e1000e: fix close interrupt race
[safe/jmp/linux-2.6] / drivers / net / e1000e / netdev.c
index 803545b..b4ae046 100644 (file)
 #include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/pm_qos_params.h>
+#include <linux/aer.h>
 
 #include "e1000.h"
 
-#define DRV_VERSION "0.3.3.3-k4"
+#define DRV_VERSION "0.3.3.4-k2"
 char e1000e_driver_name[] = "e1000e";
 const char e1000e_driver_version[] = DRV_VERSION;
 
@@ -55,9 +56,12 @@ static const struct e1000_info *e1000_info_tbl[] = {
        [board_82571]           = &e1000_82571_info,
        [board_82572]           = &e1000_82572_info,
        [board_82573]           = &e1000_82573_info,
+       [board_82574]           = &e1000_82574_info,
+       [board_82583]           = &e1000_82583_info,
        [board_80003es2lan]     = &e1000_es2_info,
        [board_ich8lan]         = &e1000_ich8_info,
        [board_ich9lan]         = &e1000_ich9_info,
+       [board_ich10lan]        = &e1000_ich10_info,
 };
 
 #ifdef DEBUG
@@ -97,12 +101,10 @@ static void e1000_receive_skb(struct e1000_adapter *adapter,
        skb->protocol = eth_type_trans(skb, netdev);
 
        if (adapter->vlgrp && (status & E1000_RXD_STAT_VP))
-               vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
-                                        le16_to_cpu(vlan));
+               vlan_gro_receive(&adapter->napi, adapter->vlgrp,
+                                le16_to_cpu(vlan), skb);
        else
-               netif_receive_skb(skb);
-
-       netdev->last_rx = jiffies;
+               napi_gro_receive(&adapter->napi, skb);
 }
 
 /**
@@ -343,7 +345,6 @@ no_buffers:
 /**
  * e1000_alloc_jumbo_rx_buffers - Replace used jumbo receive buffers
  * @adapter: address of board private structure
- * @rx_ring: pointer to receive ring structure
  * @cleaned_count: number of buffers to allocate this pass
  **/
 
@@ -497,6 +498,10 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
                        goto next_desc;
                }
 
+               /* adjust length to remove Ethernet CRC */
+               if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
+                       length -= 4;
+
                total_rx_bytes += length;
                total_rx_packets++;
 
@@ -562,15 +567,14 @@ next_desc:
 static void e1000_put_txbuf(struct e1000_adapter *adapter,
                             struct e1000_buffer *buffer_info)
 {
-       if (buffer_info->dma) {
-               pci_unmap_page(adapter->pdev, buffer_info->dma,
-                              buffer_info->length, PCI_DMA_TODEVICE);
-               buffer_info->dma = 0;
-       }
+       buffer_info->dma = 0;
        if (buffer_info->skb) {
+               skb_dma_unmap(&adapter->pdev->dev, buffer_info->skb,
+                             DMA_TO_DEVICE);
                dev_kfree_skb_any(buffer_info->skb);
                buffer_info->skb = NULL;
        }
+       buffer_info->time_stamp = 0;
 }
 
 static void e1000_print_tx_hang(struct e1000_adapter *adapter)
@@ -617,15 +621,16 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
        struct e1000_buffer *buffer_info;
        unsigned int i, eop;
        unsigned int count = 0;
-       bool cleaned = 0;
+       bool cleaned;
        unsigned int total_tx_bytes = 0, total_tx_packets = 0;
 
        i = tx_ring->next_to_clean;
        eop = tx_ring->buffer_info[i].next_to_watch;
        eop_desc = E1000_TX_DESC(*tx_ring, eop);
 
-       while (eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) {
-               for (cleaned = 0; !cleaned; ) {
+       while ((eop_desc->upper.data & cpu_to_le32(E1000_TXD_STAT_DD)) &&
+              (count < tx_ring->count)) {
+               for (cleaned = 0; !cleaned; count++) {
                        tx_desc = E1000_TX_DESC(*tx_ring, i);
                        buffer_info = &tx_ring->buffer_info[i];
                        cleaned = (i == eop);
@@ -651,10 +656,6 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 
                eop = tx_ring->buffer_info[i].next_to_watch;
                eop_desc = E1000_TX_DESC(*tx_ring, eop);
-#define E1000_TX_WEIGHT 64
-               /* weight of a sort for tx, to avoid endless transmit cleanup */
-               if (count++ == E1000_TX_WEIGHT)
-                       break;
        }
 
        tx_ring->next_to_clean = i;
@@ -675,13 +676,11 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
        }
 
        if (adapter->detect_tx_hung) {
-               /*
-                * Detect a transmit hang in hardware, this serializes the
-                * check with the clearing of time_stamp and movement of i
-                */
+               /* Detect a transmit hang in hardware, this serializes the
+                * check with the clearing of time_stamp and movement of i */
                adapter->detect_tx_hung = 0;
-               if (tx_ring->buffer_info[eop].dma &&
-                   time_after(jiffies, tx_ring->buffer_info[eop].time_stamp
+               if (tx_ring->buffer_info[i].time_stamp &&
+                   time_after(jiffies, tx_ring->buffer_info[i].time_stamp
                               + (adapter->tx_timeout_factor * HZ))
                    && !(er32(STATUS) & E1000_STATUS_TXOFF)) {
                        e1000_print_tx_hang(adapter);
@@ -692,7 +691,7 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
        adapter->total_tx_packets += total_tx_packets;
        adapter->net_stats.tx_bytes += total_tx_bytes;
        adapter->net_stats.tx_packets += total_tx_packets;
-       return cleaned;
+       return (count < tx_ring->count);
 }
 
 /**
@@ -802,6 +801,10 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
                        pci_dma_sync_single_for_device(pdev, ps_page->dma,
                                PAGE_SIZE, PCI_DMA_FROMDEVICE);
 
+                       /* remove the CRC */
+                       if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
+                               l1 -= 4;
+
                        skb_put(skb, l1);
                        goto copydone;
                } /* if */
@@ -823,6 +826,12 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
                        skb->truesize += length;
                }
 
+               /* strip the ethernet crc, problem is we're using pages now so
+                * this whole operation can get a little cpu intensive
+                */
+               if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
+                       pskb_trim(skb, skb->len - 4);
+
 copydone:
                total_rx_bytes += skb->len;
                total_rx_packets++;
@@ -1139,7 +1148,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
         * read ICR disables interrupts using IAM
         */
 
-       if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+       if (icr & E1000_ICR_LSC) {
                hw->mac.get_link_status = 1;
                /*
                 * ICH8 workaround-- Call gig speed drop workaround on cable
@@ -1166,12 +1175,12 @@ static irqreturn_t e1000_intr_msi(int irq, void *data)
                        mod_timer(&adapter->watchdog_timer, jiffies + 1);
        }
 
-       if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+       if (napi_schedule_prep(&adapter->napi)) {
                adapter->total_tx_bytes = 0;
                adapter->total_tx_packets = 0;
                adapter->total_rx_bytes = 0;
                adapter->total_rx_packets = 0;
-               __netif_rx_schedule(netdev, &adapter->napi);
+               __napi_schedule(&adapter->napi);
        }
 
        return IRQ_HANDLED;
@@ -1187,8 +1196,8 @@ static irqreturn_t e1000_intr(int irq, void *data)
        struct net_device *netdev = data;
        struct e1000_adapter *adapter = netdev_priv(netdev);
        struct e1000_hw *hw = &adapter->hw;
-
        u32 rctl, icr = er32(ICR);
+
        if (!icr)
                return IRQ_NONE;  /* Not our interrupt */
 
