Lines Matching +full:mac +full:- +full:wol
1 // SPDX-License-Identifier: GPL-2.0+
123 #define LAN78XX_TSO_SIZE(dev) ((dev)->tx_urb_size - TX_SKB_MIN_LEN)
139 /* time to wait for MAC or FCT to stop (jiffies) */
142 /* time to wait between polling MAC or FCT state (ms) */
193 "RX 65 - 127 Byte Frames",
194 "RX 128 - 255 Byte Frames",
195 "RX 256 - 511 Bytes Frames",
196 "RX 512 - 1023 Byte Frames",
197 "RX 1024 - 1518 Byte Frames",
217 "TX 65 - 127 Byte Frames",
218 "TX 128 - 255 Byte Frames",
219 "TX 256 - 511 Bytes Frames",
220 "TX 512 - 1023 Byte Frames",
221 "TX 1024 - 1518 Byte Frames",
363 u32 wol; member
376 struct skb_data { /* skb->cb is one of these */
472 static int msg_level = -1;
487 buf->data = buf->head; in lan78xx_release_buf()
490 buf->len = 0; in lan78xx_release_buf()
491 buf->data_len = 0; in lan78xx_release_buf()
504 entry = (struct skb_data *)buf->cb; in lan78xx_free_buf_pool()
505 usb_free_urb(entry->urb); in lan78xx_free_buf_pool()
538 entry = (struct skb_data *)buf->cb; in lan78xx_alloc_buf_pool()
539 entry->urb = urb; in lan78xx_alloc_buf_pool()
540 entry->dev = dev; in lan78xx_alloc_buf_pool()
541 entry->length = 0; in lan78xx_alloc_buf_pool()
542 entry->num_of_packet = 0; in lan78xx_alloc_buf_pool()
552 return -ENOMEM; in lan78xx_alloc_buf_pool()
557 return lan78xx_get_buf(&dev->rxq_free); in lan78xx_get_rx_buf()
563 lan78xx_release_buf(&dev->rxq_free, rx_buf); in lan78xx_release_rx_buf()
568 lan78xx_free_buf_pool(&dev->rxq_free); in lan78xx_free_rx_resources()
573 return lan78xx_alloc_buf_pool(&dev->rxq_free, in lan78xx_alloc_rx_resources()
574 dev->n_rx_urbs, dev->rx_urb_size, dev); in lan78xx_alloc_rx_resources()
579 return lan78xx_get_buf(&dev->txq_free); in lan78xx_get_tx_buf()
585 lan78xx_release_buf(&dev->txq_free, tx_buf); in lan78xx_release_tx_buf()
590 lan78xx_free_buf_pool(&dev->txq_free); in lan78xx_free_tx_resources()
595 return lan78xx_alloc_buf_pool(&dev->txq_free, in lan78xx_alloc_tx_resources()
596 dev->n_tx_urbs, dev->tx_urb_size, dev); in lan78xx_alloc_tx_resources()
604 if (test_bit(EVENT_DEV_DISCONNECT, &dev->flags)) in lan78xx_read_reg()
605 return -ENODEV; in lan78xx_read_reg()
609 return -ENOMEM; in lan78xx_read_reg()
611 ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), in lan78xx_read_reg()
619 netdev_warn(dev->net, in lan78xx_read_reg()
634 if (test_bit(EVENT_DEV_DISCONNECT, &dev->flags)) in lan78xx_write_reg()
635 return -ENODEV; in lan78xx_write_reg()
639 return -ENOMEM; in lan78xx_write_reg()
644 ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), in lan78xx_write_reg()
650 netdev_warn(dev->net, in lan78xx_write_reg()
687 return -ENOMEM; in lan78xx_read_stats()
689 ret = usb_control_msg(dev->udev, in lan78xx_read_stats()
690 usb_rcvctrlpipe(dev->udev, 0), in lan78xx_read_stats()
706 netdev_warn(dev->net, in lan78xx_read_stats()
717 if ((struct1)->member < (dev_stats).saved.member) \
724 check_counter_rollover(stats, dev->stats, rx_fcs_errors); in lan78xx_check_stat_rollover()
725 check_counter_rollover(stats, dev->stats, rx_alignment_errors); in lan78xx_check_stat_rollover()
726 check_counter_rollover(stats, dev->stats, rx_fragment_errors); in lan78xx_check_stat_rollover()
727 check_counter_rollover(stats, dev->stats, rx_jabber_errors); in lan78xx_check_stat_rollover()
728 check_counter_rollover(stats, dev->stats, rx_undersize_frame_errors); in lan78xx_check_stat_rollover()
729 check_counter_rollover(stats, dev->stats, rx_oversize_frame_errors); in lan78xx_check_stat_rollover()
730 check_counter_rollover(stats, dev->stats, rx_dropped_frames); in lan78xx_check_stat_rollover()
731 check_counter_rollover(stats, dev->stats, rx_unicast_byte_count); in lan78xx_check_stat_rollover()
732 check_counter_rollover(stats, dev->stats, rx_broadcast_byte_count); in lan78xx_check_stat_rollover()
733 check_counter_rollover(stats, dev->stats, rx_multicast_byte_count); in lan78xx_check_stat_rollover()
734 check_counter_rollover(stats, dev->stats, rx_unicast_frames); in lan78xx_check_stat_rollover()
735 check_counter_rollover(stats, dev->stats, rx_broadcast_frames); in lan78xx_check_stat_rollover()
736 check_counter_rollover(stats, dev->stats, rx_multicast_frames); in lan78xx_check_stat_rollover()
737 check_counter_rollover(stats, dev->stats, rx_pause_frames); in lan78xx_check_stat_rollover()
738 check_counter_rollover(stats, dev->stats, rx_64_byte_frames); in lan78xx_check_stat_rollover()
739 check_counter_rollover(stats, dev->stats, rx_65_127_byte_frames); in lan78xx_check_stat_rollover()
740 check_counter_rollover(stats, dev->stats, rx_128_255_byte_frames); in lan78xx_check_stat_rollover()
741 check_counter_rollover(stats, dev->stats, rx_256_511_bytes_frames); in lan78xx_check_stat_rollover()
742 check_counter_rollover(stats, dev->stats, rx_512_1023_byte_frames); in lan78xx_check_stat_rollover()
743 check_counter_rollover(stats, dev->stats, rx_1024_1518_byte_frames); in lan78xx_check_stat_rollover()
744 check_counter_rollover(stats, dev->stats, rx_greater_1518_byte_frames); in lan78xx_check_stat_rollover()
745 check_counter_rollover(stats, dev->stats, eee_rx_lpi_transitions); in lan78xx_check_stat_rollover()
746 check_counter_rollover(stats, dev->stats, eee_rx_lpi_time); in lan78xx_check_stat_rollover()
747 check_counter_rollover(stats, dev->stats, tx_fcs_errors); in lan78xx_check_stat_rollover()
748 check_counter_rollover(stats, dev->stats, tx_excess_deferral_errors); in lan78xx_check_stat_rollover()
749 check_counter_rollover(stats, dev->stats, tx_carrier_errors); in lan78xx_check_stat_rollover()
750 check_counter_rollover(stats, dev->stats, tx_bad_byte_count); in lan78xx_check_stat_rollover()
751 check_counter_rollover(stats, dev->stats, tx_single_collisions); in lan78xx_check_stat_rollover()
752 check_counter_rollover(stats, dev->stats, tx_multiple_collisions); in lan78xx_check_stat_rollover()
753 check_counter_rollover(stats, dev->stats, tx_excessive_collision); in lan78xx_check_stat_rollover()
754 check_counter_rollover(stats, dev->stats, tx_late_collisions); in lan78xx_check_stat_rollover()
755 check_counter_rollover(stats, dev->stats, tx_unicast_byte_count); in lan78xx_check_stat_rollover()
756 check_counter_rollover(stats, dev->stats, tx_broadcast_byte_count); in lan78xx_check_stat_rollover()
757 check_counter_rollover(stats, dev->stats, tx_multicast_byte_count); in lan78xx_check_stat_rollover()
758 check_counter_rollover(stats, dev->stats, tx_unicast_frames); in lan78xx_check_stat_rollover()
759 check_counter_rollover(stats, dev->stats, tx_broadcast_frames); in lan78xx_check_stat_rollover()
760 check_counter_rollover(stats, dev->stats, tx_multicast_frames); in lan78xx_check_stat_rollover()
761 check_counter_rollover(stats, dev->stats, tx_pause_frames); in lan78xx_check_stat_rollover()
762 check_counter_rollover(stats, dev->stats, tx_64_byte_frames); in lan78xx_check_stat_rollover()
763 check_counter_rollover(stats, dev->stats, tx_65_127_byte_frames); in lan78xx_check_stat_rollover()
764 check_counter_rollover(stats, dev->stats, tx_128_255_byte_frames); in lan78xx_check_stat_rollover()
765 check_counter_rollover(stats, dev->stats, tx_256_511_bytes_frames); in lan78xx_check_stat_rollover()
766 check_counter_rollover(stats, dev->stats, tx_512_1023_byte_frames); in lan78xx_check_stat_rollover()
767 check_counter_rollover(stats, dev->stats, tx_1024_1518_byte_frames); in lan78xx_check_stat_rollover()
768 check_counter_rollover(stats, dev->stats, tx_greater_1518_byte_frames); in lan78xx_check_stat_rollover()
769 check_counter_rollover(stats, dev->stats, eee_tx_lpi_transitions); in lan78xx_check_stat_rollover()
770 check_counter_rollover(stats, dev->stats, eee_tx_lpi_time); in lan78xx_check_stat_rollover()
772 memcpy(&dev->stats.saved, stats, sizeof(struct lan78xx_statstage)); in lan78xx_check_stat_rollover()
782 if (usb_autopm_get_interface(dev->intf) < 0) in lan78xx_update_stats()
786 count = (u32 *)&dev->stats.rollover_count; in lan78xx_update_stats()
787 max = (u32 *)&dev->stats.rollover_max; in lan78xx_update_stats()
788 data = (u64 *)&dev->stats.curr_stat; in lan78xx_update_stats()
790 mutex_lock(&dev->stats.access_lock); in lan78xx_update_stats()
798 mutex_unlock(&dev->stats.access_lock); in lan78xx_update_stats()
800 usb_autopm_put_interface(dev->intf); in lan78xx_update_stats()
843 return stopped ? 0 : -ETIMEDOUT; in lan78xx_stop_hw()
855 netif_dbg(dev, drv, dev->net, "start tx path"); in lan78xx_start_tx_path()
857 /* Start the MAC transmitter */ in lan78xx_start_tx_path()
876 netif_dbg(dev, drv, dev->net, "stop tx path"); in lan78xx_stop_tx_path()
884 /* Stop the MAC transmitter */ in lan78xx_stop_tx_path()
905 netif_dbg(dev, drv, dev->net, "start rx path"); in lan78xx_start_rx_path()
913 /* Start the MAC receiver*/ in lan78xx_start_rx_path()
