__rte_experimental int rte_swx_table_learner_lookup(void *table, void *mailbox, uint64_t time, uint8_t **key, uint64_t *action_id, uint8_t **action_data, int *hit)
__rte_experimental uint32_t rte_swx_table_learner_add(void *table, void *mailbox, uint64_t time, uint64_t action_id, uint8_t *action_data)