diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2016-05-24 21:26:41 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-25 12:45:40 -0700 |
| commit | f05e2db1996d7a640c76481ba5ea3d7a295a8f48 (patch) | |
| tree | 708ced9653ce0e175f9396bbdc1189ee3a36143b /Documentation | |
| parent | 7013d8e1d0a07b74dc6f81b470654290b769e9bb (diff) | |
| download | lwn-f05e2db1996d7a640c76481ba5ea3d7a295a8f48.tar.gz lwn-f05e2db1996d7a640c76481ba5ea3d7a295a8f48.zip | |
Documentation: networking: dsa: Describe port_vlan_filtering
Described what the port_vlan_filtering function is supposed to
accomplish.
Fixes: fb2dabad69f0 ("net: dsa: support VLAN filtering switchdev attr")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
| -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 |