netdev - Re: [PATCH] NET: Multiqueue network device support.

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Message-ID: <466D4284.1030004@trash.net>
Date:	Mon, 11 Jun 2007 14:39:32 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	hadi@...erus.ca
CC:	"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>,
	davem@...emloft.net, netdev@...r.kernel.org, jeff@...zik.org,
	"Kok, Auke-jan H" <auke-jan.h.kok@...el.com>
Subject: Re: [PATCH] NET: Multiqueue network device support.

jamal wrote:
> On Mon, 2007-11-06 at 13:58 +0200, Patrick McHardy wrote:
> 
> 
>>Thats not true. Assume PSL has lots of packets, PSH is empty. We
>>fill the PHL queue until their is no room left, so the driver
>>has to stop the queue. 
> 
> 
> Sure. Packets stashed on the any DMA ring are considered "gone to the
> wire". That is a very valid assumption to make.


I disagree, its obviously not true and leads to the behaviour I
described. If it were true there would be no reason to use multiple
HW TX queues to begin with.


>>[...]
> 
> i can see your thought process building -
> You are actually following what i am saying;->


I am :)
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