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

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Message-ID: <1380050078.3165.115.camel@edumazet-glaptop>
Date:	Tue, 24 Sep 2013 12:14:38 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	Ben Hutchings <bhutchings@...arflare.com>,
	David Miller <davem@...hat.com>,
	David Laight <David.Laight@...lab.com>,
	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 11:24 -0700, Tom Herbert wrote:
> >
> There are some drivers are using fixed keys.  This is not good.  I'll
> take a look at those.  It should be sufficient to randomly set the key
> once at initialization.
> 

If the software fallback (we need this for dumb NIC, or encapsulated
traffic) is more expensive than jhash, I do not think we will ever use
this Toeplitz thing.

We can not use jhash or Toeplitz.



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