[PATCH v13 net-next 5/9] devlink: Add new "enable_phc" generic device param

[David Arinzon <darinzon@amazon.com>]

Add a new device generic parameter to enable/disable the
PHC (PTP Hardware Clock) functionality in the device associated
with the devlink instance.

Signed-off-by: David Arinzon <darinzon@amazon.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
---
 Documentation/networking/devlink/devlink-params.rst | 3 +++
 include/net/devlink.h                               | 4 ++++
 net/devlink/param.c                                 | 5 +++++
 3 files changed, 12 insertions(+)

diff --git a/Documentation/networking/devlink/devlink-params.rst b/Documentation/networking/devlink/devlink-params.rst
index 4e01dc32..3da8f4ef 100644
--- a/Documentation/networking/devlink/devlink-params.rst
+++ b/Documentation/networking/devlink/devlink-params.rst
@@ -137,3 +137,6 @@ own name.
    * - ``event_eq_size``
      - u32
      - Control the size of asynchronous control events EQ.
+   * - ``enable_phc``
+     - Boolean
+     - Enable PHC (PTP Hardware Clock) functionality in the device.
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 0091f23a..63517646 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -520,6 +520,7 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_ENABLE_IWARP,
 	DEVLINK_PARAM_GENERIC_ID_IO_EQ_SIZE,
 	DEVLINK_PARAM_GENERIC_ID_EVENT_EQ_SIZE,
+	DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -578,6 +579,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME "event_eq_size"
 #define DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE DEVLINK_PARAM_TYPE_U32
 
+#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME "enable_phc"
+#define DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE DEVLINK_PARAM_TYPE_BOOL
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
diff --git a/net/devlink/param.c b/net/devlink/param.c
index b29abf8d..396b8a7f 100644
--- a/net/devlink/param.c
+++ b/net/devlink/param.c
@@ -92,6 +92,11 @@ static const struct devlink_param devlink_param_generic[] = {
 		.name = DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_NAME,
 		.type = DEVLINK_PARAM_GENERIC_EVENT_EQ_SIZE_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_PHC,
+		.name = DEVLINK_PARAM_GENERIC_ENABLE_PHC_NAME,
+		.type = DEVLINK_PARAM_GENERIC_ENABLE_PHC_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)
-- 
2.47.1