From: Patrick McHardy <kaber@trash.net>
To: Fabian Hugelshofer <hugelshofer2006@gmx.ch>
Cc: netfilter-devel@vger.kernel.org, Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: Conntrack Events Performance - Multipart Messages?
Date: Wed, 23 Jul 2008 19:40:51 +0200 [thread overview]
Message-ID: <48876D23.2080200@trash.net> (raw)
In-Reply-To: <48876C96.2070405@gmx.ch>
Fabian Hugelshofer wrote:
> Patrick McHardy wrote:
>> Fabian Hugelshofer wrote:
>>> Why do you think the padding causes problems? For hashing e.g.
>>> src/dst .u3 and .u are referenced independently of potential padding.
>>> Where does access to the padding data occur?
>>
>> The hash function hashes the entire tuple in one go.
>> The padding needs to have deterministic content for
>> that.
>
> Ok, I see. This has been changed since 2.6.24. Makes sense...
Indeed. That part might also help speed things up for you a bit.
But that would also need this fix:
commit 443a70d50bdc212e1292778e264ce3d0a85b896f
Author: Philip Craig <philipc@snapgear.com>
Date: Tue Apr 29 03:35:10 2008 -0700
netfilter: nf_conntrack: padding breaks conntrack hash on ARM
next prev parent reply other threads:[~2008-07-23 17:40 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-16 16:42 Conntrack Events Performance - Multipart Messages? Fabian Hugelshofer
2008-07-17 9:16 ` Patrick McHardy
2008-07-17 10:03 ` Pablo Neira Ayuso
2008-07-17 14:34 ` Fabian Hugelshofer
2008-07-17 15:15 ` Fabian Hugelshofer
2008-07-18 15:56 ` Fabian Hugelshofer
2008-07-18 2:11 ` Patrick McHardy
2008-07-21 15:51 ` Fabian Hugelshofer
2008-07-21 15:59 ` Patrick McHardy
2008-07-21 17:49 ` Fabian Hugelshofer
2008-07-23 14:32 ` Fabian Hugelshofer
2008-07-23 14:38 ` Patrick McHardy
2008-07-23 16:12 ` Fabian Hugelshofer
2008-07-23 17:01 ` Patrick McHardy
2008-07-23 17:07 ` Patrick McHardy
2008-07-23 17:30 ` Fabian Hugelshofer
2008-07-23 17:32 ` Patrick McHardy
2008-07-23 17:38 ` Fabian Hugelshofer
2008-07-23 17:40 ` Patrick McHardy [this message]
2008-07-23 17:15 ` Fabian Hugelshofer
2008-07-23 17:20 ` Patrick McHardy
2008-07-24 13:21 ` Fabian Hugelshofer
2008-07-25 8:51 ` Fabian Hugelshofer
2008-07-25 9:32 ` Pablo Neira Ayuso
2008-07-25 11:15 ` Pablo Neira Ayuso
2008-07-27 17:23 ` Fabian Hugelshofer
2008-07-28 18:31 ` Pablo Neira Ayuso
2008-07-28 23:12 ` Fabian Hugelshofer
2008-07-29 17:11 ` Pablo Neira Ayuso
2008-07-25 8:44 ` Fabian Hugelshofer
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