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docs: net: dsa: mention that VLANs are now refcounted on shared ports

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The blamed commit updated the way in which VLANs are handled at the
cross-chip notifier layer and didn't update the documentation to say
that. Fix it.

Fixes: 134ef2388e ("net: dsa: add explicit support for host bridge VLANs")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vladimir Oltean 2022-07-16 21:53:44 +03:00 committed by David S. Miller
parent 6ba1a4aa59
commit 7b02f40350
1 changed files with 7 additions and 1 deletions
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8
Documentation/networking/dsa/dsa.rst
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@ -951,7 +951,13 @@ Bridge VLAN filtering
allowed.
- ``port_vlan_add``: bridge layer function invoked when a VLAN is configured
(tagged or untagged) for the given switch port..
(tagged or untagged) for the given switch port. The CPU port becomes a member
of a VLAN only if a foreign bridge port is also a member of it (and
forwarding needs to take place in software), or the VLAN is installed to the
VLAN group of the bridge device itself, for termination purposes
(``bridge vlan add dev br0 vid 100 self``). VLANs on shared ports are
reference counted and removed when there is no user left. Drivers do not need
to manually install a VLAN on the CPU port.
- ``port_vlan_del``: bridge layer function invoked when a VLAN is removed from the
given switch port