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ixgbe: Two small fixes for 82599 when bringing the device down and for WoL

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The Tx DMA unit should be disabled when bringing the device down.  Also,
the KX4 device with 82599 supports WoL, so we should clear the Wake Up
Status (WUS) after a PCIe slot reset.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
PJ Waskiewicz 2009-03-13 22:15:10 +00:00 committed by David S. Miller
parent 9891ca7cdc
commit 885125399e
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ixgbe/ixgbe_main.c
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@ -2558,6 +2558,11 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(j),
(txdctl & ~IXGBE_TXDCTL_ENABLE));
}
/* Disable the Tx DMA engine on 82599 */
if (hw->mac.type == ixgbe_mac_82599EB)
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL,
(IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
~IXGBE_DMATXCTL_TE));
netif_carrier_off(netdev);
@ -4794,7 +4799,7 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
pci_enable_wake(pdev, PCI_D3cold, 0);
ixgbe_reset(adapter);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
result = PCI_ERS_RESULT_RECOVERED;
}