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Re: [RFC] mac80211: dynamic PS - don't enter PS when TX frames are pending

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On Sun, Jun 19, 2011 at 10:11:16AM +0200, Johannes Berg wrote:
> On Sat, 2011-06-18 at 22:32 +0300, Arik Nemtsov wrote:
> > Use the tx_frames_pending() driver callback to determine if Tx frames are
> > pending for its internal queues. If so postpone the dynamic PS timeout
> > to avoid interrupting Tx traffic.
> > 
> > The commit e8306f989483e4b97a8b37dd268de6c8c6f35e75 enabled this
> > behavior for drivers with IEEE80211_HW_PS_NULLFUNC_STACK. We enable this
> > for all drivers supporting dynamic PS.
> > 
> > This patch helps improve performance in noisy environments.
> 
> FWIW, I don't really consider myself maintaining the PS
> implementation ;-) I don't understand it and think the code is way too
> complex.

Perhaps Kalle can comment?  Or...?

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
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