CAS_DMA_WRITE
CAS_DMA_WRITE(CAS_RC3_OWN);
CAS_DMA_WRITE(map->dm_segs[i].ds_addr);
sc->sc_txdescs[frag].cd_flags = CAS_DMA_WRITE(flags);
sc->sc_rxcomps[i].cc_word[3] = CAS_DMA_WRITE(CAS_RC3_OWN);
CAS_DMA_WRITE(__rxs->rxs_dmamap->dm_segs[0].ds_addr); \
CAS_DMA_WRITE((s)); \