Auto-update from upstream

1 files changed, 82 insertions, 131 deletions

diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c
index ae734393475..9a76ac180b1 100644
--- a/drivers/net/sk98lin/skge.c
+++ b/drivers/net/sk98lin/skge.c
@@ -107,10 +107,10 @@
 
 #include        "h/skversion.h"
 
+#include        <linux/in.h>
 #include        <linux/module.h>
 #include        <linux/moduleparam.h>
 #include        <linux/init.h>
-#include        <linux/proc_fs.h>
 #include        <linux/dma-mapping.h>
 #include        <linux/ip.h>
 
@@ -206,7 +206,6 @@ static void	SkGeSetRxMode(struct SK_NET_DEVICE *dev);
 static struct   net_device_stats *SkGeStats(struct SK_NET_DEVICE *dev);
 static int      SkGeIoctl(struct SK_NET_DEVICE *dev, struct ifreq *rq, int cmd);
 static void     GetConfiguration(SK_AC*);
-static void     ProductStr(SK_AC*);
 static int      XmitFrame(SK_AC*, TX_PORT*, struct sk_buff*);
 static void     FreeTxDescriptors(SK_AC*pAC, TX_PORT*);
 static void     FillRxRing(SK_AC*, RX_PORT*);
@@ -235,28 +234,6 @@ static int      SkDrvDeInitAdapter(SK_AC *pAC, int devNbr);
  * Extern Function Prototypes
  *
  ******************************************************************************/
-static const char       SKRootName[] = "net/sk98lin";
-static struct           proc_dir_entry *pSkRootDir;
-extern struct   file_operations sk_proc_fops;
-
-static inline void SkGeProcCreate(struct net_device *dev)
-{
-        struct proc_dir_entry *pe;
-
-        if (pSkRootDir && 
-            (pe = create_proc_entry(dev->name, S_IRUGO, pSkRootDir))) {
-                pe->proc_fops = &sk_proc_fops;
-                pe->data = dev;
-                pe->owner = THIS_MODULE;
-        }
-}
- 
-static inline void SkGeProcRemove(struct net_device *dev)
-{
-        if (pSkRootDir)
-                remove_proc_entry(dev->name, pSkRootDir);
-}
-
 extern void SkDimEnableModerationIfNeeded(SK_AC *pAC);  
 extern void SkDimDisplayModerationSettings(SK_AC *pAC);
 extern void SkDimStartModerationTimer(SK_AC *pAC);
@@ -279,6 +256,27 @@ static uintptr_t RxQueueAddr[SK_MAX_MACS] = {0x400, 0x480};
 
 /*****************************************************************************
  *
+ *      SkPciWriteCfgDWord - write a 32 bit value to pci config space
+ *
+ * Description:
+ *      This routine writes a 32 bit value to the pci configuration
+ *      space.
+ *
+ * Returns:
+ *      0 - indicate everything worked ok.
+ *      != 0 - error indication
+ */
+static inline int SkPciWriteCfgDWord(
+SK_AC *pAC,     /* Adapter Control structure pointer */
+int PciAddr,            /* PCI register address */
+SK_U32 Val)             /* pointer to store the read value */
+{
+        pci_write_config_dword(pAC->PciDev, PciAddr, Val);
+        return(0);
+} /* SkPciWriteCfgDWord */
+
+/*****************************************************************************
+ *
  *      SkGeInitPCI - Init the PCI resources
  *
  * Description:
@@ -300,7 +298,7 @@ int SkGeInitPCI(SK_AC *pAC)
         dev->mem_start = pci_resource_start (pdev, 0);
         pci_set_master(pdev);
 
-        if (pci_request_regions(pdev, pAC->Name) != 0) {
+        if (pci_request_regions(pdev, "sk98lin") != 0) {
                 retval = 2;
                 goto out_disable;
         }
@@ -578,10 +576,10 @@ SK_BOOL	DualNet;
         spin_unlock_irqrestore(&pAC->SlowPathLock, Flags);
 
         if (pAC->GIni.GIMacsFound == 2) {
-                 Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev);
+                 Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, "sk98lin", dev);
         } else if (pAC->GIni.GIMacsFound == 1) {
                 Ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ,
-                        pAC->Name, dev);
+                        "sk98lin", dev);
         } else {
                 printk(KERN_WARNING "sk98lin: Illegal number of ports: %d\n",
                        pAC->GIni.GIMacsFound);
@@ -1265,7 +1263,6 @@ struct SK_NET_DEVICE	*dev)
         spin_unlock_irqrestore(&pAC->SlowPathLock, Flags);
 
         pAC->MaxPorts++;
-        pNet->Up = 1;
 
