devlink: move port_fn_state_get/set() to devlink_port_ops

Move port_fn_state_get/set() from devlink_ops into newly introduced
devlink_port_ops.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: Jiri Pirko

drivers/net/ethernet/mellanox/mlx5/core/devlink.c

@@ -321,8 +321,6 @@ static const struct devlink_ops mlx5_devlink_ops = {
 #ifdef CONFIG_MLX5_SF_MANAGER
 	.port_new = mlx5_devlink_sf_port_new,
 	.port_del = mlx5_devlink_sf_port_del,
-	.port_fn_state_get = mlx5_devlink_sf_port_fn_state_get,
-	.port_fn_state_set = mlx5_devlink_sf_port_fn_state_set,
 #endif
 	.flash_update = mlx5_devlink_flash_update,
 	.info_get = mlx5_devlink_info_get,

drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c

@@ -149,6 +149,10 @@ static const struct devlink_port_ops mlx5_esw_dl_sf_port_ops = {
 	.port_fn_hw_addr_set = mlx5_devlink_port_fn_hw_addr_set,
 	.port_fn_roce_get = mlx5_devlink_port_fn_roce_get,
 	.port_fn_roce_set = mlx5_devlink_port_fn_roce_set,
+#ifdef CONFIG_MLX5_SF_MANAGER
+	.port_fn_state_get = mlx5_devlink_sf_port_fn_state_get,
+	.port_fn_state_set = mlx5_devlink_sf_port_fn_state_set,
+#endif
 };
 
 int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port,

include/net/devlink.h

@@ -1464,36 +1464,6 @@ struct devlink_ops {
 	 */
 	int (*port_del)(struct devlink *devlink, struct devlink_port *port,
 			struct netlink_ext_ack *extack);
-	/**
-	 * port_fn_state_get() - Get the state of a port function
-	 * @devlink: Devlink instance
-	 * @port: The devlink port
-	 * @state: Admin configured state
-	 * @opstate: Current operational state
-	 * @extack: extack for reporting error messages
-	 *
-	 * Reports the admin and operational state of a devlink port function
-	 *
-	 * Return: 0 on success, negative value otherwise.
-	 */
-	int (*port_fn_state_get)(struct devlink_port *port,
-				 enum devlink_port_fn_state *state,
-				 enum devlink_port_fn_opstate *opstate,
-				 struct netlink_ext_ack *extack);
-	/**
-	 * port_fn_state_set() - Set the admin state of a port function
-	 * @devlink: Devlink instance
-	 * @port: The devlink port
-	 * @state: Admin state
-	 * @extack: extack for reporting error messages
-	 *
-	 * Set the admin state of a devlink port function
-	 *
-	 * Return: 0 on success, negative value otherwise.
-	 */
-	int (*port_fn_state_set)(struct devlink_port *port,
-				 enum devlink_port_fn_state state,
-				 struct netlink_ext_ack *extack);
 
 	/**
 	 * Rate control callbacks.
@@ -1613,6 +1583,14 @@ void devlink_free(struct devlink *devlink);
  *			    capability. Should be used by device drivers
  *			    to enable/disable migratable capability of
  *			    a function managed by the devlink port.
+ * @port_fn_state_get: Callback used to get port function's state.
+ *		       Should be used by device drivers to report
+ *		       the current admin and operational state of a
+ *		       function managed by the devlink port.
+ * @port_fn_state_set: Callback used to get port function's state.
+ *		       Should be used by device drivers set
+ *		       the admin state of a function managed
+ *		       by the devlink port.
  *
  * Note: Driver should return -EOPNOTSUPP if it doesn't support
  * port function (@port_fn_*) handling for a particular port.
@@ -1641,6 +1619,13 @@ struct devlink_port_ops {
 	int (*port_fn_migratable_set)(struct devlink_port *devlink_port,
 				      bool enable,
 				      struct netlink_ext_ack *extack);
+	int (*port_fn_state_get)(struct devlink_port *port,
+				 enum devlink_port_fn_state *state,
+				 enum devlink_port_fn_opstate *opstate,
+				 struct netlink_ext_ack *extack);
+	int (*port_fn_state_set)(struct devlink_port *port,
+				 enum devlink_port_fn_state state,
+				 struct netlink_ext_ack *extack);
 };
 