@@ -1205,7 +1214,7 @@ static irqreturn_t e1000_intr(int irq, void *data)
         * IMC write
         */
 
-       if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+       if (icr & E1000_ICR_LSC) {
                hw->mac.get_link_status = 1;
                /*
                 * ICH8 workaround-- Call gig speed drop workaround on cable
@@ -1233,18 +1242,277 @@ static irqreturn_t e1000_intr(int irq, void *data)
                        mod_timer(&adapter->watchdog_timer, jiffies + 1);
        }
 
-       if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+       if (napi_schedule_prep(&adapter->napi)) {
                adapter->total_tx_bytes = 0;
                adapter->total_tx_packets = 0;
                adapter->total_rx_bytes = 0;
                adapter->total_rx_packets = 0;
-               __netif_rx_schedule(netdev, &adapter->napi);
+               __napi_schedule(&adapter->napi);
+       }
+
+       return IRQ_HANDLED;
+}
+
+static irqreturn_t e1000_msix_other(int irq, void *data)
+{
+       struct net_device *netdev = data;
+       struct e1000_adapter *adapter = netdev_priv(netdev);
+       struct e1000_hw *hw = &adapter->hw;
+       u32 icr = er32(ICR);
+
+       if (!(icr & E1000_ICR_INT_ASSERTED)) {
+               if (!test_bit(__E1000_DOWN, &adapter->state))
+                       ew32(IMS, E1000_IMS_OTHER);
+               return IRQ_NONE;
+       }
+
+       if (icr & adapter->eiac_mask)
+               ew32(ICS, (icr & adapter->eiac_mask));
+
+       if (icr & E1000_ICR_OTHER) {
+               if (!(icr & E1000_ICR_LSC))
+                       goto no_link_interrupt;
+               hw->mac.get_link_status = 1;
+               /* guard against interrupt when we're going down */
+               if (!test_bit(__E1000_DOWN, &adapter->state))
+                       mod_timer(&adapter->watchdog_timer, jiffies + 1);
+       }
+
+no_link_interrupt:
+       if (!test_bit(__E1000_DOWN, &adapter->state))
+               ew32(IMS, E1000_IMS_LSC | E1000_IMS_OTHER);
+
+       return IRQ_HANDLED;
+}
+
+
+static irqreturn_t e1000_intr_msix_tx(int irq, void *data)
+{
+       struct net_device *netdev = data;
+       struct e1000_adapter *adapter = netdev_priv(netdev);
+       struct e1000_hw *hw = &adapter->hw;
+       struct e1000_ring *tx_ring = adapter->tx_ring;
+
+
+       adapter->total_tx_bytes = 0;
+       adapter->total_tx_packets = 0;
+
+       if (!e1000_clean_tx_irq(adapter))
+               /* Ring was not completely cleaned, so fire another interrupt */
+               ew32(ICS, tx_ring->ims_val);
+
+       return IRQ_HANDLED;
+}
+
+static irqreturn_t e1000_intr_msix_rx(int irq, void *data)
+{
+       struct net_device *netdev = data;
+       struct e1000_adapter *adapter = netdev_priv(netdev);
+
+       /* Write the ITR value calculated at the end of the
+        * previous interrupt.
+        */
+       if (adapter->rx_ring->set_itr) {
+               writel(1000000000 / (adapter->rx_ring->itr_val * 256),
+                      adapter->hw.hw_addr + adapter->rx_ring->itr_register);
+               adapter->rx_ring->set_itr = 0;
        }
 
+       if (napi_schedule_prep(&adapter->napi)) {
+               adapter->total_rx_bytes = 0;
+               adapter->total_rx_packets = 0;
+               __napi_schedule(&adapter->napi);
+       }
        return IRQ_HANDLED;
 }
 
