From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752869AbbH1VT7 (ORCPT ); Fri, 28 Aug 2015 17:19:59 -0400 Received: from mail-yk0-f172.google.com ([209.85.160.172]:36648 "EHLO mail-yk0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752685AbbH1VT5 (ORCPT ); Fri, 28 Aug 2015 17:19:57 -0400 MIME-Version: 1.0 In-Reply-To: <6112e6ccb97c5015b6f8125d8c0f75c179b53198.1440689853.git.pdowney@brocade.com> References: <6112e6ccb97c5015b6f8125d8c0f75c179b53198.1440689853.git.pdowney@brocade.com> Date: Fri, 28 Aug 2015 14:19:56 -0700 Message-ID: Subject: Re: [PATCH] IGMP: Inhibit reports for local multicast groups From: Cong Wang To: Philip Downey Cc: David Miller , Alexey Kuznetsov , James Morris , Hideaki YOSHIFUJI , Patrick McHardy , "linux-kernel@vger.kernel.org" , netdev Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 27, 2015 at 8:46 AM, Philip Downey wrote: > IGMP reports for local multicast groups can now be optionally > inhibited by means of a system control variable (by setting the value > to zero) e.g.: > echo 0 > /proc/sys/net/ipv4/igmp_link_local_mcast_reports > > To retain backwards compatibility the previous behaviour is retained > by default on system boot or reverted by setting the value back to > non-zero e.g.: > echo 1 > /proc/sys/net/ipv4/igmp_link_local_mcast_reports > Please document it in Documentation/networking/ip-sysctl.txt.