u32
ip4_mask_to_preflen (ip4_address_t * mask)
{
+ if (mask->as_u32 == 0)
+ return 0;
return (32 - log2_first_set (clib_net_to_host_u32 (mask->as_u32)));
}
{
u8 first1, first0;
if (mask->as_u64[0] == 0 && mask->as_u64[1] == 0)
- return 128;
+ return 0;
first1 = log2_first_set (mask->as_u64[1]);
first0 = log2_first_set (mask->as_u64[0]);