PH_MSGIN
if (sc->sc_prevphase == PH_MSGIN) {
sc->sc_prevphase == PH_MSGIN && sc->sc_state != SPC_CONNECTED)
case PH_MSGIN:
sc->sc_prevphase = PH_MSGIN;
if (sc->sc_prevphase == PH_MSGIN) {
if (sc->sc_prevphase == PH_MSGIN) {
case PH_MSGIN:
sc->sc_prevphase = PH_MSGIN;
if (sc->sc_prevphase == PH_MSGIN) {