diff --git a/Documentation/networking/devlink/devlink-params.rst b/Documentation/networking/devlink/devlink-params.rst
index 54c9f107c4b0..4878907e9232 100644
--- a/Documentation/networking/devlink/devlink-params.rst
+++ b/Documentation/networking/devlink/devlink-params.rst
@@ -97,6 +97,18 @@ own name.
    * - ``enable_roce``
      - Boolean
      - Enable handling of RoCE traffic in the device.
+   * - ``enable_eth``
+     - Boolean
+     - When enabled, the device driver will instantiate Ethernet specific
+       auxiliary device of the devlink device.
+   * - ``enable_rdma``
+     - Boolean
+     - When enabled, the device driver will instantiate RDMA specific
+       auxiliary device of the devlink device.
+   * - ``enable_vnet``
+     - Boolean
+     - When enabled, the device driver will instantiate VDPA networking
+       specific auxiliary device of the devlink device.
    * - ``internal_err_reset``
      - Boolean
      - When enabled, the device driver will reset the device on internal
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
index def2156e50ee..ff6b03dc7e32 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
@@ -53,7 +53,7 @@ static bool is_eth_rep_supported(struct mlx5_core_dev *dev)
 	return true;
 }
 
-static bool is_eth_supported(struct mlx5_core_dev *dev)
+bool mlx5_eth_supported(struct mlx5_core_dev *dev)
 {
 	if (!IS_ENABLED(CONFIG_MLX5_CORE_EN))
 		return false;
@@ -105,7 +105,18 @@ static bool is_eth_supported(struct mlx5_core_dev *dev)
 	return true;
 }
 
-static bool is_vnet_supported(struct mlx5_core_dev *dev)
+static bool is_eth_enabled(struct mlx5_core_dev *dev)
+{
+	union devlink_param_value val;
+	int err;
+
+	err = devlink_param_driverinit_value_get(priv_to_devlink(dev),
+						 DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
+						 &val);
+	return err ? false : val.vbool;
+}
+
+bool mlx5_vnet_supported(struct mlx5_core_dev *dev)
 {
 	if (!IS_ENABLED(CONFIG_MLX5_VDPA_NET))
 		return false;
@@ -127,6 +138,17 @@ static bool is_vnet_supported(struct mlx5_core_dev *dev)
 	return true;
 }
 
+static bool is_vnet_enabled(struct mlx5_core_dev *dev)
+{
+	union devlink_param_value val;
+	int err;
+
+	err = devlink_param_driverinit_value_get(priv_to_devlink(dev),
+						 DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
+						 &val);
+	return err ? false : val.vbool;
+}
+
 static bool is_ib_rep_supported(struct mlx5_core_dev *dev)
 {
 	if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND))
@@ -170,7 +192,7 @@ static bool is_mp_supported(struct mlx5_core_dev *dev)
 	return true;
 }
 
-static bool is_ib_supported(struct mlx5_core_dev *dev)
+bool mlx5_rdma_supported(struct mlx5_core_dev *dev)
 {
 	if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND))
 		return false;
@@ -187,6 +209,17 @@ static bool is_ib_supported(struct mlx5_core_dev *dev)
 	return true;
 }
 
