Lines Matching +full:ring +full:- +full:disable +full:- +full:pullup
1 /*-
80 #define RD4(sc, reg) bus_read_4((sc)->res[_RES_MAC], (reg))
81 #define WR4(sc, reg, val) bus_write_4((sc)->res[_RES_MAC], (reg), (val))
83 #define GEN_LOCK(sc) mtx_lock(&(sc)->mtx)
84 #define GEN_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
85 #define GEN_ASSERT_LOCKED(sc) mtx_assert(&(sc)->mtx, MA_OWNED)
86 #define GEN_ASSERT_UNLOCKED(sc) mtx_assert(&(sc)->mtx, MA_NOTOWNED)
91 #define TX_NEXT(n, count) (((n) + 1) & ((count) - 1))
92 #define RX_NEXT(n, count) (((n) + 1) & ((count) - 1))
119 { "brcm,genet-v1", 1 },
120 { "brcm,genet-v2", 2 },
121 { "brcm,genet-v3", 3 },
122 { "brcm,genet-v4", 4 },
123 { "brcm,genet-v5", 5 },
124 { "brcm,bcm2711-genet-v5", 5 },
139 { -1, 0 }
142 /* structure per ring entry */
193 struct gen_ring_ent tx_ring_ent[TX_DESC_COUNT]; /* ring entries */
199 struct gen_ring_ent rx_ring_ent[RX_DESC_COUNT]; /* ring entries */
238 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
254 sc->dev = dev;
255 sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
257 if (bus_alloc_resources(dev, gen_spec, sc->res) != 0) {
273 mtx_init(&sc->mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, MTX_DEF);
274 callout_init_mtx(&sc->stat_ch, &sc->mtx, 0);
275 TASK_INIT(&sc->link_task, 0, gen_link_task, sc);
297 sc->ifp = if_alloc(IFT_ETHER);
298 if_setsoftc(sc->ifp, sc);
299 if_initname(sc->ifp, device_get_name(dev), device_get_unit(dev));
300 if_setflags(sc->ifp, IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST);
301 if_setstartfn(sc->ifp, gen_start);
302 if_setioctlfn(sc->ifp, gen_ioctl);
303 if_setinitfn(sc->ifp, gen_init);
304 if_setsendqlen(sc->ifp, TX_DESC_COUNT - 1);
305 if_setsendqready(sc->ifp);
307 if_sethwassist(sc->ifp, GEN_CSUM_FEATURES);
308 if_setcapabilities(sc->ifp, IFCAP_VLAN_MTU | IFCAP_HWCSUM |
310 if_setcapenable(sc->ifp, if_getcapabilities(sc->ifp));
313 error = bus_setup_intr(dev, sc->res[_RES_IRQ1],
314 INTR_TYPE_NET | INTR_MPSAFE, NULL, gen_intr, sc, &sc->ih);
320 error = bus_setup_intr(dev, sc->res[_RES_IRQ2],
321 INTR_TYPE_NET | INTR_MPSAFE, NULL, gen_intr2, sc, &sc->ih2);
329 switch (sc->phy_mode)
343 error = mii_attach(dev, &sc->miibus, sc->ifp, gen_media_change,
353 ether_gen_addr(sc->ifp, &eaddr);
355 ether_ifattach(sc->ifp, eaddr.octet);
368 device_delete_children(sc->dev);
369 bus_teardown_intr(sc->dev, sc->res[_RES_IRQ1], sc->ih);
370 bus_teardown_intr(sc->dev, sc->res[_RES_IRQ2], sc->ih2);
372 callout_drain(&sc->stat_ch);
373 if (mtx_initialized(&sc->mtx))
374 mtx_destroy(&sc->mtx);
375 bus_release_resources(sc->dev, gen_spec, sc->res);
376 if (sc->ifp != NULL) {
377 if_free(sc->ifp);
378 sc->ifp = NULL;
399 sc->phy_mode = type;
402 device_printf(dev, "unknown phy-mode '%s'\n",
421 if (OF_getprop(node, "mac-address", eaddr->octet,
422 ETHER_ADDR_LEN) != -1 ||
423 OF_getprop(node, "local-mac-address", eaddr->octet,
