-}
-
-void
-ip6_prefix_max_address_host_order (ip6_address_t * ip, u8 plen,
- ip6_address_t * res)
-{
- u64 not_mask;
- if (plen == 0)
- {
- res->as_u64[0] = 0xffffffffffffffffL;
- res->as_u64[1] = 0xffffffffffffffffL;
- }
- else if (plen <= 64)
- {
- not_mask = ((u64) 1 << (64 - plen)) - 1;
- res->as_u64[0] = clib_net_to_host_u64 (ip->as_u64[0]) + not_mask;
- res->as_u64[1] = 0xffffffffffffffffL;
- }
- else
- {
- not_mask = ((u64) 1 << (128 - plen)) - 1;
- res->as_u64[1] = clib_net_to_host_u64 (ip->as_u64[1]) + not_mask;
- }
-}
-
-u32
-ip6_mask_to_preflen (ip6_address_t * mask)
-{
- u8 first1, first0;
- if (mask->as_u64[0] == 0 && mask->as_u64[1] == 0)
- return 0;
- first1 = log2_first_set (clib_net_to_host_u64 (mask->as_u64[1]));
- first0 = log2_first_set (clib_net_to_host_u64 (mask->as_u64[0]));
-
- if (first1 != 0)
- return 128 - first1;
- else
- return 64 - first0;