On Mon, Nov 17, 2014 at 11:48:06AM +0100, Johannes Berg wrote:
> From: Johannes Berg <[email protected]>
> 
> In many cases, drivers can filter things like beacons that will
> skew statistics reported by mac80211. To get correct statistics
> in these cases, call drivers to obtain statistics and let them
> override all values, filling values from mac80211 if the driver
> didn't provide them.

Neat.

For mesh, it's handy to have the (somewhat imperfectly specified)
sta->fail_avg too for drivers that implement all the rate control
in firmware and thus may not report tx status for all frames.

At cozybit we had implemented a drv_link_stats driver op (hack) that
just got last_tx_rate and fail_avg so that the airtime link metric
could work on such devices; this call could replace that, I hope.

-- 
Bob Copeland %% http://bobcopeland.com/
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