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authorVivien Didelot <vivien.didelot@savoirfairelinux.com>2016-08-31 18:50:03 +0300
committerDavid S. Miller <davem@davemloft.net>2016-09-01 00:15:42 +0300
commit8df3025520aaeba36aba867a4851f8968ac65b4d (patch)
treea34dd93f10d37541c87bd497fb1bb8efe2d6b007 /Documentation
parentdbeb714a5b11d26cec49e8bb5ba61e7f9b6639ac (diff)
downloadlinux-8df3025520aaeba36aba867a4851f8968ac65b4d.tar.xz
net: dsa: add MDB support
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/networking/dsa/dsa.txt23
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt
index a4e55c76d371..6d6c07cf1a9a 100644
--- a/Documentation/networking/dsa/dsa.txt
+++ b/Documentation/networking/dsa/dsa.txt
@@ -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
====