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Re: [PATCH] ath9k: Implement op_flush()

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On Sat, Feb 19, 2011 at 03:26:30PM +0530, Johannes Berg wrote:
> On Sat, 2011-02-19 at 15:19 +0530, Vasanthakumar Thiagarajan wrote:
> > On Sat, Feb 19, 2011 at 02:54:00PM +0530, Johannes Berg wrote:
> > > On Sat, 2011-02-19 at 01:13 -0800, Vasanthakumar Thiagarajan wrote:
> > > > When op_flush() is called with no drop (drop=false), the driver
> > > > tries to tx as many frames as possible in about 100ms on every
> > > > hw queue. During this time period frames from sw queue are also
> > > > scheduled on to respective hw queue.
> > > 
> > > Given how long HW queues currently are, I wouldn't set the timeout to
> > > 100ms -- mac80211 has no expectation how long this will take, although
> > > 100ms seems pretty long I'm not sure it'll always be sufficient?

Would not having a long timeout for flush affect bg scanning by
applications (scan time out)?.

Vasanth
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