[PATCH] drivers/net/Kconfig: indentation fix

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

diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 7164678..b538e30 100644 (file)
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -25,6 +25,7 @@
  */
 
 #include <linux/config.h>
+#include <linux/in.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -43,7 +44,7 @@
 #include "skge.h"
 
 #define DRV_NAME               "skge"
-#define DRV_VERSION            "1.2"
+#define DRV_VERSION            "1.3"
 #define PFX                    DRV_NAME " "
 
 #define DEFAULT_TX_RING_SIZE   128
@@ -88,15 +89,14 @@ MODULE_DEVICE_TABLE(pci, skge_id_table);
 
 static int skge_up(struct net_device *dev);
 static int skge_down(struct net_device *dev);
+static void skge_phy_reset(struct skge_port *skge);
 static void skge_tx_clean(struct skge_port *skge);
 static int xm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
 static int gm_phy_write(struct skge_hw *hw, int port, u16 reg, u16 val);
 static void genesis_get_stats(struct skge_port *skge, u64 *data);
 static void yukon_get_stats(struct skge_port *skge, u64 *data);
 static void yukon_init(struct skge_hw *hw, int port);
-static void yukon_reset(struct skge_hw *hw, int port);
 static void genesis_mac_init(struct skge_hw *hw, int port);
-static void genesis_reset(struct skge_hw *hw, int port);
 static void genesis_link_up(struct skge_port *skge);
 
 /* Avoid conditionals by using array */
@@ -276,10 +276,9 @@ static int skge_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
        skge->autoneg = ecmd->autoneg;
        skge->advertising = ecmd->advertising;
 
-       if (netif_running(dev)) {
-               skge_down(dev);
-               skge_up(dev);
-       }
+       if (netif_running(dev))
+               skge_phy_reset(skge);
+
        return (0);
 }
 
@@ -399,6 +398,7 @@ static int skge_set_ring_param(struct net_device *dev,
                               struct ethtool_ringparam *p)
 {
        struct skge_port *skge = netdev_priv(dev);
+       int err;
 
        if (p->rx_pending == 0 || p->rx_pending > MAX_RX_RING_SIZE ||
            p->tx_pending == 0 || p->tx_pending > MAX_TX_RING_SIZE)
@@ -409,7 +409,9 @@ static int skge_set_ring_param(struct net_device *dev,
 
        if (netif_running(dev)) {
                skge_down(dev);
-               skge_up(dev);
+               err = skge_up(dev);
+               if (err)
+                       dev_close(dev);
        }
 
        return 0;
@@ -430,21 +432,11 @@ static void skge_set_msglevel(struct net_device *netdev, u32 value)
 static int skge_nway_reset(struct net_device *dev)
 {
        struct skge_port *skge = netdev_priv(dev);
-       struct skge_hw *hw = skge->hw;
-       int port = skge->port;
 
        if (skge->autoneg != AUTONEG_ENABLE || !netif_running(dev))
                return -EINVAL;
 
-       spin_lock_bh(&hw->phy_lock);
-       if (hw->chip_id == CHIP_ID_GENESIS) {
-               genesis_reset(hw, port);
-               genesis_mac_init(hw, port);
-       } else {
-               yukon_reset(hw, port);
-               yukon_init(hw, port);
-       }
-       spin_unlock_bh(&hw->phy_lock);
+       skge_phy_reset(skge);
        return 0;
 }
 
@@ -516,10 +508,8 @@ static int skge_set_pauseparam(struct net_device *dev,
        else
                skge->flow_control = FLOW_MODE_NONE;
 
-       if (netif_running(dev)) {
-               skge_down(dev);
-               skge_up(dev);
-       }
+       if (netif_running(dev))
+               skge_phy_reset(skge);
        return 0;
 }
 
@@ -2019,6 +2009,25 @@ static void yukon_phy_intr(struct skge_port *skge)
        /* XXX restart autonegotiation? */
 }
 
+static void skge_phy_reset(struct skge_port *skge)
+{
+       struct skge_hw *hw = skge->hw;
+       int port = skge->port;
+
+       netif_stop_queue(skge->netdev);
+       netif_carrier_off(skge->netdev);
+
+       spin_lock_bh(&hw->phy_lock);
+       if (hw->chip_id == CHIP_ID_GENESIS) {
+               genesis_reset(hw, port);
+               genesis_mac_init(hw, port);
+       } else {
+               yukon_reset(hw, port);
+               yukon_init(hw, port);
+       }
+       spin_unlock_bh(&hw->phy_lock);
+}
+
 /* Basic MII support */
 static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 {
@@ -2187,6 +2196,7 @@ static int skge_up(struct net_device *dev)
        kfree(skge->rx_ring.start);
  free_pci_mem:
        pci_free_consistent(hw->pdev, skge->mem_size, skge->mem, skge->dma);
+       skge->mem = NULL;
 
        return err;
 }
@@ -2197,6 +2207,9 @@ static int skge_down(struct net_device *dev)
        struct skge_hw *hw = skge->hw;
        int port = skge->port;
 
+       if (skge->mem == NULL)
+               return 0;
+
        if (netif_msg_ifdown(skge))
                printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
 
@@ -2253,6 +2266,7 @@ static int skge_down(struct net_device *dev)
        kfree(skge->rx_ring.start);
        kfree(skge->tx_ring.start);
        pci_free_consistent(hw->pdev, skge->mem_size, skge->mem, skge->dma);
+       skge->mem = NULL;
        return 0;
 }
 
@@ -2280,11 +2294,13 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
        }
 
        if (unlikely(skge->tx_avail < skb_shinfo(skb)->nr_frags +1)) {
-               netif_stop_queue(dev);
-               spin_unlock_irqrestore(&skge->tx_lock, flags);
+               if (!netif_queue_stopped(dev)) {
+                       netif_stop_queue(dev);
 
-               printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
-                      dev->name);
+                       printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
+                              dev->name);
+               }
+               spin_unlock_irqrestore(&skge->tx_lock, flags);
                return NETDEV_TX_BUSY;
        }
 
@@ -2411,18 +2427,23 @@ static void skge_tx_timeout(struct net_device *dev)
 
 static int skge_change_mtu(struct net_device *dev, int new_mtu)
 {
-       int err = 0;
-       int running = netif_running(dev);
+       int err;
 
        if (new_mtu < ETH_ZLEN || new_mtu > ETH_JUMBO_MTU)
                return -EINVAL;
 
+       if (!netif_running(dev)) {
+               dev->mtu = new_mtu;
+               return 0;
+       }
+
+       skge_down(dev);
 
-       if (running)
-               skge_down(dev);
        dev->mtu = new_mtu;
-       if (running)
-               skge_up(dev);
+
+       err = skge_up(dev);
+       if (err)
+               dev_close(dev);
 
        return err;
 }
@@ -3396,8 +3417,8 @@ static int skge_resume(struct pci_dev *pdev)
                struct net_device *dev = hw->dev[i];
                if (dev) {
                        netif_device_attach(dev);
-                       if (netif_running(dev))
-                               skge_up(dev);
+                       if (netif_running(dev) && skge_up(dev))
+                               dev_close(dev);
                }
        }
        return 0;