netdev - Re: [PATCH RFC] ipv6: use stronger hash for reassembly queue hash table

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Message-ID: <1362759310.15793.244.camel@edumazet-glaptop>
Date:	Fri, 08 Mar 2013 08:15:10 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	netdev@...r.kernel.org, yoshfuji@...ux-ipv6.org
Subject: Re: [PATCH RFC] ipv6: use stronger hash for reassembly queue hash
 table

On Fri, 2013-03-08 at 16:54 +0100, Hannes Frederic Sowa wrote:

> Btw. did s.o. have a look at skb->rxhash? I just started looking after
> its many users but perhaps someone did this job already.

You mean for IPv6 ?

Most of us use the rxhash provided by the NIC, our software fallback is
a best effort as well for RPS or some qdisc.

If some hacker specifically cook packets hashing to same rxhash, thats
fine.




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