From owner-cvs-src@FreeBSD.ORG Wed Aug 13 16:57:24 2008 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 83CF6106566B for ; Wed, 13 Aug 2008 16:57:24 +0000 (UTC) (envelope-from max@love2party.net) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.177]) by mx1.freebsd.org (Postfix) with ESMTP id 22A8F8FC15 for ; Wed, 13 Aug 2008 16:57:24 +0000 (UTC) (envelope-from max@love2party.net) Received: from vampire.homelinux.org (dslb-088-066-052-145.pools.arcor-ip.net [88.66.52.145]) by mrelayeu.kundenserver.de (node=mrelayeu7) with ESMTP (Nemesis) id 0ML2xA-1KTJYl2unL-0003In; Wed, 13 Aug 2008 18:51:50 +0200 Received: (qmail 18821 invoked from network); 13 Aug 2008 16:50:55 -0000 Received: from fbsd8.laiers.local (192.168.4.151) by router.laiers.local with SMTP; 13 Aug 2008 16:50:55 -0000 From: Max Laier Organization: FreeBSD To: Ed Schouten Date: Wed, 13 Aug 2008 18:50:54 +0200 User-Agent: KMail/1.10.0 (FreeBSD/8.0-CURRENT; KDE/4.1.0; i386; ; ) References: <200808131545.m7DFjlLP058986@repoman.freebsd.org> In-Reply-To: <200808131545.m7DFjlLP058986@repoman.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808131850.54734.max@love2party.net> X-Provags-ID: V01U2FsdGVkX19Uovc+LzMKCJrjTUNjv7VUHgxVBrYcrBZyso6 f176Oc6fsHdfuF6kKyMMyKfEJZ2b2/d0SWt7WFGeBX2gEDCHr8 uBBvxV3k9O8p9eHT3dtNg== Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org Subject: Re: cvs commit: src/lib/libpcap config.h src/sys/net bpf.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Aug 2008 16:57:24 -0000 On Wednesday 13 August 2008 17:41:21 Ed Schouten wrote: > ed 2008-08-13 15:41:21 UTC > > FreeBSD src repository > > Modified files: > lib/libpcap config.h > sys/net bpf.c > Log: > SVN rev 181690 on 2008-08-13 15:41:21Z by ed > > Change bpf(4) to use the cdevpriv API. > > Right now the bpf(4) driver uses the cloning API to generate /dev/bpf%u. > When an application such as tcpdump needs a BPF, it opens /dev/bpf0, > /dev/bpf1, etc. until it opens the first available device node. We used > this approach, because our devfs implementation didn't allow > per-descriptor data. > > Now that we can, make it use devfs_get_cdevpriv() to obtain the private > data. To remain compatible with the existing implementation, add a > symlink from /dev/bpf0 to /dev/bpf. I've already changed libpcap to > compile with HAVE_CLONING_BPF, which makes it use /dev/bpf. There may be > other applications in the base system (dhclient) that use the loop to > obtain a valid bpf. Can you bump __FreeBSD_version for this? And maybe submit configure patches upstream and/or make sure that libpcap from ports dtrt. > Discussed on: src-committers > Approved by: csjp > > Revision Changes Path > 1.7 +1 -1 src/lib/libpcap/config.h > 1.200 +62 -80 src/sys/net/bpf.c -- /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News