From: Arik Nemtsov <arik@wizery.com>
Date: Sun, 1 Sep 2013 14:15:51 +0000 (+0300)
Subject: mac80211: implement STA CSA for drivers using channel contexts
X-Git-Tag: v3.13-rc1~105^2~181^2^2~38^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7578d57520f51093f590d68e16965e2714e69747;p=pandora-kernel.git

mac80211: implement STA CSA for drivers using channel contexts

Limit the current implementation to a single channel context used by
a single vif, thereby avoiding multi-vif/channel complexities.

Reuse the main function from AP CSA code, but move a portion out in
order to fit the STA scenario.

Add a new mac80211 HW flag so we don't break devices that don't support
channel switch with channel-contexts. The new behavior will be opt-in.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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