Lines Matching full:mp
418 static inline u32 rdl(struct mv643xx_eth_private *mp, int offset) in rdl() argument
420 return readl(mp->shared->base + offset); in rdl()
423 static inline u32 rdlp(struct mv643xx_eth_private *mp, int offset) in rdlp() argument
425 return readl(mp->base + offset); in rdlp()
428 static inline void wrl(struct mv643xx_eth_private *mp, int offset, u32 data) in wrl() argument
430 writel(data, mp->shared->base + offset); in wrl()
433 static inline void wrlp(struct mv643xx_eth_private *mp, int offset, u32 data) in wrlp() argument
435 writel(data, mp->base + offset); in wrlp()
452 struct mv643xx_eth_private *mp = rxq_to_mp(rxq); in rxq_enable() local
453 wrlp(mp, RXQ_COMMAND, 1 << rxq->index); in rxq_enable()
458 struct mv643xx_eth_private *mp = rxq_to_mp(rxq); in rxq_disable() local
461 wrlp(mp, RXQ_COMMAND, mask << 8); in rxq_disable()
462 while (rdlp(mp, RXQ_COMMAND) & mask) in rxq_disable()
468 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_reset_hw_ptr() local
473 wrlp(mp, TXQ_CURRENT_DESC_PTR(txq->index), addr); in txq_reset_hw_ptr()
478 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_enable() local
479 wrlp(mp, TXQ_COMMAND, 1 << txq->index); in txq_enable()
484 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_disable() local
487 wrlp(mp, TXQ_COMMAND, mask << 8); in txq_disable()
488 while (rdlp(mp, TXQ_COMMAND) & mask) in txq_disable()
494 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_maybe_wake() local
495 struct netdev_queue *nq = netdev_get_tx_queue(mp->dev, txq->index); in txq_maybe_wake()
507 struct mv643xx_eth_private *mp = rxq_to_mp(rxq); in rxq_process() local
508 struct net_device_stats *stats = &mp->dev->stats; in rxq_process()
532 dma_unmap_single(mp->dev->dev.parent, rx_desc->buf_ptr, in rxq_process()
537 mp->work_rx_refill |= 1 << rxq->index; in rxq_process()
569 skb->protocol = eth_type_trans(skb, mp->dev); in rxq_process()
571 napi_gro_receive(&mp->napi, skb); in rxq_process()
581 netdev_err(mp->dev, in rxq_process()
592 mp->work_rx &= ~(1 << rxq->index); in rxq_process()
599 struct mv643xx_eth_private *mp = rxq_to_mp(rxq); in rxq_refill() local
609 skb = netdev_alloc_skb(mp->dev, mp->skb_size); in rxq_refill()
612 mp->oom = 1; in rxq_refill()
629 rx_desc->buf_ptr = dma_map_single(mp->dev->dev.parent, in rxq_refill()
647 mp->work_rx_refill &= ~(1 << rxq->index); in rxq_refill()
669 static int skb_tx_csum(struct mv643xx_eth_private *mp, struct sk_buff *skb, in skb_tx_csum() argument
685 if (length - hdr_len > mp->shared->tx_csum_limit || in skb_tx_csum()
776 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_put_hdr_tso() local
788 ret = skb_tx_csum(mp, skb, &l4i_chk, &cmd_csum, length); in txq_put_hdr_tso()
818 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_submit_tso() local
874 mp->work_tx_end &= ~(1 << txq->index); in txq_submit_tso()
890 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_submit_frag_skb() local
920 desc->buf_ptr = skb_frag_dma_map(mp->dev->dev.parent, in txq_submit_frag_skb()
929 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_submit_skb() local
946 ret = skb_tx_csum(mp, skb, &l4i_chk, &cmd_sts, skb->len); in txq_submit_skb()
967 desc->buf_ptr = dma_map_single(mp->dev->dev.parent, skb->data, in txq_submit_skb()
979 mp->work_tx_end &= ~(1 << txq->index); in txq_submit_skb()
992 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_xmit() local
998 txq = mp->txq + queue; in mv643xx_eth_xmit()
1031 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_kick() local
1032 struct netdev_queue *nq = netdev_get_tx_queue(mp->dev, txq->index); in txq_kick()
1038 if (rdlp(mp, TXQ_COMMAND) & (1 << txq->index)) in txq_kick()
1041 hw_desc_ptr = rdlp(mp, TXQ_CURRENT_DESC_PTR(txq->index)); in txq_kick()
