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| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2023-10-16 16:42:53 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-10-17 17:51:02 -0700 |
| commit | b6f9774719e5601b32f47021b40fee446b356490 (patch) | |
| tree | d7fc3f5748e9e1b09d3c8cc3bffb8781168102b6 /Documentation/networking | |
| parent | 73b24e7ce8f1f47e2b73c9b6724188898f4ca6fd (diff) | |
| download | linux-b6f9774719e5601b32f47021b40fee446b356490.tar.gz | |
net: phylink: provide mac_get_caps() method
Provide a new method, mac_get_caps() to get the MAC capabilities for
the specified interface mode. This is for MACs which have special
requirements, such as not supporting half-duplex in certain interface
modes, and will replace the validate() method.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1qsPk5-009wiX-G5@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/sfp-phylink.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/sfp-phylink.rst b/Documentation/networking/sfp-phylink.rst index 55b65f607a640f..b069d34d7f5cf1 100644 --- a/Documentation/networking/sfp-phylink.rst +++ b/Documentation/networking/sfp-phylink.rst @@ -200,6 +200,13 @@ this documentation. when the in-band link state changes - otherwise the link will never come up. + The :c:func:`mac_get_caps` method is optional, and if provided should + return the phylink MAC capabilities that are supported for the passed + ``interface`` mode. In general, there is no need to implement this method. + Phylink will use these capabilities in combination with permissible + capabilities for ``interface`` to determine the allowable ethtool link + modes. + The :c:func:`validate` method should mask the supplied supported mask, and ``state->advertising`` with the supported ethtool link modes. These are the new ethtool link modes, so bitmask operations must be |