ixgbe: disable tx engine before disabling tx laser

[net-next-2.6.git] / drivers / net / ixgbe / ixgbe_main.c

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index d571d101de08fb4c183af77cb9b64d10904d10a7..7ddd60e7d38904ac9d3a87ddad4776b470936fbf 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -642,7 +642,7 @@ static inline bool ixgbe_tx_xon_state(struct ixgbe_adapter *adapter,
        u32 txoff = IXGBE_TFCS_TXOFF;
 
 #ifdef CONFIG_IXGBE_DCB
-       if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+       if (adapter->dcb_cfg.pfc_mode_enable) {
                int tc;
                int reg_idx = tx_ring->reg_idx;
                int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
@@ -3684,10 +3684,6 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
        /* signal that we are down to the interrupt handler */
        set_bit(__IXGBE_DOWN, &adapter->state);
 
-       /* power down the optics */
-       if (hw->phy.multispeed_fiber)
-               hw->mac.ops.disable_tx_laser(hw);
-
        /* disable receive for all VFs and wait one second */
        if (adapter->num_vfs) {
                /* ping all the active vfs to let them know we are going down */
@@ -3742,6 +3738,10 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
                                (IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
                                 ~IXGBE_DMATXCTL_TE));
 
+       /* power down the optics */
+       if (hw->phy.multispeed_fiber)
+               hw->mac.ops.disable_tx_laser(hw);
+
        /* clear n-tuple filters that are cached */
        ethtool_ntuple_flush(netdev);
 
@@ -5195,7 +5195,6 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
                ixgbe_free_all_tx_resources(adapter);
                ixgbe_free_all_rx_resources(adapter);
        }
-       ixgbe_clear_interrupt_scheme(adapter);
 
 #ifdef CONFIG_PM
        retval = pci_save_state(pdev);
@@ -5230,6 +5229,8 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake)
 
        *enable_wake = !!wufc;
 
+       ixgbe_clear_interrupt_scheme(adapter);
+
        ixgbe_release_hw_control(adapter);
 
        pci_disable_device(pdev);
@@ -5282,6 +5283,10 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
        u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
        u64 non_eop_descs = 0, restart_queue = 0;
 
+       if (test_bit(__IXGBE_DOWN, &adapter->state) ||
+           test_bit(__IXGBE_RESETTING, &adapter->state))
+               return;
+
        if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
                u64 rsc_count = 0;
                u64 rsc_flush = 0;