diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.c b/drivers/net/ethernet/intel/ice/devlink/devlink.c
index 3fb3a7e828a4..c1fe3726f6c0 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink.c
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink.c
@@ -10,6 +10,7 @@
 #include "ice_eswitch.h"
 #include "ice_fw_update.h"
 #include "ice_dcb_lib.h"
+#include "ice_sf_eth.h"
 
 /* context for devlink info version reporting */
 struct ice_info_ctx {
@@ -1282,6 +1283,8 @@ static const struct devlink_ops ice_devlink_ops = {
 	.port_new = ice_devlink_port_new,
 };
 
+static const struct devlink_ops ice_sf_devlink_ops;
+
 static int
 ice_devlink_enable_roce_get(struct devlink *devlink, u32 id,
 			    struct devlink_param_gset_ctx *ctx)
@@ -1419,6 +1422,7 @@ static void ice_devlink_free(void *devlink_ptr)
  * Allocate a devlink instance for this device and return the private area as
  * the PF structure. The devlink memory is kept track of through devres by
  * adding an action to remove it when unwinding.
+ *
  */
 struct ice_pf *ice_allocate_pf(struct device *dev)
 {
@@ -1435,6 +1439,35 @@ struct ice_pf *ice_allocate_pf(struct device *dev)
 	return devlink_priv(devlink);
 }
 
+/**
+ * ice_allocate_sf - Allocate devlink and return SF structure pointer
+ * @dev: the device to allocate for
+ * @pf: pointer to the PF structure
+ *
+ * Allocate a devlink instance for SF.
+ *
+ * Return: void pointer to allocated memory
+ */
+struct ice_sf_priv *ice_allocate_sf(struct device *dev, struct ice_pf *pf)
+{
+	struct devlink *devlink;
+	int err;
+
+	devlink = devlink_alloc_ns(&ice_sf_devlink_ops,
+				   sizeof(struct ice_sf_priv),
+				   devlink_net(priv_to_devlink(pf)), dev);
+	if (!devlink)
+		return NULL;
+
+	err = devl_nested_devlink_set(priv_to_devlink(pf), devlink);
+	if (err) {
+		devlink_free(devlink);
+		return ERR_PTR(err);
+	}
+
+	return devlink_priv(devlink);
+}
+
 /**
  * ice_devlink_register - Register devlink interface for this PF
  * @pf: the PF to register the devlink for.
diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink.h b/drivers/net/ethernet/intel/ice/devlink/devlink.h
index d291c0e2e17b..1af3b0763fbb 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink.h
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink.h
@@ -5,6 +5,7 @@
 #define _ICE_DEVLINK_H_
 
 struct ice_pf *ice_allocate_pf(struct device *dev);
+struct ice_sf_priv *ice_allocate_sf(struct device *dev, struct ice_pf *pf);
 
 void ice_devlink_register(struct ice_pf *pf);
 void ice_devlink_unregister(struct ice_pf *pf);
diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
index 995c11f71b3f..eb552c1b1216 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.c
@@ -432,6 +432,56 @@ void ice_devlink_destroy_vf_port(struct ice_vf *vf)
 	devl_port_unregister(&vf->devlink_port);
 }
 
+/**
+ * ice_devlink_create_sf_dev_port - Register virtual port for a subfunction
+ * @sf_dev: the subfunction device to create a devlink port for
+ *
+ * Register virtual flavour devlink port for the subfunction auxiliary device
+ * created after activating a dynamically added devlink port.
+ *
+ * Return: zero on success or an error code on failure.
+ */
+int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev)
+{
+	struct devlink_port_attrs attrs = {};
+	struct devlink_port *devlink_port;
+	struct ice_dynamic_port *dyn_port;
+	struct devlink *devlink;
+	struct ice_vsi *vsi;
+	struct device *dev;
+	struct ice_pf *pf;
+	int err;
+
+	dyn_port = sf_dev->dyn_port;
+	vsi = dyn_port->vsi;
+	pf = dyn_port->pf;
+	dev = ice_pf_to_dev(pf);
+
+	devlink_port = &sf_dev->priv->devlink_port;
+
+	attrs.flavour = DEVLINK_PORT_FLAVOUR_VIRTUAL;
+
+	devlink_port_attrs_set(devlink_port, &attrs);
+	devlink = priv_to_devlink(sf_dev->priv);
+
+	err = devl_port_register(devlink, devlink_port, vsi->idx);
+	if (err)
+		dev_err(dev, "Failed to create virtual devlink port for auxiliary subfunction device");
+
+	return err;
+}
+
+/**
+ * ice_devlink_destroy_sf_dev_port - Destroy virtual port for a subfunction
+ * @sf_dev: the subfunction device to create a devlink port for
+ *
+ * Unregisters the virtual port associated with this subfunction.
+ */
+void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev)
+{
+	devl_port_unregister(&sf_dev->priv->devlink_port);
+}
+
 /**
  * ice_dealloc_dynamic_port - Deallocate and remove a dynamic port
  * @dyn_port: dynamic port instance to deallocate
diff --git a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h
index f20d7cc522a6..e4acd855d9f9 100644
--- a/drivers/net/ethernet/intel/ice/devlink/devlink_port.h
+++ b/drivers/net/ethernet/intel/ice/devlink/devlink_port.h
@@ -5,6 +5,7 @@
 #define _DEVLINK_PORT_H_
 
 #include "../ice.h"
+#include "../ice_sf_eth.h"
 
 /**
  * struct ice_dynamic_port - Track dynamically added devlink port instance
@@ -33,6 +34,8 @@ int ice_devlink_create_vf_port(struct ice_vf *vf);
 void ice_devlink_destroy_vf_port(struct ice_vf *vf);
 int ice_devlink_create_sf_port(struct ice_dynamic_port *dyn_port);
 void ice_devlink_destroy_sf_port(struct ice_dynamic_port *dyn_port);
+int ice_devlink_create_sf_dev_port(struct ice_sf_dev *sf_dev);
+void ice_devlink_destroy_sf_dev_port(struct ice_sf_dev *sf_dev);
 
 #define ice_devlink_port_to_dyn(p) \
 	container_of(port, struct ice_dynamic_port, devlink_port)
diff --git a/drivers/net/ethernet/intel/ice/ice_sf_eth.h b/drivers/net/ethernet/intel/ice/ice_sf_eth.h
new file mode 100644
index 000000000000..a08f8b2bceef
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_sf_eth.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024, Intel Corporation. */
+
+#ifndef _ICE_SF_ETH_H_
+#define _ICE_SF_ETH_H_
+
+#include <linux/auxiliary_bus.h>
+#include "ice.h"
+
+struct ice_sf_dev {
+	struct auxiliary_device adev;
+	struct ice_dynamic_port *dyn_port;
+	struct ice_sf_priv *priv;
+};
+
+struct ice_sf_priv {
+	struct ice_sf_dev *dev;
+	struct devlink_port devlink_port;
+};
+
+#endif /* _ICE_SF_ETH_H_ */
