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path: root/drivers/net/ixgbe/ixgbe_main.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_main.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c57
1 files changed, 43 insertions, 14 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 813c5bc1a8fa..0d9a3ac043a6 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2723,17 +2723,21 @@ static inline bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter)
**/
static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
{
- /* Start with base case */
- adapter->num_rx_queues = 1;
- adapter->num_tx_queues = 1;
-
#ifdef CONFIG_IXGBE_DCB
if (ixgbe_set_dcb_queues(adapter))
- return;
+ goto done;
#endif
if (ixgbe_set_rss_queues(adapter))
- return;
+ goto done;
+
+ /* fallback to base case */
+ adapter->num_rx_queues = 1;
+ adapter->num_tx_queues = 1;
+
+done:
+ /* Notify the stack of the (possibly) reduced Tx Queue count. */
+ adapter->netdev->real_num_tx_queues = adapter->num_tx_queues;
}
static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter,
@@ -2992,9 +2996,6 @@ try_msi:
}
out:
- /* Notify the stack of the (possibly) reduced Tx Queue count. */
- adapter->netdev->real_num_tx_queues = adapter->num_tx_queues;
-
return err;
}
@@ -3611,9 +3612,9 @@ static int ixgbe_resume(struct pci_dev *pdev)
return 0;
}
-
#endif /* CONFIG_PM */
-static int ixgbe_suspend(struct pci_dev *pdev, pm_message_t state)
+
+static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct ixgbe_adapter *adapter = netdev_priv(netdev);
@@ -3672,18 +3673,46 @@ static int ixgbe_suspend(struct pci_dev *pdev, pm_message_t state)
pci_enable_wake(pdev, PCI_D3cold, 0);
}
+ *enable_wake = !!wufc;
+
ixgbe_release_hw_control(adapter);
pci_disable_device(pdev);
- pci_set_power_state(pdev, pci_choose_state(pdev, state));
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int ixgbe_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ int retval;
+ bool wake;
+
+ retval = __ixgbe_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;
}
+#endif /* CONFIG_PM */
static void ixgbe_shutdown(struct pci_dev *pdev)
{
- ixgbe_suspend(pdev, PMSG_SUSPEND);
+ bool wake;
+
+ __ixgbe_shutdown(pdev, &wake);
+
+ if (system_state == SYSTEM_POWER_OFF) {
+ pci_wake_from_d3(pdev, wake);
+ pci_set_power_state(pdev, PCI_D3hot);
+ }
}
/**
@@ -4342,7 +4371,7 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
int count = 0;
unsigned int f;
- r_idx = (adapter->num_tx_queues - 1) & skb->queue_mapping;
+ r_idx = skb->queue_mapping;
tx_ring = &adapter->tx_ring[r_idx];
if (adapter->vlgrp && vlan_tx_tag_present(skb)) {