diff options
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 352 |
1 files changed, 231 insertions, 121 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 9f13b66..36d31a4 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel PRO/1000 Linux driver - Copyright(c) 1999 - 2009 Intel Corporation. + Copyright(c) 1999 - 2010 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -52,7 +52,9 @@ #include "e1000.h" -#define DRV_VERSION "1.0.2-k4" +#define DRV_EXTRAVERSION "-k2" + +#define DRV_VERSION "1.2.7" DRV_EXTRAVERSION char e1000e_driver_name[] = "e1000e"; const char e1000e_driver_version[] = DRV_VERSION; @@ -67,6 +69,7 @@ static const struct e1000_info *e1000_info_tbl[] = { [board_ich9lan] = &e1000_ich9_info, [board_ich10lan] = &e1000_ich10_info, [board_pchlan] = &e1000_pch_info, + [board_pch2lan] = &e1000_pch2_info, }; struct e1000_reg_info { @@ -221,10 +224,10 @@ static void e1000e_dump(struct e1000_adapter *adapter) buffer_info = &tx_ring->buffer_info[tx_ring->next_to_clean]; printk(KERN_INFO " %5d %5X %5X %016llX %04X %3X %016llX\n", 0, tx_ring->next_to_use, tx_ring->next_to_clean, - (u64)buffer_info->dma, + (unsigned long long)buffer_info->dma, buffer_info->length, buffer_info->next_to_watch, - (u64)buffer_info->time_stamp); + (unsigned long long)buffer_info->time_stamp); /* Print TX Rings */ if (!netif_msg_tx_done(adapter)) @@ -276,9 +279,11 @@ static void e1000e_dump(struct e1000_adapter *adapter) "%04X %3X %016llX %p", (!(le64_to_cpu(u0->b) & (1<<29)) ? 'l' : ((le64_to_cpu(u0->b) & (1<<20)) ? 'd' : 'c')), i, - le64_to_cpu(u0->a), le64_to_cpu(u0->b), - (u64)buffer_info->dma, buffer_info->length, - buffer_info->next_to_watch, (u64)buffer_info->time_stamp, + (unsigned long long)le64_to_cpu(u0->a), + (unsigned long long)le64_to_cpu(u0->b), + (unsigned long long)buffer_info->dma, + buffer_info->length, buffer_info->next_to_watch, + (unsigned long long)buffer_info->time_stamp, buffer_info->skb); if (i == tx_ring->next_to_use && i == tx_ring->next_to_clean) printk(KERN_CONT " NTC/U\n"); @@ -353,19 +358,19 @@ rx_ring_summary: printk(KERN_INFO "RWB[0x%03X] %016llX " "%016llX %016llX %016llX " "---------------- %p", i, - le64_to_cpu(u1->a), - le64_to_cpu(u1->b), - le64_to_cpu(u1->c), - le64_to_cpu(u1->d), + (unsigned long long)le64_to_cpu(u1->a), + (unsigned long long)le64_to_cpu(u1->b), + (unsigned long long)le64_to_cpu(u1->c), + (unsigned long long)le64_to_cpu(u1->d), buffer_info->skb); } else { printk(KERN_INFO "R [0x%03X] %016llX " "%016llX %016llX %016llX %016llX %p", i, - le64_to_cpu(u1->a), - le64_to_cpu(u1->b), - le64_to_cpu(u1->c), - le64_to_cpu(u1->d), - (u64)buffer_info->dma, + (unsigned long long)le64_to_cpu(u1->a), + (unsigned long long)le64_to_cpu(u1->b), + (unsigned long long)le64_to_cpu(u1->c), + (unsigned long long)le64_to_cpu(u1->d), + (unsigned long long)buffer_info->dma, buffer_info->skb); if (netif_msg_pktdata(adapter)) @@ -402,9 +407,11 @@ rx_ring_summary: buffer_info = &rx_ring->buffer_info[i]; u0 = (struct my_u0 *)rx_desc; printk(KERN_INFO "Rl[0x%03X] %016llX %016llX " - "%016llX %p", - i, le64_to_cpu(u0->a), le64_to_cpu(u0->b), - (u64)buffer_info->dma, buffer_info->skb); + "%016llX %p", i, + (unsigned long long)le64_to_cpu(u0->a), + (unsigned long long)le64_to_cpu(u0->b), + (unsigned long long)buffer_info->dma, + buffer_info->skb); if (i == rx_ring->next_to_use) printk(KERN_CONT " NTU\n"); else if (i == rx_ring->next_to_clean) @@ -1778,25 +1785,25 @@ void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter) void e1000e_set_interrupt_capability(struct e1000_adapter *adapter) { int err; - int