926 netif_dbg(dev, drv, dev->net, "stop rx path"); in lan78xx_stop_rx_path()
928 /* Stop the MAC receiver */ in lan78xx_stop_rx_path()
967 return -ETIMEDOUT; in lan78xx_mdiobus_wait_not_busy()
1003 netdev_warn(dev->net, "EEPROM read operation timeout"); in lan78xx_wait_eeprom()
1004 return -ETIMEDOUT; in lan78xx_wait_eeprom()
1027 netdev_warn(dev->net, "EEPROM is busy"); in lan78xx_eeprom_confirm_not_busy()
1028 return -ETIMEDOUT; in lan78xx_eeprom_confirm_not_busy()
1045 if (dev->chipid == ID_REV_CHIP_ID_7800_) { in lan78xx_read_raw_eeprom()
1053 if (ret == -ETIMEDOUT) in lan78xx_read_raw_eeprom()
1068 if (ret == -ETIMEDOUT) in lan78xx_read_raw_eeprom()
1083 if (dev->chipid == ID_REV_CHIP_ID_7800_) { in lan78xx_read_raw_eeprom()
1103 return -ENODATA; in lan78xx_read_eeprom()
1123 if (dev->chipid == ID_REV_CHIP_ID_7800_) { in lan78xx_write_raw_eeprom()
1132 if (ret == -ETIMEDOUT) in lan78xx_write_raw_eeprom()
1146 if (ret == -ETIMEDOUT) in lan78xx_write_raw_eeprom()
1168 if (ret == -ETIMEDOUT) in lan78xx_write_raw_eeprom()
1178 if (dev->chipid == ID_REV_CHIP_ID_7800_) { in lan78xx_write_raw_eeprom()
1212 netdev_warn(dev->net, in lan78xx_read_raw_otp()
1214 return -ETIMEDOUT; in lan78xx_read_raw_otp()
1246 netdev_warn(dev->net, in lan78xx_read_raw_otp()
1248 return -ETIMEDOUT; in lan78xx_read_raw_otp()
1288 netdev_warn(dev->net, in lan78xx_write_raw_otp()
1290 return -ETIMEDOUT; in lan78xx_write_raw_otp()
1331 netdev_warn(dev->net, in lan78xx_write_raw_otp()
1333 return -ETIMEDOUT; in lan78xx_write_raw_otp()
1353 ret = -EINVAL; in lan78xx_read_otp()
1378 netdev_warn(dev->net, "%s timed out", __func__); in lan78xx_dataport_wait_not_busy()
1380 return -ETIMEDOUT; in lan78xx_dataport_wait_not_busy()
1386 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_dataport_write()
1389 ret = usb_autopm_get_interface(dev->intf); in lan78xx_dataport_write()
1393 mutex_lock(&pdata->dataport_mutex); in lan78xx_dataport_write()
1423 netdev_warn(dev->net, "dataport write failed %pe", ERR_PTR(ret)); in lan78xx_dataport_write()
1425 mutex_unlock(&pdata->dataport_mutex); in lan78xx_dataport_write()
1426 usb_autopm_put_interface(dev->intf); in lan78xx_dataport_write()
1441 pdata->pfilter_table[index][1] = temp; in lan78xx_set_addr_filter()
1445 pdata->pfilter_table[index][0] = temp; in lan78xx_set_addr_filter()
1449 /* returns hash bit number for given MAC address */
1459 struct lan78xx_net *dev = pdata->dev; in lan78xx_deferred_multicast_write()
1462 netif_dbg(dev, drv, dev->net, "deferred multicast write 0x%08x\n", in lan78xx_deferred_multicast_write()
1463 pdata->rfe_ctl); in lan78xx_deferred_multicast_write()
1467 DP_SEL_VHF_HASH_LEN, pdata->mchash_table); in lan78xx_deferred_multicast_write()
1477 pdata->pfilter_table[i][1]); in lan78xx_deferred_multicast_write()
1482 pdata->pfilter_table[i][0]); in lan78xx_deferred_multicast_write()
1487 ret = lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); in lan78xx_deferred_multicast_write()
1491 netdev_warn(dev->net, "multicast write failed %pe", ERR_PTR(ret)); in lan78xx_deferred_multicast_write()
1498 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_set_multicast()
1502 spin_lock_irqsave(&pdata->rfe_ctl_lock, flags); in lan78xx_set_multicast()
1504 pdata->rfe_ctl &= ~(RFE_CTL_UCAST_EN_ | RFE_CTL_MCAST_EN_ | in lan78xx_set_multicast()
1508 pdata->mchash_table[i] = 0; in lan78xx_set_multicast()
1512 pdata->pfilter_table[i][0] = 0; in lan78xx_set_multicast()
1513 pdata->pfilter_table[i][1] = 0; in lan78xx_set_multicast()
1516 pdata->rfe_ctl |= RFE_CTL_BCAST_EN_; in lan78xx_set_multicast()
1518 if (dev->net->flags & IFF_PROMISC) { in lan78xx_set_multicast()
1519 netif_dbg(dev, drv, dev->net, "promiscuous mode enabled"); in lan78xx_set_multicast()
1520 pdata->rfe_ctl |= RFE_CTL_MCAST_EN_ | RFE_CTL_UCAST_EN_; in lan78xx_set_multicast()
1522 if (dev->net->flags & IFF_ALLMULTI) { in lan78xx_set_multicast()
1523 netif_dbg(dev, drv, dev->net, in lan78xx_set_multicast()
1525 pdata->rfe_ctl |= RFE_CTL_MCAST_EN_; in lan78xx_set_multicast()
1529 if (netdev_mc_count(dev->net)) { in lan78xx_set_multicast()
1533 netif_dbg(dev, drv, dev->net, "receive multicast hash filter"); in lan78xx_set_multicast()
1535 pdata->rfe_ctl |= RFE_CTL_DA_PERFECT_; in lan78xx_set_multicast()
1541 lan78xx_set_addr_filter(pdata, i, ha->addr); in lan78xx_set_multicast()
1543 u32 bitnum = lan78xx_hash(ha->addr); in lan78xx_set_multicast()
1545 pdata->mchash_table[bitnum / 32] |= in lan78xx_set_multicast()
1547 pdata->rfe_ctl |= RFE_CTL_MCAST_HASH_; in lan78xx_set_multicast()
1553 spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags); in lan78xx_set_multicast()
1556 schedule_work(&pdata->set_multicast); in lan78xx_set_multicast()
1567 mutex_lock(&dev->mdiobus_mutex); in lan78xx_mac_reset()
1570 * bus can result in the MAC interface locking up and not in lan78xx_mac_reset()
1587 * MAC register accesses otherwise the MAC may lock up. in lan78xx_mac_reset()
1600 ret = -ETIMEDOUT; in lan78xx_mac_reset()
1602 mutex_unlock(&dev->mdiobus_mutex); in lan78xx_mac_reset()
1608 * lan78xx_phy_int_ack - Acknowledge PHY interrupt
1628 set_bit(work, &dev->flags); in lan78xx_defer_kevent()
1629 if (!schedule_delayed_work(&dev->wq, 0)) in lan78xx_defer_kevent()
1630 netdev_err(dev->net, "kevent %d may have been dropped\n", work); in lan78xx_defer_kevent()
1637 if (urb->actual_length != 4) { in lan78xx_status()
1638 netdev_warn(dev->net, in lan78xx_status()
1639 "unexpected urb length %d", urb->actual_length); in lan78xx_status()
1643 intdata = get_unaligned_le32(urb->transfer_buffer); in lan78xx_status()
1646 netif_dbg(dev, link, dev->net, "PHY INTR: 0x%08x\n", intdata); in lan78xx_status()
1649 if (dev->domain_data.phyirq > 0) in lan78xx_status()
1650 generic_handle_irq_safe(dev->domain_data.phyirq); in lan78xx_status()
1652 netdev_warn(dev->net, in lan78xx_status()
1668 ret = usb_autopm_get_interface(dev->intf); in lan78xx_ethtool_get_eeprom()
1672 ee->magic = LAN78XX_EEPROM_MAGIC; in lan78xx_ethtool_get_eeprom()
1674 ret = lan78xx_read_raw_eeprom(dev, ee->offset, ee->len, data); in lan78xx_ethtool_get_eeprom()
1676 usb_autopm_put_interface(dev->intf); in lan78xx_ethtool_get_eeprom()
1687 ret = usb_autopm_get_interface(dev->intf); in lan78xx_ethtool_set_eeprom()
1694 if (ee->magic == LAN78XX_EEPROM_MAGIC) in lan78xx_ethtool_set_eeprom()
1695 ret = lan78xx_write_raw_eeprom(dev, ee->offset, ee->len, data); in lan78xx_ethtool_set_eeprom()
1696 else if ((ee->magic == LAN78XX_OTP_MAGIC) && in lan78xx_ethtool_set_eeprom()
1697 (ee->offset == 0) && in lan78xx_ethtool_set_eeprom()
1698 (ee->len == 512) && in lan78xx_ethtool_set_eeprom()
1700 ret = lan78xx_write_raw_otp(dev, ee->offset, ee->len, data); in lan78xx_ethtool_set_eeprom()
1702 usb_autopm_put_interface(dev->intf); in lan78xx_ethtool_set_eeprom()
1723 return -EOPNOTSUPP; in lan78xx_get_sset_count()
1733 mutex_lock(&dev->stats.access_lock); in lan78xx_get_stats()
1734 memcpy(data, &dev->stats.curr_stat, sizeof(dev->stats.curr_stat)); in lan78xx_get_stats()
1735 mutex_unlock(&dev->stats.access_lock); in lan78xx_get_stats()
1739 struct ethtool_wolinfo *wol) in lan78xx_get_wol() argument
1744 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_get_wol()
1746 if (usb_autopm_get_interface(dev->intf) < 0) in lan78xx_get_wol()
1751 netdev_warn(dev->net, "failed to get WoL %pe", ERR_PTR(ret)); in lan78xx_get_wol()
1752 wol->supported = 0; in lan78xx_get_wol()
1753 wol->wolopts = 0; in lan78xx_get_wol()
1756 wol->supported = WAKE_ALL; in lan78xx_get_wol()
1757 wol->wolopts = pdata->wol; in lan78xx_get_wol()
1759 wol->supported = 0; in lan78xx_get_wol()
1760 wol->wolopts = 0; in lan78xx_get_wol()
1764 usb_autopm_put_interface(dev->intf); in lan78xx_get_wol()
1768 struct ethtool_wolinfo *wol) in lan78xx_set_wol() argument
1771 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_set_wol()
1774 if (wol->wolopts & ~WAKE_ALL) in lan78xx_set_wol()
1775 return -EINVAL; in lan78xx_set_wol()
1777 ret = usb_autopm_get_interface(dev->intf); in lan78xx_set_wol()
1781 pdata->wol = wol->wolopts; in lan78xx_set_wol()
1783 ret = device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts); in lan78xx_set_wol()
1787 ret = phy_ethtool_set_wol(netdev->phydev, wol); in lan78xx_set_wol()
1790 usb_autopm_put_interface(dev->intf); in lan78xx_set_wol()
1799 return phylink_ethtool_get_eee(dev->phylink, edata); in lan78xx_get_eee()
1806 return phylink_ethtool_set_eee(dev->phylink, edata); in lan78xx_set_eee()
1814 strscpy(info->driver, DRIVER_NAME, sizeof(info->driver)); in lan78xx_get_drvinfo()
1815 usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info)); in lan78xx_get_drvinfo()
1822 return dev->msg_enable; in lan78xx_get_msglevel()
1829 dev->msg_enable = level; in lan78xx_set_msglevel()
