diff options
30 files changed, 780 insertions, 740 deletions
diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c index 03f09f0..4dcda43 100644 --- a/net/batman-adv/bat_debugfs.c +++ b/net/batman-adv/bat_debugfs.c @@ -35,14 +35,14 @@ 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) +#define BATADV_LOG_BUFF(idx) (debug_log->log_buff[(idx) & BATADV_LOG_BUFF_MASK]) -static int batadv_log_buff_len = LOG_BUF_LEN; +static int batadv_log_buff_len = BATADV_LOG_BUF_LEN; static void batadv_emit_log_char(struct debug_log *debug_log, char c) { - LOG_BUFF(debug_log->log_end) = c; + BATADV_LOG_BUFF(debug_log->log_end) = c; debug_log->log_end++; if (debug_log->log_end - debug_log->log_start > batadv_log_buff_len) @@ -133,7 +133,7 @@ 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); + c = BATADV_LOG_BUFF(debug_log->log_start); debug_log->log_start++; @@ -270,7 +270,7 @@ struct bat_debuginfo { const struct file_operations fops; }; -#define BAT_DEBUGINFO(_name, _mode, _open) \ +#define BATADV_DEBUGINFO(_name, _mode, _open) \ struct bat_debuginfo batadv_debuginfo_##_name = { \ .attr = { .name = __stringify(_name), \ .mode = _mode, }, \ @@ -282,15 +282,17 @@ 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[] = { &batadv_debuginfo_originators, @@ -309,7 +311,7 @@ void batadv_debugfs_init(void) struct bat_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; @@ -360,8 +362,8 @@ int batadv_debugfs_add_meshif(struct net_device *dev) 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; } } diff --git a/net/batman-adv/bat_debugfs.h b/net/batman-adv/bat_debugfs.h index eb0d576..3319e1f 100644 --- a/net/batman-adv/bat_debugfs.h +++ b/net/batman-adv/bat_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/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index ca64665..bbe0f12 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -64,7 +64,7 @@ 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) @@ -72,10 +72,10 @@ static int batadv_iv_ogm_iface_enable(struct hard_iface *hard_iface) 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.version = BATADV_COMPAT_VERSION; batman_ogm_packet->header.ttl = 2; - batman_ogm_packet->flags = NO_FLAGS; - batman_ogm_packet->tq = TQ_MAX_VALUE; + batman_ogm_packet->flags = BATADV_NO_FLAGS; + batman_ogm_packet->tq = BATADV_TQ_MAX_VALUE; batman_ogm_packet->tt_num_changes = 0; batman_ogm_packet->ttvn = 0; @@ -108,29 +108,37 @@ static void batadv_iv_ogm_primary_iface_set(struct hard_iface *hard_iface) batman_ogm_packet = (struct batman_ogm_packet *)hard_iface->packet_buff; batman_ogm_packet->flags = PRIMARIES_FIRST_HOP; - batman_ogm_packet->header.ttl = TTL; + batman_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) { - 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) { 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? */ @@ -139,11 +147,11 @@ 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 */ @@ -191,7 +199,7 @@ static void batadv_iv_ogm_send_to_if(struct forw_packet *forw_packet, batman_ogm_packet->ttvn, hard_iface->net_dev->name, hard_iface->net_dev->dev_addr); - buff_pos += BATMAN_OGM_HLEN; + buff_pos += BATADV_OGM_HLEN; buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes); packet_num++; batman_ogm_packet = (struct batman_ogm_packet *) @@ -290,8 +298,11 @@ batadv_iv_ogm_can_aggregate(const struct batman_ogm_packet *new_bat_ogm_packet, int aggregated_bytes = forw_packet->packet_len + packet_len; struct hard_iface *primary_if = NULL; bool res = false; + unsigned long aggregation_end_time; batman_ogm_packet = (struct batman_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 +312,8 @@ 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 @@ -367,13 +377,14 @@ static void batadv_iv_ogm_aggregate_new(const unsigned char *packet_buff, struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface); struct 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)) { + if (!batadv_atomic_dec_not_zero(&bat_priv->batman_queue_left)) { batadv_dbg(DBG_BATMAN, bat_priv, "batman packet queue full\n"); goto out; @@ -388,12 +399,12 @@ 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 +422,7 @@ 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 */ @@ -466,9 +477,11 @@ static void batadv_iv_ogm_queue_add(struct bat_priv *bat_priv, struct hlist_node *tmp_node; struct batman_ogm_packet *batman_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; + 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); @@ -498,9 +511,8 @@ 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, @@ -561,7 +573,7 @@ static void batadv_iv_ogm_forward(struct orig_node *orig_node, batman_ogm_packet->flags &= ~DIRECTLINK; batadv_iv_ogm_queue_add(bat_priv, (unsigned char *)batman_ogm_packet, - BATMAN_OGM_HLEN + batadv_tt_len(tt_num_changes), + BATADV_OGM_HLEN + batadv_tt_len(tt_num_changes), if_incoming, 0, batadv_iv_ogm_fwd_send_time()); } @@ -579,7 +591,7 @@ 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; @@ -603,7 +615,7 @@ static void batadv_iv_ogm_schedule(struct hard_iface *hard_iface) batman_ogm_packet->gw_flags = (uint8_t)atomic_read(&bat_priv->gw_bandwidth); else - batman_ogm_packet->gw_flags = NO_FLAGS; + batman_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, @@ -772,8 +784,10 @@ static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node, struct 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(); @@ -824,32 +838,33 @@ 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)); + 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 = batman_ogm_packet->tq * tq_own * tq_asym_penalty; + combined_tq /= BATADV_TQ_MAX_VALUE * BATADV_TQ_MAX_VALUE; + batman_ogm_packet->tq = combined_tq; batadv_dbg(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", @@ -860,7 +875,7 @@ static int batadv_iv_ogm_calc_tq(struct orig_node *orig_node, /* if link has the minimum required transmission quality * consider it bidirectional */ - if (batman_ogm_packet->tq >= TQ_TOTAL_BIDRECT_LIMIT) + if (batman_ogm_packet->tq >= BATADV_TQ_TOTAL_BIDRECT_LIMIT) ret = 1; out: @@ -928,7 +943,7 @@ 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(); @@ -1025,7 +1040,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, } rcu_read_unlock(); - if (batman_ogm_packet->header.version != COMPAT_VERSION) { + if (batman_ogm_packet->header.version != BATADV_COMPAT_VERSION) { batadv_dbg(DBG_BATMAN, bat_priv, "Drop packet: incompatible batman version (%i)\n", batman_ogm_packet->header.version); @@ -1050,6 +1065,8 @@ 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); @@ -1063,15 +1080,17 @@ 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; + 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); 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); } @@ -1227,7 +1246,7 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb, 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; @@ -1248,12 +1267,12 @@ static int batadv_iv_ogm_receive(struct sk_buff *skb, /* 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, if_incoming); - buff_pos += BATMAN_OGM_HLEN; + buff_pos += BATADV_OGM_HLEN; buff_pos += batadv_tt_len(batman_ogm_packet->tt_num_changes); batman_ogm_packet = (struct batman_ogm_packet *) diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c index 03b76a4..95d80d1 100644 --- a/net/batman-adv/bat_sysfs.c +++ b/net/batman-adv/bat_sysfs.c @@ -38,9 +38,9 @@ static struct bat_priv *batadv_kobj_to_batpriv(struct kobject *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", @@ -53,15 +53,15 @@ 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 bat_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) \ @@ -72,7 +72,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \ &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) \ { \ @@ -85,14 +85,14 @@ 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) \ @@ -104,7 +104,7 @@ ssize_t batadv_store_##_name(struct kobject *kobj, \ &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) \ { \ @@ -115,14 +115,14 @@ ssize_t batadv_show_##_name(struct kobject *kobj, \ /* 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) \ @@ -143,7 +143,7 @@ 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) \ { \ @@ -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; @@ -299,6 +297,7 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj, struct bat_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); @@ -315,19 +314,27 @@ static ssize_t batadv_store_vis_mode(struct kobject *kobj, 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) == VIS_TYPE_CLIENT_UPDATE) + old_mode = "client"; + else + old_mode = "server"; + + if (vis_mode_tmp == 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; @@ -354,13 +361,16 @@ static ssize_t batadv_show_gw_mode(struct kobject *kobj, struct attribute *attr, switch (atomic_read(&bat_priv->gw_mode)) { case GW_MODE_CLIENT: - bytes_written = sprintf(buff, "%s\n", GW_MODE_CLIENT_NAME); + 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); + 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; } @@ -379,21 +389,22 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, if (buff[count - 1] == '\n') buff[count - 1] = '\0'; - if (strncmp(buff, GW_MODE_OFF_NAME, strlen(GW_MODE_OFF_NAME)) == 0) + if (strncmp(buff, BATADV_GW_MODE_OFF_NAME, + strlen(BATADV_GW_MODE_OFF_NAME)) == 0) gw_mode_tmp = GW_MODE_OFF; - if (strncmp(buff, GW_MODE_CLIENT_NAME, - strlen(GW_MODE_CLIENT_NAME)) == 0) + if (strncmp(buff, BATADV_GW_MODE_CLIENT_NAME, + strlen(BATADV_GW_MODE_CLIENT_NAME)) == 0) gw_mode_tmp = GW_MODE_CLIENT; - if (strncmp(buff, GW_MODE_SERVER_NAME, - strlen(GW_MODE_SERVER_NAME)) == 0) + if (strncmp(buff, BATADV_GW_MODE_SERVER_NAME, + strlen(BATADV_GW_MODE_SERVER_NAME)) == 0) gw_mode_tmp = 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; } @@ -402,18 +413,18 @@ static ssize_t batadv_store_gw_mode(struct kobject *kobj, switch (atomic_read(&bat_priv->gw_mode)) { case GW_MODE_CLIENT: - curr_gw_mode_str = GW_MODE_CLIENT_NAME; + curr_gw_mode_str = BATADV_GW_MODE_CLIENT_NAME; break; case GW_MODE_SERVER: - curr_gw_mode_str = GW_MODE_SERVER_NAME; + 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); @@ -447,26 +458,28 @@ 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, DBG_ALL, NULL); #endif static struct bat_attribute *batadv_mesh_attrs[] = { @@ -497,11 +510,11 @@ int batadv_sysfs_add_meshif(struct net_device *dev) struct bat_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 +522,9 @@ 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; } } @@ -649,9 +662,9 @@ 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[] = { &batadv_attr_mesh_iface, @@ -665,21 +678,21 @@ int batadv_sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev) struct bat_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; } } @@ -713,31 +726,32 @@ 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) + + 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); diff --git a/net/batman-adv/bat_sysfs.h b/net/batman-adv/bat_sysfs.h index 3672277..23a8390 