Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751955AbdFPAeh (ORCPT ); Thu, 15 Jun 2017 20:34:37 -0400 Received: from mail-wm0-f67.google.com ([74.125.82.67]:36396 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750803AbdFPAeg (ORCPT ); Thu, 15 Jun 2017 20:34:36 -0400 Subject: Re: [PATCH net-next] net: dsa: add cross-chip multicast support To: Vivien Didelot , netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel@savoirfairelinux.com, "David S. Miller" , Andrew Lunn , Jason Cobham References: <20170615201448.22424-1-vivien.didelot@savoirfairelinux.com> From: Florian Fainelli Message-ID: <52745077-effa-1592-5ab1-2778b394cf91@gmail.com> Date: Thu, 15 Jun 2017 17:34:27 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.1 MIME-Version: 1.0 In-Reply-To: <20170615201448.22424-1-vivien.didelot@savoirfairelinux.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 696 Lines: 17 On 06/15/2017 01:14 PM, Vivien Didelot wrote: > 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 Reviewed-by: Florian Fainelli -- Florian