 
         SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY,
@@ -1395,7 +1392,6 @@ struct SK_NET_DEVICE	*dev)
                         sizeof(SK_PNMI_STRUCT_DATA));
 
         pAC->MaxPorts--;
-        pNet->Up = 0;
 
         return (0);
 } /* SkGeClose */
@@ -2175,7 +2171,6 @@ rx_start:
                 pMsg->ip_summed = CHECKSUM_NONE;
 #endif
 
-
                 SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("V"));
                 ForRlmt = SK_RLMT_RX_PROTOCOL;
 #if 0
@@ -2550,7 +2545,7 @@ unsigned long		Flags;
 static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int NewMtu)
 {
 DEV_NET         *pNet;
-DEV_NET         *pOtherNet;
+struct net_device *pOtherDev;
 SK_AC           *pAC;
 unsigned long   Flags;
 int             i;
@@ -2580,11 +2575,11 @@ SK_EVPARA 	EvPara;
         }
 #endif
 
-        pNet->Mtu = NewMtu;
-        pOtherNet = netdev_priv(pAC->dev[1 - pNet->NetNr]);
-        if ((pOtherNet->Mtu>1500) && (NewMtu<=1500) && (pOtherNet->Up==1)) {
-                return(0);
-        }
+        pOtherDev = pAC->dev[1 - pNet->NetNr];
+
+        if ( netif_running(pOtherDev) && (pOtherDev->mtu > 1500)
+             && (NewMtu <= 1500))
+                return 0;
 
         pAC->RxBufSize = NewMtu + 32;
         dev->mtu = NewMtu;
@@ -2746,7 +2741,8 @@ SK_EVPARA 	EvPara;
                 EvPara.Para32[1] = -1;
                 SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara);
                         
-                if (pOtherNet->Up) {
+                if (netif_running(pOtherDev)) {
+                        DEV_NET *pOtherNet = netdev_priv(pOtherDev);
                         EvPara.Para32[0] = pOtherNet->PortNr;
                         SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara);
                 }
@@ -2820,7 +2816,7 @@ unsigned long	Flags;			/* for spin lock */
         pAC->stats.rx_bytes = (SK_U32) pPnmiStruct->RxOctetsDeliveredCts;
         pAC->stats.tx_bytes = (SK_U32) pPnmiStat->StatTxOctetsOkCts;
         
-        if (pNet->Mtu <= 1500) {
+        if (dev->mtu <= 1500) {
                 pAC->stats.rx_errors = (SK_U32) pPnmiStruct->InErrorsCts & 0xFFFFFFFF;
         } else {
                 pAC->stats.rx_errors = (SK_U32) ((pPnmiStruct->InErrorsCts -
@@ -3771,25 +3767,21 @@ int	Capabilities[3][3] =
  *
  * Returns: N/A
  */
-static void ProductStr(
-SK_AC   *pAC            /* pointer to adapter context */
+static inline int ProductStr(
+        SK_AC   *pAC,           /* pointer to adapter context */
+        char    *DeviceStr,     /* result string */
+        int      StrLen         /* length of the string */
 )
 {
-int     StrLen = 80;            /* length of the string, defined in SK_AC */
 char    Keyword[] = VPD_NAME;   /* vpd productname identifier */
 int     ReturnCode;             /* return code from vpd_read */
 unsigned long Flags;
 
         spin_lock_irqsave(&pAC->SlowPathLock, Flags);
-        ReturnCode = VpdRead(pAC, pAC->IoBase, Keyword, pAC->DeviceStr,
-                &StrLen);
+        ReturnCode = VpdRead(pAC, pAC->IoBase, Keyword, DeviceStr, &StrLen);
         spin_unlock_irqrestore(&pAC->SlowPathLock, Flags);
-        if (ReturnCode != 0) {
-                /* there was an error reading the vpd data */
-                SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ERROR,
-                        ("Error reading VPD data: %d\n", ReturnCode));
-                pAC->DeviceStr[0] = '\0';
-        }
+
+        return ReturnCode;
 } /* ProductStr */
 
 /*****************************************************************************
@@ -3992,28 +3984,6 @@ SK_U8 *pVal)		/* pointer to store the read value */
 
 /*****************************************************************************
  *
- *      SkPciWriteCfgDWord - write a 32 bit value to pci config space
- *
- * Description:
- *      This routine writes a 32 bit value to the pci configuration
- *      space.
- *
- * Returns:
- *      0 - indicate everything worked ok.
- *      != 0 - error indication
- */
-int SkPciWriteCfgDWord(
-SK_AC *pAC,     /* Adapter Control structure pointer */
-int PciAddr,            /* PCI register address */
-SK_U32 Val)             /* pointer to store the read value */
-{
-        pci_write_config_dword(pAC->PciDev, PciAddr, Val);
-        return(0);
-} /* SkPciWriteCfgDWord */
-
-
-/*****************************************************************************
- *
  *      SkPciWriteCfgWord - write a 16 bit value to pci config space
  *
  * Description:
@@ -4150,6 +4120,7 @@ SK_BOOL		DualNet;
                         Flags);
                 break;
         case SK_DRV_NET_UP:      /* SK_U32 PortIdx */
+        {       struct net_device *dev = pAC->dev[Param.Para32[0]];
                 /* action list 5 */
                 FromPort = Param.Para32[0];
                 SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT,
@@ -4233,22 +4204,12 @@ SK_BOOL		DualNet;
                         printk("    irq moderation:  disabled\n");
 
