sc_tda32
tda32 = &sc->sc_tda32[nexttx];
sonic32toh(sc, sc->sc_tda32[olasttx].tda_fragcnt);
sc->sc_tda32[sc->sc_txlast].tda_frags[seg].frag_ptr0 |=
sc->sc_tda32[olasttx].tda_frags[olseg].frag_ptr0 &=
tda32 = &sc->sc_tda32[i];
memset(&sc->sc_tda32[i], 0, sizeof(struct sonic_tda32));