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Date:      Wed, 30 Apr 2003 16:02:23 +0700
From:      Max Khon <fjoe@iclub.nsu.ru>
To:        Luigi Rizzo <rizzo@icir.org>
Cc:        freebsd-net@freebsd.org
Subject:   Re: IPDIVERT
Message-ID:  <20030430160222.A41678@iclub.nsu.ru>
In-Reply-To: <20030430004245.B95389@xorpc.icir.org>; from rizzo@icir.org on Wed, Apr 30, 2003 at 12:42:45AM -0700
References:  <20030430023640.A22257@iclub.nsu.ru> <20030429200529.GA71528@sunbay.com> <20030430143114.A38982@iclub.nsu.ru> <20030430004245.B95389@xorpc.icir.org>

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hi, there!

On Wed, Apr 30, 2003 at 12:42:45AM -0700, Luigi Rizzo wrote:

> > > > I have a suggestion to build GENERIC and ipfw.ko with IPDIVERT by default
> > > > or change IPDIVERT to NOIPDIVERT and build boot kernels with NOIPDIVERT.
> > > > The main goal is to allow to use NAT with stock kernels and ipfw.ko.
> ...
> > AFAIK there is no possibility to add IPPROTO_DIVERT dynamically to
> > inetsw[]. Some fields of 'struct ipq' are under #ifdef IPDIVERT as well.
> > ipfw code under #ifdef IPDIVERT are just `case' labels and strings in printf's
> > (like "ipdivert enabled"). In other words is it really
> > worth splitting ipdivert into separate .ko module? Changing IPDIVERT to
> > NOIPDIVERT will be cleaner in my opinion.
> 
> indeed, i believe we should make the main part of IPDIVERT processing
> (in ip_input.c, ip_output.c, ip_fw2.c and ip_var.h) non-optional
> (this would also allow a better realignment of fields in struct ipq) 
> and only make the code in ip_divert.c a module

ok, how can I add IPPROTO_DIVERT dynamically?
Is it ok to have dummy usrreqs there and to overwrite IPPROTO_DIVERT
array element upon module load/unload?

/fjoe



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