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

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> > However -- I was thinking of something else, not data packets. While
> > scanning, all received beacons will be handed to the scan code. But if
> > the mlme code isn't told to stop looking for them, it'll still expect to
> > see the beacons.
> 
> Currently, it seems mlme timers are stopped when we start scanning,
> and then started when scanning is complete.

Ok, I wasn't quite sure about that part -- whether it happened when
going off-channel or when starting scan. If it happened while going
off-channel this would've been problematic here.

> However, I don't see any similar effort in the work_work() method
> when it goes off-channel.
> 
> Should we move the timer pause & restart logic into the offchannel_stop_vifs
> and offchannel_return methods?

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)?

johannes

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