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SubjectRe: [PATCH net-next v3 5/5] ethtool: provide link mode names as a string set

On 12/11/2019 1:58 AM, Michal Kubecek wrote:
> Unlike e.g. netdev features, the ethtool ioctl interface requires link mode
> table to be in sync between kernel and userspace for userspace to be able
> to display and set all link modes supported by kernel. The way arbitrary
> length bitsets are implemented in netlink interface, this will be no longer
> needed.
> To allow userspace to access all link modes running kernel supports, add
> table of ethernet link mode names and make it available as a string set to
> userspace GET_STRSET requests. Add build time check to make sure names
> are defined for all modes declared in enum ethtool_link_mode_bit_indices.
> Once the string set is available, make it also accessible via ioctl.
> Signed-off-by: Michal Kubecek <>
> Reviewed-by: Andrew Lunn <>
> Reviewed-by: Jiri Pirko <>

Reviewed-by: Florian Fainelli <>

I would have almost treated the _Half_ modes a special to omit
specifying Full for 90% of the remaining modes and save both characters
and room for errors, but that's fine this way too.

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