diff options
Diffstat (limited to 'net/bridge/br_multicast.c')
| -rw-r--r-- | net/bridge/br_multicast.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index b3647d090e1f..708e84f31888 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -783,6 +783,7 @@ static void br_multicast_send_query(struct net_bridge *br, struct br_ip br_group; if (!netif_running(br->dev) || br->multicast_disabled || + !br->multicast_querier || timer_pending(&br->multicast_querier_timer)) return; @@ -1565,6 +1566,7 @@ void br_multicast_init(struct net_bridge *br) br->hash_max = 512; br->multicast_router = 1; + br->multicast_querier = 0; br->multicast_last_member_count = 2; br->multicast_startup_query_count = 2; @@ -1760,6 +1762,24 @@ unlock: return err; } +int br_multicast_set_querier(struct net_bridge *br, unsigned long val) +{ + val = !!val; + + spin_lock_bh(&br->multicast_lock); + if (br->multicast_querier == val) + goto unlock; + + br->multicast_querier = val; + if (val) + br_multicast_start_querier(br); + +unlock: + spin_unlock_bh(&br->multicast_lock); + + return 0; +} + int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val) { int err = -ENOENT; |