From owner-svn-src-all@FreeBSD.ORG Thu Apr 9 13:26:00 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 35BDB10656C2; Thu, 9 Apr 2009 13:26:00 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id C87208FC25; Thu, 9 Apr 2009 13:25:59 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [65.122.17.41]) by cyrus.watson.org (Postfix) with ESMTPS id 56E6946B09; Thu, 9 Apr 2009 09:25:59 -0400 (EDT) Date: Thu, 9 Apr 2009 14:25:59 +0100 (BST) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Luigi Rizzo In-Reply-To: <200904091246.n39Ck05i004627@svn.freebsd.org> Message-ID: References: <200904091246.n39Ck05i004627@svn.freebsd.org> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r190865 - in head: sbin/ipfw sys/netinet X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Apr 2009 13:26:01 -0000 On Thu, 9 Apr 2009, Luigi Rizzo wrote: > Note- this commit changes the userland/kernel ABI for pipes > (but not for ordinary firewall rules) so you need to rebuild > kernel and /sbin/ipfw to use dummynet features. > > Please check the manpage for details on the new feature. > > The MFC would be trivial but it breaks the ABI, so it will > be postponed until after 7.2 is released. Under our more strict but relatively undocumented -STABLE ABI rules, this sort of change is no longer permitted. Is there really no way to do this without breaking the ABI for the purposes of making it more gently MFCable? Robert N M Watson Computer Laboratory University of Cambridge