424 ETHER_ADDR_LEN) != -1 ||
425 OF_getprop(node, "address", eaddr->octet, ETHER_ADDR_LEN) != -1)
443 eaddr->octet[0] = maclo & 0xff;
444 eaddr->octet[1] = (maclo >> 8) & 0xff;
445 eaddr->octet[2] = (maclo >> 16) & 0xff;
446 eaddr->octet[3] = (maclo >> 24) & 0xff;
447 eaddr->octet[4] = machi & 0xff;
448 eaddr->octet[5] = (machi >> 8) & 0xff;
509 /* Disable interrupts */
529 /* Disable Interrupt */
540 if ((if_getcapenable(sc->ifp) & IFCAP_RXCSUM) != 0) {
551 if ((if_getcapenable(sc->ifp) & (IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6)) !=
578 device_t dev = sc->dev;
591 &sc->tx_buf_tag);
598 error = bus_dmamap_create(sc->tx_buf_tag, 0,
599 &sc->tx_ring_ent[i].map);
616 &sc->rx_buf_tag);
623 error = bus_dmamap_create(sc->rx_buf_tag, 0,
624 &sc->rx_ring_ent[i].map);
638 if (sc->tx_buf_tag != NULL) {
640 error = bus_dmamap_destroy(sc->tx_buf_tag,
641 sc->tx_ring_ent[i].map);
642 sc->tx_ring_ent[i].map = NULL;
644 device_printf(sc->dev,
648 error = bus_dma_tag_destroy(sc->tx_buf_tag);
649 sc->tx_buf_tag = NULL;
651 device_printf(sc->dev,
656 if (sc->tx_buf_tag != NULL) {
658 error = bus_dmamap_destroy(sc->rx_buf_tag,
659 sc->rx_ring_ent[i].map);
660 sc->rx_ring_ent[i].map = NULL;
662 device_printf(sc->dev,
666 error = bus_dma_tag_destroy(sc->rx_buf_tag);
667 sc->rx_buf_tag = NULL;
669 device_printf(sc->dev,
684 * "queue" is the software queue index (0-4); "qid" is the hardware index
685 * (0-16). "base" is the starting index in the ring array.
694 q = &sc->tx_queue[queue];
695 q->entries = &sc->tx_ring_ent[base];
696 q->hwindex = qid;
697 q->nentries = nentries;
699 /* TX ring */
701 q->queued = 0;
702 q->cons_idx = q->prod_idx = 0;
716 TX_DESC_COUNT * GENET_DMA_DESC_SIZE / 4 - 1);
733 * "queue" is the software queue index (0-4); "qid" is the hardware index
734 * (0-16). "base" is the starting index in the ring array.
744 q = &sc->rx_queue[queue];
745 q->entries = &sc->rx_ring_ent[base];
746 q->hwindex = qid;
747 q->nentries = nentries;
748 q->cons_idx = q->prod_idx = 0;
762 RX_DESC_COUNT * GENET_DMA_DESC_SIZE / 4 - 1);
771 /* fill ring */
773 gen_newbuf_rx(sc, &sc->rx_queue[DEF_RXQUEUE], i);
792 sc->tx_queue[i].queue = i;
802 sc->tx_queue[DEF_TXQUEUE].hwindex = GENET_DMA_DEFAULT_QUEUE;
815 sc->rx_queue[i].queue = i;
825 sc->rx_queue[DEF_RXQUEUE].hwindex = GENET_DMA_DEFAULT_QUEUE;
837 callout_stop(&sc->stat_ch);
838 if_setdrvflagbits(sc->ifp, 0, IFF_DRV_RUNNING);
843 /* Clear the tx/rx ring buffer */
845 ent = &sc->tx_ring_ent[i];
846 if (ent->mbuf != NULL) {
847 bus_dmamap_sync(sc->tx_buf_tag, ent->map,
849 bus_dmamap_unload(sc->tx_buf_tag, ent->map);
850 m_freem(ent->mbuf);
851 ent->mbuf = NULL;
856 ent = &sc->rx_ring_ent[i];
857 if (ent->mbuf != NULL) {
858 bus_dmamap_sync(sc->rx_buf_tag, ent->map,
860 bus_dmamap_unload(sc->rx_buf_tag, ent->map);
861 m_freem(ent->mbuf);
862 ent->mbuf = NULL;
873 mii = device_get_softc(sc->miibus);
874 ifp = sc->ifp;
881 switch (sc->phy_mode)
