diff options
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r-- | drivers/net/e1000e/netdev.c | 259 |
1 files changed, 116 insertions, 143 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 869544b8c05..05b0b2f9c54 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -195,7 +195,7 @@ map_skb: buffer_info->dma = pci_map_single(pdev, skb->data, adapter->rx_buffer_len, PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(buffer_info->dma)) { + if (pci_dma_mapping_error(pdev, buffer_info->dma)) { dev_err(&pdev->dev, "RX DMA map failed\n"); adapter->rx_dma_failed++; break; @@ -265,7 +265,7 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, ps_page->page, 0, PAGE_SIZE, PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(ps_page->dma)) { + if (pci_dma_mapping_error(pdev, ps_page->dma)) { dev_err(&adapter->pdev->dev, "RX DMA page map failed\n"); adapter->rx_dma_failed++; @@ -300,7 +300,7 @@ static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter, buffer_info->dma = pci_map_single(pdev, skb->data, adapter->rx_ps_bsize0, PCI_DMA_FROMDEVICE); - if (pci_dma_mapping_error(buffer_info->dma)) { + if (pci_dma_mapping_error(pdev, buffer_info->dma)) { dev_err(&pdev->dev, "RX DMA map failed\n"); adapter->rx_dma_failed++; /* cleanup skb */ @@ -484,8 +484,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, * packet, also make sure the frame isn't just CRC only */ if (!(status & E1000_RXD_STAT_EOP) || (length <= 4)) { /* All receives must fit into a single buffer */ - ndev_dbg(netdev, "%s: Receive packet consumed " - "multiple buffers\n", netdev->name); + e_dbg("%s: Receive packet consumed multiple buffers\n", + netdev->name); /* recycle */ buffer_info->skb = skb; goto next_desc; @@ -576,28 +576,26 @@ static void e1000_print_tx_hang(struct e1000_adapter *adapter) unsigned int i = tx_ring->next_to_clean; unsigned int eop = tx_ring->buffer_info[i].next_to_watch; struct e1000_tx_desc *eop_desc = E1000_TX_DESC(*tx_ring, eop); - struct net_device *netdev = adapter->netdev; /* detected Tx unit hang */ - ndev_err(netdev, - "Detected Tx Unit Hang:\n" - " TDH <%x>\n" - " TDT <%x>\n" - " next_to_use <%x>\n" - " next_to_clean <%x>\n" - "buffer_info[next_to_clean]:\n" - " time_stamp <%lx>\n" - " next_to_watch <%x>\n" - " jiffies <%lx>\n" - " next_to_watch.status <%x>\n", - readl(adapter->hw.hw_addr + tx_ring->head), - readl(adapter->hw.hw_addr + tx_ring->tail), - tx_ring->next_to_use, - tx_ring->next_to_clean, - tx_ring->buffer_info[eop].time_stamp, - eop, - jiffies, - eop_desc->upper.fields.status); + e_err("Detected Tx Unit Hang:\n" + " TDH <%x>\n" + " TDT <%x>\n" + " next_to_use <%x>\n" + " next_to_clean <%x>\n" + "buffer_info[next_to_clean]:\n" + " time_stamp <%lx>\n" + " next_to_watch <%x>\n" + " jiffies <%lx>\n" + " next_to_watch.status <%x>\n", + readl(adapter->hw.hw_addr + tx_ring->head), + readl(adapter->hw.hw_addr + tx_ring->tail), + tx_ring->next_to_use, + tx_ring->next_to_clean, + tx_ring->buffer_info[eop].time_stamp, + eop, + jiffies, + eop_desc->upper.fields.status); } /** @@ -747,8 +745,8 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, buffer_info->dma = 0; if (!(staterr & E1000_RXD_STAT_EOP)) { - ndev_dbg(netdev, "%s: Packet Split buffers didn't pick " - "up the full packet\n", netdev->name); + e_dbg("%s: Packet Split buffers didn't pick up the " + "full packet\n", netdev->name); dev_kfree_skb_irq(skb); goto next_desc; } @@ -761,8 +759,8 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, length = le16_to_cpu(rx_desc->wb.middle.length0); if (!length) { - ndev_dbg(netdev, "%s: Last part of the packet spanning" - " multiple descriptors\n", netdev->name); + e_dbg("%s: Last part of the packet spanning multiple " + "descriptors\n", netdev->name); dev_kfree_skb_irq(skb); goto next_desc; } @@ -1011,7 +1009,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter, /* eth type trans needs skb->data to point to something */ if (!pskb_may_pull(skb, ETH_HLEN)) { - ndev_err(netdev, "pskb_may_pull failed.