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From: Adrian Chadd <adrian@freebsd.org>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] Bayesian rate control
Date: Fri, 4 Nov 2016 22:09:19 -0700	[thread overview]
Message-ID: <CAJ-Vmo=OM=rx-RM0fg=0dY9Jy_9njsFCnuXEPEngrFDj40-mBg@mail.gmail.com> (raw)
In-Reply-To: <1477461362.4059.17.camel@sipsolutions.net>

Hi,

On 25 October 2016 at 22:56, Johannes Berg <johannes@sipsolutions.net> 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

  reply	other threads:[~2016-11-05  5:09 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-23 13:57 [ath9k-devel] Bayesian rate control Björn Smedman
2016-10-24  5:28 ` Johannes Berg
2016-10-24 20:23   ` Björn Smedman
2016-10-25  7:14     ` Johannes Berg
2016-10-26  3:25       ` Adrian Chadd
2016-10-26  5:56         ` Johannes Berg
2016-11-05  5:09           ` Adrian Chadd [this message]
2016-11-15  9:34             ` Johannes Berg
2016-11-16  4:45               ` Adrian Chadd
2016-10-24 15:09 ` Dave Taht
2016-10-25 19:41 ` Thomas Hühn

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