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bridge: send query as soon as leave is received 

Continue sending queries when leave is received if the user marks
it as a querier.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Adam Baker <linux@baker-net.org.uk>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Cong Wang 2013-05-21 21:52:56 +00:00 committed by David S. Miller
parent 9f00b2e7cf
commit 6b7df111ec
1 changed files with 26 additions and 0 deletions
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26
net/bridge/br_multicast.c
View File

@ -1250,6 +1250,32 @@ static void br_multicast_leave_group(struct net_bridge *br,
if (!mp)
goto out;
if (br->multicast_querier &&
!timer_pending(&br->multicast_querier_timer)) {
__br_multicast_send_query(br, port, &mp->addr);
time = jiffies + br->multicast_last_member_count *
br->multicast_last_member_interval;
mod_timer(port ? &port->multicast_query_timer :
&br->multicast_query_timer, time);
for (p = mlock_dereference(mp->ports, br);
p != NULL;
p = mlock_dereference(p->next, br)) {
if (p->port != port)
continue;
if (!hlist_unhashed(&p->mglist) &&
(timer_pending(&p->timer) ?
time_after(p->timer.expires, time) :
try_to_del_timer_sync(&p->timer) >= 0)) {
mod_timer(&p->timer, time);
}
break;
}
}
if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) {
struct net_bridge_port_group __rcu **pp;