From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M3nHG-0000Ja-KW for qemu-devel@nongnu.org; Tue, 12 May 2009 04:23:54 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M3nHC-0000J7-7m for qemu-devel@nongnu.org; Tue, 12 May 2009 04:23:54 -0400 Received: from [199.232.76.173] (port=42491 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M3nHC-0000J4-1R for qemu-devel@nongnu.org; Tue, 12 May 2009 04:23:50 -0400 Received: from mx20.gnu.org ([199.232.41.8]:50294) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1M3nHB-000785-Kn for qemu-devel@nongnu.org; Tue, 12 May 2009 04:23:49 -0400 Received: from gecko.sbs.de ([194.138.37.40]) by mx20.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1M3nHA-0007qk-OT for qemu-devel@nongnu.org; Tue, 12 May 2009 04:23:49 -0400 Message-ID: <4A09320F.1000705@siemens.com> Date: Tue, 12 May 2009 10:23:43 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <49C0BFCD.1040304@siemens.com> <49C6F2AA.40408@codemonkey.ws><49C91829.6000606@siemens.com> <49CE5DD1.1010302@codemonkey.ws> <7A9475ADF255438F86B48879B553733E@FSCPC> In-Reply-To: <7A9475ADF255438F86B48879B553733E@FSCPC> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH] Add pcap-based host network bridge List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Sebastian Herbszt Cc: qemu-devel@nongnu.org Sebastian Herbszt wrote: > Anthony Liguori wrote: >> Jan Kiszka wrote: >>> Well, in case we do not find a workaround for host<->guest >>> communication, would the patch remain unacceptable even with proper, >>> prominent documentation of this shortcoming? >>> >> >> What's the use-case you're trying to address? Who do you expect to >> use this functionality? >> >> Setting up bridging isn't really that bad on Linux. Is this primarily >> targeted at Windows? libpcap requires a kernel driver on Windows so I >> don't know that I believe it's a great general solution for Windows >> either. > > I would really like to see pcap support in mainline (even as a windows only > feature). Qemu networking with pcap is trivial on windows. No need to > configure tap bridges, but just specify "ifname" and there you go. We basically dropped the idea as it turned out that - at least under Linux - there is no host<->guest link realizable with reasonable effort. Jan -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux