Date: Wed, 27 Feb 2008 09:02:55 -0300 From: Marcelo Araujo <araujobsdport@gmail.com> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: freebsd-bugs@FreeBSD.org, stas@mbsd.msk.ru, Luigi Rizzo <rizzo@icir.org>, Roman Bogorodskiy <novel@FreeBSD.org>, "Bruce M. Simpson" <bms@FreeBSD.org>, freebsd-ipfw@FreeBSD.org, Julian Elischer <julian@elischer.org>, Ion-Mihai Tetcu <itetcu@FreeBSD.org>, Oleg Bulyzhin <oleg@FreeBSD.org>, Vadim Goncharov <vadimnuclight@tpu.ru> Subject: Re: kern/121122: [ipfw] [patch] add support to ToS IP PRECEDENCE fields Message-ID: <47C5516F.9080200@FreeBSD.org> In-Reply-To: <47C4F2D1.5080703@yandex.ru> References: <200802261908.m1QJ8n5N023371@freefall.freebsd.org> <47C4F2D1.5080703@yandex.ru>
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Andrey V. Elsukov wrote:
> Hi, Marcelo.
>
> I talked to Roman when he submitted his first patch about
> it's design. What you think about making TOK_SETIPTOSPRE not
> an action, but a modifier? I think it will be much usable.
> A syntax example:
>
> # ipfw add allow iptospre flashover ip from any to any
> # ipfw add count iptospre immediate ip from anyt to any
> # ipfw add skipto ....
>
> Also I talked to Roman about extensible variant of this ability.
> A syntax example:
>
> <action> [{modip [DF|TOS|DSCP|TTL]}] <rule body>
>
> Also look into:
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/102471
> http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/103454
>
> I added to CC several men who are active in ipfw area.
> It will be interested what you think about this?
>
Hi dear Andrey,
I think about the TOK_SETIPTOSPRE as a modifier, that set the IP
PRECEDENCE in the package.
The second rule:
# ipfw add count iptospre immediate ip from any to any
Makes more sense for me, many users have ability to work with this syntax.
I believe be a good idea an extensible variant to apply and sort some
QoS models in layer IP, as you showed.
I've some time(5 months) to make my project degree[1] and apply my
research within of IPFW.
Yes, I've interest to work around this function, this work help me for
my degree project.
I think also this work is a good opportunity to work in SoC 2008.
[1] http://code.google.com/p/exports/w/list
Best Regards,
--
Marcelo Araujo (__)
araujo@FreeBSD.org \\\'',)
http://www.FreeBSD.org \/ \ ^
Power To Server. .\. /_)
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