1051 mp->work_tx_end &= ~(1 << txq->index); in txq_kick()
1056 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_reclaim() local
1057 struct netdev_queue *nq = netdev_get_tx_queue(mp->dev, txq->index); in txq_reclaim()
1091 dma_unmap_page(mp->dev->dev.parent, in txq_reclaim()
1096 dma_unmap_single(mp->dev->dev.parent, in txq_reclaim()
1110 netdev_info(mp->dev, "tx error\n"); in txq_reclaim()
1111 mp->dev->stats.tx_errors++; in txq_reclaim()
1119 mp->work_tx &= ~(1 << txq->index); in txq_reclaim()
1130 static void tx_set_rate(struct mv643xx_eth_private *mp, int rate, int burst) in tx_set_rate() argument
1136 token_rate = ((rate / 1000) * 64) / (mp->t_clk / 1000); in tx_set_rate()
1140 mtu = (mp->dev->mtu + 255) >> 8; in tx_set_rate()
1148 switch (mp->shared->tx_bw_control) { in tx_set_rate()
1150 wrlp(mp, TX_BW_RATE, token_rate); in tx_set_rate()
1151 wrlp(mp, TX_BW_MTU, mtu); in tx_set_rate()
1152 wrlp(mp, TX_BW_BURST, bucket_size); in tx_set_rate()
1155 wrlp(mp, TX_BW_RATE_MOVED, token_rate); in tx_set_rate()
1156 wrlp(mp, TX_BW_MTU_MOVED, mtu); in tx_set_rate()
1157 wrlp(mp, TX_BW_BURST_MOVED, bucket_size); in tx_set_rate()
1164 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_set_rate() local
1168 token_rate = ((rate / 1000) * 64) / (mp->t_clk / 1000); in txq_set_rate()
1176 wrlp(mp, TXQ_BW_TOKENS(txq->index), token_rate << 14); in txq_set_rate()
1177 wrlp(mp, TXQ_BW_CONF(txq->index), (bucket_size << 10) | token_rate); in txq_set_rate()
1182 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_set_fixed_prio_mode() local
1190 switch (mp->shared->tx_bw_control) { in txq_set_fixed_prio_mode()
1200 val = rdlp(mp, off); in txq_set_fixed_prio_mode()
1202 wrlp(mp, off, val); in txq_set_fixed_prio_mode()
1210 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_adjust_link() local
1211 u32 pscr = rdlp(mp, PORT_SERIAL_CONTROL); in mv643xx_eth_adjust_link()
1245 wrlp(mp, PORT_SERIAL_CONTROL, pscr); in mv643xx_eth_adjust_link()
1251 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_get_stats() local
1258 for (i = 0; i < mp->txq_count; i++) { in mv643xx_eth_get_stats()
1259 struct tx_queue *txq = mp->txq + i; in mv643xx_eth_get_stats()
1273 static inline u32 mib_read(struct mv643xx_eth_private *mp, int offset) in mib_read() argument
1275 return rdl(mp, MIB_COUNTERS(mp->port_num) + offset); in mib_read()
1278 static void mib_counters_clear(struct mv643xx_eth_private *mp) in mib_counters_clear() argument
1283 mib_read(mp, i); in mib_counters_clear()
1286 rdlp(mp, RX_DISCARD_FRAME_CNT); in mib_counters_clear()
1287 rdlp(mp, RX_OVERRUN_FRAME_CNT); in mib_counters_clear()
1290 static void mib_counters_update(struct mv643xx_eth_private *mp) in mib_counters_update() argument
1292 struct mib_counters *p = &mp->mib_counters; in mib_counters_update()
1294 spin_lock_bh(&mp->mib_counters_lock); in mib_counters_update()
1295 p->good_octets_received += mib_read(mp, 0x00); in mib_counters_update()
1296 p->bad_octets_received += mib_read(mp, 0x08); in mib_counters_update()
1297 p->internal_mac_transmit_err += mib_read(mp, 0x0c); in mib_counters_update()
1298 p->good_frames_received += mib_read(mp, 0x10); in mib_counters_update()
1299 p->bad_frames_received += mib_read(mp, 0x14); in mib_counters_update()
1300 p->broadcast_frames_received += mib_read(mp, 0x18); in mib_counters_update()
1301 p->multicast_frames_received += mib_read(mp, 0x1c); in mib_counters_update()
1302 p->frames_64_octets += mib_read(mp, 0x20); in mib_counters_update()
1303 p->frames_65_to_127_octets += mib_read(mp, 0x24); in mib_counters_update()
1304 p->frames_128_to_255_octets += mib_read(mp, 0x28); in mib_counters_update()
1305 p->frames_256_to_511_octets += mib_read(mp, 0x2c); in mib_counters_update()
1306 p->frames_512_to_1023_octets += mib_read(mp, 0x30); in mib_counters_update()
