u64 hash_key;
hash_key = ip->src_address.as_u64[0] ^
- ip->src_address.as_u64[1] ^
- ip->dst_address.as_u64[0] ^
- ip->dst_address.as_u64[1] ^
+ rotate_left(ip->src_address.as_u64[1],13) ^
+ rotate_left(ip->dst_address.as_u64[0],26) ^
+ rotate_left(ip->dst_address.as_u64[1],39) ^
ip->protocol;
return hash_key;