Function eal_parse_socket_arg

dpdk/lib/eal/linux/eal.c:468–509

}

static int
eal_parse_socket_arg(char *strval, volatile uint64_t *socket_arg)
{
	char * arg[RTE_MAX_NUMA_NODES];
	char *end;
	int arg_num, i, len;

	len = strnlen(strval, SOCKET_MEM_STRLEN);
	if (len == SOCKET_MEM_STRLEN) {
		RTE_LOG(ERR, EAL, "--socket-mem is too long\n");
		return -1;
	}

	/* all other error cases will be caught later */
	if (!isdigit(strval[len-1]))
		return -1;

	/* split the optarg into separate socket values */
	arg_num = rte_strsplit(strval, len,
			arg, RTE_MAX_NUMA_NODES, ',');

	/* if split failed, or 0 arguments */
	if (arg_num <= 0)
		return -1;

	/* parse each defined socket option */
	errno = 0;
	for (i = 0; i < arg_num; i++) {
		uint64_t val;
		end = NULL;
		val = strtoull(arg[i], &end, 10);

		/* check for invalid input */
		if ((errno != 0)  ||
				(arg[i][0] == '\0') || (end == NULL) || (*end != '\0'))
			return -1;
		val <<= 20;
		socket_arg[i] = val;
	}

	return 0;
}

static int
eal_parse_vfio_intr(const char *mode)