diff options
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
| -rw-r--r-- | drivers/net/e1000e/netdev.c | 560 |
1 files changed, 385 insertions, 175 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 57a7e41da69e..c4ca1629f532 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) @@ -468,7 +475,8 @@ static void e1000_rx_checksum(struct e1000_adapter *adapter, u32 status_err, { u16 status = (u16)status_err; u8 errors = (u8)(status_err >> 24); - skb->ip_summed = CHECKSUM_NONE; + + skb_checksum_none_assert(skb); /* Ignore Checksum bit is set */ if (status & E1000_RXD_STAT_IXSM) @@ -774,6 +782,7 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter, if (*work_done >= work_to_do) break; (*work_done)++; + rmb(); /* read descriptor and rx_buffer_info after status DD */ status = rx_desc->status; skb = buffer_info->skb; @@ -984,6 +993,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) && (count < tx_ring->count)) { bool cleaned = false; + rmb(); /* read buffer_info after eop_desc */ for (; !cleaned; count++) { tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; @@ -1043,7 +1053,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) adapter->total_tx_packets += total_tx_packets; netdev->stats.tx_bytes += total_tx_bytes; netdev->stats.tx_packets += total_tx_packets; - return (count < tx_ring->count); + return count < tx_ring->count; } /** @@ -1080,6 +1090,7 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter, break; (*work_done)++; skb = buffer_info->skb; + rmb(); /* read descriptor and rx_buffer_info after status DD */ /* in the packet split case this is header only */ prefetch(skb->data - NET_IP_ALIGN); @@ -1279,6 +1290,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter, if (*work_done >= work_to_do) break; (*work_done)++; + rmb(); /* read descriptor and rx_buffer_info after status DD */ status = rx_desc->status; skb = buffer_info->skb; @@ -1778,25 +1790,25 @@ 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 +1830,9 @@ 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 +1954,14 @@ 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); + } } /** @@ -2268,6 +2290,11 @@ static void e1000_set_itr(struct e1000_adapter *adapter) goto set_itr_now; } + if (adapter->flags2 & FLAG2_DISABLE_AIM) { + new_itr = 0; + goto set_itr_now; + } + adapter->tx_itr = e1000_update_itr(adapter, adapter->tx_itr, adapter->total_tx_packets, @@ -2316,7 +2343,10 @@ set_itr_now: if (adapter->msix_entries) adapter->rx_ring->set_itr = 1; else - ew32(ITR, 1000000000 / (new_itr * 256)); + if (new_itr) + ew32(ITR, 1000000000 / (new_itr * 256)); + else + ew32(ITR, 0); } } @@ -2515,7 +2545,7 @@ static void e1000_restore_vlan(struct e1000_adapter *adapter) if (!adapter->vlgrp) return; - for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) { + for (vid = 0; vid < VLAN_N_VID; vid++) { if (!vlan_group_get_device(adapter->vlgrp, vid)) continue; e1000_vlan_rx_add_vid(adapter->netdev, vid); @@ -2628,6 +2658,26 @@ static void e1000_configure_tx(struct e1000_adapter *adapter) /* Tx irq moderation */ ew32(TADV, adapter->tx_abs_int_delay); + if (adapter->flags2 & FLAG2_DMA_BURST) { + u32 txdctl = er32(TXDCTL(0)); + txdctl &= ~(E1000_TXDCTL_PTHRESH | E1000_TXDCTL_HTHRESH | + E1000_TXDCTL_WTHRESH); + /* + * set up some performance related parameters to encourage the + * hardware to use the bus more efficiently in bursts, depends + * on the tx_int_delay to be enabled, + * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time + * hthresh = 1 ==> prefetch when one or more available + * pthresh = 0x1f ==> prefetch if internal cache 31 or less + * BEWARE: this seems to work but should be considered first if + * there are tx hangs or other tx related bugs + */ + txdctl |= E1000_TXDCTL_DMA_BURST_ENABLE; + ew32(TXDCTL(0), txdctl); + /* erratum work around: set