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| -rw-r--r-- | Documentation/networking/dsa/dsa.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt index 411b57fd73aa..9d05ed7f7da5 100644 --- a/Documentation/networking/dsa/dsa.txt +++ b/Documentation/networking/dsa/dsa.txt @@ -535,6 +535,16 @@ Bridge layer Bridge VLAN filtering --------------------- +- port_vlan_filtering: bridge layer function invoked when the bridge gets + configured for turning on or off VLAN filtering. If nothing specific needs to + be done at the hardware level, this callback does not need to be implemented. + When VLAN filtering is turned on, the hardware must be programmed with + rejecting 802.1Q frames which have VLAN IDs outside of the programmed allowed + VLAN ID map/rules. If there is no PVID programmed into the switch port, + untagged frames must be rejected as well. When turned off the switch must + accept any 802.1Q frames irrespective of their VLAN ID, and untagged frames are + allowed. + - port_vlan_prepare: bridge layer function invoked when the bridge prepares the configuration of a VLAN on the given port. If the operation is not supported by the hardware, this function should return -EOPNOTSUPP to inform the bridge |