netdev - Re: [PATCH v5] rfs: Receive Flow Steering

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Date:	Tue, 20 Apr 2010 07:59:24 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	David Miller <davem@...emloft.net>, therbert@...gle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH v5] rfs: Receive Flow Steering

Le mardi 20 avril 2010 à 07:38 +0800, Changli Gao a écrit :

> Does this problem has relationship with your patch? No. If the rxhash
> isn't provided by hardware, we can get more throughput from you patch,
> and on the other side, we don't lose anything but potential more hash
> collision.
> 

I am not sure what you call hash collision. There is no hash chain here.

This 32bit hash is a jhash one, and we only need 1 to 12 bits in it, I
am pretty sure its OK.



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