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Date: Sun, 10 Jan 2016 21:06:29 +0100 From: Jiri Pirko <jiri@...nulli.us> To: netdev@...r.kernel.org Cc: davem@...emloft.net, idosch@...lanox.com, eladr@...lanox.com, yotamg@...lanox.com, ogerlitz@...lanox.com, corbet@....net, stephen@...workplumber.org, sfeldma@...il.com, vivien.didelot@...oirfairelinux.com, roopa@...ulusnetworks.com, gospo@...ulusnetworks.com, nikolay@...ulusnetworks.com Subject: [patch net-next v2 8/8] switchdev: Adding IGMP snooping documentation From: Elad Raz <eladr@...lanox.com> Signed-off-by: Elad Raz <eladr@...lanox.com> Signed-off-by: Ido Schimmel <idosch@...lanox.com> Signed-off-by: Jiri Pirko <jiri@...lanox.com> --- 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
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