1837 return phylink_ethtool_ksettings_get(dev->phylink, cmd); in lan78xx_get_link_ksettings()
1845 return phylink_ethtool_ksettings_set(dev->phylink, cmd); in lan78xx_set_link_ksettings()
1853 phylink_ethtool_get_pauseparam(dev->phylink, pause); in lan78xx_get_pause()
1861 return phylink_ethtool_set_pauseparam(dev->phylink, pause); in lan78xx_set_pause()
1878 /* Read Device/MAC registers */ in lan78xx_get_regs()
1882 netdev_warn(dev->net, in lan78xx_get_regs()
1945 if (!eth_platform_get_mac_address(&dev->udev->dev, addr)) { in lan78xx_init_mac_address()
1947 netif_dbg(dev, ifup, dev->net, in lan78xx_init_mac_address()
1948 "MAC address read from Device Tree"); in lan78xx_init_mac_address()
1955 netif_dbg(dev, ifup, dev->net, in lan78xx_init_mac_address()
1956 "MAC address read from EEPROM"); in lan78xx_init_mac_address()
1958 /* generate random MAC */ in lan78xx_init_mac_address()
1960 netif_dbg(dev, ifup, dev->net, in lan78xx_init_mac_address()
1961 "MAC address set to random addr"); in lan78xx_init_mac_address()
1985 eth_hw_addr_set(dev->net, addr); in lan78xx_init_mac_address()
1993 struct lan78xx_net *dev = bus->priv; in lan78xx_mdiobus_read()
1997 ret = usb_autopm_get_interface(dev->intf); in lan78xx_mdiobus_read()
2001 mutex_lock(&dev->mdiobus_mutex); in lan78xx_mdiobus_read()
2025 mutex_unlock(&dev->mdiobus_mutex); in lan78xx_mdiobus_read()
2026 usb_autopm_put_interface(dev->intf); in lan78xx_mdiobus_read()
2034 struct lan78xx_net *dev = bus->priv; in lan78xx_mdiobus_write()
2038 ret = usb_autopm_get_interface(dev->intf); in lan78xx_mdiobus_write()
2042 mutex_lock(&dev->mdiobus_mutex); in lan78xx_mdiobus_write()
2065 mutex_unlock(&dev->mdiobus_mutex); in lan78xx_mdiobus_write()
2066 usb_autopm_put_interface(dev->intf); in lan78xx_mdiobus_write()
2075 dev->mdiobus = mdiobus_alloc(); in lan78xx_mdio_init()
2076 if (!dev->mdiobus) { in lan78xx_mdio_init()
2077 netdev_err(dev->net, "can't allocate MDIO bus\n"); in lan78xx_mdio_init()
2078 return -ENOMEM; in lan78xx_mdio_init()
2081 dev->mdiobus->priv = (void *)dev; in lan78xx_mdio_init()
2082 dev->mdiobus->read = lan78xx_mdiobus_read; in lan78xx_mdio_init()
2083 dev->mdiobus->write = lan78xx_mdiobus_write; in lan78xx_mdio_init()
2084 dev->mdiobus->name = "lan78xx-mdiobus"; in lan78xx_mdio_init()
2085 dev->mdiobus->parent = &dev->udev->dev; in lan78xx_mdio_init()
2087 snprintf(dev->mdiobus->id, MII_BUS_ID_SIZE, "usb-%03d:%03d", in lan78xx_mdio_init()
2088 dev->udev->bus->busnum, dev->udev->devnum); in lan78xx_mdio_init()
2090 switch (dev->chipid) { in lan78xx_mdio_init()
2094 dev->mdiobus->phy_mask = ~(1 << 1); in lan78xx_mdio_init()
2098 dev->mdiobus->phy_mask = ~(0xFF); in lan78xx_mdio_init()
2102 node = of_get_child_by_name(dev->udev->dev.of_node, "mdio"); in lan78xx_mdio_init()
2103 ret = of_mdiobus_register(dev->mdiobus, node); in lan78xx_mdio_init()
2106 netdev_err(dev->net, "can't register MDIO bus\n"); in lan78xx_mdio_init()
2110 netdev_dbg(dev->net, "registered mdiobus bus %s\n", dev->mdiobus->id); in lan78xx_mdio_init()
2113 mdiobus_free(dev->mdiobus); in lan78xx_mdio_init()
2119 mdiobus_unregister(dev->mdiobus); in lan78xx_remove_mdio()
2120 mdiobus_free(dev->mdiobus); in lan78xx_remove_mdio()
2126 struct irq_domain_data *data = d->host_data; in irq_map()
2129 irq_set_chip_and_handler(irq, data->irqchip, data->irq_handler); in irq_map()
2150 data->irqenable &= ~BIT(irqd_to_hwirq(irqd)); in lan78xx_irq_mask()
2157 data->irqenable |= BIT(irqd_to_hwirq(irqd)); in lan78xx_irq_unmask()
2164 mutex_lock(&data->irq_lock); in lan78xx_irq_bus_lock()
2176 * are only two callbacks executed in non-atomic contex. in lan78xx_irq_bus_sync_unlock()
2182 if (buf != data->irqenable) in lan78xx_irq_bus_sync_unlock()
2183 ret = lan78xx_write_reg(dev, INT_EP_CTL, data->irqenable); in lan78xx_irq_bus_sync_unlock()
2187 netdev_err(dev->net, "Failed to sync IRQ enable register: %pe\n", in lan78xx_irq_bus_sync_unlock()
2190 mutex_unlock(&data->irq_lock); in lan78xx_irq_bus_sync_unlock()
2194 .name = "lan78xx-irqs",
2208 mutex_init(&dev->domain_data.irq_lock); in lan78xx_setup_irq_domain()
2214 dev->domain_data.irqenable = buf; in lan78xx_setup_irq_domain()
2216 dev->domain_data.irqchip = &lan78xx_irqchip; in lan78xx_setup_irq_domain()
2217 dev->domain_data.irq_handler = handle_simple_irq; in lan78xx_setup_irq_domain()
2219 irqdomain = irq_domain_create_simple(dev_fwnode(dev->udev->dev.parent), MAX_INT_EP, 0, in lan78xx_setup_irq_domain()
2220 &chip_domain_ops, &dev->domain_data); in lan78xx_setup_irq_domain()
2228 ret = -EINVAL; in lan78xx_setup_irq_domain()
2231 ret = -EINVAL; in lan78xx_setup_irq_domain()
2234 dev->domain_data.irqdomain = irqdomain; in lan78xx_setup_irq_domain()
2235 dev->domain_data.phyirq = irqmap; in lan78xx_setup_irq_domain()
2242 if (dev->domain_data.phyirq > 0) { in lan78xx_remove_irq_domain()
2243 irq_dispose_mapping(dev->domain_data.phyirq); in lan78xx_remove_irq_domain()
2245 if (dev->domain_data.irqdomain) in lan78xx_remove_irq_domain()
2246 irq_domain_remove(dev->domain_data.irqdomain); in lan78xx_remove_irq_domain()
2248 dev->domain_data.phyirq = 0; in lan78xx_remove_irq_domain()
2249 dev->domain_data.irqdomain = NULL; in lan78xx_remove_irq_domain()
2255 struct net_device *net = to_net_dev(config->dev); in lan78xx_mac_config()
2266 switch (state->interface) { in lan78xx_mac_config()
2277 state->interface); in lan78xx_mac_config()
2283 netdev_err(net, "Failed to config MAC with error %pe\n", in lan78xx_mac_config()
2290 struct net_device *net = to_net_dev(config->dev); in lan78xx_mac_link_down()
2296 /* MAC reset will not de-assert TXEN/RXEN, we need to stop them in lan78xx_mac_link_down()
2308 /* MAC reset seems to not affect MAC configuration, no idea if it is in lan78xx_mac_link_down()
2319 netdev_err(dev->net, "Failed to set MAC down with error %pe\n", in lan78xx_mac_link_down()
2324 * lan78xx_configure_usb - Configure USB link power settings
2330 * USB_CFG1 register to enable or disable U1 and U2 low-power states.
2333 * LAN7850 is a High-Speed-only (USB 2.0) device and is skipped.
2343 if (dev->udev->speed != USB_SPEED_SUPER) in lan78xx_configure_usb()
2347 if (dev->chipid == ID_REV_CHIP_ID_7850_) { in lan78xx_configure_usb()
2348 netdev_warn_once(dev->net, "Unexpected SuperSpeed for LAN7850 (USB 2.0 only)\n"); in lan78xx_configure_usb()
2372 netdev_warn(dev->net, "Unsupported link speed: %d\n", speed); in lan78xx_configure_usb()
2373 return -EINVAL; in lan78xx_configure_usb()
2378 * lan78xx_configure_flowcontrol - Set MAC and FIFO flow control configuration
2388 * The Pause Time field is measured in units of 512-bit times (quanta):
2389 * - At 1 Gbps: 1 quanta = 512 ns → max ~33.6 ms pause
2390 * - At 100 Mbps: 1 quanta = 5.12 µs → max ~335 ms pause
2391 * - At 10 Mbps: 1 quanta = 51.2 µs → max ~3.3 s pause
2394 * - RXUSED is the number of bytes used in the RX FIFO
2395 * - Flow is turned ON when RXUSED ≥ FLOW_ON threshold
2396 * - Flow is turned OFF when RXUSED ≤ FLOW_OFF threshold
2397 * - Both thresholds are encoded in units of 512 bytes (rounded up)
2401 * - USB 3.x (SuperSpeed):
2404 * - USB 2.0 (High-Speed):
2416 /* Use maximum pause time: 65535 quanta (512-bit times) */ in lan78xx_configure_flowcontrol()
2422 /* Prepare MAC flow control bits */ in lan78xx_configure_flowcontrol()
2436 switch (dev->udev->speed) { in lan78xx_configure_flowcontrol()
2444 netdev_warn(dev->net, "Unsupported USB speed: %d\n", in lan78xx_configure_flowcontrol()
2445 dev->udev->speed); in lan78xx_configure_flowcontrol()
2446 return -EINVAL; in lan78xx_configure_flowcontrol()
2454 /* Step 2: Enable MAC pause functionality */ in lan78xx_configure_flowcontrol()
2464 struct net_device *net = to_net_dev(config->dev); in lan78xx_mac_link_up()
2480 netdev_err(dev->net, "Unsupported speed %d\n", speed); in lan78xx_mac_link_up()
2487 /* make sure TXEN and RXEN are disabled before reconfiguring MAC */ in lan78xx_mac_link_up()
2524 netdev_err(dev->net, "Failed to set MAC up with error %pe\n", in lan78xx_mac_link_up()
2529 * lan78xx_mac_eee_enable - Enable or disable MAC-side EEE support
2553 struct net_device *net = to_net_dev(config->dev); in lan78xx_mac_disable_tx_lpi()
2562 struct net_device *net = to_net_dev(config->dev); in lan78xx_mac_enable_tx_lpi()
2587 * lan78xx_set_fixed_link() - Set fixed link configuration for LAN7801
2591 * cases like EVB-KSZ9897-1, where LAN7801 acts as a USB-to-Ethernet interface
2603 netdev_info(dev->net, in lan78xx_set_fixed_link()
2604 "No PHY found on LAN7801 – using fixed link instead (e.g. EVB-KSZ9897-1)\n"); in lan78xx_set_fixed_link()
2606 return phylink_set_fixed_link(dev->phylink, &state); in lan78xx_set_fixed_link()
2610 * lan78xx_get_phy() - Probe or register PHY device and set interface mode
2615 * sets dev->interface based on chip ID and detected PHY type.
