Merge branch 'core/xen' into x86/xen

[safe/jmp/linux-2.6] / drivers / net / igb / igb_ethtool.c

diff --git a/drivers/net/igb/igb_ethtool.c b/drivers/net/igb/igb_ethtool.c
index 7db1830..58906c9 100644 (file)
--- a/drivers/net/igb/igb_ethtool.c
+++ b/drivers/net/igb/igb_ethtool.c
@@ -373,13 +373,17 @@ static void igb_get_regs(struct net_device *netdev,
        regs_buff[12] = rd32(E1000_EECD);
 
        /* Interrupt */
-       regs_buff[13] = rd32(E1000_EICR);
+       /* Reading EICS for EICR because they read the
+        * same but EICS does not clear on read */
+       regs_buff[13] = rd32(E1000_EICS);
        regs_buff[14] = rd32(E1000_EICS);
        regs_buff[15] = rd32(E1000_EIMS);
        regs_buff[16] = rd32(E1000_EIMC);
        regs_buff[17] = rd32(E1000_EIAC);
        regs_buff[18] = rd32(E1000_EIAM);
-       regs_buff[19] = rd32(E1000_ICR);
+       /* Reading ICS for ICR because they read the
+        * same but ICS does not clear on read */
+       regs_buff[19] = rd32(E1000_ICS);
        regs_buff[20] = rd32(E1000_ICS);
        regs_buff[21] = rd32(E1000_IMS);
        regs_buff[22] = rd32(E1000_IMC);
@@ -1746,15 +1750,6 @@ static int igb_wol_exclusion(struct igb_adapter *adapter,
                /* return success for non excluded adapter ports */
                retval = 0;
                break;
-       case E1000_DEV_ID_82576_QUAD_COPPER:
-               /* quad port adapters only support WoL on port A */
-               if (!(adapter->flags & IGB_FLAG_QUAD_PORT_A)) {
-                       wol->supported = 0;
-                       break;
-               }
-               /* return success for non excluded adapter ports */
-               retval = 0;
-               break;
        default:
                /* dual port cards only support WoL on port A from now on
                 * unless it was enabled in the eeprom for port B
@@ -1861,6 +1856,8 @@ static int igb_set_coalesce(struct net_device *netdev,
                            struct ethtool_coalesce *ec)
 {
        struct igb_adapter *adapter = netdev_priv(netdev);
+       struct e1000_hw *hw = &adapter->hw;
+       int i;
 
        if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
            ((ec->rx_coalesce_usecs > 3) &&
@@ -1869,13 +1866,16 @@ static int igb_set_coalesce(struct net_device *netdev,
                return -EINVAL;
 
        /* convert to rate of irq's per second */
-       if (ec->rx_coalesce_usecs <= 3)
+       if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3) {
                adapter->itr_setting = ec->rx_coalesce_usecs;
-       else
-               adapter->itr_setting = (1000000 / ec->rx_coalesce_usecs);
+               adapter->itr = IGB_START_ITR;
+       } else {
+               adapter->itr_setting = ec->rx_coalesce_usecs << 2;
+               adapter->itr = adapter->itr_setting;
+       }
 
-       if (netif_running(netdev))
-               igb_reinit_locked(adapter);
+       for (i = 0; i < adapter->num_rx_queues; i++)
+               wr32(adapter->rx_ring[i].itr_register, adapter->itr);
 
        return 0;
 }
@@ -1888,7 +1888,7 @@ static int igb_get_coalesce(struct net_device *netdev,
        if (adapter->itr_setting <= 3)
                ec->rx_coalesce_usecs = adapter->itr_setting;
        else
-               ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
+               ec->rx_coalesce_usecs = adapter->itr_setting >> 2;
 
        return 0;
 }