1307 p->frames_1024_to_max_octets += mib_read(mp, 0x34); in mib_counters_update()
1308 p->good_octets_sent += mib_read(mp, 0x38); in mib_counters_update()
1309 p->good_frames_sent += mib_read(mp, 0x40); in mib_counters_update()
1310 p->excessive_collision += mib_read(mp, 0x44); in mib_counters_update()
1311 p->multicast_frames_sent += mib_read(mp, 0x48); in mib_counters_update()
1312 p->broadcast_frames_sent += mib_read(mp, 0x4c); in mib_counters_update()
1313 p->unrec_mac_control_received += mib_read(mp, 0x50); in mib_counters_update()
1314 p->fc_sent += mib_read(mp, 0x54); in mib_counters_update()
1315 p->good_fc_received += mib_read(mp, 0x58); in mib_counters_update()
1316 p->bad_fc_received += mib_read(mp, 0x5c); in mib_counters_update()
1317 p->undersize_received += mib_read(mp, 0x60); in mib_counters_update()
1318 p->fragments_received += mib_read(mp, 0x64); in mib_counters_update()
1319 p->oversize_received += mib_read(mp, 0x68); in mib_counters_update()
1320 p->jabber_received += mib_read(mp, 0x6c); in mib_counters_update()
1321 p->mac_receive_error += mib_read(mp, 0x70); in mib_counters_update()
1322 p->bad_crc_event += mib_read(mp, 0x74); in mib_counters_update()
1323 p->collision += mib_read(mp, 0x78); in mib_counters_update()
1324 p->late_collision += mib_read(mp, 0x7c); in mib_counters_update()
1326 p->rx_discard += rdlp(mp, RX_DISCARD_FRAME_CNT); in mib_counters_update()
1327 p->rx_overrun += rdlp(mp, RX_OVERRUN_FRAME_CNT); in mib_counters_update()
1328 spin_unlock_bh(&mp->mib_counters_lock); in mib_counters_update()
1333 struct mv643xx_eth_private *mp = from_timer(mp, t, mib_counters_timer); in mib_counters_timer_wrapper() local
1334 mib_counters_update(mp); in mib_counters_timer_wrapper()
1335 mod_timer(&mp->mib_counters_timer, jiffies + 30 * HZ); in mib_counters_timer_wrapper()
1351 static unsigned int get_rx_coal(struct mv643xx_eth_private *mp) in get_rx_coal() argument
1353 u32 val = rdlp(mp, SDMA_CONFIG); in get_rx_coal()
1356 if (mp->shared->extended_rx_coal_limit) in get_rx_coal()
1362 temp += mp->t_clk / 2; in get_rx_coal()
1363 do_div(temp, mp->t_clk); in get_rx_coal()
1368 static void set_rx_coal(struct mv643xx_eth_private *mp, unsigned int usec) in set_rx_coal() argument
1373 temp = (u64)usec * mp->t_clk; in set_rx_coal()
1377 val = rdlp(mp, SDMA_CONFIG); in set_rx_coal()
1378 if (mp->shared->extended_rx_coal_limit) { in set_rx_coal()
1390 wrlp(mp, SDMA_CONFIG, val); in set_rx_coal()
1393 static unsigned int get_tx_coal(struct mv643xx_eth_private *mp) in get_tx_coal() argument
1397 temp = (rdlp(mp, TX_FIFO_URGENT_THRESHOLD) & 0x3fff0) >> 4; in get_tx_coal()
1399 temp += mp->t_clk / 2; in get_tx_coal()
1400 do_div(temp, mp->t_clk); in get_tx_coal()
1405 static void set_tx_coal(struct mv643xx_eth_private *mp, unsigned int usec) in set_tx_coal() argument
1409 temp = (u64)usec * mp->t_clk; in set_tx_coal()
1416 wrlp(mp, TX_FIFO_URGENT_THRESHOLD, temp << 4); in set_tx_coal()
1480 mv643xx_eth_get_link_ksettings_phy(struct mv643xx_eth_private *mp, in mv643xx_eth_get_link_ksettings_phy() argument
1483 struct net_device *dev = mp->dev; in mv643xx_eth_get_link_ksettings_phy()
1499 mv643xx_eth_get_link_ksettings_phyless(struct mv643xx_eth_private *mp, in mv643xx_eth_get_link_ksettings_phyless() argument
1505 port_status = rdlp(mp, PORT_STATUS); in mv643xx_eth_get_link_ksettings_phyless()
1567 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_get_link_ksettings() local
1570 return mv643xx_eth_get_link_ksettings_phy(mp, cmd); in mv643xx_eth_get_link_ksettings()
1572 return mv643xx_eth_get_link_ksettings_phyless(mp, cmd); in mv643xx_eth_get_link_ksettings()
1615 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_get_coalesce() local
