diff options
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/ich8lan.c | 126 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/netdev.c | 38 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40e_txrx.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_main.c | 110 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_82575.c | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/e1000_defines.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 2 |
9 files changed, 198 insertions, 104 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index b074b9a667b3..91a5a0ae9cd7 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -237,17 +237,19 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw) if (ret_val) return false; out: - if ((hw->mac.type == e1000_pch_lpt) || - (hw->mac.type == e1000_pch_spt)) { - /* Unforce SMBus mode in PHY */ - e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg); - phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; - e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg); + if ((hw->mac.type == e1000_pch_lpt) || (hw->mac.type == e1000_pch_spt)) { + /* Only unforce SMBus if ME is not active */ + if (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) { + /* Unforce SMBus mode in PHY */ + e1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg); + phy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS; + e1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg); - /* Unforce SMBus mode in MAC */ - mac_reg = er32(CTRL_EXT); - mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; - ew32(CTRL_EXT, mac_reg); + /* Unforce SMBus mode in MAC */ + mac_reg = er32(CTRL_EXT); + mac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS; + ew32(CTRL_EXT, mac_reg); + } } return true; @@ -1087,6 +1089,7 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) u32 mac_reg; s32 ret_val = 0; u16 phy_reg; + u16 oem_reg = 0; if ((hw->mac.type < e1000_pch_lpt) || (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPT_I217_LM) || @@ -1128,33 +1131,37 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) if (ret_val) goto out; + /* Force SMBus mode in PHY */ + ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); + if (ret_val) + goto release; + phy_reg |= CV_SMB_CTRL_FORCE_SMBUS; + e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); + + /* Force SMBus mode in MAC */ + mac_reg = er32(CTRL_EXT); + mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; + ew32(CTRL_EXT, mac_reg); + /* Si workaround for ULP entry flow on i127/rev6 h/w. Enable * LPLU and disable Gig speed when entering ULP */ if ((hw->phy.type == e1000_phy_i217) && (hw->phy.revision == 6)) { ret_val = e1000_read_phy_reg_hv_locked(hw, HV_OEM_BITS, - &phy_reg); + &oem_reg); if (ret_val) goto release; + + phy_reg = oem_reg; phy_reg |= HV_OEM_BITS_LPLU | HV_OEM_BITS_GBE_DIS; + ret_val = e1000_write_phy_reg_hv_locked(hw, HV_OEM_BITS, phy_reg); + if (ret_val) goto release; } - /* Force SMBus mode in PHY */ - ret_val = e1000_read_phy_reg_hv_locked(hw, CV_SMB_CTRL, &phy_reg); - if (ret_val) - goto release; - phy_reg |= CV_SMB_CTRL_FORCE_SMBUS; - e1000_write_phy_reg_hv_locked(hw, CV_SMB_CTRL, phy_reg); - - /* Force SMBus mode in MAC */ - mac_reg = er32(CTRL_EXT); - mac_reg |= E1000_CTRL_EXT_FORCE_SMBUS; - ew32(CTRL_EXT, mac_reg); - /* Set Inband ULP Exit, Reset to SMBus mode and * Disable SMBus Release on PERST# in PHY */ @@ -1166,10 +1173,15 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) if (to_sx) { if (er32(WUFC) & E1000_WUFC_LNKC) phy_reg |= I218_ULP_CONFIG1_WOL_HOST; + else + phy_reg &= ~I218_ULP_CONFIG1_WOL_HOST; phy_reg |= I218_ULP_CONFIG1_STICKY_ULP; + phy_reg &= ~I218_ULP_CONFIG1_INBAND_EXIT; } else { phy_reg |= I218_ULP_CONFIG1_INBAND_EXIT; + phy_reg &= ~I218_ULP_CONFIG1_STICKY_ULP; + phy_reg &= ~I218_ULP_CONFIG1_WOL_HOST; } e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg); @@ -1181,6 +1193,15 @@ s32 e1000_enable_ulp_lpt_lp(struct e1000_hw *hw, bool to_sx) /* Commit ULP changes in PHY by starting auto ULP configuration */ phy_reg |= I218_ULP_CONFIG1_START; e1000_write_phy_reg_hv_locked(hw, I218_ULP_CONFIG1, phy_reg); + + if ((hw->phy.type == e1000_phy_i217) && (hw->phy.revision == 6) && + to_sx && (er32(STATUS) & E1000_STATUS_LU)) { + ret_val = e1000_write_phy_reg_hv_locked(hw, HV_OEM_BITS, + oem_reg); + if (ret_val) + goto release; + } + release: hw->phy.ops.release(hw); out: @@ -1379,16 +1400,20 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (((hw->mac.type == e1000_pch2lan) || (hw->mac.type == e1000_pch_lpt) || (hw->mac.type == e1000_pch_spt)) && link) { - u32 reg; + u16 speed, duplex; - reg = er32(STATUS); + e1000e_get_speed_and_duplex_copper(hw, &speed, &duplex); tipg_reg = er32(TIPG); tipg_reg &= ~E1000_TIPG_IPGT_MASK; - if (!(reg & (E1000_STATUS_FD | E1000_STATUS_SPEED_MASK))) { + if (duplex == HALF_DUPLEX && speed == SPEED_10) { tipg_reg |= 0xFF; /* Reduce Rx latency in analog PHY */ emi_val = 0; + } else if (hw->mac.type == e1000_pch_spt && + duplex == FULL_DUPLEX && speed != SPEED_1000) { + tipg_reg |= 0xC; + emi_val = 1; } else { /* Roll back the default values */ @@ -1412,14 +1437,59 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw) if (ret_val) return ret_val; + + if (hw->mac.type == e1000_pch_spt) { + u16 data; + u16 ptr_gap; + + if (speed == SPEED_1000) { + ret_val = hw->phy.ops.acquire(hw); + if (ret_val) + return ret_val; + + ret_val = e1e_rphy_locked(hw, + PHY_REG(776, 20), + &data); + if (ret_val) { + hw->phy.ops.release(hw); + return ret_val; + } + + ptr_gap = (data & (0x3FF << 2)) >> 2; + if (ptr_gap < 0x18) { + data &= ~(0x3FF << 2); + data |= (0x18 << 2); + ret_val = + e1e_wphy_locked(hw, + PHY_REG(776, 20), + data); + } + hw->phy.ops.release(hw); + if (ret_val) + return ret_val; + } + } + } + + /* I217 Packet Loss issue: + * ensure that FEXTNVM4 Beacon Duration is set correctly + * on power up. + * Set the Beacon Duration for I217 to 8 usec + */ + if ((hw->mac.type == e1000_pch_lpt) || (hw->mac.type == e1000_pch_spt)) { + u32 mac_reg; + + mac_reg = er32(FEXTNVM4); + mac_reg &= ~E1000_FEXTNVM4_BEACON_DURATION_MASK; + mac_reg |= E1000_FEXTNVM4_BEACON_DURATION_8USEC; + ew32(FEXTNVM4, mac_reg); } /* Work-around I218 hang issue */ if ((hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_LM) || (hw->adapter->pdev->device == E1000_DEV_ID_PCH_LPTLP_I218_V) || (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_LM3) || - (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3) || - (hw->mac.type == e1000_pch_spt)) { + (hw->adapter->pdev->device == E1000_DEV_ID_PCH_I218_V3)) { ret_val = e1000_k1_workaround_lpt_lp(hw, link); if (ret_val) return ret_val; diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index e62b9dcb91fe..89d788d8f263 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6354,13 +6354,14 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime) } /** - * e1000e_disable_aspm - Disable