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From: Michael Smith <msmith@atrad.adelaide.edu.au>
Message-Id: <199608240104.KAA24031@genesis.atrad.adelaide.edu.au>
Subject: Re: cvs commit: src/sys/netinet in.h ip_fw.h ip_input.c ip_output.c
To: julian@whistle.com (Julian Elischer)
Date: Sat, 24 Aug 1996 10:34:55 +0930 (CST)
Cc: terry@lambert.org, pst@jnx.com, sos@FreeBSD.org,
        rgrimes@GndRsh.aac.dev.com, archie@whistle.com, current@FreeBSD.org
In-Reply-To: <321E04A8.4A7B7C1D@whistle.com> from "Julian Elischer" at Aug 23, 96 12:21:12 pm
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Julian Elischer stands accused of saying:
> 
> Terry Lambert wrote:
> > 
> > > By not agressive enough, I mean I think you have the right idea, but the
> > > syntax
> > > for the hook should be something like:
> > >
> > >       for (hook = iphooks.ipinput.lh_first; hook; hook = hook->next) {
> > >               if (!(*hook)(IP_INPUT, &m, &ip))
> > >                       break;
> > >       }
> 
> how can you order them?
> say, I want encrypted NAT.. I need to do the NAT first, because NAT
> peaks inside the packets for hints on ftp transfers etc.

The objects on the list should be structures which contain identifiers for
the TOS provided by the filter; then you supply the insert routine with
a list of TOS' that you want to be before and after.

Usual stuff, as pst suggested.

> julian

-- 
]] Mike Smith, Software Engineer        msmith@atrad.adelaide.edu.au    [[
]] Genesis Software                     genesis@atrad.adelaide.edu.au   [[
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