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[PATCH] sk98lin: remove redundant fields in device info

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Shrink size of per device data by removing redundant fields
or things that are only used at boot up.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
shemminger@osdl.org 2005-11-23 22:00:53 -08:00 committed by Jeff Garzik
parent 09f5a21438
commit 8f7a17d12a
2 changed files with 34 additions and 44 deletions
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7
drivers/net/sk98lin/h/skdrv2nd.h
View file

@ -267,8 +267,6 @@ typedef struct s_DevNet DEV_NET;
struct s_DevNet {
int PortNr;
int NetNr;
int Mtu;
int Up;
SK_AC *pAC;
};
@ -390,12 +388,10 @@ struct s_AC {
SK_IOC IoBase; /* register set of adapter */
int BoardLevel; /* level of active hw init (0-2) */
char DeviceStr[80]; /* adapter string from vpd */
SK_U32 AllocFlag; /* flag allocation of resources */
struct pci_dev *PciDev; /* for access to pci config space */
SK_U32 PciDevId; /* pci device id */
struct SK_NET_DEVICE *dev[2]; /* pointer to device struct */
char Name[30]; /* driver name */
int RxBufSize; /* length of receive buffers */
struct net_device_stats stats; /* linux 'netstat -i' statistics */
@ -430,7 +426,6 @@ struct s_AC {
DIM_INFO DynIrqModInfo; /* all data related to DIM */
/* Only for tests */
int PortUp;
int PortDown;
int ChipsetType; /* Chipset family type
* 0 == Genesis family support

71
drivers/net/sk98lin/skge.c
View file

@ -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*);
@ -321,7 +320,7 @@ 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;
}
@ -599,10 +598,10 @@ 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);
@ -1286,7 +1285,6 @@ 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,
@ -1416,7 +1414,6 @@ struct SK_NET_DEVICE *dev)
sizeof(SK_PNMI_STRUCT_DATA));
pAC->MaxPorts--;
pNet->Up = 0;
return (0);
} /* SkGeClose */
@ -2568,7 +2565,7 @@ 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;
@ -2598,11 +2595,11 @@ 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;
@ -2764,7 +2761,8 @@ 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);
}
@ -2838,7 +2836,7 @@ 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 -
@ -3789,25 +3787,21 @@ 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 */
/*****************************************************************************
@ -4466,7 +4460,7 @@ 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;
@ -4476,7 +4470,7 @@ 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;
@ -4802,6 +4796,7 @@ 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;
@ -4829,14 +4824,11 @@ 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) {
@ -4877,6 +4869,12 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
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");
@ -4884,8 +4882,7 @@ 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",
@ -4921,8 +4918,6 @@ 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;
@ -4957,7 +4952,7 @@ static int __devinit skge_probe_one(struct pci_dev *pdev,
&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");
}
}
@ -5081,9 +5076,9 @@ 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;