diff options
Diffstat (limited to 'net/batman-adv/distributed-arp-table.c')
| -rw-r--r-- | net/batman-adv/distributed-arp-table.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 4f643fdb5bc6..28cfa53837e1 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -43,6 +43,7 @@ #include <linux/workqueue.h> #include <net/arp.h> +#include "bridge_loop_avoidance.h" #include "hard-interface.h" #include "hash.h" #include "log.h" @@ -1040,6 +1041,20 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv, goto out; } + /* If BLA is enabled, only send ARP replies if we have claimed + * the destination for the ARP request or if no one else of + * the backbone gws belonging to our backbone has claimed the + * destination. + */ + if (!batadv_bla_check_claim(bat_priv, + dat_entry->mac_addr, vid)) { + batadv_dbg(BATADV_DBG_DAT, bat_priv, + "Device %pM claimed by another backbone gw. Don't send ARP reply!", + dat_entry->mac_addr); + ret = true; + goto out; + } + skb_new = batadv_dat_arp_create_reply(bat_priv, ip_dst, ip_src, dat_entry->mac_addr, hw_src, vid); |