From: Flavio Leitner <fleitner@redhat.com>
Date: Tue, 5 Oct 2010 14:23:58 +0000 (+0000)
Subject: bonding: fix to rejoin multicast groups immediately
X-Git-Tag: v2.6.37-rc1~147^2~232
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e12b453904c54bbdc515778ff664d87a7f9473af;p=pandora-kernel.git

bonding: fix to rejoin multicast groups immediately

The IGMP specs states that if the system receives a
membership report, it shouldn't send another for the
next minute. However, if a link failure happens right
after that, the backup slave and the switch connected
to this slave will not know about the multicast and
the traffic will hang for about a minute.

This patch fixes it to rejoin multicast groups immediately
after a failover restoring the multicast traffic.

Signed-off-by: Flavio Leitner <fleitner@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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