diff options
Diffstat (limited to 'net/bridge/br_multicast.c')
| -rw-r--r-- | net/bridge/br_multicast.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 9b379e110129..ad12fe3fca8c 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -148,8 +148,7 @@ static void br_multicast_group_expired(struct timer_list *t) if (!netif_running(br->dev) || timer_pending(&mp->timer)) goto out; - mp->host_joined = false; - br_mdb_notify(br->dev, NULL, &mp->addr, RTM_DELMDB, 0); + br_multicast_host_leave(mp, true); if (mp->ports) goto out; @@ -512,6 +511,27 @@ static bool br_port_group_equal(struct net_bridge_port_group *p, return ether_addr_equal(src, p->eth_addr); } +void br_multicast_host_join(struct net_bridge_mdb_entry *mp, bool notify) +{ + if (!mp->host_joined) { + mp->host_joined = true; + if (notify) + br_mdb_notify(mp->br->dev, NULL, &mp->addr, + RTM_NEWMDB, 0); + } + mod_timer(&mp->timer, jiffies + mp->br->multicast_membership_interval); +} + +void br_multicast_host_leave(struct net_bridge_mdb_entry *mp, bool notify) +{ + if (!mp->host_joined) + return; + + mp->host_joined = false; + if (notify) + br_mdb_notify(mp->br->dev, NULL, &mp->addr, RTM_DELMDB, 0); +} + static int br_multicast_add_group(struct net_bridge *br, struct net_bridge_port *port, struct br_ip *group, @@ -534,11 +554,7 @@ static int br_multicast_add_group(struct net_bridge *br, goto err; if (!port) { - if (!mp->host_joined) { - mp->host_joined = true; - br_mdb_notify(br->dev, NULL, &mp->addr, RTM_NEWMDB, 0); - } - mod_timer(&mp->timer, now + br->multicast_membership_interval); + br_multicast_host_join(mp, true); goto out; } |