From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?Fran=E7ois-Xavier_Le_Bail?= Subject: [RFC] ipmr: About origin IP address of flow in multicast routing API Date: Wed, 5 Jan 2011 04:59:07 -0800 (PST) Message-ID: <208282.77453.qm@web62507.mail.re1.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT To: netdev@vger.kernel.org Return-path: Received: from web62507.mail.re1.yahoo.com ([69.147.75.99]:42105 "HELO web62507.mail.re1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751810Ab1AEM7J convert rfc822-to-8bit (ORCPT ); Wed, 5 Jan 2011 07:59:09 -0500 Sender: netdev-owner@vger.kernel.org List-ID: Hello, Context: IGMP Proxying. For using multicast routing API with setsockopt and MRT_ADD_MFC, we need to set the mfcc_origin in a struct mfcctl. Is there a way to use a wildcard for mfcc_origin to say "any origin" IP address, by example 0.0.0.0 ? Thus we could add a MFC with only the multicast group and the mfcc_parent, reading a SOCK_RAW/IPPROTO_IGMP socket, without the need to listen the multicast flow to find the origin IP. Any thought ? Francois-Xavier Le Bail