 /**
+ * e1000_configure_msix - Configure MSI-X hardware
+ *
+ * e1000_configure_msix sets up the hardware to properly
+ * generate MSI-X interrupts.
+ **/
+static void e1000_configure_msix(struct e1000_adapter *adapter)
+{
+       struct e1000_hw *hw = &adapter->hw;
+       struct e1000_ring *rx_ring = adapter->rx_ring;
+       struct e1000_ring *tx_ring = adapter->tx_ring;
+       int vector = 0;
+       u32 ctrl_ext, ivar = 0;
+
+       adapter->eiac_mask = 0;
+
+       /* Workaround issue with spurious interrupts on 82574 in MSI-X mode */
+       if (hw->mac.type == e1000_82574) {
+               u32 rfctl = er32(RFCTL);
+               rfctl |= E1000_RFCTL_ACK_DIS;
+               ew32(RFCTL, rfctl);
+       }
+
+#define E1000_IVAR_INT_ALLOC_VALID     0x8
+       /* Configure Rx vector */
+       rx_ring->ims_val = E1000_IMS_RXQ0;
+       adapter->eiac_mask |= rx_ring->ims_val;
+       if (rx_ring->itr_val)
+               writel(1000000000 / (rx_ring->itr_val * 256),
+                      hw->hw_addr + rx_ring->itr_register);
+       else
+               writel(1, hw->hw_addr + rx_ring->itr_register);
+       ivar = E1000_IVAR_INT_ALLOC_VALID | vector;
+
+       /* Configure Tx vector */
+       tx_ring->ims_val = E1000_IMS_TXQ0;
+       vector++;
+       if (tx_ring->itr_val)
+               writel(1000000000 / (tx_ring->itr_val * 256),
+                      hw->hw_addr + tx_ring->itr_register);
+       else
+               writel(1, hw->hw_addr + tx_ring->itr_register);
+       adapter->eiac_mask |= tx_ring->ims_val;
+       ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 8);
+
+       /* set vector for Other Causes, e.g. link changes */
+       vector++;
+       ivar |= ((E1000_IVAR_INT_ALLOC_VALID | vector) << 16);
+       if (rx_ring->itr_val)
+               writel(1000000000 / (rx_ring->itr_val * 256),
+                      hw->hw_addr + E1000_EITR_82574(vector));
+       else
+               writel(1, hw->hw_addr + E1000_EITR_82574(vector));
+
+       /* Cause Tx interrupts on every write back */
+       ivar |= (1 << 31);
+
+       ew32(IVAR, ivar);
+
+       /* enable MSI-X PBA support */
+       ctrl_ext = er32(CTRL_EXT);
+       ctrl_ext |= E1000_CTRL_EXT_PBA_CLR;
+
+       /* Auto-Mask Other interrupts upon ICR read */
+#define E1000_EIAC_MASK_82574   0x01F00000
+       ew32(IAM, ~E1000_EIAC_MASK_82574 | E1000_IMS_OTHER);
+       ctrl_ext |= E1000_CTRL_EXT_EIAME;
+       ew32(CTRL_EXT, ctrl_ext);
+       e1e_flush();
+}
+
+void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter)
+{
+       if (adapter->msix_entries) {
+               pci_disable_msix(adapter->pdev);
+               kfree(adapter->msix_entries);
+               adapter->msix_entries = NULL;
+       } else if (adapter->flags & FLAG_MSI_ENABLED) {
+               pci_disable_msi(adapter->pdev);
+               adapter->flags &= ~FLAG_MSI_ENABLED;
+       }
+
+       return;
+}
+
+/**
+ * e1000e_set_interrupt_capability - set MSI or MSI-X if supported
+ *
+ * Attempt to configure interrupts using the best available
+ * capabilities of the hardware and kernel.
+ **/
+void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
+{
+       int err;
+       int numvecs, i;
+
+
+       switch (adapter->int_mode) {
+       case E1000E_INT_MODE_MSIX:
+               if (adapter->flags & FLAG_HAS_MSIX) {
+                       numvecs = 3; /* RxQ0, TxQ0 and other */
+                       adapter->msix_entries = kcalloc(numvecs,
+                                                     sizeof(struct msix_entry),
+                                                     GFP_KERNEL);
+                       if (adapter->msix_entries) {
+                               for (i = 0; i < numvecs; i++)
+                                       adapter->msix_entries[i].entry = i;
+
+                               err = pci_enable_msix(adapter->pdev,
+                                                     adapter->msix_entries,
+                                                     numvecs);
+                               if (err == 0)
+                                       return;
+                       }
+                       /* MSI-X failed, so fall through and try MSI */
+                       e_err("Failed to initialize MSI-X interrupts.  "
+                             "Falling back to MSI interrupts.\n");
+                       e1000e_reset_interrupt_capability(adapter);
+               }
+               adapter->int_mode = E1000E_INT_MODE_MSI;
+               /* Fall through */
+       case E1000E_INT_MODE_MSI:
+               if (!pci_enable_msi(adapter->pdev)) {
+                       adapter->flags |= FLAG_MSI_ENABLED;
+               } else {
+                       adapter->int_mode = E1000E_INT_MODE_LEGACY;
+                       e_err("Failed to initialize MSI interrupts.  Falling "
+                             "back to legacy interrupts.\n");
+               }
+               /* Fall through */
+       case E1000E_INT_MODE_LEGACY:
+               /* Don't do anything; this is the system default */
+               break;
+       }
+
+       return;
+}
+
+/**
+ * e1000_request_msix - Initialize MSI-X interrupts
+ *
+ * e1000_request_msix allocates MSI-X vectors and requests interrupts from the
+ * kernel.
+ **/
+static int e1000_request_msix(struct e1000_adapter *adapter)
+{
+       struct net_device *netdev = adapter->netdev;
+       int err = 0, vector = 0;
+
+       if (strlen(netdev->name) < (IFNAMSIZ - 5))
+               sprintf(adapter->rx_ring->name, "%s-rx-0", netdev->name);
+       else
+               memcpy(adapter->rx_ring->name, netdev->name, IFNAMSIZ);
+       err = request_irq(adapter->msix_entries[vector].vector,
+                         &e1000_intr_msix_rx, 0, adapter->rx_ring->name,
+                         netdev);
+       if (err)
+               goto out;
+       adapter->rx_ring->itr_register = E1000_EITR_82574(vector);
+       adapter->rx_ring->itr_val = adapter->itr;
+       vector++;
+
+       if (strlen(netdev->name) < (IFNAMSIZ - 5))
+               sprintf(adapter->tx_ring->name, "%s-tx-0", netdev->name);
+       else
+               memcpy(adapter->tx_ring->name, netdev->name, IFNAMSIZ);
+       err = request_irq(adapter->msix_entries[vector].vector,
+                         &e1000_intr_msix_tx, 0, adapter->tx_ring->name,
+                         netdev);
+       if (err)
+               goto out;
+       adapter->tx_ring->itr_register = E1000_EITR_82574(vector);
+       adapter->tx_ring->itr_val = adapter->itr;
+       vector++;
+
+       err = request_irq(adapter->msix_entries[vector].vector,
+                         &e1000_msix_other, 0, netdev->name, netdev);
+       if (err)
+               goto out;
+
+       e1000_configure_msix(adapter);
+       return 0;
+out:
+       return err;
+}
+
+/**
  * e1000_request_irq - initialize interrupts
  *
  * Attempts to configure interrupts using the best available
@@ -1253,29 +1521,33 @@ static irqreturn_t e1000_intr(int irq, void *data)
 static int e1000_request_irq(struct e1000_adapter *adapter)
 {
        struct net_device *netdev = adapter->netdev;
-       int irq_flags = IRQF_SHARED;
        int err;
 
-       if (!(adapter->flags & FLAG_MSI_TEST_FAILED)) {
-               err = pci_enable_msi(adapter->pdev);
-               if (!err) {
-                       adapter->flags |= FLAG_MSI_ENABLED;
-                       irq_flags = 0;
-               }
+       if (adapter->msix_entries) {
+               err = e1000_request_msix(adapter);
+               if (!err)
+                       return err;
+               /* fall back to MSI */
+               e1000e_reset_interrupt_capability(adapter);
+               adapter->int_mode = E1000E_INT_MODE_MSI;
+               e1000e_set_interrupt_capability(adapter);
        }
+       if (adapter->flags & FLAG_MSI_ENABLED) {
+               err = request_irq(adapter->pdev->irq, &e1000_intr_msi, 0,
+                                 netdev->name, netdev);
+               if (!err)
+                       return err;
 
-       err = request_irq(adapter->pdev->irq,
-                         ((adapter->flags & FLAG_MSI_ENABLED) ?
-                               &e1000_intr_msi : &e1000_intr),
-                         irq_flags, netdev->name, netdev);
-       if (err) {
-               if (adapter->flags & FLAG_MSI_ENABLED) {
-                       pci_disable_msi(adapter->pdev);
-                       adapter->flags &= ~FLAG_MSI_ENABLED;
-               }
-               e_err("Unable to allocate interrupt, Error: %d\n", err);
+               /* fall back to legacy interrupt */
+               e1000e_reset_interrupt_capability(adapter);
+               adapter->int_mode = E1000E_INT_MODE_LEGACY;
        }
 
+       err = request_irq(adapter->pdev->irq, &e1000_intr, IRQF_SHARED,
+                         netdev->name, netdev);
+       if (err)
+               e_err("Unable to allocate interrupt, Error: %d\n", err);
+
        return err;
 }
 
@@ -1283,11 +1555,21 @@ static void e1000_free_irq(struct e1000_adapter *adapter)
 {
        struct net_device *netdev = adapter->netdev;
 
-       free_irq(adapter->pdev->irq, netdev);
-       if (adapter->flags & FLAG_MSI_ENABLED) {
-               pci_disable_msi(adapter->pdev);
-               adapter->flags &= ~FLAG_MSI_ENABLED;
+       if (adapter->msix_entries) {
+               int vector = 0;
+
+               free_irq(adapter->msix_entries[vector].vector, netdev);
+               vector++;
+
+               free_irq(adapter->msix_entries[vector].vector, netdev);
+               vector++;
+
+               /* Other Causes interrupt vector */
+               free_irq(adapter->msix_entries[vector].vector, netdev);
+               return;
        }
+
+       free_irq(adapter->pdev->irq, netdev);
 }
 
 /**
@@ -1298,6 +1580,8 @@ static void e1000_irq_disable(struct e1000_adapter *adapter)
        struct e1000_hw *hw = &adapter->hw;
 
        ew32(IMC, ~0);
+       if (adapter->msix_entries)
+               ew32(EIAC_82574, 0);
        e1e_flush();
        synchronize_irq(adapter->pdev->irq);
 }
@@ -1309,7 +1593,12 @@ static void e1000_irq_enable(struct e1000_adapter *adapter)
 {
        struct e1000_hw *hw = &adapter->hw;
 
