SIS_RXFILTCTL_BROAD
SIS_SETBIT(sc, SIS_RXFILT_CTL, SIS_RXFILTCTL_BROAD);
SIS_CLRBIT(sc, SIS_RXFILT_CTL, SIS_RXFILTCTL_BROAD);
ctl |= SIS_RXFILTCTL_BROAD;
ctl |= SIS_RXFILTCTL_BROAD|SIS_RXFILTCTL_ALLPHYS;