2624 phydev = phy_find_first(dev->mdiobus); in lan78xx_get_phy()
2626 switch (dev->chipid) { in lan78xx_get_phy()
2630 dev->interface = PHY_INTERFACE_MODE_RGMII_ID; in lan78xx_get_phy()
2631 phydev->is_internal = false; in lan78xx_get_phy()
2633 if (!phydev->drv) in lan78xx_get_phy()
2634 netdev_warn(dev->net, in lan78xx_get_phy()
2640 dev->interface = PHY_INTERFACE_MODE_RGMII; in lan78xx_get_phy()
2647 return ERR_PTR(-ENODEV); in lan78xx_get_phy()
2649 /* These use internal GMII-connected PHY */ in lan78xx_get_phy()
2650 dev->interface = PHY_INTERFACE_MODE_GMII; in lan78xx_get_phy()
2651 phydev->is_internal = true; in lan78xx_get_phy()
2655 netdev_err(dev->net, "Unknown CHIP ID: 0x%08x\n", dev->chipid); in lan78xx_get_phy()
2656 return ERR_PTR(-ENODEV); in lan78xx_get_phy()
2661 * lan78xx_mac_prepare_for_phy() - Preconfigure MAC-side interface settings
2664 * Configure MAC-side registers according to dev->interface, which should be
2667 * - For PHY_INTERFACE_MODE_RGMII:
2668 * Enable MAC-side TXC delay. This mode seems to be used in a special setup
2669 * without a real PHY, likely on EVB-KSZ9897-1. In that design, LAN7801 is
2674 * - For PHY_INTERFACE_MODE_RGMII_ID:
2675 * Disable MAC-side delay and rely on the PHY driver to provide delay.
2677 * - For GMII, no MAC-specific config is needed.
2685 switch (dev->interface) { in lan78xx_mac_prepare_for_phy()
2687 /* Enable MAC-side TX clock delay */ in lan78xx_mac_prepare_for_phy()
2706 /* Disable MAC-side TXC delay, PHY provides it */ in lan78xx_mac_prepare_for_phy()
2714 /* No MAC-specific configuration required */ in lan78xx_mac_prepare_for_phy()
2718 netdev_warn(dev->net, "Unsupported interface mode: %d\n", in lan78xx_mac_prepare_for_phy()
2719 dev->interface); in lan78xx_mac_prepare_for_phy()
2727 * lan78xx_configure_leds_from_dt() - Configure LED enables based on DT
2731 * Reads "microchip,led-modes" property from the PHY's DT node and enables
2742 struct device_node *np = phydev->mdio.dev.of_node; in lan78xx_configure_leds_from_dt()
2749 len = of_property_count_elems_of_size(np, "microchip,led-modes", in lan78xx_configure_leds_from_dt()
2771 struct phylink_config *pc = &dev->phylink_config; in lan78xx_phylink_setup()
2774 pc->dev = &dev->net->dev; in lan78xx_phylink_setup()
2775 pc->type = PHYLINK_NETDEV; in lan78xx_phylink_setup()
2776 pc->mac_capabilities = MAC_SYM_PAUSE | MAC_ASYM_PAUSE | MAC_10 | in lan78xx_phylink_setup()
2778 pc->mac_managed_pm = true; in lan78xx_phylink_setup()
2779 pc->lpi_capabilities = MAC_100FD | MAC_1000FD; in lan78xx_phylink_setup()
2797 pc->lpi_timer_default = 50; in lan78xx_phylink_setup()
2798 pc->eee_enabled_default = true; in lan78xx_phylink_setup()
2800 if (dev->chipid == ID_REV_CHIP_ID_7801_) in lan78xx_phylink_setup()
2801 phy_interface_set_rgmii(pc->supported_interfaces); in lan78xx_phylink_setup()
2803 __set_bit(PHY_INTERFACE_MODE_GMII, pc->supported_interfaces); in lan78xx_phylink_setup()
2805 memcpy(dev->phylink_config.lpi_interfaces, in lan78xx_phylink_setup()
2806 dev->phylink_config.supported_interfaces, in lan78xx_phylink_setup()
2807 sizeof(dev->phylink_config.lpi_interfaces)); in lan78xx_phylink_setup()
2809 phylink = phylink_create(pc, dev->net->dev.fwnode, in lan78xx_phylink_setup()
2810 dev->interface, &lan78xx_phylink_mac_ops); in lan78xx_phylink_setup()
2814 dev->phylink = phylink; in lan78xx_phylink_setup()
2821 if (dev->phylink) { in lan78xx_phy_uninit()
2822 phylink_disconnect_phy(dev->phylink); in lan78xx_phy_uninit()
2823 phylink_destroy(dev->phylink); in lan78xx_phy_uninit()
2824 dev->phylink = NULL; in lan78xx_phy_uninit()
2850 * the LAN7801 and is used in special cases like EVB-KSZ9897-1 where in lan78xx_phy_init()
2851 * LAN7801 acts as a USB-to-Ethernet interface to a switch without in lan78xx_phy_init()
2866 if (dev->domain_data.phyirq > 0) in lan78xx_phy_init()
2867 phydev->irq = dev->domain_data.phyirq; in lan78xx_phy_init()
2869 phydev->irq = PHY_POLL; in lan78xx_phy_init()
2870 netdev_dbg(dev->net, "phydev->irq = %d\n", phydev->irq); in lan78xx_phy_init()
2872 ret = phylink_connect_phy(dev->phylink, phydev); in lan78xx_phy_init()
2874 netdev_err(dev->net, "can't attach PHY to %s, error %pe\n", in lan78xx_phy_init()
2875 dev->mdiobus->id, ERR_PTR(ret)); in lan78xx_phy_init()
2934 spin_lock_irqsave(&q->lock, flags); in unlink_urbs()
2941 entry = (struct skb_data *)skb->cb; in unlink_urbs()
2942 if (entry->state != unlink_start) in unlink_urbs()
2947 entry->state = unlink_start; in unlink_urbs()
2948 urb = entry->urb; in unlink_urbs()
2952 * use-after-free problem inside usb_unlink_urb since in unlink_urbs()
2957 spin_unlock_irqrestore(&q->lock, flags); in unlink_urbs()
2958 /* during some PM-driven resume scenarios, in unlink_urbs()
2962 if (ret != -EINPROGRESS && ret != 0) in unlink_urbs()
2963 netdev_dbg(dev->net, "unlink urb err, %d\n", ret); in unlink_urbs()
2967 spin_lock_irqsave(&q->lock, flags); in unlink_urbs()
2969 spin_unlock_irqrestore(&q->lock, flags); in unlink_urbs()
2979 /* no second zero-length packet read wanted after mtu-sized packets */ in lan78xx_change_mtu()
2980 if ((max_frame_len % dev->maxpacket) == 0) in lan78xx_change_mtu()
2981 return -EDOM; in lan78xx_change_mtu()
2983 ret = usb_autopm_get_interface(dev->intf); in lan78xx_change_mtu()
2989 netdev_err(dev->net, "MTU changed to %d from %d failed with %pe\n", in lan78xx_change_mtu()
2990 new_mtu, netdev->mtu, ERR_PTR(ret)); in lan78xx_change_mtu()
2992 WRITE_ONCE(netdev->mtu, new_mtu); in lan78xx_change_mtu()
2994 usb_autopm_put_interface(dev->intf); in lan78xx_change_mtu()
3007 return -EBUSY; in lan78xx_set_mac_addr()
3009 if (!is_valid_ether_addr(addr->sa_data)) in lan78xx_set_mac_addr()
3010 return -EADDRNOTAVAIL; in lan78xx_set_mac_addr()
3012 eth_hw_addr_set(netdev, addr->sa_data); in lan78xx_set_mac_addr()
3014 addr_lo = netdev->dev_addr[0] | in lan78xx_set_mac_addr()
3015 netdev->dev_addr[1] << 8 | in lan78xx_set_mac_addr()
3016 netdev->dev_addr[2] << 16 | in lan78xx_set_mac_addr()
3017 netdev->dev_addr[3] << 24; in lan78xx_set_mac_addr()
3018 addr_hi = netdev->dev_addr[4] | in lan78xx_set_mac_addr()
3019 netdev->dev_addr[5] << 8; in lan78xx_set_mac_addr()
3029 /* Added to support MAC address changes */ in lan78xx_set_mac_addr()
3042 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_set_features()
3045 spin_lock_irqsave(&pdata->rfe_ctl_lock, flags); in lan78xx_set_features()
3048 pdata->rfe_ctl |= RFE_CTL_TCPUDP_COE_ | RFE_CTL_IP_COE_; in lan78xx_set_features()
3049 pdata->rfe_ctl |= RFE_CTL_ICMP_COE_ | RFE_CTL_IGMP_COE_; in lan78xx_set_features()
3051 pdata->rfe_ctl &= ~(RFE_CTL_TCPUDP_COE_ | RFE_CTL_IP_COE_); in lan78xx_set_features()
3052 pdata->rfe_ctl &= ~(RFE_CTL_ICMP_COE_ | RFE_CTL_IGMP_COE_); in lan78xx_set_features()
3056 pdata->rfe_ctl |= RFE_CTL_VLAN_STRIP_; in lan78xx_set_features()
3058 pdata->rfe_ctl &= ~RFE_CTL_VLAN_STRIP_; in lan78xx_set_features()
3061 pdata->rfe_ctl |= RFE_CTL_VLAN_FILTER_; in lan78xx_set_features()
3063 pdata->rfe_ctl &= ~RFE_CTL_VLAN_FILTER_; in lan78xx_set_features()
3065 spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags); in lan78xx_set_features()
3067 return lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); in lan78xx_set_features()
3074 struct lan78xx_net *dev = pdata->dev; in lan78xx_deferred_vlan_write()
3077 DP_SEL_VHF_VLAN_LEN, pdata->vlan_table); in lan78xx_deferred_vlan_write()
3084 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_vlan_rx_add_vid()
3091 pdata->vlan_table[vid_dword_index] |= (1 << vid_bit_index); in lan78xx_vlan_rx_add_vid()
3094 schedule_work(&pdata->set_vlan); in lan78xx_vlan_rx_add_vid()
3103 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_vlan_rx_kill_vid()
3110 pdata->vlan_table[vid_dword_index] &= ~(1 << vid_bit_index); in lan78xx_vlan_rx_kill_vid()
3113 schedule_work(&pdata->set_vlan); in lan78xx_vlan_rx_kill_vid()
3179 netdev_err(dev->net, "Failed to init LTM with error %pe\n", ERR_PTR(ret)); in lan78xx_init_ltm()
3187 switch (dev->udev->speed) { in lan78xx_urb_config_init()
3189 dev->rx_urb_size = RX_SS_URB_SIZE; in lan78xx_urb_config_init()
3190 dev->tx_urb_size = TX_SS_URB_SIZE; in lan78xx_urb_config_init()
3191 dev->n_rx_urbs = RX_SS_URB_NUM; in lan78xx_urb_config_init()
3192 dev->n_tx_urbs = TX_SS_URB_NUM; in lan78xx_urb_config_init()