txdctl the same for both queues */ + ew32(TXDCTL(1), txdctl); + } + /* Program the Transmit Control Register */ tctl = er32(TCTL); tctl &= ~E1000_TCTL_CT; @@ -2683,6 +2733,16 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter) u32 psrctl = 0; u32 pages = 0; + /* Workaround Si errata on 82579 - configure jumbo frame flow */ + if (hw->mac.type == e1000_pch2lan) { + s32 ret_val; + + if (adapter->netdev->mtu > ETH_DATA_LEN) + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, true); + else + ret_val = e1000_lv_jumbo_workaround_ich8lan(hw, false); + } + /* Program MC offset vector base */ rctl = er32(RCTL); rctl &= ~(3 << E1000_RCTL_MO_SHIFT); @@ -2759,7 +2819,7 @@ 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 @@ -2840,12 +2900,35 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) e1e_flush(); msleep(10); + if (adapter->flags2 & FLAG2_DMA_BURST) { + /* + * set the writeback threshold (only takes effect if the RDTR + * is set). set GRAN=1 and write back up to 0x4 worth, and + * enable prefetching of 0x20 rx descriptors + * granularity = 01 + * wthresh = 04, + * hthresh = 04, + * pthresh = 0x20 + */ + ew32(RXDCTL(0), E1000_RXDCTL_DMA_BURST_ENABLE); + ew32(RXDCTL(1), E1000_RXDCTL_DMA_BURST_ENABLE); + + /* + * override the delay timers for enabling bursting, only if + * the value was not set by the user via module options + */ + if (adapter->rx_int_delay == DEFAULT_RDTR) + adapter->rx_int_delay = BURST_RDTR; + if (adapter->rx_abs_int_delay == DEFAULT_RADV) + adapter->rx_abs_int_delay = BURST_RADV; + } + /* set the Receive Delay Timer Register */ ew32(RDTR, adapter->rx_int_delay); /* irq moderation */ ew32(RADV, adapter->rx_abs_int_delay); - if (adapter->itr_setting != 0) + if ((adapter->itr_setting != 0) && (adapter->itr != 0)) ew32(ITR, 1000000000 / (adapter->itr * 256)); ctrl_ext = er32(CTRL_EXT); @@ -2890,21 +2973,23 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) * packet size is equal or larger than the specified value (in 8 byte * units), e.g. using jumbo frames when setting to E1000_ERT_2048 */ - if (adapter->flags & FLAG_HAS_ERT) { + if ((adapter->flags & FLAG_HAS_ERT) || + (adapter->hw.mac.type == e1000_pch2lan)) { if (adapter->netdev->mtu > ETH_DATA_LEN) { u32 rxdctl = er32(RXDCTL(0)); ew32(RXDCTL(0), rxdctl | 0x3); - ew32(ERT, E1000_ERT_2048 | (1 << 13)); + if (adapter->flags & FLAG_HAS_ERT) + ew32(ERT, E1000_ERT_2048 | (1 << 13)); /* * With jumbo frames and early-receive enabled, * excessive C-state transition latencies result in * dropped transactions. */ pm_qos_update_request( - adapter->netdev->pm_qos_req, 55); + &adapter->netdev->pm_qos_req, 55); } else { pm_qos_update_request( - adapter->netdev->pm_qos_req, + &adapter->netdev->pm_qos_req, PM_QOS_DEFAULT_VALUE); } } @@ -3118,7 +3203,27 @@ 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. @@ -3131,25 +3236,40 @@ 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; + if (adapter->netdev->mtu > ETH_DATA_LEN) { + pba = 14; + ew32(PBA, pba); + } + 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; + /* + * Disable Adaptive Interrupt Moderation if 2 full packets cannot + * fit in receive buffer and early-receive not supported. + */ + if (adapter->itr_setting & 0x3) { + if (((adapter->max_frame_size * 2) > (pba << 10)) && + !(adapter->flags & FLAG_HAS_ERT)) { + if (!