4 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 2e728543e840..b5834525c5f0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -64,6 +64,7 @@
 #include <linux/vmalloc.h>
 #include <linux/ktime.h>
 
+#include <net/switchdev.h>
 #include <net/vxlan.h>
 
 #include "nfpcore/nfp_nsp.h"
@@ -3703,6 +3704,8 @@ static void nfp_net_netdev_init(struct nfp_net *nn)
 	netdev->netdev_ops = &nfp_net_netdev_ops;
 	netdev->watchdog_timeo = msecs_to_jiffies(5 * 1000);
 
+	SWITCHDEV_SET_OPS(netdev, &nfp_port_switchdev_ops);
+
 	/* MTU range: 68 - hw-specific max */
 	netdev->min_mtu = ETH_MIN_MTU;
 	netdev->max_mtu = nn->max_mtu;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
index 046b89eb4cf2..bc9108071e5b 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_repr.c
@@ -35,6 +35,7 @@
 #include <linux/io-64-nonatomic-hi-lo.h>
 #include <linux/lockdep.h>
 #include <net/dst_metadata.h>
+#include <net/switchdev.h>
 
 #include "nfpcore/nfp_cpp.h"
 #include "nfpcore/nfp_nsp.h"
@@ -299,6 +300,7 @@ int nfp_repr_init(struct nfp_app *app, struct net_device *netdev,
 	repr->dst->u.port_info.lower_dev = pf_netdev;
 
 	netdev->netdev_ops = &nfp_repr_netdev_ops;
+	SWITCHDEV_SET_OPS(netdev, &nfp_port_switchdev_ops);
 
 	err = register_netdev(netdev);
 	if (err)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_port.c b/drivers/net/ethernet/netronome/nfp/nfp_port.c
index 0b44952945d8..3aa834fb2250 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_port.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_port.c
@@ -32,6 +32,7 @@
  */
 
 #include <linux/lockdep.h>
+#include <net/switchdev.h>
 
 #include "nfpcore/nfp_cpp.h"
 #include "nfpcore/nfp_nsp.h"
@@ -59,6 +60,34 @@ struct nfp_port *nfp_port_from_netdev(struct net_device *netdev)
 	return NULL;
 }
 
+static int
+nfp_port_attr_get(struct net_device *netdev, struct switchdev_attr *attr)
+{
+	struct nfp_port *port;
+
+	port = nfp_port_from_netdev(netdev);
+	if (!port)
+		return -EOPNOTSUPP;
+
+	switch (attr->id) {
+	case SWITCHDEV_ATTR_ID_PORT_PARENT_ID: {
+		const u8 *serial;
+		/* N.B: attr->u.ppid.id is binary data */
+		attr->u.ppid.id_len = nfp_cpp_serial(port->app->cpp, &serial);
+		memcpy(&attr->u.ppid.id, serial, attr->u.ppid.id_len);
+		break;
+	}
+	default:
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+const struct switchdev_ops nfp_port_switchdev_ops = {
+	.switchdev_port_attr_get	= nfp_port_attr_get,
+};
+
 struct nfp_port *
 nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id)
 {
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_port.h b/drivers/net/ethernet/netronome/nfp/nfp_port.h
index 57d852a4ca59..1ceef5d4a744 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_port.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_port.h
@@ -106,6 +106,8 @@ struct nfp_port {
 	struct list_head port_list;
 };
 
+extern const struct switchdev_ops nfp_port_switchdev_ops;
+
 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
 struct nfp_port *
 nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id);