diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 124 |
1 files changed, 85 insertions, 39 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 0c55079ebee3..6d4ada72dfd0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -64,7 +64,7 @@ char ixgbe_default_device_descr[] = static char ixgbe_default_device_descr[] = "Intel(R) 10 Gigabit Network Connection"; #endif -#define DRV_VERSION "3.15.1-k" +#define DRV_VERSION "3.19.1-k" const char ixgbe_driver_version[] = DRV_VERSION; static const char ixgbe_copyright[] = "Copyright (c) 1999-2013 Intel Corporation."; @@ -278,10 +278,41 @@ static void ixgbe_check_minimum_link(struct ixgbe_adapter *adapter, static void ixgbe_service_event_schedule(struct ixgbe_adapter *adapter) { if (!test_bit(__IXGBE_DOWN, &adapter->state) && + !test_bit(__IXGBE_REMOVING, &adapter->state) && !test_and_set_bit(__IXGBE_SERVICE_SCHED, &adapter->state)) schedule_work(&adapter->service_task); } +static void ixgbe_remove_adapter(struct ixgbe_hw *hw) +{ + struct ixgbe_adapter *adapter = hw->back; + + if (!hw->hw_addr) + return; + hw->hw_addr = NULL; + e_dev_err("Adapter removed\n"); + ixgbe_service_event_schedule(adapter); +} + +void ixgbe_check_remove(struct ixgbe_hw *hw, u32 reg) +{ + u32 value; + + /* The following check not only optimizes a bit by not + * performing a read on the status register when the + * register just read was a status register read that + * returned IXGBE_FAILED_READ_REG. It also blocks any + * potential recursion. + */ + if (reg == IXGBE_STATUS) { + ixgbe_remove_adapter(hw); + return; + } + value = ixgbe_read_reg(hw, IXGBE_STATUS); + if (value == IXGBE_FAILED_READ_REG) + ixgbe_remove_adapter(hw); +} + static void ixgbe_service_event_complete(struct ixgbe_adapter *adapter) { BUG_ON(!test_bit(__IXGBE_SERVICE_SCHED, &adapter->state)); @@ -1314,7 +1345,7 @@ static inline void ixgbe_release_rx_desc(struct ixgbe_ring *rx_ring, u32 val) * such as IA-64). */ wmb(); - writel(val, rx_ring->tail); + ixgbe_write_tail(rx_ring, val); } static bool ixgbe_alloc_mapped_page(struct ixgbe_ring *rx_ring, @@ -2969,7 +3000,7 @@ void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter, ring->count * sizeof(union ixgbe_adv_tx_desc)); IXGBE_WRITE_REG(hw, IXGBE_TDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_TDT(reg_idx), 0); - ring->tail = hw->hw_addr + IXGBE_TDT(reg_idx); + ring->tail = adapter->io_addr + IXGBE_TDT(reg_idx); /* * set WTHRESH to encourage burst writeback, it should not be set @@ -3308,6 +3339,8 @@ static void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter, u32 rxdctl; u8 reg_idx = ring->reg_idx; + if (ixgbe_removed(hw->hw_addr)) + return; /* RXDCTL.EN will return 0 on 82598 if link is down, so skip it */ if (hw->mac.type == ixgbe_mac_82598EB && !(IXGBE_READ_REG(hw, IXGBE_LINKS) & IXGBE_LINKS_UP)) @@ -3332,6 +3365,8 @@ void ixgbe_disable_rx_queue(struct ixgbe_adapter *adapter, u32 rxdctl; u8 reg_idx = ring->reg_idx; + if (ixgbe_removed(hw->hw_addr)) + return; rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(reg_idx)); rxdctl &= ~IXGBE_RXDCTL_ENABLE; @@ -3372,7 +3407,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter, ring->count * sizeof(union ixgbe_adv_rx_desc)); IXGBE_WRITE_REG(hw, IXGBE_RDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_RDT(reg_idx), 0); - ring->tail = hw->hw_addr + IXGBE_RDT(reg_idx); + ring->tail = adapter->io_addr + IXGBE_RDT(reg_idx); ixgbe_configure_srrctl(adapter, ring); ixgbe_configure_rscctl(adapter, ring); @@ -4251,8 +4286,8 @@ static void ixgbe_disable_fwd_ring(struct