nfp: wire get_phys_port_name on representors

Make nfp_port_get_phys_port_name() support new port types and
wire it up to representors' struct net_device_ops.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/nfp_net_repr.c

@@ -256,6 +256,7 @@ const struct net_device_ops nfp_repr_netdev_ops = {
 	.ndo_get_stats64	= nfp_repr_get_stats64,
 	.ndo_has_offload_stats	= nfp_repr_has_offload_stats,
 	.ndo_get_offload_stats	= nfp_repr_get_offload_stats,
+	.ndo_get_phys_port_name	= nfp_port_get_phys_port_name,
 };
 
 static void nfp_repr_clean(struct nfp_repr *repr)

drivers/net/ethernet/netronome/nfp/nfp_port.c

@@ -106,15 +106,31 @@ nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len)
 	int n;
 
 	port = nfp_port_from_netdev(netdev);
-	eth_port = __nfp_port_get_eth_port(port);
-	if (!eth_port)
+	if (!port)
+		return -EOPNOTSUPP;
+
+	switch (port->type) {
+	case NFP_PORT_PHYS_PORT:
+		eth_port = __nfp_port_get_eth_port(port);
+		if (!eth_port)
+			return -EOPNOTSUPP;
+
+		if (!eth_port->is_split)
+			n = snprintf(name, len, "p%d", eth_port->label_port);
+		else
+			n = snprintf(name, len, "p%ds%d", eth_port->label_port,
+				     eth_port->label_subport);
+		break;
+	case NFP_PORT_PF_PORT:
+		n = snprintf(name, len, "pf%d", port->pf_id);
+		break;
+	case NFP_PORT_VF_PORT:
+		n = snprintf(name, len, "pf%dvf%d", port->pf_id, port->vf_id);
+		break;
+	default:
 		return -EOPNOTSUPP;
+	}
 
-	if (!eth_port->is_split)
-		n = snprintf(name, len, "p%d", eth_port->label_port);
-	else
-		n = snprintf(name, len, "p%ds%d", eth_port->label_port,
-			     eth_port->label_subport);
 	if (n >= len)
 		return -EINVAL;