netdev - Re: [RFC] New driver API to speed up small packets xmits

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Message-ID: <46438B1D.1050802@gmail.com>
Date:	Thu, 10 May 2007 14:14:05 -0700
From:	Gagan Arneja <gaagaan@...il.com>
To:	David Miller <davem@...emloft.net>
CC:	rick.jones2@...com, vladislav.yasevich@...com,
	ian.mcdonald@...di.co.nz, krkumar2@...ibm.com, johnpol@....mipt.ru,
	netdev@...r.kernel.org
Subject: Re: [RFC] New driver API to speed up small packets xmits

David Miller wrote:
> From: Rick Jones <rick.jones2@...com>
> Date: Thu, 10 May 2007 13:49:44 -0700
> 
>> I'd think one would only do this in those situations/places where a
>> natural "out of driver" queue develops in the first place wouldn't
>> one?
> 
> Indeed.

And one builds in qdisc because your device sink is slow. There's 
nothing inherently there in the kernel encouraging Qdisc->q to grow. 
It's precisely these broken devices that can take advantage of cluster 
transmits.

--
Gagan
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