netdev - Re: arp

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Message-Id: <20150322.185714.1793567801322787489.davem@davemloft.net>
Date:	Sun, 22 Mar 2015 18:57:14 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	netdev@...r.kernel.org, roland@...estorage.com
Subject: Re: arp_hash

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Mon, 23 Mar 2015 08:34:08 +1100

> So what scales we are talking about, twice, three times? Have you
> considered more modern hashes such as SipHash or SpookyHash
> (successor to jhash/lookup3 and supposedly faster)?

I want it to be one cycle or two.

Every single transmitted packet hits this hash demux.
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