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06cdca014e
With the addition of more link speed mode to the netdev trigger, it was pointed out that there may be a problem with bloating the attribute list with modes that won't ever be supported by the trigger as the attached device name doesn't support them. To clear and address this problem, change the logic where these additional trigger modes are listed. Since the netdev trigger REQUIRE a device name to be set, attach to the device name change function additional logic to parse the supported link speed modes using ethtool APIs and show only the supported link speed modes attribute. Link speed attribute are refreshed on device_name set and on NETDEV_CHANGE events. This only apply to the link speed modes and every other mode is still provided by default. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> Reviewed-by: Marek Behún <kabel@kernel.org> Link: https://lore.kernel.org/r/20240111160501.1774-1-ansuelsmth@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>