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| -rw-r--r-- | Documentation/networking/sfp-phylink.rst | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/networking/sfp-phylink.rst b/Documentation/networking/sfp-phylink.rst index 55b65f607a..8054d33f44 100644 --- a/Documentation/networking/sfp-phylink.rst +++ b/Documentation/networking/sfp-phylink.rst @@ -200,10 +200,12 @@ this documentation. when the in-band link state changes - otherwise the link will never come up. - 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 - used. For an example, see ``drivers/net/ethernet/marvell/mvneta.c``. + 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:`mac_link_state` method is used to read the link state from the MAC, and report back the settings that the MAC is currently |