netdev - Re: [ofa-general] Re: [PATCH 2/3][NET

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Date:	Wed, 10 Oct 2007 17:53:16 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	David Miller <davem@...emloft.net>, hadi@...erus.ca,
	shemminger@...ux-foundation.org, jeff@...zik.org,
	johnpol@....mipt.ru, gaagaan@...il.com, Robert.Olsson@...a.slu.se,
	netdev@...r.kernel.org, rdreier@...co.com,
	peter.p.waskiewicz.jr@...el.com, mcarlson@...adcom.com,
	jagana@...ibm.com, general@...ts.openfabrics.org,
	mchan@...adcom.com, tgraf@...g.ch, randy.dunlap@...cle.com,
	sri@...ibm.com, kaber@...sh.net
Subject: Re: [ofa-general] Re: [PATCH 2/3][NET_BATCH] net core use batching

On Wed, Oct 10, 2007 at 11:16:44AM +0200, Andi Kleen wrote:
> > A 256 entry TX hw queue fills up trivially on 1GB and 10GB, but if you
> 
> With TSO really? 

Hardware queues are generally per-page rather than per-skb so
it'd fill up quicker than a software queue even with TSO.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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