numvecs, i; - + int i; switch (adapter->int_mode) { case E1000E_INT_MODE_MSIX: if (adapter->flags & FLAG_HAS_MSIX) { - numvecs = 3; /* RxQ0, TxQ0 and other */ - adapter->msix_entries = kcalloc(numvecs, + adapter->num_vectors = 3; /* RxQ0, TxQ0 and other */ + adapter->msix_entries = kcalloc(adapter->num_vectors, sizeof(struct msix_entry), GFP_KERNEL); if (adapter->msix_entries) { - for (i = 0; i < numvecs; i++) + for (i = 0; i < adapter->num_vectors; i++) adapter->msix_entries[i].entry = i; err = pci_enable_msix(adapter->pdev, adapter->msix_entries, - numvecs); - if (err == 0) + adapter->num_vectors); + if (err == 0) { return; + } } /* MSI-X failed, so fall through and try MSI */ e_err("Failed to initialize MSI-X interrupts. " @@ -1818,6 +1825,9 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter) /* Don't do anything; this is the system default */ break; } + + /* store the number of vectors being used */ + adapter->num_vectors = 1; } /** @@ -1939,7 +1949,14 @@ static void e1000_irq_disable(struct e1000_adapter *adapter) if (adapter->msix_entries) ew32(EIAC_82574, 0); e1e_flush(); - synchronize_irq(adapter->pdev->irq); + + if (adapter->msix_entries) { + int i; + for (i = 0; i < adapter->num_vectors; i++) + synchronize_irq(adapter->msix_entries[i].vector); + } else { + synchronize_irq(adapter->pdev->irq); + } } /** @@ -2723,6 +2740,16 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) e1e_wphy(hw, 22, phy_data); } + /* Workaround Si errata on 82579 - configure jumbo frame flow */ + if (hw->mac.type == e1000_pch2lan) { + s32 ret_val; + + if (rctl & E1000_RCTL_LPE) + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); + else + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); + } + /* Setup buffer sizes */ rctl &= ~E1000_RCTL_SZ_4096; rctl |= E1000_RCTL_BSEX; @@ -2759,7 +2786,7 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) * per packet. */ pages = PAGE_USE_COUNT(adapter->netdev->mtu); - if (!(adapter->flags & FLAG_IS_ICH) && (pages <= 3) && + if (!(adapter->flags & FLAG_HAS_ERT) && (pages <= 3) && (PAGE_SIZE <= 16384) && (rctl & E1000_RCTL_LPE)) adapter->rx_ps_pages = pages; else @@ -3118,7 +3145,27 @@ void e1000e_reset(struct e1000_adapter *adapter) * with ERT support assuming ERT set to E1000_ERT_2048), or * - the full Rx FIFO size minus one full frame */ - if (hw->mac.type == e1000_pchlan) { + if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME) + fc->pause_time = 0xFFFF; + else + fc->pause_time = E1000_FC_PAUSE_TIME; + fc->send_xon = 1; + fc->current_mode = fc->requested_mode; + + switch (hw->mac.type) { + default: + if ((adapter->flags & FLAG_HAS_ERT) && + (adapter->netdev->mtu > ETH_DATA_LEN)) + hwm = min(((pba << 10) * 9 / 10), + ((pba << 10) - (E1000_ERT_2048 << 3))); + else + hwm = min(((pba << 10) * 9 / 10), + ((pba << 10) - adapter->max_frame_size)); + + fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */ + fc->low_water = fc->high_water - 8; + break; + case e1000_pchlan: /* * Workaround PCH LOM adapter hangs with certain network * loads. If hangs persist, try disabling Tx flow control. @@ -3131,26 +3178,15 @@ void e1000e_reset(struct e1000_adapter *adapter) fc->low_water = 0x3000; } fc->refresh_time = 0x1000; - } else { - if ((adapter->flags & FLAG_HAS_ERT) && - (adapter->netdev->mtu > ETH_DATA_LEN)) - hwm = min(((pba << 10) * 9 / 10), - ((pba << 10) - (E1000_ERT_2048 << 3))); - else - hwm = min(((pba << 10) * 9 / 10), - ((pba << 10) - adapter->max_frame_size)); - - fc->high_water = hwm & E1000_FCRTH_RTH; /* 8-byte granularity */ - fc->low_water = fc->high_water - 8; + break; + case e1000_pch2lan: + fc->high_water = 0x05C20; + fc->low_water = 0x05048; + fc->pause_time = 0x0650; + fc->refresh_time = 0x0400; + break; } - if (adapter->flags & FLAG_DISABLE_FC_PAUSE_TIME) - fc->pause_time = 0xFFFF; - else - fc->pause_time = E1000_FC_PAUSE_TIME; - fc->send_xon = 1; - fc->current_mode = fc->requested_mode; - /* Allow time for pending master requests to run */ mac->ops.reset_hw(hw); @@ -3162,8 +3198,6 @@ void e1000e_reset(struct e1000_adapter *adapter) e1000_get_hw_control(adapter); ew32(WUC, 0); - if (adapter->flags2 & FLAG2_HAS_PHY_WAKEUP) - e1e_wphy(&adapter->hw, BM_WUC, 0); if (mac->ops.init_hw(hw)) e_err("Hardware Error\n"); @@ -3194,12 +3228,6 @@ int e1000e_up(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; - /* DMA latency requirement to workaround early-receive/jumbo issue */ - if (adapter->flags & FLAG_HAS_ERT) - pm_qos_add_request(&adapter->netdev->pm_qos_req, - PM_QOS_CPU_DMA_LATENCY, - PM_QOS_DEFAULT_VALUE); - /* hardware has been reset, we need to reload some things */ e1000_configure(adapter); @@ -3263,9 +3291,6 @@ void e1000e_down(struct e1000_adapter *adapter) e1000_clean_tx_ring(adapter); e1000_clean_rx_ring(adapter); - if (adapter->flags & FLAG_HAS_ERT) - pm_qos_remove_request(&adapter->netdev->pm_qos_req); - /* * TODO: for power management, we could drop the link and * pci_disable_device here. @@ -3416,13 +3441,18 @@ static int e1000_test_msi(struct e1000_adapter *adapter) /* disable SERR in case the MSI write causes a master abort */ pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd); - pci_write_config_word(adapter->pdev, PCI_COMMAND, - pci_cmd & ~PCI_COMMAND_SERR); + if (pci_cmd & PCI_COMMAND_SERR) + pci_write_config_word(adapter->pdev, PCI_COMMAND, + pci_cmd & ~PCI_COMMAND_SERR); err = e1000_test_msi_interrupt(adapter); - /* restore previous setting of command word */ - pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd); + /* re-enable SERR */ + if (pci_cmd & PCI_COMMAND_SERR) { + pci_read_config_word(adapter->pdev, PCI_COMMAND, &pci_cmd); + pci_cmd |= PCI_COMMAND_SERR; + pci_write_config_word(adapter->pdev, PCI_COMMAND, pci_cmd); + } /* success ! */ if (!err) @@ -3495,6 +3525,12 @@ static int e1000_open(struct net_device *netdev) E1000_MNG_DHCP_COOKIE_STATUS_VLAN)) e1000_update_mng_vlan(adapter); + /* DMA latency requirement to workaround early-receive/jumbo issue */ + if (adapter->flags & FLAG_HAS_ERT) + pm_qos_add_request(&adapter->netdev->pm_qos_req, + PM_QOS_CPU_DMA_LATENCY, + PM_QOS_DEFAULT_VALUE); + /* * before we allocate an interrupt, we must be ready to handle it. * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt @@ -3599,6 +3635,9 @@ static int e1000_close(struct net_device *netdev) if (adapter->flags & FLAG_HAS_AMT) e1000_release_hw_control(adapter); + if (adapter->flags & FLAG_HAS_ERT) + pm_qos_remove_request(&adapter->netdev->pm_qos_req); + pm_runtime_put_sync(&pdev->dev); return 0; @@ -3669,6 +3708,110 @@ static void e1000_update_phy_info(unsigned long data) } /** + * e1000e_update_phy_stats - Update the PHY statistics counters + * @adapter: board private structure + **/ +static void e1000e_update_phy_stats(struct e1000_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + s32 ret_val; + u16 phy_data; + + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return; + + hw->phy.addr = 1; + +#define HV_PHY_STATS_PAGE 778 + /* + * A page set is expensive so check if already on desired page. + * If not, set to the page with the PHY status registers. + */ + ret_val = e1000e_read_phy_reg_mdic(hw, IGP01E1000_PHY_PAGE_SELECT, + &phy_data); + if (ret_val) + goto release; + if (phy_data != (HV_PHY_STATS_PAGE << IGP_PAGE_SHIFT)) { + ret_val = e1000e_write_phy_reg_mdic(hw, + IGP01E1000_PHY_PAGE_SELECT, + (HV_PHY_STATS_PAGE << + IGP_PAGE_SHIFT)); + if (ret_val) + goto release; + } + + /* Read/clear the upper 16-bit registers and read/accumulate lower */ + + /* Single Collision Count */ + e1000e_read_phy_reg_mdic(hw, HV_SCC_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_SCC_LOWER & MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + adapter->stats.scc += phy_data; + + /* Excessive Collision Count */ + e1000e_read_phy_reg_mdic(hw, HV_ECOL_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_ECOL_LOWER & MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + adapter->stats.ecol += phy_data; + + /* Multiple Collision Count */ + e1000e_read_phy_reg_mdic(hw, HV_MCC_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_MCC_LOWER & MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + adapter->stats.mcc += phy_data; + + /* Late Collision Count */ + e1000e_read_phy_reg_mdic(hw, HV_LATECOL_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_LATECOL_LOWER & + MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + adapter->stats.latecol += phy_data; + + /* Collision Count - also used for adaptive IFS */ + e1000e_read_phy_reg_mdic(hw, HV_COLC_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_COLC_LOWER & MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + hw->mac.collision_delta = phy_data; + + /* Defer Count */ + e1000e_read_phy_reg_mdic(hw, HV_DC_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_DC_LOWER & MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + adapter->stats.dc += phy_data; + + /* Transmit with no CRS */ + e1000e_read_phy_reg_mdic(hw, HV_TNCRS_UPPER & MAX_PHY_REG_ADDRESS, + &phy_data); + ret_val = e1000e_read_phy_reg_mdic(hw, + HV_TNCRS_LOWER & MAX_PHY_REG_ADDRESS, + &phy_data); + if (!ret_val) + adapter->stats.tncrs += phy_data; + +release: + hw->phy.ops.release(hw); +} + +/** * e1000e_update_stats - Update the board statistics counters * @adapter: board private structure **/ @@ -3677,7 +3820,6 @@ void e1000e_update_stats(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; struct e1000_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; - u16 phy_data; /* * Prevent stats update while adapter is being reset, or if the pci @@ -3697,34 +3839,27 @@ void e1000e_update_stats(struct e1000_adapter *adapter) adapter->stats.roc += er32(ROC); adapter->stats.mpc += er32(MPC); - if ((hw->phy.type == e1000_phy_82578) || - (hw->phy.type == e1000_phy_82577)) { - e1e_rphy(hw, HV_SCC_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_SCC_LOWER, &phy_data)) - adapter->stats.scc += phy_data; - - e1e_rphy(hw, HV_ECOL_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_ECOL_LOWER, &phy_data)) - adapter->stats.ecol += phy_data; - - e1e_rphy(hw, HV_MCC_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_MCC_LOWER, &phy_data)) - adapter->stats.mcc += phy_data; - - e1e_rphy(hw, HV_LATECOL_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_LATECOL_LOWER, &phy_data)) - adapter->stats.latecol += phy_data; - - e1e_rphy(hw, HV_DC_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_DC_LOWER, &phy_data)) - adapter->stats.dc += phy_data; - } else { - adapter->stats.scc += er32(SCC); - adapter->stats.ecol += er32(ECOL); - adapter->stats.mcc += er32(MCC); - adapter->stats.latecol += er32(LATECOL); - adapter->stats.dc += er32(DC); + + /* Half-duplex statistics */ + if (adapter->link_duplex == HALF_DUPLEX) { + if (adapter->flags2 & FLAG2_HAS_PHY_STATS) { + e1000e_update_phy_stats(adapter); + } else { + adapter->stats.scc += er32(SCC); + adapter->stats.ecol += er32(ECOL); + adapter->stats.mcc += er32(MCC); + adapter->stats.latecol += er32(LATECOL); + adapter->stats.dc += er32(DC); + + hw->mac.collision_delta = er32(COLC); + + if ((hw->mac.type != e1000_82574) && + (hw->mac.type != e1000_82583)) + adapter->stats.tncrs += er32(TNCRS); + } + adapter->stats.colc += hw->mac.collision_delta; } + adapter->stats.xonrxc += er32(XONRXC); adapter->stats.xontxc += er32(XONTXC); adapter->stats.xoffrxc += er32(XOFFRXC); @@ -3742,28 +3877,9 @@ void e1000e_update_stats(struct e1000_adapter *adapter) hw->mac.tx_packet_delta = er32(TPT); adapter->stats.tpt += hw->mac.tx_packet_delta; - if ((hw->phy.type == e1000_phy_82578) || - (hw->phy.type == e1000_phy_82577)) { - e1e_rphy(hw, HV_COLC_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_COLC_LOWER, &phy_data)) - hw->mac.collision_delta = phy_data; - } else { - hw->mac.collision_delta = er32(COLC); - } - adapter->stats.colc += hw->mac.collision_delta; adapter->stats.algnerrc += er32(ALGNERRC); adapter->stats.rxerrc += er32(RXERRC); - if ((hw->phy.type == e1000_phy_82578) || - (hw->phy.type == e1000_phy_82577)) { - e1e_rphy(hw, HV_TNCRS_UPPER, &phy_data); - if (!e1e_rphy(hw, HV_TNCRS_LOWER, &phy_data)) - adapter->stats.tncrs += phy_data; - } else { - if ((hw->mac.type != e1000_82574) && - (hw->mac.type != e1000_82583)) - adapter->stats.tncrs += er32(TNCRS); - } adapter->stats.cexterr += er32(CEXTERR); adapter->stats.tsctc += er32(TSCTC); adapter->stats.tsctfc += er32(TSCTFC); @@ -3862,7 +3978,7 @@ static void e1000_print_link_info(struct e1000_adapter *adapter) ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" ))); } -bool e1000e_has_link(struct e1000_adapter *adapter) +static bool e1000e_has_link(struct e1000_adapter *adapter) { struct e1000_hw *hw = &adapter->hw; bool link_active = 0; @@ -4838,14 +4954,7 @@ static int e1000_init_phy_wakeup(struct e1000_adapter *adapter, u32 wufc) int retval = 0; /* copy MAC RARs to PHY RARs */ - for (i = 0; i < adapter->hw.mac.rar_entry_count; i++) { - mac_reg = er32(RAL(i)); - e1e_wphy(hw, BM_RAR_L(i), (u16)(mac_reg & 0xFFFF)); - e1e_wphy(hw, BM_RAR_M(i), (u16)((mac_reg >> 16) & 0xFFFF)); - mac_reg = er32(RAH(i)); - e1e_wphy(hw, BM_RAR_H(i), (u16)(mac_reg & 0xFFFF)); - e1e_wphy(hw, BM_RAR_CTRL(i), (u16)((mac_reg >> 16) & 0xFFFF)); - } + e1000_copy_rx_addrs_to_phy_ich8lan(hw); /* copy MAC MTA to PHY MTA */ for (i = 0; i < adapter->hw.mac.mta_reg_count; i++) { @@ -5548,8 +5657,6 @@ static int __devinit e1000_probe(struct pci_dev *pdev, if (err) goto err_sw_init; - err = -EIO; - memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops)); memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops)); memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops)); @@ -5896,6 +6003,9 @@ static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = { { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DM), board_pchlan }, { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_D_HV_DC), board_pchlan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_LM), board_pch2lan }, + { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH2_LV_V), board_pch2lan }, + { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, e1000_pci_tbl); @@ -5932,7 +6042,7 @@ static int __init e1000_init_module(void) int ret; pr_info("Intel(R) PRO/1000 Network Driver - %s\n", e1000e_driver_version); - pr_info("Copyright (c) 1999 - 2009 Intel Corporation.\n"); + pr_info("Copyright (c) 1999 - 2010 Intel Corporation.\n"); ret = pci_register_driver(&e1000_driver); return ret; |