igb: Add support for pci-e Advanced Error Reporting

Add the calls necessary to enable advanced error reporting for igb on
systems with AER enabled.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 648f5a2..a08921e 100644 (file)
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -42,6 +42,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/if_ether.h>
+#include <linux/aer.h>
 #ifdef CONFIG_IGB_DCA
 #include <linux/dca.h>
 #endif
@@ -1049,6 +1050,8 @@ static int __devinit igb_probe(struct pci_dev *pdev,
        if (err)
                goto err_pci_reg;
 
+       pci_enable_pcie_error_reporting(pdev);
+
        pci_set_master(pdev);
        pci_save_state(pdev);
 
@@ -1379,6 +1382,8 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 
        free_netdev(netdev);
 
+       pci_disable_pcie_error_reporting(pdev);
+
        pci_disable_device(pdev);
 }
 
@@ -4470,27 +4475,33 @@ static pci_ers_result_t igb_io_slot_reset(struct pci_dev *pdev)
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct igb_adapter *adapter = netdev_priv(netdev);
        struct e1000_hw *hw = &adapter->hw;
+       pci_ers_result_t result;
        int err;
 
        if (adapter->need_ioport)
                err = pci_enable_device(pdev);
        else
                err = pci_enable_device_mem(pdev);
+
        if (err) {
                dev_err(&pdev->dev,
                        "Cannot re-enable PCI device after reset.\n");
-               return PCI_ERS_RESULT_DISCONNECT;
-       }
-       pci_set_master(pdev);
-       pci_restore_state(pdev);
+               result = PCI_ERS_RESULT_DISCONNECT;
+       } else {
+               pci_set_master(pdev);
+               pci_restore_state(pdev);
 
-       pci_enable_wake(pdev, PCI_D3hot, 0);
-       pci_enable_wake(pdev, PCI_D3cold, 0);
+               pci_enable_wake(pdev, PCI_D3hot, 0);
+               pci_enable_wake(pdev, PCI_D3cold, 0);
 
-       igb_reset(adapter);
-       wr32(E1000_WUS, ~0);
+               igb_reset(adapter);
+               wr32(E1000_WUS, ~0);
+               result = PCI_ERS_RESULT_RECOVERED;
+       }
 
-       return PCI_ERS_RESULT_RECOVERED;
+       pci_cleanup_aer_uncorrect_error_status(pdev);
+
+       return result;
 }
 
 /**
@@ -4518,7 +4529,6 @@ static void igb_io_resume(struct pci_dev *pdev)
        /* let the f/w know that the h/w is now under the control of the
         * driver. */
        igb_get_hw_control(adapter);
-
 }
 
 /* igb_main.c */