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bridge: multicast: restore router configuration on port link down/up

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When a port goes through a link down/up the multicast router configuration
is not restored.

Signed-off-by: Satish Ashok <sashok@cumulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Fixes: 0909e11758 ("bridge: Add multicast_router sysfs entries")
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Satish Ashok 2015-06-19 01:22:57 -07:00 committed by David S. Miller
parent d496f7842a
commit 754bc547f0
1 changed files with 4 additions and 0 deletions
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4
net/bridge/br_multicast.c
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@ -37,6 +37,8 @@
static void br_multicast_start_querier(struct net_bridge *br,
struct bridge_mcast_own_query *query);
static void br_multicast_add_router(struct net_bridge *br,
struct net_bridge_port *port);
unsigned int br_mdb_rehash_seq;
static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b)
@ -936,6 +938,8 @@ void br_multicast_enable_port(struct net_bridge_port *port)
#if IS_ENABLED(CONFIG_IPV6)
br_multicast_enable(&port->ip6_own_query);
#endif
if (port->multicast_router == 2 && hlist_unhashed(&port->rlist))
br_multicast_add_router(br, port);
out:
spin_unlock(&br->multicast_lock);