+static bool is_ib_enabled(struct mlx5_core_dev *dev)
+{
+	union devlink_param_value val;
+	int err;
+
+	err = devlink_param_driverinit_value_get(priv_to_devlink(dev),
+						 DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
+						 &val);
+	return err ? false : val.vbool;
+}
+
 enum {
 	MLX5_INTERFACE_PROTOCOL_ETH,
 	MLX5_INTERFACE_PROTOCOL_ETH_REP,
@@ -201,13 +234,17 @@ enum {
 static const struct mlx5_adev_device {
 	const char *suffix;
 	bool (*is_supported)(struct mlx5_core_dev *dev);
+	bool (*is_enabled)(struct mlx5_core_dev *dev);
 } mlx5_adev_devices[] = {
 	[MLX5_INTERFACE_PROTOCOL_VNET] = { .suffix = "vnet",
-					   .is_supported = &is_vnet_supported },
+					   .is_supported = &mlx5_vnet_supported,
+					   .is_enabled = &is_vnet_enabled },
 	[MLX5_INTERFACE_PROTOCOL_IB] = { .suffix = "rdma",
-					 .is_supported = &is_ib_supported },
+					 .is_supported = &mlx5_rdma_supported,
+					 .is_enabled = &is_ib_enabled },
 	[MLX5_INTERFACE_PROTOCOL_ETH] = { .suffix = "eth",
-					  .is_supported = &is_eth_supported },
+					  .is_supported = &mlx5_eth_supported,
+					  .is_enabled = &is_eth_enabled },
 	[MLX5_INTERFACE_PROTOCOL_ETH_REP] = { .suffix = "eth-rep",
 					   .is_supported = &is_eth_rep_supported },
 	[MLX5_INTERFACE_PROTOCOL_IB_REP] = { .suffix = "rdma-rep",
@@ -308,6 +345,14 @@ int mlx5_attach_device(struct mlx5_core_dev *dev)
 		if (!priv->adev[i]) {
 			bool is_supported = false;
 
+			if (mlx5_adev_devices[i].is_enabled) {
+				bool enabled;
+
+				enabled = mlx5_adev_devices[i].is_enabled(dev);
+				if (!enabled)
+					continue;
+			}
+
 			if (mlx5_adev_devices[i].is_supported)
 				is_supported = mlx5_adev_devices[i].is_supported(dev);
 
@@ -360,6 +405,14 @@ void mlx5_detach_device(struct mlx5_core_dev *dev)
 		if (!priv->adev[i])
 			continue;
 
+		if (mlx5_adev_devices[i].is_enabled) {
+			bool enabled;
+
+			enabled = mlx5_adev_devices[i].is_enabled(dev);
+			if (!enabled)
+				goto skip_suspend;
+		}
+
 		adev = &priv->adev[i]->adev;
 		/* Auxiliary driver was unbind manually through sysfs */
 		if (!adev->dev.driver)
@@ -447,12 +500,21 @@ static void delete_drivers(struct mlx5_core_dev *dev)
 		if (!priv->adev[i])
 			continue;
 
+		if (mlx5_adev_devices[i].is_enabled) {
+			bool enabled;
+
+			enabled = mlx5_adev_devices[i].is_enabled(dev);
+			if (!enabled)
+				goto del_adev;
+		}
+
 		if (mlx5_adev_devices[i].is_supported && !delete_all)
 			is_supported = mlx5_adev_devices[i].is_supported(dev);
 
 		if (is_supported)
 			continue;
 
+del_adev:
 		del_adev(&priv->adev[i]->adev);
 		priv->adev[i] = NULL;
 	}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
index f38553ff538b..6f4d7c7f06e0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c
@@ -596,6 +596,157 @@ static void mlx5_devlink_set_params_init_values(struct devlink *devlink)
 #endif
 }
 