-       ew32(IMS, IMS_ENABLE_MASK);
+       if (adapter->msix_entries) {
+               ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574);
+               ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC);
+       } else {
+               ew32(IMS, IMS_ENABLE_MASK);
+       }
        e1e_flush();
 }
 
@@ -1407,7 +1696,6 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
 
        tx_ring->next_to_use = 0;
        tx_ring->next_to_clean = 0;
-       spin_lock_init(&adapter->tx_queue_lock);
 
        return 0;
 err:
@@ -1559,9 +1847,8 @@ void e1000e_free_rx_resources(struct e1000_adapter *adapter)
  *      traffic pattern.  Constants in this function were computed
  *      based on theoretical maximum wire speed and thresholds were set based
  *      on testing data as well as attempting to minimize response time
- *      while increasing bulk throughput.
- *      this functionality is controlled by the InterruptThrottleRate module
- *      parameter (see e1000_param.c)
+ *      while increasing bulk throughput.  This functionality is controlled
+ *      by the InterruptThrottleRate module parameter.
  **/
 static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
                                     u16 itr_setting, int packets,
@@ -1669,11 +1956,37 @@ set_itr_now:
                             min(adapter->itr + (new_itr >> 2), new_itr) :
                             new_itr;
                adapter->itr = new_itr;
-               ew32(ITR, 1000000000 / (new_itr * 256));
+               adapter->rx_ring->itr_val = new_itr;
+               if (adapter->msix_entries)
+                       adapter->rx_ring->set_itr = 1;
+               else
+                       ew32(ITR, 1000000000 / (new_itr * 256));
        }
 }
 
 /**
+ * e1000_alloc_queues - Allocate memory for all rings
+ * @adapter: board private structure to initialize
+ **/
+static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
+{
+       adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
+       if (!adapter->tx_ring)
+               goto err;
+
+       adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
+       if (!adapter->rx_ring)
+               goto err;
+
+       return 0;
+err:
+       e_err("Unable to allocate memory for queues\n");
+       kfree(adapter->rx_ring);
+       kfree(adapter->tx_ring);
+       return -ENOMEM;
+}
+
+/**
  * e1000_clean - NAPI Rx polling callback
  * @napi: struct associated with this polling callback
  * @budget: amount of packets driver is allowed to process this poll
@@ -1681,34 +1994,35 @@ set_itr_now:
 static int e1000_clean(struct napi_struct *napi, int budget)
 {
        struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
+       struct e1000_hw *hw = &adapter->hw;
        struct net_device *poll_dev = adapter->netdev;
        int tx_cleaned = 0, work_done = 0;
 
-       /* Must NOT use netdev_priv macro here. */
-       adapter = poll_dev->priv;
+       adapter = netdev_priv(poll_dev);
 
-       /*
-        * e1000_clean is called per-cpu.  This lock protects
-        * tx_ring from being cleaned by multiple cpus
-        * simultaneously.  A failure obtaining the lock means
-        * tx_ring is currently being cleaned anyway.
-        */
-       if (spin_trylock(&adapter->tx_queue_lock)) {
-               tx_cleaned = e1000_clean_tx_irq(adapter);
-               spin_unlock(&adapter->tx_queue_lock);
-       }
+       if (adapter->msix_entries &&
+           !(adapter->rx_ring->ims_val & adapter->tx_ring->ims_val))
+               goto clean_rx;
+
+       tx_cleaned = e1000_clean_tx_irq(adapter);
 
+clean_rx:
        adapter->clean_rx(adapter, &work_done, budget);
 
-       if (tx_cleaned)
+       if (!tx_cleaned)
                work_done = budget;
 
        /* If budget not fully consumed, exit the polling mode */
        if (work_done < budget) {
                if (adapter->itr_setting & 3)
                        e1000_set_itr(adapter);
-               netif_rx_complete(poll_dev, napi);
-               e1000_irq_enable(adapter);
+               napi_complete(napi);
+               if (!test_bit(__E1000_DOWN, &adapter->state)) {
+                       if (adapter->msix_entries)
+                               ew32(IMS, adapter->rx_ring->ims_val);
+                       else
+                               e1000_irq_enable(adapter);
+               }
        }
 
        return work_done;
@@ -1987,8 +2301,12 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
        else
                rctl |= E1000_RCTL_LPE;
 
-       /* Enable hardware CRC frame stripping */
-       rctl |= E1000_RCTL_SECRC;
+       /* Some systems expect that the CRC is included in SMBUS traffic. The
+        * hardware strips the CRC before sending to both SMBUS (BMC) and to
+        * host memory when this is enabled
+        */
+       if (adapter->flags2 & FLAG2_CRC_STRIPPING)
+               rctl |= E1000_RCTL_SECRC;
 
        /* Setup buffer sizes */
        rctl &= ~E1000_RCTL_SZ_4096;
@@ -2456,7 +2774,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
        else
                fc->pause_time = E1000_FC_PAUSE_TIME;
        fc->send_xon = 1;
-       fc->type = fc->original_type;
+       fc->current_mode = fc->requested_mode;
 
        /* Allow time for pending master requests to run */
        mac->ops.reset_hw(hw);
@@ -2504,6 +2822,8 @@ int e1000e_up(struct e1000_adapter *adapter)
        clear_bit(__E1000_DOWN, &adapter->state);
 
        napi_enable(&adapter->napi);
+       if (adapter->msix_entries)
+               e1000_configure_msix(adapter);
        e1000_irq_enable(adapter);
 
        /* fire a link change interrupt to start the watchdog */
@@ -2587,29 +2907,16 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
        adapter->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
        adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
 
-       adapter->tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
-       if (!adapter->tx_ring)
-               goto err;
-
-       adapter->rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
-       if (!adapter->rx_ring)
-               goto err;
+       e1000e_set_interrupt_capability(adapter);
 
-       spin_lock_init(&adapter->tx_queue_lock);
+       if (e1000_alloc_queues(adapter))
+               return -ENOMEM;
 
        /* Explicitly disable IRQ since the NIC can be in any state. */
        e1000_irq_disable(adapter);
 
-       spin_lock_init(&adapter->stats_lock);
-
        set_bit(__E1000_DOWN, &adapter->state);
        return 0;
-
-err:
-       e_err("Unable to allocate memory for queues\n");
-       kfree(adapter->rx_ring);
-       kfree(adapter->tx_ring);
-       return -ENOMEM;
 }
 
 /**
@@ -2651,6 +2958,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
 
        /* free the real vector and request a test handler */
        e1000_free_irq(adapter);
+       e1000e_reset_interrupt_capability(adapter);
 
        /* Assume that the test fails, if it succeeds then the test
         * MSI irq handler will unset this flag */
@@ -2681,6 +2989,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
        rmb();
 
        if (adapter->flags & FLAG_MSI_TEST_FAILED) {
+               adapter->int_mode = E1000E_INT_MODE_LEGACY;
                err = -EIO;
                e_info("MSI interrupt test failed!\n");
        }
@@ -2694,7 +3003,7 @@ static int e1000_test_msi_interrupt(struct e1000_adapter *adapter)
        /* okay so the test worked, restore settings */
        e_dbg("%s: MSI interrupt test succeeded!\n", netdev->name);
 msi_test_failed:
-       /* restore the original vector, even if it failed */
+       e1000e_set_interrupt_capability(adapter);
        e1000_request_irq(adapter);
        return err;
 }
@@ -2804,7 +3113,7 @@ static int e1000_open(struct net_device *netdev)
         * ignore e1000e MSI messages, which means we need to test our MSI
         * interrupt now
         */
-       {
+       if (adapter->int_mode != E1000E_INT_MODE_LEGACY) {
                err = e1000_test_msi(adapter);
                if (err) {
                        e_err("Interrupt allocation failed\n");
@@ -2953,10 +3262,6 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 {
        struct e1000_hw *hw = &adapter->hw;
        struct pci_dev *pdev = adapter->pdev;
-       unsigned long irq_flags;
-       u16 phy_tmp;
-
-#define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
 