(adapter->flags2 & FLAG2_DISABLE_AIM)) { + dev_info(&adapter->pdev->dev, + "Interrupt Throttle Rate turned off\n"); + adapter->flags2 |= FLAG2_DISABLE_AIM; + ew32(ITR, 0); + } + } else if (adapter->flags2 & FLAG2_DISABLE_AIM) { + dev_info(&adapter->pdev->dev, + "Interrupt Throttle Rate turned on\n"); + adapter->flags2 &= ~FLAG2_DISABLE_AIM; + adapter->itr = 20000; + ew32(ITR, 1000000000 / (adapter->itr * 256)); + } + } /* Allow time for pending master requests to run */ mac->ops.reset_hw(hw); @@ -3162,8 +3282,6 @@ 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 +3312,6 @@ 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) - adapter->netdev->pm_qos_req = - pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY, - PM_QOS_DEFAULT_VALUE); - /* hardware has been reset, we need to reload some things */ e1000_configure(adapter); @@ -3263,12 +3375,6 @@ 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); - adapter->netdev->pm_qos_req = NULL; - } - /* * TODO: for power management, we could drop the link and * pci_disable_device here. @@ -3385,22 +3491,16 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter) if (adapter->flags & FLAG_MSI_TEST_FAILED) { adapter->int_mode = E1000E_INT_MODE_LEGACY; - err = -EIO; - e_info("MSI interrupt test failed!\n"); - } + e_info("MSI interrupt test failed, using legacy interrupt.\n"); + } else + e_dbg("MSI interrupt test succeeded!\n"); free_irq(adapter->pdev->irq, netdev); pci_disable_msi(adapter->pdev); - if (err == -EIO) - goto msi_test_failed; - - /* okay so the test worked, restore settings */ - e_dbg("MSI interrupt test succeeded!\n"); msi_test_failed: e1000e_set_interrupt_capability(adapter); - e1000_request_irq(adapter); - return err; + return e1000_request_irq(adapter); } /** @@ -3419,28 +3519,18 @@ 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); - - /* success ! */ - if (!err) - return 0; - - /* EIO means MSI test failed */ - if (err != -EIO) - return err; - - /* back to INTx mode */ - e_warn("MSI interrupt test failed, using legacy interrupt.\n"); - - e1000_free_irq(adapter); - - err = e1000_request_irq(adapter); + /* 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); + } return err; } @@ -3498,6 +3588,13 @@ 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) || + (adapter->hw.mac.type == e1000_pch2lan)) + 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 @@ -3602,6 +3699,10 @@ 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) || + (adapter->hw.mac.type == e1000_pch2lan)) + pm_qos_remove_request(&adapter->netdev->pm_qos_req); + pm_runtime_put_sync(&pdev->dev); return 0; @@ -3672,6 +3773,110 @@ 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 **/ @@ -3680,7 +3885,6 @@ 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 @@ -3700,34 +3904,27 @@ 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); @@ -3745,28 +3942,9 @@ 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); @@ -3865,7 +4043,7 @@ 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; @@ -3920,6 +4098,25 @@ static void e1000e_enable_receives(struct e1000_adapter *adapter) } } +static void e1000e_check_82574_phy_workaround(struct e1000_adapter *adapter) +{ + struct e1000_hw *hw = &adapter->hw; + + /* + * With 82574 controllers, PHY needs to be checked periodically + * for hung state and reset, if two calls return true + */ + if (e1000_check_phy_82574(hw)) + adapter->phy_hang_count++; + else + adapter->phy_hang_count = 0; + + if (adapter->phy_hang_count > 1) { + adapter->phy_hang_count = 0; + schedule_work(&adapter->reset_task); + } +} + /** * e1000_watchdog - Timer Call-back * @data: pointer to adapter cast into an unsigned long @@ -4138,6 +4335,16 @@ link_up: /* Force detection of hung controller every watchdog period */ adapter->detect_tx_hung = 1; + /* flush partial descriptors to memory before detecting tx hang */ + if (adapter->flags2 & FLAG2_DMA_BURST) { + ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD); + ew32(RDTR, adapter->rx_int_delay | E1000_RDTR_FPD); + /* + * no need to flush the writes because the timeout code does + * an er32 first thing + */ + } + /* * With 82571 controllers, LAA may be overwritten due to controller * reset from the other port. Set the appropriate LAA in RAR[0] @@ -4145,6 +4352,9 @@ link_up: if (e1000e_get_laa_state_82571(hw)) e1000e_rar_set(hw, adapter->hw.mac.addr, 