 void devlink_port_init(struct devlink *devlink,

net/devlink/leftover.c

@@ -787,8 +787,7 @@ devlink_port_fn_opstate_valid(enum devlink_port_fn_opstate opstate)
 	       opstate == DEVLINK_PORT_FN_OPSTATE_ATTACHED;
 }
 
-static int devlink_port_fn_state_fill(const struct devlink_ops *ops,
-				      struct devlink_port *port,
+static int devlink_port_fn_state_fill(struct devlink_port *port,
 				      struct sk_buff *msg,
 				      struct netlink_ext_ack *extack,
 				      bool *msg_updated)
@@ -797,10 +796,10 @@ static int devlink_port_fn_state_fill(const struct devlink_ops *ops,
 	enum devlink_port_fn_state state;
 	int err;
 
-	if (!ops->port_fn_state_get)
+	if (!port->ops->port_fn_state_get)
 		return 0;
 
-	err = ops->port_fn_state_get(port, &state, &opstate, extack);
+	err = port->ops->port_fn_state_get(port, &state, &opstate, extack);
 	if (err) {
 		if (err == -EOPNOTSUPP)
 			return 0;
@@ -870,7 +869,6 @@ static int
 devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *port,
 				   struct netlink_ext_ack *extack)
 {
-	const struct devlink_ops *ops;
 	struct nlattr *function_attr;
 	bool msg_updated = false;
 	int err;
@@ -879,14 +877,13 @@ devlink_nl_port_function_attrs_put(struct sk_buff *msg, struct devlink_port *por
 	if (!function_attr)
 		return -EMSGSIZE;
 
-	ops = port->devlink->ops;
 	err = devlink_port_fn_hw_addr_fill(port, msg, extack, &msg_updated);
 	if (err)
 		goto out;
 	err = devlink_port_fn_caps_fill(port, msg, extack, &msg_updated);
 	if (err)
 		goto out;
-	err = devlink_port_fn_state_fill(ops, port, msg, extack, &msg_updated);
+	err = devlink_port_fn_state_fill(port, msg, extack, &msg_updated);
 out:
 	if (err || !msg_updated)
 		nla_nest_cancel(msg, function_attr);
@@ -1179,18 +1176,15 @@ static int devlink_port_fn_state_set(struct devlink_port *port,
 				     struct netlink_ext_ack *extack)
 {
 	enum devlink_port_fn_state state;
-	const struct devlink_ops *ops;
 
 	state = nla_get_u8(attr);
-	ops = port->devlink->ops;
-	return ops->port_fn_state_set(port, state, extack);
+	return port->ops->port_fn_state_set(port, state, extack);
 }
 
 static int devlink_port_function_validate(struct devlink_port *devlink_port,
 					  struct nlattr **tb,
 					  struct netlink_ext_ack *extack)
 {
-	const struct devlink_ops *ops = devlink_port->devlink->ops;
 	struct nlattr *attr;
 
 	if (tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR] &&
@@ -1199,7 +1193,8 @@ static int devlink_port_function_validate(struct devlink_port *devlink_port,
 				    "Port doesn't support function attributes");
 		return -EOPNOTSUPP;
 	}
-	if (tb[DEVLINK_PORT_FN_ATTR_STATE] && !ops->port_fn_state_set) {
+	if (tb[DEVLINK_PORT_FN_ATTR_STATE] &&
+	    !devlink_port->ops->port_fn_state_set) {
 		NL_SET_ERR_MSG_ATTR(extack, tb[DEVLINK_PORT_FUNCTION_ATTR_HW_ADDR],
 				    "Function does not support state setting");
 		return -EOPNOTSUPP;