linux-kernel - Re: SCTP checksum patch for 2.6.26.5

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Message-Id: <1222148718.16003.1.camel@brick>
Date:	Mon, 22 Sep 2008 22:45:18 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	Willy Tarreau <w@....eu>
Cc:	David Miller <davem@...emloft.net>, nickolay@...tei.ru,
	linux-kernel@...r.kernel.org, linux-sctp@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: SCTP checksum patch for 2.6.26.5

On Tue, 2008-09-23 at 07:19 +0200, Willy Tarreau wrote:
> On Mon, Sep 22, 2008 at 01:12:45PM -0700, David Miller wrote:
> > From: Nickolay Vinogradov <nickolay@...tei.ru>
> > Date: Mon, 22 Sep 2008 19:58:26 +0400
> > 
> > CC:'ing correct mailing lists...
> > 
> Nickolay,
> 
> you should use swab32(~crc32) instead. It will make use of arch-specific
> optimisations when available (eg: bswap on x86).
> 
> Willy

Or look at:
commit 336d3262df71fcd2661180bb35d5ea41b4cbca58
Author: Harvey Harrison <harvey.harrison@...il.com>
Date:   Fri Jul 18 23:07:09 2008 -0700

    sctp: remove unnecessary byteshifting, calculate directly in big-endian

In Linus' tree.

Cheers,

Harvey

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