SADB_ADD
case SADB_ADD:
if ((len = pfkey_send_x1(so, SADB_ADD, satype, mode, src, dst, spi,
status = setkeymsg_add(SADB_ADD, $5, $3, $4);
case SADB_ADD:
mhp->msg->sadb_msg_type == SADB_ADD, ("wrong message type"));
[SADB_ADD] = key_add,
case SADB_ADD: