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Date:      Fri, 2 Aug 2013 10:30:51 -0700
From:      Adrian Chadd <adrian@freebsd.org>
To:        Chenchong Qin <qinchenchong@gmail.com>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: Chenchong's work on net80211_ratectl
Message-ID:  <CAJ-VmokF6hPtg9FoEdeJXLLaZRNhzd=nr_o6nHE%2BjYiQKTg3zQ@mail.gmail.com>
In-Reply-To: <CAFnsE3d9nG-X2b=z1srKfTtpxC3w5L%2B6Hg3TbOnAQrJN%2Bt19GA@mail.gmail.com>
References:  <CAFnsE3dYdPf5yGTFH683Q1Zh0mc-g%2B_YtCTraNNt28z2vBoSKw@mail.gmail.com> <CAJ-Vmom4sY7jcNwWmJkrDwfWjsok2fk8UEwTi5A=egj1JyerLw@mail.gmail.com> <CAFnsE3cyg=msBfQqqKUMmLABSL=j24VoMBwbBjxQ6b7Dyy7Mqg@mail.gmail.com> <CAJ-Vmo=k8NddAYyAJCkx4eOaA_8XsSxg6uKrdddx%2BgmeT%2BX9KA@mail.gmail.com> <CAFnsE3eaOyRcO3LXSi3L=jbzpyMv5Nt_jRGKt_mmA0WV-EV5vA@mail.gmail.com> <CAJ-VmokdxLhK5x6kO=jJzk-dv61EDK-ZgmndOimoyWWf76HiZA@mail.gmail.com> <CAJ-VmonMjR5iVTMVN9532d%2BPqOXWNUoZvxPtQir5h=yGxU-XdQ@mail.gmail.com> <CAFnsE3d9nG-X2b=z1srKfTtpxC3w5L%2B6Hg3TbOnAQrJN%2Bt19GA@mail.gmail.com>

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Well just remember you can always ask me/us questions!

What's your latest diff against -HEAD? Maybe I can start looking at
including parts of it in the tree.




-adrian

On 2 August 2013 09:17, Chenchong Qin <qinchenchong@gmail.com> wrote:
> Hi!
>
> These days, I'm taking a further look at what Linux done for the
> _completion_ of a
> frame. Some updates will be posted here later.
>
> And, with ir_rates, we can return/fill an rc array rather than just
> returning the rix.
>
> Thanks!
>
> Chenchong
>
>
>
>
>
> On Thu, Aug 1, 2013 at 12:21 AM, Adrian Chadd <adrian@freebsd.org> wrote:
>>
>> Boo!
>>
>> Do you have another update?
>>
>>
>>
>> -adrian
>>
>> On 24 July 2013 06:44, Adrian Chadd <adrian@freebsd.org> wrote:
>> > On 24 July 2013 06:38, Chenchong Qin <qinchenchong@gmail.com> wrote:
>> >>
>> >> My pleasure!
>> >>
>> >> It's also against HEAD.
>> >>
>> >> Thanks!
>> >
>> > Ok. This is looking great!
>> >
>> > Next - we need to update the rate control API to now populate an rc
>> > array rather than just returning the rix.
>> >
>> > This is the tricky part - as we're going to have to modify all the
>> > drivers that use the rate control API to use this.
>> > Which is fine, as there's only a handful. It's just annoying.
>> >
>> > Then we have to provide the rate control information during frame
>> > _completion_, so the rate control code knows which transmission rates
>> > succeeded or failed. I'm still not sure what to do about it here.
>> > Maybe do something like Linux and attach TX rate control and
>> > completion information as an mbuf tag?
>> >
>> > _Then_ we can start doing interesting thing with it. :)
>> >
>> >
>> >
>> > -adrian
>
>



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