100644 --- a/net/batman-adv/bat_sysfs.h +++ b/net/batman-adv/bat_sysfs.h @@ -20,8 +20,8 @@ #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 attribute attr; diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c index e195b9e..4a009b5 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); } @@ -46,7 +46,7 @@ int batadv_bit_get_packet(void *priv, unsigned long *seq_bits, /* 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)) { + if (seq_num_diff >= BATADV_TQ_LOCAL_WINDOW_SIZE && + seq_num_diff < BATADV_EXPECTED_SEQNO_RANGE) { batadv_dbg(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, "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..db20b68 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -237,7 +237,7 @@ 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 @@ -375,7 +375,7 @@ 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); @@ -949,7 +949,7 @@ 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, @@ -1001,7 +1001,7 @@ 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, @@ -1075,7 +1075,7 @@ static void batadv_bla_start_timer(struct bat_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: @@ -1162,9 +1162,9 @@ 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) @@ -1216,14 +1216,15 @@ 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 +1239,8 @@ 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; diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 9818b1e..58563f0 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -36,7 +36,7 @@ void batadv_bla_update_orig_address(struct bat_priv *bat_priv, int batadv_bla_init(struct bat_priv *bat_priv); void batadv_bla_free(struct bat_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, diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index efe7519..5fc162c 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -33,8 +33,8 @@ /* 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) { @@ -138,8 +138,8 @@ 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) && @@ -197,7 +197,7 @@ void batadv_gw_election(struct bat_priv *bat_priv) if (atomic_read(&bat_priv->gw_mode) != 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); @@ -354,7 +354,7 @@ void batadv_gw_node_update(struct bat_priv *bat_priv, 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, "Gateway %pM removed from gateway list\n", @@ -367,7 +367,7 @@ 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); @@ -392,7 +392,7 @@ void batadv_gw_node_purge(struct bat_priv *bat_priv) { struct 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); @@ -484,8 +484,8 @@ 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 +521,11 @@ 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 +543,7 @@ 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) { @@ -667,7 +667,7 @@ bool batadv_gw_out_of_range(struct bat_priv *bat_priv, /* 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: curr_gw = batadv_gw_get_selected_gw_node(bat_priv); @@ -698,7 +698,7 @@ 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_common.c b/net/batman-adv/gateway_common.c index 6edf37f..f5c3980 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; } @@ -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..31bbc3c 100644 --- a/net/batman-adv/gateway_common.h +++ b/net/batman-adv/gateway_common.h @@ -26,9 +26,9 @@ enum gw_modes { 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..e7eba9c 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -196,7 +196,8 @@ int batadv_hardif_min_mtu(struct net_device *soft_iface) 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(); @@ -234,8 +235,8 @@ 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); @@ -252,8 +253,8 @@ static void batadv_hardif_deactivate_interface(struct hard_iface *hard_iface) hard_iface->if_status = 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); } @@ -263,6 +264,7 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface, { struct bat_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) @@ -309,35 +311,35 @@ int batadv_hardif_enable_interface(struct hard_iface *hard_iface, hard_iface->if_status = 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); + 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 + 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); + 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 + 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); + 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); @@ -363,8 +365,8 @@ void batadv_hardif_disable_interface(struct hard_iface *hard_iface) if (hard_iface->if_status != 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--; @@ -546,7 +548,7 @@ 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/icmp_socket.c b/net/batman-adv/icmp_socket.c index b285c31..f2f578b 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -203,9 +203,9 @@ 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) { + if (icmp_packet->header.version != BATADV_COMPAT_VERSION) { icmp_packet->msg_type = PARAMETER_PROBLEM; - icmp_packet->header.version = COMPAT_VERSION; + icmp_packet->header.version = BATADV_COMPAT_VERSION; batadv_socket_add_packet(socket_client, icmp_packet, packet_len); goto free_skb; @@ -282,7 +282,7 @@ int batadv_socket_setup(struct bat_priv *bat_priv) 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; diff --git a/net/batman-adv/icmp_socket.h b/net/batman-adv/icmp_socket.h index a62ab80..f88f9f0 100644 --- a/net/batman-adv/icmp_socket.h +++ b/net/batman-adv/icmp_socket.h @@ -20,7 +20,7 @@ #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); diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index e456430..df7335c 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -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 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); @@ -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) @@ -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 hard_iface *recv_if) { return NET_RX_DROP; } @@ -237,7 +239,7 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, batman_ogm_packet = (struct batman_ogm_packet *)skb->data; - if (batman_ogm_packet->header.version != COMPAT_VERSION) { + if (batman_ogm_packet->header.version != BATADV_COMPAT_VERSION) { batadv_dbg(DBG_BATMAN, bat_priv, "Drop packet: incompatible batman version (%i)\n", batman_ogm_packet->header.version); @@ -248,7 +250,7 @@ int batadv_batman_skb_recv(struct sk_buff *skb, struct net_device *dev, * 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); + ret = (*batadv_rx_handler[idx])(skb, hard_iface); if (ret == NET_RX_DROP) kfree_skb(skb); @@ -265,51 +267,51 @@ 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[BAT_ICMP] = batadv_recv_icmp_packet; /* unicast packet */ - recv_packet_handler[BAT_UNICAST] = batadv_recv_unicast_packet; + batadv_rx_handler[BAT_UNICAST] = batadv_recv_unicast_packet; /* fragmented unicast packet */ - recv_packet_handler[BAT_UNICAST_FRAG] = batadv_recv_ucast_frag_packet; + batadv_rx_handler[BAT_UNICAST_FRAG] = batadv_recv_ucast_frag_packet; /* broadcast packet */ - recv_packet_handler[BAT_BCAST] = batadv_recv_bcast_packet; + batadv_rx_handler[BAT_BCAST] = batadv_recv_bcast_packet; /* vis packet */ - recv_packet_handler[BAT_VIS] = batadv_recv_vis_packet; + batadv_rx_handler[BAT_VIS] = batadv_recv_vis_packet; /* Translation table query (request or response) */ - recv_packet_handler[BAT_TT_QUERY] = batadv_recv_tt_query; + batadv_rx_handler[BAT_TT_QUERY] = batadv_recv_tt_query; /* Roaming advertisement */ - recv_packet_handler[BAT_ROAM_ADV] = batadv_recv_roam_adv; + batadv_rx_handler[BAT_ROAM_ADV] = batadv_recv_roam_adv; } int batadv_recv_handler_register(uint8_t packet_type, int (*recv_handler)(struct sk_buff *, struct 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 bat_algo_ops *batadv_algo_get(char *name) { struct bat_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; @@ -325,7 +327,7 @@ int batadv_algo_register(struct bat_algo_ops *bat_algo_ops) struct bat_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); @@ -347,7 +349,7 @@ 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: @@ -359,7 +361,7 @@ int batadv_algo_select(struct bat_priv *bat_priv, char *name) struct bat_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; @@ -377,14 +379,14 @@ int batadv_algo_seq_print_text(struct seq_file *seq, void *offset) 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; char *algo_name = (char *)val; @@ -393,7 +395,7 @@ static int param_set_ra(const char *val, const struct kernel_param *kp) 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 +404,24 @@ 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..09660b4 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -20,79 +20,80 @@ #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, @@ -100,8 +101,8 @@ enum mesh_state { 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, @@ -113,7 +114,7 @@ enum uev_type { UEV_GW = 0 }; -#define GW_THRESHOLD 50 +#define BATADV_GW_THRESHOLD 50 /* Debug Messages */ #ifdef pr_fmt @@ -190,14 +191,14 @@ static inline void batadv_dbg(int type __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); \ 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); \ @@ -226,10 +227,10 @@ 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 @@ -241,12 +242,12 @@ 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, diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index bf9ec39a..f04f591 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -194,6 +194,7 @@ struct orig_node *batadv_get_orig_node(struct bat_priv *bat_priv, struct 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) @@ -226,14 +227,13 @@ 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) @@ -285,7 +285,7 @@ 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 ((batadv_has_timed_out(last_seen, BATADV_PURGE_TIMEOUT)) || (if_incoming->if_status == IF_INACTIVE) || (if_incoming->if_status == IF_NOT_IN_USE) || (if_incoming->if_status == IF_TO_BE_REMOVED)) { @@ -324,7 +324,8 @@ static bool batadv_purge_orig_node(struct bat_priv *bat_priv, { struct neigh_node *best_neigh_node; - if (batadv_has_timed_out(orig_node->last_seen, 2 * PURGE_TIMEOUT)) { + if (batadv_has_timed_out(orig_node->last_seen, + 2 * BATADV_PURGE_TIMEOUT)) { batadv_dbg(DBG_BATMAN, bat_priv, "Originator timeout: originator %pM, last_seen %u\n", orig_node->orig, @@ -370,7 +371,7 @@ 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); @@ -429,11 +430,11 @@ 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]; @@ -486,14 +487,15 @@ out: static int batadv_orig_node_add_if(struct 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; @@ -554,7 +556,7 @@ 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; diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index c90219c..e562414 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -20,7 +20,7 @@ #ifndef _NET_BATMAN_ADV_PACKET_H_ #define _NET_BATMAN_ADV_PACKET_H_ -#define ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ +#define