diff options
author | Satish Ashok <sashok@cumulusnetworks.com> | 2015-07-15 07:16:51 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-07-20 12:49:10 -0700 |
commit | e10177abf842d0c40dfecc43bd57a0a762a2fccf (patch) | |
tree | 587a87497bfc08ab6fb8377dcf92d4e3e8c37e51 /net/bridge/br_multicast.c | |
parent | ef8299de7e2bf61ed24d1da699fa5ba13549d5f8 (diff) | |
download | linux-e10177abf842d0c40dfecc43bd57a0a762a2fccf.tar.bz2 |
bridge: multicast: fix handling of temp and perm entries
When the bridge (or port) is brought down/up flush only temp entries and
leave the perm ones. Flush perm entries only when deleting the bridge
device or the associated port.
Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.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 | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 55903d91d0a8..0dd3cd90962c 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -916,6 +916,15 @@ void br_multicast_add_port(struct net_bridge_port *port) void br_multicast_del_port(struct net_bridge_port *port) { + struct net_bridge *br = port->br; + struct net_bridge_port_group *pg; + struct hlist_node *n; + + /* Take care of the remaining groups, only perm ones should be left */ + spin_lock_bh(&br->multicast_lock); + hlist_for_each_entry_safe(pg, n, &port->mglist, mglist) + br_multicast_del_pg(br, pg); + spin_unlock_bh(&br->multicast_lock); del_timer_sync(&port->multicast_router_timer); } @@ -955,7 +964,8 @@ void br_multicast_disable_port(struct net_bridge_port *port) spin_lock(&br->multicast_lock); hlist_for_each_entry_safe(pg, n, &port->mglist, mglist) - br_multicast_del_pg(br, pg); + if (pg->state == MDB_TEMPORARY) + br_multicast_del_pg(br, pg); if (!hlist_unhashed(&port->rlist)) hlist_del_init_rcu(&port->rlist); @@ -1732,12 +1742,6 @@ void br_multicast_open(struct net_bridge *br) void br_multicast_stop(struct net_bridge *br) { - struct net_bridge_mdb_htable *mdb; - struct net_bridge_mdb_entry *mp; - struct hlist_node *n; - u32 ver; - int i; - del_timer_sync(&br->multicast_router_timer); del_timer_sync(&br->ip4_other_query.timer); del_timer_sync(&br->ip4_own_query.timer); @@ -1745,6 +1749,15 @@ void br_multicast_stop(struct net_bridge *br) del_timer_sync(&br->ip6_other_query.timer); del_timer_sync(&br->ip6_own_query.timer); #endif +} + +void br_multicast_dev_del(struct net_bridge *br) +{ + struct net_bridge_mdb_htable *mdb; + struct net_bridge_mdb_entry *mp; + struct hlist_node *n; + u32 ver; + int i; spin_lock_bh(&br->multicast_lock); mdb = mlock_dereference(br->mdb, br); |