From: Eli Cohen <eli@mellanox.co.il>
Date: Tue, 15 Jul 2008 06:48:50 +0000 (-0700)
Subject: IPoIB: Only set Q_Key once: after joining broadcast group
X-Git-Tag: v2.6.27-rc1~1090^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0de13622d5ac658efe7c51521dbdbe0752aa3dd;p=pandora-kernel.git

IPoIB: Only set Q_Key once: after joining broadcast group

The current code will set the Q_Key for any join of a non-sendonly
multicast group.  The operation involves a modify QP operation, which
is fairly heavyweight, and is only really required after the join of
the broadcast group.  Fix this by adding a parameter to ipoib_mcast_attach()
to control when the Q_Key is set.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---

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