+static const struct devlink_param enable_eth_param =
+	DEVLINK_PARAM_GENERIC(ENABLE_ETH, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
+			      NULL, NULL, NULL);
+
+static int mlx5_devlink_eth_param_register(struct devlink *devlink)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+	union devlink_param_value value;
+	int err;
+
+	if (!mlx5_eth_supported(dev))
+		return 0;
+
+	err = devlink_param_register(devlink, &enable_eth_param);
+	if (err)
+		return err;
+
+	value.vbool = true;
+	devlink_param_driverinit_value_set(devlink,
+					   DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
+					   value);
+	devlink_param_publish(devlink, &enable_eth_param);
+	return 0;
+}
+
+static void mlx5_devlink_eth_param_unregister(struct devlink *devlink)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+
+	if (!mlx5_eth_supported(dev))
+		return;
+
+	devlink_param_unpublish(devlink, &enable_eth_param);
+	devlink_param_unregister(devlink, &enable_eth_param);
+}
+
+static int mlx5_devlink_enable_rdma_validate(struct devlink *devlink, u32 id,
+					     union devlink_param_value val,
+					     struct netlink_ext_ack *extack)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+	bool new_state = val.vbool;
+
+	if (new_state && !mlx5_rdma_supported(dev))
+		return -EOPNOTSUPP;
+	return 0;
+}
+
+static const struct devlink_param enable_rdma_param =
+	DEVLINK_PARAM_GENERIC(ENABLE_RDMA, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
+			      NULL, NULL, mlx5_devlink_enable_rdma_validate);
+
+static int mlx5_devlink_rdma_param_register(struct devlink *devlink)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+	union devlink_param_value value;
+	int err;
+
+	if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND) || MLX5_ESWITCH_MANAGER(dev))
+		return 0;
+
+	err = devlink_param_register(devlink, &enable_rdma_param);
+	if (err)
+		return err;
+
+	value.vbool = true;
+	devlink_param_driverinit_value_set(devlink,
+					   DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
+					   value);
+	devlink_param_publish(devlink, &enable_rdma_param);
+	return 0;
+}
+
+static void mlx5_devlink_rdma_param_unregister(struct devlink *devlink)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+
+	if (!IS_ENABLED(CONFIG_MLX5_INFINIBAND) || MLX5_ESWITCH_MANAGER(dev))
+		return;
+
+	devlink_param_unpublish(devlink, &enable_rdma_param);
+	devlink_param_unregister(devlink, &enable_rdma_param);
+}
+
+static const struct devlink_param enable_vnet_param =
+	DEVLINK_PARAM_GENERIC(ENABLE_VNET, BIT(DEVLINK_PARAM_CMODE_DRIVERINIT),
+			      NULL, NULL, NULL);
+
+static int mlx5_devlink_vnet_param_register(struct devlink *devlink)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+	union devlink_param_value value;
+	int err;
+
+	if (!mlx5_vnet_supported(dev))
+		return 0;
+
+	err = devlink_param_register(devlink, &enable_vnet_param);
+	if (err)
+		return err;
+
+	value.vbool = true;
+	devlink_param_driverinit_value_set(devlink,
+					   DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
+					   value);
+	devlink_param_publish(devlink, &enable_rdma_param);
+	return 0;
+}
+
+static void mlx5_devlink_vnet_param_unregister(struct devlink *devlink)
+{
+	struct mlx5_core_dev *dev = devlink_priv(devlink);
+
+	if (!mlx5_vnet_supported(dev))
+		return;
+
+	devlink_param_unpublish(devlink, &enable_vnet_param);
+	devlink_param_unregister(devlink, &enable_vnet_param);
+}
+
+static int mlx5_devlink_auxdev_params_register(struct devlink *devlink)
+{
+	int err;
+
+	err = mlx5_devlink_eth_param_register(devlink);
+	if (err)
+		return err;
+
+	err = mlx5_devlink_rdma_param_register(devlink);
+	if (err)
+		goto rdma_err;
+
+	err = mlx5_devlink_vnet_param_register(devlink);
+	if (err)
+		goto vnet_err;
+	return 0;
+
+vnet_err:
+	mlx5_devlink_rdma_param_unregister(devlink);
+rdma_err:
+	mlx5_devlink_eth_param_unregister(devlink);
+	return err;
+}
+
+static void mlx5_devlink_auxdev_params_unregister(struct devlink *devlink)
+{
+	mlx5_devlink_vnet_param_unregister(devlink);
+	mlx5_devlink_rdma_param_unregister(devlink);
+	mlx5_devlink_eth_param_unregister(devlink);
+}
+
 #define MLX5_TRAP_DROP(_id, _group_id)					\
 	DEVLINK_TRAP_GENERIC(DROP, DROP, _id,				\
 			     DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
@@ -654,6 +805,10 @@ int mlx5_devlink_register(struct devlink *devlink)
 	mlx5_devlink_set_params_init_values(devlink);
 	devlink_params_publish(devlink);
 
