[ath9k-devel] Bayesian rate control

Adrian Chadd <[email protected]> Fri, 4 Nov 2016 22:09:19 -0700
Newsgroups org.ath9k.lists.ath9k-devel,org.kernel.vger.linux-wireless
Message-ID <CAJ-Vmo=OM=rx-RM0fg=0dY9Jy_9njsFCnuXEPEngrFDj40-mBg@mail.gmail.com>
Hi,

On 25 October 2016 at 22:56, Johannes Berg <[email protected]> wrote:
>
>> The intel 7260 and later parts also allow user controllable rate
>> control and provide transmit completion feedback, but I don't know
>> whether it's enough for your needs.
>
> Perhaps. However, existing rate control is *very* tightly coupled to
> the driver, and it'd be fairly pointless to disentangle just for the
> sake of playing with a rate control algorithm.
>
> Also, the device doesn't support per-frame control nor any kind of
> sampling-with-table-fallback, only the rate table that you give to the
> device and update.

Hi,

But there is a per-descriptor TX rate table entry in the driver.
FreeBSD uses it to implement its rate control for the intel drivers.

What am I missing? :)

>
> Btw, mac80211_hwsim with wmediumd doing some medium simulation might
> also be something to look at for just extending to VHT.
>
> And come to think of it, there's this new driver Felix et al have been
> working on, mt7601u, which also should support proper rate control
> APIs.



-adrian