[Make-wifi-fast] [PATCH RFC v4 3/4] mac80211: Add airtime accounting and scheduling to TXQs

Toke Høiland-Jørgensen toke at toke.dk
Fri Sep 28 07:02:55 EDT 2018

On 28 September 2018 12:47:51 CEST, Rajkumar Manoharan <rmanohar at codeaurora.org> wrote:
>On 2018-09-28 03:35, Jonathan Morton wrote:
>>> On 28 Sep, 2018, at 1:19 pm, Rajkumar Manoharan 
>>> <rmanohar at codeaurora.org> wrote:
>>>> This is going to break fairness; we only want to increase deficits 
>>>> when
>>>> all stations' deficits are negative. Hence the two loops. Did you
>>>> any problems with those specifically?
>>> No. I didn't see any issue but the loop won't exit until one txq 
>>> becomes positive.
>>> Till then the lock won't be released. Hence I converged into single 
>>> iteration.
>> The problem is that the fairness behaviour is changed when there are
>> already positive txqs, but the first one happens to not be positive.
>> That's why there were two loops.
>Yeah.. Understood. we can ignore the cleanup change.

Great! I'll fold in the rest, test it with ath9k and submit as a proper patch :)


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