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Date:      Mon, 28 Dec 2009 20:09:44 +0000
From:      Bruce Simpson <bms@incunabulum.net>
To:        Julian Elischer <julian@elischer.org>
Cc:        Luigi Rizzo <luigi@FreeBSD.org>, src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   Re: svn commit: r201057 - in user/luigi/ipfw3-head/sys/netinet: . ipfw
Message-ID:  <4B391088.1030107@incunabulum.net>
In-Reply-To: <4B37C66D.9040505@elischer.org>
References:  <200912271917.nBRJH3WH064688@svn.freebsd.org> <4B37C66D.9040505@elischer.org>

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On 27/12/2009 20:41, Julian Elischer wrote:
> Luigi Rizzo wrote:
>> Author: luigi
>> Date: Sun Dec 27 19:17:03 2009
>> New Revision: 201057
>> URL: http://svn.freebsd.org/changeset/base/201057
>>
>> Log:
>>   Historically, BSD keeps ip_len and ip_off in host format when doing
>>   layer 3 processing.  This often requires to translate the format
>>   back and forth.
>
> [...]
>
>>     Eventually, I would like these fields to remain in network format
>>   across the lifetime of a packet, but this may take a long time,
>>   so let's see if we can find ways to at least make the switch easier.
>
>
> I think I'd go for this sooner than later. It's always annoyed me.

+1.

It is a bit of a kicker for portability with other BSDs, and I wonder 
how much we actually gain with using host endian in IPv4, as opposed to 
tripping over it all the time.



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