From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next 2/2] macvlan: add multicast filter Date: Wed, 06 Feb 2013 16:00:03 -0500 (EST) Message-ID: <20130206.160003.1038576500046419799.davem@davemloft.net> References: <1360131770.28557.26.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, greearb@candelatech.com To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:43707 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932082Ab3BFVAF (ORCPT ); Wed, 6 Feb 2013 16:00:05 -0500 In-Reply-To: <1360131770.28557.26.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Tue, 05 Feb 2013 22:22:50 -0800 > From: Eric Dumazet > > Setting up IPv6 addresses on configurations with many macvlans > is not really working, as many multicast messages are dropped. > > Add a multicast filter to macvlan to reduce the amount of cloned > skbs and overhead. > > Successfully tested with 1024 macvlans on one ethernet device. > > Signed-off-by: Eric Dumazet Applied.