Function ip6_mask_addr

dpdk/lib/lpm/rte_lpm6.c:117–134

* Takes an array of uint8_t (IPv6 address) and masks it using the depth. * It leaves untouched one bit per unit in the depth variable * and set the rest to 0. */

 * and set the rest to 0.
 */
static inline void
ip6_mask_addr(uint8_t *ip, uint8_t depth)
{
	int16_t part_depth, mask;
	int i;

	part_depth = depth;

	for (i = 0; i < RTE_LPM6_IPV6_ADDR_SIZE; i++) {
		if (part_depth < BYTE_SIZE && part_depth >= 0) {
			mask = (uint16_t)(~(UINT8_MAX >> part_depth));
			ip[i] = (uint8_t)(ip[i] & mask);
		} else if (part_depth < 0)
			ip[i] = 0;

		part_depth -= BYTE_SIZE;
	}
}

/* copy ipv6 address */
static inline void