Update the ethnl specification to include the newly introduced loopback
and isolated attributes, and describe the newly introduced
ETHTOOL_PHY_SET command.

Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
---
 Documentation/netlink/specs/ethtool.yaml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml
index 6a050d755b9c..f17ddd8783f7 100644
--- a/Documentation/netlink/specs/ethtool.yaml
+++ b/Documentation/netlink/specs/ethtool.yaml
@@ -1132,6 +1132,12 @@ attribute-sets:
       -
         name: downstream-sfp-name
         type: string
+      -
+        name: isolate
+        type: u8
+      -
+        name: loopback
+        type: u8
 
 operations:
   enum-model: directional
@@ -1950,4 +1956,18 @@ operations:
             - upstream-index
             - upstream-sfp-name
             - downstream-sfp-name
+            - isolate
+            - loopback
       dump: *phy-get-op
+    -
+      name: phy-set
+      doc: Set configuration attributes for attached PHY devices
+
+      attribute-set: phy
+
+      do:
+        request:
+          attributes:
+            - header
+            - isolate
+            - loopback
-- 
2.46.0