diff options
Diffstat (limited to 'sys/dev/pci/if_vr.c')
| -rw-r--r-- | sys/dev/pci/if_vr.c | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/sys/dev/pci/if_vr.c b/sys/dev/pci/if_vr.c index 5244bfbd08c..e9d28b605ac 100644 --- a/sys/dev/pci/if_vr.c +++ b/sys/dev/pci/if_vr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_vr.c,v 1.39 2003/10/13 04:25:30 jason Exp $ */ +/* $OpenBSD: if_vr.c,v 1.40 2003/10/14 05:04:00 drahn Exp $ */ /* * Copyright (c) 1997, 1998 @@ -950,6 +950,9 @@ vr_list_rx_init(sc) if (bus_dmamap_load(sc->sc_dmat, cd->vr_rx_chain[i].vr_map, cd->vr_rx_chain[i].vr_buf, MCLBYTES, NULL, BUS_DMA_NOWAIT)) return (ENOBUFS); + bus_dmamap_sync(sc->sc_dmat, cd->vr_rx_chain[i].vr_map, + 0, cd->vr_rx_chain[i].vr_map->dm_mapsize, + BUS_DMASYNC_PREREAD); d->vr_status = htole32(VR_RXSTAT); d->vr_data = @@ -974,6 +977,10 @@ vr_list_rx_init(sc) cd->vr_rx_head = &cd->vr_rx_chain[0]; + bus_dmamap_sync(sc->sc_dmat, sc->sc_listmap, 0, + sc->sc_listmap->dm_mapsize, + BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); + return(0); } @@ -992,10 +999,16 @@ vr_rxeof(sc) ifp = &sc->arpcom.ac_if; - while(!((rxstat = sc->vr_cdata.vr_rx_head->vr_ptr->vr_status) & - VR_RXSTAT_OWN)) { + for (;;) { struct mbuf *m0 = NULL; + bus_dmamap_sync(sc->sc_dmat, sc->sc_listmap, + 0, sc->sc_listmap->dm_mapsize, + BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); + rxstat = letoh32(sc->vr_cdata.vr_rx_head->vr_ptr->vr_status); + if (rxstat & VR_RXSTAT_OWN) + break; + cur_rx = sc->vr_cdata.vr_rx_head; sc->vr_cdata.vr_rx_head = cur_rx->vr_nextdesc; @@ -1031,11 +1044,14 @@ vr_rxeof(sc) htole32(cur_rx->vr_map->dm_segs[0].ds_addr + sizeof(u_int64_t)); cur_rx->vr_ptr->vr_ctl = htole32(VR_RXCTL | VR_RXLEN); + bus_dmamap_sync(sc->sc_dmat, sc->sc_listmap, + 0, sc->sc_listmap->dm_mapsize, + BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); continue; } /* No errors; receive the packet. */ - total_len = VR_RXBYTES(cur_rx->vr_ptr->vr_status); + total_len = VR_RXBYTES(letoh32(cur_rx->vr_ptr->vr_status)); /* * XXX The VIA Rhine chip includes the CRC with every @@ -1046,8 +1062,14 @@ vr_rxeof(sc) */ total_len -= ETHER_CRC_LEN; + bus_dmamap_sync(sc->sc_dmat, cur_rx->vr_map, 0, + cur_rx->vr_map->dm_mapsize, + BUS_DMASYNC_POSTREAD); m0 = m_devget(cur_rx->vr_buf + sizeof(u_int64_t) - ETHER_ALIGN, total_len + ETHER_ALIGN, 0, ifp, NULL); + bus_dmamap_sync(sc->sc_dmat, cur_rx->vr_map, 0, + cur_rx->vr_map->dm_mapsize, + BUS_DMASYNC_PREREAD); /* Reinitialize descriptor */ cur_rx->vr_ptr->vr_status = htole32(VR_RXSTAT); @@ -1055,6 +1077,9 @@ vr_rxeof(sc) htole32(cur_rx->vr_map->dm_segs[0].ds_addr + sizeof(u_int64_t)); cur_rx->vr_ptr->vr_ctl = htole32(VR_RXCTL | VR_RXLEN); + bus_dmamap_sync(sc->sc_dmat, sc->sc_listmap, 0, + sc->sc_listmap->dm_mapsize, + BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD); if (m0 == NULL) { ifp->if_ierrors++; @@ -1075,6 +1100,10 @@ vr_rxeof(sc) ether_input_mbuf(ifp, m0); } + bus_dmamap_sync(sc->sc_dmat, sc->sc_listmap, + 0, sc->sc_listmap->dm_mapsize, + BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); + return; } @@ -1142,7 +1171,7 @@ vr_txeof(sc) int i; cur_tx = sc->vr_cdata.vr_tx_head; - txstat = cur_tx->vr_ptr->vr_status; + txstat = letoh32(cur_tx->vr_ptr->vr_status); if ((txstat & VR_TXSTAT_ABRT) || (txstat & VR_TXSTAT_UDF)) { @@ -1156,7 +1185,7 @@ vr_txeof(sc) sc->vr_flags |= VR_F_RESTART; break; } - VR_TXOWN(cur_tx) = VR_TXSTAT_OWN; + VR_TXOWN(cur_tx) = htole32(VR_TXSTAT_OWN); CSR_WRITE_4(sc, VR_TXADDR, cur_tx->vr_paddr); break; } @@ -1370,6 +1399,8 @@ vr_encap(sc, c, m_head) m_freem(m_new); return (1); } + bus_dmamap_sync(sc->sc_dmat, c->vr_map, 0, c->vr_map->dm_mapsize, + BUS_DMASYNC_PREWRITE); m_freem(m_head); @@ -1377,7 +1408,7 @@ vr_encap(sc, c, m_head) f->vr_data = htole32(c->vr_map->dm_segs[0].ds_addr); f->vr_ctl = htole32(c->vr_map->dm_mapsize); f->vr_ctl |= htole32(VR_TXCTL_TLINK|VR_TXCTL_FIRSTFRAG); - f->vr_status = 0; + f->vr_status = htole32(0); c->vr_mbuf = m_new; c->vr_ptr->vr_ctl |= htole32(VR_TXCTL_LASTFRAG|VR_TXCTL_FINT); @@ -1437,7 +1468,7 @@ vr_start(ifp) } if (cur_tx != start_tx) - VR_TXOWN(cur_tx) = VR_TXSTAT_OWN; + VR_TXOWN(cur_tx) = htole32(VR_TXSTAT_OWN); #if NBPFILTER > 0 /* @@ -1447,7 +1478,7 @@ vr_start(ifp) if (ifp->if_bpf) bpf_mtap(ifp->if_bpf, cur_tx->vr_mbuf); #endif - VR_TXOWN(cur_tx) = VR_TXSTAT_OWN; + VR_TXOWN(cur_tx) = htole32(VR_TXSTAT_OWN); } /* @@ -1461,6 +1492,10 @@ vr_start(ifp) if (sc->vr_cdata.vr_tx_head == NULL) sc->vr_cdata.vr_tx_head = start_tx; + bus_dmamap_sync(sc->sc_dmat, sc->sc_listmap, 0, + sc->sc_listmap->dm_mapsize, + BUS_DMASYNC_PREWRITE|BUS_DMASYNC_PREREAD); + /* Tell the chip to start transmitting. */ VR_SETBIT16(sc, VR_COMMAND, /*VR_CMD_TX_ON|*/VR_CMD_TX_GO); |