NFE_ADDR_LO
htole32(NFE_ADDR_LO(segs[i].ds_addr));
NFE_WRITE(sc, NFE_RX_RING_ADDR_LO, NFE_ADDR_LO(sc->rxq.physaddr));
NFE_WRITE(sc, NFE_TX_RING_ADDR_LO, NFE_ADDR_LO(sc->txq.physaddr));
desc64->physaddr[1] = htole32(NFE_ADDR_LO(physaddr));