 
-#ifdef SK_ZEROCOPY
-                if (pAC->ChipsetType)
-#ifdef USE_SK_TX_CHECKSUM
-                        printk("    scatter-gather:  enabled\n");
-#else
-                        printk("    tx-checksum:     disabled\n");
-#endif
-                else
-                        printk("    scatter-gather:  disabled\n");
-#else
-                        printk("    scatter-gather:  disabled\n");
-#endif
-
-#ifndef USE_SK_RX_CHECKSUM
-                        printk("    rx-checksum:     disabled\n");
-#endif
+                printk("    scatter-gather:  %s\n",
+                       (dev->features & NETIF_F_SG) ? "enabled" : "disabled");
+                printk("    tx-checksum:     %s\n",
+                       (dev->features & NETIF_F_IP_CSUM) ? "enabled" : "disabled");
+                printk("    rx-checksum:     %s\n",
+                       pAC->RxPort[Param.Para32[0]].RxCsum ? "enabled" : "disabled");
 
                 } else {
                         DoPrintInterfaceChange = SK_TRUE;
@@ -4263,9 +4224,9 @@ SK_BOOL		DualNet;
                 }
 
                 /* Inform the world that link protocol is up. */
-                netif_carrier_on(pAC->dev[Param.Para32[0]]);
-
+                netif_carrier_on(dev);
                 break;
+        }
         case SK_DRV_NET_DOWN:    /* SK_U32 Reason */
                 /* action list 7 */
                 SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT,
@@ -4479,7 +4440,7 @@ SK_AC   *pAc)   /* pointer to adapter context */
 
         pAC->DiagModeActive = DIAG_ACTIVE;
         if (pAC->BoardLevel > SK_INIT_DATA) {
-                if (pNet->Up) {
+                if (netif_running(pAC->dev[0])) {
                         pAC->WasIfUp[0] = SK_TRUE;
                         pAC->DiagFlowCtrl = SK_TRUE; /* for SkGeClose      */
                         DoPrintInterfaceChange = SK_FALSE;
@@ -4489,7 +4450,7 @@ SK_AC   *pAc)   /* pointer to adapter context */
                 }
                 if (pNet != netdev_priv(pAC->dev[1])) {
                         pNet = netdev_priv(pAC->dev[1]);
-                        if (pNet->Up) {
+                        if (netif_running(pAC->dev[1])) {
                                 pAC->WasIfUp[1] = SK_TRUE;
                                 pAC->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */
                                 DoPrintInterfaceChange = SK_FALSE;
@@ -4815,6 +4776,7 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
         struct net_device       *dev = NULL;
         static int boards_found = 0;
         int error = -ENODEV;
+        char DeviceStr[80];
 
         if (pci_enable_device(pdev))
                 goto out;
@@ -4842,14 +4804,11 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
         memset(pNet->pAC, 0, sizeof(SK_AC));
         pAC = pNet->pAC;
         pAC->PciDev = pdev;
-        pAC->PciDevId = pdev->device;
+
         pAC->dev[0] = dev;
         pAC->dev[1] = dev;
-        sprintf(pAC->Name, "SysKonnect SK-98xx");
         pAC->CheckQueue = SK_FALSE;
 
-        pNet->Mtu = 1500;
-        pNet->Up = 0;
         dev->irq = pdev->irq;
         error = SkGeInitPCI(pAC);
         if (error) {
@@ -4872,21 +4831,30 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
         SET_NETDEV_DEV(dev, &pdev->dev);
         SET_ETHTOOL_OPS(dev, &SkGeEthtoolOps);
 
-#ifdef SK_ZEROCOPY
-#ifdef USE_SK_TX_CHECKSUM
+        /* Use only if yukon hardware */
         if (pAC->ChipsetType) {
-                /* Use only if yukon hardware */
-                /* SK and ZEROCOPY - fly baby... */
-                dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
-        }
+#ifdef USE_SK_TX_CHECKSUM
+                dev->features |= NETIF_F_IP_CSUM;
+#endif
+#ifdef SK_ZEROCOPY
+                dev->features |= NETIF_F_SG;
 #endif
+#ifdef USE_SK_RX_CHECKSUM
+                pAC->RxPort[0].RxCsum = 1;
 #endif
+        }
 
         pAC->Index = boards_found++;
 
         if (SkGeBoardInit(dev, pAC))
                 goto out_free_netdev;
 
