Re: [RFC/T][PATCH][V3] mac80211: Exponential moving average estimate for rc80211_simple

[Mattias Nissler <mattias.nissler@gmx.de>]

On Tue, 2007-11-27 at 09:07 -0600, Larry Finger wrote:
> Johannes Berg wrote:
> > On Mon, 2007-11-26 at 22:30 +0100, Mattias Nissler wrote:
> >> This changes rc80211_simple failed frame percentage estimation to use an
> >> exponential moving average method. Failed frames percentage is sampled over
> >> time and a smoothed average is computed. This average is examined periodically
> >> and the rate adjusted eventually.
> >>
> >> Compared to the old method this new approach is much more responsive. The old
> >> method used plain tx success/failure counters. This made rate control very
> >> unresponsive after a short time of using the interface, since old data wouldn't
> >> age properly.
> > 
> > Sounds sane and better than before. If it works we can apply this I
> > guess.
> 
> I have not done any rigorous testing of this patch; however, it has not caused any harm on my system.

Good to hear. I've tested it with rt61pci and rt73usb. I guess you
tested b43[legacy]. Any other test results, especially in low signal
quality situations would be of great help.

Mattias