Function parse_args

dpdk/examples/l3fwd/main.c:775–996

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

/* Parse the argument given in the command line of the application */
static int
parse_args(int argc, char **argv)
{
	int opt, ret;
	char **argvopt;
	int option_index;
	char *prgname = argv[0];
	uint8_t lcore_params = 0;
#ifdef RTE_LIB_EVENTDEV
	uint8_t eventq_sched = 0;
	uint8_t eth_rx_q = 0;
	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
#endif

	argvopt = argv;

	/* Error or normal output strings. */
	while ((opt = getopt_long(argc, argvopt, short_options,
				lgopts, &option_index)) != EOF) {

		switch (opt) {
		/* portmask */
		case 'p':
			enabled_port_mask = parse_portmask(optarg);
			if (enabled_port_mask == 0) {
				fprintf(stderr, "Invalid portmask\n");
				print_usage(prgname);
				return -1;
			}
			break;

		case 'P':
			promiscuous_on = 1;
			break;

		case 'E':
			if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
				fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
				return -1;
			}
			lookup_mode = L3FWD_LOOKUP_EM;
			break;

		case 'L':
			if (lookup_mode != L3FWD_LOOKUP_DEFAULT) {
				fprintf(stderr, "Only one lookup mode is allowed at a time!\n");
				return -1;
			}
			lookup_mode = L3FWD_LOOKUP_LPM;
			break;

		/* long options */
		case CMD_LINE_OPT_CONFIG_NUM:
			ret = parse_config(optarg);
			if (ret) {
				fprintf(stderr, "Invalid config\n");
				print_usage(prgname);
				return -1;