*
* @param port_id
* The port identifier of the Ethernet device.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if support for promiscuous_enable() does not exist
+ * for the device.
+ * - (-ENODEV) if *port_id* invalid.
*/
-void rte_eth_promiscuous_enable(uint16_t port_id);
+int rte_eth_promiscuous_enable(uint16_t port_id);
/**
* Disable receipt in promiscuous mode for an Ethernet device.
*
* @param port_id
* The port identifier of the Ethernet device.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if support for promiscuous_disable() does not exist
+ * for the device.
+ * - (-ENODEV) if *port_id* invalid.
*/
-void rte_eth_promiscuous_disable(uint16_t port_id);
+int rte_eth_promiscuous_disable(uint16_t port_id);
/**
* Return the value of promiscuous mode for an Ethernet device.
* @param dev_info
* A pointer to a structure of type *rte_eth_dev_info* to be filled with
* the contextual information of the Ethernet device.
+ * @return
+ * - (0) if successful.
+ * - (-ENOTSUP) if support for dev_infos_get() does not exist for the device.
+ * - (-ENODEV) if *port_id* invalid.
*/
-void rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info);
+int rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info);
/**
* Retrieve the firmware version of a device.