From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next v3 2/2] ipv4: implement igmp_qrv sysctl to tune igmp robustness variable Date: Thu, 04 Sep 2014 22:26:42 -0700 (PDT) Message-ID: <20140904.222642.943899742529530912.davem@davemloft.net> References: <3f38fb1c0c5544de4cea8bb13e0adcbba17bebd3.1409665378.git.hannes@stressinduktion.org> <3f38fb1c0c5544de4cea8bb13e0adcbba17bebd3.1409665378.git.hannes@stressinduktion.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, fbl@redhat.com To: hannes@stressinduktion.org Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:44981 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751812AbaIEF0n (ORCPT ); Fri, 5 Sep 2014 01:26:43 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Hannes Frederic Sowa Date: Tue, 2 Sep 2014 15:49:26 +0200 > As in IPv6 people might increase the igmp query robustness variable to > make sure unsolicited state change reports aren't lost on the network. Add > and document this new knob to igmp code. > > RFCs allow tuning this parameter back to first IGMP RFC, so we also use > this setting for all counters, including source specific multicast. > > Also take over sysctl value when upping the interface and don't reuse > the last one seen on the interface. > > Cc: Flavio Leitner > Signed-off-by: Hannes Frederic Sowa Applied.