mlxsw: Implement ndo_get_devlink_port

In order for devlink compat functions to work, implement
ndo_get_devlink_port.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/core.c

@@ -1807,6 +1807,18 @@ int mlxsw_core_port_get_phys_port_name(struct mlxsw_core *mlxsw_core,
 }
 EXPORT_SYMBOL(mlxsw_core_port_get_phys_port_name);
 
+struct devlink_port *
+mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
+				 u8 local_port)
+{
+	struct mlxsw_core_port *mlxsw_core_port =
+					&mlxsw_core->ports[local_port];
+	struct devlink_port *devlink_port = &mlxsw_core_port->devlink_port;
+
+	return devlink_port;
+}
+EXPORT_SYMBOL(mlxsw_core_port_devlink_port_get);
+
 static void mlxsw_core_buf_dump_dbg(struct mlxsw_core *mlxsw_core,
 				    const char *buf, size_t size)
 {

drivers/net/ethernet/mellanox/mlxsw/core.h

@@ -178,6 +178,9 @@ enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
 						u8 local_port);
 int mlxsw_core_port_get_phys_port_name(struct mlxsw_core *mlxsw_core,
 				       u8 local_port, char *name, size_t len);
+struct devlink_port *
+mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
+				 u8 local_port);
 
 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
 bool mlxsw_core_schedule_work(struct work_struct *work);

drivers/net/ethernet/mellanox/mlxsw/minimal.c

@@ -73,11 +73,22 @@ static int mlxsw_m_port_get_port_parent_id(struct net_device *dev,
 	return 0;
 }
 
+static struct devlink_port *
+mlxsw_m_port_get_devlink_port(struct net_device *dev)
+{
+	struct mlxsw_m_port *mlxsw_m_port = netdev_priv(dev);
+	struct mlxsw_m *mlxsw_m = mlxsw_m_port->mlxsw_m;
+
+	return mlxsw_core_port_devlink_port_get(mlxsw_m->core,
+						mlxsw_m_port->local_port);
+}
+
 static const struct net_device_ops mlxsw_m_port_netdev_ops = {
 	.ndo_open		= mlxsw_m_port_dummy_open_stop,
 	.ndo_stop		= mlxsw_m_port_dummy_open_stop,
 	.ndo_get_phys_port_name	= mlxsw_m_port_get_phys_port_name,
 	.ndo_get_port_parent_id	= mlxsw_m_port_get_port_parent_id,
+	.ndo_get_devlink_port	= mlxsw_m_port_get_devlink_port,
 };
 
 static int mlxsw_m_get_module_info(struct net_device *netdev,

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -1726,6 +1726,16 @@ static int mlxsw_sp_port_get_port_parent_id(struct net_device *dev,
 	return 0;
 }
 
+static struct devlink_port *
+mlxsw_sp_port_get_devlink_port(struct net_device *dev)
+{
+	struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
+	struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
+
+	return mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
+						mlxsw_sp_port->local_port);
+}
+
 static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
 	.ndo_open		= mlxsw_sp_port_open,
 	.ndo_stop		= mlxsw_sp_port_stop,
@@ -1742,6 +1752,7 @@ static const struct net_device_ops mlxsw_sp_port_netdev_ops = {
 	.ndo_get_phys_port_name	= mlxsw_sp_port_get_phys_port_name,
 	.ndo_set_features	= mlxsw_sp_set_features,
 	.ndo_get_port_parent_id	= mlxsw_sp_port_get_port_parent_id,
+	.ndo_get_devlink_port	= mlxsw_sp_port_get_devlink_port,
 };
 
 static void mlxsw_sp_port_get_drvinfo(struct net_device *dev,

drivers/net/ethernet/mellanox/mlxsw/switchx2.c

@@ -401,6 +401,16 @@ static int mlxsw_sx_port_get_port_parent_id(struct net_device *dev,
 	return 0;
 }
 
+static struct devlink_port *
+mlxsw_sx_port_get_devlink_port(struct net_device *dev)
+{
+	struct mlxsw_sx_port *mlxsw_sx_port = netdev_priv(dev);
+	struct mlxsw_sx *mlxsw_sx = mlxsw_sx_port->mlxsw_sx;
+
+	return mlxsw_core_port_devlink_port_get(mlxsw_sx->core,
+						mlxsw_sx_port->local_port);
+}
+
 static const struct net_device_ops mlxsw_sx_port_netdev_ops = {
 	.ndo_open		= mlxsw_sx_port_open,
 	.ndo_stop		= mlxsw_sx_port_stop,
@@ -409,6 +419,7 @@ static const struct net_device_ops mlxsw_sx_port_netdev_ops = {
 	.ndo_get_stats64	= mlxsw_sx_port_get_stats64,
 	.ndo_get_phys_port_name = mlxsw_sx_port_get_phys_port_name,
 	.ndo_get_port_parent_id	= mlxsw_sx_port_get_port_parent_id,
+	.ndo_get_devlink_port	= mlxsw_sx_port_get_devlink_port,
 };
 
 static void mlxsw_sx_port_get_drvinfo(struct net_device *dev,