vcap_u128_key
[VCAP_FIELD_U128] = sizeof(struct vcap_u128_key),
struct vcap_u128_key *fieldval)
struct vcap_u128_key *fieldval);
struct vcap_u128_key u128;
struct vcap_u128_key dip = {
struct vcap_u128_key sip;
struct vcap_u128_key dip;