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Re: [RFC v3] mac80211: Optimize scans on current operating channel.

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On Mon, 2011-01-31 at 09:30 -0800, Ben Greear wrote:

> > Well, sort of no, and sort of yes -- both will disrupt that code in a
> > sense, but even scanning on the same channel will disrupt it due to the
> > beacon diversion, unless we copy the beacons and give them to both sides
> > (scan and mlme)?
> 
> Seems to me both sides should get them.  I'll try to figure out how to
> do that properly today.
> 
> But, if work_work() takes us off-channel often enough, wouldn't that
> cause undue beacon loss and/or timed-out tx acks?  

Not TX ACKs really -- the device shouldn't be switching inbetween, but
beacon loss yeah.

> Are there any guarantees
> about how often and how long work_work() can take us off-channel?

No, with p2p it can be quite a bit of time.

johannes

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