#ifdef CONFIG_MAC80211_TKIP_DEBUG - { - int i; - pr_debug("TKIP decrypt: data(len=%zd)", payload_len); - for (i = 0; i < payload_len; i++) - printk(" %02x", payload[i]); - printk("\n"); - pr_debug("TKIP decrypt: iv16=%04x iv32=%08x\n", iv16, iv32); - } -#endif if (!(keyid & (1 << 5))) return TKIP_DECRYPT_NO_EXT_IV; @@ -280,15 +270,8 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm, if (key->u.tkip.rx[queue].state != TKIP_STATE_NOT_INIT && (iv32 < key->u.tkip.rx[queue].iv32 || (iv32 == key->u.tkip.rx[queue].iv32 && - iv16 <= key->u.tkip.rx[queue].iv16))) { -#ifdef CONFIG_MAC80211_TKIP_DEBUG - pr_debug("TKIP replay detected for RX frame from %pM (RX IV (%04x,%02x) <= prev. IV (%04x,%02x)\n", - ta, iv32, iv16, - key->u.tkip.rx[queue].iv32, - key->u.tkip.rx[queue].iv16); -#endif + iv16 <= key->u.tkip.rx[queue].iv16))) return TKIP_DECRYPT_REPLAY; - } if (only_iv) { res = TKIP_DECRYPT_OK; @@ -300,21 +283,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm, key->u.tkip.rx[queue].iv32 != iv32) { /* IV16 wrapped around - perform TKIP phase 1 */ tkip_mixing_phase1(tk, &key->u.tkip.rx[queue], ta, iv32); -#ifdef CONFIG_MAC80211_TKIP_DEBUG - { - int i; - u8 key_offset = NL80211_TKIP_DATA_OFFSET_ENCR_KEY; - pr_debug("TKIP decrypt: Phase1 TA=%pM TK=", ta); - for (i = 0; i < 16; i++) - printk("%02x ", - key->conf.key[key_offset + i]); - printk("\n"); - pr_debug("TKIP decrypt: P1K="); - for (i = 0; i < 5; i++) - printk("%04x ", key->u.tkip.rx[queue].p1k[i]); - printk("\n"); - } -#endif } if (key->local->ops->update_tkip_key && key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && @@ -330,15 +298,6 @@ int ieee80211_tkip_decrypt_data(struct crypto_cipher *tfm, } tkip_mixing_phase2(tk, &key->u.tkip.rx[queue], iv16, rc4key); -#ifdef CONFIG_MAC80211_TKIP_DEBUG - { - int i; - pr_debug("TKIP decrypt: Phase2 rc4key="); - for (i = 0; i < 16; i++) - printk("%02x ", rc4key[i]); - printk("\n"); - } -#endif res = ieee80211_wep_decrypt_data(tfm, rc4key, 16, pos, payload_len - 12); done: diff --git a/net/mac80211/trace.c b/net/mac80211/trace.c new file mode 100644 index 0000000..386e45d8 --- /dev/null +++ b/net/mac80211/trace.c @@ -0,0 +1,75 @@ +/* bug in tracepoint.h, it should include this */ +#include <linux/module.h> + +/* sparse isn't too happy with all macros... */ +#ifndef __CHECKER__ +#include <net/cfg80211.h> +#include "driver-ops.h" +#include "debug.h" +#define CREATE_TRACE_POINTS +#include "trace.h" + +#ifdef CONFIG_MAC80211_MESSAGE_TRACING +void __sdata_info(const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + + pr_info("%pV", &vaf); + trace_mac80211_info(&vaf); + va_end(args); +} + +void __sdata_dbg(bool print, const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + + if (print) + pr_debug("%pV", &vaf); + trace_mac80211_dbg(&vaf); + va_end(args); +} + +void __sdata_err(const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + + pr_err("%pV", &vaf); + trace_mac80211_err(&vaf); + va_end(args); +} + +void __wiphy_dbg(struct wiphy *wiphy, bool print, const char *fmt, ...) +{ + struct va_format vaf = { + .fmt = fmt, + }; + va_list args; + + va_start(args, fmt); + vaf.va = &args; + + if (print) + wiphy_dbg(wiphy, "%pV", &vaf); + trace_mac80211_dbg(&vaf); + va_end(args); +} +#endif +#endif diff --git a/net/mac80211/driver-trace.h b/net/mac80211/trace.h index 6de00b2..2e60f4a 100644 --- a/net/mac80211/driver-trace.h +++ b/net/mac80211/trace.h @@ -1218,6 +1218,32 @@ DEFINE_EVENT(release_evt, drv_allow_buffered_frames, TP_ARGS(local, sta, tids, num_frames, reason, more_data) ); +TRACE_EVENT(drv_get_rssi, + TP_PROTO(struct ieee80211_local *local, struct ieee80211_sta *sta, + s8 rssi, int ret), + + TP_ARGS(local, sta, rssi, ret), + + TP_STRUCT__entry( + LOCAL_ENTRY + STA_ENTRY + __field(s8, rssi) + __field(int, ret) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + STA_ASSIGN; + __entry->rssi = rssi; + __entry->ret = ret; + ), + + TP_printk( + LOCAL_PR_FMT STA_PR_FMT " rssi:%d ret:%d", + LOCAL_PR_ARG, STA_PR_ARG, __entry->rssi, __entry->ret + ) +); + /* * Tracing for API calls that drivers call. */ @@ -1606,10 +1632,49 @@ TRACE_EVENT(stop_queue, LOCAL_PR_ARG, __entry->queue, __entry->reason ) ); + +#ifdef CONFIG_MAC80211_MESSAGE_TRACING +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mac80211_msg + +#define MAX_MSG_LEN 100 + +DECLARE_EVENT_CLASS(mac80211_msg_event, + TP_PROTO(struct va_format *vaf), + + TP_ARGS(vaf), + + TP_STRUCT__entry( + __dynamic_array(char, msg, MAX_MSG_LEN) + ), + + TP_fast_assign( + WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), + MAX_MSG_LEN, vaf->fmt, + *vaf->va) >= MAX_MSG_LEN); + ), + + TP_printk("%s", __get_str(msg)) +); + +DEFINE_EVENT(mac80211_msg_event, mac80211_info, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); +DEFINE_EVENT(mac80211_msg_event, mac80211_dbg, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); +DEFINE_EVENT(mac80211_msg_event, mac80211_err, + TP_PROTO(struct va_format *vaf), + TP_ARGS(vaf) +); +#endif + #endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -#define TRACE_INCLUDE_FILE driver-trace +#define TRACE_INCLUDE_FILE trace #include <trace/define_trace.h> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index af25c4e..ec8f5346 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -175,12 +175,6 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, return cpu_to_le16(dur); } -static inline int is_ieee80211_device(struct ieee80211_local *local, - struct net_device *dev) -{ - return local == wdev_priv(dev->ieee80211_ptr); -} - /* tx handlers */ static ieee80211_tx_result debug_noinline ieee80211_tx_h_dynamic_ps(struct ieee80211_tx_data *tx) @@ -297,9 +291,10 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx) if (unlikely(!assoc && ieee80211_is_data(hdr->frame_control))) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - pr_debug("%s: dropped data frame to not associated station %pM\n", - tx->sdata->name, hdr->addr1); -#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ + sdata_info(tx->sdata, + "dropped data frame to not associated station %pM\n", + hdr->addr1); +#endif I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc); return TX_DROP; } @@ -366,10 +361,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) rcu_read_unlock(); local->total_ps_buffered = total; -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - wiphy_debug(local->hw.wiphy, "PS buffers full - purged %d frames\n", - purged); -#endif + ps_dbg_hw(&local->hw, "PS buffers full - purged %d frames\n", purged); } static ieee80211_tx_result @@ -411,10 +403,8 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx) purge_old_ps_buffers(tx->local); if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= AP_MAX_BC_BUFFER) { -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - net_dbg_ratelimited("%s: BC TX buffer full - dropping the oldest frame\n", - tx->sdata->name); -#endif + ps_dbg(tx->sdata, + "BC TX buffer full - dropping the oldest frame\n"); dev_kfree_skb(skb_dequeue(&tx->sdata->bss->ps_bc_buf)); } else tx->local->total_ps_buffered++; @@ -465,18 +455,15 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) return TX_CONTINUE; } -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - pr_debug("STA %pM aid %d: PS buffer for AC %d\n", - sta->sta.addr, sta->sta.aid, ac); -#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ + ps_dbg(sta->sdata, "STA %pM aid %d: PS buffer for AC %d\n", + sta->sta.addr, sta->sta.aid, ac); if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) purge_old_ps_buffers(tx->local); if (skb_queue_len(&sta->ps_tx_buf[ac]) >= STA_MAX_TX_BUFFER) { struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf[ac]); -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - net_dbg_ratelimited("%s: STA %pM TX buffer for AC %d full - dropping oldest frame\n", - tx->sdata->name, sta->sta.addr, ac); -#endif + ps_dbg(tx->sdata, + "STA %pM TX buffer for AC %d full - dropping oldest frame\n", + sta->sta.addr, ac); dev_kfree_skb(old); } else tx->local->total_ps_buffered++; @@ -498,13 +485,11 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) sta_info_recalc_tim(sta); return TX_QUEUED; + } else if (unlikely(test_sta_flag(sta, WLAN_STA_PS_STA))) { + ps_dbg(tx->sdata, + "STA %pM in PS mode, but polling/in SP -> send frame\n", + sta->sta.addr); } -#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - else if (unlikely(test_sta_flag(sta, WLAN_STA_PS_STA))) { - pr_debug("%s: STA %pM in PS mode, but polling/in SP -> send frame\n", - tx->sdata->name, sta->sta.addr); - } -#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ return TX_CONTINUE; } @@ -1963,7 +1948,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, (cpu_to_be16(ethertype) != sdata->control_port_protocol || !ether_addr_equal(sdata->vif.addr, skb->data + ETH_ALEN)))) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - net_dbg_ratelimited("%s: dropped frame to %pM (unauthorized port)\n", + net_info_ratelimited("%s: dropped frame to %pM (unauthorized port)\n", dev->name, hdr.addr1); #endif diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 1df4019..242ecde 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1411,6 +1411,9 @@ int ieee80211_reconfig(struct ieee80211_local *local) if (ieee80211_sdata_running(sdata)) ieee80211_enable_keys(sdata); + local->in_reconfig = false; + barrier(); + wake_up: /* * Clear the WLAN_STA_BLOCK_BA flag so new aggregation diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index c3d643a..cea06e9 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -52,11 +52,11 @@ static int wme_downgrade_ac(struct sk_buff *skb) } } -static u16 ieee80211_downgrade_queue(struct