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Date:      Sat, 3 Aug 2013 00:17:02 +0800
From:      Chenchong Qin <qinchenchong@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: Chenchong's work on net80211_ratectl
Message-ID:  <CAFnsE3d9nG-X2b=z1srKfTtpxC3w5L%2B6Hg3TbOnAQrJN%2Bt19GA@mail.gmail.com>
In-Reply-To: <CAJ-VmonMjR5iVTMVN9532d%2BPqOXWNUoZvxPtQir5h=yGxU-XdQ@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>

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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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