1617 ec->rx_coalesce_usecs = get_rx_coal(mp); in mv643xx_eth_get_coalesce()
1618 ec->tx_coalesce_usecs = get_tx_coal(mp); in mv643xx_eth_get_coalesce()
1626 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_set_coalesce() local
1628 set_rx_coal(mp, ec->rx_coalesce_usecs); in mv643xx_eth_set_coalesce()
1629 set_tx_coal(mp, ec->tx_coalesce_usecs); in mv643xx_eth_set_coalesce()
1637 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_get_ringparam() local
1642 er->rx_pending = mp->rx_ring_size; in mv643xx_eth_get_ringparam()
1643 er->tx_pending = mp->tx_ring_size; in mv643xx_eth_get_ringparam()
1649 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_set_ringparam() local
1654 mp->rx_ring_size = er->rx_pending < 4096 ? er->rx_pending : 4096; in mv643xx_eth_set_ringparam()
1655 mp->tx_ring_size = clamp_t(unsigned int, er->tx_pending, in mv643xx_eth_set_ringparam()
1657 if (mp->tx_ring_size != er->tx_pending) in mv643xx_eth_set_ringparam()
1659 mp->tx_ring_size, er->tx_pending); in mv643xx_eth_set_ringparam()
1677 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_set_features() local
1680 wrlp(mp, PORT_CONFIG, rx_csum ? 0x02000000 : 0x00000000); in mv643xx_eth_set_features()
1703 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_get_ethtool_stats() local
1707 mib_counters_update(mp); in mv643xx_eth_get_ethtool_stats()
1716 p = ((void *)mp->dev) + stat->netdev_off; in mv643xx_eth_get_ethtool_stats()
1718 p = ((void *)mp) + stat->mp_off; in mv643xx_eth_get_ethtool_stats()
1754 static void uc_addr_get(struct mv643xx_eth_private *mp, unsigned char *addr) in uc_addr_get() argument
1756 unsigned int mac_h = rdlp(mp, MAC_ADDR_HIGH); in uc_addr_get()
1757 unsigned int mac_l = rdlp(mp, MAC_ADDR_LOW); in uc_addr_get()
1767 static void uc_addr_set(struct mv643xx_eth_private *mp, unsigned char *addr) in uc_addr_set() argument
1769 wrlp(mp, MAC_ADDR_HIGH, in uc_addr_set()
1771 wrlp(mp, MAC_ADDR_LOW, (addr[4] << 8) | addr[5]); in uc_addr_set()
1797 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_program_unicast_filter() local
1802 uc_addr_set(mp, dev->dev_addr); in mv643xx_eth_program_unicast_filter()
1804 port_config = rdlp(mp, PORT_CONFIG) & ~UNICAST_PROMISCUOUS_MODE; in mv643xx_eth_program_unicast_filter()
1813 int off = UNICAST_TABLE(mp->port_num) + i; in mv643xx_eth_program_unicast_filter()
1827 wrl(mp, off, v); in mv643xx_eth_program_unicast_filter()
1830 wrlp(mp, PORT_CONFIG, port_config); in mv643xx_eth_program_unicast_filter()
1853 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_program_multicast_filter() local
1885 wrl(mp, SPECIAL_MCAST_TABLE(mp->port_num) + i * sizeof(u32), in mv643xx_eth_program_multicast_filter()
1887 wrl(mp, OTHER_MCAST_TABLE(mp->port_num) + i * sizeof(u32), in mv643xx_eth_program_multicast_filter()
1896 wrl(mp, SPECIAL_MCAST_TABLE(mp->port_num) + i * sizeof(u32), in mv643xx_eth_program_multicast_filter()
1898 wrl(mp, OTHER_MCAST_TABLE(mp->port_num) + i * sizeof(u32), in mv643xx_eth_program_multicast_filter()
1927 static int rxq_init(struct mv643xx_eth_private *mp, int index) in rxq_init() argument
1929 struct rx_queue *rxq = mp->rxq + index; in rxq_init()
1936 rxq->rx_ring_size = mp->rx_ring_size; in rxq_init()
1944 if (index == 0 && size <= mp->rx_desc_sram_size) { in rxq_init()
1945 rxq->rx_desc_area = ioremap(mp->rx_desc_sram_addr, in rxq_init()
1946 mp->rx_desc_sram_size); in rxq_init()
1947 rxq->rx_desc_dma = mp->rx_desc_sram_addr; in rxq_init()
1949 rxq->rx_desc_area = dma_alloc_coherent(mp->dev->dev.parent, in rxq_init()
1955 netdev_err(mp->dev, in rxq_init()
1983 if (index == 0 && size <= mp->rx_desc_sram_size) in rxq_init()
1986 dma_free_coherent(mp->dev->dev.parent, size, in rxq_init()
1996 struct mv643xx_eth_private *mp = rxq_to_mp(rxq); in rxq_deinit() local