+        /* Read Adapter name from VPD */
+        if (ProductStr(pAC, DeviceStr, sizeof(DeviceStr)) != 0) {
+                printk(KERN_ERR "sk98lin: Could not read VPD data.\n");
+                goto out_free_resources;
+        }
+
         /* Register net device */
         if (register_netdev(dev)) {
                 printk(KERN_ERR "sk98lin: Could not register device.\n");
@@ -4894,8 +4862,7 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
         }
 
         /* Print adapter specific string from vpd */
-        ProductStr(pAC);
-        printk("%s: %s\n", dev->name, pAC->DeviceStr);
+        printk("%s: %s\n", dev->name, DeviceStr);
 
         /* Print configuration settings */
         printk("      PrefPort:%c  RlmtMode:%s\n",
@@ -4911,8 +4878,6 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
         memcpy(&dev->dev_addr, &pAC->Addr.Net[0].CurrentMacAddress, 6);
         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
 
-        SkGeProcCreate(dev);
-
         pNet->PortNr = 0;
         pNet->NetNr  = 0;
 
@@ -4931,8 +4896,6 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
                 pNet->PortNr  = 1;
                 pNet->NetNr   = 1;
                 pNet->pAC     = pAC;
-                pNet->Mtu     = 1500;
-                pNet->Up      = 0;
 
                 dev->open               = &SkGeOpen;
                 dev->stop               = &SkGeClose;
@@ -4945,26 +4908,28 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
                 SET_NETDEV_DEV(dev, &pdev->dev);
                 SET_ETHTOOL_OPS(dev, &SkGeEthtoolOps);
 
-#ifdef SK_ZEROCOPY
-#ifdef USE_SK_TX_CHECKSUM
                 if (pAC->ChipsetType) {
-                        /* SG and ZEROCOPY - fly baby... */
-                        dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
-                }
+#ifdef USE_SK_TX_CHECKSUM
+                        dev->features |= NETIF_F_IP_CSUM;
+#endif
+#ifdef SK_ZEROCOPY
+                        dev->features |= NETIF_F_SG;
 #endif
+#ifdef USE_SK_RX_CHECKSUM
+                        pAC->RxPort[1].RxCsum = 1;
 #endif
+                }
 
                 if (register_netdev(dev)) {
                         printk(KERN_ERR "sk98lin: Could not register device for seconf port.\n");
                         free_netdev(dev);
                         pAC->dev[1] = pAC->dev[0];
                 } else {
-                        SkGeProcCreate(dev);
                         memcpy(&dev->dev_addr,
                                         &pAC->Addr.Net[1].CurrentMacAddress, 6);
                         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
         
-                        printk("%s: %s\n", dev->name, pAC->DeviceStr);
+                        printk("%s: %s\n", dev->name, DeviceStr);
                         printk("      PrefPort:B  RlmtMode:Dual Check Link State\n");
                 }
         }
@@ -5000,10 +4965,7 @@ static void __devexit skge_remove_one(struct pci_dev *pdev)
         SK_AC *pAC = pNet->pAC;
         struct net_device *otherdev = pAC->dev[1];
 
-        SkGeProcRemove(dev);
         unregister_netdev(dev);
-        if (otherdev != dev)
-                SkGeProcRemove(otherdev);
 
         SkGeYellowLED(pAC, pAC->IoBase, 0);
 
@@ -5088,9 +5050,9 @@ static int skge_resume(struct pci_dev *pdev)
         pci_enable_device(pdev);
         pci_set_master(pdev);
         if (pAC->GIni.GIMacsFound == 2)
-                ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, pAC->Name, dev);
+                ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, "sk98lin", dev);
         else
-                ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, pAC->Name, dev);
+                ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, "sk98lin", dev);
         if (ret) {
                 printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq);
                 pAC->AllocFlag &= ~SK_ALLOC_IRQ;
@@ -5148,23 +5110,12 @@ static struct pci_driver skge_driver = {
 
 static int __init skge_init(void)
 {
-        int error;
-
-        pSkRootDir = proc_mkdir(SKRootName, NULL);
-        if (pSkRootDir) 
-                pSkRootDir->owner = THIS_MODULE;
-        
-        error = pci_register_driver(&skge_driver);
-        if (error)
-                remove_proc_entry(SKRootName, NULL);
-        return error;
+        return pci_module_init(&skge_driver);
 }
 
 static void __exit skge_exit(void)
 {
         pci_unregister_driver(&skge_driver);
-        remove_proc_entry(SKRootName, NULL);
-
 }
 
 module_init(skge_init);