summaryrefslogtreecommitdiff
path: root/drivers/net/e1000e/netdev.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r--drivers/net/e1000e/netdev.c107
1 files changed, 73 insertions, 34 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index c4ca1629f532..fe50242aa9e6 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -54,7 +54,7 @@
#define DRV_EXTRAVERSION "-k2"
-#define DRV_VERSION "1.2.7" DRV_EXTRAVERSION
+#define DRV_VERSION "1.2.20" DRV_EXTRAVERSION
char e1000e_driver_name[] = "e1000e";
const char e1000e_driver_version[] = DRV_VERSION;
@@ -1325,7 +1325,7 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_adapter *adapter,
goto next_desc;
}
-#define rxtop rx_ring->rx_skb_top
+#define rxtop (rx_ring->rx_skb_top)
if (!(status & E1000_RXD_STAT_EOP)) {
/* this descriptor is only the beginning (or middle) */
if (!rxtop) {
@@ -1806,9 +1806,8 @@ void e1000e_set_interrupt_capability(struct e1000_adapter *adapter)
err = pci_enable_msix(adapter->pdev,
adapter->msix_entries,
adapter->num_vectors);
- if (err == 0) {
+ if (err == 0)
return;
- }
}
/* MSI-X failed, so fall through and try MSI */
e_err("Failed to initialize MSI-X interrupts. "
@@ -2059,10 +2058,9 @@ int e1000e_setup_tx_resources(struct e1000_adapter *adapter)
int err = -ENOMEM, size;
size = sizeof(struct e1000_buffer) * tx_ring->count;
- tx_ring->buffer_info = vmalloc(size);
+ tx_ring->buffer_info = vzalloc(size);
if (!tx_ring->buffer_info)
goto err;
- memset(tx_ring->buffer_info, 0, size);
/* round up to nearest 4K */
tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
@@ -2095,10 +2093,9 @@ int e1000e_setup_rx_resources(struct e1000_adapter *adapter)
int i, size, desc_len, err = -ENOMEM;
size = sizeof(struct e1000_buffer) * rx_ring->count;
- rx_ring->buffer_info = vmalloc(size);
+ rx_ring->buffer_info = vzalloc(size);
if (!rx_ring->buffer_info)
goto err;
- memset(rx_ring->buffer_info, 0, size);
for (i = 0; i < rx_ring->count; i++) {
buffer_info = &rx_ring->buffer_info[i];
@@ -2132,7 +2129,7 @@ err_pages:
}
err:
vfree(rx_ring->buffer_info);
- e_err("Unable to allocate memory for the transmit descriptor ring\n");
+ e_err("Unable to allocate memory for the receive descriptor ring\n");
return err;
}
@@ -2200,9 +2197,8 @@ void e1000e_free_rx_resources(struct e1000_adapter *adapter)
e1000_clean_rx_ring(adapter);
- for (i = 0; i < rx_ring->count; i++) {
+ for (i = 0; i < rx_ring->count; i++)
kfree(rx_ring->buffer_info[i].ps_pages);
- }
vfree(rx_ring->buffer_info);
rx_ring->buffer_info = NULL;
@@ -2242,20 +2238,18 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
/* handle TSO and jumbo frames */
if (bytes/packets > 8000)
retval = bulk_latency;
- else if ((packets < 5) && (bytes > 512)) {
+ else if ((packets < 5) && (bytes > 512))
retval = low_latency;
- }
break;
case low_latency: /* 50 usec aka 20000 ints/s */
if (bytes > 10000) {
/* this if handles the TSO accounting */
- if (bytes/packets > 8000) {
+ if (bytes/packets > 8000)
retval = bulk_latency;
- } else if ((packets < 10) || ((bytes/packets) > 1200)) {
+ else if ((packets < 10) || ((bytes/packets) > 1200))
retval = bulk_latency;
- } else if ((packets > 35)) {
+ else if ((packets > 35))
retval = lowest_latency;
- }
} else if (bytes/packets > 2000) {
retval = bulk_latency;
} else if (packets <= 2 && bytes < 512) {
@@ -2264,9 +2258,8 @@ static unsigned int e1000_update_itr(struct e1000_adapter *adapter,
break;
case bulk_latency: /* 250 usec aka 4000 ints/s */
if (bytes > 25000) {
- if (packets > 35) {
+ if (packets > 35)
retval = low_latency;
- }
} else if (bytes < 6000) {
retval = low_latency;
}
@@ -4475,7 +4468,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter, struct sk_buff *skb)
break;
}
- css = skb_transport_offset(skb);
+ css = skb_checksum_start_offset(skb);
i = tx_ring->next_to_use;
buffer_info = &tx_ring->buffer_info[i];
@@ -4595,7 +4588,7 @@ dma_error:
i += tx_ring->count;
i--;
buffer_info = &tx_ring->buffer_info[i];
- e1000_put_txbuf(adapter, buffer_info);;
+ e1000_put_txbuf(adapter, buffer_info);
}
return 0;
@@ -4631,7 +4624,7 @@ static void e1000_tx_queue(struct e1000_adapter *adapter,
