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Re: [PATCH 0/2] beacon measurement (beacon filtering disable)

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On Wed, 2013-07-17 at 07:10 +0300, Kalle Valo wrote:
> Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes:
> 
> > We have beacon filtering (to reduce host wakeups) in our device,
> > but for some measurement/debug purposes we need to turn it off.
> 
> TBH I'm not really fond of this. I'm not really sure what's the use
> case but first this sounded a like a factory test for me, not something
> which a regular user would want to do.

Yeah, in a way that's true. FWIW, we could also connect it to testmode
and not worry about it for upstream, but it seemed that others might
want/need similar functionality.

> Can't we connect this to power save? When disabling power save we could
> also disable beacon filtering and would not need a separate command.

I'm not so sure that's a good idea. While superficially beacon filtering
is related to saving power, it's really a different thing - it's about
CPU/host power while powersave is about device power (RX chains etc.)
Connecting them, in particular where disabling beacon filtering isn't
even supported by all devices, doesn't really seem like a good idea,
particularly not for any tool that would require such functionality.

johannes

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