Subject: Re: iwlwifi aggregation info
From: Johannes Berg <johannes@sipsolutions.net>
To: Tomas Winkler <tomasw@gmail.com>
Cc: Friedrich.Beckmann@infineon.com, linux-wireless@vger.kernel.org,
	j@w1.fi
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Date: Wed, 30 Jul 2008 15:50:54 +0200
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On Wed, 2008-07-30 at 16:45 +0300, Tomas Winkler wrote:
> > Do you not agree that giving an aggregation flow
> > a separate qdisc is unfair within that AC?
>=20
> I'm think your miss understanding is that HW FIFO !=3D HW QUEUE.
> HW FIFO takes gives fairness in level of AC.. HW QUEUE just piles up
> packets for HW scheduler.

I know, but I cannot make out how the hw queue is pulled into the hw
fifo fairly. I'm not talking about fair media access, I'm talking about
fair number of frames in congestion.

> qdisc should be just provide simple buffering

Well qdiscs don't just do that, depending on the configuration, so we
shouldn't rely on them doing just that.

johannes

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