dc_data
sframe->dc_data = htole32(DC_ADDR_LO(sc->dc_saddr));
sframe->dc_data = htole32(DC_ADDR_LO(sc->dc_saddr));
ld->dc_tx_list[i].dc_data = 0;
sc->dc_ldata.dc_rx_list[i].dc_data =
f->dc_data = htole32(DC_ADDR_LO(segs[i].ds_addr));
sframe->dc_data = htole32(DC_ADDR_LO(sc->dc_saddr));