Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751818AbdFPTV5 (ORCPT ); Fri, 16 Jun 2017 15:21:57 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:37450 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750990AbdFPTV4 (ORCPT ); Fri, 16 Jun 2017 15:21:56 -0400 Date: Fri, 16 Jun 2017 15:21:54 -0400 (EDT) Message-Id: <20170616.152154.1388838024873603347.davem@davemloft.net> To: vivien.didelot@savoirfairelinux.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@savoirfairelinux.com, f.fainelli@gmail.com, andrew@lunn.ch, jcobham@questertangent.com Subject: Re: [PATCH net-next] net: dsa: add cross-chip multicast support From: David Miller In-Reply-To: <20170615201448.22424-1-vivien.didelot@savoirfairelinux.com> References: <20170615201448.22424-1-vivien.didelot@savoirfairelinux.com> X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 16 Jun 2017 11:40:13 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 707 Lines: 17 From: Vivien Didelot Date: Thu, 15 Jun 2017 16:14:48 -0400 > Similarly to how cross-chip VLAN works, define a bitmap of multicast > group members for a switch, now including its DSA ports, so that > multicast traffic can be sent to all switches of the fabric. > > A switch may drop the frames if no user port is a member. > > This brings support for multicast in a multi-chip environment. > As of now, all switches of the fabric must support the multicast > operations in order to program a single fabric port. > > Reported-by: Jason Cobham > Signed-off-by: Vivien Didelot Applied, thanks Vivien.