4 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index da54363b5c92..552b1f7bde17 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -810,3 +810,25 @@ const struct dsa_switch_ops felix_switch_ops = {
 	.cls_flower_stats	= felix_cls_flower_stats,
 	.port_setup_tc		= felix_port_setup_tc,
 };
+
+struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port)
+{
+	struct felix *felix = ocelot_to_felix(ocelot);
+	struct dsa_switch *ds = felix->ds;
+
+	if (!dsa_is_user_port(ds, port))
+		return NULL;
+
+	return dsa_to_port(ds, port)->slave;
+}
+
+int felix_netdev_to_port(struct net_device *dev)
+{
+	struct dsa_port *dp;
+
+	dp = dsa_port_from_netdev(dev);
+	if (IS_ERR(dp))
+		return -EINVAL;
+
+	return dp->index;
+}
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
index d5f46784306e..4c717324ac2f 100644
--- a/drivers/net/dsa/ocelot/felix.h
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -52,4 +52,7 @@ struct felix {
 	resource_size_t			imdio_base;
 };
 
+struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
+int felix_netdev_to_port(struct net_device *dev);
+
 #endif
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 738e61820ccb..bfbf811b060f 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1006,6 +1006,8 @@ static u16 vsc9959_wm_enc(u16 value)
 static const struct ocelot_ops vsc9959_ops = {
 	.reset			= vsc9959_reset,
 	.wm_enc			= vsc9959_wm_enc,
+	.port_to_netdev		= felix_port_to_netdev,
+	.netdev_to_port		= felix_netdev_to_port,
 };
 
 static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index 579eb7f2a71b..f9b7507a4eb3 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -1058,6 +1058,8 @@ static u16 vsc9953_wm_enc(u16 value)
 static const struct ocelot_ops vsc9953_ops = {
 	.reset			= vsc9953_reset,
 	.wm_enc			= vsc9953_wm_enc,
+	.port_to_netdev		= felix_port_to_netdev,
+	.netdev_to_port		= felix_netdev_to_port,
 };
 
 static int vsc9953_mdio_bus_alloc(struct ocelot *ocelot)