Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh...
[pandora-kernel.git] / drivers / net / e1000 / e1000_main.c
index 2035ca4..a710237 100644 (file)
@@ -990,16 +990,12 @@ e1000_probe(struct pci_dev *pdev,
                        netdev->features &= ~NETIF_F_HW_VLAN_FILTER;
        }
 
-#ifdef NETIF_F_TSO
        if ((adapter->hw.mac_type >= e1000_82544) &&
           (adapter->hw.mac_type != e1000_82547))
                netdev->features |= NETIF_F_TSO;
 
-#ifdef NETIF_F_TSO6
        if (adapter->hw.mac_type > e1000_82547_rev_2)
                netdev->features |= NETIF_F_TSO6;
-#endif
-#endif
        if (pci_using_dac)
                netdev->features |= NETIF_F_HIGHDMA;
 
@@ -1421,10 +1417,6 @@ e1000_open(struct net_device *netdev)
        if ((err = e1000_setup_all_rx_resources(adapter)))
                goto err_setup_rx;
 
-       err = e1000_request_irq(adapter);
-       if (err)
-               goto err_req_irq;
-
        e1000_power_up_phy(adapter);
 
        if ((err = e1000_up(adapter)))
@@ -1435,6 +1427,10 @@ e1000_open(struct net_device *netdev)
                e1000_update_mng_vlan(adapter);
        }
 
+       err = e1000_request_irq(adapter);
+       if (err)
+               goto err_req_irq;
+
        /* If AMT is enabled, let the firmware know that the network
         * interface is now open */
        if (adapter->hw.mac_type == e1000_82573 &&
@@ -1443,10 +1439,10 @@ e1000_open(struct net_device *netdev)
 
        return E1000_SUCCESS;
 
+err_req_irq:
+       e1000_down(adapter);
 err_up:
        e1000_power_down_phy(adapter);
-       e1000_free_irq(adapter);
-err_req_irq:
        e1000_free_all_rx_resources(adapter);
 err_setup_rx:
        e1000_free_all_tx_resources(adapter);
@@ -2626,7 +2622,6 @@ e1000_watchdog(unsigned long data)
                                E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
                        }
 
-#ifdef NETIF_F_TSO
                        /* disable TSO for pcie and 10/100 speeds, to avoid
                         * some hardware issues */
                        if (!adapter->tso_force &&
@@ -2637,22 +2632,17 @@ e1000_watchdog(unsigned long data)
                                        DPRINTK(PROBE,INFO,
                                        "10/100 speed: disabling TSO\n");
                                        netdev->features &= ~NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
                                        netdev->features &= ~NETIF_F_TSO6;
-#endif
                                        break;
                                case SPEED_1000:
                                        netdev->features |= NETIF_F_TSO;
-#ifdef NETIF_F_TSO6
                                        netdev->features |= NETIF_F_TSO6;
-#endif
                                        break;
                                default:
                                        /* oops */
                                        break;
                                }
                        }
-#endif
 
                        /* enable transmits in the hardware, need to do this
                         * after setting TARC0 */
@@ -2882,7 +2872,6 @@ static int
 e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
           struct sk_buff *skb)
 {
-#ifdef NETIF_F_TSO
        struct e1000_context_desc *context_desc;
        struct e1000_buffer *buffer_info;
        unsigned int i;
@@ -2911,7 +2900,6 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                                                   0);
                        cmd_length = E1000_TXD_CMD_IP;
                        ipcse = skb->h.raw - skb->data - 1;
-#ifdef NETIF_F_TSO6
                } else if (skb->protocol == htons(ETH_P_IPV6)) {
                        skb->nh.ipv6h->payload_len = 0;
                        skb->h.th->check =
@@ -2921,7 +2909,6 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                                                 IPPROTO_TCP,
                                                 0);
                        ipcse = 0;
-#endif
                }
                ipcss = skb->nh.raw - skb->data;
                ipcso = (void *)&(skb->nh.iph->check) - (void *)skb->data;
@@ -2954,8 +2941,6 @@ e1000_tso(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
 