ASPM states + * __e1000e_disable_aspm - Disable ASPM states * @pdev: pointer to PCI device struct * @state: bit-mask of ASPM states to disable + * @locked: indication if this context holds pci_bus_sem locked. * * Some devices *must* have certain ASPM states disabled per hardware errata. **/ -static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state) +static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state, int locked) { struct pci_dev *parent = pdev->bus->self; u16 aspm_dis_mask = 0; @@ -6399,7 +6400,10 @@ static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state) "L1" : ""); #ifdef CONFIG_PCIEASPM - pci_disable_link_state_locked(pdev, state); + if (locked) + pci_disable_link_state_locked(pdev, state); + else + pci_disable_link_state(pdev, state); /* Double-check ASPM control. If not disabled by the above, the * BIOS is preventing that from happening (or CONFIG_PCIEASPM is @@ -6422,6 +6426,32 @@ static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state) aspm_dis_mask); } +/** + * e1000e_disable_aspm - Disable ASPM states. + * @pdev: pointer to PCI device struct + * @state: bit-mask of ASPM states to disable + * + * This function acquires the pci_bus_sem! + * Some devices *must* have certain ASPM states disabled per hardware errata. + **/ +static void e1000e_disable_aspm(struct pci_dev *pdev, u16 state) +{ + __e1000e_disable_aspm(pdev, state, 0); +} + +/** + * e1000e_disable_aspm_locked Disable ASPM states. + * @pdev: pointer to PCI device struct + * @state: bit-mask of ASPM states to disable + * + * This function must be called with pci_bus_sem acquired! + * Some devices *must* have certain ASPM states disabled per hardware errata. + **/ +static void e1000e_disable_aspm_locked(struct pci_dev *pdev, u16 state) +{ + __e1000e_disable_aspm(pdev, state, 1); +} + #ifdef CONFIG_PM static int __e1000_resume(struct pci_dev *pdev) { @@ -6435,7 +6465,7 @@ static int __e1000_resume(struct pci_dev *pdev) if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1) aspm_disable_flag |= PCIE_LINK_STATE_L1; if (aspm_disable_flag) - e1000e_disable_aspm(pdev, aspm_disable_flag); + e1000e_disable_aspm_locked(pdev, aspm_disable_flag); pci_set_master(pdev); diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index f54996f19629..395f32f226c0 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -484,6 +484,8 @@ int i40evf_setup_tx_descriptors(struct i40e_ring *tx_ring) if (!dev) return -ENOMEM; + /* warn if we are about to overwrite the pointer */ + WARN_ON(tx_ring->tx_bi); bi_size = sizeof(struct i40e_tx_buffer) * tx_ring->count; tx_ring->tx_bi = kzalloc(bi_size, GFP_KERNEL); if (!tx_ring->tx_bi) @@ -644,6 +646,8 @@ int i40evf_setup_rx_descriptors(struct i40e_ring *rx_ring) struct device *dev = rx_ring->dev; int bi_size; + /* warn if we are about to overwrite the pointer */ + WARN_ON(rx_ring->rx_bi); bi_size = sizeof(struct i40e_rx_buffer) * rx_ring->count; rx_ring->rx_bi = kzalloc(bi_size, GFP_KERNEL); if (!rx_ring->rx_bi) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h index 1b98c25b3092..fea3b75a9a35 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf.h @@ -264,7 +264,6 @@ extern const char i40evf_driver_version[]; int i40evf_up(struct i40evf_adapter *adapter); void i40evf_down(struct i40evf_adapter *adapter); -void i40evf_reinit_locked(struct i40evf_adapter *adapter); void i40evf_reset(struct i40evf_adapter *adapter); void i40evf_set_ethtool_ops(struct net_device *netdev); void i40evf_update_stats(struct i40evf_adapter *adapter); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c index f4e77665bc54..2b53c870e7f1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_ethtool.c @@ -267,8 +267,10 @@ static int i40evf_set_ringparam(struct net_device *netdev, adapter->tx_desc_count = new_tx_count; adapter->rx_desc_count = new_rx_count; - if (netif_running(netdev)) - i40evf_reinit_locked(adapter); + if (netif_running(netdev)) { + adapter->flags |= I40EVF_FLAG_RESET_NEEDED; + schedule_work(&adapter->reset_task); + } return 0; } diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 7c53aca4b5a6..4ab4ebba07a1 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -170,7 +170,8 @@ static void i40evf_tx_timeout(struct net_device *netdev) struct i40evf_adapter *adapter = netdev_priv(netdev); adapter->tx_timeout_count++; - if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING)) { + if (!(adapter->flags & (I40EVF_FLAG_RESET_PENDING | + I40EVF_FLAG_RESET_NEEDED))) { adapter->flags |= I40EVF_FLAG_RESET_NEEDED; schedule_work(&adapter->reset_task); } @@ -1460,7 +1461,7 @@ static void i40evf_configure_rss(struct i40evf_adapter *adapter) for (i = 0; i <= I40E_VFQF_HLUT_MAX_INDEX; i++) { lut = 0; for (j = 0; j < 4; j++) { - if (cqueue == adapter->vsi_res->num_queue_pairs) + if (cqueue == adapter->num_active_queues) cqueue = 0; lut |= ((cqueue) << (8 * j)); cqueue++; @@ -1470,8 +1471,8 @@ static void i40evf_configure_rss(struct i40evf_adapter *adapter) i40e_flush(hw); } -#define I40EVF_RESET_WAIT_MS 100 -#define I40EVF_RESET_WAIT_COUNT 200 +#define I40EVF_RESET_WAIT_MS 10 +#define I40EVF_RESET_WAIT_COUNT 500 /** * i40evf_reset_task - Call-back task to handle hardware reset * @work: pointer to work_struct @@ -1495,10 +1496,17 @@ static void i40evf_reset_task(struct work_struct *work) &adapter->crit_section)) usleep_range(500, 1000); + i40evf_misc_irq_disable(adapter); if (adapter->flags & I40EVF_FLAG_RESET_NEEDED) { - dev_info(&adapter->pdev->dev, "Requesting reset from PF\n"); + adapter->flags &= ~I40EVF_FLAG_RESET_NEEDED; + /* Restart the AQ here. If we have been reset but didn't + * detect it, or if the PF had to reinit, our AQ will be hosed. + */ + i40evf_shutdown_adminq(hw); + i40evf_init_adminq(hw); i40evf_request_reset(adapter); } + adapter->flags |= I40EVF_FLAG_RESET_PENDING; /* poll until we see the reset actually happen */ for (i = 0; i < I40EVF_RESET_WAIT_COUNT; i++) { @@ -1507,10 +1515,10 @@ static void i40evf_reset_task(struct work_struct *work) if ((rstat_val != I40E_VFR_VFACTIVE) && (rstat_val != I40E_VFR_COMPLETED)) break; - msleep(I40EVF_RESET_WAIT_MS); + usleep_range(500, 1000); } if (i == I40EVF_RESET_WAIT_COUNT) { - adapter->flags &= ~I40EVF_FLAG_RESET_PENDING; + dev_info(&adapter->pdev->dev, "Never saw reset\n"); goto continue_reset; /* act like the reset happened */ } @@ -1518,11 +1526,12 @@ static void i40evf_reset_task(struct work_struct *work) for (i = 0; i < I40EVF_RESET_WAIT_COUNT; i++) { rstat_val = rd32(hw, I40E_VFGEN_RSTAT) & I40E_VFGEN_RSTAT_VFR_STATE_MASK; - if ((rstat_val == I40E_VFR_VFACTIVE) || - (rstat_val == I40E_VFR_COMPLETED)) + if (rstat_val == I40E_VFR_VFACTIVE) break; msleep(I40EVF_RESET_WAIT_MS); } + /* extra wait to make sure minimum wait is met */ + msleep(I40EVF_RESET_WAIT_MS); if (i == I40EVF_RESET_WAIT_COUNT) { struct i40evf_mac_filter *f, *ftmp; struct i40evf_vlan_filter *fv, *fvtmp; @@ -1534,11 +1543,10 @@ static