Function l2fwd_event_parse_args

dpdk/examples/l2fwd-event/main.c:201–330

Parse the argument given in the command line of the application */

/* Parse the argument given in the command line of the application */
static int
l2fwd_event_parse_args(int argc, char **argv, struct l2fwd_resources *rsrc)
{
	int mac_updating = 1;
	struct option lgopts[] = {
		{ CMD_LINE_OPT_MAC_UPDATING, no_argument, &mac_updating, 1},
		{ CMD_LINE_OPT_NO_MAC_UPDATING, no_argument, &mac_updating, 0},
		{ CMD_LINE_OPT_MODE, required_argument, NULL,
							CMD_LINE_OPT_MODE_NUM},
		{ CMD_LINE_OPT_EVENTQ_SCHED, required_argument, NULL,
						CMD_LINE_OPT_EVENTQ_SCHED_NUM},
		{ CMD_LINE_OPT_PORT_PAIR_CONF, required_argument, NULL,
					CMD_LINE_OPT_PORT_PAIR_CONF_NUM},
		{CMD_LINE_OPT_ENABLE_VECTOR, no_argument, NULL,
					CMD_LINE_OPT_ENABLE_VECTOR_NUM},
		{CMD_LINE_OPT_VECTOR_SIZE, required_argument, NULL,
					CMD_LINE_OPT_VECTOR_SIZE_NUM},
		{CMD_LINE_OPT_VECTOR_TMO_NS, required_argument, NULL,
					CMD_LINE_OPT_VECTOR_TMO_NS_NUM},
		{NULL, 0, 0, 0}
	};
	int opt, ret, timer_secs;
	char *prgname = argv[0];
	uint16_t port_id;
	int option_index;
	char **argvopt;

	/* Reset l2fwd_dst_ports. 8< */
	for (port_id = 0; port_id < RTE_MAX_ETHPORTS; port_id++)
		rsrc->dst_ports[port_id] = UINT32_MAX;

	argvopt = argv;
	while ((opt = getopt_long(argc, argvopt, short_options,
				  lgopts, &option_index)) != EOF) {

		switch (opt) {
		/* portmask */
		case 'p':
			rsrc->enabled_port_mask =
					l2fwd_event_parse_portmask(optarg);
			if (rsrc->enabled_port_mask == 0) {
				printf("invalid portmask\n");
				l2fwd_event_usage(prgname);
				return -1;
			}
			break;

		/* nqueue */
		case 'q':
			rsrc->rx_queue_per_lcore =
					l2fwd_event_parse_nqueue(optarg);
			if (rsrc->rx_queue_per_lcore == 0) {
				printf("invalid queue number\n");
				l2fwd_event_usage(prgname);
				return -1;
			}
			break;