2009 netdev_err(mp->dev, "error freeing rx ring -- %d skbs stuck\n", in rxq_deinit()
2014 rxq->rx_desc_area_size <= mp->rx_desc_sram_size) in rxq_deinit()
2017 dma_free_coherent(mp->dev->dev.parent, rxq->rx_desc_area_size, in rxq_deinit()
2023 static int txq_init(struct mv643xx_eth_private *mp, int index) in txq_init() argument
2025 struct tx_queue *txq = mp->txq + index; in txq_init()
2033 txq->tx_ring_size = mp->tx_ring_size; in txq_init()
2048 if (index == 0 && size <= mp->tx_desc_sram_size) { in txq_init()
2049 txq->tx_desc_area = ioremap(mp->tx_desc_sram_addr, in txq_init()
2050 mp->tx_desc_sram_size); in txq_init()
2051 txq->tx_desc_dma = mp->tx_desc_sram_addr; in txq_init()
2053 txq->tx_desc_area = dma_alloc_coherent(mp->dev->dev.parent, in txq_init()
2059 netdev_err(mp->dev, in txq_init()
2089 txq->tso_hdrs = dma_alloc_coherent(mp->dev->dev.parent, in txq_init()
2103 if (index == 0 && size <= mp->tx_desc_sram_size) in txq_init()
2106 dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size, in txq_init()
2113 struct mv643xx_eth_private *mp = txq_to_mp(txq); in txq_deinit() local
2121 txq->tx_desc_area_size <= mp->tx_desc_sram_size) in txq_deinit()
2124 dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size, in txq_deinit()
2129 dma_free_coherent(mp->dev->dev.parent, in txq_deinit()
2136 static int mv643xx_eth_collect_events(struct mv643xx_eth_private *mp) in mv643xx_eth_collect_events() argument
2141 int_cause = rdlp(mp, INT_CAUSE) & mp->int_mask; in mv643xx_eth_collect_events()
2148 int_cause_ext = rdlp(mp, INT_CAUSE_EXT); in mv643xx_eth_collect_events()
2152 wrlp(mp, INT_CAUSE, ~int_cause); in mv643xx_eth_collect_events()
2153 mp->work_tx_end |= ((int_cause & INT_TX_END) >> 19) & in mv643xx_eth_collect_events()
2154 ~(rdlp(mp, TXQ_COMMAND) & 0xff); in mv643xx_eth_collect_events()
2155 mp->work_rx |= (int_cause & INT_RX) >> 2; in mv643xx_eth_collect_events()
2160 wrlp(mp, INT_CAUSE_EXT, ~int_cause_ext); in mv643xx_eth_collect_events()
2162 mp->work_link = 1; in mv643xx_eth_collect_events()
2163 mp->work_tx |= int_cause_ext & INT_EXT_TX; in mv643xx_eth_collect_events()
2172 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_irq() local
2174 if (unlikely(!mv643xx_eth_collect_events(mp))) in mv643xx_eth_irq()
2177 wrlp(mp, INT_MASK, 0); in mv643xx_eth_irq()
2178 napi_schedule(&mp->napi); in mv643xx_eth_irq()
2183 static void handle_link_event(struct mv643xx_eth_private *mp) in handle_link_event() argument
2185 struct net_device *dev = mp->dev; in handle_link_event()
2191 port_status = rdlp(mp, PORT_STATUS); in handle_link_event()
2200 for (i = 0; i < mp->txq_count; i++) { in handle_link_event()
2201 struct tx_queue *txq = mp->txq + i; in handle_link_event()
2236 struct mv643xx_eth_private *mp; in mv643xx_eth_poll() local
2239 mp = container_of(napi, struct mv643xx_eth_private, napi); in mv643xx_eth_poll()
2241 if (unlikely(mp->oom)) { in mv643xx_eth_poll()
2242 mp->oom = 0; in mv643xx_eth_poll()
2243 del_timer(&mp->rx_oom); in mv643xx_eth_poll()
2252 if (mp->work_link) { in mv643xx_eth_poll()
2253 mp->work_link = 0; in mv643xx_eth_poll()
2254 handle_link_event(mp); in mv643xx_eth_poll()
2259 queue_mask = mp->work_tx | mp->work_tx_end | mp->work_rx; in mv643xx_eth_poll()
2260 if (likely(!mp->oom)) in mv643xx_eth_poll()
2261 queue_mask |= mp->work_rx_refill; in mv643xx_eth_poll()
2264 if (mv643xx_eth_collect_events(mp)) in mv643xx_eth_poll()
2276 if (mp->work_tx_end & queue_mask) { in mv643xx_eth_poll()
2277 txq_kick(mp->txq + queue); in mv643xx_eth_poll()
2278 } else if (mp->work_tx & queue_mask) { in mv643xx_eth_poll()
2279 work_done += txq_reclaim(mp->txq + queue, work_tbd, 0); in mv643xx_eth_poll()
2280 txq_maybe_wake(mp->txq + queue); in mv643xx_eth_poll()
