PHYSTS_100BASETX_FD
if (abilities & PHYSTS_100BASETX_FD) {
mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;