PS_BEACON_SYNC
sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
if (sc->ps_flags & PS_BEACON_SYNC)
sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON;
sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC;
if (sc->ps_flags & PS_BEACON_SYNC) {
sc->ps_flags &= ~PS_BEACON_SYNC;