\n"); + e_err("pskb_may_pull failed.\n"); dev_kfree_skb(skb); goto next_desc; } @@ -1251,10 +1249,8 @@ static int e1000_request_irq(struct e1000_adapter *adapter) err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name, netdev); if (err) { - ndev_err(netdev, - "Unable to allocate %s interrupt (return: %d)\n", - adapter->flags & FLAG_MSI_ENABLED ? "MSI":"INTx", - err); + e_err("Unable to allocate %s interrupt (return: %d)\n", + adapter->flags & FLAG_MSI_ENABLED ? "MSI":"INTx", err); if (adapter->flags & FLAG_MSI_ENABLED) pci_disable_msi(adapter->pdev); } @@ -1395,8 +1391,7 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter) return 0; err: vfree(tx_ring->buffer_info); - ndev_err(adapter->netdev, - "Unable to allocate memory for the transmit descriptor ring\n"); + e_err("Unable to allocate memory for the transmit descriptor ring\n"); return err; } @@ -1450,8 +1445,7 @@ err_pages: } err: vfree(rx_ring->buffer_info); - ndev_err(adapter->netdev, - "Unable to allocate memory for the transmit descriptor ring\n"); + e_err("Unable to allocate memory for the transmit descriptor ring\n"); return err; } @@ -2450,13 +2444,13 @@ void e1000e_reset(struct e1000_adapter *adapter) * For parts with AMT enabled, let the firmware know * that the network interface is in control */ - if ((adapter->flags & FLAG_HAS_AMT) && e1000e_check_mng_mode(hw)) + if (adapter->flags & FLAG_HAS_AMT) e1000_get_hw_control(adapter); ew32(WUC, 0); if (mac->ops.init_hw(hw)) - ndev_err(adapter->netdev, "Hardware Error\n"); + e_err("Hardware Error\n"); e1000_update_mng_vlan(adapter); @@ -2591,7 +2585,7 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter) return 0; err: - ndev_err(netdev, "Unable to allocate memory for queues\n"); + e_err("Unable to allocate memory for queues\n"); kfree(adapter->rx_ring); kfree(adapter->tx_ring); return -ENOMEM; @@ -2640,8 +2634,7 @@ static int e1000_open(struct net_device *netdev) * If AMT is enabled, let the firmware know that the network * interface is now open */ - if ((adapter->flags & FLAG_HAS_AMT) && - e1000e_check_mng_mode(&adapter->hw)) + if (adapter->flags & FLAG_HAS_AMT) e1000_get_hw_control(adapter); /* @@ -2719,8 +2712,7 @@ static int e1000_close(struct net_device *netdev) * If AMT is enabled, let the firmware know that the network * interface is now closed */ - if ((adapter->flags & FLAG_HAS_AMT) && - e1000e_check_mng_mode(&adapter->hw)) + if (adapter->flags & FLAG_HAS_AMT) e1000_release_hw_control(adapter); return 0; @@ -2917,8 +2909,7 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter) ret_val |= e1e_rphy(hw, PHY_1000T_STATUS, &phy->stat1000); ret_val |= e1e_rphy(hw, PHY_EXT_STATUS, &phy->estatus); if (ret_val) - ndev_warn(adapter->netdev, - "Error reading PHY register\n"); + e_warn("Error reading PHY register\n"); } else { /* * Do not read PHY registers if link is not up @@ -2943,18 +2934,16 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter) static void e1000_print_link_info(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; u32 ctrl = er32(CTRL); - ndev_info(netdev, - "Link is Up %d Mbps %s, Flow Control: %s\n", - adapter->link_speed, - (adapter->link_duplex == FULL_DUPLEX) ? - "Full Duplex" : "Half Duplex", - ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ? - "RX/TX" : - ((ctrl & E1000_CTRL_RFCE) ? "RX" : - ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" ))); + e_info("Link is Up %d Mbps %s, Flow Control: %s\n", + adapter->link_speed, + (adapter->link_duplex == FULL_DUPLEX) ? + "Full Duplex" : "Half Duplex", + ((ctrl & E1000_CTRL_TFCE) && (ctrl & E1000_CTRL_RFCE)) ? + "RX/TX" : + ((ctrl & E1000_CTRL_RFCE) ? "RX" : + ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" ))); } static bool e1000_has_link(struct e1000_adapter *adapter) @@ -2994,8 +2983,7 @@ static bool e1000_has_link(struct e1000_adapter *adapter) if ((ret_val == E1000_ERR_PHY) && (hw->phy.type == e1000_phy_igp_3) && (er32(CTRL) & E1000_PHY_CTRL_GBE_DISABLE)) { /* See e1000_kmrn_lock_loss_workaround_ich8lan() */ - ndev_info(adapter->netdev, - "Gigabit has been disabled, downgrading speed\n"); + e_info("Gigabit has been disabled, downgrading speed\n"); } return link_active; @@ -3096,8 +3084,7 @@ static void e1000_watchdog_task(struct work_struct *work) switch (adapter->link_speed) { case SPEED_10: case SPEED_100: - ndev_info(netdev, - "10/100 speed: disabling TSO\n"); + e_info("10/100 speed: disabling TSO\n"); netdev->features &= ~NETIF_F_TSO; netdev->features &= ~NETIF_F_TSO6; break; @@ -3130,7 +3117,7 @@ static void e1000_watchdog_task(struct work_struct *work) if (netif_carrier_ok(netdev)) { adapter->link_speed = 0; adapter->link_duplex = 0; - ndev_info(netdev, "Link is Down\n"); + e_info("Link is Down\n"); netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); if (!test_bit(__E1000_DOWN, &adapter->state)) @@ -3344,7 +3331,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter, skb->data + offset, size, PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(buffer_info->dma)) { + if (pci_dma_mapping_error(adapter->pdev, buffer_info->dma)) { dev_err(&adapter->pdev->dev, "TX DMA map failed\n"); adapter->tx_dma_failed++; return -1; @@ -3382,7 +3369,8 @@ static int e1000_tx_map(struct e1000_adapter *adapter, offset, size, PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(buffer_info->dma)) { + if (pci_dma_mapping_error(adapter->pdev, + buffer_info->dma)) { dev_err(&adapter->pdev->dev, "TX DMA page map failed\n"); adapter->tx_dma_failed++; @@ -3603,8 +3591,7 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev) pull_size = min((unsigned int)4, skb->data_len); if (!__pskb_pull_tail(skb, pull_size)) { - ndev_err(netdev, - "__pskb_pull_tail failed.\n"); + e_err("__pskb_pull_tail failed.\n"); dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -3736,25 +3723,25 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu) if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || (max_frame > MAX_JUMBO_FRAME_SIZE)) { - ndev_err(netdev, "Invalid MTU setting\n"); + e_err("Invalid MTU setting\n"); return -EINVAL; } /* Jumbo frame size limits */ if (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN) { if (!(adapter->flags & FLAG_HAS_JUMBO_FRAMES)) { - ndev_err(netdev, "Jumbo Frames not supported.\n"); + e_err("Jumbo Frames not supported.\n"); return -EINVAL; } if (adapter->hw.phy.type == e1000_phy_ife) { - ndev_err(netdev, "Jumbo Frames not supported.\n"); + e_err("Jumbo Frames not supported.\n"); return -EINVAL; } } #define MAX_STD_JUMBO_FRAME_SIZE 9234 if (max_frame > MAX_STD_JUMBO_FRAME_SIZE) { - ndev_err(netdev, "MTU > 9216 not supported.\n"); + e_err("MTU > 9216 not supported.\n"); return -EINVAL; } @@ -3791,8 +3778,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu) adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN; - ndev_info(netdev, "changing MTU from %d to %d\n", - netdev->mtu, new_mtu); + e_info("changing MTU from %d to %d\n", netdev->mtu, new_mtu); netdev->mtu = new_mtu; if (netif_running(netdev)) @@ -4005,10 +3991,7 @@ static int e1000_resume(struct pci_dev *pdev) pci_restore_state(pdev); e1000e_disable_l1aspm(pdev); - if (adapter->need_ioport) - err = pci_enable_device(pdev); - else - err = pci_enable_device_mem(pdev); + err = pci_enable_device_mem(pdev); if (err) { dev_err(&pdev->dev, "Cannot enable PCI device from suspend\n"); @@ -4042,7 +4025,7 @@ static int e1000_resume(struct pci_dev *pdev) * is up. For all other cases, let the f/w know that the h/w is now * under the control of the driver. */ - if (!