On Tue, May 28, 2024 at 05:20:10PM +0800, Xiaolei Wang wrote:
> The CBS parameter can still be configured when the port is
> currently disconnected and link down. This is unreasonable.
This sounds like a generic problem. Can the core check the carrier
status and error out there? Maybe return a useful extack message.
If you do need to return an error code, ENETDOWN seems more
appropriate.
Andrew