void i40evf_reset_task(struct work_struct *work) if (netif_running(adapter->netdev)) { set_bit(__I40E_DOWN, &adapter->vsi.state); - i40evf_irq_disable(adapter); - i40evf_napi_disable_all(adapter); - netif_tx_disable(netdev); - netif_tx_stop_all_queues(netdev); netif_carrier_off(netdev); + netif_tx_disable(netdev); + i40evf_napi_disable_all(adapter); + i40evf_irq_disable(adapter); i40evf_free_traffic_irqs(adapter); i40evf_free_all_tx_resources(adapter); i40evf_free_all_rx_resources(adapter); @@ -1550,6 +1558,7 @@ static void i40evf_reset_task(struct work_struct *work) list_del(&f->list); kfree(f); } + list_for_each_entry_safe(fv, fvtmp, &adapter->vlan_filter_list, list) { list_del(&fv->list); @@ -1564,22 +1573,27 @@ static void i40evf_reset_task(struct work_struct *work) i40evf_shutdown_adminq(hw); adapter->netdev->flags &= ~IFF_UP; clear_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section); + adapter->flags &= ~I40EVF_FLAG_RESET_PENDING; + dev_info(&adapter->pdev->dev, "Reset task did not complete, VF disabled\n"); return; /* Do not attempt to reinit. It's dead, Jim. */ } continue_reset: - adapter->flags &= ~I40EVF_FLAG_RESET_PENDING; - - i40evf_irq_disable(adapter); - if (netif_running(adapter->netdev)) { - i40evf_napi_disable_all(adapter); - netif_tx_disable(netdev); - netif_tx_stop_all_queues(netdev); netif_carrier_off(netdev); + netif_tx_stop_all_queues(netdev); + i40evf_napi_disable_all(adapter); } + i40evf_irq_disable(adapter); adapter->state = __I40EVF_RESETTING; + adapter->flags &= ~I40EVF_FLAG_RESET_PENDING; + + /* free the Tx/Rx rings and descriptors, might be better to just + * re-use them sometime in the future + */ + i40evf_free_all_rx_resources(adapter); + i40evf_free_all_tx_resources(adapter); /* kill and reinit the admin queue */ if (i40evf_shutdown_adminq(hw)) @@ -1603,6 +1617,7 @@ continue_reset: adapter->aq_required = I40EVF_FLAG_AQ_ADD_MAC_FILTER; adapter->aq_required |= I40EVF_FLAG_AQ_ADD_VLAN_FILTER; clear_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section); + i40evf_misc_irq_enable(adapter); mod_timer(&adapter->watchdog_timer, jiffies + 2); @@ -1624,7 +1639,10 @@ continue_reset: goto reset_err; i40evf_irq_enable(adapter, true); + } else { + adapter->state = __I40EVF_DOWN; } + return; reset_err: dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n"); @@ -1667,6 +1685,11 @@ static void i40evf_adminq_task(struct work_struct *work) memset(event.msg_buf, 0, I40EVF_MAX_AQ_BUF_SIZE); } while (pending); + if ((adapter->flags & + (I40EVF_FLAG_RESET_PENDING | I40EVF_FLAG_RESET_NEEDED)) || + adapter->state == __I40EVF_RESETTING) + goto freedom; + /* check for error indications */ val = rd32(hw, hw->aq.arq.len); oldval = val; @@ -1702,6 +1725,7 @@ static void i40evf_adminq_task(struct work_struct *work) if (oldval != val) wr32(hw, hw->aq.asq.len, val); +freedom: kfree(event.msg_buf); out: /* re-enable Admin queue interrupt cause */ @@ -1897,47 +1921,6 @@ static struct net_device_stats *i40evf_get_stats(struct net_device *netdev) } /** - * i40evf_reinit_locked - Software reinit - * @adapter: board private structure - * - * Reinititalizes the ring structures in response to a software configuration - * change. Roughly the same as close followed by open, but skips releasing - * and reallocating the interrupts. - **/ -void i40evf_reinit_locked(struct i40evf_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err; - - WARN_ON(in_interrupt()); - - i40evf_down(adapter); - - /* allocate