diff options
| author | Amerigo Wang <amwang@redhat.com> | 2012-12-14 22:09:51 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-12-15 17:14:39 -0800 |
| commit | ccb1c31a7a8744cd153a7d92b726a56b56ad61d3 (patch) | |
| tree | 1c62ac2565c657155474b3e8335a13ebcc35560e /net/bridge/br_multicast.c | |
| parent | 9dd9ff99532d7a7f8222fd1f0d410d91c0f15ac5 (diff) | |
bridge: add flags to distinguish permanent mdb entires
This patch adds a flag to each mdb entry, so that we can distinguish
permanent entries with temporary entries.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_multicast.c')
| -rw-r--r-- | net/bridge/br_multicast.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 2561af9d18a2..dce9defae3c6 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -279,7 +279,7 @@ static void br_multicast_port_group_expired(unsigned long data) spin_lock(&br->multicast_lock); if (!netif_running(br->dev) || timer_pending(&pg->timer) || - hlist_unhashed(&pg->mglist)) + hlist_unhashed(&pg->mglist) || pg->state & MDB_PERMANENT) goto out; br_multicast_del_pg(br, pg); @@ -622,7 +622,8 @@ out: struct net_bridge_port_group *br_multicast_new_port_group( struct net_bridge_port *port, struct br_ip *group, - struct net_bridge_port_group __rcu *next) + struct net_bridge_port_group __rcu *next, + unsigned char state) { struct net_bridge_port_group *p; @@ -632,6 +633,7 @@ struct net_bridge_port_group *br_multicast_new_port_group( p->addr = *group; p->port = port; + p->state = state; rcu_assign_pointer(p->next, next); hlist_add_head(&p->mglist, &port->mglist); setup_timer(&p->timer, br_multicast_port_group_expired, @@ -674,7 +676,7 @@ static int br_multicast_add_group(struct net_bridge *br, break; } - p = br_multicast_new_port_group(port, group, *pp); + p = br_multicast_new_port_group(port, group, *pp, MDB_TEMPORARY); if (unlikely(!p)) goto err; rcu_assign_pointer(*pp, p); |