+	err = mlx5_devlink_auxdev_params_register(devlink);
+	if (err)
+		goto auxdev_reg_err;
+
 	err = mlx5_devlink_traps_register(devlink);
 	if (err)
 		goto traps_reg_err;
@@ -661,6 +816,8 @@ int mlx5_devlink_register(struct devlink *devlink)
 	return 0;
 
 traps_reg_err:
+	mlx5_devlink_auxdev_params_unregister(devlink);
+auxdev_reg_err:
 	devlink_params_unregister(devlink, mlx5_devlink_params,
 				  ARRAY_SIZE(mlx5_devlink_params));
 params_reg_err:
@@ -671,6 +828,8 @@ params_reg_err:
 void mlx5_devlink_unregister(struct devlink *devlink)
 {
 	mlx5_devlink_traps_unregister(devlink);
+	mlx5_devlink_auxdev_params_unregister(devlink);
+	devlink_params_unpublish(devlink);
 	devlink_params_unregister(devlink, mlx5_devlink_params,
 				  ARRAY_SIZE(mlx5_devlink_params));
 	devlink_unregister(devlink);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
index 14ffd74eeabe..3d23c6f77ed1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h
@@ -272,4 +272,9 @@ static inline u32 mlx5_sriov_get_vf_total_msix(struct pci_dev *pdev)
 
 	return MLX5_CAP_GEN_MAX(dev, num_total_dynamic_vf_msix);
 }
+
+bool mlx5_eth_supported(struct mlx5_core_dev *dev);
+bool mlx5_rdma_supported(struct mlx5_core_dev *dev);
+bool mlx5_vnet_supported(struct mlx5_core_dev *dev);
+
 #endif /* __MLX5_CORE_H__ */
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 0236c77f2fd0..1151497c0ec5 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -519,6 +519,9 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_RESET_DEV_ON_DRV_PROBE,
 	DEVLINK_PARAM_GENERIC_ID_ENABLE_ROCE,
 	DEVLINK_PARAM_GENERIC_ID_ENABLE_REMOTE_DEV_RESET,
+	DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
+	DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
+	DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -559,6 +562,15 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME "enable_remote_dev_reset"
 #define DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE DEVLINK_PARAM_TYPE_BOOL
 
+#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME "enable_eth"
+#define DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME "enable_rdma"
+#define DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE DEVLINK_PARAM_TYPE_BOOL
+
+#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME "enable_vnet"
+#define DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE DEVLINK_PARAM_TYPE_BOOL
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
@@ -1633,8 +1645,16 @@ int devlink_params_register(struct devlink *devlink,
 void devlink_params_unregister(struct devlink *devlink,
 			       const struct devlink_param *params,
 			       size_t params_count);
+int devlink_param_register(struct devlink *devlink,
+			   const struct devlink_param *param);
+void devlink_param_unregister(struct devlink *devlink,
+			      const struct devlink_param *param);
 void devlink_params_publish(struct devlink *devlink);
 void devlink_params_unpublish(struct devlink *devlink);
+void devlink_param_publish(struct devlink *devlink,
+			   const struct devlink_param *param);
+void devlink_param_unpublish(struct devlink *devlink,
+			     const struct devlink_param *param);
 int devlink_port_params_register(struct devlink_port *devlink_port,
 				 const struct devlink_param *params,
 				 size_t params_count);
diff --git a/net/core/devlink.c b/net/core/devlink.c
index b02d54ab59ac..ee9787314cff 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -4277,6 +4277,21 @@ static const struct devlink_param devlink_param_generic[] = {
 		.name = DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_NAME,
 		.type = DEVLINK_PARAM_GENERIC_ENABLE_REMOTE_DEV_RESET_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_ETH,
+		.name = DEVLINK_PARAM_GENERIC_ENABLE_ETH_NAME,
+		.type = DEVLINK_PARAM_GENERIC_ENABLE_ETH_TYPE,
+	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_RDMA,
+		.name = DEVLINK_PARAM_GENERIC_ENABLE_RDMA_NAME,
+		.type = DEVLINK_PARAM_GENERIC_ENABLE_RDMA_TYPE,
+	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_ENABLE_VNET,
+		.name = DEVLINK_PARAM_GENERIC_ENABLE_VNET_NAME,
+		.type = DEVLINK_PARAM_GENERIC_ENABLE_VNET_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)
@@ -9785,6 +9800,22 @@ static int devlink_param_verify(const struct devlink_param *param)
 		return devlink_param_driver_verify(param);
 }
 
