Add a new commands allowing to get the current time stamping on a
netdevice's link.

Example usage :
./ynl/cli.py --spec netlink/specs/ethtool.yaml --no-schema --do ts-get \
	     --json '{"header":{"dev-name":"eth0"}}'
{'header': {'dev-index': 3, 'dev-name': 'eth0'}, 'ts-layer': 1}

Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
---
 Documentation/netlink/specs/ethtool.yaml | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml
index 5c7a65b009b4..61b30701fdad 100644
--- a/Documentation/netlink/specs/ethtool.yaml
+++ b/Documentation/netlink/specs/ethtool.yaml
@@ -939,6 +939,16 @@ attribute-sets:
       -
         name: burst-tmr
         type: u32
+  -
+    name: ts
+    attributes:
+      -
+        name: header
+        type: nest
+        nested-attributes: header
+      -
+        name: ts-layer
+        type: u32
 
 operations:
   enum-model: directional
@@ -1689,3 +1699,17 @@ operations:
       name: mm-ntf
       doc: Notification for change in MAC Merge configuration.
       notify: mm-get
+    -
+      name: ts-get
+      doc: Get current timestamp
+
+      attribute-set: ts
+
+      do:
+        request:
+          attributes:
+            - header
+        reply:
+          attributes: &ts
+            - header
+            - ts-layer

-- 
2.25.1

On Tue, 14 Nov 2023 12:28:37 +0100 Kory Maincent wrote:
> +  -
> +    name: ts
> +    attributes:
> +      -
> +        name: header
> +        type: nest
> +        nested-attributes: header
> +      -
> +        name: ts-layer
> +        type: u32

Please add the definition of the enum to the spec,
and link it here, so that Python can convert the values
to names.