ieee80211_local *local, +static u16 ieee80211_downgrade_queue(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) { /* in case we are a client verify acm is not set for this ac */ - while (unlikely(local->wmm_acm & BIT(skb->priority))) { + while (unlikely(sdata->wmm_acm & BIT(skb->priority))) { if (wme_downgrade_ac(skb)) { /* * This should not really happen. The AP has marked all @@ -73,10 +73,11 @@ static u16 ieee80211_downgrade_queue(struct ieee80211_local *local, } /* Indicate which queue to use for this fully formed 802.11 frame */ -u16 ieee80211_select_queue_80211(struct ieee80211_local *local, +u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, struct ieee80211_hdr *hdr) { + struct ieee80211_local *local = sdata->local; u8 *p; if (local->hw.queues < IEEE80211_NUM_ACS) @@ -94,7 +95,7 @@ u16 ieee80211_select_queue_80211(struct ieee80211_local *local, p = ieee80211_get_qos_ctl(hdr); skb->priority = *p & IEEE80211_QOS_CTL_TAG1D_MASK; - return ieee80211_downgrade_queue(local, skb); + return ieee80211_downgrade_queue(sdata, skb); } /* Indicate which queue to use. */ @@ -156,7 +157,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, * data frame has */ skb->priority = cfg80211_classify8021d(skb); - return ieee80211_downgrade_queue(local, skb); + return ieee80211_downgrade_queue(sdata, skb); } void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h index ca80818..7fea4bb 100644 --- a/net/mac80211/wme.h +++ b/net/mac80211/wme.h @@ -15,7 +15,7 @@ extern const int ieee802_1d_to_ac[8]; -u16 ieee80211_select_queue_80211(struct ieee80211_local *local, +u16 ieee80211_select_queue_80211(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, struct ieee80211_hdr *hdr); u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c index 8689115..1a4df39 100644 --- a/net/mac802154/tx.c +++ b/net/mac802154/tx.c @@ -83,9 +83,10 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb, { struct xmit_work *work; - if (!(priv->phy->channels_supported[page] & (1 << chan))) + if (!(priv->phy->channels_supported[page] & (1 << chan))) { WARN_ON(1); return NETDEV_TX_OK; + } mac802154_monitors_rx(mac802154_to_priv(&priv->hw), skb); diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 819c342..9730882 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -640,6 +640,14 @@ find_free_id(const char *name, ip_set_id_t *index, struct ip_set **set) } static int +ip_set_none(struct sock *ctnl, struct sk_buff *skb, + const struct nlmsghdr *nlh, + const struct nlattr * const attr[]) +{ + return -EOPNOTSUPP; +} + +static int ip_set_create(struct sock *ctnl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const attr[]) @@ -1539,6 +1547,10 @@ nlmsg_failure: } static const struct nfnl_callback ip_set_netlink_subsys_cb[IPSET_MSG_MAX] = { + [IPSET_CMD_NONE] = { + .call = ip_set_none, + .attr_count = IPSET_ATTR_CMD_MAX, + }, [IPSET_CMD_CREATE] = { .call = ip_set_create, .attr_count = IPSET_ATTR_CMD_MAX, diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c index ee86394..d5d3607 100644 --- a/net/netfilter/ipset/ip_set_hash_netiface.c +++ b/net/netfilter/ipset/ip_set_hash_netiface.c @@ -38,30 +38,6 @@ struct iface_node { #define iface_data(n) (rb_entry(n, struct iface_node, node)->iface) -static inline long -ifname_compare(const char *_a, const char *_b) -{ - const long *a = (const long *)_a; - const long *b = (const long *)_b; - - BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long)); - if (a[0] != b[0]) - return a[0] - b[0]; - if (IFNAMSIZ > sizeof(long)) { - if (a[1] != b[1]) - return a[1] - b[1]; - } - if (IFNAMSIZ > 2 * sizeof(long)) { - if (a[2] != b[2]) - return a[2] - b[2]; - } - if (IFNAMSIZ > 3 * sizeof(long)) { - if (a[3] != b[3]) - return a[3] - b[3]; - } - return 0; -} - static void rbtree_destroy(struct rb_root *root) { @@ -99,7 +75,7 @@ iface_test(struct rb_root *root, const char **iface) while (n) { const char *d = iface_data(n); - long res = ifname_compare(*iface, d); + int res = strcmp(*iface, d); if (res < 0) n = n->rb_left; @@ -121,7 +97,7 @@ iface_add(struct rb_root *root, const char **iface) while (*n) { char *ifname = iface_data(*n); - long res = ifname_compare(*iface, ifname); + int res = strcmp(*iface, ifname); p = *n; if (res < 0) @@ -366,7 +342,7 @@ hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[], struct hash_netiface4_elem data = { .cidr = HOST_MASK }; u32 ip = 0, ip_to, last; u32 timeout = h->timeout; - char iface[IFNAMSIZ] = {}; + char iface[IFNAMSIZ]; int ret; if (unlikely(!tb[IPSET_ATTR_IP] || @@ -663,7 +639,7 @@ hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[], ipset_adtfn adtfn = set->variant->adt[adt]; struct hash_netiface6_elem data = { .cidr = HOST_MASK }; u32 timeout = h->timeout; - char iface[IFNAMSIZ] = {}; + char iface[IFNAMSIZ]; int ret; if (unlikely(!tb[IPSET_ATTR_IP] || diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index dd811b8..d43e3c1 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -76,19 +76,19 @@ static void __ip_vs_del_service(struct ip_vs_service *svc); #ifdef CONFIG_IP_VS_IPV6 /* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */ -static int __ip_vs_addr_is_local_v6(struct net *net, - const struct in6_addr *addr) +static bool __ip_vs_addr_is_local_v6(struct net *net, + const struct in6_addr *addr) { - struct rt6_info *rt; struct flowi6 fl6 = { .daddr = *addr, }; + struct dst_entry *dst = ip6_route_output(net, NULL, &fl6); + bool is_local; - rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl6); - if (rt && rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK)) - return 1; + is_local = !dst->error && dst->dev && (dst->dev->flags & IFF_LOOPBACK); - return 0; + dst_release(dst); + return is_local; } #endif diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 4acdd76..a265033 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -39,6 +39,15 @@ static char __initdata nfversion[] = "0.30"; static const struct nfnetlink_subsystem __rcu *subsys_table[NFNL_SUBSYS_COUNT]; static DEFINE_MUTEX(nfnl_mutex); +static const int nfnl_group2type[NFNLGRP_MAX+1] = { + [NFNLGRP_CONNTRACK_NEW] = NFNL_SUBSYS_CTNETLINK, + [NFNLGRP_CONNTRACK_UPDATE] = NFNL_SUBSYS_CTNETLINK, + [NFNLGRP_CONNTRACK_DESTROY] = NFNL_SUBSYS_CTNETLINK, + [NFNLGRP_CONNTRACK_EXP_NEW] = NFNL_SUBSYS_CTNETLINK_EXP, + [NFNLGRP_CONNTRACK_EXP_UPDATE] = NFNL_SUBSYS_CTNETLINK_EXP, + [NFNLGRP_CONNTRACK_EXP_DESTROY] = NFNL_SUBSYS_CTNETLINK_EXP, +}; + void nfnl_lock(void) { mutex_lock(&nfnl_mutex); @@ -169,8 +178,10 @@ replay: err = nla_parse(cda, ss->cb[cb_id].attr_count, attr, attrlen, ss->cb[cb_id].policy); - if (err < 0) + if (err < 0) { + rcu_read_unlock(); return err; + } if (nc->call_rcu) { err = nc->call_rcu(net->nfnl, skb, nlh, @@ -202,12 +213,35 @@ static void nfnetlink_rcv(struct sk_buff *skb) netlink_rcv_skb(skb, &nfnetlink_rcv_msg); } +#ifdef CONFIG_MODULES +static void nfnetlink_bind(int group) +{ + const struct nfnetlink_subsystem *ss; + int type = nfnl_group2type[group]; + + rcu_read_lock(); + ss = nfnetlink_get_subsys(type); + if (!ss) { + rcu_read_unlock(); + request_module("nfnetlink-subsys-%d", type); + return; + } + rcu_read_unlock(); +} +#endif + static int __net_init nfnetlink_net_init(struct net *net) { struct sock *nfnl; + struct netlink_kernel_cfg cfg = { + .groups = NFNLGRP_MAX, + .input = nfnetlink_rcv, +#ifdef CONFIG_MODULES + .bind = nfnetlink_bind, +#endif + }; - nfnl = netlink_kernel_create(net, NETLINK_NETFILTER, NFNLGRP_MAX, - nfnetlink_rcv, NULL, THIS_MODULE); + nfnl = netlink_kernel_create(net, NETLINK_NETFILTER, THIS_MODULE, &cfg); if (!nfnl) return -ENOMEM; net->nfnl_stash = nfnl; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index b3025a6..5463969 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -80,6 +80,7 @@ struct netlink_sock { struct mutex *cb_mutex; struct mutex cb_def_mutex; void (*netlink_rcv)(struct sk_buff *skb); + void (*netlink_bind)(int group); struct module *module; }; @@ -124,6 +125,7 @@ struct netlink_table { unsigned int groups; struct mutex *cb_mutex; struct module *module; + void (*bind)(int group); int registered; }; @@ -444,6 +446,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol, struct module *module = NULL; struct mutex *cb_mutex; struct netlink_sock *nlk; + void (*bind)(int group); int err = 0; sock->state = SS_UNCONNECTED; @@ -468,6 +471,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol, else err = -EPROTONOSUPPORT; cb_mutex = nl_table[protocol].cb_mutex; + bind = nl_table[protocol].bind; netlink_unlock_table(); if (err < 0) @@ -483,6 +487,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol, nlk = nlk_sk(sock->sk); nlk->module = module; + nlk->netlink_bind = bind; out: return err; @@ -683,6 +688,15 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr, netlink_update_listeners(sk); netlink_table_ungrab(); + if (nlk->netlink_bind && nlk->groups[0]) { + int i; + + for (i=0; i<nlk->ngroups; i++) { + if (test_bit(i, nlk->groups)) + nlk->netlink_bind(i); + } + } + return 0; } @@ -1239,6 +1253,10 @@ static int netlink_setsockopt(struct socket *sock, int level, int optname, netlink_update_socket_mc(nlk, val, optname == NETLINK_ADD_MEMBERSHIP); netlink_table_ungrab(); + + if (nlk->netlink_bind) + nlk->netlink_bind(val); + err = 0; break; } @@ -1503,14 +1521,16 @@ static void netlink_data_ready(struct sock *sk, int len) */ struct sock * -netlink_kernel_create(struct net *net, int unit, unsigned int groups, - void (*input)(struct sk_buff *skb), - struct mutex *cb_mutex, struct module *module) +netlink_kernel_create(struct net *net, int unit, + struct module *module, + struct netlink_kernel_cfg *cfg) { struct socket *sock; struct sock *sk; struct netlink_sock *nlk; struct listeners *listeners = NULL; + struct mutex *cb_mutex = cfg ? cfg->cb_mutex : NULL; + unsigned int groups; BUG_ON(!nl_table); @@ -1532,16 +1552,18 @@ netlink_kernel_create(struct net *net, int unit, unsigned int groups, sk = sock->sk; sk_change_net(sk, net); - if (groups < 32) + if (!cfg || cfg->groups < 32) groups = 32; + else + groups = cfg->groups; listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL); if (!listeners) goto out_sock_release; sk->sk_data_ready = netlink_data_ready; - if (input) - nlk_sk(sk)->netlink_rcv = input; + if (cfg && cfg->input) + nlk_sk(sk)->netlink_rcv = cfg->input; if (netlink_insert(sk, net, 0)) goto out_sock_release; @@ -1555,6 +1577,7 @@ netlink_kernel_create(struct net *net, int unit, unsigned int groups, rcu_assign_pointer(nl_table[unit].listeners, listeners); nl_table[unit].cb_mutex = cb_mutex; nl_table[unit].module = module; + nl_table[unit].bind = cfg ? cfg->bind : NULL; nl_table[unit].registered = 1; } else { kfree(listeners); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 2cc7c1e..32761b5 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -915,10 +915,14 @@ static struct genl_multicast_group notify_grp = { static int __net_init genl_pernet_init(struct net *net) { + struct netlink_kernel_cfg cfg = { + .input = genl_rcv, + .cb_mutex = &genl_mutex, + }; + /* we'll bump the group number right afterwards */ - net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC, 0, - genl_rcv, &genl_mutex, - THIS_MODULE); + net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC, + THIS_MODULE, &cfg); if (!net->genl_sock && net_eq(net, &init_net)) panic("GENL: Cannot initialize generic netlink\n"); diff --git a/net/nfc/nci/ntf.c b/net/nfc/nci/ntf.c index cb26461..2ab196a 100644 --- a/net/nfc/nci/ntf.c +++ b/net/nfc/nci/ntf.c @@ -106,7 +106,7 @@ static __u8 *nci_extract_rf_params_nfca_passive_poll(struct nci_dev *ndev, nfca_poll->sens_res = __le16_to_cpu(*((__u16 *)data)); data += 2; - nfca_poll->nfcid1_len = *data++; + nfca_poll->nfcid1_len = min_t(__u8, *data++, NFC_NFCID1_MAXSIZE); pr_debug("sens_res 0x%x, nfcid1_len %d\n", nfca_poll->sens_res, nfca_poll->nfcid1_len); @@ -130,7 +130,7 @@ static __u8 *nci_extract_rf_params_nfcb_passive_poll(struct nci_dev *ndev, struct rf_tech_specific_params_nfcb_poll *nfcb_poll, __u8 *data) { - nfcb_poll->sensb_res_len = *data++; + nfcb_poll->sensb_res_len = min_t(__u8, *data++, NFC_SENSB_RES_MAXSIZE); pr_debug("sensb_res_len %d\n", nfcb_poll->sensb_res_len); @@ -145,7 +145,7 @@ static __u8 *nci_extract_rf_params_nfcf_passive_poll(struct nci_dev *ndev, __u8 *data) { nfcf_poll->bit_rate = *data++; - nfcf_poll->sensf_res_len = *data++; + nfcf_poll->sensf_res_len = min_t(__u8, *data++, NFC_SENSF_RES_MAXSIZE); pr_debug("bit_rate %d, sensf_res_len %d\n", nfcf_poll->bit_rate, nfcf_poll->sensf_res_len); @@ -331,7 +331,7 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev, switch (ntf->activation_rf_tech_and_mode) { case NCI_NFC_A_PASSIVE_POLL_MODE: nfca_poll = &ntf->activation_params.nfca_poll_iso_dep; - nfca_poll->rats_res_len = *data++; + nfca_poll->rats_res_len = min_t(__u8, *data++, 20); pr_debug("rats_res_len %d\n", nfca_poll->rats_res_len); if (nfca_poll->rats_res_len > 0) { memcpy(nfca_poll->rats_res, @@ -341,7 +341,7 @@ static int nci_extract_activation_params_iso_dep(struct nci_dev *ndev, case NCI_NFC_B_PASSIVE_POLL_MODE: nfcb_poll = &ntf->activation_params.nfcb_poll_iso_dep; - nfcb_poll->attrib_res_len = *data++; + nfcb_poll->attrib_res_len = min_t(__u8, *data++, 50); pr_debug("attrib_res_len %d\n", nfcb_poll->attrib_res_len); if (nfcb_poll->attrib_res_len > 0) { memcpy(nfcb_poll->attrib_res, diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 03c31db..f4f07f9 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -167,7 +167,7 @@ int nfc_genl_targets_found(struct nfc_dev *dev) dev->genl_data.poll_req_pid = 0; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); if (!msg) return -ENOMEM; @@ -195,7 +195,7 @@ int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx) struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -226,7 +226,7 @@ int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol) struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -258,7 +258,7 @@ int nfc_genl_tm_deactivated(struct nfc_dev *dev) struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -288,7 +288,7 @@ int nfc_genl_device_added(struct nfc_dev *dev) struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -321,7 +321,7 @@ int nfc_genl_device_removed(struct nfc_dev *dev) struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; @@ -434,7 +434,7 @@ int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx, pr_debug("DEP link is up\n"); - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); if (!msg) return -ENOMEM; @@ -473,7 +473,7 @@ int nfc_genl_dep_link_down_event(struct nfc_dev *dev) pr_debug("DEP link is down\n"); - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); if (!msg) return -ENOMEM; @@ -514,7 +514,7 @@ static int nfc_genl_get_device(struct sk_buff *skb, struct genl_info *info) if (!dev) return -ENODEV; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { rc = -ENOMEM; goto out_putdev; diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c index ec1134c..8b8a6a2 100644 --- a/net/nfc/rawsock.c +++ b/net/nfc/rawsock.c @@ -54,7 +54,10 @@ static int rawsock_release(struct socket *sock) { struct sock *sk = sock->sk; - pr_debug("sock=%p\n", sock); + pr_debug("sock=%p sk=%p\n", sock, sk); + + if (!sk) + return 0; sock_orphan(sk); sock_put(sk); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 8a10d5b..ceaca7c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -531,6 +531,7 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po, unsigned int mbits = 0, msec = 0, div = 0, tmo = 0; struct ethtool_cmd ecmd; int err; + u32 speed; rtnl_lock(); dev = __dev_get_by_index(sock_net(&po->sk), po->ifindex); @@ -539,25 +540,18 @@ static int prb_calc_retire_blk_tmo(struct packet_sock *po, return DEFAULT_PRB_RETIRE_TOV; } err = __ethtool_get_settings(dev, &ecmd); + speed = ethtool_cmd_speed(&ecmd); rtnl_unlock(); if (!err) { - switch (ecmd.speed) { - case SPEED_10000: - msec = 1; - div = 10000/1000; - break; - case SPEED_1000: - msec = 1; - div = 1000/1000; - break; /* * If the link speed is so slow you don't really * need to worry about perf anyways */ - case SPEED_100: - case SPEED_10: - default: + if (speed < SPEED_1000 || speed == SPEED_UNKNOWN) { return DEFAULT_PRB_RETIRE_TOV; + } else { + msec = 1; + div = speed / 1000; } } diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c index ca0c296..4741671 100644 --- a/net/sched/sch_teql.c +++ b/net/sched/sch_teql.c @@ -67,7 +67,6 @@ struct teql_master { struct teql_sched_data { struct Qdisc *next; struct teql_master *m; - struct neighbour *ncache; struct sk_buff_head q; }; @@ -134,7 +133,6 @@ teql_reset(struct Qdisc *sch) skb_queue_purge(&dat->q); sch->q.qlen = 0; - teql_neigh_release(xchg(&dat->ncache, NULL)); } static void @@ -166,7 +164,6 @@ teql_destroy(struct Qdisc *sch) } } skb_queue_purge(&dat->q); - teql_neigh_release(xchg(&dat->ncache, NULL)); break; } @@ -225,21 +222,25 @@ static int teql_qdisc_init(struct Qdisc *sch, struct nlattr *opt) static int __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *dev, struct netdev_queue *txq, - struct neighbour *mn) + struct dst_entry *dst) { - struct teql_sched_data *q = qdisc_priv(txq->qdisc); - struct neighbour *n = q->ncache; + struct neighbour *n; + int err = 0; - if (mn->tbl == NULL) - return -EINVAL; - if (n && n->tbl == mn->tbl && - memcmp(n->primary_key, mn->primary_key, mn->tbl->key_len) == 0) { - atomic_inc(&n->refcnt); - } else { - n = __neigh_lookup_errno(mn->tbl, mn->primary_key, dev); - if (IS_ERR(n)) - return PTR_ERR(n); + n = dst_neigh_lookup_skb(dst, skb); + if (!n) + return -ENOENT; + + if (dst->dev != dev) { + struct neighbour *mn; + + mn = __neigh_lookup_errno(n->tbl, n->primary_key, dev); + neigh_release(n); + if (IS_ERR(mn)) + return PTR_ERR(mn); + n = mn; } + if (neigh_event_send(n, skb_res) == 0) { int err; char haddr[MAX_ADDR_LEN]; @@ -248,15 +249,13 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, err = dev_hard_header(skb, dev, ntohs(skb->protocol), haddr, NULL, skb->len); - if (err < 0) { - neigh_release(n); - return -EINVAL; - } - teql_neigh_release(xchg(&q->ncache, n)); - return 0; + if (err < 0) + err = -EINVAL; + } else { + err = (skb_res == NULL) ? -EAGAIN : 1; } neigh_release(n); - return (skb_res == NULL) ? -EAGAIN : 1; + return err; } static inline int teql_resolve(struct sk_buff *skb, @@ -265,7 +264,6 @@ static inline int teql_resolve(struct sk_buff *skb, struct netdev_queue *txq) { struct dst_entry *dst = skb_dst(skb); - struct neighbour *mn; int res; if (txq->qdisc == &noop_qdisc) @@ -275,8 +273,7 @@ static inline int teql_resolve(struct sk_buff *skb, return 0; rcu_read_lock(); - mn = dst_get_neighbour_noref(dst); - res = mn ? __teql_resolve(skb, skb_res, dev, txq, mn) : 0; + res = __teql_resolve(skb, skb_res, dev, txq, dst); rcu_read_unlock(); return res; diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 5bc9ab1..b16517e 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -271,6 +271,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a */ asoc->peer.sack_needed = 1; asoc->peer.sack_cnt = 0; + asoc->peer.sack_generation = 1; /* Assume that the peer will tell us if he recognizes ASCONF * as part of INIT exchange. diff --git a/net/sctp/output.c b/net/sctp/output.c index f1b7d4b..6ae47ac 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -248,6 +248,11 @@ static sctp_xmit_t sctp_packet_bundle_sack(struct