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bridge: mdb: notify on router port add and del

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Send notifications on router port add and del/expire, re-use the already
existing MDBA_ROUTER and send NEWMDB/DELMDB netlink notifications
respectively.

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>
This commit is contained in:
Satish Ashok
2015-07-23 05:00:53 -07:00
committed by David S. Miller
parent 597798e438
commit 949f1e39a6
3 changed files with 77 additions and 2 deletions
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10
net/bridge/br_multicast.c
View File

@@ -766,6 +766,7 @@ static void br_multicast_router_expired(unsigned long data)
goto out;
hlist_del_init_rcu(&port->rlist);
br_rtr_notify(br->dev, port, RTM_DELMDB);
out:
spin_unlock(&br->multicast_lock);
@@ -977,8 +978,10 @@ void br_multicast_disable_port(struct net_bridge_port *port)
if (pg->state == MDB_TEMPORARY)
br_multicast_del_pg(br, pg);
if (!hlist_unhashed(&port->rlist))
if (!hlist_unhashed(&port->rlist)) {
hlist_del_init_rcu(&port->rlist);
br_rtr_notify(br->dev, port, RTM_DELMDB);
}
del_timer(&port->multicast_router_timer);
del_timer(&port->ip4_own_query.timer);
#if IS_ENABLED(CONFIG_IPV6)
@@ -1216,6 +1219,7 @@ static void br_multicast_add_router(struct net_bridge *br,
hlist_add_behind_rcu(&port->rlist, slot);
else
hlist_add_head_rcu(&port->rlist, &br->router_list);
br_rtr_notify(br->dev, port, RTM_NEWMDB);
}
static void br_multicast_mark_router(struct net_bridge *br,
@@ -1848,8 +1852,10 @@ int br_multicast_set_port_router(struct net_bridge_port *p, unsigned long val)
p->multicast_router = val;
err = 0;
if (val < 2 && !hlist_unhashed(&p->rlist))
if (val < 2 && !hlist_unhashed(&p->rlist)) {
hlist_del_init_rcu(&p->rlist);
br_rtr_notify(br->dev, p, RTM_DELMDB);
}
if (val == 1)
break;