netdev - [PATCH net] bridge: mdb: start delete timer for temp static entries

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Message-Id: <1436187215-4973-1-git-send-email-nikolay@cumulusnetworks.com>
Date:	Mon,  6 Jul 2015 05:53:35 -0700
From:	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:	netdev@...r.kernel.org
Cc:	amwang@...hat.com, bridge@...ts.linux-foundation.org,
	davem@...emloft.net, stephen@...workplumber.org,
	Satish Ashok <sashok@...ulusnetworks.com>,
	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH net] bridge: mdb: start delete timer for temp static entries

From: Satish Ashok <sashok@...ulusnetworks.com>

Start the delete timer when adding temp static entries so they can expire.

Signed-off-by: Satish Ashok <sashok@...ulusnetworks.com>
Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Fixes: ccb1c31a7a87 ("bridge: add flags to distinguish permanent mdb entires")
---
 net/bridge/br_mdb.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index e29ad70b3000..3bfc675cf0d1 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -323,6 +323,7 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
 	struct net_bridge_port_group *p;
 	struct net_bridge_port_group __rcu **pp;
 	struct net_bridge_mdb_htable *mdb;
+	unsigned long now = jiffies;
 	int err;
 
 	mdb = mlock_dereference(br->mdb, br);
@@ -347,6 +348,8 @@ static int br_mdb_add_group(struct net_bridge *br, struct net_bridge_port *port,
 	if (unlikely(!p))
 		return -ENOMEM;
 	rcu_assign_pointer(*pp, p);
+	if (state == MDB_TEMPORARY)
+		mod_timer(&p->timer, now + br->multicast_membership_interval);
 
 	br_mdb_notify(br->dev, port, group, RTM_NEWMDB);
 	return 0;
-- 
1.9.3

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