From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: 3.6 routing cache regression, multicast loopback broken Date: Wed, 21 Nov 2012 12:25:46 -0500 (EST) Message-ID: <20121121.122546.2071233763408394785.davem@davemloft.net> References: <1352133471.12029.43.camel@sakura.staff.proxad.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: mbizon@freebox.fr, netdev@vger.kernel.org To: ja@ssi.bg Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:53712 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754470Ab2KURZs (ORCPT ); Wed, 21 Nov 2012 12:25:48 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Julian Anastasov Date: Wed, 21 Nov 2012 02:35:34 +0200 (EET) > [PATCH net-next] ipv4: do not cache looped multicasts > > We have two cases for outgoing multicasts > depending on the membership: with or without RTCF_LOCAL. > Currently, we use caching only if route to 224/4 is used. > As we can not cache for both cases, optimize the caching > for senders only, do not cache routes with RTCF_LOCAL > flag set. > > Signed-off-by: Julian Anastasov The sad part is that you warned me about this issue nearly 2 years ago Julian, sorry :-/