2281 } else if (mp->work_rx & queue_mask) { in mv643xx_eth_poll()
2282 work_done += rxq_process(mp->rxq + queue, work_tbd); in mv643xx_eth_poll()
2283 } else if (!mp->oom && (mp->work_rx_refill & queue_mask)) { in mv643xx_eth_poll()
2284 work_done += rxq_refill(mp->rxq + queue, work_tbd); in mv643xx_eth_poll()
2291 if (mp->oom) in mv643xx_eth_poll()
2292 mod_timer(&mp->rx_oom, jiffies + (HZ / 10)); in mv643xx_eth_poll()
2294 wrlp(mp, INT_MASK, mp->int_mask); in mv643xx_eth_poll()
2302 struct mv643xx_eth_private *mp = from_timer(mp, t, rx_oom); in oom_timer_wrapper() local
2304 napi_schedule(&mp->napi); in oom_timer_wrapper()
2307 static void port_start(struct mv643xx_eth_private *mp) in port_start() argument
2309 struct net_device *dev = mp->dev; in port_start()
2329 pscr = rdlp(mp, PORT_SERIAL_CONTROL); in port_start()
2332 wrlp(mp, PORT_SERIAL_CONTROL, pscr); in port_start()
2337 wrlp(mp, PORT_SERIAL_CONTROL, pscr); in port_start()
2342 tx_set_rate(mp, 1000000000, 16777216); in port_start()
2343 for (i = 0; i < mp->txq_count; i++) { in port_start()
2344 struct tx_queue *txq = mp->txq + i; in port_start()
2356 mv643xx_eth_set_features(mp->dev, mp->dev->features); in port_start()
2361 wrlp(mp, PORT_CONFIG_EXT, 0x00000000); in port_start()
2366 mv643xx_eth_program_unicast_filter(mp->dev); in port_start()
2371 for (i = 0; i < mp->rxq_count; i++) { in port_start()
2372 struct rx_queue *rxq = mp->rxq + i; in port_start()
2377 wrlp(mp, RXQ_CURRENT_DESC_PTR(i), addr); in port_start()
2383 static void mv643xx_eth_recalc_skb_size(struct mv643xx_eth_private *mp) in mv643xx_eth_recalc_skb_size() argument
2393 skb_size = mp->dev->mtu + 36; in mv643xx_eth_recalc_skb_size()
2400 mp->skb_size = (skb_size + 7) & ~7; in mv643xx_eth_recalc_skb_size()
2408 mp->skb_size += SKB_DMA_REALIGN; in mv643xx_eth_recalc_skb_size()
2413 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_open() local
2417 wrlp(mp, INT_CAUSE, 0); in mv643xx_eth_open()
2418 wrlp(mp, INT_CAUSE_EXT, 0); in mv643xx_eth_open()
2419 rdlp(mp, INT_CAUSE_EXT); in mv643xx_eth_open()
2428 mv643xx_eth_recalc_skb_size(mp); in mv643xx_eth_open()
2430 napi_enable(&mp->napi); in mv643xx_eth_open()
2432 mp->int_mask = INT_EXT; in mv643xx_eth_open()
2434 for (i = 0; i < mp->rxq_count; i++) { in mv643xx_eth_open()
2435 err = rxq_init(mp, i); in mv643xx_eth_open()
2438 rxq_deinit(mp->rxq + i); in mv643xx_eth_open()
2442 rxq_refill(mp->rxq + i, INT_MAX); in mv643xx_eth_open()
2443 mp->int_mask |= INT_RX_0 << i; in mv643xx_eth_open()
2446 if (mp->oom) { in mv643xx_eth_open()
2447 mp->rx_oom.expires = jiffies + (HZ / 10); in mv643xx_eth_open()
2448 add_timer(&mp->rx_oom); in mv643xx_eth_open()
2451 for (i = 0; i < mp->txq_count; i++) { in mv643xx_eth_open()
2452 err = txq_init(mp, i); in mv643xx_eth_open()
2455 txq_deinit(mp->txq + i); in mv643xx_eth_open()
2458 mp->int_mask |= INT_TX_END_0 << i; in mv643xx_eth_open()
2461 add_timer(&mp->mib_counters_timer); in mv643xx_eth_open()
2462 port_start(mp); in mv643xx_eth_open()
2464 wrlp(mp, INT_MASK_EXT, INT_EXT_LINK_PHY | INT_EXT_TX); in mv643xx_eth_open()
2465 wrlp(mp, INT_MASK, mp->int_mask); in mv643xx_eth_open()
2471 for (i = 0; i < mp->rxq_count; i++) in mv643xx_eth_open()
2472 rxq_deinit(mp->rxq + i); in mv643xx_eth_open()
2474 napi_disable(&mp->napi); in mv643xx_eth_open()
2480 static void port_reset(struct mv643xx_eth_private *mp) in port_reset() argument
2485 for (i = 0; i < mp->rxq_count; i++) in port_reset()
2486 rxq_disable(mp->rxq + i); in port_reset()
2487 for (i = 0; i < mp->txq_count; i++) in port_reset()
2488 txq_disable(mp->txq + i); in port_reset()
2491 u32 ps = rdlp(mp, PORT_STATUS); in port_reset()
2499 data = rdlp(mp, PORT_SERIAL_CONTROL); in port_reset()
2503 wrlp(mp, PORT_SERIAL_CONTROL, data); in port_reset()