3193 dev->bulk_in_delay = SS_BULK_IN_DELAY; in lan78xx_urb_config_init()
3194 dev->burst_cap = SS_BURST_CAP_SIZE / SS_USB_PKT_SIZE; in lan78xx_urb_config_init()
3197 dev->rx_urb_size = RX_HS_URB_SIZE; in lan78xx_urb_config_init()
3198 dev->tx_urb_size = TX_HS_URB_SIZE; in lan78xx_urb_config_init()
3199 dev->n_rx_urbs = RX_HS_URB_NUM; in lan78xx_urb_config_init()
3200 dev->n_tx_urbs = TX_HS_URB_NUM; in lan78xx_urb_config_init()
3201 dev->bulk_in_delay = HS_BULK_IN_DELAY; in lan78xx_urb_config_init()
3202 dev->burst_cap = HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE; in lan78xx_urb_config_init()
3205 dev->rx_urb_size = RX_FS_URB_SIZE; in lan78xx_urb_config_init()
3206 dev->tx_urb_size = TX_FS_URB_SIZE; in lan78xx_urb_config_init()
3207 dev->n_rx_urbs = RX_FS_URB_NUM; in lan78xx_urb_config_init()
3208 dev->n_tx_urbs = TX_FS_URB_NUM; in lan78xx_urb_config_init()
3209 dev->bulk_in_delay = FS_BULK_IN_DELAY; in lan78xx_urb_config_init()
3210 dev->burst_cap = FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE; in lan78xx_urb_config_init()
3213 netdev_warn(dev->net, "USB bus speed not supported\n"); in lan78xx_urb_config_init()
3214 result = -EIO; in lan78xx_urb_config_init()
3223 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_reset()
3246 netdev_warn(dev->net, in lan78xx_reset()
3248 ret = -ETIMEDOUT; in lan78xx_reset()
3258 dev->chipid = (buf & ID_REV_CHIP_ID_MASK_) >> 16; in lan78xx_reset()
3259 dev->chiprev = buf & ID_REV_CHIP_REV_MASK_; in lan78xx_reset()
3281 ret = lan78xx_write_reg(dev, BURST_CAP, dev->burst_cap); in lan78xx_reset()
3285 ret = lan78xx_write_reg(dev, BULK_IN_DLY, dev->bulk_in_delay); in lan78xx_reset()
3312 buf = (MAX_RX_FIFO_SIZE - 512) / 512; in lan78xx_reset()
3318 buf = (MAX_TX_FIFO_SIZE - 512) / 512; in lan78xx_reset()
3337 ret = lan78xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl); in lan78xx_reset()
3341 pdata->rfe_ctl |= RFE_CTL_BCAST_EN_ | RFE_CTL_DA_PERFECT_; in lan78xx_reset()
3343 ret = lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); in lan78xx_reset()
3348 ret = lan78xx_set_features(dev->net, dev->net->features); in lan78xx_reset()
3352 lan78xx_set_multicast(dev->net); in lan78xx_reset()
3373 netdev_warn(dev->net, "timeout waiting for PHY Reset"); in lan78xx_reset()
3374 ret = -ETIMEDOUT; in lan78xx_reset()
3386 if (dev->chipid == ID_REV_CHIP_ID_7801_) in lan78xx_reset()
3394 RX_MAX_FRAME_LEN(dev->net->mtu)); in lan78xx_reset()
3407 p = (u32 *)&dev->stats.rollover_max; in lan78xx_init_stats()
3408 for (i = 0; i < (sizeof(dev->stats.rollover_max) / (sizeof(u32))); i++) in lan78xx_init_stats()
3411 dev->stats.rollover_max.rx_unicast_byte_count = 0xFFFFFFFF; in lan78xx_init_stats()
3412 dev->stats.rollover_max.rx_broadcast_byte_count = 0xFFFFFFFF; in lan78xx_init_stats()
3413 dev->stats.rollover_max.rx_multicast_byte_count = 0xFFFFFFFF; in lan78xx_init_stats()
3414 dev->stats.rollover_max.eee_rx_lpi_transitions = 0xFFFFFFFF; in lan78xx_init_stats()
3415 dev->stats.rollover_max.eee_rx_lpi_time = 0xFFFFFFFF; in lan78xx_init_stats()
3416 dev->stats.rollover_max.tx_unicast_byte_count = 0xFFFFFFFF; in lan78xx_init_stats()
3417 dev->stats.rollover_max.tx_broadcast_byte_count = 0xFFFFFFFF; in lan78xx_init_stats()
3418 dev->stats.rollover_max.tx_multicast_byte_count = 0xFFFFFFFF; in lan78xx_init_stats()
3419 dev->stats.rollover_max.eee_tx_lpi_transitions = 0xFFFFFFFF; in lan78xx_init_stats()
3420 dev->stats.rollover_max.eee_tx_lpi_time = 0xFFFFFFFF; in lan78xx_init_stats()
3422 set_bit(EVENT_STAT_UPDATE, &dev->flags); in lan78xx_init_stats()
3430 netif_dbg(dev, ifup, dev->net, "open device"); in lan78xx_open()
3432 ret = usb_autopm_get_interface(dev->intf); in lan78xx_open()
3436 mutex_lock(&dev->dev_mutex); in lan78xx_open()
3440 napi_enable(&dev->napi); in lan78xx_open()
3442 set_bit(EVENT_DEV_OPEN, &dev->flags); in lan78xx_open()
3445 if (dev->urb_intr) { in lan78xx_open()
3446 ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL); in lan78xx_open()
3448 netif_err(dev, ifup, dev->net, in lan78xx_open()
3454 phylink_start(dev->phylink); in lan78xx_open()
3457 mutex_unlock(&dev->dev_mutex); in lan78xx_open()
3460 usb_autopm_put_interface(dev->intf); in lan78xx_open()
3474 dev->wait = &unlink_wakeup; in lan78xx_terminate_urbs()
3475 temp = unlink_urbs(dev, &dev->txq) + unlink_urbs(dev, &dev->rxq); in lan78xx_terminate_urbs()
3478 while (!skb_queue_empty(&dev->rxq) || in lan78xx_terminate_urbs()
3479 !skb_queue_empty(&dev->txq)) { in lan78xx_terminate_urbs()
3482 netif_dbg(dev, ifdown, dev->net, in lan78xx_terminate_urbs()
3486 dev->wait = NULL; in lan78xx_terminate_urbs()
3491 while (!skb_queue_empty(&dev->rxq_done)) { in lan78xx_terminate_urbs()
3492 struct sk_buff *skb = skb_dequeue(&dev->rxq_done); in lan78xx_terminate_urbs()
3497 skb_queue_purge(&dev->rxq_overflow); in lan78xx_terminate_urbs()
3498 skb_queue_purge(&dev->txq_pend); in lan78xx_terminate_urbs()
3505 netif_dbg(dev, ifup, dev->net, "stop device"); in lan78xx_stop()
3507 mutex_lock(&dev->dev_mutex); in lan78xx_stop()
3509 if (timer_pending(&dev->stat_monitor)) in lan78xx_stop()
3510 timer_delete_sync(&dev->stat_monitor); in lan78xx_stop()
3512 clear_bit(EVENT_DEV_OPEN, &dev->flags); in lan78xx_stop()
3513 napi_disable(&dev->napi); in lan78xx_stop()
3517 netif_info(dev, ifdown, dev->net, in lan78xx_stop()
3519 net->stats.rx_packets, net->stats.tx_packets, in lan78xx_stop()
3520 net->stats.rx_errors, net->stats.tx_errors); in lan78xx_stop()
3522 phylink_stop(dev->phylink); in lan78xx_stop()
3524 usb_kill_urb(dev->urb_intr); in lan78xx_stop()
3530 clear_bit(EVENT_TX_HALT, &dev->flags); in lan78xx_stop()
3531 clear_bit(EVENT_RX_HALT, &dev->flags); in lan78xx_stop()
3532 clear_bit(EVENT_PHY_INT_ACK, &dev->flags); in lan78xx_stop()
3533 clear_bit(EVENT_STAT_UPDATE, &dev->flags); in lan78xx_stop()
3535 cancel_delayed_work_sync(&dev->wq); in lan78xx_stop()
3537 usb_autopm_put_interface(dev->intf); in lan78xx_stop()
3539 mutex_unlock(&dev->dev_mutex); in lan78xx_stop()
3549 struct skb_data *entry = (struct skb_data *)skb->cb; in defer_bh()
3551 spin_lock_irqsave(&list->lock, flags); in defer_bh()
3552 old_state = entry->state; in defer_bh()
3553 entry->state = state; in defer_bh()
3556 spin_unlock(&list->lock); in defer_bh()
3557 spin_lock(&dev->rxq_done.lock); in defer_bh()
3559 __skb_queue_tail(&dev->rxq_done, skb); in defer_bh()
3560 if (skb_queue_len(&dev->rxq_done) == 1) in defer_bh()
3561 napi_schedule(&dev->napi); in defer_bh()
3563 spin_unlock_irqrestore(&dev->rxq_done.lock, flags); in defer_bh()
3570 struct sk_buff *skb = (struct sk_buff *)urb->context; in tx_complete()
3571 struct skb_data *entry = (struct skb_data *)skb->cb; in tx_complete()
3572 struct lan78xx_net *dev = entry->dev; in tx_complete()
3574 if (urb->status == 0) { in tx_complete()
3575 dev->net->stats.tx_packets += entry->num_of_packet; in tx_complete()
3576 dev->net->stats.tx_bytes += entry->length; in tx_complete()
3578 dev->net->stats.tx_errors += entry->num_of_packet; in tx_complete()
3580 switch (urb->status) { in tx_complete()
3581 case -EPIPE: in tx_complete()
3585 /* software-driven interface shutdown */ in tx_complete()
3586 case -ECONNRESET: in tx_complete()
3587 case -ESHUTDOWN: in tx_complete()
3588 netif_dbg(dev, tx_err, dev->net, in tx_complete()
3590 entry->urb->status); in tx_complete()
3593 case -EPROTO: in tx_complete()
3594 case -ETIME: in tx_complete()
3595 case -EILSEQ: in tx_complete()
3596 netif_stop_queue(dev->net); in tx_complete()
3597 netif_dbg(dev, tx_err, dev->net, in tx_complete()
3599 entry->urb->status); in tx_complete()
3602 netif_dbg(dev, tx_err, dev->net, in tx_complete()
3604 entry->urb->status); in tx_complete()
3609 usb_autopm_put_interface_async(dev->intf); in tx_complete()
3611 skb_unlink(skb, &dev->txq); in tx_complete()
3615 /* Re-schedule NAPI if Tx data pending but no URBs in progress. in tx_complete()
3617 if (skb_queue_empty(&dev->txq) && in tx_complete()
3618 !skb_queue_empty(&dev->txq_pend)) in tx_complete()
3619 napi_schedule(&dev->napi); in tx_complete()
3625 struct skb_data *entry = (struct skb_data *)newsk->cb; in lan78xx_queue_skb()
3628 entry->state = state; in lan78xx_queue_skb()
3633 return skb_queue_len(&dev->txq_free) * dev->tx_urb_size; in lan78xx_tx_urb_space()
3638 return dev->tx_pend_data_len; in lan78xx_tx_pend_data_len()
