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Diffstat (limited to 'Documentation/networking/switchdev.txt')
| -rw-r--r-- | Documentation/networking/switchdev.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.txt index 91994134efca..fad63136ee3e 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 ------------------ |