Function init

dpdk/examples/server_node_efd/efd_server/init.c:307–368

* Main init function for the multi-process server app, * calls subfunctions to do each stage of the initialisation. */

 * calls subfunctions to do each stage of the initialisation.
 */
int
init(int argc, char *argv[])
{
	int retval;
	const struct rte_memzone *mz;
	uint8_t i, total_ports;

	/* init EAL, parsing EAL args */
	retval = rte_eal_init(argc, argv);
	if (retval < 0)
		return -1;
	argc -= retval;
	argv += retval;

	/* get total number of ports */
	total_ports = rte_eth_dev_count_avail();

	/* set up array for port data */
	mz = rte_memzone_reserve(MZ_SHARED_INFO, sizeof(*info),
				rte_socket_id(), NO_FLAGS);
	if (mz == NULL)
		rte_exit(EXIT_FAILURE, "Cannot reserve memory zone "
				"for port information\n");
	memset(mz->addr, 0, sizeof(*info));
	info = mz->addr;

	/* parse additional, application arguments */
	retval = parse_app_args(total_ports, argc, argv);
	if (retval != 0)
		return -1;

	/* initialise mbuf pools */
	retval = init_mbuf_pools();
	if (retval != 0)
		rte_exit(EXIT_FAILURE, "Cannot create needed mbuf pools\n");

	/* now initialise the ports we will use */
	for (i = 0; i < info->num_ports; i++) {
		retval = init_port(info->id[i]);
		if (retval != 0)
			rte_exit(EXIT_FAILURE, "Cannot initialise port %u\n",
					(unsigned int) i);
	}

	check_all_ports_link_status(info->num_ports, (~0x0));

	/* initialise the node queues/rings for inter-eu comms */
	init_shm_rings();

	/* Create the EFD table */
	create_efd_table();

	/* Populate the EFD table */
	populate_efd_table();

	/* Share the total number of nodes */
	info->num_nodes = num_nodes;