Re: [PATCH v5 net-next 1/5] net/ethtool: add netlink interface for the PLCA RS
> Given what I just said, what would you suggest to do?
I would return just the version part, not the whole register contents.
The nice thing about netlink is you can add extra attributes without breaking the ABI. If that 0xA ever gains a meaning and more values, an attribute for it can be added.