2508 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_stop() local
2511 wrlp(mp, INT_MASK_EXT, 0x00000000); in mv643xx_eth_stop()
2512 wrlp(mp, INT_MASK, 0x00000000); in mv643xx_eth_stop()
2513 rdlp(mp, INT_MASK); in mv643xx_eth_stop()
2515 napi_disable(&mp->napi); in mv643xx_eth_stop()
2517 del_timer_sync(&mp->rx_oom); in mv643xx_eth_stop()
2524 port_reset(mp); in mv643xx_eth_stop()
2526 mib_counters_update(mp); in mv643xx_eth_stop()
2527 del_timer_sync(&mp->mib_counters_timer); in mv643xx_eth_stop()
2529 for (i = 0; i < mp->rxq_count; i++) in mv643xx_eth_stop()
2530 rxq_deinit(mp->rxq + i); in mv643xx_eth_stop()
2531 for (i = 0; i < mp->txq_count; i++) in mv643xx_eth_stop()
2532 txq_deinit(mp->txq + i); in mv643xx_eth_stop()
2552 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_change_mtu() local
2555 mv643xx_eth_recalc_skb_size(mp); in mv643xx_eth_change_mtu()
2556 tx_set_rate(mp, 1000000000, 16777216); in mv643xx_eth_change_mtu()
2578 struct mv643xx_eth_private *mp; in tx_timeout_task() local
2580 mp = container_of(ugly, struct mv643xx_eth_private, tx_timeout_task); in tx_timeout_task()
2581 if (netif_running(mp->dev)) { in tx_timeout_task()
2582 netif_tx_stop_all_queues(mp->dev); in tx_timeout_task()
2583 port_reset(mp); in tx_timeout_task()
2584 port_start(mp); in tx_timeout_task()
2585 netif_tx_wake_all_queues(mp->dev); in tx_timeout_task()
2591 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_tx_timeout() local
2595 schedule_work(&mp->tx_timeout_task); in mv643xx_eth_tx_timeout()
2601 struct mv643xx_eth_private *mp = netdev_priv(dev); in mv643xx_eth_netpoll() local
2603 wrlp(mp, INT_MASK, 0x00000000); in mv643xx_eth_netpoll()
2604 rdlp(mp, INT_MASK); in mv643xx_eth_netpoll()
2608 wrlp(mp, INT_MASK, mp->int_mask); in mv643xx_eth_netpoll()
2900 static void phy_addr_set(struct mv643xx_eth_private *mp, int phy_addr) in phy_addr_set() argument
2902 int addr_shift = 5 * mp->port_num; in phy_addr_set()
2905 data = rdl(mp, PHY_ADDR); in phy_addr_set()
2908 wrl(mp, PHY_ADDR, data); in phy_addr_set()
2911 static int phy_addr_get(struct mv643xx_eth_private *mp) in phy_addr_get() argument
2915 data = rdl(mp, PHY_ADDR); in phy_addr_get()
2917 return (data >> (5 * mp->port_num)) & 0x1f; in phy_addr_get()
2920 static void set_params(struct mv643xx_eth_private *mp, in set_params() argument
2923 struct net_device *dev = mp->dev; in set_params()
2929 uc_addr_get(mp, dev->dev_addr); in set_params()
2931 mp->rx_ring_size = DEFAULT_RX_QUEUE_SIZE; in set_params()
2933 mp->rx_ring_size = pd->rx_queue_size; in set_params()
2934 mp->rx_desc_sram_addr = pd->rx_sram_addr; in set_params()
2935 mp->rx_desc_sram_size = pd->rx_sram_size; in set_params()
2937 mp->rxq_count = pd->rx_queue_count ? : 1; in set_params()
2943 mp->tx_ring_size = clamp_t(unsigned int, tx_ring_size, in set_params()
2945 if (mp->tx_ring_size != tx_ring_size) in set_params()
2947 mp->tx_ring_size, tx_ring_size); in set_params()
2949 mp->tx_desc_sram_addr = pd->tx_sram_addr; in set_params()
2950 mp->tx_desc_sram_size = pd->tx_sram_size; in set_params()
2952 mp->txq_count = pd->tx_queue_count ? : 1; in set_params()
2955 static int get_phy_mode(struct mv643xx_eth_private *mp) in get_phy_mode() argument
2957 struct device *dev = mp->dev->dev.parent; in get_phy_mode()
2972 static struct phy_device *phy_scan(struct mv643xx_eth_private *mp, in phy_scan() argument
2982 start = phy_addr_get(mp) & 0x1f; in phy_scan()
2997 phydev = phy_connect(mp->dev, phy_id, mv643xx_eth_adjust_link, in phy_scan()
2998 get_phy_mode(mp)); in phy_scan()
3000 phy_addr_set(mp, addr); in phy_scan()
3008 static void phy_init(struct mv643xx_eth_private *mp, int speed, int duplex) in phy_init() argument
3010 struct net_device *dev = mp->dev; in phy_init()
