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Documentation: net: dsa: mention simple HSR offload helpers 

Keep the documentation up to date.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251130131657.65080-16-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2025-11-30 15:16:57 +02:00 committed by Jakub Kicinski
parent 977839161f
commit 4e4c00f34d
1 changed files with 8 additions and 0 deletions
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8
Documentation/networking/dsa/dsa.rst
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@ -1119,6 +1119,14 @@ methods must be implemented:
- ``port_hsr_leave``: function invoked when a given switch port leaves a - ``port_hsr_leave``: function invoked when a given switch port leaves a
DANP/DANH and returns to normal operation as a standalone port. DANP/DANH and returns to normal operation as a standalone port.
Note that the ``NETIF_F_HW_HSR_DUP`` feature relies on transmission towards
multiple ports, which is generally available whenever the tagging protocol uses
the ``dsa_xmit_port_mask()`` helper function. If the helper is used, the HSR
offload feature should also be set. The ``dsa_port_simple_hsr_join()`` and
``dsa_port_simple_hsr_leave()`` methods can be used as generic implementations
of ``port_hsr_join`` and ``port_hsr_leave``, if this is the only supported
offload feature.
TODO TODO
==== ====