                return TRUE;
        }
-#endif
-
        return FALSE;
 }
 
@@ -3013,7 +2998,6 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
        while (len) {
                buffer_info = &tx_ring->buffer_info[i];
                size = min(len, max_per_txd);
-#ifdef NETIF_F_TSO
                /* Workaround for Controller erratum --
                 * descriptor for non-tso packet in a linear SKB that follows a
                 * tso gets written back prematurely before the data is fully
@@ -3028,7 +3012,6 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                 * in TSO mode.  Append 4-byte sentinel desc */
                if (unlikely(mss && !nr_frags && size == len && size > 8))
                        size -= 4;
-#endif
                /* work-around for errata 10 and it applies
                 * to all controllers in PCI-X mode
                 * The fix is to make sure that the first descriptor of a
@@ -3070,12 +3053,10 @@ e1000_tx_map(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
                while (len) {
                        buffer_info = &tx_ring->buffer_info[i];
                        size = min(len, max_per_txd);
-#ifdef NETIF_F_TSO
                        /* Workaround for premature desc write-backs
                         * in TSO mode.  Append 4-byte sentinel desc */
                        if (unlikely(mss && f == (nr_frags-1) && size == len && size > 8))
                                size -= 4;
-#endif
                        /* Workaround for potential 82544 hang in PCI-X.
                         * Avoid terminating buffers within evenly-aligned
                         * dwords. */
@@ -3300,7 +3281,6 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if (adapter->hw.mac_type >= e1000_82571)
                max_per_txd = 8192;
 
-#ifdef NETIF_F_TSO
        mss = skb_shinfo(skb)->gso_size;
        /* The controller does a simple calculation to
         * make sure there is enough room in the FIFO before
@@ -3354,16 +3334,10 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
                count++;
        count++;
-#else
-       if (skb->ip_summed == CHECKSUM_PARTIAL)
-               count++;
-#endif
 
-#ifdef NETIF_F_TSO
        /* Controller Erratum workaround */
        if (!skb->data_len && tx_ring->last_tx_tso && !skb_is_gso(skb))
                count++;
-#endif
 
        count += TXD_USE_COUNT(len, max_txd_pwr);
 
@@ -3610,7 +3584,7 @@ e1000_update_stats(struct e1000_adapter *adapter)
         */
        if (adapter->link_speed == 0)
                return;
-       if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
+       if (pci_channel_offline(pdev))
                return;
 
        spin_lock_irqsave(&adapter->stats_lock, flags);
@@ -5097,58 +5071,6 @@ e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx)
        return 0;
 }
 
-#ifdef CONFIG_PM
-/* Save/restore 16 or 64 dwords of PCI config space depending on which
- * bus we're on (PCI(X) vs. PCI-E)
- */
-#define PCIE_CONFIG_SPACE_LEN 256
-#define PCI_CONFIG_SPACE_LEN 64
-static int
-e1000_pci_save_state(struct e1000_adapter *adapter)
-{
-       struct pci_dev *dev = adapter->pdev;
-       int size;
-       int i;
-
-       if (adapter->hw.mac_type >= e1000_82571)
-               size = PCIE_CONFIG_SPACE_LEN;
-       else
-               size = PCI_CONFIG_SPACE_LEN;
-
-       WARN_ON(adapter->config_space != NULL);
-
-       adapter->config_space = kmalloc(size, GFP_KERNEL);
-       if (!adapter->config_space) {
-               DPRINTK(PROBE, ERR, "unable to allocate %d bytes\n", size);
-               return -ENOMEM;
-       }
-       for (i = 0; i < (size / 4); i++)
-               pci_read_config_dword(dev, i * 4, &adapter->config_space[i]);
-       return 0;
-}
-
-static void
-e1000_pci_restore_state(struct e1000_adapter *adapter)
-{
-       struct pci_dev *dev = adapter->pdev;
-       int size;
-       int i;
-
-       if (adapter->config_space == NULL)
-               return;
-
-       if (adapter->hw.mac_type >= e1000_82571)
-               size = PCIE_CONFIG_SPACE_LEN;
-       else
-               size = PCI_CONFIG_SPACE_LEN;
-       for (i = 0; i < (size / 4); i++)
-               pci_write_config_dword(dev, i * 4, adapter->config_space[i]);
-       kfree(adapter->config_space);
-       adapter->config_space = NULL;
-       return;
-}
-#endif /* CONFIG_PM */
-
 static int
 e1000_suspend(struct pci_dev *pdev, pm_message_t state)
 {
@@ -5168,9 +5090,7 @@ e1000_suspend(struct pci_dev *pdev, pm_message_t state)
        }
 
 #ifdef CONFIG_PM
-       /* Implement our own version of pci_save_state(pdev) because pci-
-        * express adapters have 256-byte config spaces. */
-       retval = e1000_pci_save_state(adapter);
+       retval = pci_save_state(pdev);
        if (retval)
                return retval;
 #endif
@@ -5257,7 +5177,7 @@ e1000_resume(struct pci_dev *pdev)
        uint32_t err;
 
        pci_set_power_state(pdev, PCI_D0);
-       e1000_pci_restore_state(adapter);
+       pci_restore_state(pdev);
        if ((err = pci_enable_device(pdev))) {
                printk(KERN_ERR "e1000: Cannot enable PCI device from suspend\n");
                return err;