int (*link_update)(struct rte_eth_dev *, int wait_to_complete, void *);
int (*dev_set_link_up)(struct rte_eth_dev *, void *);
int (*dev_set_link_down)(struct rte_eth_dev *, void *);
int (*link_update)(struct rte_eth_dev *, int wait_to_complete, void *);
int (*dev_set_link_up)(struct rte_eth_dev *, void *);
int (*dev_set_link_down)(struct rte_eth_dev *, void *);