3029 static void init_pscr(struct mv643xx_eth_private *mp, int speed, int duplex) in init_pscr() argument
3031 struct net_device *dev = mp->dev; in init_pscr()
3034 pscr = rdlp(mp, PORT_SERIAL_CONTROL); in init_pscr()
3037 wrlp(mp, PORT_SERIAL_CONTROL, pscr); in init_pscr()
3055 wrlp(mp, PORT_SERIAL_CONTROL, pscr); in init_pscr()
3078 struct mv643xx_eth_private *mp; in mv643xx_eth_probe() local
3100 mp = netdev_priv(dev); in mv643xx_eth_probe()
3101 platform_set_drvdata(pdev, mp); in mv643xx_eth_probe()
3103 mp->shared = platform_get_drvdata(pd->shared); in mv643xx_eth_probe()
3104 mp->base = mp->shared->base + 0x0400 + (pd->port_number << 10); in mv643xx_eth_probe()
3105 mp->port_num = pd->port_number; in mv643xx_eth_probe()
3107 mp->dev = dev; in mv643xx_eth_probe()
3115 wrlp(mp, PORT_SERIAL_CONTROL1, in mv643xx_eth_probe()
3116 rdlp(mp, PORT_SERIAL_CONTROL1) & ~CLK125_BYPASS_EN); in mv643xx_eth_probe()
3122 mp->t_clk = 133000000; in mv643xx_eth_probe()
3123 mp->clk = devm_clk_get(&pdev->dev, NULL); in mv643xx_eth_probe()
3124 if (!IS_ERR(mp->clk)) { in mv643xx_eth_probe()
3125 clk_prepare_enable(mp->clk); in mv643xx_eth_probe()
3126 mp->t_clk = clk_get_rate(mp->clk); in mv643xx_eth_probe()
3127 } else if (!IS_ERR(mp->shared->clk)) { in mv643xx_eth_probe()
3128 mp->t_clk = clk_get_rate(mp->shared->clk); in mv643xx_eth_probe()
3131 set_params(mp, pd); in mv643xx_eth_probe()
3132 netif_set_real_num_tx_queues(dev, mp->txq_count); in mv643xx_eth_probe()
3133 netif_set_real_num_rx_queues(dev, mp->rxq_count); in mv643xx_eth_probe()
3137 phydev = of_phy_connect(mp->dev, pd->phy_node, in mv643xx_eth_probe()
3139 get_phy_mode(mp)); in mv643xx_eth_probe()
3143 phy_addr_set(mp, phydev->mdio.addr); in mv643xx_eth_probe()
3145 phydev = phy_scan(mp, pd->phy_addr); in mv643xx_eth_probe()
3150 phy_init(mp, pd->speed, pd->duplex); in mv643xx_eth_probe()
3161 init_pscr(mp, pd->speed, pd->duplex); in mv643xx_eth_probe()
3164 mib_counters_clear(mp); in mv643xx_eth_probe()
3166 timer_setup(&mp->mib_counters_timer, mib_counters_timer_wrapper, 0); in mv643xx_eth_probe()
3167 mp->mib_counters_timer.expires = jiffies + 30 * HZ; in mv643xx_eth_probe()
3169 spin_lock_init(&mp->mib_counters_lock); in mv643xx_eth_probe()
3171 INIT_WORK(&mp->tx_timeout_task, tx_timeout_task); in mv643xx_eth_probe()
3173 netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, NAPI_POLL_WEIGHT); in mv643xx_eth_probe()
3175 timer_setup(&mp->rx_oom, oom_timer_wrapper, 0); in mv643xx_eth_probe()
3200 if (mp->shared->win_protect) in mv643xx_eth_probe()
3201 wrl(mp, WINDOW_PROTECT(mp->port_num), mp->shared->win_protect); in mv643xx_eth_probe()
3205 wrlp(mp, SDMA_CONFIG, PORT_SDMA_CONFIG_DEFAULT_VALUE); in mv643xx_eth_probe()
3207 set_rx_coal(mp, 250); in mv643xx_eth_probe()
3208 set_tx_coal(mp, 0); in mv643xx_eth_probe()
3215 mp->port_num, dev->dev_addr); in mv643xx_eth_probe()
3217 if (mp->tx_desc_sram_size > 0) in mv643xx_eth_probe()
3223 if (!IS_ERR(mp->clk)) in mv643xx_eth_probe()
3224 clk_disable_unprepare(mp->clk); in mv643xx_eth_probe()
3232 struct mv643xx_eth_private *mp = platform_get_drvdata(pdev); in mv643xx_eth_remove() local
3233 struct net_device *dev = mp->dev; in mv643xx_eth_remove()
3235 unregister_netdev(mp->dev); in mv643xx_eth_remove()
3238 cancel_work_sync(&mp->tx_timeout_task); in mv643xx_eth_remove()
3240 if (!IS_ERR(mp->clk)) in mv643xx_eth_remove()
3241 clk_disable_unprepare(mp->clk); in mv643xx_eth_remove()
3243 free_netdev(mp->dev); in mv643xx_eth_remove()
3250 struct mv643xx_eth_private *mp = platform_get_drvdata(pdev); in mv643xx_eth_shutdown() local
3253 wrlp(mp, INT_MASK, 0); in mv643xx_eth_shutdown()
3254 rdlp(mp, INT_MASK); in mv643xx_eth_shutdown()
3256 if (netif_running(mp->dev)) in mv643xx_eth_shutdown()
3257 port_reset(mp); in mv643xx_eth_shutdown()