* @return
* 0 on success and port_id is filled, negative on error
*/
+__rte_deprecated
int rte_eth_dev_attach(const char *devargs, uint16_t *port_id);
/**
* @return
* 0 on success and devname is filled, negative on error
*/
+__rte_deprecated
int rte_eth_dev_detach(uint16_t port_id, char *devname);
/**