ixgbe: Introduce Multiqueue TX

[linux-2.6] / drivers / net / ixgbe / ixgbe_ethtool.c

diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index a4e576a0c5435c3f16eccab1b7d7e35ade2ccb12..85b7d15e12171bc0cfc7038461d24c676154d022 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -96,29 +96,48 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
                ((((struct ixgbe_adapter *)netdev->priv)->num_tx_queues + \
                 ((struct ixgbe_adapter *)netdev->priv)->num_rx_queues) * \
                 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
-#define IXGBE_GLOBAL_STATS_LEN \
-       sizeof(ixgbe_gstrings_stats) / sizeof(struct ixgbe_stats)
+#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
 
 static int ixgbe_get_settings(struct net_device *netdev,
                              struct ethtool_cmd *ecmd)
 {
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
+       struct ixgbe_hw *hw = &adapter->hw;
+       u32 link_speed = 0;
+       bool link_up;
 
-       ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
-       ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
-       ecmd->port = PORT_FIBRE;
+       ecmd->supported = SUPPORTED_10000baseT_Full;
+       ecmd->autoneg = AUTONEG_ENABLE;
        ecmd->transceiver = XCVR_EXTERNAL;
+       if (hw->phy.media_type == ixgbe_media_type_copper) {
+               ecmd->supported |= (SUPPORTED_1000baseT_Full |
+                                   SUPPORTED_TP | SUPPORTED_Autoneg);
+
+               ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
+               if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
+                       ecmd->advertising |= ADVERTISED_10000baseT_Full;
+               if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
+                       ecmd->advertising |= ADVERTISED_1000baseT_Full;
+
+               ecmd->port = PORT_TP;
+       } else {
+               ecmd->supported |= SUPPORTED_FIBRE;
+               ecmd->advertising = (ADVERTISED_10000baseT_Full |
+                                    ADVERTISED_FIBRE);
+               ecmd->port = PORT_FIBRE;
+       }
 
-       if (netif_carrier_ok(adapter->netdev)) {
-               ecmd->speed = SPEED_10000;
+       adapter->hw.mac.ops.check_link(hw, &(link_speed), &link_up);
+       if (link_up) {
+               ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
+                               SPEED_10000 : SPEED_1000;
                ecmd->duplex = DUPLEX_FULL;
        } else {
                ecmd->speed = -1;
                ecmd->duplex = -1;
        }
 
-       ecmd->autoneg = AUTONEG_DISABLE;
        return 0;
 }
 
@@ -126,17 +145,17 @@ static int ixgbe_set_settings(struct net_device *netdev,
                              struct ethtool_cmd *ecmd)
 {
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
+       struct ixgbe_hw *hw = &adapter->hw;
 
-       if (ecmd->autoneg == AUTONEG_ENABLE ||
-           ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
-               return -EINVAL;
-
-       if (netif_running(adapter->netdev)) {
-               ixgbe_down(adapter);
-               ixgbe_reset(adapter);
-               ixgbe_up(adapter);
-       } else {
-               ixgbe_reset(adapter);
+       switch (hw->phy.media_type) {
+       case ixgbe_media_type_fiber:
+               if ((ecmd->autoneg == AUTONEG_ENABLE) ||
+                   (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
+                       return -EINVAL;
+               /* in this case we currently only support 10Gb/FULL */
+               break;
+       default:
+               break;
        }
 
        return 0;
@@ -148,7 +167,7 @@ static void ixgbe_get_pauseparam(struct net_device *netdev,
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        struct ixgbe_hw *hw = &adapter->hw;
 
-       pause->autoneg = AUTONEG_DISABLE;
+       pause->autoneg = (hw->fc.type == ixgbe_fc_full ? 1 : 0);
 
        if (hw->fc.type == ixgbe_fc_rx_pause) {
                pause->rx_pause = 1;
@@ -166,10 +185,8 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
        struct ixgbe_hw *hw = &adapter->hw;
 
-       if (pause->autoneg == AUTONEG_ENABLE)
-               return -EINVAL;
-
-       if (pause->rx_pause && pause->tx_pause)
+       if ((pause->autoneg == AUTONEG_ENABLE) ||
+           (pause->rx_pause && pause->tx_pause))
                hw->fc.type = ixgbe_fc_full;
        else if (pause->rx_pause && !pause->tx_pause)
                hw->fc.type = ixgbe_fc_rx_pause;
@@ -177,15 +194,15 @@ static int ixgbe_set_pauseparam(struct net_device *netdev,
                hw->fc.type = ixgbe_fc_tx_pause;
        else if (!pause->rx_pause && !pause->tx_pause)
                hw->fc.type = ixgbe_fc_none;
+       else
+               return -EINVAL;
 
        hw->fc.original_type = hw->fc.type;
 
-       if (netif_running(adapter->netdev)) {
-               ixgbe_down(adapter);
-               ixgbe_up(adapter);
-       } else {
+       if (netif_running(netdev))
+               ixgbe_reinit_locked(adapter);
+       else
                ixgbe_reset(adapter);
-       }
 
        return 0;
 }
@@ -204,12 +221,10 @@ static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
        else
                adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 
-       if (netif_running(netdev)) {
-               ixgbe_down(adapter);
-               ixgbe_up(adapter);
-       } else {
+       if (netif_running(netdev))
+               ixgbe_reinit_locked(adapter);
+       else
                ixgbe_reset(adapter);
-       }
 
        return 0;
 }
@@ -231,13 +246,26 @@ static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 
 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 {
-
        if (data) {
                netdev->features |= NETIF_F_TSO;
                netdev->features |= NETIF_F_TSO6;
        } else {
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+               struct ixgbe_adapter *adapter = netdev_priv(netdev);
+               int i;
+#endif
+               netif_stop_queue(netdev);
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+               for (i = 0; i < adapter->num_tx_queues; i++)
+                       netif_stop_subqueue(netdev, i);
+#endif
                netdev->features &= ~NETIF_F_TSO;
                netdev->features &= ~NETIF_F_TSO6;
+#ifdef CONFIG_NETDEVICES_MULTIQUEUE
+               for (i = 0; i < adapter->num_tx_queues; i++)
+                       netif_start_subqueue(netdev, i);
+#endif
+               netif_start_queue(netdev);
        }
        return 0;
 }
@@ -663,7 +691,10 @@ static int ixgbe_set_ringparam(struct net_device *netdev,
                return 0;
        }
 
-       if (netif_running(adapter->netdev))
+       while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
+               msleep(1);
+
+       if (netif_running(netdev))
                ixgbe_down(adapter);
 
        /*
@@ -734,6 +765,7 @@ err_setup:
        if (netif_running(adapter->netdev))
                ixgbe_up(adapter);
 
+       clear_bit(__IXGBE_RESETTING, &adapter->state);
        return err;
 }
 
@@ -821,11 +853,8 @@ static int ixgbe_nway_reset(struct net_device *netdev)
 {
        struct ixgbe_adapter *adapter = netdev_priv(netdev);
 
-       if (netif_running(netdev)) {
-               ixgbe_down(adapter);
-               ixgbe_reset(adapter);
-               ixgbe_up(adapter);
-       }
+       if (netif_running(netdev))
+               ixgbe_reinit_locked(adapter);
 
        return 0;
 }