diff options
Diffstat (limited to 'net/batman-adv/routing.c')
| -rw-r--r-- | net/batman-adv/routing.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 8f88967..2f1f889 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -403,7 +403,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, goto out; /* not for me */ - if (!batadv_is_my_mac(ethhdr->h_dest)) + if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest)) goto out; icmp_packet = (struct batadv_icmp_packet_rr *)skb->data; @@ -417,7 +417,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb, } /* packet for me */ - if (batadv_is_my_mac(icmp_packet->dst)) + if (batadv_is_my_mac(bat_priv, icmp_packet->dst)) return batadv_recv_my_icmp_packet(bat_priv, skb, hdr_size); /* TTL exceeded */ @@ -551,6 +551,7 @@ batadv_find_ifalter_router(struct batadv_orig_node *primary_orig, /** * batadv_check_unicast_packet - Check for malformed unicast packets + * @bat_priv: the bat priv with all the soft interface information * @skb: packet to check * @hdr_size: size of header to pull * @@ -559,7 +560,8 @@ batadv_find_ifalter_router(struct batadv_orig_node *primary_orig, * reason: -ENODATA for bad header, -EBADR for broadcast destination or source, * and -EREMOTE for non-local (other host) destination. */ -static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size) +static int batadv_check_unicast_packet(struct batadv_priv *bat_priv, + struct sk_buff *skb, int hdr_size) { struct ethhdr *ethhdr; @@ -578,7 +580,7 @@ static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size) return -EBADR; /* not for me */ - if (!batadv_is_my_mac(ethhdr->h_dest)) + if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest)) return -EREMOTE; return 0; @@ -593,7 +595,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if) char tt_flag; size_t packet_size; - if (batadv_check_unicast_packet(skb, hdr_size) < 0) + if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0) return NET_RX_DROP; /* I could need to modify it */ @@ -625,7 +627,7 @@ int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if) case BATADV_TT_RESPONSE: batadv_inc_counter(bat_priv, BATADV_CNT_TT_RESPONSE_RX); - if (batadv_is_my_mac(tt_query->dst)) { + if (batadv_is_my_mac(bat_priv, tt_query->dst)) { /* packet needs to be linearized to access the TT * changes */ @@ -668,14 +670,15 @@ int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if) struct batadv_roam_adv_packet *roam_adv_packet; struct batadv_orig_node *orig_node; - if (batadv_check_unicast_packet(skb, sizeof(*roam_adv_packet)) < 0) + if (batadv_check_unicast_packet(bat_priv, skb, + sizeof(*roam_adv_packet)) < 0) goto out; batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX); roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data; - if (!batadv_is_my_mac(roam_adv_packet->dst)) + if (!batadv_is_my_mac(bat_priv, roam_adv_packet->dst)) return batadv_route_unicast_packet(skb, recv_if); /* check if it is a backbone gateway. we don't accept @@ -981,7 +984,7 @@ static int batadv_check_unicast_ttvn(struct batadv_priv *bat_priv, * last time) the packet had an updated information or not */ curr_ttvn = (uint8_t)atomic_read(&bat_priv->tt.vn); - if (!batadv_is_my_mac(unicast_packet->dest)) { + if (!batadv_is_my_mac(bat_priv, unicast_packet->dest)) { orig_node = batadv_orig_hash_find(bat_priv, unicast_packet->dest); /* if it is not possible to find the orig_node representing the @@ -1059,7 +1062,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, hdr_size = sizeof(*unicast_4addr_packet); /* function returns -EREMOTE for promiscuous packets */ - check = batadv_check_unicast_packet(skb, hdr_size); + check = batadv_check_unicast_packet(bat_priv, skb, hdr_size); /* Even though the packet is not for us, we might save it to use for * decoding a later received coded packet @@ -1074,7 +1077,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, return NET_RX_DROP; /* packet for me */ - if (batadv_is_my_mac(unicast_packet->dest)) { + if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) { if (is4addr) { batadv_dat_inc_counter(bat_priv, unicast_4addr_packet->subtype); @@ -1111,7 +1114,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb, struct sk_buff *new_skb = NULL; int ret; - if (batadv_check_unicast_packet(skb, hdr_size) < 0) + if (batadv_check_unicast_packet(bat_priv, skb, hdr_size) < 0) return NET_RX_DROP; if (!batadv_check_unicast_ttvn(bat_priv, skb)) @@ -1120,7 +1123,7 @@ int batadv_recv_ucast_frag_packet(struct sk_buff *skb, unicast_packet = (struct batadv_unicast_frag_packet *)skb->data; /* packet for me */ - if (batadv_is_my_mac(unicast_packet->dest)) { + if (batadv_is_my_mac(bat_priv, unicast_packet->dest)) { ret = batadv_frag_reassemble_skb(skb, bat_priv, &new_skb); if (ret == NET_RX_DROP) @@ -1174,13 +1177,13 @@ int batadv_recv_bcast_packet(struct sk_buff *skb, goto out; /* ignore broadcasts sent by myself */ - if (batadv_is_my_mac(ethhdr->h_source)) + if (batadv_is_my_mac(bat_priv, ethhdr->h_source)) goto out; bcast_packet = (struct batadv_bcast_packet *)skb->data; /* ignore broadcasts originated by myself */ - if (batadv_is_my_mac(bcast_packet->orig)) + if (batadv_is_my_mac(bat_priv, bcast_packet->orig)) goto out; if (bcast_packet->header.ttl < 2) @@ -1266,14 +1269,14 @@ int batadv_recv_vis_packet(struct sk_buff *skb, ethhdr = (struct ethhdr *)skb_mac_header(skb); /* not for me */ - if (!batadv_is_my_mac(ethhdr->h_dest)) + if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest)) return NET_RX_DROP; /* ignore own packets */ - if (batadv_is_my_mac(vis_packet->vis_orig)) + if (batadv_is_my_mac(bat_priv, vis_packet->vis_orig)) return NET_RX_DROP; - if (batadv_is_my_mac(vis_packet->sender_orig)) + if (batadv_is_my_mac(bat_priv, vis_packet->sender_orig)) return NET_RX_DROP; switch (vis_packet->vis_type) { |
