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| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2025-11-30 15:16:57 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-12-01 16:51:55 -0800 |
| commit | 4e4c00f34d5dbbb2b7174fc419747f0b3fe7a4d5 (patch) | |
| tree | c6ddfad3586257009ea2cb82222e39e788472a84 | |
| parent | 977839161f26862e77a2c9a46b4d7b0b00b20dad (diff) | |
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>
| -rw-r--r-- | Documentation/networking/dsa/dsa.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/networking/dsa/dsa.rst b/Documentation/networking/dsa/dsa.rst index 92df551434f4..5c79740a533b 100644 --- a/Documentation/networking/dsa/dsa.rst +++ b/Documentation/networking/dsa/dsa.rst @@ -1119,6 +1119,14 @@ methods must be implemented: - ``port_hsr_leave``: function invoked when a given switch port leaves a 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 ==== |