swhighw
t->TMD1 = swhighw(ARIADNE_RAM +
r->RMD1 = swhighw(ARIADNE_RAM +
lance->RDP = swhighw(ARIADNE_RAM + offsetof(struct lancedata, tx_ring));
lance->RDP = swhighw(ARIADNE_RAM + offsetof(struct lancedata, rx_ring));