transmit descriptors */ - err = i40evf_setup_all_tx_resources(adapter); - if (err) - goto err_reinit; - - /* allocate receive descriptors */ - err = i40evf_setup_all_rx_resources(adapter); - if (err) - goto err_reinit; - - i40evf_configure(adapter); - - err = i40evf_up_complete(adapter); - if (err) - goto err_reinit; - - i40evf_irq_enable(adapter, true); - return; - -err_reinit: - dev_err(&adapter->pdev->dev, "failed to allocate resources during reinit\n"); - i40evf_close(netdev); -} - -/** * i40evf_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -1952,9 +1935,10 @@ static int i40evf_change_mtu(struct net_device *netdev, int new_mtu) if ((new_mtu < 68) || (max_frame > I40E_MAX_RXBUFFER)) return -EINVAL; - /* must set new MTU before calling down or up */ netdev->mtu = new_mtu; - i40evf_reinit_locked(adapter); + adapter->flags |= I40EVF_FLAG_RESET_NEEDED; + schedule_work(&adapter->reset_task); + return 0; } diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c index 0f69ef81751a..b0182dd31346 100644 --- a/drivers/net/ethernet/intel/igb/e1000_82575.c +++ b/drivers/net/ethernet/intel/igb/e1000_82575.c @@ -1,5 +1,5 @@ /* Intel(R) Gigabit Ethernet Linux driver - * Copyright(c) 2007-2014 Intel Corporation. + * Copyright(c) 2007-2015 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, @@ -1900,8 +1900,8 @@ static void igb_clear_hw_cntrs_82575(struct e1000_hw *hw) * igb_rx_fifo_flush_82575 - Clean rx fifo after RX enable * @hw: pointer to the HW structure * - * After rx enable if managability is enabled then there is likely some - * bad data at the start of the fifo and possibly in the DMA fifo. This + * After rx enable if manageability is enabled then there is likely some + * bad data at the start of the fifo and possibly in the DMA fifo. This * function clears the fifos and flushes any packets that came in as rx was * being enabled. **/ @@ -1910,6 +1910,11 @@ void igb_rx_fifo_flush_82575(struct e1000_hw *hw) u32 rctl, rlpml, rxdctl[4], rfctl, temp_rctl, rx_enabled; int i, ms_wait; + /* disable IPv6 options as per hardware errata */ + rfctl = rd32(E1000_RFCTL); + rfctl |= E1000_RFCTL_IPV6_EX_DIS; + wr32(E1000_RFCTL, rfctl); + if (hw->mac.type != e1000_82575 || !(rd32(E1000_MANC) & E1000_MANC_RCV_TCO_EN)) return; @@ -1937,7 +1942,6 @@ void igb_rx_fifo_flush_82575(struct e1000_hw *hw) * incoming packets are rejected. Set enable and wait 2ms so that * any packet that was coming in as RCTL.EN was set is flushed */ - rfctl = rd32(E1000_RFCTL); wr32(E1000_RFCTL, rfctl & ~E1000_RFCTL_LEF); rlpml = rd32(E1000_RLPML); diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h index 217f8138851b..f8684aa285be 100644 --- a/drivers/net/ethernet/intel/igb/e1000_defines.h +++ b/drivers/net/ethernet/intel/igb/e1000_defines.h @@ -344,7 +344,8 @@ #define E1000_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */ /* Header split receive */ -#define E1000_RFCTL_LEF 0x00040000 +#define E1000_RFCTL_IPV6_EX_DIS 0x00010000 +#define E1000_RFCTL_LEF 0x00040000 /* Collision related configuration parameters */ #define E1000_COLLISION_THRESHOLD 15 diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index f287186192bb..2f70a9b152bd 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -58,7 +58,7 @@ #define MAJ 5 #define MIN 2 -#define BUILD 15 +#define BUILD 18 #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \ __stringify(BUILD) "-k" char igb_driver_name[] = "igb"; |