diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_main.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_main.c | 86 |
1 files changed, 69 insertions, 17 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 7fc5f3b5d6bf..ab15f4d07e41 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -34,9 +34,9 @@ static int i40evf_close(struct net_device *netdev); char i40evf_driver_name[] = "i40evf"; static const char i40evf_driver_string[] = - "Intel(R) XL710 X710 Virtual Function Network Driver"; + "Intel(R) XL710/X710 Virtual Function Network Driver"; -#define DRV_VERSION "0.9.34" +#define DRV_VERSION "0.9.40" const char i40evf_driver_version[] = DRV_VERSION; static const char i40evf_copyright[] = "Copyright (c) 2013 - 2014 Intel Corporation."; @@ -260,6 +260,12 @@ static void i40evf_fire_sw_int(struct i40evf_adapter *adapter, int i; uint32_t dyn_ctl; + if (mask & 1) { + dyn_ctl = rd32(hw, I40E_VFINT_DYN_CTL01); + dyn_ctl |= I40E_VFINT_DYN_CTLN_SWINT_TRIG_MASK | + I40E_VFINT_DYN_CTLN_CLEARPBA_MASK; + wr32(hw, I40E_VFINT_DYN_CTL01, dyn_ctl); + } for (i = 1; i < adapter->num_msix_vectors; i++) { if (mask & (1 << i)) { dyn_ctl = rd32(hw, I40E_VFINT_DYN_CTLN1(i - 1)); @@ -278,6 +284,7 @@ void i40evf_irq_enable(struct i40evf_adapter *adapter, bool flush) { struct i40e_hw *hw = &adapter->hw; + i40evf_misc_irq_enable(adapter); i40evf_irq_enable_queues(adapter, ~0); if (flush) @@ -520,7 +527,8 @@ static int i40evf_request_misc_irq(struct i40evf_adapter *adapter) struct net_device *netdev = adapter->netdev; int err; - sprintf(adapter->misc_vector_name, "i40evf:mbx"); + snprintf(adapter->misc_vector_name, + sizeof(adapter->misc_vector_name) - 1, "i40evf:mbx"); err = request_irq(adapter->msix_entries[0].vector, &i40evf_msix_aq, 0, adapter->misc_vector_name, netdev); @@ -761,7 +769,7 @@ i40evf_mac_filter *i40evf_add_filter(struct i40evf_adapter *adapter, while (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section)) - mdelay(1); + udelay(1); f = i40evf_find_filter(adapter, macaddr); if (NULL == f) { @@ -833,7 +841,7 @@ static void i40evf_set_rx_mode(struct net_device *netdev) while (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section)) - mdelay(1); + udelay(1); /* remove filter if not in netdev list */ list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) { bool found = false; @@ -1290,12 +1298,16 @@ static void i40evf_watchdog_task(struct work_struct *work) struct i40evf_adapter, watchdog_task); struct i40e_hw *hw = &adapter->hw; + uint32_t rstat_val; if (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section)) goto restart_watchdog; if (adapter->flags & I40EVF_FLAG_PF_COMMS_FAILED) { - if ((rd32(hw, I40E_VFGEN_RSTAT) & 0x3) == I40E_VFR_VFACTIVE) { + rstat_val = rd32(hw, I40E_VFGEN_RSTAT) & + I40E_VFGEN_RSTAT_VFR_STATE_MASK; + if ((rstat_val == I40E_VFR_VFACTIVE) || + (rstat_val == I40E_VFR_COMPLETED)) { /* A chance for redemption! */ dev_err(&adapter->pdev->dev, "Hardware came out of reset. Attempting reinit.\n"); adapter->state = __I40EVF_STARTUP; @@ -1321,8 +1333,11 @@ static void i40evf_watchdog_task(struct work_struct *work) goto watchdog_done; /* check for reset */ + rstat_val = rd32(hw, I40E_VFGEN_RSTAT) & + I40E_VFGEN_RSTAT_VFR_STATE_MASK; if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING) && - (rd32(hw, I40E_VFGEN_RSTAT) & 0x3) != I40E_VFR_VFACTIVE) { + (rstat_val != I40E_VFR_VFACTIVE) && + (rstat_val != I40E_VFR_COMPLETED)) { adapter->state = __I40EVF_RESETTING; adapter->flags |= I40EVF_FLAG_RESET_PENDING; dev_err(&adapter->pdev->dev, "Hardware reset detected\n"); @@ -1388,6 +1403,8 @@ static void i40evf_watchdog_task(struct work_struct *work) watchdog_done: clear_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section); restart_watchdog: + if (adapter->state == __I40EVF_REMOVE) + return; if (adapter->aq_required) mod_timer(&adapter->watchdog_timer, jiffies + msecs_to_jiffies(20)); @@ -1488,7 +1505,8 @@ 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) + if ((rstat_val != I40E_VFR_VFACTIVE) && + (rstat_val != I40E_VFR_COMPLETED)) break; else msleep(I40EVF_RESET_WAIT_MS); @@ -1502,12 +1520,16 @@ 