devlink: Add devlink notifications support for port params

Add notification call for devlink port param set, register and unregister
functions.
Add devlink_port_param_value_changed() function to enable the driver notify
devlink on value change. Driver should use this function after value was
changed on any configuration mode part to driverinit.

v7->v8:
Order devlink_port_param_value_changed() definitions followed by
devlink_param_value_changed()

Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index 3658fb20b190..61b4447a6c5b 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -91,6 +91,8 @@ enum devlink_command {
 
         DEVLINK_CMD_PORT_PARAM_GET,     /* can dump */
         DEVLINK_CMD_PORT_PARAM_SET,
+        DEVLINK_CMD_PORT_PARAM_NEW,
+        DEVLINK_CMD_PORT_PARAM_DEL,
 
         /* add new commands above here */
         __DEVLINK_CMD_MAX,