dsa: set devlink port attrs for dsa ports

Set the attrs and allow to expose port flavour to user via devlink.
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/dsa/dsa2.c

@@ -270,7 +270,28 @@ static int dsa_port_setup(struct dsa_port *dp)
 	case DSA_PORT_TYPE_UNUSED:
 		break;
 	case DSA_PORT_TYPE_CPU:
+		/* dp->index is used now as port_number. However
+		 * CPU ports should have separate numbering
+		 * independent from front panel port numbers.
+		 */
+		devlink_port_attrs_set(&dp->devlink_port,
+				       DEVLINK_PORT_FLAVOUR_CPU,
+				       dp->index, false, 0);
+		err = dsa_port_link_register_of(dp);
+		if (err) {
+			dev_err(ds->dev, "failed to setup link for port %d.%d\n",
+				ds->index, dp->index);
+			return err;
+		}
+		break;
 	case DSA_PORT_TYPE_DSA:
+		/* dp->index is used now as port_number. However
+		 * DSA ports should have separate numbering
+		 * independent from front panel port numbers.
+		 */
+		devlink_port_attrs_set(&dp->devlink_port,
+				       DEVLINK_PORT_FLAVOUR_DSA,
+				       dp->index, false, 0);
 		err = dsa_port_link_register_of(dp);
 		if (err) {
 			dev_err(ds->dev, "failed to setup link for port %d.%d\n",
@@ -279,6 +300,9 @@ static int dsa_port_setup(struct dsa_port *dp)
 		}
 		break;
 	case DSA_PORT_TYPE_USER:
+		devlink_port_attrs_set(&dp->devlink_port,
+				       DEVLINK_PORT_FLAVOUR_PHYSICAL,
+				       dp->index, false, 0);
 		err = dsa_slave_create(dp);
 		if (err)
 			dev_err(ds->dev, "failed to create slave for port %d.%d\n",