From: Thomas Pedersen <thomas@cozybit.com>
Date: Thu, 14 Feb 2013 19:20:13 +0000 (-0800)
Subject: mac80211: cache mesh beacon
X-Git-Tag: v3.9-rc1~139^2~31^2^2~1^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b5e19677592c167d012c2d129407f39d2bdeb8d;p=pandora-kernel.git

mac80211: cache mesh beacon

Previously, the entire mesh beacon would be generated each
time the beacon timer fired. Instead generate a beacon
head and tail (so the TIM can easily be inserted when mesh
power save is on) when starting a mesh or the MBSS
parameters change.

Also add a mutex for protecting beacon updates and
preventing leaks.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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