Date: Sat, 1 Nov 2003 20:33:36 +0200
From: Matti Aarnio <matti.aarnio@zmailer.org>
To: Alexander Chacon <chacona@mechanus.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Modular ipv4 inquiries...
Message-ID: <20031101183336.GD26480@mea-ext.zmailer.org>
References: <1067711134.659a9dpacz4s@webmail.mechanus.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1067711134.659a9dpacz4s@webmail.mechanus.org>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1149
Lines: 30

On Sat, Nov 01, 2003 at 12:25:34PM -0600, Alexander Chacon wrote:
> Hello!
> 
> I would like to know a few things about making the ipv4 code modular. I've been
> working on a school assignment that requires implementing tunneling, but first
> ipv4 must be modularized... it needs to be done using kernel 2.4.20
> 
> .... What should I consider for a start, and how hard can it be
> in the end?

When I did it way back when once, it took me 1 or 2 days to do
basic modularization, where the IPv4 is installable once, and
will stay in forever (like IPv6 is now).  To make it uninstallable
took me another week.

> I've experienced a lot of undefined symbol references which are linked
> to core kernel files!, isn't there a way to access these symbols from 
> the module into the kernel while executing?

Yes.  You need to export them from basic core.

> Thanks in advance
> Alexander Chacon

/Matti Aarnio
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/