Function rte_event_dequeue_burst

dpdk/lib/eventdev/rte_eventdev.h:2406–2437

* Dequeue a burst of events objects or an event object from the event port * designated by its *event_port_id*, on an event device designated * by its *dev_id*. * * rte_event_dequeue_burst() does not dictate the specifics of scheduling * algorithm as each eventdev driver may have different criteria to schedule * an event. However, in general, from an application perspective scheduler may *

 * @see rte_event_port_dequeue_depth()
 */
static inline uint16_t
rte_event_dequeue_burst(uint8_t dev_id, uint8_t port_id, struct rte_event ev[],
			uint16_t nb_events, uint64_t timeout_ticks)
{
	const struct rte_event_fp_ops *fp_ops;
	void *port;

	fp_ops = &rte_event_fp_ops[dev_id];
	port = fp_ops->data[port_id];
#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
	if (dev_id >= RTE_EVENT_MAX_DEVS ||
	    port_id >= RTE_EVENT_MAX_PORTS_PER_DEV) {
		rte_errno = EINVAL;
		return 0;
	}

	if (port == NULL) {
		rte_errno = EINVAL;
		return 0;
	}
#endif
	rte_eventdev_trace_deq_burst(dev_id, port_id, ev, nb_events);
	/*
	 * Allow zero cost non burst mode routine invocation if application
	 * requests nb_events as const one
	 */
	if (nb_events == 1)
		return (fp_ops->dequeue)(port, ev, timeout_ticks);
	else
		return (fp_ops->dequeue_burst)(port, ev, nb_events,
					       timeout_ticks);
}

#define RTE_EVENT_DEV_MAINT_OP_FLUSH          (1 << 0)
/**< Force an immediately flush of any buffered events in the port,