906 callout_reset(&sc->stat_ch, hz, gen_tick, sc);
945 if_t ifp = sc->ifp;
973 mdf_ctrl = (__BIT(GENET_MAX_MDF_FILTER) - 1) &~
974 (__BIT(GENET_MAX_MDF_FILTER - n) - 1);
990 ifp = sc->ifp;
1011 if (!sc->link)
1014 ifp = sc->ifp;
1068 q = &sc->tx_queue[DEF_TXQUEUE];
1069 if (q->queued == q->nentries) {
1080 if (m->m_len == sizeof(struct ether_header)) {
1081 m = m_pullup(m, MIN(m->m_pkthdr.len, gen_tx_hdr_min));
1083 if (if_getflags(sc->ifp) & IFF_DEBUG)
1084 device_printf(sc->dev,
1085 "header pullup fail\n");
1091 if ((if_getcapenable(sc->ifp) & (IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6)) !=
1093 csum_flags = m->m_pkthdr.csum_flags;
1094 csumdata = m->m_pkthdr.csum_data;
1097 if (if_getflags(sc->ifp) & IFF_DEBUG)
1098 device_printf(sc->dev, "prepend fail\n");
1110 sb->txcsuminfo = csuminfo;
1112 sb->txcsuminfo = 0;
1117 cur = first = q->cur;
1118 ent = &q->entries[cur];
1119 map = ent->map;
1120 error = bus_dmamap_load_mbuf_sg(sc->tx_buf_tag, map, m, segs,
1125 device_printf(sc->dev,
1132 error = bus_dmamap_load_mbuf_sg(sc->tx_buf_tag, map, m,
1140 device_printf(sc->dev,
1152 m->m_data += sizeof(struct statusblock);
1153 m->m_len -= sizeof(struct statusblock);
1154 m->m_pkthdr.len -= sizeof(struct statusblock);
1156 if (q->queued + nsegs > q->nentries) {
1157 bus_dmamap_unload(sc->tx_buf_tag, map);
1161 bus_dmamap_sync(sc->tx_buf_tag, map, BUS_DMASYNC_PREWRITE);
1163 index = q->prod_idx & (q->nentries - 1);
1165 ent = &q->entries[cur];
1173 if (i == nsegs - 1)
1185 ++q->queued;
1186 cur = TX_NEXT(cur, q->nentries);
1187 index = TX_NEXT(index, q->nentries);
1190 q->prod_idx += nsegs;
1191 q->prod_idx &= GENET_TX_DMA_PROD_CONS_MASK;
1194 WR4(sc, GENET_TX_DMA_PROD_INDEX(q->hwindex), q->prod_idx);
1195 q->cur = cur;
1198 q->entries[first].mbuf = m;
1217 if (m->m_len == sizeof(struct statusblock)) {
1219 m->m_data = m->m_pktdat;
1221 m = m->m_next;
1231 if ((m->m_flags & M_EXT) == 0 && m->m_data != m->m_pktdat)
1250 m0->m_data = m0->m_pktdat; \
1252 m0->m_len - sizeof(struct statusblock)); \
1253 copy_p = mtodo(m0, m0->m_len); \
1256 m0->m_len += hsize; \
1257 m->m_len -= hsize; \
1258 m->m_data += hsize; \
1266 if (((struct ether_header *)p)->ether_type == htons(ETHERTYPE_VLAN)) {
1268 ether_type = ntohs(((struct ether_vlan_header *)p)->evl_proto);
1270 if (m->m_len == off_in_m + sizeof(struct ether_vlan_header)) {
1271 m = m->m_next;
1281 ether_type = ntohs(((struct ether_header *)p)->ether_type);
1283 if (m->m_len == off_in_m + sizeof(struct ether_header)) {
1284 m = m->m_next;
1294 COPY(((struct ip *)p)->ip_hl << 2);
1295 offset += ((struct ip *)p)->ip_hl << 2;
1305 COPY(MIN(gen_tx_hdr_min, m->m_len));
1306 offset += MIN(gen_tx_hdr_min, m->m_len);
1325 gen_rxintr(sc, &sc->rx_queue[DEF_RXQUEUE]);
1328 gen_txintr(sc, &sc->tx_queue[DEF_TXQUEUE]);
1329 if (!if_sendq_empty(sc->ifp))
1345 ifp = sc->ifp;
1350 prod_idx = RD4(sc, GENET_RX_DMA_PROD_INDEX(q->hwindex)) &
