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| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-07-16 20:53:34 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-18 13:44:37 +0200 |
| commit | d6a0336addd47af8869953a480e44a63726fad8f (patch) | |
| tree | 4c94d0d22da6e0637e5ce37584afc5d784abffe0 /Documentation | |
| parent | docs: net: dsa: add more info about the other arguments to get_tag_protocol (diff) | |
| download | linux-d6a0336addd47af8869953a480e44a63726fad8f.tar.xz linux-d6a0336addd47af8869953a480e44a63726fad8f.zip | |
docs: net: dsa: document change_tag_protocol
Support for changing the tagging protocol was added without this
operation being documented; do so now.
Fixes: 53da0ebaad10 ("net: dsa: allow changing the tag protocol via the "tagging" device attribute")
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/networking/dsa/dsa.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/dsa/dsa.rst b/Documentation/networking/dsa/dsa.rst index 76b0bc1abbae..83c1a02376c8 100644 --- a/Documentation/networking/dsa/dsa.rst +++ b/Documentation/networking/dsa/dsa.rst @@ -600,6 +600,12 @@ Switch configuration upstream switch, in case there are hardware limitations in terms of supported tag formats. +- ``change_tag_protocol``: when the default tagging protocol has compatibility + problems with the master or other issues, the driver may support changing it + at runtime, either through a device tree property or through sysfs. In that + case, further calls to ``get_tag_protocol`` should report the protocol in + current use. + - ``setup``: setup function for the switch, this function is responsible for setting up the ``dsa_switch_ops`` private structure with all it needs: register maps, interrupts, mutexes, locks, etc. This function is also expected to properly |