On Thu, Oct 01, 2026 at 12:32:01PM -0300, Victor Nogueira wrote:
> Add a boundary pair for route4 change without a routing attribute:
>
> - a classid-only change of a wildcard filter (handle 0xffff8000) is a
> metadata-only update and must succeed;
> - the same change on a non-wildcard handle (0x10001) would rekey the
> filter to the wildcard bucket, leaving the handle userspace stored stale,
> and must be rejected with -EINVAL.
>
> The change of a wildcard filter is the flow iproute2 uses by default
> ("tc filter add ... route classid X:Y" gives handle 0xffff8000).
>
> Reviewed-by: Jamal Hadi Salim <[email protected]>
> Signed-off-by: Victor Nogueira <[email protected]>
Reviewed-by: Simon Horman <[email protected]>