+static int __devlink_param_register_one(struct devlink *devlink,
+					unsigned int port_index,
+					struct list_head *param_list,
+					const struct devlink_param *param,
+					enum devlink_command reg_cmd)
+{
+	int err;
+
+	err = devlink_param_verify(param);
+	if (err)
+		return err;
+
+	return devlink_param_register_one(devlink, port_index,
+					  param_list, param, reg_cmd);
+}
+
 static int __devlink_params_register(struct devlink *devlink,
 				     unsigned int port_index,
 				     struct list_head *param_list,
@@ -9799,12 +9830,8 @@ static int __devlink_params_register(struct devlink *devlink,
 
 	mutex_lock(&devlink->lock);
 	for (i = 0; i < params_count; i++, param++) {
-		err = devlink_param_verify(param);
-		if (err)
-			goto rollback;
-
-		err = devlink_param_register_one(devlink, port_index,
-						 param_list, param, reg_cmd);
+		err = __devlink_param_register_one(devlink, port_index,
+						   param_list, param, reg_cmd);
 		if (err)
 			goto rollback;
 	}
@@ -9876,6 +9903,43 @@ void devlink_params_unregister(struct devlink *devlink,
 }
 EXPORT_SYMBOL_GPL(devlink_params_unregister);
 
+/**
+ * devlink_param_register - register one configuration parameter
+ *
+ * @devlink: devlink
+ * @param: one configuration parameter
+ *
+ * Register the configuration parameter supported by the driver.
+ * Return: returns 0 on successful registration or error code otherwise.
+ */
+int devlink_param_register(struct devlink *devlink,
+			   const struct devlink_param *param)
+{
+	int err;
+
+	mutex_lock(&devlink->lock);
+	err = __devlink_param_register_one(devlink, 0, &devlink->param_list,
+					   param, DEVLINK_CMD_PARAM_NEW);
+	mutex_unlock(&devlink->lock);
+	return err;
+}
+EXPORT_SYMBOL_GPL(devlink_param_register);
+
+/**
+ * devlink_param_unregister - unregister one configuration parameter
+ * @devlink: devlink
+ * @param: configuration parameter to unregister
+ */
+void devlink_param_unregister(struct devlink *devlink,
+			      const struct devlink_param *param)
+{
+	mutex_lock(&devlink->lock);
+	devlink_param_unregister_one(devlink, 0, &devlink->param_list, param,
+				     DEVLINK_CMD_PARAM_DEL);
+	mutex_unlock(&devlink->lock);
+}
+EXPORT_SYMBOL_GPL(devlink_param_unregister);
+
 /**
  *	devlink_params_publish - publish configuration parameters
  *
@@ -9918,6 +9982,54 @@ void devlink_params_unpublish(struct devlink *devlink)
 }
 EXPORT_SYMBOL_GPL(devlink_params_unpublish);
 
+/**
+ * devlink_param_publish - publish one configuration parameter
+ *
+ * @devlink: devlink
+ * @param: one configuration parameter
+ *
+ * Publish previously registered configuration parameter.
+ */
+void devlink_param_publish(struct devlink *devlink,
+			   const struct devlink_param *param)
+{
+	struct devlink_param_item *param_item;
+
+	list_for_each_entry(param_item, &devlink->param_list, list) {
+		if (param_item->param != param || param_item->published)
+			continue;
+		param_item->published = true;
+		devlink_param_notify(devlink, 0, param_item,
+				     DEVLINK_CMD_PARAM_NEW);
+		break;
+	}
+}
+EXPORT_SYMBOL_GPL(devlink_param_publish);
+
+/**
+ * devlink_param_unpublish - unpublish one configuration parameter
+ *
+ * @devlink: devlink
+ * @param: one configuration parameter
+ *
+ * Unpublish previously registered configuration parameter.
+ */
+void devlink_param_unpublish(struct devlink *devlink,
+			     const struct devlink_param *param)
+{
+	struct devlink_param_item *param_item;
+
+	list_for_each_entry(param_item, &devlink->param_list, list) {
+		if (param_item->param != param || !param_item->published)
+			continue;
+		param_item->published = false;
+		devlink_param_notify(devlink, 0, param_item,
+				     DEVLINK_CMD_PARAM_DEL);
+		break;
+	}
+}
+EXPORT_SYMBOL_GPL(devlink_param_unpublish);
+
 /**
  *	devlink_port_params_register - register port configuration parameters
  *