612 	struct cpsw_ring_data * const rdp = sc->sc_rdp;  in cpsw_start()  local
648 		dm = rdp->tx_dm[sc->sc_txnext];  in cpsw_start()
671 		KASSERT(rdp->tx_mb[sc->sc_txnext] == NULL);  in cpsw_start()
672 		rdp->tx_mb[sc->sc_txnext] = m;  in cpsw_start()
843 	struct cpsw_ring_data * const rdp = sc->sc_rdp;  in cpsw_new_rxbuf()  local
863 	if (rdp->rx_mb[i] != NULL)  in cpsw_new_rxbuf()
864 		bus_dmamap_unload(sc->sc_bdt, rdp->rx_dm[i]);  in cpsw_new_rxbuf()
868 	rdp->rx_mb[i] = m;  in cpsw_new_rxbuf()
870 	error = bus_dmamap_load_mbuf(sc->sc_bdt, rdp->rx_dm[i], rdp->rx_mb[i],  in cpsw_new_rxbuf()
877 	bus_dmamap_sync(sc->sc_bdt, rdp->rx_dm[i],  in cpsw_new_rxbuf()
878 	    0, rdp->rx_dm[i]->dm_mapsize, BUS_DMASYNC_PREREAD);  in cpsw_new_rxbuf()
885 	dw[1] = rdp->rx_dm[i]->dm_segs[0].ds_addr;  in cpsw_new_rxbuf()
886 	dw[2] = MIN(0x7ff, rdp->rx_dm[i]->dm_segs[0].ds_len);  in cpsw_new_rxbuf()
1050 	struct cpsw_ring_data * const rdp = sc->sc_rdp;  in cpsw_stop()  local
1104 		bus_dmamap_unload(sc->sc_bdt, rdp->tx_dm[i]);  in cpsw_stop()
1105 		m_freem(rdp->tx_mb[i]);  in cpsw_stop()
1106 		rdp->tx_mb[i] = NULL;  in cpsw_stop()
1117 		bus_dmamap_unload(sc->sc_bdt, rdp->rx_dm[i]);  in cpsw_stop()
1118 		m_freem(rdp->rx_mb[i]);  in cpsw_stop()
1119 		rdp->rx_mb[i] = NULL;  in cpsw_stop()
1153 	struct cpsw_ring_data * const rdp = sc->sc_rdp;  in cpsw_rxintr()  local
1170 		dm = rdp->rx_dm[i];  in cpsw_rxintr()
1171 		m = rdp->rx_mb[i];  in cpsw_rxintr()
1243 	struct cpsw_ring_data * const rdp = sc->sc_rdp;  in cpsw_txintr()  local
1298 		bus_dmamap_sync(sc->sc_bdt, rdp->tx_dm[sc->sc_txhead],  in cpsw_txintr()
1299 		    0, rdp->tx_dm[sc->sc_txhead]->dm_mapsize,  in cpsw_txintr()
1301 		bus_dmamap_unload(sc->sc_bdt, rdp->tx_dm[sc->sc_txhead]);  in cpsw_txintr()
1303 		m_freem(rdp->tx_mb[sc->sc_txhead]);  in cpsw_txintr()
1304 		rdp->tx_mb[sc->sc_txhead] = NULL;  in cpsw_txintr()