i = tx_ring->next_to_use;
- while (count--) {
+ do {
buffer_info = &tx_ring->buffer_info[i];
tx_desc = E1000_TX_DESC(*tx_ring, i);
tx_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
@@ -4642,7 +4635,7 @@ static void e1000_tx_queue(struct e1000_adapter *adapter,
i++;
if (i == tx_ring->count)
i = 0;
- }
+ } while (--count > 0);
tx_desc->lower.data |= cpu_to_le32(adapter->txd_cmd);
@@ -5465,6 +5458,36 @@ static void e1000_shutdown(struct pci_dev *pdev)
}
#ifdef CONFIG_NET_POLL_CONTROLLER
+
+static irqreturn_t e1000_intr_msix(int irq, void *data)
+{
+ struct net_device *netdev = data;
+ struct e1000_adapter *adapter = netdev_priv(netdev);
+ int vector, msix_irq;
+
+ if (adapter->msix_entries) {
+ vector = 0;
+ msix_irq = adapter->msix_entries[vector].vector;
+ disable_irq(msix_irq);
+ e1000_intr_msix_rx(msix_irq, netdev);
+ enable_irq(msix_irq);
+
+ vector++;
+ msix_irq = adapter->msix_entries[vector].vector;
+ disable_irq(msix_irq);
+ e1000_intr_msix_tx(msix_irq, netdev);
+ enable_irq(msix_irq);
+
+ vector++;
+ msix_irq = adapter->msix_entries[vector].vector;
+ disable_irq(msix_irq);
+ e1000_msix_other(msix_irq, netdev);
+ enable_irq(msix_irq);
+ }
+
+ return IRQ_HANDLED;
+}
+
/*
* Polling 'interrupt' - used by things like netconsole to send skbs
* without having to re-enable interrupts. It's not called while
@@ -5474,10 +5497,21 @@ static void e1000_netpoll(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
- disable_irq(adapter->pdev->irq);
- e1000_intr(adapter->pdev->irq, netdev);
-
- enable_irq(adapter->pdev->irq);
+ switch (adapter->int_mode) {
+ case E1000E_INT_MODE_MSIX:
+ e1000_intr_msix(adapter->pdev->irq, netdev);
+ break;
+ case E1000E_INT_MODE_MSI:
+ disable_irq(adapter->pdev->irq);
+ e1000_intr_msi(adapter->pdev->irq, netdev);
+ enable_irq(adapter->pdev->irq);
+ break;
+ default: /* E1000E_INT_MODE_LEGACY */
+ disable_irq(adapter->pdev->irq);
+ e1000_intr(adapter->pdev->irq, netdev);
+ enable_irq(adapter->pdev->irq);
+ break;
+ }
}
#endif
@@ -5587,7 +5621,8 @@ static void e1000_print_device_info(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
struct net_device *netdev = adapter->netdev;
- u32 pba_num;
+ u32 ret_val;
+ u8 pba_str[E1000_PBANUM_LENGTH];
/* print bus type/speed/width info */
e_info("(PCI Express:2.5GB/s:%s) %pM\n",
@@ -5598,9 +5633,12 @@ static void e1000_print_device_info(struct e1000_adapter *adapter)
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);
- e_info("MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
- hw->mac.type, hw->phy.type, (pba_num >> 8), (pba_num & 0xff));
+ ret_val = e1000_read_pba_string_generic(hw, pba_str,
+ E1000_PBANUM_LENGTH);
+ if (ret_val)
+ strcpy(pba_str, "Unknown");
+ e_info("MAC: %d, PHY: %d, PBA No: %s\n",
+ hw->mac.type, hw->phy.type, pba_str);
}
static void e1000_eeprom_checks(struct e1000_adapter *adapter)
@@ -5864,6 +5902,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
INIT_WORK(&adapter->downshift_task, e1000e_downshift_workaround);
INIT_WORK(&adapter->update_phy_task, e1000e_update_phy_task);
INIT_WORK(&adapter->print_hang_task, e1000_print_hw_hang);
+ INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
/* Initialize link parameters. User can change them with ethtool */
adapter->hw.mac.autoneg = 1;
@@ -5984,8 +6023,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
bool down = test_bit(__E1000_DOWN, &adapter->state);
/*
- * flush_scheduled work may reschedule our watchdog task, so
- * explicitly disable watchdog tasks from being rescheduled
+ * The timers may be rescheduled, so explicitly disable them
+ * from being rescheduled.
*/
if (!down)
set_bit(__E1000_DOWN, &adapter->state);
@@ -5996,8 +6035,8 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
cancel_work_sync(&adapter->watchdog_task);
cancel_work_sync(&adapter->downshift_task);
cancel_work_sync(&adapter->update_phy_task);
+ cancel_work_sync(&adapter->led_blink_task);
cancel_work_sync(&adapter->print_hang_task);
- flush_scheduled_work();
if (!(netdev->flags & IFF_UP))
e1000_power_down_phy(adapter);