netdev - Re: [PATCH v7] rps: Receive Packet Steering

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Message-ID: <412e6f7f1003170059r1f0fa4cfrbe8b3f22102ee9d9@mail.gmail.com>
Date:	Wed, 17 Mar 2010 15:59:05 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>, therbert@...gle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH v7] rps: Receive Packet Steering

On Wed, Mar 17, 2010 at 3:07 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
> Le mercredi 17 mars 2010 à 09:54 +0800, Changli Gao a écrit :
>> On Wed, Mar 17, 2010 at 5:13 AM, David Miller <davem@...emloft.net> wrote:
>> >
>> > I'll integrate this as soon as I open up net-next-2.6
>>
>> It is really a good news. Now linux also can dispatch packets as
>> FreeBSD does via netisr. Can we walk farer, and support weighted
>> distribution?
>>
>
> May I ask why ? What would be the goal ?
>

For example, I have a firewall with dual core CPU, and use core 0 for
IRQ and dispatching. If I use both core 0 and core 1 for the left
processing, core 0 will be overloaded, and if I use core 1 for the
left processing, core 0 will be light load. In order to take full of
advantage of hardware, I need weighted the packet distribution.



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