netdev - Re: [PATCH net-next-2.6] rps: consistent rxhash

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Message-ID: <v2s412e6f7f1004201635m5258e777oac49fea8f9625bcf@mail.gmail.com>
Date:	Wed, 21 Apr 2010 07:35:48 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	eric.dumazet@...il.com, franco@...tsummer.de, therbert@...gle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] rps: consistent rxhash

On Wed, Apr 21, 2010 at 5:41 AM, David Miller <davem@...emloft.net> wrote:
> Eric, do you remember that "TCP friends" rough patch I sent you last
> year that essentailly made TCP sockets over loopback behave like
> AF_UNIX ones and just queue the SKBs directly to the destination
> socket without doing any protocol work?

I think it will break some benchmark tools. The loopback device is for
testing networking protocol stacks, so we shouldn't bypass the
protocol processing. And anyone who has a performance problem of
loopback device should turn to UNIX domain socket.

For routers, how about letting users choose whether RPS mixes layer 4 info in?

-- 
Regards，
Changli Gao(xiaosuo@...il.com)
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