3647 spin_lock_irqsave(&dev->txq_pend.lock, flags); in lan78xx_tx_pend_skb_add()
3649 __skb_queue_tail(&dev->txq_pend, skb); in lan78xx_tx_pend_skb_add()
3651 dev->tx_pend_data_len += skb->len; in lan78xx_tx_pend_skb_add()
3652 *tx_pend_data_len = dev->tx_pend_data_len; in lan78xx_tx_pend_skb_add()
3654 spin_unlock_irqrestore(&dev->txq_pend.lock, flags); in lan78xx_tx_pend_skb_add()
3663 spin_lock_irqsave(&dev->txq_pend.lock, flags); in lan78xx_tx_pend_skb_head_add()
3665 __skb_queue_head(&dev->txq_pend, skb); in lan78xx_tx_pend_skb_head_add()
3667 dev->tx_pend_data_len += skb->len; in lan78xx_tx_pend_skb_head_add()
3668 *tx_pend_data_len = dev->tx_pend_data_len; in lan78xx_tx_pend_skb_head_add()
3670 spin_unlock_irqrestore(&dev->txq_pend.lock, flags); in lan78xx_tx_pend_skb_head_add()
3679 spin_lock_irqsave(&dev->txq_pend.lock, flags); in lan78xx_tx_pend_skb_get()
3681 *skb = __skb_dequeue(&dev->txq_pend); in lan78xx_tx_pend_skb_get()
3683 dev->tx_pend_data_len -= (*skb)->len; in lan78xx_tx_pend_skb_get()
3684 *tx_pend_data_len = dev->tx_pend_data_len; in lan78xx_tx_pend_skb_get()
3686 spin_unlock_irqrestore(&dev->txq_pend.lock, flags); in lan78xx_tx_pend_skb_get()
3695 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) in lan78xx_start_xmit()
3696 schedule_delayed_work(&dev->wq, 0); in lan78xx_start_xmit()
3704 if (skb_queue_empty(&dev->txq)) in lan78xx_start_xmit()
3705 napi_schedule(&dev->napi); in lan78xx_start_xmit()
3713 netif_dbg(dev, hw, dev->net, "tx data len: %u, urb space %u", in lan78xx_start_xmit()
3718 if (!skb_queue_empty(&dev->txq_free)) in lan78xx_start_xmit()
3719 napi_schedule(&dev->napi); in lan78xx_start_xmit()
3731 dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL); in lan78xx_bind()
3733 pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_bind()
3735 netdev_warn(dev->net, "Unable to allocate lan78xx_priv"); in lan78xx_bind()
3736 return -ENOMEM; in lan78xx_bind()
3739 pdata->dev = dev; in lan78xx_bind()
3741 spin_lock_init(&pdata->rfe_ctl_lock); in lan78xx_bind()
3742 mutex_init(&pdata->dataport_mutex); in lan78xx_bind()
3744 INIT_WORK(&pdata->set_multicast, lan78xx_deferred_multicast_write); in lan78xx_bind()
3747 pdata->vlan_table[i] = 0; in lan78xx_bind()
3749 INIT_WORK(&pdata->set_vlan, lan78xx_deferred_vlan_write); in lan78xx_bind()
3751 dev->net->features = 0; in lan78xx_bind()
3754 dev->net->features |= NETIF_F_HW_CSUM; in lan78xx_bind()
3757 dev->net->features |= NETIF_F_RXCSUM; in lan78xx_bind()
3760 dev->net->features |= NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_SG; in lan78xx_bind()
3763 dev->net->features |= NETIF_F_HW_VLAN_CTAG_RX; in lan78xx_bind()
3766 dev->net->features |= NETIF_F_HW_VLAN_CTAG_FILTER; in lan78xx_bind()
3768 dev->net->hw_features = dev->net->features; in lan78xx_bind()
3772 netdev_warn(dev->net, in lan78xx_bind()
3780 netdev_warn(dev->net, "Registers INIT FAILED...."); in lan78xx_bind()
3786 netdev_warn(dev->net, "MDIO INIT FAILED....."); in lan78xx_bind()
3790 dev->net->flags |= IFF_MULTICAST; in lan78xx_bind()
3792 pdata->wol = WAKE_MAGIC; in lan78xx_bind()
3800 netdev_warn(dev->net, "Bind routine FAILED"); in lan78xx_bind()
3801 cancel_work_sync(&pdata->set_multicast); in lan78xx_bind()
3802 cancel_work_sync(&pdata->set_vlan); in lan78xx_bind()
3809 struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_unbind()
3816 cancel_work_sync(&pdata->set_multicast); in lan78xx_unbind()
3817 cancel_work_sync(&pdata->set_vlan); in lan78xx_unbind()
3818 netif_dbg(dev, ifdown, dev->net, "free pdata"); in lan78xx_unbind()
3821 dev->data[0] = 0; in lan78xx_unbind()
3832 if (!(dev->net->features & NETIF_F_RXCSUM) || in lan78xx_rx_csum_offload()
3835 !(dev->net->features & NETIF_F_HW_VLAN_CTAG_RX))) { in lan78xx_rx_csum_offload()
3836 skb->ip_summed = CHECKSUM_NONE; in lan78xx_rx_csum_offload()
3838 skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT_)); in lan78xx_rx_csum_offload()
3839 skb->ip_summed = CHECKSUM_COMPLETE; in lan78xx_rx_csum_offload()
3847 if ((dev->net->features & NETIF_F_HW_VLAN_CTAG_RX) && in lan78xx_rx_vlan_offload()
3855 dev->net->stats.rx_packets++; in lan78xx_skb_return()
3856 dev->net->stats.rx_bytes += skb->len; in lan78xx_skb_return()
3858 skb->protocol = eth_type_trans(skb, dev->net); in lan78xx_skb_return()
3860 netif_dbg(dev, rx_status, dev->net, "< rx, len %zu, type 0x%x\n", in lan78xx_skb_return()
3861 skb->len + sizeof(struct ethhdr), skb->protocol); in lan78xx_skb_return()
3862 memset(skb->cb, 0, sizeof(struct skb_data)); in lan78xx_skb_return()
3867 napi_gro_receive(&dev->napi, skb); in lan78xx_skb_return()
3873 if (skb->len < RX_SKB_MIN_LEN) in lan78xx_rx()
3879 while (skb->len > 0) { in lan78xx_rx()
3884 rx_cmd_a = get_unaligned_le32(skb->data); in lan78xx_rx()
3887 rx_cmd_b = get_unaligned_le32(skb->data); in lan78xx_rx()
3890 rx_cmd_c = get_unaligned_le16(skb->data); in lan78xx_rx()
3893 packet = skb->data; in lan78xx_rx()
3897 align_count = (4 - ((size + RXW_PADDING) % 4)) % 4; in lan78xx_rx()
3899 if (unlikely(size > skb->len)) { in lan78xx_rx()
3900 netif_dbg(dev, rx_err, dev->net, in lan78xx_rx()
3907 netif_dbg(dev, rx_err, dev->net, in lan78xx_rx()
3914 netif_dbg(dev, rx_err, dev->net, in lan78xx_rx()
3920 frame_len = size - ETH_FCS_LEN; in lan78xx_rx()
3922 skb2 = napi_alloc_skb(&dev->napi, frame_len); in lan78xx_rx()
3926 memcpy(skb2->data, packet, frame_len); in lan78xx_rx()
3942 skb_queue_tail(&dev->rxq_overflow, skb2); in lan78xx_rx()
3949 if (skb->len) in lan78xx_rx()
3960 netif_dbg(dev, rx_err, dev->net, "drop\n"); in rx_process()
3961 dev->net->stats.rx_errors++; in rx_process()
3967 struct sk_buff *skb = (struct sk_buff *)urb->context; in rx_complete()
3968 struct skb_data *entry = (struct skb_data *)skb->cb; in rx_complete()
3969 struct lan78xx_net *dev = entry->dev; in rx_complete()
3970 int urb_status = urb->status; in rx_complete()
3973 netif_dbg(dev, rx_status, dev->net, in rx_complete()
3974 "rx done: status %d", urb->status); in rx_complete()
3976 skb_put(skb, urb->actual_length); in rx_complete()
3979 if (urb != entry->urb) in rx_complete()
3980 netif_warn(dev, rx_err, dev->net, "URB pointer mismatch"); in rx_complete()
3984 if (skb->len < RX_SKB_MIN_LEN) { in rx_complete()
3986 dev->net->stats.rx_errors++; in rx_complete()
3987 dev->net->stats.rx_length_errors++; in rx_complete()
3988 netif_dbg(dev, rx_err, dev->net, in rx_complete()
3989 "rx length %d\n", skb->len); in rx_complete()
3991 usb_mark_last_busy(dev->udev); in rx_complete()
3993 case -EPIPE: in rx_complete()
3994 dev->net->stats.rx_errors++; in rx_complete()
3997 case -ECONNRESET: /* async unlink */ in rx_complete()
3998 case -ESHUTDOWN: /* hardware gone */ in rx_complete()
3999 netif_dbg(dev, ifdown, dev->net, in rx_complete()
4003 case -EPROTO: in rx_complete()
4004 case -ETIME: in rx_complete()
4005 case -EILSEQ: in rx_complete()
4006 dev->net->stats.rx_errors++; in rx_complete()
4011 case -EOVERFLOW: in rx_complete()
4012 dev->net->stats.rx_over_errors++; in rx_complete()
4017 dev->net->stats.rx_errors++; in rx_complete()
4018 netif_dbg(dev, rx_err, dev->net, "rx status %d\n", urb_status); in rx_complete()
4022 state = defer_bh(dev, skb, &dev->rxq, state); in rx_complete()
4027 struct skb_data *entry = (struct skb_data *)skb->cb; in rx_submit()
4028 size_t size = dev->rx_urb_size; in rx_submit()
4029 struct urb *urb = entry->urb; in rx_submit()
4033 usb_fill_bulk_urb(urb, dev->udev, dev->pipe_in, in rx_submit()
4034 skb->data, size, rx_complete, skb); in rx_submit()
4036 spin_lock_irqsave(&dev->rxq.lock, lockflags); in rx_submit()
4038 if (netif_device_present(dev->net) && in rx_submit()
4039 netif_running(dev->net) && in rx_submit()
4040 !test_bit(EVENT_RX_HALT, &dev->flags) && in rx_submit()
4041 !test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in rx_submit()
4045 lan78xx_queue_skb(&dev->rxq, skb, rx_start); in rx_submit()
4047 case -EPIPE: in rx_submit()
4050 case -ENODEV: in rx_submit()
4051 case -ENOENT: in rx_submit()
4052 netif_dbg(dev, ifdown, dev->net, "device gone\n"); in rx_submit()
4053 netif_device_detach(dev->net); in rx_submit()
4055 case -EHOSTUNREACH: in rx_submit()
4056 ret = -ENOLINK; in rx_submit()
4057 napi_schedule(&dev->napi); in rx_submit()
4060 netif_dbg(dev, rx_err, dev->net, in rx_submit()
4062 napi_schedule(&dev->napi); in rx_submit()
