NGE_RXFILT_CTL
CSR_WRITE_4(sc, NGE_RXFILT_CTL, 0);
CSR_BARRIER_4(sc, NGE_RXFILT_CTL, BUS_SPACE_BARRIER_WRITE);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, NGE_FILTADDR_PAR0);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, NGE_FILTADDR_PAR1);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, NGE_FILTADDR_PAR2);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, NGE_FILTADDR_MCAST_LO + (index * 2));
rxfilt = CSR_READ_4(sc, NGE_RXFILT_CTL);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, rxfilt);
CSR_BARRIER_4(sc, NGE_RXFILT_CTL, BUS_SPACE_BARRIER_WRITE);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, NGE_FILTADDR_MCAST_LO + i);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, rxfilt);
CSR_WRITE_4(sc, NGE_RXFILT_CTL, rxfilt);
CSR_BARRIER_4(sc, NGE_RXFILT_CTL, BUS_SPACE_BARRIER_WRITE);