        /*
         * Prevent stats update while adapter is being reset, or if the pci
@@ -2967,14 +3272,6 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
        if (pci_channel_offline(pdev))
                return;
 
-       spin_lock_irqsave(&adapter->stats_lock, irq_flags);
-
-       /*
-        * these counters are modified from e1000_adjust_tbi_stats,
-        * called from the interrupt context, so they must only
-        * be written while holding adapter->stats_lock
-        */
-
        adapter->stats.crcerrs += er32(CRCERRS);
        adapter->stats.gprc += er32(GPRC);
        adapter->stats.gorc += er32(GORCL);
@@ -3011,7 +3308,8 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 
        adapter->stats.algnerrc += er32(ALGNERRC);
        adapter->stats.rxerrc += er32(RXERRC);
-       adapter->stats.tncrs += er32(TNCRS);
+       if ((hw->mac.type != e1000_82574) && (hw->mac.type != e1000_82583))
+               adapter->stats.tncrs += er32(TNCRS);
        adapter->stats.cexterr += er32(CEXTERR);
        adapter->stats.tsctc += er32(TSCTC);
        adapter->stats.tsctfc += er32(TSCTFC);
@@ -3045,21 +3343,10 @@ void e1000e_update_stats(struct e1000_adapter *adapter)
 
        /* Tx Dropped needs to be maintained elsewhere */
 
-       /* Phy Stats */
-       if (hw->phy.media_type == e1000_media_type_copper) {
-               if ((adapter->link_speed == SPEED_1000) &&
-                  (!e1e_rphy(hw, PHY_1000T_STATUS, &phy_tmp))) {
-                       phy_tmp &= PHY_IDLE_ERROR_COUNT_MASK;
-                       adapter->phy_stats.idle_errors += phy_tmp;
-               }
-       }
-
        /* Management Stats */
        adapter->stats.mgptc += er32(MGTPTC);
        adapter->stats.mgprc += er32(MGTPRC);
        adapter->stats.mgpdc += er32(MGTPDC);
-
-       spin_unlock_irqrestore(&adapter->stats_lock, irq_flags);
 }
 
 /**
@@ -3071,10 +3358,6 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)
        struct e1000_hw *hw = &adapter->hw;
        struct e1000_phy_regs *phy = &adapter->phy_regs;
        int ret_val;
-       unsigned long irq_flags;
-
-
-       spin_lock_irqsave(&adapter->stats_lock, irq_flags);
 
        if ((er32(STATUS) & E1000_STATUS_LU) &&
            (adapter->hw.phy.media_type == e1000_media_type_copper)) {
@@ -3105,8 +3388,6 @@ static void e1000_phy_read_status(struct e1000_adapter *adapter)
                phy->stat1000 = 0;
                phy->estatus = (ESTATUS_1000_TFULL | ESTATUS_1000_THALF);
        }
-
-       spin_unlock_irqrestore(&adapter->stats_lock, irq_flags);
 }
 
 static void e1000_print_link_info(struct e1000_adapter *adapter)
@@ -3114,7 +3395,10 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
        struct e1000_hw *hw = &adapter->hw;
        u32 ctrl = er32(CTRL);
 
-       e_info("Link is Up %d Mbps %s, Flow Control: %s\n",
+       /* Link status message must follow this format for user tools */
+       printk(KERN_INFO "e1000e: %s NIC Link is Up %d Mbps %s, "
+              "Flow Control: %s\n",
+              adapter->netdev->name,
               adapter->link_speed,
               (adapter->link_duplex == FULL_DUPLEX) ?
                                "Full Duplex" : "Half Duplex",
@@ -3124,7 +3408,7 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
               ((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
 }
 
-static bool e1000_has_link(struct e1000_adapter *adapter)
+bool e1000_has_link(struct e1000_adapter *adapter)
 {
        struct e1000_hw *hw = &adapter->hw;
        bool link_active = 0;
@@ -3199,6 +3483,7 @@ static void e1000_watchdog_task(struct work_struct *work)
                                        struct e1000_adapter, watchdog_task);
        struct net_device *netdev = adapter->netdev;
        struct e1000_mac_info *mac = &adapter->hw.mac;
+       struct e1000_phy_info *phy = &adapter->hw.phy;
        struct e1000_ring *tx_ring = adapter->tx_ring;
        struct e1000_hw *hw = &adapter->hw;
        u32 link, tctl;
@@ -3224,6 +3509,27 @@ static void e1000_watchdog_task(struct work_struct *work)
                                                   &adapter->link_duplex);
                        e1000_print_link_info(adapter);
                        /*
+                        * On supported PHYs, check for duplex mismatch only
+                        * if link has autonegotiated at 10/100 half
+                        */
+                       if ((hw->phy.type == e1000_phy_igp_3 ||
+                            hw->phy.type == e1000_phy_bm) &&
+                           (hw->mac.autoneg == true) &&
+                           (adapter->link_speed == SPEED_10 ||
+                            adapter->link_speed == SPEED_100) &&
+                           (adapter->link_duplex == HALF_DUPLEX)) {
+                               u16 autoneg_exp;
+
+                               e1e_rphy(hw, PHY_AUTONEG_EXP, &autoneg_exp);
+
+                               if (!(autoneg_exp & NWAY_ER_LP_NWAY_CAPS))
+                                       e_info("Autonegotiated half duplex but"
+                                              " link partner cannot autoneg. "
+                                              " Try forcing full duplex if "
+                                              "link gets many collisions.\n");
+                       }
+
+                       /*
                         * tweak tx_queue_len according to speed/duplex
                         * and adjust the timeout factor
                         */
@@ -3284,6 +3590,13 @@ static void e1000_watchdog_task(struct work_struct *work)
                        tctl |= E1000_TCTL_EN;
                        ew32(TCTL, tctl);
 
+                        /*
+                        * Perform any post-link-up configuration before
+                        * reporting link up.
+                        */
+                       if (phy->ops.cfg_on_link_up)
+                               phy->ops.cfg_on_link_up(hw);
+
                        netif_carrier_on(netdev);
                        netif_tx_wake_all_queues(netdev);
 
@@ -3295,7 +3608,9 @@ static void e1000_watchdog_task(struct work_struct *work)
                if (netif_carrier_ok(netdev)) {
                        adapter->link_speed = 0;
                        adapter->link_duplex = 0;
-                       e_info("Link is Down\n");
+                       /* Link status message must follow this format */
+                       printk(KERN_INFO "e1000e: %s NIC Link is Down\n",
+                              adapter->netdev->name);
                        netif_carrier_off(netdev);
                        netif_tx_stop_all_queues(netdev);
                        if (!test_bit(__E1000_DOWN, &adapter->state))
@@ -3338,7 +3653,10 @@ link_up:
        }
 
