Function lsi_main_loop

dpdk/examples/link_status_interrupt/main.c:196–291

main processing loop */

/* main processing loop */
static void
lsi_main_loop(void)
{
	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
	struct rte_mbuf *m;
	unsigned lcore_id;
	unsigned sent;
	uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
	unsigned i, j, portid, nb_rx;
	struct lcore_queue_conf *qconf;
	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
			BURST_TX_DRAIN_US;
	struct rte_eth_dev_tx_buffer *buffer;

	prev_tsc = 0;
	timer_tsc = 0;

	lcore_id = rte_lcore_id();
	qconf = &lcore_queue_conf[lcore_id];

	if (qconf->n_rx_port == 0) {
		RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
		return;
	}

	RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);

	for (i = 0; i < qconf->n_rx_port; i++) {

		portid = qconf->rx_port_list[i];
		RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
			portid);
	}

	while (1) {

		/* Draining TX queue in its main loop. 8< */
		cur_tsc = rte_rdtsc();

		/*
		 * TX burst queue drain
		 */
		diff_tsc = cur_tsc - prev_tsc;
		if (unlikely(diff_tsc > drain_tsc)) {

			for (i = 0; i < qconf->n_rx_port; i++) {

				portid = lsi_dst_ports[qconf->rx_port_list[i]];
				buffer = tx_buffer[portid];

				sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
				if (sent)
					port_statistics[portid].tx += sent;

			}

			/* if timer is enabled */
			if (timer_period > 0) {