sctp_packet *pkt, /* If the SACK timer is running, we have a pending SACK */ if (timer_pending(timer)) { struct sctp_chunk *sack; + + if (pkt->transport->sack_generation != + pkt->transport->asoc->peer.sack_generation) + return retval; + asoc->a_rwnd = asoc->rwnd; sack = sctp_make_sack(asoc); if (sack) { diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index a85eeeb..b6de71e 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -734,8 +734,10 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc) int len; __u32 ctsn; __u16 num_gabs, num_dup_tsns; + struct sctp_association *aptr = (struct sctp_association *)asoc; struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map; struct sctp_gap_ack_block gabs[SCTP_MAX_GABS]; + struct sctp_transport *trans; memset(gabs, 0, sizeof(gabs)); ctsn = sctp_tsnmap_get_ctsn(map); @@ -805,6 +807,20 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc) sctp_addto_chunk(retval, sizeof(__u32) * num_dup_tsns, sctp_tsnmap_get_dups(map)); + /* Once we have a sack generated, check to see what our sack + * generation is, if its 0, reset the transports to 0, and reset + * the association generation to 1 + * + * The idea is that zero is never used as a valid generation for the + * association so no transport will match after a wrap event like this, + * Until the next sack + */ + if (++aptr->peer.sack_generation == 0) { + list_for_each_entry(trans, &asoc->peer.transport_addr_list, + transports) + trans->sack_generation = 0; + aptr->peer.sack_generation = 1; + } nodata: return retval; } diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index c96d1a8..8716da1 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1268,7 +1268,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, case SCTP_CMD_REPORT_TSN: /* Record the arrival of a TSN. */ error = sctp_tsnmap_mark(&asoc->peer.tsn_map, - cmd->obj.u32); + cmd->obj.u32, NULL); break; case SCTP_CMD_REPORT_FWDTSN: diff --git a/net/sctp/transport.c b/net/sctp/transport.c index b026ba0..1dcceb6 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -68,6 +68,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer, peer->af_specific = sctp_get_af_specific(addr->sa.sa_family); memset(&peer->saddr, 0, sizeof(union sctp_addr)); + peer->sack_generation = 0; + /* From 6.3.1 RTO Calculation: * * C1) Until an RTT measurement has been made for a packet sent to the diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c index f1e40ceb..b5fb7c40 100644 --- a/net/sctp/tsnmap.c +++ b/net/sctp/tsnmap.c @@ -114,7 +114,8 @@ int sctp_tsnmap_check(const struct sctp_tsnmap *map, __u32 tsn) /* Mark this TSN as seen. */ -int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn) +int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn, + struct sctp_transport *trans) { u16 gap; @@ -133,6 +134,9 @@ int sctp_tsnmap_mark(struct sctp_tsnmap *map, __u32 tsn) */ map->max_tsn_seen++; map->cumulative_tsn_ack_point++; + if (trans) + trans->sack_generation = + trans->asoc->peer.sack_generation; map->base_tsn++; } else { /* Either we already have a gap, or about to record a gap, so diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index 8a84017..33d8947 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -715,7 +715,8 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc, * can mark it as received so the tsn_map is updated correctly. */ if (sctp_tsnmap_mark(&asoc->peer.tsn_map, - ntohl(chunk->subh.data_hdr->tsn))) + ntohl(chunk->subh.data_hdr->tsn), + chunk->transport)) goto fail_mark; /* First calculate the padding, so we don't inadvertently diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c index f2d1de7..f5a6a4f 100644 --- a/net/sctp/ulpqueue.c +++ b/net/sctp/ulpqueue.c @@ -1051,7 +1051,7 @@ void sctp_ulpq_renege(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk, if (chunk && (freed >= needed)) { __u32 tsn; tsn = ntohl(chunk->subh.data_hdr->tsn); - sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn); + sctp_tsnmap_mark(&asoc->peer.tsn_map, tsn, chunk->transport); sctp_ulpq_tail_data(ulpq, chunk, gfp); sctp_ulpq_partial_delivery(ulpq, chunk, gfp); diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index 0404047..21fde99 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -71,7 +71,9 @@ static void rpc_purge_list(wait_queue_head_t *waitq, struct list_head *head, msg->errno = err; destroy_msg(msg); } while (!list_empty(head)); - wake_up(waitq); + + if (waitq) + wake_up(waitq); } static void @@ -91,11 +93,9 @@ rpc_timeout_upcall_queue(struct work_struct *work) } dentry = dget(pipe->dentry); spin_unlock(&pipe->lock); - if (dentry) { - rpc_purge_list(&RPC_I(dentry->d_inode)->waitq, - &free_list, destroy_msg, -ETIMEDOUT); - dput(dentry); - } + rpc_purge_list(dentry ? &RPC_I(dentry->d_inode)->waitq : NULL, + &free_list, destroy_msg, -ETIMEDOUT); + dput(dentry); } ssize_t rpc_pipe_generic_upcall(struct file *filp, struct rpc_pipe_msg *msg, diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 7e9baaa..3ee7461 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -1374,7 +1374,8 @@ bc_svc_process(struct svc_serv *serv, struct rpc_rqst *req, sizeof(req->rq_snd_buf)); return bc_send(req); } else { - /* Nothing to do to drop request */ + /* drop request */ + xprt_free_bc_request(req); return 0; } } diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index a6de09d..18bc130 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -43,6 +43,7 @@ #include <net/tcp_states.h> #include <asm/uaccess.h> #include <asm/ioctls.h> +#include <trace/events/skb.h> #include <linux/sunrpc/types.h> #include <linux/sunrpc/clnt.h> @@ -619,6 +620,8 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) if (!svc_udp_get_dest_address(rqstp, cmh)) { net_warn_ratelimited("svc: received unknown control message %d/%d; dropping RPC reply datagram\n", cmh->cmsg_level, cmh->cmsg_type); +out_free: + trace_kfree_skb(skb, svc_udp_recvfrom); skb_free_datagram_locked(svsk->sk_sk, skb); return 0; } @@ -630,8 +633,7 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) if (csum_partial_copy_to_xdr(&rqstp->rq_arg, skb)) { local_bh_enable(); /* checksum error */ - skb_free_datagram_locked(svsk->sk_sk, skb); - return 0; + goto out_free; } local_bh_enable(); skb_free_datagram_locked(svsk->sk_sk, skb); @@ -640,10 +642,8 @@ static int svc_udp_recvfrom(struct svc_rqst *rqstp) rqstp->rq_arg.head[0].iov_base = skb->data + sizeof(struct udphdr); rqstp->rq_arg.head[0].iov_len = len; - if (skb_checksum_complete(skb)) { - skb_free_datagram_locked(svsk->sk_sk, skb); - return 0; - } + if (skb_checksum_complete(skb)) + goto out_free; rqstp->rq_xprt_ctxt = skb; } diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 890b03f..62d0dac 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1014,9 +1014,6 @@ static void xs_udp_data_ready(struct sock *sk, int len) UDPX_INC_STATS_BH(sk, UDP_MIB_INDATAGRAMS); - /* Something worked... */ - dst_confirm(skb_dst(skb)); - xprt_adjust_cwnd(task, copied); xprt_complete_rqst(task, copied); diff --git a/net/unix/diag.c b/net/unix/diag.c index 977ca31..a74864e 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -8,40 +8,31 @@ #include <net/af_unix.h> #include <net/tcp_states.h> -#define UNIX_DIAG_PUT(skb, attrtype, attrlen) \ - RTA_DATA(__RTA_PUT(skb, attrtype, attrlen)) - static int sk_diag_dump_name(struct sock *sk, struct sk_buff *nlskb) { struct unix_address *addr = unix_sk(sk)->addr; - char *s; - - if (addr) { - s = UNIX_DIAG_PUT(nlskb, UNIX_DIAG_NAME, addr->len - sizeof(short)); - memcpy(s, addr->name->sun_path, addr->len - sizeof(short)); - } - return 0; + if (!addr) + return 0; -rtattr_failure: - return -EMSGSIZE; + return nla_put(nlskb, UNIX_DIAG_NAME, addr->len - sizeof(short), + addr->name->sun_path); } static int sk_diag_dump_vfs(struct sock *sk, struct sk_buff *nlskb) { struct dentry *dentry = unix_sk(sk)->path.dentry; - struct unix_diag_vfs *uv; if (dentry) { - uv = UNIX_DIAG_PUT(nlskb, UNIX_DIAG_VFS, sizeof(*uv)); - uv->udiag_vfs_ino = dentry->d_inode->i_ino; - uv->udiag_vfs_dev = dentry->d_sb->s_dev; + struct unix_diag_vfs uv = { + .udiag_vfs_ino = dentry->d_inode->i_ino, + .udiag_vfs_dev = dentry->d_sb->s_dev, + }; + + return nla_put(nlskb, UNIX_DIAG_VFS, sizeof(uv), &uv); } return 0; - -rtattr_failure: - return -EMSGSIZE; } static int sk_diag_dump_peer(struct sock *sk, struct sk_buff *nlskb) @@ -56,24 +47,28 @@ static int sk_diag_dump_peer(struct sock *sk, struct sk_buff *nlskb) unix_state_unlock(peer); sock_put(peer); - RTA_PUT_U32(nlskb, UNIX_DIAG_PEER, ino); + return nla_put_u32(nlskb, UNIX_DIAG_PEER, ino); } return 0; -rtattr_failure: - return -EMSGSIZE; } static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb) { struct sk_buff *skb; + struct nlattr *attr; u32 *buf; int i; if (sk->sk_state == TCP_LISTEN) { spin_lock(&sk->sk_receive_queue.lock); - buf = UNIX_DIAG_PUT(nlskb, UNIX_DIAG_ICONS, - sk->sk_receive_queue.qlen * sizeof(u32)); + + attr = nla_reserve(nlskb, UNIX_DIAG_ICONS, + sk->sk_receive_queue.qlen * sizeof(u32)); + if (!attr) + goto errout; + + buf = nla_data(attr); i = 0; skb_queue_walk(&sk->sk_receive_queue, skb) { struct sock *req, *peer; @@ -94,45 +89,38 @@ static int sk_diag_dump_icons(struct sock *sk, struct sk_buff *nlskb) return 0; -rtattr_failure: +errout: spin_unlock(&sk->sk_receive_queue.lock); return -EMSGSIZE; } static int sk_diag_show_rqlen(struct sock *sk, struct sk_buff *nlskb) { - struct unix_diag_rqlen *rql; - - rql = UNIX_DIAG_PUT(nlskb, UNIX_DIAG_RQLEN, sizeof(*rql)); + struct unix_diag_rqlen rql; if (sk->sk_state == TCP_LISTEN) { - rql->udiag_rqueue = sk->sk_receive_queue.qlen; - rql->udiag_wqueue = sk->sk_max_ack_backlog; + rql.udiag_rqueue = sk->sk_receive_queue.qlen; + rql.udiag_wqueue = sk->sk_max_ack_backlog; } else { - rql->udiag_rqueue = (__u32)unix_inq_len(sk); - rql->udiag_wqueue = (__u32)unix_outq_len(sk); + rql.udiag_rqueue = (u32) unix_inq_len(sk); + rql.udiag_wqueue = (u32) unix_outq_len(sk); } - return 0; - -rtattr_failure: - return -EMSGSIZE; + return nla_put(nlskb, UNIX_DIAG_RQLEN, sizeof(rql), &rql); } static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_req *req, u32 pid, u32 seq, u32 flags, int sk_ino) { - unsigned char *b = skb_tail_pointer(skb); struct nlmsghdr *nlh; struct unix_diag_msg *rep; - nlh = nlmsg_put(skb, pid, seq, SOCK_DIAG_BY_FAMILY, sizeof(*rep), 0); + nlh = nlmsg_put(skb, pid, seq, SOCK_DIAG_BY_FAMILY, sizeof(*rep), + flags); if (!nlh) - goto out_nlmsg_trim; - nlh->nlmsg_flags = flags; + return -EMSGSIZE; rep = nlmsg_data(nlh); - rep->udiag_family = AF_UNIX; rep->udiag_type = sk->sk_type; rep->udiag_state = sk->sk_state; @@ -163,11 +151,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, struct unix_diag_r sock_diag_put_meminfo(sk, skb, UNIX_DIAG_MEMINFO)) goto out_nlmsg_trim; - nlh->nlmsg_len = skb_tail_pointer(skb) - b; - return skb->len; + return nlmsg_end(skb, nlh); out_nlmsg_trim: - nlmsg_trim(skb, b); + nlmsg_cancel(skb, nlh); return -EMSGSIZE; } @@ -272,15 +259,14 @@ static int unix_diag_get_exact(struct sk_buff *in_skb, extra_len = 256; again: err = -ENOMEM; - rep = alloc_skb(NLMSG_SPACE((sizeof(struct unix_diag_msg) + extra_len)), - GFP_KERNEL); + rep = nlmsg_new(sizeof(struct unix_diag_msg) + extra_len, GFP_KERNEL); if (!rep) goto out; err = sk_diag_fill(sk, rep, req, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, 0, req->udiag_ino); if (err < 0) { - kfree_skb(rep); + nlmsg_free(rep); extra_len += 256; if (extra_len >= PAGE_SIZE) goto out; diff --git a/net/wireless/core.c b/net/wireless/core.c index a87d435..907f62c 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -96,69 +96,6 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx) return &rdev->wiphy; } -/* requires cfg80211_mutex to be held! */ -struct cfg80211_registered_device * -__cfg80211_rdev_from_info(struct genl_info *info) -{ - int ifindex; - struct cfg80211_registered_device *bywiphyidx = NULL, *byifidx = NULL; - struct net_device *dev; - int err = -EINVAL; - - assert_cfg80211_lock(); - - if (info->attrs[NL80211_ATTR_WIPHY]) { - bywiphyidx = cfg80211_rdev_by_wiphy_idx( - nla_get_u32(info->attrs[NL80211_ATTR_WIPHY])); - err = -ENODEV; - } - - if (info->attrs[NL80211_ATTR_IFINDEX]) { - ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); - dev = dev_get_by_index(genl_info_net(info), ifindex); - if (dev) { - if (dev->ieee80211_ptr) - byifidx = - wiphy_to_dev(dev->ieee80211_ptr->wiphy); - dev_put(dev); - } - err = -ENODEV; - } - - if (bywiphyidx && byifidx) { - if (bywiphyidx != byifidx) - return ERR_PTR(-EINVAL); - else - return bywiphyidx; /* == byifidx */ - } - if (bywiphyidx) - return bywiphyidx; - - if (byifidx) - return byifidx; - - return ERR_PTR(err); -} - -struct cfg80211_registered_device * -cfg80211_get_dev_from_info(struct genl_info *info) -{ - struct cfg80211_registered_device *rdev; - - mutex_lock(&cfg80211_mutex); - rdev = __cfg80211_rdev_from_info(info); - - /* if it is not an error we grab the lock on - * it to assure it won't be going away while - * we operate on it */ - if (!IS_ERR(rdev)) - mutex_lock(&rdev->mtx); - - mutex_unlock(&cfg80211_mutex); - - return rdev; -} - struct cfg80211_registered_device * cfg80211_get_dev_from_ifindex(struct net *net, int ifindex) { diff --git a/net/wireless/core.h b/net/wireless/core.h index 9348a47..609a579 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -159,32 +159,6 @@ static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); int get_wiphy_idx(struct wiphy *wiphy); -struct cfg80211_registered_device * -__cfg80211_rdev_from_info(struct genl_info *info); - -/* - * This function returns a pointer to the driver - * that the genl_info item that is passed refers to. - * If successful, it returns non-NULL and also locks - * the driver's mutex! - * - * This means that you need to call cfg80211_unlock_rdev() - * before being allowed to acquire &cfg80211_mutex! - * - * This is necessary because we need to lock the global - * mutex to get an item off the list safely, and then - * we lock the rdev mutex so it doesn't go away under us. - * - * We don't want to keep cfg80211_mutex locked - * for all the time in order to allow requests on - * other interfaces to go through at the same time. - * - * The result of this can be a PTR_ERR and hence must - * be checked with IS_ERR() for errors. - */ -extern struct cfg80211_registered_device * -cfg80211_get_dev_from_info(struct genl_info *info); - /* requires cfg80211_rdev_mutex to be held! */ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index b44c736..3b73b07 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -14,6 +14,9 @@ #define MESH_PATH_TIMEOUT 5000 #define MESH_RANN_INTERVAL 5000 +#define MESH_PATH_TO_ROOT_TIMEOUT 6000 +#define MESH_ROOT_INTERVAL 5000 +#define MESH_ROOT_CONFIRMATION_INTERVAL 2000 /* * Minimum interval between two consecutive PREQs originated by the same @@ -62,6 +65,9 @@ const struct mesh_config default_mesh_config = { .dot11MeshForwarding = true, .rssi_threshold = MESH_RSSI_THRESHOLD, .ht_opmode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED, + .dot11MeshHWMPactivePathToRootTimeout = MESH_PATH_TO_ROOT_TIMEOUT, + .dot11MeshHWMProotInterval = MESH_ROOT_INTERVAL, + .dot11MeshHWMPconfirmationInterval = MESH_ROOT_CONFIRMATION_INTERVAL, }; const struct mesh_setup default_mesh_setup = { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 7ae54b8..3b508ea 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -70,6 +70,94 @@ static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs, return 0; } +static struct cfg80211_registered_device * +__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) +{ + struct cfg80211_registered_device *rdev = NULL, *tmp; + struct net_device *netdev; + + assert_cfg80211_lock(); + + if (!attrs[NL80211_ATTR_WIPHY] && + !attrs[NL80211_ATTR_IFINDEX]) + return ERR_PTR(-EINVAL); + + if (attrs[NL80211_ATTR_WIPHY]) + rdev = cfg80211_rdev_by_wiphy_idx( + nla_get_u32(attrs[NL80211_ATTR_WIPHY])); + + if (attrs[NL80211_ATTR_IFINDEX]) { + int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); + netdev = dev_get_by_index(netns, ifindex); + if (netdev) { + if (netdev->ieee80211_ptr) + tmp = wiphy_to_dev( + netdev->ieee80211_ptr->wiphy); + else + tmp = NULL; + + dev_put(netdev); + + /* not wireless device -- return error */ + if (!tmp) + return ERR_PTR(-EINVAL); + + /* mismatch -- return error */ + if (rdev && tmp != rdev) + return ERR_PTR(-EINVAL); + + rdev = tmp; + } + } + + if (!rdev) + return ERR_PTR(-ENODEV); + + if (netns != wiphy_net(&rdev->wiphy)) + return ERR_PTR(-ENODEV); + + return rdev; +} + +/* + * This function returns a pointer to the driver + * that the genl_info item that is passed refers to. + * If successful, it returns non-NULL and also locks + * the driver's mutex! + * + * This means that you need to call cfg80211_unlock_rdev() + * before being allowed to acquire &cfg80211_mutex! + * + * This is necessary because we need to lock the global + * mutex to get an item off the list safely, and then + * we lock the rdev mutex so it doesn't go away under us. + * + * We don't want to keep cfg80211_mutex locked + * for all the time in order to allow requests on + * other interfaces to go through at the same time. + * + * The result of this can be a PTR_ERR and hence must + * be checked with IS_ERR() for errors. + */ +static struct cfg80211_registered_device * +cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev; + + mutex_lock(&cfg80211_mutex); + rdev = __cfg80211_rdev_from_attrs(netns, info->attrs); + + /* if it is not an error we grab the lock on + * it to assure it won't be going away while + * we operate on it */ + if (!IS_ERR(rdev)) + mutex_lock(&rdev->mtx); + + mutex_unlock(&cfg80211_mutex); + + return rdev; +} + /* policy for the attributes */ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, @@ -115,7 +203,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_MESH_ID_LEN }, + .len = IEEE80211_MAX_MESH_ID_LEN }, [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, @@ -250,8 +338,9 @@ nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { static const struct nla_policy nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { - [NL80211_ATTR_SCHED_SCAN_MATCH_SSID] = { .type = NLA_BINARY, + [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, .len = IEEE80211_MAX_SSID_LEN }, + [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, }; /* ifidx get helper */ @@ -1334,7 +1423,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) } if (!netdev) { - rdev = __cfg80211_rdev_from_info(info); + rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), + info->attrs); if (IS_ERR(rdev)) { mutex_unlock(&cfg80211_mutex); return PTR_ERR(rdev); @@ -2246,6 +2336,33 @@ static int nl80211_parse_beacon(struct genl_info *info, return 0; } +static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, + struct cfg80211_ap_settings *params) +{ + struct wireless_dev *wdev; + bool ret = false; + + mutex_lock(&rdev->devlist_mtx); + + list_for_each_entry(wdev, &rdev->netdev_list, list) { + if (wdev->iftype != NL80211_IFTYPE_AP && + wdev->iftype != NL80211_IFTYPE_P2P_GO) + continue; + + if (!wdev->preset_chan) + continue; + + params->channel = wdev->preset_chan; + params->channel_type = wdev->preset_chantype; + ret = true; + break; + } + + mutex_unlock(&rdev->devlist_mtx); + + return