        /* Cause software interrupt to ensure Rx ring is cleaned */
-       ew32(ICS, E1000_ICS_RXDMT0);
+       if (adapter->msix_entries)
+               ew32(ICS, adapter->rx_ring->ims_val);
+       else
+               ew32(ICS, E1000_ICS_RXDMT0);
 
        /* Force detection of hung controller every watchdog period */
        adapter->detect_tx_hung = 1;
@@ -3446,34 +3764,57 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
        struct e1000_buffer *buffer_info;
        unsigned int i;
        u8 css;
+       u32 cmd_len = E1000_TXD_CMD_DEXT;
+       __be16 protocol;
 
-       if (skb->ip_summed == CHECKSUM_PARTIAL) {
-               css = skb_transport_offset(skb);
-
-               i = tx_ring->next_to_use;
-               buffer_info = &tx_ring->buffer_info[i];
-               context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
+       if (skb->ip_summed != CHECKSUM_PARTIAL)
+               return 0;
 
-               context_desc->lower_setup.ip_config = 0;
-               context_desc->upper_setup.tcp_fields.tucss = css;
-               context_desc->upper_setup.tcp_fields.tucso =
-                                       css + skb->csum_offset;
-               context_desc->upper_setup.tcp_fields.tucse = 0;
-               context_desc->tcp_seg_setup.data = 0;
-               context_desc->cmd_and_length = cpu_to_le32(E1000_TXD_CMD_DEXT);
+       if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
+               protocol = vlan_eth_hdr(skb)->h_vlan_encapsulated_proto;
+       else
+               protocol = skb->protocol;
 
-               buffer_info->time_stamp = jiffies;
-               buffer_info->next_to_watch = i;
+       switch (protocol) {
+       case cpu_to_be16(ETH_P_IP):
+               if (ip_hdr(skb)->protocol == IPPROTO_TCP)
+                       cmd_len |= E1000_TXD_CMD_TCP;
+               break;
+       case cpu_to_be16(ETH_P_IPV6):
+               /* XXX not handling all IPV6 headers */
+               if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
+                       cmd_len |= E1000_TXD_CMD_TCP;
+               break;
+       default:
+               if (unlikely(net_ratelimit()))
+                       e_warn("checksum_partial proto=%x!\n",
+                              be16_to_cpu(protocol));
+               break;
+       }
 
-               i++;
-               if (i == tx_ring->count)
-                       i = 0;
-               tx_ring->next_to_use = i;
+       css = skb_transport_offset(skb);
 
-               return 1;
-       }
+       i = tx_ring->next_to_use;
+       buffer_info = &tx_ring->buffer_info[i];
+       context_desc = E1000_CONTEXT_DESC(*tx_ring, i);
+
+       context_desc->lower_setup.ip_config = 0;
+       context_desc->upper_setup.tcp_fields.tucss = css;
+       context_desc->upper_setup.tcp_fields.tucso =
+                               css + skb->csum_offset;
+       context_desc->upper_setup.tcp_fields.tucse = 0;
+       context_desc->tcp_seg_setup.data = 0;
+       context_desc->cmd_and_length = cpu_to_le32(cmd_len);
+
+       buffer_info->time_stamp = jiffies;
+       buffer_info->next_to_watch = i;
+
+       i++;
+       if (i == tx_ring->count)
+               i = 0;
+       tx_ring->next_to_use = i;
 
-       return 0;
+       return 1;
 }
 
 #define E1000_MAX_PER_TXD      8192
@@ -3486,42 +3827,40 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 {
        struct e1000_ring *tx_ring = adapter->tx_ring;
        struct e1000_buffer *buffer_info;
-       unsigned int len = skb->len - skb->data_len;
-       unsigned int offset = 0, size, count = 0, i;
+       unsigned int len = skb_headlen(skb);
+       unsigned int offset, size, count = 0, i;
        unsigned int f;
+       dma_addr_t *map;
 
        i = tx_ring->next_to_use;
 
+       if (skb_dma_map(&adapter->pdev->dev, skb, DMA_TO_DEVICE)) {
+               dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
+               adapter->tx_dma_failed++;
+               return 0;
+       }
+
+       map = skb_shinfo(skb)->dma_maps;
+       offset = 0;
+
        while (len) {
                buffer_info = &tx_ring->buffer_info[i];
                size = min(len, max_per_txd);
 
-               /* Workaround for premature desc write-backs
-                * in TSO mode.  Append 4-byte sentinel desc */
-               if (mss && !nr_frags && size == len && size > 8)
-                       size -= 4;
-
                buffer_info->length = size;
-               /* set time_stamp *before* dma to help avoid a possible race */
                buffer_info->time_stamp = jiffies;
-               buffer_info->dma =
-                       pci_map_single(adapter->pdev,
-                               skb->data + offset,
-                               size,
-                               PCI_DMA_TODEVICE);
-               if (pci_dma_mapping_error(adapter->pdev, buffer_info->dma)) {
-                       dev_err(&adapter->pdev->dev, "TX DMA map failed\n");
-                       adapter->tx_dma_failed++;
-                       return -1;
-               }
                buffer_info->next_to_watch = i;
+               buffer_info->dma = map[0] + offset;
+               count++;
 
                len -= size;
                offset += size;
-               count++;
-               i++;
-               if (i == tx_ring->count)
-                       i = 0;
+
+               if (len) {
+                       i++;
+                       if (i == tx_ring->count)
+                               i = 0;
+               }
        }
 
        for (f = 0; f < nr_frags; f++) {
@@ -3529,49 +3868,27 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
 
                frag = &skb_shinfo(skb)->frags[f];
                len = frag->size;
-               offset = frag->page_offset;
+               offset = 0;
 
                while (len) {
+                       i++;
+                       if (i == tx_ring->count)
+                               i = 0;
+
                        buffer_info = &tx_ring->buffer_info[i];
                        size = min(len, max_per_txd);
-                       /* Workaround for premature desc write-backs
-                        * in TSO mode.  Append 4-byte sentinel desc */
-                       if (mss && f == (nr_frags-1) && size == len && size > 8)
-                               size -= 4;
 
                        buffer_info->length = size;
                        buffer_info->time_stamp = jiffies;
-                       buffer_info->dma =
-                               pci_map_page(adapter->pdev,
-                                       frag->page,
-                                       offset,
-                                       size,
-                                       PCI_DMA_TODEVICE);
-                       if (pci_dma_mapping_error(adapter->pdev,
-                                                 buffer_info->dma)) {
-                               dev_err(&adapter->pdev->dev,
-                                       "TX DMA page map failed\n");
-                               adapter->tx_dma_failed++;
-                               return -1;
-                       }
-
                        buffer_info->next_to_watch = i;
+                       buffer_info->dma = map[f + 1] + offset;
 
                        len -= size;
                        offset += size;
                        count++;
-
-                       i++;
-                       if (i == tx_ring->count)
-                               i = 0;
                }
        }
 
-       if (i == 0)
-               i = tx_ring->count - 1;
-       else
-               i--;
-
        tx_ring->buffer_info[i].skb = skb;
        tx_ring->buffer_info[first].next_to_watch = i;
 
@@ -3723,7 +4040,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
        unsigned int tx_flags = 0;
        unsigned int len = skb->len - skb->data_len;
-       unsigned long irq_flags;
        unsigned int nr_frags;
        unsigned int mss;
        int count = 0;
@@ -3792,18 +4108,12 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if (adapter->hw.mac.tx_pkt_filtering)
                e1000_transfer_dhcp_info(adapter, skb);
 
