netdev - RE: [PATCH] netfilter: xt

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Message-ID: <C8A6796DE7C66C4ABCBC18106CB6C1CC164B83BE11@ESESSCMS0356.eemea.ericsson.se>
Date:	Tue, 15 May 2012 07:57:22 +0200
From:	Hans Schillström <hans.schillstrom@...csson.com>
To:	Eric Dumazet <eric.dumazet@...il.com>,
	Pablo Neira Ayuso <pablo@...filter.org>
CC:	Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>,
	Jan Engelhardt <jengelh@...i.de>,
	"kaber@...sh.net" <kaber@...sh.net>,
	"jengelh@...ozas.de" <jengelh@...ozas.de>,
	"netfilter-devel@...r.kernel.org" <netfilter-devel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"dan.carpenter@...cle.com" <dan.carpenter@...cle.com>,
	"hans@...illstrom.com" <hans@...illstrom.com>
Subject: RE: [PATCH] netfilter: xt_HMARK: endian bugs


>On Mon, 2012-05-14 at 21:02 +0200, Pablo Neira Ayuso wrote:
>
>> IIRC, Hans wants that, in case you have a cluster composed of system
>> with different endianess, the hash mark calculated will be the same
>> in both systems. To ensure that the distribution is consistent with
>> independency of the endianess.
>
>Then jhash() must be audited to make sure its output is OK with this
>requirement.

Have done that, and made tests on a mips 32 running debian
It was as expected jhash3_words is endian safe, while jhash() is not





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