Function main

dpdk/examples/l2fwd-event/main.c:593–778

}

int
main(int argc, char **argv)
{
	struct l2fwd_resources *rsrc;
	uint16_t nb_ports_available = 0;
	uint32_t nb_ports_in_mask = 0;
	uint16_t port_id, last_port;
	uint32_t nb_mbufs;
	uint16_t nb_ports;
	int i, ret;

	/* Init EAL. 8< */
	ret = rte_eal_init(argc, argv);
	if (ret < 0)
		rte_panic("Invalid EAL arguments\n");
	argc -= ret;
	argv += ret;

	rsrc = l2fwd_get_rsrc();

	signal(SIGINT, signal_handler);
	signal(SIGTERM, signal_handler);

	/* parse application arguments (after the EAL ones) */
	ret = l2fwd_event_parse_args(argc, argv, rsrc);
	if (ret < 0)
		rte_panic("Invalid L2FWD arguments\n");
	/* >8 End of init EAL. */

	printf("MAC updating %s\n", rsrc->mac_updating ? "enabled" :
			"disabled");

	nb_ports = rte_eth_dev_count_avail();
	if (nb_ports == 0)
		rte_panic("No Ethernet ports - bye\n");

	/* check port mask to possible port mask */
	if (rsrc->enabled_port_mask & ~((1 << nb_ports) - 1))
		rte_panic("Invalid portmask; possible (0x%x)\n",
			(1 << nb_ports) - 1);

	if (!rsrc->port_pairs) {
		last_port = 0;
		/*
		 * Each logical core is assigned a dedicated TX queue on each
		 * port.
		 */
		RTE_ETH_FOREACH_DEV(port_id) {
			/* skip ports that are not enabled */
			if ((rsrc->enabled_port_mask & (1 << port_id)) == 0)
				continue;

			if (nb_ports_in_mask % 2) {
				rsrc->dst_ports[port_id] = last_port;
				rsrc->dst_ports[last_port] = port_id;
			} else {
				last_port = port_id;
			}