diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ca842163dce4..03aa9593dd9e 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -135,8 +135,8 @@ static inline int igb_set_vf_rlpml(struct igb_adapter *, int, int); static int igb_set_vf_mac(struct igb_adapter *adapter, int, unsigned char *); static void igb_restore_vf_multicasts(struct igb_adapter *adapter); -static int igb_suspend(struct pci_dev *, pm_message_t); #ifdef CONFIG_PM +static int igb_suspend(struct pci_dev *, pm_message_t); static int igb_resume(struct pci_dev *); #endif static void igb_shutdown(struct pci_dev *); @@ -420,6 +420,9 @@ static void igb_free_queues(struct igb_adapter *adapter) for (i = 0; i < adapter->num_rx_queues; i++) netif_napi_del(&adapter->rx_ring[i].napi); + adapter->num_rx_queues = 0; + adapter->num_tx_queues = 0; + kfree(adapter->tx_ring); kfree(adapter->rx_ring); } @@ -1476,9 +1479,10 @@ static int __devinit igb_probe(struct pci_dev *pdev, netdev->name, ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" : "unknown"), - ((hw->bus.width == e1000_bus_width_pcie_x4) - ? "Width x4" : (hw->bus.width == e1000_bus_width_pcie_x1) - ? "Width x1" : "unknown"), + ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" : + (hw->bus.width == e1000_bus_width_pcie_x2) ? "Width x2" : + (hw->bus.width == e1000_bus_width_pcie_x1) ? "Width x1" : + "unknown"), netdev->dev_addr); igb_read_part_num(hw, &part_num); @@ -5056,7 +5060,7 @@ int igb_set_spd_dplx(struct igb_adapter *adapter, u16 spddplx) return 0; } -static int igb_suspend(struct pci_dev *pdev, pm_message_t state) +static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake) { struct net_device *netdev = pci_get_drvdata(pdev); struct igb_adapter *adapter = netdev_priv(netdev); @@ -5115,15 +5119,9 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state) wr32(E1000_WUFC, 0); } - /* make sure adapter isn't asleep if manageability/wol is enabled */ - if (wufc || adapter->en_mng_pt) { - pci_enable_wake(pdev, PCI_D3hot, 1); - pci_enable_wake(pdev, PCI_D3cold, 1); - } else { + *enable_wake = wufc || adapter->en_mng_pt; + if (!*enable_wake) igb_shutdown_fiber_serdes_link_82575(hw); - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - } /* Release control of h/w to f/w. If f/w is AMT enabled, this * would have already happened in close and is redundant. */ @@ -5131,12 +5129,29 @@ static int igb_suspend(struct pci_dev *pdev, pm_message_t state) pci_disable_device(pdev); - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - return 0; } #ifdef CONFIG_PM +static int igb_suspend(struct pci_dev *pdev, pm_message_t state) +{ + int retval; + bool wake; + + retval = __igb_shutdown(pdev, &wake); + if (retval) + return retval; + + if (wake) { + pci_prepare_to_sleep(pdev); + } else { + pci_wake_from_d3(pdev, false); + pci_set_power_state(pdev, PCI_D3hot); + } + + return 0; +} + static int igb_resume(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); @@ -5189,7 +5204,14 @@ static int igb_resume(struct pci_dev *pdev) static void igb_shutdown(struct pci_dev *pdev) { - igb_suspend(pdev, PMSG_SUSPEND); + bool wake; + + __igb_shutdown(pdev, &wake); + + if (system_state == SYSTEM_POWER_OFF) { + pci_wake_from_d3(pdev, wake); + pci_set_power_state(pdev, PCI_D3hot); + } } #ifdef CONFIG_NET_POLL_CONTROLLER |