[PATCH v9 02/14] net/sxe: add ethdev probe and remove

[Stephen Hemminger]

On Wed, 16 Jul 2025 04:29:18 -0400
Jie Liu <liujie5 at linkdatatechnology.com> wrote:

> +
> +#ifndef fallthrough
> +# define fallthrough do {} while (0)
> +#endif
> +

That isn't going to solve compiler warnings.
You need to use better mechanism.