linux-kernel - [PATCH net-next v6 11/16] netlink: specs: Introduce new netlink command to list available time stamping layers

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Message-Id: <20231019-feature_ptp_netnext-v6-11-71affc27b0e5@bootlin.com>
Date:   Thu, 19 Oct 2023 16:29:26 +0200
From:   Kory Maincent <kory.maincent@...tlin.com>
To:     Florian Fainelli <florian.fainelli@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Richard Cochran <richardcochran@...il.com>,
        Radu Pirea <radu-nicolae.pirea@....nxp.com>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Claudiu Beznea <claudiu.beznea@...on.dev>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>,
        Jonathan Corbet <corbet@....net>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>,
        UNGLinuxDriver@...rochip.com, Simon Horman <horms@...nel.org>,
        Vladimir Oltean <vladimir.oltean@....com>
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Kory Maincent <kory.maincent@...tlin.com>
Subject: [PATCH net-next v6 11/16] netlink: specs: Introduce new netlink
 command to list available time stamping layers

Add a new commands allowing to list available time stamping layers on a
netdevice's link.

Example usage :
./ynl/cli.py --spec netlink/specs/ethtool.yaml --no-schema \
	     --do ts-list-get \
	     --json '{"header":{"dev-name":"eth0"}}'
{'header': {'dev-index': 3, 'dev-name': 'eth0'},
 'ts-list-layer': b'\x01\x00\x00\x00\x05\x00\x00\x00'}

Signed-off-by: Kory Maincent <kory.maincent@...tlin.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 49ee028e97ca..81ed8e5f2f55 100644
--- a/Documentation/netlink/specs/ethtool.yaml
+++ b/Documentation/netlink/specs/ethtool.yaml
@@ -952,6 +952,16 @@ attribute-sets:
       -
         name: ts-layer
         type: u32
+  -
+    name: ts-list
+    attributes:
+      -
+        name: header
+        type: nest
+        nested-attributes: header
+      -
+        name: ts-list-layer
+        type: binary
 
 operations:
   enum-model: directional
@@ -1716,3 +1726,17 @@ operations:
           attributes: &ts
             - header
             - ts-layer
+    -
+      name: ts-list-get
+      doc: Get list of timestamp devices available on an interface
+
+      attribute-set: ts-list
+
+      do:
+        request:
+          attributes:
+            - header
+        reply:
+          attributes:
+            - header
+            - ts-list-layer

-- 
2.25.1