[Bloat] Steam In Home Streaming on ath9k wifi

[Steinar H. Gunderson]

On Sun, Nov 26, 2017 at 11:53:04AM +0100, Jan Ceuleers wrote:
>> Another explanation for latency spikes on the order of 100ms is that a
>> periodic (and wholly unnecessary) scan for other APs is run, which
>> requires the wifi radio to be temporarily tuned away from the currently
>> associated AP's frequency.
> My understanding is that APs that operate on channels that are wider
> than 20MHz must back off to 20MHz in case they detect other SSIDs that
> are competing for the wider channel.

It's not about the AP, it's about the client. (APs can detect extension
channel interference without doing a scan, although I don't know if you need
this fallback at all on 5 GHz.)

/* Steinar */
-- 
Homepage: https://www.sesse.net/