BATADV_ETH_P_BATMAN 0x4305 /* unofficial/not registered Ethertype */ enum bat_packettype { BAT_IV_OGM = 0x01, @@ -34,7 +34,7 @@ enum bat_packettype { }; /* 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, @@ -65,7 +65,7 @@ enum unicast_frag_flags { }; /* TT_QUERY subtypes */ -#define TT_QUERY_TYPE_MASK 0x3 +#define BATADV_TT_QUERY_TYPE_MASK 0x3 enum tt_query_packettype { TT_REQUEST = 0, @@ -126,7 +126,7 @@ struct batman_ogm_packet { __be16 tt_crc; } __packed; -#define BATMAN_OGM_HLEN sizeof(struct batman_ogm_packet) +#define BATADV_OGM_HLEN sizeof(struct batman_ogm_packet) struct icmp_packet { struct batman_header header; @@ -138,7 +138,7 @@ 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 @@ -151,7 +151,7 @@ struct icmp_packet_rr { __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 { 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..b3fd61c 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -42,6 +42,7 @@ void batadv_slide_own_bcast_window(struct hard_iface *hard_iface) unsigned long *word; uint32_t i; size_t word_index; + uint8_t *w; for (i = 0; i < hash->size; i++) { head = &hash->table[i]; @@ -49,12 +50,12 @@ 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(); @@ -160,7 +161,7 @@ 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 @@ -232,9 +233,10 @@ batadv_bonding_save_primary(const struct orig_node *orig_node, int batadv_window_protected(struct bat_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; @@ -316,7 +318,7 @@ static int batadv_recv_my_icmp_packet(struct bat_priv *bat_priv, 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->header.ttl = BATADV_TTL; batadv_send_skb_packet(skb, router->if_incoming, router->addr); ret = NET_RX_SUCCESS; @@ -371,7 +373,7 @@ static int batadv_recv_icmp_ttl_exceeded(struct bat_priv *bat_priv, 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->header.ttl = BATADV_TTL; batadv_send_skb_packet(skb, router->if_incoming, router->addr); ret = NET_RX_SUCCESS; @@ -423,7 +425,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if) /* add record route information if not full */ if ((hdr_size == sizeof(struct icmp_packet_rr)) && - (icmp_packet->rr_cur < BAT_RR_LEN)) { + (icmp_packet->rr_cur < BATADV_RR_LEN)) { memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]), ethhdr->h_dest, ETH_ALEN); icmp_packet->rr_cur++; @@ -603,7 +605,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if) tt_query = (struct tt_query_packet *)skb->data; - switch (tt_query->flags & TT_QUERY_TYPE_MASK) { + switch (tt_query->flags & BATADV_TT_QUERY_TYPE_MASK) { case TT_REQUEST: batadv_inc_counter(bat_priv, BAT_CNT_TT_REQUEST_RX); @@ -699,8 +701,8 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if) 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); + 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 @@ -922,6 +924,7 @@ static int batadv_check_unicast_ttvn(struct bat_priv *bat_priv, struct hard_iface *primary_if; struct 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) @@ -945,7 +948,8 @@ 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) + ETH_HLEN) < 0) diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 1842cbc..72542cb 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -58,11 +58,11 @@ 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; @@ -141,7 +141,7 @@ int batadv_add_bcast_packet_to_list(struct bat_priv *bat_priv, struct bcast_packet *bcast_packet; struct sk_buff *newskb; - if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) { + if (!batadv_atomic_dec_not_zero(&bat_priv->bcast_queue_left)) { batadv_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n"); goto out; } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 2de1d74..c1b2ab2 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -108,7 +108,7 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p) if (atomic_read(&bat_priv->mesh_state) == 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); @@ -135,6 +135,7 @@ static int batadv_interface_tx(struct sk_buff *skb, struct hard_iface *primary_if = NULL; struct 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; @@ -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; } @@ -208,8 +209,8 @@ static int batadv_interface_tx(struct sk_buff *skb, goto dropped; bcast_packet = (struct bcast_packet *)skb->data; - bcast_packet->header.version = COMPAT_VERSION; - bcast_packet->header.ttl = TTL; + bcast_packet->header.version = BATADV_COMPAT_VERSION; + bcast_packet->header.ttl = BATADV_TTL; /* batman packet type: broadcast */ bcast_packet->header.packet_type = BAT_BCAST; @@ -266,6 +267,7 @@ void batadv_interface_rx(struct net_device *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 +283,11 @@ 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; } @@ -349,7 +351,7 @@ 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); @@ -392,8 +394,8 @@ struct net_device *batadv_softif_create(const char *name) 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->bcast_seqno, 1); @@ -485,7 +487,7 @@ 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"); } diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index c673b58..a0487e9 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -157,7 +157,9 @@ batadv_tt_orig_list_entry_free_ref(struct tt_orig_list_entry *orig_entry) static void batadv_tt_local_event(struct bat_priv *bat_priv, const uint8_t *addr, uint8_t flags) { - struct tt_change_node *tt_change_node; + struct 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); @@ -167,13 +169,45 @@ 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 & 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 & 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) @@ -223,7 +257,7 @@ void batadv_tt_local_add(struct net_device *soft_iface, const uint8_t *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; atomic_set(&tt_local_entry->common.refcount, 2); @@ -459,14 +493,17 @@ void batadv_tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr, const char *message, bool roaming) { struct 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 = TT_CLIENT_DEL; + if (roaming) + flags |= 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); @@ -500,7 +537,7 @@ static void batadv_tt_local_purge(struct bat_priv *bat_priv) continue; if (!batadv_has_timed_out(tt_local_entry->last_seen, - TT_LOCAL_TIMEOUT)) + BATADV_TT_LOCAL_TIMEOUT)) continue; batadv_tt_local_set_pending(bat_priv, tt_local_entry, @@ -623,8 +660,8 @@ 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) + const unsigned char *tt_addr, uint8_t flags, + uint8_t ttvn) { struct tt_global_entry *tt_global_entry = NULL; int ret = 0; @@ -634,15 +671,14 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, 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); @@ -684,9 +720,6 @@ 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, "Creating new global tt entry: %pM (via %pM)\n", tt_global_entry->common.addr, orig_node->orig); @@ -694,7 +727,7 @@ int batadv_tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node, 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 & TT_CLIENT_ROAM); ret = 1; out: if (tt_global_entry) @@ -978,12 +1011,35 @@ 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 bat_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 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 tt_global_entry, common); + if (!(tt_global_entry->common.flags & TT_CLIENT_ROAM)) + continue; + if (!batadv_has_timed_out(tt_global_entry->roam_at, + BATADV_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); + } +} + +static void batadv_tt_global_roam_purge(struct bat_priv *bat_priv) +{ + struct hashtable_t *hash = bat_priv->tt_global_hash; struct hlist_head *head; spinlock_t *list_lock; /* protects write access to the hash lists */ uint32_t i; @@ -993,24 +1049,7 @@ 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); } @@ -1248,7 +1287,8 @@ static void batadv_tt_req_purge(struct bat_priv *bat_priv) 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); } @@ -1268,7 +1308,7 @@ static struct tt_req_node *batadv_new_tt_req_node(struct bat_priv *bat_priv, 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; } @@ -1361,7 +1401,7 @@ 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++; @@ -1411,10 +1451,10 @@ static int batadv_send_tt_request(struct bat_priv *bat_priv, sizeof(struct tt_query_packet)); tt_request->header.packet_type = BAT_TT_QUERY; - tt_request->header.version = COMPAT_VERSION; + 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; @@ -1545,8 +1585,8 @@ static bool batadv_send_other_tt_response(struct bat_priv *bat_priv, } tt_response->header.packet_type = BAT_TT_QUERY; - tt_response->header.version = COMPAT_VERSION; - tt_response->header.ttl = TTL; + 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; @@ -1666,8 +1706,8 @@ static bool batadv_send_my_tt_response(struct bat_priv *bat_priv, } tt_response->header.packet_type = BAT_TT_QUERY; - tt_response->header.version = COMPAT_VERSION; - tt_response->header.ttl = TTL; + 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; @@ -1721,7 +1761,6 @@ static void _batadv_tt_update_changes(struct bat_priv *bat_priv, uint16_t tt_num_changes, uint8_t ttvn) { int i; - int is_wifi; int roams; for (i = 0; i < tt_num_changes; i++) { @@ -1729,13 +1768,12 @@ static void _batadv_tt_update_changes(struct bat_priv *bat_priv, roams = (tt_change + i)->flags & 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 @@ -1897,7 +1935,8 @@ static void batadv_tt_roam_purge(struct bat_priv *bat_priv) 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); @@ -1927,10 +1966,10 @@ 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 +1982,8 @@ 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); @@ -1980,8 +2020,8 @@ static void batadv_send_roam_adv(struct bat_priv *bat_priv, uint8_t *client, sizeof(struct roam_adv_packet)); 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.version = BATADV_COMPAT_VERSION; + roam_adv_packet->header.ttl = BATADV_TTL; primary_if = batadv_primary_if_get_selected(bat_priv); if (!primary_if) goto out; @@ -2142,7 +2182,7 @@ static int batadv_tt_commit_changes(struct bat_priv *bat_priv, 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); @@ -2162,7 +2202,7 @@ 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; @@ -2220,7 +2260,8 @@ 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) { diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h index 7edc9df..46b60bd 100644 --- a/net/batman-adv/translation-table.h +++ b/net/batman-adv/translation-table.h @@ -32,8 +32,8 @@ void batadv_tt_global_add_orig(struct bat_priv *bat_priv, struct 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); + 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, diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 053c5d4..fd538ea 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -22,12 +22,11 @@ #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 unicast_packet), \ + sizeof(struct bcast_packet))) struct