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switchdev: Adding IGMP snooping documentation

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Signed-off-by: Elad Raz <eladr@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Elad Raz 2016-01-10 21:06:29 +01:00 committed by David S. Miller
parent 3a49b4fde2
commit 4f5590f8cd
1 changed files with 6 additions and 2 deletions
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8
Documentation/networking/switchdev.txt
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@ -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
------------------