From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: Re: [PATCH 4/7] xt_mark match rev 1 Date: Mon, 17 Dec 2007 14:08:02 +0100 Message-ID: <476674B2.8050808@netfilter.org> References: <475E65AC.9080901@trash.net> <4763F8FE.5040607@netfilter.org> <47640412.5050207@netfilter.org> <47666FF4.6040102@trash.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: Jan Engelhardt , Netfilter Developer Mailing List To: Patrick McHardy Return-path: Received: from mail.us.es ([193.147.175.20]:47468 "EHLO us.es" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753072AbXLQNno (ORCPT ); Mon, 17 Dec 2007 08:43:44 -0500 In-Reply-To: <47666FF4.6040102@trash.net> Sender: netfilter-devel-owner@vger.kernel.org List-ID: Patrick McHardy wrote: > Pablo Neira Ayuso wrote: >> Jan Engelhardt wrote: >>> What will netlink bring us, with respect to the two states: >>> - old iptables, new kernel >>> - new iptables, old kernel >>> so matching some UUIDs (and .revision is one, more or less) seems >>> like the way >>> to go. >> >> Netlink doesn't stick us to fixed structure layouts as it happens to the >> current interface since we represent the messages kernel <-> userspace >> in TLV (type-length-value) format. Thus, userspace and kernel won't >> share structures and new features just require a new type. For that >> reason, the netlink interface won't require such revision infrastructure. >> >> Not that I'm against your patches, I'm just stating the right direction >> to go for those 5-10 years that you have mentioned. And of course, we >> don't have a single line of such interface at the moment :) > > > Actually we do, I've been working on it, but had to interrupt > for some other stuff. I hope to get back to it over christmas > and beginning of next year. The goal is to add a compat layer > for old iptables userspace, but I don't really care about how > ugly it gets since we hopefully never have to look at it again > until its removal :) Cool, consider putting it somewhere, I'm willing to contribute to it ;). BTW, if nobody complains I'll release iptables 1.4.0 final between today and tomorrow. -- "Los honestos son inadaptados sociales" -- Les Luthiers