diff options
| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2006-03-02 18:19:30 -0800 |
|---|---|---|
| committer | root <root@jk-desktop.jf.intel.com> | 2006-03-02 18:19:30 -0800 |
| commit | 7e6c9861bbc2fcd2438da910c006781784968a7c (patch) | |
| tree | 42737b91df1aec190e0c930cc1e9d426316e8b29 /drivers/net/e1000/e1000_main.c | |
| parent | 8491682986e04fe7b258e5ba1d22f9a0ea2d803e (diff) | |
e1000: Fix network problems when forced at 100Mb/s and to fix TSO when forced at 100Mb/s
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: John Ronciak <john.ronciak@intel.com>
Diffstat (limited to 'drivers/net/e1000/e1000_main.c')
| -rw-r--r-- | drivers/net/e1000/e1000_main.c | 67 |
1 files changed, 57 insertions, 10 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index aad5373a8ae..6ee8ed5606f 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -1405,10 +1405,13 @@ e1000_configure_tx(struct e1000_adapter *adapter) tctl = E1000_READ_REG(hw, TCTL); tctl &= ~E1000_TCTL_CT; - tctl |= E1000_TCTL_EN | E1000_TCTL_PSP | E1000_TCTL_RTLC | + tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC | (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT); - E1000_WRITE_REG(hw, TCTL, tctl); +#ifdef DISABLE_MULR + /* disable Multiple Reads for debugging */ + tctl &= ~E1000_TCTL_MULR; +#endif if (hw->mac_type == e1000_82571 || hw->mac_type == e1000_82572) { tarc = E1000_READ_REG(hw, TARC0); @@ -1439,6 +1442,9 @@ e1000_configure_tx(struct e1000_adapter *adapter) if (hw->mac_type == e1000_82544 && hw->bus_type == e1000_bus_type_pcix) adapter->pcix_82544 = 1; + + E1000_WRITE_REG(hw, TCTL, tctl); + } /** @@ -2243,7 +2249,7 @@ e1000_watchdog_task(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct e1000_tx_ring *txdr = adapter->tx_ring; - uint32_t link; + uint32_t link, tctl; e1000_check_for_link(&adapter->hw); if (adapter->hw.mac_type == e1000_82573) { @@ -2269,20 +2275,61 @@ e1000_watchdog_task(struct e1000_adapter *adapter) adapter->link_duplex == FULL_DUPLEX ? "Full Duplex" : "Half Duplex"); - /* tweak tx_queue_len according to speed/duplex */ + /* tweak tx_queue_len according to speed/duplex + * and adjust the timeout factor */ netdev->tx_queue_len = adapter->tx_queue_len; adapter->tx_timeout_factor = 1; - if (adapter->link_duplex == HALF_DUPLEX) { + adapter->txb2b = 1; + switch (adapter->link_speed) { + case SPEED_10: + adapter->txb2b = 0; + netdev->tx_queue_len = 10; + adapter->tx_timeout_factor = 8; + break; + case SPEED_100: + adapter->txb2b = 0; + netdev->tx_queue_len = 100; + /* maybe add some timeout factor ? */ + break; + } + + if ((adapter->hw.mac_type == e1000_82571 || + adapter->hw.mac_type == e1000_82572) && + adapter->txb2b == 0) { +#define SPEED_MODE_BIT (1 << 21) + uint32_t tarc0; + tarc0 = E1000_READ_REG(&adapter->hw, TARC0); + tarc0 &= ~SPEED_MODE_BIT; + 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 && + adapter->hw.bus_type == e1000_bus_type_pci_express){ switch (adapter->link_speed) { case SPEED_10: - netdev->tx_queue_len = 10; - adapter->tx_timeout_factor = 8; - break; case SPEED_100: - netdev->tx_queue_len = 100; + DPRINTK(PROBE,INFO, + "10/100 speed: disabling TSO\n"); + netdev->features &= ~NETIF_F_TSO; + break; + case SPEED_1000: + netdev->features |= NETIF_F_TSO; + break; + default: + /* oops */ break; } } +#endif + + /* enable transmits in the hardware, need to do this + * after setting TARC0 */ + tctl = E1000_READ_REG(&adapter->hw, TCTL); + tctl |= E1000_TCTL_EN; + E1000_WRITE_REG(&adapter->hw, TCTL, tctl); netif_carrier_on(netdev); netif_wake_queue(netdev); @@ -3319,7 +3366,7 @@ e1000_clean_tx_irq(struct e1000_adapter *adapter, adapter->detect_tx_hung = FALSE; if (tx_ring->buffer_info[eop].dma && time_after(jiffies, tx_ring->buffer_info[eop].time_stamp + - adapter->tx_timeout_factor * HZ) + (adapter->tx_timeout_factor * HZ)) && !(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_TXOFF)) { |