Function rte_ether_unformat_addr

dpdk/lib/net/rte_ether.c:133–155

* Be liberal in accepting a wide variety of notational formats * for MAC address including: * - Linux format six groups of hexadecimal digits separated by colon * - Windows format six groups separated by hyphen * - two groups hexadecimal digits */

 *  - two groups hexadecimal digits
 */
int
rte_ether_unformat_addr(const char *s, struct rte_ether_addr *ea)
{
	unsigned int count;
	char sep = '\0';

	count = get_ether_sep(s, &sep);
	switch (count) {
	case 5:	/* i.e 01:23:45:67:89:AB */
		if (get_ether_addr6(s, ea, sep))
			return 0;
		break;
	case 2: /* i.e 0123.4567.89AB */
		if (get_ether_addr3(s, ea, sep))
			return 0;
		break;
	default:
		break;
	}

	rte_errno = EINVAL;
	return -1;
}