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net: dsa: document missing functions 

Add description for the missing port_vlan_prepare, port_fdb_prepare,
port_fdb_dump functions in the DSA documentation.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2016-04-06 11:06:20 -04:00 committed by David S. Miller
parent 1089ac6977
commit f453939c1a
1 changed files with 16 additions and 0 deletions
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16
Documentation/networking/dsa/dsa.txt
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@ -542,6 +542,12 @@ Bridge layer
Bridge VLAN filtering
---------------------
- 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
code to fallback to a software implementation. No hardware setup must be done
in this function. See port_vlan_add for this and details.
- port_vlan_add: bridge layer function invoked when a VLAN is configured
(tagged or untagged) for the given switch port
@ -552,6 +558,12 @@ Bridge VLAN filtering
function that the driver has to call for each VLAN the given port is a member
of. A switchdev object is used to carry the VID and bridge flags.
- port_fdb_prepare: bridge layer function invoked when the bridge prepares the
installation of a Forwarding 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_fdb_add: bridge layer function invoked when the bridge wants to install a
Forwarding Database entry, the switch hardware should be programmed with the
specified address in the specified VLAN Id in the forwarding database
@ -565,6 +577,10 @@ of DSA, would be the its port-based VLAN, used by the associated bridge device.
the specified MAC address from the specified VLAN ID if it was mapped into
this port forwarding database
- port_fdb_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 FDB info.
TODO
====