netdev - Re: [PATCH 1/2] net: Toeplitz library functions

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Message-ID: <1380041185.3165.97.camel@edumazet-glaptop>
Date:	Tue, 24 Sep 2013 09:46:25 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
Subject: Re: [PATCH 1/2] net: Toeplitz library functions

On Tue, 2013-09-24 at 09:35 -0700, Tom Herbert wrote:

> We should really be using rxhash for that anyway, eliminate this
> ehashfn.  This would entail adding rxhash argument in the various
> udp_lookup functions.

Nope : Some NICs provide UDP rxhash only using L3  (source IP,
destination IP), not L4 (adding source & destination ports)

This is again a case where we want our own hashing.



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