netdev - [Patch net-next 3/3] bridge: send query as soon as leave is received

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Message-Id: <1367220392-17496-3-git-send-email-amwang@redhat.com>
Date:	Mon, 29 Apr 2013 15:26:32 +0800
From:	Cong Wang <amwang@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Herbert Xu <herbert@...dor.hengli.com.au>,
	Stephen Hemminger <stephen@...workplumber.org>,
	"David S. Miller" <davem@...emloft.net>,
	Adam Baker <linux@...er-net.org.uk>,
	Cong Wang <amwang@...hat.com>
Subject: [Patch net-next 3/3] bridge: send query as soon as leave is received

From: Cong Wang <amwang@...hat.com>

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

Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: Stephen Hemminger <stephen@...workplumber.org>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Adam Baker <linux@...er-net.org.uk>
Signed-off-by: Cong Wang <amwang@...hat.com>
---
 net/bridge/br_multicast.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index a821a4e..03a8f2b 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1246,6 +1246,17 @@ static void br_multicast_leave_group(struct net_bridge *br,
 	if (!mp)
 		goto out;
 
+	if (br->multicast_querier) {
+		mod_timer(&br->multicast_query_timer, jiffies);
+		list_for_each_entry(port, &br->port_list, list) {
+			if (port->state == BR_STATE_DISABLED ||
+			    port->state == BR_STATE_BLOCKING)
+				continue;
+
+			__br_multicast_enable_port(port);
+		}
+	}
+
 	if (port && (port->flags & BR_MULTICAST_FAST_LEAVE)) {
 		struct net_bridge_port_group __rcu **pp;
 
-- 
1.7.7.6

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