From owner-freebsd-net@FreeBSD.ORG Mon Aug 1 18:14:54 2005 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 10FF516A45C; Mon, 1 Aug 2005 18:14:54 +0000 (GMT) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [204.156.12.53]) by mx1.FreeBSD.org (Postfix) with ESMTP id A57E043D46; Mon, 1 Aug 2005 18:14:53 +0000 (GMT) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by cyrus.watson.org (Postfix) with ESMTP id 3684046B20; Mon, 1 Aug 2005 14:14:53 -0400 (EDT) Date: Mon, 1 Aug 2005 19:16:58 +0100 (BST) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Ed Maste In-Reply-To: <20050723013902.L40216@fledge.watson.org> Message-ID: <20050801190211.Q61500@fledge.watson.org> References: <42CEF0EB.4000107@borderware.com> <42D006DB.8080108@errno.com> <20050712150224.GA38249@sandvine.com> <20050712162332.Q79478@fledge.watson.org> <20050712220452.GB38249@sandvine.com> <20050723012046.K40216@fledge.watson.org> <20050723013902.L40216@fledge.watson.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-net@freebsd.org, gnn@FreeBSD.org Subject: Re: what to replace splnet in FreeBSD 5.x? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Aug 2005 18:14:54 -0000 On Sat, 23 Jul 2005, Robert Watson wrote: > On Sat, 23 Jul 2005, Robert Watson wrote: > >> The attached patch introduces locking around the link layer and IPv4 >> multicast address lists, as well as updates drivers to use the locking. >> It's a fairly large diff, but other than the changes to if.c, in.c, and >> igmp.c, is fairly mechanical. It may well correct the problem you've >> been seeing. If possible, and given sufficient review, I'd like to get >> this change into 6.0, especially given that it affects the layout of >> struct ifnet which is part of the ABI for network interface device >> drivers. > > Updated version of the patch at: > > http://www.watson.org/~robert/freebsd/netperf/20050523-multicast.diff > > Spl-related cleanups (no longer useful documentation of old > synchronization in many places), lock order hard-coded into WITNESS > order rather than dynamically detected. Ed, Have you had a chance to run with this patch as yet? If possible, I'd like to get it merged to 7.x-CURRENT so we can backport it for 6.0. Robert N M Watson