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net: dsa: add MDB support

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Add SWITCHDEV_OBJ_ID_PORT_MDB support to the DSA layer.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot
2016-08-31 11:50:03 -04:00
committed by David S. Miller
parent dbeb714a5b
commit 8df3025520
3 changed files with 94 additions and 0 deletions
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23
Documentation/networking/dsa/dsa.txt
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@@ -584,6 +584,29 @@ of DSA, would be the its port-based VLAN, used by the associated bridge device.
function that the driver has to call for each MAC address known to be behind
the given port. A switchdev object is used to carry the VID and FDB info.
- port_mdb_prepare: bridge layer function invoked when the bridge prepares the
installation of a multicast database entry. If the operation is not supported,
this function should return -EOPNOTSUPP to inform the bridge code to fallback
to a software implementation. No hardware setup must be done in this function.
See port_fdb_add for this and details.
- port_mdb_add: bridge layer function invoked when the bridge wants to install
a multicast database entry, the switch hardware should be programmed with the
specified address in the specified VLAN ID in the forwarding database
associated with this VLAN ID.
Note: VLAN ID 0 corresponds to the port private database, which, in the context
of DSA, would be the its port-based VLAN, used by the associated bridge device.
- port_mdb_del: bridge layer function invoked when the bridge wants to remove a
multicast database entry, the switch hardware should be programmed to delete
the specified MAC address from the specified VLAN ID if it was mapped into
this port forwarding database.
- port_mdb_dump: bridge layer function invoked with a switchdev callback
function that the driver has to call for each MAC address known to be behind
the given port. A switchdev object is used to carry the VID and MDB info.
TODO
====