netdev - Re: [PATCH RFC] net: save RX queue number in sock for dev_pick

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Message-ID: <1282668329.2302.8.camel@achroite.uk.solarflarecom.com>
Date:	Tue, 24 Aug 2010 17:45:29 +0100
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Alexey Kuznetsov <kuznet@....inr.ac.ru>,
	"Pekka Savola (ipv6)" <pekkas@...core.fi>,
	James Morris <jmorris@...ei.org>,
	Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
	Patrick McHardy <kaber@...sh.net>, netdev@...r.kernel.org
Subject: Re: [PATCH RFC] net: save RX queue number in sock for
 dev_pick_tx() use

On Tue, 2010-08-24 at 17:01 +0800, Changli Gao wrote:
> For the packets sent out from a local server socket, we can use the queue
> from which the packets from the client socket are received.
> 
> It may help on a TCP or UDP server. Because I don't have a multiqueue NIC,
> I don't even test it.
[...]

There are some fairly cheap 1G multiqueue NICs around now (and even
several of the ARM embedded Ethernet controllers support multiqueue).

Could you compare this with my patch in
<http://thread.gmane.org/gmane.linux.network/158477>?

Ben.

-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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