netdev - Re: [PATCH] ifb: add multi-queue support

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Date:	Tue, 17 Nov 2009 13:38:29 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	shemminger@...tta.com, kaber@...sh.net, eric.dumazet@...il.com,
	therbert@...gle.com, netdev@...r.kernel.org
Subject: Re: [PATCH] ifb: add multi-queue support

On Tue, Nov 17, 2009 at 11:10 AM, David Miller <davem@...emloft.net> wrote:
> From: Stephen Hemminger <shemminger@...tta.com>
> Date: Mon, 16 Nov 2009 08:39:05 -0800
>
>> My $.02 is that receive packet steering RPS should be done generically at
>> receive layer. Then all the CPU, mapping and configuration issues can be
>> done once, not just for IFB, Bridge, VLAN, ... The number of users of IFB
>> is small, and setup is complex. Steering packets in IFB is optimizing only
>> a rarely used corner.
>>
>> Layered link services like IFB need to be multi-threaded lockless to maintain
>> the advantages of multi-queue and RPS.
>
> You're probably right.
>

So I have to wait RPS, and after it gets merged, I'll back with
multi-threaded lockless IFB.


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