1352 total = (prod_idx - q->cons_idx) & GENET_RX_DMA_PROD_CONS_MASK;
1354 index = q->cons_idx & (RX_DESC_COUNT - 1);
1356 bus_dmamap_sync(sc->rx_buf_tag, q->entries[index].map,
1358 bus_dmamap_unload(sc->rx_buf_tag, q->entries[index].map);
1360 m = q->entries[index].mbuf;
1364 status = sb->status_buflen;
1377 device_printf(sc->dev,
1379 sb->rxcsum);
1388 device_printf(sc->dev, "gen_newbuf_rx %d\n",
1398 m->m_pkthdr.csum_flags = CSUM_DATA_VALID |
1400 m->m_pkthdr.csum_data = 0xffff;
1402 m->m_data += sizeof(struct statusblock);
1403 m->m_len -= sizeof(struct statusblock);
1404 len -= sizeof(struct statusblock);
1408 len -= ETHER_ALIGN;
1411 m->m_pkthdr.rcvif = ifp;
1412 m->m_pkthdr.len = len;
1413 m->m_len = len;
1416 m->m_nextpkt = NULL;
1420 mt->m_nextpkt = m;
1425 index = RX_NEXT(index, q->nentries);
1427 q->cons_idx = (q->cons_idx + 1) & GENET_RX_DMA_PROD_CONS_MASK;
1428 WR4(sc, GENET_RX_DMA_CONS_INDEX(q->hwindex), q->cons_idx);
1458 ifp = sc->ifp;
1460 cons_idx = RD4(sc, GENET_TX_DMA_CONS_INDEX(q->hwindex)) &
1462 total = (cons_idx - q->cons_idx) & GENET_TX_DMA_PROD_CONS_MASK;
1465 for (i = q->next; q->queued > 0 && total > 0;
1466 i = TX_NEXT(i, q->nentries), total--) {
1469 ent = &q->entries[i];
1470 if (ent->mbuf != NULL) {
1471 bus_dmamap_sync(sc->tx_buf_tag, ent->map,
1473 bus_dmamap_unload(sc->tx_buf_tag, ent->map);
1474 m_freem(ent->mbuf);
1475 ent->mbuf = NULL;
1480 --q->queued;
1484 q->next = i;
1488 q->cons_idx = cons_idx;
1496 device_printf(sc->dev, "gen_intr2\n");
1508 m->m_pkthdr.len = m->m_len = m->m_ext.ext_size;
1522 map = q->entries[index].map;
1523 if (bus_dmamap_load_mbuf_sg(sc->rx_buf_tag, map, m, &seg, &nsegs,
1529 bus_dmamap_sync(sc->rx_buf_tag, map, BUS_DMASYNC_PREREAD);
1531 q->entries[index].mbuf = m;
1547 mii = device_get_softc(sc->miibus);
1556 flags = if_getflags(ifp) ^ sc->if_flags;
1565 sc->if_flags = if_getflags(ifp);
1580 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd);
1585 flags = ifr->ifr_reqcap ^ enable;
1619 ifp = sc->ifp;
1620 mii = device_get_softc(sc->miibus);
1627 link = sc->link;
1629 if (sc->link && !link)
1632 callout_reset(&sc->stat_ch, hz, gen_tick, sc);
1650 for (retry = MII_BUSY_RETRY; retry > 0; retry--) {
1654 return (0); /* -1? */
1681 for (retry = MII_BUSY_RETRY; retry > 0; retry--) {
1703 if ((if_getdrvflags(sc->ifp) & IFF_DRV_RUNNING) == 0)
1705 mii = device_get_softc(sc->miibus);
1707 if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) ==
1709 switch (IFM_SUBTYPE(mii->mii_media_active)) {
1713 sc->link = 1;
1717 sc->link = 1;
1721 sc->link = 1;
1724 sc->link = 0;
1728 sc->link = 0;
1730 if (sc->link == 0)
1737 if (sc->phy_mode == MII_CONTYPE_RGMII)
1768 taskqueue_enqueue(taskqueue_swi, &sc->link_task);
1778 mii = device_get_softc(sc->miibus);
1782 ifmr->ifm_active = mii->mii_media_active;
1783 ifmr->ifm_status = mii->mii_media_status;
1795 mii = device_get_softc(sc->miibus);