0); + if (adapter->flags2 & FLAG2_CHECK_PHY_HANG) + e1000e_check_82574_phy_workaround(adapter); + /* Reset the timer */ if (!test_bit(__E1000_DOWN, &adapter->state)) mod_timer(&adapter->watchdog_timer, @@ -4612,7 +4822,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, if (e1000_maybe_stop_tx(netdev, count + 2)) return NETDEV_TX_BUSY; - if (adapter->vlgrp && vlan_tx_tag_present(skb)) { + if (vlan_tx_tag_present(skb)) { tx_flags |= E1000_TX_FLAGS_VLAN; tx_flags |= (vlan_tx_tag_get(skb) << E1000_TX_FLAGS_VLAN_SHIFT); } @@ -4672,8 +4882,11 @@ static void e1000_reset_task(struct work_struct *work) struct e1000_adapter *adapter; adapter = container_of(work, struct e1000_adapter, reset_task); - e1000e_dump(adapter); - e_err("Reset adapter\n"); + if (!((adapter->flags & FLAG_RX_NEEDS_RESTART) && + (adapter->flags & FLAG_RX_RESTART_NOW))) { + e1000e_dump(adapter); + e_err("Reset adapter\n"); + } e1000e_reinit_locked(adapter); } @@ -4716,6 +4929,15 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu) return -EINVAL; } + /* Jumbo frame workaround on 82579 requires CRC be stripped */ + if ((adapter->hw.mac.type == e1000_pch2lan) && + !(adapter->flags2 & FLAG2_CRC_STRIPPING) && + (new_mtu > ETH_DATA_LEN)) { + e_err("Jumbo Frames not supported on 82579 when CRC " + "stripping is disabled.\n"); + return -EINVAL; + } + /* 82573 Errata 17 */ if (((adapter->hw.mac.type == e1000_82573) || (adapter->hw.mac.type == e1000_82574)) && @@ -4841,14 +5063,7 @@ 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++) { @@ -5551,8 +5766,6 @@ 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)); @@ -5595,8 +5808,10 @@ static int __devinit e1000_probe(struct pci_dev *pdev, netdev->vlan_features |= NETIF_F_HW_CSUM; netdev->vlan_features |= NETIF_F_SG; - if (pci_using_dac) + if (pci_using_dac) { netdev->features |= NETIF_F_HIGHDMA; + netdev->vlan_features |= NETIF_F_HIGHDMA; + } if (e1000e_enable_mng_pass_thru(&adapter->hw)) adapter->flags |= FLAG_MNG_PT_ENABLED; @@ -5637,11 +5852,11 @@ static int __devinit e1000_probe(struct pci_dev *pdev, } init_timer(&adapter->watchdog_timer); - adapter->watchdog_timer.function = &e1000_watchdog; + adapter->watchdog_timer.function = e1000_watchdog; adapter->watchdog_timer.data = (unsigned long) adapter; init_timer(&adapter->phy_info_timer); - adapter->phy_info_timer.function = &e1000_update_phy_info; + adapter->phy_info_timer.function = e1000_update_phy_info; adapter->phy_info_timer.data = (unsigned long) adapter; INIT_WORK(&adapter->reset_task, e1000_reset_task); @@ -5721,11 +5936,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, e1000_print_device_info(adapter); - if (pci_dev_run_wake(pdev)) { - pm_runtime_set_active(&pdev->dev); - pm_runtime_enable(&pdev->dev); - } - pm_schedule_suspend(&pdev->dev, MSEC_PER_SEC); + if (pci_dev_run_wake(pdev)) + pm_runtime_put_noidle(&pdev->dev); return 0; @@ -5771,8 +5983,6 @@ static void __devexit e1000_remove(struct pci_dev *pdev) struct e1000_adapter *adapter = netdev_priv(netdev); bool down = test_bit(__E1000_DOWN, &adapter->state); - pm_runtime_get_sync(&pdev->dev); - /* * flush_scheduled work may reschedule our watchdog task, so * explicitly disable watchdog tasks from being rescheduled @@ -5797,11 +6007,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev) clear_bit(__E1000_DOWN, &adapter->state); unregister_netdev(netdev); - if (pci_dev_run_wake(pdev)) { - pm_runtime_disable(&pdev->dev); - pm_runtime_set_suspended(&pdev->dev); - } - pm_runtime_put_noidle(&pdev->dev); + if (pci_dev_run_wake(pdev)) + pm_runtime_get_noresume(&pdev->dev); /* * Release control of h/w to f/w. If f/w is AMT enabled, this @@ -5899,6 +6106,9 @@ 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); @@ -5935,7 +6145,7 @@ 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; |