diff options
Diffstat (limited to 'drivers/net/e1000e/netdev.c')
-rw-r--r-- | drivers/net/e1000e/netdev.c | 107 |
1 files changed, 73 insertions, 34 deletions
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index c4ca162..fe50242 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); |