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) + if ((rstat_val == I40E_VFR_VFACTIVE) || + (rstat_val == I40E_VFR_COMPLETED)) break; else msleep(I40EVF_RESET_WAIT_MS); } if (i == I40EVF_RESET_WAIT_COUNT) { + struct i40evf_mac_filter *f, *ftmp; + struct i40evf_vlan_filter *fv, *fvtmp; + /* reset never finished */ dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n", rstat_val); @@ -1520,9 +1542,23 @@ static void i40evf_reset_task(struct work_struct *work) i40evf_free_all_tx_resources(adapter); i40evf_free_all_rx_resources(adapter); } + + /* Delete all of the filters, both MAC and VLAN. */ + list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, + list) { + list_del(&f->list); + kfree(f); + } + list_for_each_entry_safe(fv, fvtmp, &adapter->vlan_filter_list, + list) { + list_del(&fv->list); + kfree(fv); + } + i40evf_free_misc_irq(adapter); i40evf_reset_interrupt_capability(adapter); i40evf_free_queues(adapter); + i40evf_free_q_vectors(adapter); kfree(adapter->vf_res); i40evf_shutdown_adminq(hw); adapter->netdev->flags &= ~IFF_UP; @@ -1939,8 +1975,10 @@ static int i40evf_check_reset_complete(struct i40e_hw *hw) int i; for (i = 0; i < 100; i++) { - rstat = rd32(hw, I40E_VFGEN_RSTAT); - if (rstat == I40E_VFR_VFACTIVE) + rstat = rd32(hw, I40E_VFGEN_RSTAT) & + I40E_VFGEN_RSTAT_VFR_STATE_MASK; + if ((rstat == I40E_VFR_VFACTIVE) || + (rstat == I40E_VFR_COMPLETED)) return 0; udelay(10); } @@ -2006,7 +2044,6 @@ static void i40evf_init_task(struct work_struct *work) } adapter->state = __I40EVF_INIT_VERSION_CHECK; goto restart; - break; case __I40EVF_INIT_VERSION_CHECK: if (!i40evf_asq_done(hw)) { dev_err(&pdev->dev, "Admin queue command never completed\n"); @@ -2018,17 +2055,20 @@ static void i40evf_init_task(struct work_struct *work) if (err) { dev_info(&pdev->dev, "Unable to verify API version (%d), retrying\n", err); + if (err == I40E_ERR_ADMIN_QUEUE_NO_WORK) { + dev_info(&pdev->dev, "Resending request\n"); + err = i40evf_send_api_ver(adapter); + } goto err; } err = i40evf_send_vf_config_msg(adapter); if (err) { - dev_err(&pdev->dev, "Unable send config request (%d)\n", + dev_err(&pdev->dev, "Unable to send config request (%d)\n", err); goto err; } adapter->state = __I40EVF_INIT_GET_RESOURCES; goto restart; - break; case __I40EVF_INIT_GET_RESOURCES: /* aq msg sent, awaiting reply */ if (!adapter->vf_res) { @@ -2097,8 +2137,6 @@ static void i40evf_init_task(struct work_struct *work) ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr); ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr); - INIT_LIST_HEAD(&adapter->mac_filter_list); - INIT_LIST_HEAD(&adapter->vlan_filter_list); f = kzalloc(sizeof(*f), GFP_ATOMIC); if (NULL == f) goto err_sw_init; @@ -2280,6 +2318,9 @@ static int i40evf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->bus.device = PCI_SLOT(pdev->devfn); hw->bus.func = PCI_FUNC(pdev->devfn); + INIT_LIST_HEAD(&adapter->mac_filter_list); + INIT_LIST_HEAD(&adapter->vlan_filter_list); + INIT_WORK(&adapter->reset_task, i40evf_reset_task); INIT_WORK(&adapter->adminq_task, i40evf_adminq_task); INIT_WORK(&adapter->watchdog_task, i40evf_watchdog_task); @@ -2391,6 +2432,7 @@ static void i40evf_remove(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct i40evf_adapter *adapter = netdev_priv(netdev); + struct i40evf_mac_filter *f, *ftmp; struct i40e_hw *hw = &adapter->hw; cancel_delayed_work_sync(&adapter->init_task); @@ -2406,9 +2448,12 @@ static void i40evf_remove(struct pci_dev *pdev) i40evf_misc_irq_disable(adapter); i40evf_free_misc_irq(adapter); i40evf_reset_interrupt_capability(adapter); + i40evf_free_q_vectors(adapter); } - del_timer_sync(&adapter->watchdog_timer); + if (adapter->watchdog_timer.function) + del_timer_sync(&adapter->watchdog_timer); + flush_scheduled_work(); if (hw->aq.asq.count) @@ -2419,6 +2464,13 @@ static void i40evf_remove(struct pci_dev *pdev) i40evf_free_queues(adapter); kfree(adapter->vf_res); + /* If we got removed before an up/down sequence, we've got a filter + * hanging out there that we need to get rid of. + */ + list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) { + list_del(&f->list); + kfree(f); + } free_netdev(netdev); |