From: Chris Healy <cphealy@gmail.com>
Date: Thu, 12 Sep 2013 04:37:47 +0000 (-0700)
Subject: resubmit bridge: fix message_age_timer calculation
X-Git-Tag: v3.12-rc2~14^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a0620133ccce9dd35c00a96405c8d80938c2cc0;p=pandora-kernel.git

resubmit bridge: fix message_age_timer calculation

This changes the message_age_timer calculation to use the BPDU's max age as
opposed to the local bridge's max age.  This is in accordance with section
8.6.2.3.2 Step 2 of the 802.1D-1998 sprecification.

With the current implementation, when running with very large bridge
diameters, convergance will not always occur even if a root bridge is
configured to have a longer max age.

Tested successfully on bridge diameters of ~200.

Signed-off-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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