-       if (!spin_trylock_irqsave(&adapter->tx_queue_lock, irq_flags))
-               /* Collision - tell upper layer to requeue */
-               return NETDEV_TX_LOCKED;
-
        /*
         * need: count + 2 desc gap to keep tail from touching
         * head, otherwise try next time
         */
-       if (e1000_maybe_stop_tx(netdev, count + 2)) {
-               spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
+       if (e1000_maybe_stop_tx(netdev, count + 2))
                return NETDEV_TX_BUSY;
-       }
 
        if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
                tx_flags |= E1000_TX_FLAGS_VLAN;
@@ -3815,7 +4125,6 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        tso = e1000_tso(adapter, skb);
        if (tso < 0) {
                dev_kfree_skb_any(skb);
-               spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
                return NETDEV_TX_OK;
        }
 
@@ -3832,22 +4141,20 @@ static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
        if (skb->protocol == htons(ETH_P_IP))
                tx_flags |= E1000_TX_FLAGS_IPV4;
 
+       /* if count is 0 then mapping error has occured */
        count = e1000_tx_map(adapter, skb, first, max_per_txd, nr_frags, mss);
-       if (count < 0) {
-               /* handle pci_map_single() error in e1000_tx_map */
+       if (count) {
+               e1000_tx_queue(adapter, tx_flags, count);
+               netdev->trans_start = jiffies;
+               /* Make sure there is space in the ring for the next send. */
+               e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
+
+       } else {
                dev_kfree_skb_any(skb);
-               spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
-               return NETDEV_TX_OK;
+               tx_ring->buffer_info[first].time_stamp = 0;
+               tx_ring->next_to_use = first;
        }
 
-       e1000_tx_queue(adapter, tx_flags, count);
-
-       netdev->trans_start = jiffies;
-
-       /* Make sure there is space in the ring for the next send. */
-       e1000_maybe_stop_tx(netdev, MAX_SKB_FRAGS + 2);
-
-       spin_unlock_irqrestore(&adapter->tx_queue_lock, irq_flags);
        return NETDEV_TX_OK;
 }
 
@@ -4055,6 +4362,7 @@ static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
                e1000e_down(adapter);
                e1000_free_irq(adapter);
        }
+       e1000e_reset_interrupt_capability(adapter);
 
        retval = pci_save_state(pdev);
        if (retval)
@@ -4127,7 +4435,27 @@ static int e1000_suspend(struct pci_dev *pdev, pm_message_t state)
 
        pci_disable_device(pdev);
 
-       pci_set_power_state(pdev, pci_choose_state(pdev, state));
+       /*
+        * The pci-e switch on some quad port adapters will report a
+        * correctable error when the MAC transitions from D0 to D3.  To
+        * prevent this we need to mask off the correctable errors on the
+        * downstream port of the pci-e switch.
+        */
+       if (adapter->flags & FLAG_IS_QUAD_PORT) {
+               struct pci_dev *us_dev = pdev->bus->self;
+               int pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
+               u16 devctl;
+
+               pci_read_config_word(us_dev, pos + PCI_EXP_DEVCTL, &devctl);
+               pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL,
+                                     (devctl & ~PCI_EXP_DEVCTL_CERE));
+
+               pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+               pci_write_config_word(us_dev, pos + PCI_EXP_DEVCTL, devctl);
+       } else {
+               pci_set_power_state(pdev, pci_choose_state(pdev, state));
+       }
 
        return 0;
 }
@@ -4176,11 +4504,20 @@ static int e1000_resume(struct pci_dev *pdev)
                return err;
        }
 
+       /* AER (Advanced Error Reporting) hooks */
+       err = pci_enable_pcie_error_reporting(pdev);
+       if (err) {
+               dev_err(&pdev->dev, "pci_enable_pcie_error_reporting failed "
+                                   "0x%x\n", err);
+               /* non-fatal, continue */
+       }
+
        pci_set_master(pdev);
 
        pci_enable_wake(pdev, PCI_D3hot, 0);
        pci_enable_wake(pdev, PCI_D3cold, 0);
 
+       e1000e_set_interrupt_capability(adapter);
        if (netif_running(netdev)) {
                err = e1000_request_irq(adapter);
                if (err)
@@ -4269,24 +4606,29 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
        struct e1000_adapter *adapter = netdev_priv(netdev);
        struct e1000_hw *hw = &adapter->hw;
        int err;
+       pci_ers_result_t result;
 
        e1000e_disable_l1aspm(pdev);
        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);
 
-       e1000e_reset(adapter);
-       ew32(WUS, ~0);
+               e1000e_reset(adapter);
+               ew32(WUS, ~0);
+               result = PCI_ERS_RESULT_RECOVERED;
+       }
 
-       return PCI_ERS_RESULT_RECOVERED;
+       pci_cleanup_aer_uncorrect_error_status(pdev);
+
+       return result;
 }
 
 /**
@@ -4331,14 +4673,12 @@ static void e1000_print_device_info(struct e1000_adapter *adapter)
        u32 pba_num;
 
        /* print bus type/speed/width info */
-       e_info("(PCI Express:2.5GB/s:%s) %02x:%02x:%02x:%02x:%02x:%02x\n",
+       e_info("(PCI Express:2.5GB/s:%s) %pM\n",
               /* bus width */
               ((hw->bus.width == e1000_bus_width_pcie_x4) ? "Width x4" :
                "Width x1"),
               /* MAC address */
-              netdev->dev_addr[0], netdev->dev_addr[1],
-              netdev->dev_addr[2], netdev->dev_addr[3],
-              netdev->dev_addr[4], netdev->dev_addr[5]);
+              netdev->dev_addr);
        e_info("Intel(R) PRO/%s Network Connection\n",
               (hw->phy.type == e1000_phy_ife) ? "10/100" : "1000");
        e1000e_read_pba_num(hw, &pba_num);
@@ -4356,18 +4696,40 @@ static void e1000_eeprom_checks(struct e1000_adapter *adapter)
                return;
 
        ret_val = e1000_read_nvm(hw, NVM_INIT_CONTROL2_REG, 1, &buf);
-       if (!(le16_to_cpu(buf) & (1 << 0))) {
+       if (!ret_val && (!(le16_to_cpu(buf) & (1 << 0)))) {
                /* Deep Smart Power Down (DSPD) */
-               e_warn("Warning: detected DSPD enabled in EEPROM\n");
+               dev_warn(&adapter->pdev->dev,
+                        "Warning: detected DSPD enabled in EEPROM\n");
        }
 
        ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
-       if (le16_to_cpu(buf) & (3 << 2)) {
+       if (!ret_val && (le16_to_cpu(buf) & (3 << 2))) {
                /* ASPM enable */
-               e_warn("Warning: detected ASPM enabled in EEPROM\n");
+               dev_warn(&adapter->pdev->dev,
+                        "Warning: detected ASPM enabled in EEPROM\n");
        }
 }
 
