ath5k: keep beacon RSSI average
authorBruno Randolf <br1@einfach.org>
Thu, 25 Mar 2010 05:49:25 +0000 (14:49 +0900)
committerJohn W. Linville <linville@tuxdriver.com>
Wed, 31 Mar 2010 18:39:09 +0000 (14:39 -0400)
Keep an exponentially weighted moving average of the beacon RSSI in our BSS.
It will be used by the ANI implementation.

The averaging algorithm is copied from rt2x00, Thanks :)

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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