4066 netif_dbg(dev, ifdown, dev->net, "rx: stopped\n"); in rx_submit()
4067 ret = -ENOLINK; in rx_submit()
4069 spin_unlock_irqrestore(&dev->rxq.lock, lockflags); in rx_submit()
4094 rx_buf->data = rx_buf->head; in lan78xx_rx_urb_resubmit()
4096 rx_buf->len = 0; in lan78xx_rx_urb_resubmit()
4097 rx_buf->data_len = 0; in lan78xx_rx_urb_resubmit()
4107 tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN_MASK_) | TX_CMD_A_FCS_; in lan78xx_fill_tx_cmd_words()
4109 if (skb->ip_summed == CHECKSUM_PARTIAL) in lan78xx_fill_tx_cmd_words()
4114 u16 mss = max(skb_shinfo(skb)->gso_size, TX_CMD_B_MSS_MIN_); in lan78xx_fill_tx_cmd_words()
4133 struct skb_data *entry = (struct skb_data *)tx_buf->cb; in lan78xx_tx_buf_fill()
4134 int remain = dev->tx_urb_size; in lan78xx_tx_buf_fill()
4135 u8 *tx_data = tx_buf->data; in lan78xx_tx_buf_fill()
4138 entry->num_of_packet = 0; in lan78xx_tx_buf_fill()
4139 entry->length = 0; in lan78xx_tx_buf_fill()
4157 align_bytes = (TX_ALIGNMENT - (urb_len % TX_ALIGNMENT)) % in lan78xx_tx_buf_fill()
4159 len = align_bytes + TX_CMD_LEN + skb->len; in lan78xx_tx_buf_fill()
4170 len = skb->len; in lan78xx_tx_buf_fill()
4172 struct net_device_stats *stats = &dev->net->stats; in lan78xx_tx_buf_fill()
4174 stats->tx_dropped++; in lan78xx_tx_buf_fill()
4176 tx_data -= TX_CMD_LEN; in lan78xx_tx_buf_fill()
4181 entry->length += len; in lan78xx_tx_buf_fill()
4182 entry->num_of_packet += skb_shinfo(skb)->gso_segs ?: 1; in lan78xx_tx_buf_fill()
4186 urb_len = (u32)(tx_data - (u8 *)tx_buf->data); in lan78xx_tx_buf_fill()
4188 remain = dev->tx_urb_size - urb_len; in lan78xx_tx_buf_fill()
4202 netif_tx_lock(dev->net); in lan78xx_tx_bh()
4203 if (netif_queue_stopped(dev->net)) { in lan78xx_tx_bh()
4205 netif_wake_queue(dev->net); in lan78xx_tx_bh()
4207 netif_tx_unlock(dev->net); in lan78xx_tx_bh()
4218 if (skb_queue_empty(&dev->txq_pend)) in lan78xx_tx_bh()
4227 spin_lock_irqsave(&dev->txq.lock, flags); in lan78xx_tx_bh()
4228 ret = usb_autopm_get_interface_async(dev->intf); in lan78xx_tx_bh()
4230 spin_unlock_irqrestore(&dev->txq.lock, flags); in lan78xx_tx_bh()
4234 usb_fill_bulk_urb(entry->urb, dev->udev, dev->pipe_out, in lan78xx_tx_bh()
4235 tx_buf->data, tx_buf->len, tx_complete, in lan78xx_tx_bh()
4238 if (tx_buf->len % dev->maxpacket == 0) { in lan78xx_tx_bh()
4240 entry->urb->transfer_flags |= URB_ZERO_PACKET; in lan78xx_tx_bh()
4245 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in lan78xx_tx_bh()
4246 usb_anchor_urb(entry->urb, &dev->deferred); in lan78xx_tx_bh()
4247 netif_stop_queue(dev->net); in lan78xx_tx_bh()
4248 spin_unlock_irqrestore(&dev->txq.lock, flags); in lan78xx_tx_bh()
4249 netdev_dbg(dev->net, in lan78xx_tx_bh()
4254 ret = usb_submit_urb(entry->urb, GFP_ATOMIC); in lan78xx_tx_bh()
4257 netif_trans_update(dev->net); in lan78xx_tx_bh()
4258 lan78xx_queue_skb(&dev->txq, tx_buf, tx_start); in lan78xx_tx_bh()
4260 case -EPIPE: in lan78xx_tx_bh()
4261 netif_stop_queue(dev->net); in lan78xx_tx_bh()
4263 usb_autopm_put_interface_async(dev->intf); in lan78xx_tx_bh()
4265 case -ENODEV: in lan78xx_tx_bh()
4266 case -ENOENT: in lan78xx_tx_bh()
4267 netif_dbg(dev, tx_err, dev->net, in lan78xx_tx_bh()
4269 netif_device_detach(dev->net); in lan78xx_tx_bh()
4272 usb_autopm_put_interface_async(dev->intf); in lan78xx_tx_bh()
4273 netif_dbg(dev, tx_err, dev->net, in lan78xx_tx_bh()
4278 spin_unlock_irqrestore(&dev->txq.lock, flags); in lan78xx_tx_bh()
4281 netdev_warn(dev->net, "failed to tx urb %d\n", ret); in lan78xx_tx_bh()
4283 dev->net->stats.tx_dropped += entry->num_of_packet; in lan78xx_tx_bh()
4300 while (!skb_queue_empty(&dev->rxq_overflow)) { in lan78xx_bh()
4301 lan78xx_skb_return(dev, skb_dequeue(&dev->rxq_overflow)); in lan78xx_bh()
4311 spin_lock_irqsave(&dev->rxq_done.lock, flags); in lan78xx_bh()
4312 skb_queue_splice_init(&dev->rxq_done, &done); in lan78xx_bh()
4313 spin_unlock_irqrestore(&dev->rxq_done.lock, flags); in lan78xx_bh()
4316 * pass them to the stack. Re-submit each completed URB. in lan78xx_bh()
4320 entry = (struct skb_data *)(rx_buf->cb); in lan78xx_bh()
4321 switch (entry->state) { in lan78xx_bh()
4328 netdev_dbg(dev->net, "rx buf state %d\n", in lan78xx_bh()
4329 entry->state); in lan78xx_bh()
4340 spin_lock_irqsave(&dev->rxq_done.lock, flags); in lan78xx_bh()
4341 skb_queue_splice(&done, &dev->rxq_done); in lan78xx_bh()
4342 spin_unlock_irqrestore(&dev->rxq_done.lock, flags); in lan78xx_bh()
4344 if (netif_device_present(dev->net) && netif_running(dev->net)) { in lan78xx_bh()
4346 if (timer_pending(&dev->stat_monitor) && (dev->delta != 1)) { in lan78xx_bh()
4347 dev->delta = 1; in lan78xx_bh()
4348 mod_timer(&dev->stat_monitor, in lan78xx_bh()
4354 if (!test_bit(EVENT_RX_HALT, &dev->flags)) in lan78xx_bh()
4373 if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) { in lan78xx_poll()
4388 if (!skb_queue_empty(&dev->rxq_done)) { in lan78xx_poll()
4390 } else if (netif_carrier_ok(dev->net)) { in lan78xx_poll()
4391 if (skb_queue_empty(&dev->txq) && in lan78xx_poll()
4392 !skb_queue_empty(&dev->txq_pend)) { in lan78xx_poll()
4395 netif_tx_lock(dev->net); in lan78xx_poll()
4396 if (netif_queue_stopped(dev->net)) { in lan78xx_poll()
4397 netif_wake_queue(dev->net); in lan78xx_poll()
4400 netif_tx_unlock(dev->net); in lan78xx_poll()
4416 if (test_bit(EVENT_DEV_DISCONNECT, &dev->flags)) in lan78xx_delayedwork()
4419 if (usb_autopm_get_interface(dev->intf) < 0) in lan78xx_delayedwork()
4422 if (test_bit(EVENT_TX_HALT, &dev->flags)) { in lan78xx_delayedwork()
4423 unlink_urbs(dev, &dev->txq); in lan78xx_delayedwork()
4425 status = usb_clear_halt(dev->udev, dev->pipe_out); in lan78xx_delayedwork()
4427 status != -EPIPE && in lan78xx_delayedwork()
4428 status != -ESHUTDOWN) { in lan78xx_delayedwork()
4430 netdev_err(dev->net, in lan78xx_delayedwork()
4434 clear_bit(EVENT_TX_HALT, &dev->flags); in lan78xx_delayedwork()
4435 if (status != -ESHUTDOWN) in lan78xx_delayedwork()
4436 netif_wake_queue(dev->net); in lan78xx_delayedwork()
4440 if (test_bit(EVENT_RX_HALT, &dev->flags)) { in lan78xx_delayedwork()
4441 unlink_urbs(dev, &dev->rxq); in lan78xx_delayedwork()
4442 status = usb_clear_halt(dev->udev, dev->pipe_in); in lan78xx_delayedwork()
4444 status != -EPIPE && in lan78xx_delayedwork()
4445 status != -ESHUTDOWN) { in lan78xx_delayedwork()
4447 netdev_err(dev->net, in lan78xx_delayedwork()
4451 clear_bit(EVENT_RX_HALT, &dev->flags); in lan78xx_delayedwork()
4452 napi_schedule(&dev->napi); in lan78xx_delayedwork()
4456 if (test_bit(EVENT_PHY_INT_ACK, &dev->flags)) { in lan78xx_delayedwork()
4459 clear_bit(EVENT_PHY_INT_ACK, &dev->flags); in lan78xx_delayedwork()
4462 netdev_info(dev->net, "PHY INT ack failed (%pe)\n", in lan78xx_delayedwork()
4466 if (test_bit(EVENT_STAT_UPDATE, &dev->flags)) { in lan78xx_delayedwork()
4469 clear_bit(EVENT_STAT_UPDATE, &dev->flags); in lan78xx_delayedwork()
4471 mod_timer(&dev->stat_monitor, in lan78xx_delayedwork()
4472 jiffies + (STAT_UPDATE_TIMER * dev->delta)); in lan78xx_delayedwork()
4474 dev->delta = min((dev->delta * 2), 50); in lan78xx_delayedwork()
4477 usb_autopm_put_interface(dev->intf); in lan78xx_delayedwork()
4482 struct lan78xx_net *dev = urb->context; in intr_complete()
4483 int status = urb->status; in intr_complete()
4491 /* software-driven interface shutdown */ in intr_complete()
4492 case -ENOENT: /* urb killed */ in intr_complete()
4493 case -ENODEV: /* hardware gone */ in intr_complete()
4494 case -ESHUTDOWN: /* hardware gone */ in intr_complete()
4495 netif_dbg(dev, ifdown, dev->net, in intr_complete()
4503 netdev_dbg(dev->net, "intr status %d\n", status); in intr_complete()
4507 if (!netif_device_present(dev->net) || in intr_complete()
4508 !netif_running(dev->net)) { in intr_complete()
4509 netdev_warn(dev->net, "not submitting new status URB"); in intr_complete()
4513 memset(urb->transfer_buffer, 0, urb->transfer_buffer_length); in intr_complete()
4519 case -ENODEV: in intr_complete()
4520 case -ENOENT: in intr_complete()
4521 netif_dbg(dev, timer, dev->net, in intr_complete()
4523 netif_device_detach(dev->net); in intr_complete()
4526 netif_err(dev, timer, dev->net, in intr_complete()
4527 "intr resubmit --> %d\n", status); in intr_complete()
4544 net = dev->net; in lan78xx_disconnect()
4547 phylink_stop(dev->phylink); in lan78xx_disconnect()
