Support for scan while in AP mode, and offchannel while in AP mode
kvalo at qca.qualcomm.com
Mon Aug 18 23:07:05 PDT 2014
Avery Pennarun <apenwarr at gmail.com> writes:
>>> Are there any plans to implement this feature? It's important in
>>> order to implement automatic channel change in case of changes in the
>>> interference environment.
>> No plans at the moment. Does anyone know how much work would it be to
>> change mac80211 to support this with hw_scan?
> Is there any particular reason it can't just resort to a sw_scan for
> this use case? What's the benefit of hw_scan? I'm surprised there
> would be any particular CPU time taken for such a thing.
For mobile devices hw_scan is important because the ability to allow the
host CPU to sleep while scanning. For others I'm not that sure, maybe
firmware can do timing better (less intrusive) than host based sw
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