ret; +} + static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; @@ -2348,7 +2465,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) } else if (wdev->preset_chan) { params.channel = wdev->preset_chan; params.channel_type = wdev->preset_chantype; - } else + } else if (!nl80211_get_ap_channel(rdev, ¶ms)) return -EINVAL; if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, params.channel, @@ -2356,8 +2473,11 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) return -EINVAL; err = rdev->ops->start_ap(&rdev->wiphy, dev, ¶ms); - if (!err) + if (!err) { + wdev->preset_chan = params.channel; + wdev->preset_chantype = params.channel_type; wdev->beacon_interval = params.beacon_interval; + } return err; } @@ -3469,7 +3589,13 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, nla_put_u32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, cur_params.rssi_threshold) || nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, - cur_params.ht_opmode)) + cur_params.ht_opmode) || + nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, + cur_params.dot11MeshHWMPactivePathToRootTimeout) || + nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, + cur_params.dot11MeshHWMProotInterval) || + nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, + cur_params.dot11MeshHWMPconfirmationInterval)) goto nla_put_failure; nla_nest_end(msg, pinfoattr); genlmsg_end(msg, hdr); @@ -3492,7 +3618,6 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, - [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, @@ -3504,8 +3629,11 @@ static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_A [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, - [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32}, - [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16}, + [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, + [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, + [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, + [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, + [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, }; static const struct nla_policy @@ -3515,7 +3643,7 @@ static const struct nla_policy [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, - .len = IEEE80211_MAX_DATA_LEN }, + .len = IEEE80211_MAX_DATA_LEN }, [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, }; @@ -3548,63 +3676,82 @@ do {\ /* Fill in the params struct */ FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, - mask, NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); + mask, NL80211_MESHCONF_RETRY_TIMEOUT, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, - mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, nla_get_u16); + mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, - mask, NL80211_MESHCONF_HOLDING_TIMEOUT, nla_get_u16); + mask, NL80211_MESHCONF_HOLDING_TIMEOUT, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, - mask, NL80211_MESHCONF_MAX_PEER_LINKS, nla_get_u16); + mask, NL80211_MESHCONF_MAX_PEER_LINKS, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, - mask, NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); + mask, NL80211_MESHCONF_MAX_RETRIES, + nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, - mask, NL80211_MESHCONF_TTL, nla_get_u8); + mask, NL80211_MESHCONF_TTL, nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, - mask, NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); + mask, NL80211_MESHCONF_ELEMENT_TTL, + nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, - mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, - mask, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, - nla_get_u32); + mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, + nla_get_u8); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, mask, + NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, + nla_get_u32); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, - mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, - nla_get_u8); + mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, + nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, - mask, NL80211_MESHCONF_PATH_REFRESH_TIME, nla_get_u32); + mask, NL80211_MESHCONF_PATH_REFRESH_TIME, + nla_get_u32); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, - mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, - nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, - mask, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, - nla_get_u32); + mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, + nla_get_u16); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, mask, + NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, + nla_get_u32); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, - mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, - nla_get_u16); + mask, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, - mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, - nla_get_u16); + mask, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshHWMPnetDiameterTraversalTime, - mask, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, - nla_get_u16); + dot11MeshHWMPnetDiameterTraversalTime, mask, + NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, + nla_get_u16); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask, + NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask, + NL80211_MESHCONF_HWMP_RANN_INTERVAL, + nla_get_u16); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshHWMPRootMode, mask, - NL80211_MESHCONF_HWMP_ROOTMODE, - nla_get_u8); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshHWMPRannInterval, mask, - NL80211_MESHCONF_HWMP_RANN_INTERVAL, - nla_get_u16); - FILL_IN_MESH_PARAM_IF_SET(tb, cfg, - dot11MeshGateAnnouncementProtocol, mask, - NL80211_MESHCONF_GATE_ANNOUNCEMENTS, - nla_get_u8); + dot11MeshGateAnnouncementProtocol, mask, + NL80211_MESHCONF_GATE_ANNOUNCEMENTS, + nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, - mask, NL80211_MESHCONF_FORWARDING, nla_get_u8); + mask, NL80211_MESHCONF_FORWARDING, + nla_get_u8); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, - mask, NL80211_MESHCONF_RSSI_THRESHOLD, nla_get_u32); + mask, NL80211_MESHCONF_RSSI_THRESHOLD, + nla_get_u32); FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, - mask, NL80211_MESHCONF_HT_OPMODE, nla_get_u16); + mask, NL80211_MESHCONF_HT_OPMODE, + nla_get_u16); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, + mask, + NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, + nla_get_u32); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, + mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, + nla_get_u16); + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, + dot11MeshHWMPconfirmationInterval, mask, + NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, + nla_get_u16); if (mask_out) *mask_out = mask; @@ -4241,12 +4388,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH], tmp) { - struct nlattr *ssid; + struct nlattr *ssid, *rssi; nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX, nla_data(attr), nla_len(attr), nl80211_match_policy); - ssid = tb[NL80211_ATTR_SCHED_SCAN_MATCH_SSID]; + ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; if (ssid) { if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { err = -EINVAL; @@ -4257,6 +4404,12 @@ static int nl80211_start_sched_scan(struct sk_buff *skb, request->match_sets[i].ssid.ssid_len = nla_len(ssid); } + rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; + if (rssi) + request->rssi_thold = nla_get_u32(rssi); + else + request->rssi_thold = + NL80211_SCAN_RSSI_THOLD_OFF; i++; } } @@ -5114,21 +5267,18 @@ static int nl80211_testmode_dump(struct sk_buff *skb, nl80211_policy); if (err) return err; - if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) { - phy_idx = nla_get_u32( - nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]); - } else { - struct net_device *netdev; - err = get_rdev_dev_by_ifindex(sock_net(skb->sk), - nl80211_fam.attrbuf, - &rdev, &netdev); - if (err) - return err; - dev_put(netdev); - phy_idx = rdev->wiphy_idx; - cfg80211_unlock_rdev(rdev); + mutex_lock(&cfg80211_mutex); + rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), + nl80211_fam.attrbuf); + if (IS_ERR(rdev)) { + mutex_unlock(&cfg80211_mutex); + return PTR_ERR(rdev); } + phy_idx = rdev->wiphy_idx; + rdev = NULL; + mutex_unlock(&cfg80211_mutex); + if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]) cb->args[1] = (long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA]; @@ -6511,7 +6661,7 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, rtnl_lock(); if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { - rdev = cfg80211_get_dev_from_info(info); + rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); if (IS_ERR(rdev)) { if (rtnl) rtnl_unlock(); @@ -7210,7 +7360,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, { struct sk_buff *msg; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; @@ -7286,7 +7436,7 @@ void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, { struct sk_buff *msg; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; @@ -7502,7 +7652,7 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -7542,7 +7692,7 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -7580,7 +7730,7 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; @@ -7842,7 +7992,7 @@ void nl80211_send_sta_event(struct cfg80211_registered_device *rdev, { struct sk_buff *msg; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -7863,7 +8013,7 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -8026,7 +8176,7 @@ nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device *rdev, struct nlattr *pinfoattr; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -8069,7 +8219,7 @@ void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, struct nlattr *rekey_attr; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -8113,7 +8263,7 @@ void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, struct nlattr *attr; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -8157,7 +8307,7 @@ void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, struct sk_buff *msg; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -8192,7 +8342,7 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, struct nlattr *pinfoattr; void *hdr; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; @@ -8236,7 +8386,7 @@ void cfg80211_probe_status(struct net_device *dev, const u8 *addr, void *hdr; int err; - msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); if (!msg) return; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index ccfbd32..6e97855 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1500,9 +1500,6 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy, if (!dev) goto free_dst; - /* Copy neighbour for reachability confirmation */ - dst_set_neighbour(dst0, neigh_clone(dst_get_neighbour_noref(dst))); - xfrm_init_path((struct xfrm_dst *)dst0, dst, nfheader_len); xfrm_init_pmtu(dst_prev); @@ -2404,9 +2401,11 @@ static unsigned int xfrm_mtu(const struct dst_entry *dst) return mtu ? : dst_mtu(dst->path); } -static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, const void *daddr) +static struct neighbour *xfrm_neigh_lookup(const struct dst_entry *dst, + struct sk_buff *skb, + const void *daddr) { - return dst_neigh_lookup(dst->path, daddr); + return dst->path->ops->neigh_lookup(dst, skb, daddr); } int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 44293b3..e75d8e4 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -754,58 +754,67 @@ static int copy_to_user_state_extra(struct xfrm_state *x, struct xfrm_usersa_info *p, struct sk_buff *skb) { - copy_to_user_state(x, p); - - if (x->coaddr && - nla_put(skb, XFRMA_COADDR, sizeof(*x->coaddr), x->coaddr)) - goto nla_put_failure; - - if (x->lastused && - nla_put_u64(skb, XFRMA_LASTUSED, x->lastused)) - goto nla_put_failure; - - if (x->aead && - nla_put(skb, XFRMA_ALG_AEAD, aead_len(x->aead), x->aead)) - goto nla_put_failure; - - if (x->aalg && - (copy_to_user_auth(x->aalg, skb) || - nla_put(skb, XFRMA_ALG_AUTH_TRUNC, - xfrm_alg_auth_len(x->aalg), x->aalg))) - goto nla_put_failure; - - if (x->ealg && - nla_put(skb, XFRMA_ALG_CRYPT, xfrm_alg_len(x->ealg), x->ealg)) - goto nla_put_failure; - - if (x->calg && - nla_put(skb, XFRMA_ALG_COMP, sizeof(*(x->calg)), x->calg)) - goto nla_put_failure; - - if (x->encap && - nla_put(skb, XFRMA_ENCAP, sizeof(*x->encap), x->encap)) - goto nla_put_failure; + int ret = 0; - if (x->tfcpad && - nla_put_u32(skb, XFRMA_TFCPAD, x->tfcpad)) - goto nla_put_failure; - - if (xfrm_mark_put(skb, &x->mark)) - goto nla_put_failure; - - if (x->replay_esn && - nla_put(skb, XFRMA_REPLAY_ESN_VAL, - xfrm_replay_state_esn_len(x->replay_esn), - x->replay_esn)) - goto nla_put_failure; - - if (x->security && copy_sec_ctx(x->security, skb)) - goto nla_put_failure; - - return 0; + copy_to_user_state(x, p); -nla_put_failure: - return -EMSGSIZE; + if (x->coaddr) { + ret = nla_put(skb, XFRMA_COADDR, sizeof(*x->coaddr), x->coaddr); + if (ret) + goto out; + } + if (x->lastused) { + ret = nla_put_u64(skb, XFRMA_LASTUSED, x->lastused); + if (ret) + goto out; + } + if (x->aead) { + ret = nla_put(skb, XFRMA_ALG_AEAD, aead_len(x->aead), x->aead); + if (ret) + goto out; + } + if (x->aalg) { + ret = copy_to_user_auth(x->aalg, skb); + if (!ret) + ret = nla_put(skb, XFRMA_ALG_AUTH_TRUNC, + xfrm_alg_auth_len(x->aalg), x->aalg); + if (ret) + goto out; + } + if (x->ealg) { + ret = nla_put(skb, XFRMA_ALG_CRYPT, xfrm_alg_len(x->ealg), x->ealg); + if (ret) + goto out; + } + if (x->calg) { + ret = nla_put(skb, XFRMA_ALG_COMP, sizeof(*(x->calg)), x->calg); + if (ret) + goto out; + } + if (x->encap) { + ret = nla_put(skb, XFRMA_ENCAP, sizeof(*x->encap), x->encap); + if (ret) + goto out; + } + if (x->tfcpad) { + ret = nla_put_u32(skb, XFRMA_TFCPAD, x->tfcpad); + if (ret) + goto out; + } + ret = xfrm_mark_put(skb, &x->mark); + if (ret) + goto out; + if (x->replay_esn) { + ret = nla_put(skb, XFRMA_REPLAY_ESN_VAL, + xfrm_replay_state_esn_len(x->replay_esn), + x->replay_esn); + if (ret) + goto out; + } + if (x->security) + ret = copy_sec_ctx(x->security, skb); +out: + return ret; } static int dump_one_state(struct xfrm_state *x, int count, void *ptr) @@ -825,15 +834,12 @@ static int dump_one_state(struct xfrm_state *x, int count, void *ptr) p = nlmsg_data(nlh); err = copy_to_user_state_extra(x, p, skb); - if (err) - goto nla_put_failure; - + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } nlmsg_end(skb, nlh); return 0; - -nla_put_failure: - nlmsg_cancel(skb, nlh); - return err; } static int xfrm_dump_sa_done(struct netlink_callback *cb) @@ -904,6 +910,7 @@ static int build_spdinfo(struct sk_buff *skb, struct net *net, struct xfrmu_spdinfo spc; struct xfrmu_spdhinfo sph; struct nlmsghdr *nlh; + int err; u32 *f; nlh = nlmsg_put(skb, pid, seq, XFRM_MSG_NEWSPDINFO, sizeof(u32), 0); @@ -922,15 +929,15 @@ static int build_spdinfo(struct sk_buff *skb, struct net *net, sph.spdhcnt = si.spdhcnt; sph.spdhmcnt = si.spdhmcnt; - if (nla_put(skb, XFRMA_SPD_INFO, sizeof(spc), &spc) || - nla_put(skb, XFRMA_SPD_HINFO, sizeof(sph), &sph)) - goto nla_put_failure; + err = nla_put(skb, XFRMA_SPD_INFO, sizeof(spc), &spc); + if (!err) + err = nla_put(skb, XFRMA_SPD_HINFO, sizeof(sph), &sph); + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } return nlmsg_end(skb, nlh); - -nla_put_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; } static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -965,6 +972,7 @@ static int build_sadinfo(struct sk_buff *skb, struct net *net, struct xfrmk_sadinfo si; struct xfrmu_sadhinfo sh; struct nlmsghdr *nlh; + int err; u32 *f; nlh = nlmsg_put(skb, pid, seq, XFRM_MSG_NEWSADINFO, sizeof(u32), 0); @@ -978,15 +986,15 @@ static int build_sadinfo(struct sk_buff *skb, struct net *net, sh.sadhmcnt = si.sadhmcnt; sh.sadhcnt = si.sadhcnt; - if (nla_put_u32(skb, XFRMA_SAD_CNT, si.sadcnt) || - nla_put(skb, XFRMA_SAD_HINFO, sizeof(sh), &sh)) - goto nla_put_failure; + err = nla_put_u32(skb, XFRMA_SAD_CNT, si.sadcnt); + if (!err) + err = nla_put(skb, XFRMA_SAD_HINFO, sizeof(sh), &sh); + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } return nlmsg_end(skb, nlh); - -nla_put_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; } static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -1439,9 +1447,8 @@ static inline int copy_to_user_state_sec_ctx(struct xfrm_state *x, struct sk_buf static inline int copy_to_user_sec_ctx(struct xfrm_policy *xp, struct sk_buff *skb) { - if (xp->security) { + if (xp->security) return copy_sec_ctx(xp->security, skb); - } return 0; } static inline size_t userpolicy_type_attrsize(void) @@ -1477,6 +1484,7 @@ static int dump_one_policy(struct xfrm_policy *xp, int dir, int count, void *ptr struct sk_buff *in_skb = sp->in_skb; struct sk_buff *skb = sp->out_skb; struct nlmsghdr *nlh; + int err; nlh = nlmsg_put(skb, NETLINK_CB(in_skb).pid, sp->nlmsg_seq, XFRM_MSG_NEWPOLICY, sizeof(*p), sp->nlmsg_flags); @@ -1485,22 +1493,19 @@ static int dump_one_policy(struct xfrm_policy *xp, int dir, int count, void *ptr p = nlmsg_data(nlh); copy_to_user_policy(xp, p, dir); - if (copy_to_user_tmpl(xp, skb) < 0) - goto nlmsg_failure; - if (copy_to_user_sec_ctx(xp, skb)) - goto nlmsg_failure; - if (copy_to_user_policy_type(xp->type, skb) < 0) - goto nlmsg_failure; - if (xfrm_mark_put(skb, &xp->mark)) - goto nla_put_failure; - + err = copy_to_user_tmpl(xp, skb); + if (!err) + err = copy_to_user_sec_ctx(xp, skb); + if (!err) + err = copy_to_user_policy_type(xp->type, skb); + if (!err) + err = xfrm_mark_put(skb, &xp->mark); + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } nlmsg_end(skb, nlh); return 0; - -nla_put_failure: -nlmsg_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; } static int xfrm_dump_policy_done(struct netlink_callback *cb) @@ -1688,6 +1693,7 @@ static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct { struct xfrm_aevent_id *id; struct nlmsghdr *nlh; + int err; nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_NEWAE, sizeof(*id), 0); if (nlh == NULL) @@ -1703,35 +1709,39 @@ static int build_aevent(struct sk_buff *skb, struct xfrm_state *x, const struct id->flags = c->data.aevent; if (x->replay_esn) { - if (nla_put(skb, XFRMA_REPLAY_ESN_VAL, - xfrm_replay_state_esn_len(x->replay_esn), - x->replay_esn)) - goto nla_put_failure; + err = nla_put(skb, XFRMA_REPLAY_ESN_VAL, + xfrm_replay_state_esn_len(x->replay_esn), + x->replay_esn); } else { - if (nla_put(skb, XFRMA_REPLAY_VAL, sizeof(x->replay), - &x->replay)) - goto nla_put_failure; + err = nla_put(skb, XFRMA_REPLAY_VAL, sizeof(x->replay), + &x->replay); } - if (nla_put(skb, XFRMA_LTIME_VAL, sizeof(x->curlft), &x->curlft)) - goto nla_put_failure; - - if ((id->flags & XFRM_AE_RTHR) && - nla_put_u32(skb, XFRMA_REPLAY_THRESH, x->replay_maxdiff)) - goto nla_put_failure; - - if ((id->flags & XFRM_AE_ETHR) && - nla_put_u32(skb, XFRMA_ETIMER_THRESH, - x->replay_maxage * 10 / HZ)) - goto nla_put_failure; + if (err) + goto out_cancel; + err = nla_put(skb, XFRMA_LTIME_VAL, sizeof(x->curlft), &x->curlft); + if (err) + goto out_cancel; - if (xfrm_mark_put(skb, &x->mark)) - goto nla_put_failure; + if (id->flags & XFRM_AE_RTHR) { + err = nla_put_u32(skb, XFRMA_REPLAY_THRESH, x->replay_maxdiff); + if (err) + goto out_cancel; + } + if (id->flags & XFRM_AE_ETHR) { + err = nla_put_u32(skb, XFRMA_ETIMER_THRESH, + x->replay_maxage * 10 / HZ); + if (err) + goto out_cancel; + } + err = xfrm_mark_put(skb, &x->mark); + if (err) + goto out_cancel; return nlmsg_end(skb, nlh); -nla_put_failure: +out_cancel: nlmsg_cancel(skb, nlh); - return -EMSGSIZE; + return err; } static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh, @@ -2155,7 +2165,7 @@ static int build_migrate(struct sk_buff *skb, const struct xfrm_migrate *m, const struct xfrm_migrate *mp; struct xfrm_userpolicy_id *pol_id; struct nlmsghdr *nlh; - int i; + int i, err; nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_MIGRATE, sizeof(*pol_id), 0); if (nlh == NULL) @@ -2167,21 +2177,25 @@ static int build_migrate(struct sk_buff *skb, const struct xfrm_migrate *m, memcpy(&pol_id->sel, sel, sizeof(pol_id->sel)); pol_id->dir = dir; - if (k != NULL && (copy_to_user_kmaddress(k, skb) < 0)) - goto nlmsg_failure; - - if (copy_to_user_policy_type(type, skb) < 0) - goto nlmsg_failure; - + if (k != NULL) { + err = copy_to_user_kmaddress(k, skb); + if (err) + goto out_cancel; + } + err = copy_to_user_policy_type(type, skb); + if (err) + goto out_cancel; for (i = 0, mp = m ; i < num_migrate; i++, mp++) { - if (copy_to_user_migrate(mp, skb) < 0) - goto nlmsg_failure; + err = copy_to_user_migrate(mp, skb); + if (err) + goto out_cancel; } return nlmsg_end(skb, nlh); -nlmsg_failure: + +out_cancel: nlmsg_cancel(skb, nlh); - return -EMSGSIZE; + return err; } static int xfrm_send_migrate(const struct xfrm_selector *sel, u8 dir, u8 type, @@ -2354,6 +2368,7 @@ static int build_expire(struct sk_buff *skb, struct xfrm_state *x, const struct { struct xfrm_user_expire *ue; struct nlmsghdr *nlh; + int err; nlh = nlmsg_put(skb, c->pid, 0, XFRM_MSG_EXPIRE, sizeof(*ue), 0); if (nlh == NULL) @@ -2363,13 +2378,11 @@ static int build_expire(struct sk_buff *skb, struct xfrm_state *x, const struct copy_to_user_state(x, &ue->state); ue->hard = (c->data.hard != 0) ? 1 : 0; - if (xfrm_mark_put(skb, &x->mark)) - goto nla_put_failure; + err = xfrm_mark_put(skb, &x->mark); + if (err) + return err; return nlmsg_end(skb, nlh); - -nla_put_failure: - return -EMSGSIZE; } static int xfrm_exp_state_notify(struct xfrm_state *x, const struct km_event *c) @@ -2470,7 +2483,7 @@ static int xfrm_notify_sa(struct xfrm_state *x, const struct km_event *c) struct nlmsghdr *nlh; struct sk_buff *skb; int len = xfrm_sa_len(x); - int headlen; + int headlen, err; headlen = sizeof(*p); if (c->event == XFRM_MSG_DELSA) { @@ -2485,8 +2498,9 @@ static int xfrm_notify_sa(struct xfrm_state *x, const struct km_event *c) return -ENOMEM; nlh = nlmsg_put(skb, c->pid, c->seq, c->event, headlen, 0); + err = -EMSGSIZE; if (nlh == NULL) - goto nla_put_failure; + goto out_free_skb; p = nlmsg_data(nlh); if (c->event == XFRM_MSG_DELSA) { @@ -2499,24 +2513,23 @@ static int xfrm_notify_sa(struct xfrm_state *x, const struct km_event *c) id->proto = x->id.proto; attr = nla_reserve(skb, XFRMA_SA, sizeof(*p)); + err = -EMSGSIZE; if (attr == NULL) - goto nla_put_failure; + goto out_free_skb; p = nla_data(attr); } - - if (copy_to_user_state_extra(x, p, skb)) - goto nla_put_failure; + err = copy_to_user_state_extra(x, p, skb); + if (err) + goto out_free_skb; nlmsg_end(skb, nlh); return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_SA, GFP_ATOMIC); -nla_put_failure: - /* Somebody screwed up with xfrm_sa_len! */ - WARN_ON(1); +out_free_skb: kfree_skb(skb); - return -1; + return err; } static int xfrm_send_state_notify(struct xfrm_state *x, const struct km_event *c) @@ -2557,9 +2570,10 @@ static int build_acquire(struct sk_buff *skb, struct xfrm_state *x, struct xfrm_tmpl *xt, struct xfrm_policy *xp, int dir) { + __u32 seq = xfrm_get_acqseq(); struct xfrm_user_acquire *ua; struct nlmsghdr *nlh; - __u32 seq = xfrm_get_acqseq(); + int err; nlh = nlmsg_put(skb, 0, 0, XFRM_MSG_ACQUIRE, sizeof(*ua), 0); if (nlh == NULL) @@ -2575,21 +2589,19 @@ static int build_acquire(struct sk_buff *skb, struct xfrm_state *x, ua->calgos = xt->calgos; ua->seq = x->km.seq = seq; - if (copy_to_user_tmpl(xp, skb) < 0) - goto nlmsg_failure; - if (copy_to_user_state_sec_ctx(x, skb)) - goto nlmsg_failure; - if (copy_to_user_policy_type(xp->type, skb) < 0) - goto nlmsg_failure; - if (xfrm_mark_put(skb, &xp->mark)) - goto nla_put_failure; + err = copy_to_user_tmpl(xp, skb); + if (!err) + err = copy_to_user_state_sec_ctx(x, skb); + if (!err) + err = copy_to_user_policy_type(xp->type, skb); + if (!err) + err = xfrm_mark_put(skb, &xp->mark); + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } return nlmsg_end(skb, nlh); - -nla_put_failure: -nlmsg_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; } static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt, @@ -2681,8 +2693,9 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp, int dir, const struct km_event *c) { struct xfrm_user_polexpire *upe; - struct nlmsghdr *nlh; int hard = c->data.hard; + struct nlmsghdr *nlh; + int err; nlh = nlmsg_put(skb, c->pid, 0, XFRM_MSG_POLEXPIRE, sizeof(*upe), 0); if (nlh == NULL) @@ -2690,22 +2703,20 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp, upe = nlmsg_data(nlh); copy_to_user_policy(xp, &upe->pol, dir); - if (copy_to_user_tmpl(xp, skb) < 0) - goto nlmsg_failure; - if (copy_to_user_sec_ctx(xp, skb)) - goto nlmsg_failure; - if (copy_to_user_policy_type(xp->type, skb) < 0) - goto nlmsg_failure; - if (xfrm_mark_put(skb, &xp->mark)) - goto nla_put_failure; + err = copy_to_user_tmpl(xp, skb); + if (!err) + err = copy_to_user_sec_ctx(xp, skb); + if (!err) + err = copy_to_user_policy_type(xp->type, skb); + if (!err) + err = xfrm_mark_put(skb, &xp->mark); + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } upe->hard = !!hard; return nlmsg_end(skb, nlh); - -nla_put_failure: -nlmsg_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; } static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c) @@ -2725,13 +2736,13 @@ static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, const struct static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, const struct km_event *c) { + int len = nla_total_size(sizeof(struct xfrm_user_tmpl) * xp->xfrm_nr); struct net *net = xp_net(xp); struct xfrm_userpolicy_info *p; struct xfrm_userpolicy_id *id; struct nlmsghdr *nlh; struct sk_buff *skb; - int len = nla_total_size(sizeof(struct xfrm_user_tmpl) * xp->xfrm_nr); - int headlen; + int headlen, err; headlen = sizeof(*p); if (c->event == XFRM_MSG_DELPOLICY) { @@ -2747,8 +2758,9 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, const struct km_e return -ENOMEM; nlh = nlmsg_put(skb, c->pid, c->seq, c->event, headlen, 0); + err = -EMSGSIZE; if (nlh == NULL) - goto nlmsg_failure; + goto out_free_skb; p = nlmsg_data(nlh); if (c->event == XFRM_MSG_DELPOLICY) { @@ -2763,29 +2775,29 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, const struct km_e memcpy(&id->sel, &xp->selector, sizeof(id->sel)); attr = nla_reserve(skb, XFRMA_POLICY, sizeof(*p)); + err = -EMSGSIZE; if (attr == NULL) - goto nlmsg_failure; + goto out_free_skb; p = nla_data(attr); } copy_to_user_policy(xp, p, dir); - if (copy_to_user_tmpl(xp, skb) < 0) - goto nlmsg_failure; - if (copy_to_user_policy_type(xp->type, skb) < 0) - goto nlmsg_failure; - - if (xfrm_mark_put(skb, &xp->mark)) - goto nla_put_failure; + err = copy_to_user_tmpl(xp, skb); + if (!err) + err = copy_to_user_policy_type(xp->type, skb); + if (!err) + err = xfrm_mark_put(skb, &xp->mark); + if (err) + goto out_free_skb; nlmsg_end(skb, nlh); return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_POLICY, GFP_ATOMIC); -nla_put_failure: -nlmsg_failure: +out_free_skb: kfree_skb(skb); - return -1; + return err; } static int xfrm_notify_policy_flush(const struct km_event *c) @@ -2793,24 +2805,27 @@ static int xfrm_notify_policy_flush(const struct km_event *c) struct net *net = c->net; struct nlmsghdr *nlh; struct sk_buff *skb; + int err; skb = nlmsg_new(userpolicy_type_attrsize(), GFP_ATOMIC); if (skb == NULL) return -ENOMEM; nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_FLUSHPOLICY, 0, 0); + err = -EMSGSIZE; if (nlh == NULL) - goto nlmsg_failure; - if (copy_to_user_policy_type(c->data.type, skb) < 0) - goto nlmsg_failure; + goto out_free_skb; + err = copy_to_user_policy_type(c->data.type, skb); + if (err) + goto out_free_skb; nlmsg_end(skb, nlh); return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_POLICY, GFP_ATOMIC); -nlmsg_failure: +out_free_skb: kfree_skb(skb); - return -1; + return err; } static int xfrm_send_policy_notify(struct xfrm_policy *xp, int dir, const struct km_event *c) @@ -2853,15 +2868,14 @@ static int build_report(struct sk_buff *skb, u8 proto, ur->proto = proto; memcpy(&ur->sel, sel, sizeof(ur->sel)); - if (addr && - nla_put(skb, XFRMA_COADDR, sizeof(*addr), addr)) - goto nla_put_failure; - + if (addr) { + int err = nla_put(skb, XFRMA_COADDR, sizeof(*addr), addr); + if (err) { + nlmsg_cancel(skb, nlh); + return err; + } + } return nlmsg_end(skb, nlh); - -nla_put_failure: - nlmsg_cancel(skb, nlh); - return -EMSGSIZE; } static int xfrm_send_report(struct net *net, u8 proto, @@ -2945,9 +2959,12 @@ static struct xfrm_mgr netlink_mgr = { static int __net_init xfrm_user_net_init(struct net *net) { struct sock *nlsk; + struct netlink_kernel_cfg cfg = { + .groups = XFRMNLGRP_MAX, + .input = xfrm_netlink_rcv, + }; - nlsk = netlink_kernel_create(net, NETLINK_XFRM, XFRMNLGRP_MAX, - xfrm_netlink_rcv, NULL, THIS_MODULE); + nlsk = netlink_kernel_create(net, NETLINK_XFRM, THIS_MODULE, &cfg); if (nlsk == NULL) return -ENOMEM; net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */ |
