From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] net: dsa: add cross-chip multicast support Date: Fri, 16 Jun 2017 15:21:54 -0400 (EDT) Message-ID: <20170616.152154.1388838024873603347.davem@davemloft.net> References: <20170615201448.22424-1-vivien.didelot@savoirfairelinux.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@savoirfairelinux.com, f.fainelli@gmail.com, andrew@lunn.ch, jcobham@questertangent.com To: vivien.didelot@savoirfairelinux.com Return-path: In-Reply-To: <20170615201448.22424-1-vivien.didelot@savoirfairelinux.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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.