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Re: [PATCH 4/5] iwlwifi: auto-tune tx queue size to minimize latency

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On Tue, Feb 15, 2011 at 01:13:06PM +0100, Johannes Berg wrote:

> mac80211 has the advantage that TX status is reported back, so it could
> pretty accurately know how many frames are queued up -- more generically
> this cannot be done.
> 
> But since it's not perfectly accurate right now, it may not be the best
> idea to do this at this time.

Let's not make the perfect the enemy of the good.  An imperfect
implementation at the mac80211 layer is likely better than a somewhat
better implementation for one driver and no implementation for
the rest.

Now, someone help me understand how .11n aggregation complicates this... :-)

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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