netdev - Re: [PATCH] iproute2: add option to build m

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Message-ID: <20100412181359.GA4612@amd64.fatal.se>
Date:	Mon, 12 Apr 2010 20:13:59 +0200
From:	Andreas Henriksson <andreas@...al.se>
To:	Stephen Hemminger <shemminger@...tta.com>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] iproute2: add option to build m_xt as a tc module.

On Mon, Apr 12, 2010 at 08:33:17AM -0700, Stephen Hemminger wrote:
> On Mon, 12 Apr 2010 13:55:38 +0200
> Andreas Henriksson <andreas@...al.se> wrote:
> 
> > Add TC_CONFIG_XT_MODULE option that can be added
> > either to Config (after ./configure) or as an argument to "make".
> 
> I like the idea and will incorporate it, but do not like having more
> build options. Adding more configuration options like this is just
> lazy design "we can't figure this out, let's make the user do it".
> 
> So put the patch in but there it will always be true.

Sure..... unfortunately I found problems for the patch to work.
(dlopen needs full path and module name needs to match action name)
Will send new patch as a followup to this mail.

Note: I'm not a user of any of this functionality. (including "make install"!)
I've tried testing "action ipt" with m_xt.so now, but m_xt_old.so is
completely untested!

I used the following command when testing m_xt.so:
tc qdisc add dev lo ingress
tc filter add dev lo parent ffff: protocol ip prio 1 u32  match ip src 127.1.1.1/32 action ipt -j FOOBAR

...which gave me the error "failed to find target FOOBAR",
and this is to me an indication of success since I don't have that target.

-- 
Andreas Henriksson
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