NETFN_LUN
imbreq->nfLn = NETFN_LUN(netfn, rslun);
imbreq->seqLn = NETFN_LUN(sc->imb_seq++, SMS_LUN);
buf = sc->sc_if->buildmsg(sc, NETFN_LUN(netfn, rslun), cmd,
__func__, rssa, NETFN_LUN(netfn, rslun), cmd, txlen);
buf = sc->sc_if->buildmsg(sc, NETFN_LUN(APP_NETFN, BMC_LUN),