MulticastFilter1
iowrite32(mc_filter[1], ioaddr + MulticastFilter1);
iowrite16(ioread16(ioaddr + MulticastFilter1+2) | 0x0200,
ioaddr + MulticastFilter1+2);
iowrite32(0xffffffff, ioaddr + MulticastFilter1);
iowrite32(0xffffffff, ioaddr + MulticastFilter1);
iowrite32(mc_filter[1], ioaddr + MulticastFilter1);