CNW_CMD2
CNW_CMD2(sc, CNW_CMD_SMD, domain, domain >> 8);
CNW_CMD2(sc, CNW_CMD_SSK, key, key >> 8);
CNW_CMD2(sc, CNW_CMD_SMD, sc->sc_domain, sc->sc_domain >> 8);
CNW_CMD2(sc, CNW_CMD_SSK, sc->sc_skey, sc->sc_skey >> 8);
CNW_CMD2(sc, CNW_CMD_TL, len, len >> 8);