hard_iface { struct list_head list; @@ -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; @@ -122,13 +121,13 @@ struct 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; @@ -210,7 +209,7 @@ struct bat_priv { struct list_head tt_roam_list; struct hashtable_t *vis_hash; #ifdef CONFIG_BATMAN_ADV_BLA - struct bcast_duplist_entry bcast_duplist[DUPLIST_SIZE]; + struct bcast_duplist_entry bcast_duplist[BATADV_DUPLIST_SIZE]; int bcast_duplist_curr; struct bla_claim_dst claim_dest; #endif @@ -349,7 +348,7 @@ struct if_list_entry { }; struct debug_log { - char log_buff[LOG_BUF_LEN]; + 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 */ diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c index d021055..8454d91 100644 --- a/net/batman-adv/unicast.c +++ b/net/batman-adv/unicast.c @@ -29,9 +29,10 @@ #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 frag_packet_list_entry *tfp, + struct sk_buff *skb) { struct unicast_frag_packet *up = (struct unicast_frag_packet *)skb->data; @@ -75,7 +76,8 @@ 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 = @@ -91,12 +93,12 @@ 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; - 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); @@ -111,8 +113,9 @@ 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 frag_packet_list_entry * +batadv_frag_search_packet(struct list_head *head, + const struct unicast_frag_packet *up) { struct frag_packet_list_entry *tfp; struct unicast_frag_packet *tmp_up = NULL; @@ -188,22 +191,22 @@ 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; @@ -250,7 +253,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, memcpy(frag1, &tmp_uc, sizeof(tmp_uc)); frag1->header.ttl--; - frag1->header.version = COMPAT_VERSION; + frag1->header.version = BATADV_COMPAT_VERSION; frag1->header.packet_type = BAT_UNICAST_FRAG; memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN); @@ -316,11 +319,11 @@ find_router: unicast_packet = (struct 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; /* 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 */ diff --git a/net/batman-adv/unicast.h b/net/batman-adv/unicast.h index 9257b83..936287f 100644 --- a/net/batman-adv/unicast.h +++ b/net/batman-adv/unicast.h @@ -22,8 +22,8 @@ #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, struct sk_buff **new_skb); diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c index d45989e..7418169 100644 --- a/net/batman-adv/vis.c +++ b/net/batman-adv/vis.c @@ -26,12 +26,12 @@ #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 bat_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; @@ -50,7 +50,7 @@ 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; @@ -65,7 +65,7 @@ static int vis_info_cmp(const struct hlist_node *node, const void *data2) /* 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; @@ -88,8 +88,8 @@ 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 vis_info *batadv_vis_hash_find(struct bat_priv *bat_priv, + const void *data) { struct hashtable_t *hash = bat_priv->vis_hash; struct hlist_head *head; @@ -100,12 +100,12 @@ static struct vis_info *vis_hash_find(struct bat_priv *bat_priv, 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; @@ -119,9 +119,9 @@ 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 hlist_node *pos; @@ -140,73 +140,117 @@ 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 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); } +} + +/* read an entry */ +static ssize_t batadv_vis_data_read_entry(struct seq_file *seq, + const struct 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 void batadv_vis_data_insert_interfaces(struct hlist_head *list, + struct vis_packet *packet, + struct vis_info_entry *entries) +{ + int i; + + for (i = 0; i < packet->entries; i++) { + if (entries[i].quality == 0) + continue; + + if (batadv_compare_eth(entries[i].src, packet->vis_orig)) + continue; - return len; + batadv_vis_data_insert_interface(entries[i].src, list, false); + } } -static size_t vis_data_count_prim_sec(struct hlist_head *if_list) +static void batadv_vis_data_read_entries(struct seq_file *seq, + struct hlist_head *list, + struct vis_packet *packet, + struct vis_info_entry *entries) { + int i; struct if_list_entry *entry; struct hlist_node *pos; - size_t count = 0; - hlist_for_each_entry(entry, pos, if_list, list) { - if (entry->primary) - count += 9; - else - count += 23; - } + hlist_for_each_entry(entry, pos, list, list) { + seq_printf(seq, "%pM,", entry->addr); - return count; + 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 vis_info *info; + struct vis_packet *packet; + uint8_t *entries_pos; + struct vis_info_entry *entries; + struct 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 vis_packet *)info->skb_packet->data; + entries_pos = (uint8_t *)packet + sizeof(*packet); + entries = (struct 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 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; 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) @@ -215,120 +259,13 @@ int batadv_vis_seq_print_text(struct seq_file *seq, void *offset) if (vis_server == 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 +275,8 @@ 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 bat_priv *bat_priv, + struct vis_info *info) { if (list_empty(&info->send_list)) { kref_get(&info->refcount); @@ -349,17 +287,17 @@ 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 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 bat_priv *bat_priv, + struct