ixgbe_fwd_adapter *vadapter, rx_ring->l2_accel_priv = NULL; } -int ixgbe_fwd_ring_down(struct net_device *vdev, - struct ixgbe_fwd_adapter *accel) +static int ixgbe_fwd_ring_down(struct net_device *vdev, + struct ixgbe_fwd_adapter *accel) { struct ixgbe_adapter *adapter = accel->real_adapter; unsigned int rxbase = accel->rx_base_queue; @@ -4572,6 +4607,7 @@ static void ixgbe_up_complete(struct ixgbe_adapter *adapter) if (hw->mac.ops.enable_tx_laser) hw->mac.ops.enable_tx_laser(hw); + smp_mb__before_clear_bit(); clear_bit(__IXGBE_DOWN, &adapter->state); ixgbe_napi_enable_all(adapter); @@ -4656,6 +4692,8 @@ void ixgbe_reset(struct ixgbe_adapter *adapter) struct ixgbe_hw *hw = &adapter->hw; int err; + if (ixgbe_removed(hw->hw_addr)) + return; /* lock SFP init bit to prevent race conditions with the watchdog */ while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state)) usleep_range(1000, 2000); @@ -4783,7 +4821,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter) int i; /* signal that we are down to the interrupt handler */ - set_bit(__IXGBE_DOWN, &adapter->state); + if (test_and_set_bit(__IXGBE_DOWN, &adapter->state)) + return; /* do nothing if already down */ /* disable receives */ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); @@ -5028,7 +5067,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) /* assign number of SR-IOV VFs */ if (hw->mac.type != ixgbe_mac_82598EB) { - if (max_vfs > 63) { + if (max_vfs > IXGBE_MAX_VFS_DRV_LIMIT) { adapter->num_vfs = 0; e_dev_warn("max_vfs parameter out of range. Not assigning any SR-IOV VFs\n"); } else { @@ -5874,8 +5913,9 @@ static void ixgbe_check_hang_subtask(struct ixgbe_adapter *adapter) u64 eics = 0; int i; - /* If we're down or resetting, just bail */ + /* If we're down, removing or resetting, just bail */ if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_REMOVING, &adapter->state) || test_bit(__IXGBE_RESETTING, &adapter->state)) return; @@ -6122,8 +6162,9 @@ static void ixgbe_spoof_check(struct ixgbe_adapter *adapter) **/ static void ixgbe_watchdog_subtask(struct ixgbe_adapter *adapter) { - /* if interface is down do nothing */ + /* if interface is down, removing or resetting, do nothing */ if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_REMOVING, &adapter->state) || test_bit(__IXGBE_RESETTING, &adapter->state)) return; @@ -6341,8 +6382,9 @@ static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter) adapter->flags2 &= ~IXGBE_FLAG2_RESET_REQUESTED; - /* If we're already down or resetting, just bail */ + /* If we're already down, removing or resetting, just bail */ if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_REMOVING, &adapter->state) || test_bit(__IXGBE_RESETTING, &adapter->state)) return; @@ -6350,7 +6392,9 @@ static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter) netdev_err(adapter->netdev, "Reset adapter\n"); adapter->tx_timeout_count++; + rtnl_lock(); ixgbe_reinit_locked(adapter); + rtnl_unlock(); } /** @@ -6362,6 +6406,15 @@ static void ixgbe_service_task(struct work_struct *work) struct ixgbe_adapter *adapter = container_of(work, struct ixgbe_adapter, service_task); + if (ixgbe_removed(adapter->hw.hw_addr)) { + if (!test_bit(__IXGBE_DOWN, &adapter->state)) { + rtnl_lock(); + ixgbe_down(adapter); + rtnl_unlock(); + } + ixgbe_service_event_complete(adapter); + return; + } ixgbe_reset_subtask(adapter); ixgbe_sfp_detection_subtask(adapter); ixgbe_sfp_link_config_subtask(adapter); @@ -6693,7 +6746,7 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, tx_ring->next_to_use = i; /* notify HW of packet */ - writel(i, tx_ring->tail); + ixgbe_write_tail(tx_ring, i); return; dma_error: @@ -6827,12 +6880,20 @@ static inline int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size) return __ixgbe_maybe_stop_tx(tx_ring, size); } -#ifdef IXGBE_FCOE -static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv) { + struct ixgbe_fwd_adapter *fwd_adapter = accel_priv; +#ifdef IXGBE_FCOE struct ixgbe_adapter *adapter; struct ixgbe_ring_feature *f; int txq; +#endif + + if (fwd_adapter) + return skb->queue_mapping + fwd_adapter->tx_base_queue; + +#ifdef IXGBE_FCOE /* * only execute the code below if protocol is FCoE @@ -6858,9 +6919,11 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) txq -= f->indices; return txq + f->offset; +#else + return __netdev_pick_tx(dev, skb); +#endif } -#endif netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct ixgbe_adapter *adapter, struct ixgbe_ring *tx_ring) @@ -7629,27 +7692,11 @@ static void ixgbe_fwd_del(struct net_device *pdev, void *priv) kfree(fwd_adapter); } -static netdev_tx_t ixgbe_fwd_xmit(struct sk_buff *skb, - struct net_device *dev, - void *priv) -{ - struct ixgbe_fwd_adapter *fwd_adapter = priv; - unsigned int queue; - struct ixgbe_ring *tx_ring; - - queue = skb->queue_mapping + fwd_adapter->tx_base_queue; - tx_ring = fwd_adapter->real_adapter->tx_ring[queue]; - - return __ixgbe_xmit_frame(skb, dev, tx_ring); -} - static const struct net_device_ops ixgbe_netdev_ops = { .ndo_open = ixgbe_open, .ndo_stop = ixgbe_close, .ndo_start_xmit = ixgbe_xmit_frame, -#ifdef IXGBE_FCOE .ndo_select_queue = ixgbe_select_queue, -#endif .ndo_set_rx_mode = ixgbe_set_rx_mode, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = ixgbe_set_mac, @@ -7689,7 +7736,6 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_bridge_getlink = ixgbe_ndo_bridge_getlink, .ndo_dfwd_add_station = ixgbe_fwd_add, .ndo_dfwd_del_station = ixgbe_fwd_del, - .ndo_dfwd_start_xmit = ixgbe_fwd_xmit, }; /** @@ -7881,6 +7927,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->hw_addr = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + adapter->io_addr = hw->hw_addr; if (!hw->hw_addr) { err = -EIO; goto err_ioremap; @@ -7972,8 +8019,8 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Mailbox */ ixgbe_init_mbx_params_pf(hw); memcpy(&hw->mbx.ops, ii->mbx_ops, sizeof(hw->mbx.ops)); + pci_sriov_set_totalvfs(pdev, IXGBE_MAX_VFS_DRV_LIMIT); ixgbe_enable_sriov(adapter); - pci_sriov_set_totalvfs(pdev, 63); skip_sriov: #endif @@ -7986,10 +8033,9 @@ skip_sriov: NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXHASH | - NETIF_F_RXCSUM | - NETIF_F_HW_L2FW_DOFFLOAD; + NETIF_F_RXCSUM; - netdev->hw_features = netdev->features; + netdev->hw_features = netdev->features | NETIF_F_HW_L2FW_DOFFLOAD; switch (adapter->hw.mac.type) { case ixgbe_mac_82599EB: @@ -8190,7 +8236,7 @@ err_register: err_sw_init: ixgbe_disable_sriov(adapter); adapter->flags2 &= ~IXGBE_FLAG2_SEARCH_FOR_SFP; - iounmap(hw->hw_addr); + iounmap(adapter->io_addr); err_ioremap: free_netdev(netdev); err_alloc_etherdev: @@ -8218,7 +8264,7 @@ static void ixgbe_remove(struct pci_dev *pdev) ixgbe_dbg_adapter_exit(adapter); - set_bit(__IXGBE_DOWN, &adapter->state); + set_bit(__IXGBE_REMOVING, &adapter->state); cancel_work_sync(&adapter->service_task); @@ -8257,7 +8303,7 @@ static void ixgbe_remove(struct pci_dev *pdev) kfree(adapter->ixgbe_ieee_ets); #endif - iounmap(adapter->hw.hw_addr); + iounmap(adapter->io_addr); pci_release_selected_regions(pdev, pci_select_bars(pdev, IORESOURCE_MEM)); |