From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Pirko Subject: [patch net-next 8/8] switchdev: Adding IGMP snooping documentation Date: Sun, 10 Jan 2016 14:07:28 +0100 Message-ID: <1452431248-5411-9-git-send-email-jiri@resnulli.us> References: <1452431248-5411-1-git-send-email-jiri@resnulli.us> Cc: davem@davemloft.net, idosch@mellanox.com, eladr@mellanox.com, yotamg@mellanox.com, ogerlitz@mellanox.com, corbet@lwn.net, stephen@networkplumber.org, sfeldma@gmail.com, vivien.didelot@savoirfairelinux.com, roopa@cumulusnetworks.com, gospo@cumulusnetworks.com To: netdev@vger.kernel.org Return-path: Received: from mail-wm0-f44.google.com ([74.125.82.44]:38464 "EHLO mail-wm0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756432AbcAJNHm (ORCPT ); Sun, 10 Jan 2016 08:07:42 -0500 Received: by mail-wm0-f44.google.com with SMTP id b14so231831464wmb.1 for ; Sun, 10 Jan 2016 05:07:42 -0800 (PST) In-Reply-To: <1452431248-5411-1-git-send-email-jiri@resnulli.us> Sender: netdev-owner@vger.kernel.org List-ID: From: Elad Raz Signed-off-by: Elad Raz Signed-off-by: Ido Schimmel Signed-off-by: Jiri Pirko --- Documentation/networking/switchdev.txt | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.txt index 9199413..fad6313 100644 --- a/Documentation/networking/switchdev.txt +++ b/Documentation/networking/switchdev.txt @@ -304,8 +304,12 @@ certain netdevs from flooding unicast traffic for which there is no FDB entry. IGMP Snooping ^^^^^^^^^^^^^ -XXX: complete this section - +In order to support IGMP snooping, the port netdevs should trap to the bridge +driver all IGMP join and leave messages. +The bridge multicast module will notify port netdevs on every multicast group +changed whether it is static configured or dynamically joined/leave. +The hardware implementation should be forwarding all registered multicast +traffic groups only to the configured ports. L3 Routing Offload ------------------ -- 1.9.3