From: Yogesh Ashok Powar <yogeshp@marvell.com>
Date: Tue, 25 Feb 2014 12:12:18 +0000 (+0530)
Subject: mwl8k: Adding support to gather survey per channel
X-Git-Tag: v3.15-rc1~113^2~159^2^2~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=031eb464fb4b7e475c4e8ca59502f017ae328704;p=pandora-kernel.git

mwl8k: Adding support to gather survey per channel

Survey stats such as channel busy time, rx busy time
and noise are collected when sw_scan starts for every
switched new channel. This happens till sw_scan stops.

All the collected stats are shared up when get_survey()
is called.

This implements support for ACS feature from Hostapd.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Nishant Sarmukadam <nishants@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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