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Diffstat (limited to 'Documentation/networking/dsa/dsa.rst')
| -rw-r--r-- | Documentation/networking/dsa/dsa.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/networking/dsa/dsa.rst b/Documentation/networking/dsa/dsa.rst index b64cb4068c13..89bb4fa4c362 100644 --- a/Documentation/networking/dsa/dsa.rst +++ b/Documentation/networking/dsa/dsa.rst @@ -650,6 +650,22 @@ Bridge layer CPU port, and flooding towards the CPU port should also be enabled, due to a lack of an explicit address filtering mechanism in the DSA core. +- ``port_bridge_tx_fwd_offload``: bridge layer function invoked after + ``port_bridge_join`` when a driver sets ``ds->num_fwd_offloading_bridges`` to + a non-zero value. Returning success in this function activates the TX + forwarding offload bridge feature for this port, which enables the tagging + protocol driver to inject data plane packets towards the bridging domain that + the port is a part of. Data plane packets are subject to FDB lookup, hardware + learning on the CPU port, and do not override the port STP state. + Additionally, replication of data plane packets (multicast, flooding) is + handled in hardware and the bridge driver will transmit a single skb for each + packet that needs replication. The method is provided as a configuration + point for drivers that need to configure the hardware for enabling this + feature. + +- ``port_bridge_tx_fwd_unoffload``: bridge layer function invoken when a driver + leaves a bridge port which had the TX forwarding offload feature enabled. + Bridge VLAN filtering --------------------- |