4548 phylink_disconnect_phy(dev->phylink); in lan78xx_disconnect()
4551 netif_napi_del(&dev->napi); in lan78xx_disconnect()
4555 timer_shutdown_sync(&dev->stat_monitor); in lan78xx_disconnect()
4556 set_bit(EVENT_DEV_DISCONNECT, &dev->flags); in lan78xx_disconnect()
4557 cancel_delayed_work_sync(&dev->wq); in lan78xx_disconnect()
4559 phylink_destroy(dev->phylink); in lan78xx_disconnect()
4561 usb_scuttle_anchored_urbs(&dev->deferred); in lan78xx_disconnect()
4568 usb_kill_urb(dev->urb_intr); in lan78xx_disconnect()
4569 usb_free_urb(dev->urb_intr); in lan78xx_disconnect()
4579 unlink_urbs(dev, &dev->txq); in lan78xx_tx_timeout()
4580 napi_schedule(&dev->napi); in lan78xx_tx_timeout()
4589 if (skb->len > LAN78XX_TSO_SIZE(dev)) in lan78xx_features_check()
4638 dev_err(&intf->dev, "Error: OOM\n"); in lan78xx_probe()
4639 ret = -ENOMEM; in lan78xx_probe()
4643 SET_NETDEV_DEV(netdev, &intf->dev); in lan78xx_probe()
4646 dev->udev = udev; in lan78xx_probe()
4647 dev->intf = intf; in lan78xx_probe()
4648 dev->net = netdev; in lan78xx_probe()
4649 dev->msg_enable = netif_msg_init(msg_level, NETIF_MSG_DRV in lan78xx_probe()
4652 skb_queue_head_init(&dev->rxq); in lan78xx_probe()
4653 skb_queue_head_init(&dev->txq); in lan78xx_probe()
4654 skb_queue_head_init(&dev->rxq_done); in lan78xx_probe()
4655 skb_queue_head_init(&dev->txq_pend); in lan78xx_probe()
4656 skb_queue_head_init(&dev->rxq_overflow); in lan78xx_probe()
4657 mutex_init(&dev->mdiobus_mutex); in lan78xx_probe()
4658 mutex_init(&dev->dev_mutex); in lan78xx_probe()
4672 /* MTU range: 68 - 9000 */ in lan78xx_probe()
4673 netdev->max_mtu = MAX_SINGLE_PACKET_SIZE; in lan78xx_probe()
4677 netif_napi_add(netdev, &dev->napi, lan78xx_poll); in lan78xx_probe()
4679 INIT_DELAYED_WORK(&dev->wq, lan78xx_delayedwork); in lan78xx_probe()
4680 init_usb_anchor(&dev->deferred); in lan78xx_probe()
4682 netdev->netdev_ops = &lan78xx_netdev_ops; in lan78xx_probe()
4683 netdev->watchdog_timeo = TX_TIMEOUT_JIFFIES; in lan78xx_probe()
4684 netdev->ethtool_ops = &lan78xx_ethtool_ops; in lan78xx_probe()
4686 dev->delta = 1; in lan78xx_probe()
4687 timer_setup(&dev->stat_monitor, lan78xx_stat_monitor, 0); in lan78xx_probe()
4689 mutex_init(&dev->stats.access_lock); in lan78xx_probe()
4691 if (intf->cur_altsetting->desc.bNumEndpoints < 3) { in lan78xx_probe()
4692 ret = -ENODEV; in lan78xx_probe()
4696 dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE); in lan78xx_probe()
4697 ep_blkin = usb_pipe_endpoint(udev, dev->pipe_in); in lan78xx_probe()
4698 if (!ep_blkin || !usb_endpoint_is_bulk_in(&ep_blkin->desc)) { in lan78xx_probe()
4699 ret = -ENODEV; in lan78xx_probe()
4703 dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE); in lan78xx_probe()
4704 ep_blkout = usb_pipe_endpoint(udev, dev->pipe_out); in lan78xx_probe()
4705 if (!ep_blkout || !usb_endpoint_is_bulk_out(&ep_blkout->desc)) { in lan78xx_probe()
4706 ret = -ENODEV; in lan78xx_probe()
4710 ep_intr = &intf->cur_altsetting->endpoint[2]; in lan78xx_probe()
4711 if (!usb_endpoint_is_int_in(&ep_intr->desc)) { in lan78xx_probe()
4712 ret = -ENODEV; in lan78xx_probe()
4716 dev->pipe_intr = usb_rcvintpipe(dev->udev, in lan78xx_probe()
4717 usb_endpoint_num(&ep_intr->desc)); in lan78xx_probe()
4723 period = ep_intr->desc.bInterval; in lan78xx_probe()
4724 maxp = usb_maxpacket(dev->udev, dev->pipe_intr); in lan78xx_probe()
4726 dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL); in lan78xx_probe()
4727 if (!dev->urb_intr) { in lan78xx_probe()
4728 ret = -ENOMEM; in lan78xx_probe()
4734 ret = -ENOMEM; in lan78xx_probe()
4738 usb_fill_int_urb(dev->urb_intr, dev->udev, in lan78xx_probe()
4739 dev->pipe_intr, buf, maxp, in lan78xx_probe()
4741 dev->urb_intr->transfer_flags |= URB_FREE_BUFFER; in lan78xx_probe()
4743 dev->maxpacket = usb_maxpacket(dev->udev, dev->pipe_out); in lan78xx_probe()
4746 if (dev->maxpacket == 0) { in lan78xx_probe()
4747 ret = -ENODEV; in lan78xx_probe()
4751 /* driver requires remote-wakeup capability during autosuspend. */ in lan78xx_probe()
4752 intf->needs_remote_wakeup = 1; in lan78xx_probe()
4766 ret = device_set_wakeup_enable(&udev->dev, true); in lan78xx_probe()
4771 pm_runtime_set_autosuspend_delay(&udev->dev, in lan78xx_probe()
4779 usb_free_urb(dev->urb_intr); in lan78xx_probe()
4783 netif_napi_del(&dev->napi); in lan78xx_probe()
4888 static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol) in lan78xx_set_suspend() argument
4935 if (wol & WAKE_PHY) { in lan78xx_set_suspend()
4942 if (wol & WAKE_MAGIC) { in lan78xx_set_suspend()
4949 if (wol & WAKE_BCAST) { in lan78xx_set_suspend()
4956 if (wol & WAKE_MCAST) { in lan78xx_set_suspend()
5013 if (wol & WAKE_UCAST) { in lan78xx_set_suspend()
5020 if (wol & WAKE_ARP) { in lan78xx_set_suspend()
5059 /* when multiple WOL bits are set */ in lan78xx_set_suspend()
5060 if (hweight_long((unsigned long)wol) > 1) { in lan78xx_set_suspend()
5091 mutex_lock(&dev->dev_mutex); in lan78xx_suspend()
5093 netif_dbg(dev, ifdown, dev->net, in lan78xx_suspend()
5096 dev_open = test_bit(EVENT_DEV_OPEN, &dev->flags); in lan78xx_suspend()
5099 spin_lock_irq(&dev->txq.lock); in lan78xx_suspend()
5101 if ((skb_queue_len(&dev->txq) || in lan78xx_suspend()
5102 skb_queue_len(&dev->txq_pend)) && in lan78xx_suspend()
5104 spin_unlock_irq(&dev->txq.lock); in lan78xx_suspend()
5105 ret = -EBUSY; in lan78xx_suspend()
5108 set_bit(EVENT_DEV_ASLEEP, &dev->flags); in lan78xx_suspend()
5109 spin_unlock_irq(&dev->txq.lock); in lan78xx_suspend()
5113 phylink_suspend(dev->phylink, false); in lan78xx_suspend()
5131 netif_device_detach(dev->net); in lan78xx_suspend()
5133 usb_kill_urb(dev->urb_intr); in lan78xx_suspend()
5136 netif_device_attach(dev->net); in lan78xx_suspend()
5138 timer_delete(&dev->stat_monitor); in lan78xx_suspend()
5147 pdata = (struct lan78xx_priv *)(dev->data[0]); in lan78xx_suspend()
5148 netif_carrier_off(dev->net); in lan78xx_suspend()
5149 ret = lan78xx_set_suspend(dev, pdata->wol); in lan78xx_suspend()
5154 /* Interface is down; don't allow WOL and PHY in lan78xx_suspend()
5159 set_bit(EVENT_DEV_ASLEEP, &dev->flags); in lan78xx_suspend()
5194 mutex_unlock(&dev->dev_mutex); in lan78xx_suspend()
5204 while ((urb = usb_get_from_anchor(&dev->deferred))) { in lan78xx_submit_deferred_urbs()
5205 struct sk_buff *skb = urb->context; in lan78xx_submit_deferred_urbs()
5208 if (!netif_device_present(dev->net) || in lan78xx_submit_deferred_urbs()
5209 !netif_carrier_ok(dev->net) || in lan78xx_submit_deferred_urbs()
5218 netif_trans_update(dev->net); in lan78xx_submit_deferred_urbs()
5219 lan78xx_queue_skb(&dev->txq, skb, tx_start); in lan78xx_submit_deferred_urbs()
5221 if (ret == -EPIPE) { in lan78xx_submit_deferred_urbs()
5222 netif_stop_queue(dev->net); in lan78xx_submit_deferred_urbs()
5224 } else if (ret == -ENODEV) { in lan78xx_submit_deferred_urbs()
5225 netif_device_detach(dev->net); in lan78xx_submit_deferred_urbs()
5241 mutex_lock(&dev->dev_mutex); in lan78xx_resume()
5243 netif_dbg(dev, ifup, dev->net, "resuming device"); in lan78xx_resume()
5245 dev_open = test_bit(EVENT_DEV_OPEN, &dev->flags); in lan78xx_resume()
5254 if (dev->urb_intr) { in lan78xx_resume()
5255 int ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL); in lan78xx_resume()
5258 if (ret == -ENODEV) in lan78xx_resume()
5259 netif_device_detach(dev->net); in lan78xx_resume()
5260 netdev_warn(dev->net, "Failed to submit intr URB"); in lan78xx_resume()
5264 spin_lock_irq(&dev->txq.lock); in lan78xx_resume()
5266 if (netif_device_present(dev->net)) { in lan78xx_resume()
5273 clear_bit(EVENT_DEV_ASLEEP, &dev->flags); in lan78xx_resume()
5275 spin_unlock_irq(&dev->txq.lock); in lan78xx_resume()
5278 netif_device_present(dev->net) && in lan78xx_resume()
5280 netif_start_queue(dev->net); in lan78xx_resume()
5286 napi_schedule(&dev->napi); in lan78xx_resume()
5288 if (!timer_pending(&dev->stat_monitor)) { in lan78xx_resume()
5289 dev->delta = 1; in lan78xx_resume()
5290 mod_timer(&dev->stat_monitor, in lan78xx_resume()
5295 clear_bit(EVENT_DEV_ASLEEP, &dev->flags); in lan78xx_resume()
5327 mutex_unlock(&dev->dev_mutex); in lan78xx_resume()
5337 netif_dbg(dev, ifup, dev->net, "(reset) resuming device"); in lan78xx_reset_resume()
5348 phylink_resume(dev->phylink); in lan78xx_reset_resume()
5368 /* ATM2-AF USB Gigabit Ethernet Device */