Hi Björn,

On 25/03/2026 15:50, Björn Töpel wrote:

Add the netlink YAML spec and auto-generated UAPI header for a unified
loopback interface covering MAC, PHY, and pluggable module components.

Each loopback point is described by a nested entry attribute

Is the nest actually needed ? if everything is under the nest, you might
as well just drop it and return all the attributes directly ?

Maxime

containing:

 - component  where in the path (MAC, PHY, MODULE)
 - name       subsystem label, e.g. "cmis-host" or "cmis-media"
 - id         optional instance selector (e.g. PHY id, port id)
 - depth      ordering index within a component (0 = first/only)
 - supported  bitmask of supported directions
 - direction  LOCAL, REMOTE, or 0 (disabled)

Signed-off-by: Björn Töpel <bjorn@kernel.org>

Maxime