(adapter->flags & FLAG_HAS_AMT) || !e1000e_check_mng_mode(&adapter->hw)) + if (!(adapter->flags & FLAG_HAS_AMT)) e1000_get_hw_control(adapter); return 0; @@ -4067,8 +4050,6 @@ static void e1000_netpoll(struct net_device *netdev) disable_irq(adapter->pdev->irq); e1000_intr(adapter->pdev->irq, netdev); - e1000_clean_tx_irq(adapter); - enable_irq(adapter->pdev->irq); } #endif @@ -4112,10 +4093,7 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev) int err; e1000e_disable_l1aspm(pdev); - if (adapter->need_ioport) - err = pci_enable_device(pdev); - else - err = pci_enable_device_mem(pdev); + err = pci_enable_device_mem(pdev); if (err) { dev_err(&pdev->dev, "Cannot re-enable PCI device after reset.\n"); @@ -4163,8 +4141,7 @@ static void e1000_io_resume(struct pci_dev *pdev) * is up. For all other cases, let the f/w know that the h/w is now * under the control of the driver. */ - if (!(adapter->flags & FLAG_HAS_AMT) || - !e1000e_check_mng_mode(&adapter->hw)) + if (!(adapter->flags & FLAG_HAS_AMT)) e1000_get_hw_control(adapter); } @@ -4176,36 +4153,40 @@ static void e1000_print_device_info(struct e1000_adapter *adapter) u32 pba_num; /* print bus type/speed/width info */ - ndev_info(netdev, "(PCI Express:2.5GB/s:%s) " - "%02x:%02x:%02x:%02x:%02x:%02x\n", - /* bus width */ - ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" : - "Width x1"), - /* MAC address */ - netdev->dev_addr[0], netdev->dev_addr[1], - netdev->dev_addr[2], netdev->dev_addr[3], - netdev->dev_addr[4], netdev->dev_addr[5]); - ndev_info(netdev, "Intel(R) PRO/%s Network Connection\n", - (hw->phy.type == e1000_phy_ife) - ? "10/100" : "1000"); + e_info("(PCI Express:2.5GB/s:%s) %02x:%02x:%02x:%02x:%02x:%02x\n", + /* bus width */ + ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" : + "Width x1"), + /* MAC address */ + netdev->dev_addr[0], netdev->dev_addr[1], + netdev->dev_addr[2], netdev->dev_addr[3], + netdev->dev_addr[4], netdev->dev_addr[5]); + e_info("Intel(R) PRO/%s Network Connection\n", + (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000"); e1000e_read_pba_num(hw, &pba_num); - ndev_info(netdev, "MAC: %d, PHY: %d, PBA No: %06x-%03x\n", - hw->mac.type, hw->phy.type, - (pba_num >> 8), (pba_num & 0xff)); + e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n", + hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff)); } -/** - * e1000e_is_need_ioport - determine if an adapter needs ioport resources or not - * @pdev: PCI device information struct - * - * Returns true if an adapters needs ioport resources - **/ -static int e1000e_is_need_ioport(struct pci_dev *pdev) +static void e1000_eeprom_checks(struct e1000_adapter *adapter) { - switch (pdev->device) { - /* Currently there are no adapters that need ioport resources */ - default: - return false; + struct e1000_hw *hw = &adapter->hw; + int ret_val; + u16 buf = 0; + + if (hw->mac.type != e1000_82573) + return; + + ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf); + if (!(le16_to_cpu(buf) & (1 << 0))) { + /* Deep Smart Power Down (DSPD) */ + e_warn("Warning: detected DSPD enabled in EEPROM\n"); + } + + ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf); + if (le16_to_cpu(buf) & (3 << 2)) { + /* ASPM enable */ + e_warn("Warning: detected ASPM enabled in EEPROM\n"); } } @@ -4234,19 +4215,10 @@ static int __devinit e1000_probe(struct pci_dev *pdev, int i, err, pci_using_dac; u16 eeprom_data = 0; u16 eeprom_apme_mask = E1000_EEPROM_APME; - int bars, need_ioport; e1000e_disable_l1aspm(pdev); - /* do not allocate ioport bars when not needed */ - need_ioport = e1000e_is_need_ioport(pdev); - if (need_ioport) { - bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); - err = pci_enable_device(pdev); - } else { - bars = pci_select_bars(pdev, IORESOURCE_MEM); - err = pci_enable_device_mem(pdev); - } + err = pci_enable_device_mem(pdev); if (err) return err; @@ -4269,7 +4241,9 @@ static int __devinit e1000_probe(struct pci_dev *pdev, } } - err = pci_request_selected_regions(pdev, bars, e1000e_driver_name); + err = pci_request_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM), + e1000e_driver_name); if (err) goto err_pci_reg; @@ -4294,8 +4268,6 @@ static int __devinit e1000_probe(struct pci_dev *pdev, adapter->hw.adapter = adapter; adapter->hw.mac.type = ei->mac; adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1; - adapter->bars = bars; - adapter->need_ioport = need_ioport; mmio_start = pci_resource_start(pdev, 0); mmio_len = pci_resource_len(pdev, 0); @@ -4367,8 +4339,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, } if (e1000_check_reset_block(&adapter->hw)) - ndev_info(netdev, - "PHY reset is blocked due to SOL/IDER session.\n"); + e_info("PHY reset is blocked due to SOL/IDER session.\n"); netdev->features = NETIF_F_SG | NETIF_F_HW_CSUM | @@ -4412,25 +4383,26 @@ static int __devinit e1000_probe(struct pci_dev *pdev, if (e1000_validate_nvm_checksum(&adapter->hw) >= 0) break; if (i == 2) { - ndev_err(netdev, "The NVM Checksum Is Not Valid\n"); + e_err("The NVM Checksum Is Not Valid\n"); err = -EIO; goto err_eeprom; } } + e1000_eeprom_checks(adapter); + /* copy the MAC address out of the NVM */ if (e1000e_read_mac_addr(&adapter->hw)) - ndev_err(netdev, "NVM Read Error while reading MAC address\n"); + e_err("NVM Read Error while reading MAC address\n"); memcpy(netdev->dev_addr, adapter->hw.mac.addr, netdev->addr_len); memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len); if (!is_valid_ether_addr(netdev->perm_addr)) { - ndev_err(netdev, "Invalid MAC Address: " - "%02x:%02x:%02x:%02x:%02x:%02x\n", - netdev->perm_addr[0], netdev->perm_addr[1], - netdev->perm_addr[2], netdev->perm_addr[3], - netdev->perm_addr[4], netdev->perm_addr[5]); + e_err("Invalid MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n", + netdev->perm_addr[0], netdev->perm_addr[1], + netdev->perm_addr[2], netdev->perm_addr[3], + netdev->perm_addr[4], netdev->perm_addr[5]); err = -EIO; goto err_eeprom; } @@ -4500,8 +4472,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, * is up. For all other cases, let the f/w know that the h/w is now * under the control of the driver. */ - if (!(adapter->flags & FLAG_HAS_AMT) || - !e1000e_check_mng_mode(&adapter->hw)) + if (!(adapter->flags & FLAG_HAS_AMT)) e1000_get_hw_control(adapter); /* tell the stack to leave us alone until e1000_open() is called */ @@ -4518,24 +4489,25 @@ static int __devinit e1000_probe(struct pci_dev *pdev, return 0; err_register: -err_hw_init: - e1000_release_hw_control(adapter); + if (!(adapter->flags & FLAG_HAS_AMT)) + e1000_release_hw_control(adapter); err_eeprom: if (!e1000_check_reset_block(&adapter->hw)) e1000_phy_hw_reset(&adapter->hw); +err_hw_init: - if (adapter->hw.flash_address) - iounmap(adapter->hw.flash_address); - -err_flashmap: kfree(adapter->tx_ring); kfree(adapter->rx_ring); err_sw_init: + if (adapter->hw.flash_address) + iounmap(adapter->hw.flash_address); +err_flashmap: iounmap(adapter->hw.hw_addr); err_ioremap: free_netdev(netdev); err_alloc_etherdev: - pci_release_selected_regions(pdev, bars); + pci_release_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM)); err_pci_reg: err_dma: pci_disable_device(pdev); @@ -4583,7 +4555,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev) iounmap(adapter->hw.hw_addr); if (adapter->hw.flash_address) iounmap(adapter->hw.flash_address); - pci_release_selected_regions(pdev, adapter->bars); + pci_release_selected_regions(pdev, + pci_select_bars(pdev, IORESOURCE_MEM)); free_netdev(netdev); |