list_head *recv_list, const char *mac) { struct recvlist_node *entry; @@ -374,8 +312,9 @@ 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 bat_priv *bat_priv, + const struct list_head *recv_list, + const char *mac) { const struct recvlist_node *entry; @@ -394,10 +333,10 @@ 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 vis_info *batadv_add_packet(struct bat_priv *bat_priv, + struct 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; @@ -418,16 +357,17 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv, sizeof(*search_packet)); 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))) { + 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. */ @@ -435,10 +375,10 @@ 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); @@ -473,14 +413,15 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv, if (packet->entries * sizeof(struct vis_info_entry) > vis_info_len) packet->entries = vis_info_len / sizeof(struct vis_info_entry); - 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; } @@ -499,8 +440,8 @@ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, make_broadcast = (vis_server == 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; @@ -508,7 +449,7 @@ void batadv_receive_server_sync_packet(struct bat_priv *bat_priv, * hash. */ if (vis_server == VIS_TYPE_SERVER_SYNC && is_new) - send_list_add(bat_priv, info); + batadv_send_list_add(bat_priv, info); end: spin_unlock_bh(&bat_priv->vis_hash_lock); } @@ -534,8 +475,8 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv, 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; @@ -546,11 +487,11 @@ void batadv_receive_client_update_packet(struct bat_priv *bat_priv, /* 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); + 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: @@ -562,8 +503,8 @@ 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 bat_priv *bat_priv, + struct vis_info *info) { struct hashtable_t *hash = bat_priv->orig_hash; struct neigh_node *router; @@ -600,13 +541,15 @@ 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 vis_info *info) { const struct vis_packet *packet; + size_t num_items; + packet = (struct vis_packet *)info->skb_packet->data; + num_items = BATADV_MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry); - if (MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry) - < packet->entries + 1) + if (num_items < packet->entries + 1) return true; return false; } @@ -614,7 +557,7 @@ 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 bat_priv *bat_priv) { struct hashtable_t *hash = bat_priv->orig_hash; struct hlist_node *node; @@ -632,13 +575,13 @@ static int generate_vis_packet(struct bat_priv *bat_priv) 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; skb_trim(info->skb_packet, sizeof(*packet)); if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) { - best_tq = find_best_vis_server(bat_priv, info); + best_tq = batadv_find_best_vis_server(bat_priv, info); if (best_tq < 0) return best_tq; @@ -675,7 +618,7 @@ 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(); @@ -697,7 +640,7 @@ 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(); @@ -713,7 +656,7 @@ 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 bat_priv *bat_priv) { uint32_t i; struct hashtable_t *hash = bat_priv->vis_hash; @@ -731,17 +674,17 @@ 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 bat_priv *bat_priv, + struct vis_info *info) { struct neigh_node *router; struct hashtable_t *hash = bat_priv->orig_hash; @@ -774,8 +717,8 @@ 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; } @@ -796,8 +739,8 @@ 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 bat_priv *bat_priv, + struct vis_info *info) { struct orig_node *orig_node; struct neigh_node *router = NULL; @@ -825,8 +768,9 @@ 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 bat_priv *bat_priv, + struct vis_info *info) { struct hard_iface *primary_if; struct vis_packet *packet; @@ -845,9 +789,9 @@ 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: @@ -856,7 +800,7 @@ 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); @@ -865,11 +809,11 @@ static void send_vis_packets(struct work_struct *work) struct vis_info *info; 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)) { @@ -879,14 +823,14 @@ 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 @@ -896,6 +840,8 @@ int batadv_vis_init(struct bat_priv *bat_priv) { struct vis_packet *packet; int hash_added; + unsigned int len; + unsigned long first_seen; if (bat_priv->vis_hash) return 0; @@ -908,13 +854,12 @@ 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; @@ -923,32 +868,33 @@ int batadv_vis_init(struct bat_priv *bat_priv) 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.version = BATADV_COMPAT_VERSION; packet->header.packet_type = BAT_VIS; - packet->header.ttl = TTL; + packet->header.ttl = BATADV_TTL; packet->seqno = 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: @@ -961,13 +907,13 @@ 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; info = container_of(node, struct vis_info, hash_entry); - send_list_del(info); - kref_put(&info->refcount, free_info); + batadv_send_list_del(info); + kref_put(&info->refcount, batadv_free_info); } /* shutdown vis-server */ @@ -980,16 +926,16 @@ 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 bat_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..16a1a6b 100644 --- a/net/batman-adv/vis.h +++ b/net/batman-adv/vis.h @@ -21,7 +21,7 @@ #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, |
