I guess the point is AQM is not really that expensive, even FQ AQM, traffic
shaping however is expensive. But for wifi shaping is not required so AQM
became feasible.
Regards
Sebastian
On 4 August 2021 14:46:30 CEST, Mikael Abrahamsson via Bloat
<bloat@lists.bufferbloat.net> wrote:
>On Wed, 4 Aug 2021, Jonathan Morton wrote:
>
>> Linux-based CPE devices have AQM functionality integrated into the Wifi
>> stack. The AQM itself operates at layer 3, but the Linux Wifi stack
>> implementation uses information from layers 2 and 4 to improve
>> scheduling decisions, eg. airtime-fairness and flow-isolation (FQ). This
>> works best on soft-MAC Wifi hardware, such as ath9k/10k and MT76, where
>> this information is most readily available to software. In principle it
>> could also be implemented in the MAC, but I don't know of any vendor
>> that's done that yet.
>
>Does this work also with flowoffload enabled, or is that not accelerated
>on for instance MT76? I'm surprised since MT76 can barely do 100 meg/s of
>large packets using only CPU?
>
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>Mikael Abrahamsson email: swm...@swm.pp.se
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