diff options
Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_main.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40evf/i40evf_main.c | 162 |
1 files changed, 103 insertions, 59 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 76df6b2..4c4340c 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -34,7 +34,7 @@ char i40evf_driver_name[] = "i40evf"; static const char i40evf_driver_string[] = "Intel(R) XL710/X710 Virtual Function Network Driver"; -#define DRV_VERSION "1.3.13" +#define DRV_VERSION "1.3.21" const char i40evf_driver_version[] = DRV_VERSION; static const char i40evf_copyright[] = "Copyright (c) 2013 - 2015 Intel Corporation."; @@ -444,6 +444,29 @@ out: return err; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/** + * i40evf_netpoll - A Polling 'interrupt' handler + * @netdev: network interface device structure + * + * This is used by netconsole to send skbs without having to re-enable + * interrupts. It's not called while the normal interrupt routine is executing. + **/ +static void i40evf_netpoll(struct net_device *netdev) +{ + struct i40evf_adapter *adapter = netdev_priv(netdev); + int q_vectors = adapter->num_msix_vectors - NONQ_VECS; + int i; + + /* if interface is down do nothing */ + if (test_bit(__I40E_DOWN, &adapter->vsi.state)) + return; + + for (i = 0; i < q_vectors; i++) + i40evf_msix_clean_rings(0, adapter->q_vector[i]); +} + +#endif /** * i40evf_request_traffic_irqs - Initialize MSI-X interrupts * @adapter: board private structure @@ -489,8 +512,7 @@ i40evf_request_traffic_irqs(struct i40evf_adapter *adapter, char *basename) q_vector); if (err) { dev_info(&adapter->pdev->dev, - "%s: request_irq failed, error: %d\n", - __func__, err); + "Request_irq failed, error: %d\n", err); goto free_queue_irqs; } /* assign the mask for this irq */ @@ -731,6 +753,8 @@ static int i40evf_vlan_rx_add_vid(struct net_device *netdev, { struct i40evf_adapter *adapter = netdev_priv(netdev); + if (!VLAN_ALLOWED(adapter)) + return -EIO; if (i40evf_add_vlan(adapter, vid) == NULL) return -ENOMEM; return 0; @@ -746,8 +770,11 @@ static int i40evf_vlan_rx_kill_vid(struct net_device *netdev, { struct i40evf_adapter *adapter = netdev_priv(netdev); - i40evf_del_vlan(adapter, vid); - return 0; + if (VLAN_ALLOWED(adapter)) { + i40evf_del_vlan(adapter, vid); + return 0; + } + return -EIO; } /** @@ -837,6 +864,15 @@ static int i40evf_set_mac(struct net_device *netdev, void *p) if (ether_addr_equal(netdev->dev_addr, addr->sa_data)) return 0; + if (adapter->flags & I40EVF_FLAG_ADDR_SET_BY_PF) + return -EPERM; + + f = i40evf_find_filter(adapter, hw->mac.addr); + if (f) { + f->remove = true; + adapter->aq_required |= I40EVF_FLAG_AQ_DEL_MAC_FILTER; + } + f = i40evf_add_filter(adapter, addr->sa_data); if (f) { ether_addr_copy(hw->mac.addr, addr->sa_data); @@ -856,6 +892,7 @@ static void i40evf_set_rx_mode(struct net_device *netdev) struct i40evf_mac_filter *f, *ftmp; struct netdev_hw_addr *uca; struct netdev_hw_addr *mca; + struct netdev_hw_addr *ha; int count = 50; /* add addr if not already in the filter list */ @@ -877,29 +914,27 @@ static void i40evf_set_rx_mode(struct net_device *netdev) } /* remove filter if not in netdev list */ list_for_each_entry_safe(f, ftmp, &adapter->mac_filter_list, list) { - bool found = false; - - if (is_multicast_ether_addr(f->macaddr)) { - netdev_for_each_mc_addr(mca, netdev) { - if (ether_addr_equal(mca->addr, f->macaddr)) { - found = true; - break; - } - } - } else { - netdev_for_each_uc_addr(uca, netdev) { - if (ether_addr_equal(uca->addr, f->macaddr)) { - found = true; - break; - } - } - if (ether_addr_equal(f->macaddr, adapter->hw.mac.addr)) - found = true; - } - if (!found) { - f->remove = true; - adapter->aq_required |= I40EVF_FLAG_AQ_DEL_MAC_FILTER; - } + netdev_for_each_mc_addr(mca, netdev) + if (ether_addr_equal(mca->addr, f->macaddr)) + goto bottom_of_search_loop; + + netdev_for_each_uc_addr(uca, netdev) + if (ether_addr_equal(uca->addr, f->macaddr)) + goto bottom_of_search_loop; + + for_each_dev_addr(netdev, ha) + if (ether_addr_equal(ha->addr, f->macaddr)) + goto bottom_of_search_loop; + + if (ether_addr_equal(f->macaddr, adapter->hw.mac.addr)) + goto bottom_of_search_loop; + + /* f->macaddr wasn't found in uc, mc, or ha list so delete it */ + f->remove = true; + adapter->aq_required |= I40EVF_FLAG_AQ_DEL_MAC_FILTER; + +bottom_of_search_loop: + continue; } clear_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section); } @@ -1111,6 +1146,8 @@ static int i40evf_alloc_queues(struct i40evf_adapter *adapter) tx_ring->netdev = adapter->netdev; tx_ring->dev = &adapter->pdev->dev; tx_ring->count = adapter->tx_desc_count; + if (adapter->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) + tx_ring->flags |= I40E_TXR_FLAGS_WB_ON_ITR; adapter->tx_rings[i] = tx_ring; rx_ring = &tx_ring[1]; @@ -1165,7 +1202,7 @@ static int i40evf_set_interrupt_capability(struct i40evf_adapter *adapter) for (vector = 0; vector < v_budget; vector++) adapter->msix_entries[vector].entry = vector; - i40evf_acquire_msix_vectors(adapter, v_budget); + err = i40evf_acquire_msix_vectors(adapter, v_budget); out: adapter->netdev->real_num_tx_queues = pairs; @@ -1421,16 +1458,16 @@ static void i40evf_watchdog_task(struct work_struct *work) struct i40evf_adapter, watchdog_task); struct i40e_hw *hw = &adapter->hw; - uint32_t rstat_val; + u32 reg_val; if (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK, &adapter->crit_section)) goto restart_watchdog; if (adapter->flags & I40EVF_FLAG_PF_COMMS_FAILED) { - rstat_val = rd32(hw, I40E_VFGEN_RSTAT) & - I40E_VFGEN_RSTAT_VFR_STATE_MASK; - if ((rstat_val == I40E_VFR_VFACTIVE) || - (rstat_val == I40E_VFR_COMPLETED)) { + reg_val = rd32(hw, I40E_VFGEN_RSTAT) & + I40E_VFGEN_RSTAT_VFR_STATE_MASK; + if ((reg_val == I40E_VFR_VFACTIVE) || + (reg_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; @@ -1455,11 +1492,8 @@ 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) && - (rstat_val != I40E_VFR_VFACTIVE) && - (rstat_val != I40E_VFR_COMPLETED)) { + reg_val = rd32(hw, I40E_VF_ARQLEN1) & I40E_VF_ARQLEN1_ARQENABLE_MASK; + if (!(adapter->flags & I40EVF_FLAG_RESET_PENDING) && !reg_val) { adapter->state = __I40EVF_RESETTING; adapter->flags |= I40EVF_FLAG_RESET_PENDING; dev_err(&adapter->pdev->dev, "Hardware reset detected\n"); @@ -1574,7 +1608,7 @@ static void i40evf_reset_task(struct work_struct *work) struct net_device *netdev = adapter->netdev; struct i40e_hw *hw = &adapter->hw; struct i40evf_mac_filter *f; - uint32_t rstat_val; + u32 reg_val; int i = 0, err; while (test_and_set_bit(__I40EVF_IN_CRITICAL_TASK, @@ -1595,12 +1629,11 @@ static void i40evf_reset_task(struct work_struct *work) /* poll until we see the reset actually happen */ 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)) + reg_val = rd32(hw, I40E_VF_ARQLEN1) & + I40E_VF_ARQLEN1_ARQENABLE_MASK; + if (!reg_val) break; - usleep_range(500, 1000); + usleep_range(5000, 10000); } if (i == I40EVF_RESET_WAIT_COUNT) { dev_info(&adapter->pdev->dev, "Never saw reset\n"); @@ -1609,21 +1642,21 @@ static void i40evf_reset_task(struct work_struct *work) /* wait until the reset is complete and the PF is responding to us */ 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) + reg_val = rd32(hw, I40E_VFGEN_RSTAT) & + I40E_VFGEN_RSTAT_VFR_STATE_MASK; + if (reg_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_mac_filter *ftmp; struct i40evf_vlan_filter *fv, *fvtmp; /* reset never finished */ dev_err(&adapter->pdev->dev, "Reset never finished (%x)\n", - rstat_val); + reg_val); adapter->flags |= I40EVF_FLAG_PF_COMMS_FAILED; if (netif_running(adapter->netdev)) { @@ -1853,8 +1886,7 @@ static int i40evf_setup_all_tx_resources(struct i40evf_adapter *adapter) if (!err) continue; dev_err(&adapter->pdev->dev, - "%s: Allocation for Tx Queue %u failed\n", - __func__, i); + "Allocation for Tx Queue %u failed\n", i); break; } @@ -1881,8 +1913,7 @@ static int i40evf_setup_all_rx_resources(struct i40evf_adapter *adapter) if (!err) continue; dev_err(&adapter->pdev->dev, - "%s: Allocation for Rx Queue %u failed\n", - __func__, i); + "Allocation for Rx Queue %u failed\n", i); break; } return err; @@ -2041,6 +2072,9 @@ static const struct net_device_ops i40evf_netdev_ops = { .ndo_tx_timeout = i40evf_tx_timeout, .ndo_vlan_rx_add_vid = i40evf_vlan_rx_add_vid, .ndo_vlan_rx_kill_vid = i40evf_vlan_rx_kill_vid, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = i40evf_netpoll, +#endif }; /** @@ -2089,7 +2123,10 @@ int i40evf_process_config(struct i40evf_adapter *adapter) if (adapter->vf_res->vf_offload_flags & I40E_VIRTCHNL_VF_OFFLOAD_VLAN) { - netdev->vlan_features = netdev->features; + netdev->vlan_features = netdev->features & + ~(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER); netdev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; @@ -2118,6 +2155,7 @@ int i40evf_process_config(struct i40evf_adapter *adapter) adapter->vsi.tx_itr_setting = (I40E_ITR_DYNAMIC | ITR_REG_TO_USEC(I40E_ITR_TX_DEF)); adapter->vsi.netdev = adapter->netdev; + adapter->vsi.qs_handle = adapter->vsi_res->qset_handle; return 0; } @@ -2246,10 +2284,13 @@ static void i40evf_init_task(struct work_struct *work) if (!is_valid_ether_addr(adapter->hw.mac.addr)) { dev_info(&pdev->dev, "Invalid MAC address %pM, using random\n", adapter->hw.mac.addr); - random_ether_addr(adapter->hw.mac.addr); + eth_hw_addr_random(netdev); + ether_addr_copy(adapter->hw.mac.addr, netdev->dev_addr); + } else { + adapter->flags |= I40EVF_FLAG_ADDR_SET_BY_PF; + ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr); + ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr); } - ether_addr_copy(netdev->dev_addr, adapter->hw.mac.addr); - ether_addr_copy(netdev->perm_addr, adapter->hw.mac.addr); init_timer(&adapter->watchdog_timer); adapter->watchdog_timer.function = &i40evf_watchdog_timer; @@ -2265,6 +2306,9 @@ static void i40evf_init_task(struct work_struct *work) if (err) goto err_sw_init; i40evf_map_rings_to_vectors(adapter); + if (adapter->vf_res->vf_offload_flags & + I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) + adapter->flags |= I40EVF_FLAG_WB_ON_ITR_CAPABLE; if (!RSS_AQ(adapter)) i40evf_configure_rss(adapter); err = i40evf_request_misc_irq(adapter); @@ -2317,7 +2361,7 @@ err: adapter->flags |= I40EVF_FLAG_PF_COMMS_FAILED; return; /* do not reschedule */ } - schedule_delayed_work(&adapter->init_task, HZ * 3); + schedule_delayed_work(&adapter->init_task, HZ); } /** |