+static const struct net_device_ops e1000e_netdev_ops = {
+       .ndo_open               = e1000_open,
+       .ndo_stop               = e1000_close,
+       .ndo_start_xmit         = e1000_xmit_frame,
+       .ndo_get_stats          = e1000_get_stats,
+       .ndo_set_multicast_list = e1000_set_multi,
+       .ndo_set_mac_address    = e1000_set_mac,
+       .ndo_change_mtu         = e1000_change_mtu,
+       .ndo_do_ioctl           = e1000_ioctl,
+       .ndo_tx_timeout         = e1000_tx_timeout,
+       .ndo_validate_addr      = eth_validate_addr,
+
+       .ndo_vlan_rx_register   = e1000_vlan_rx_register,
+       .ndo_vlan_rx_add_vid    = e1000_vlan_rx_add_vid,
+       .ndo_vlan_rx_kill_vid   = e1000_vlan_rx_kill_vid,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       .ndo_poll_controller    = e1000_netpoll,
+#endif
+};
+
 /**
  * e1000_probe - Device Initialization Routine
  * @pdev: PCI device information struct
@@ -4419,14 +4781,17 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
                }
        }
 
-       err = pci_request_selected_regions(pdev,
+       err = pci_request_selected_regions_exclusive(pdev,
                                          pci_select_bars(pdev, IORESOURCE_MEM),
                                          e1000e_driver_name);
        if (err)
                goto err_pci_reg;
 
        pci_set_master(pdev);
-       pci_save_state(pdev);
+       /* PCI config space info */
+       err = pci_save_state(pdev);
+       if (err)
+               goto err_alloc_etherdev;
 
        err = -ENOMEM;
        netdev = alloc_etherdev(sizeof(struct e1000_adapter));
@@ -4443,6 +4808,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        adapter->ei = ei;
        adapter->pba = ei->pba;
        adapter->flags = ei->flags;
+       adapter->flags2 = ei->flags2;
        adapter->hw.adapter = adapter;
        adapter->hw.mac.type = ei->mac;
        adapter->msg_enable = (1 << NETIF_MSG_DRV | NETIF_MSG_PROBE) - 1;
@@ -4465,24 +4831,10 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        }
 
        /* construct the net_device struct */
-       netdev->open                    = &e1000_open;
-       netdev->stop                    = &e1000_close;
-       netdev->hard_start_xmit         = &e1000_xmit_frame;
-       netdev->get_stats               = &e1000_get_stats;
-       netdev->set_multicast_list      = &e1000_set_multi;
-       netdev->set_mac_address         = &e1000_set_mac;
-       netdev->change_mtu              = &e1000_change_mtu;
-       netdev->do_ioctl                = &e1000_ioctl;
+       netdev->netdev_ops              = &e1000e_netdev_ops;
        e1000e_set_ethtool_ops(netdev);
-       netdev->tx_timeout              = &e1000_tx_timeout;
        netdev->watchdog_timeo          = 5 * HZ;
        netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
-       netdev->vlan_rx_register        = e1000_vlan_rx_register;
-       netdev->vlan_rx_add_vid         = e1000_vlan_rx_add_vid;
-       netdev->vlan_rx_kill_vid        = e1000_vlan_rx_kill_vid;
-#ifdef CONFIG_NET_POLL_CONTROLLER
-       netdev->poll_controller         = e1000_netpoll;
-#endif
        strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
 
        netdev->mem_start = mmio_start;
@@ -4544,12 +4896,6 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        if (pci_using_dac)
                netdev->features |= NETIF_F_HIGHDMA;
 
-       /*
-        * We should not be using LLTX anymore, but we are still Tx faster with
-        * it.
-        */
-       netdev->features |= NETIF_F_LLTX;
-
        if (e1000e_enable_mng_pass_thru(&adapter->hw))
                adapter->flags |= FLAG_MNG_PT_ENABLED;
 
@@ -4583,10 +4929,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        memcpy(netdev->perm_addr, adapter->hw.mac.addr, netdev->addr_len);
 
        if (!is_valid_ether_addr(netdev->perm_addr)) {
-               e_err("Invalid MAC Address: %02x:%02x:%02x:%02x:%02x:%02x\n",
-                     netdev->perm_addr[0], netdev->perm_addr[1],
-                     netdev->perm_addr[2], netdev->perm_addr[3],
-                     netdev->perm_addr[4], netdev->perm_addr[5]);
+               e_err("Invalid MAC Address: %pM\n", netdev->perm_addr);
                err = -EIO;
                goto err_eeprom;
        }
@@ -4607,8 +4950,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
        /* Initialize link parameters. User can change them with ethtool */
        adapter->hw.mac.autoneg = 1;
        adapter->fc_autoneg = 1;
-       adapter->hw.fc.original_type = e1000_fc_default;
-       adapter->hw.fc.type = e1000_fc_default;
+       adapter->hw.fc.requested_mode = e1000_fc_default;
+       adapter->hw.fc.current_mode = e1000_fc_default;
        adapter->hw.phy.autoneg_advertised = 0x2f;
 
        /* ring size defaults */
@@ -4647,6 +4990,10 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
 
        /* initialize the wol settings based on the eeprom settings */
        adapter->wol = adapter->eeprom_wol;
+       device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
+       /* save off EEPROM version number */
+       e1000_read_nvm(&adapter->hw, 5, 1, &adapter->eeprom_vers);
 
        /* reset the hardware with the new settings */
        e1000e_reset(adapter);
@@ -4685,6 +5032,7 @@ err_hw_init:
 err_sw_init:
        if (adapter->hw.flash_address)
                iounmap(adapter->hw.flash_address);
+       e1000e_reset_interrupt_capability(adapter);
 err_flashmap:
        iounmap(adapter->hw.hw_addr);
 err_ioremap:
@@ -4711,6 +5059,7 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 {
        struct net_device *netdev = pci_get_drvdata(pdev);
        struct e1000_adapter *adapter = netdev_priv(netdev);
+       int err;
 
        /*
         * flush_scheduled work may reschedule our watchdog task, so
@@ -4733,6 +5082,7 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
        if (!e1000_check_reset_block(&adapter->hw))
                e1000_phy_hw_reset(&adapter->hw);
 
+       e1000e_reset_interrupt_capability(adapter);
        kfree(adapter->tx_ring);
        kfree(adapter->rx_ring);
 
@@ -4744,6 +5094,12 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 
        free_netdev(netdev);
 
+       /* AER disable */
+       err = pci_disable_pcie_error_reporting(pdev);
+       if (err)
+               dev_err(&pdev->dev,
+                       "pci_disable_pcie_error_reporting failed 0x%x\n", err);
+
        pci_disable_device(pdev);
 }
 
@@ -4774,6 +5130,10 @@ static struct pci_device_id e1000_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_82573E_IAMT), board_82573 },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_82573L), board_82573 },
 
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_82574L), board_82574 },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_82574LA), board_82574 },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_82583V), board_82583 },
+
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_DPT),
          board_80003es2lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_80003ES2LAN_COPPER_SPT),
@@ -4796,6 +5156,7 @@ static struct pci_device_id e1000_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IFE_GT), board_ich9lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_AMT), board_ich9lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_C), board_ich9lan },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_BM), board_ich9lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M), board_ich9lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_AMT), board_ich9lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH9_IGP_M_V), board_ich9lan },
@@ -4804,6 +5165,9 @@ static struct pci_device_id e1000_pci_tbl[] = {
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_LF), board_ich9lan },
        { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_R_BM_V), board_ich9lan },
 
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LM), board_ich10lan },
+       { PCI_VDEVICE(INTEL, E1000_DEV_ID_ICH10_D_BM_LF), board_ich10lan },
+
        { }     /* terminate list */
 };
 MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);