diff options
Diffstat (limited to 'drivers/net/sk98lin/skge.c')
| -rw-r--r-- | drivers/net/sk98lin/skge.c | 5219 |
1 files changed, 5219 insertions, 0 deletions
diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c new file mode 100644 index 00000000000..7dc9c9ebf5e --- /dev/null +++ b/drivers/net/sk98lin/skge.c @@ -0,0 +1,5219 @@ +/****************************************************************************** + * + * Name: skge.c + * Project: GEnesis, PCI Gigabit Ethernet Adapter + * Version: $Revision: 1.45 $ + * Date: $Date: 2004/02/12 14:41:02 $ + * Purpose: The main driver source module + * + ******************************************************************************/ + +/****************************************************************************** + * + * (C)Copyright 1998-2002 SysKonnect GmbH. + * (C)Copyright 2002-2003 Marvell. + * + * Driver for Marvell Yukon chipset and SysKonnect Gigabit Ethernet + * Server Adapters. + * + * Created 10-Feb-1999, based on Linux' acenic.c, 3c59x.c and + * SysKonnects GEnesis Solaris driver + * Author: Christoph Goos (cgoos@syskonnect.de) + * Mirko Lindner (mlindner@syskonnect.de) + * + * Address all question to: linux@syskonnect.de + * + * The technical manual for the adapters is available from SysKonnect's + * web pages: www.syskonnect.com + * Goto "Support" and search Knowledge Base for "manual". + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * The information in this file is provided "AS IS" without warranty. + * + ******************************************************************************/ + +/****************************************************************************** + * + * Possible compiler options (#define xxx / -Dxxx): + * + * debugging can be enable by changing SK_DEBUG_CHKMOD and + * SK_DEBUG_CHKCAT in makefile (described there). + * + ******************************************************************************/ + +/****************************************************************************** + * + * Description: + * + * This is the main module of the Linux GE driver. + * + * All source files except skge.c, skdrv1st.h, skdrv2nd.h and sktypes.h + * are part of SysKonnect's COMMON MODULES for the SK-98xx adapters. + * Those are used for drivers on multiple OS', so some thing may seem + * unnecessary complicated on Linux. Please do not try to 'clean up' + * them without VERY good reasons, because this will make it more + * difficult to keep the Linux driver in synchronisation with the + * other versions. + * + * Include file hierarchy: + * + * <linux/module.h> + * + * "h/skdrv1st.h" + * <linux/types.h> + * <linux/kernel.h> + * <linux/string.h> + * <linux/errno.h> + * <linux/ioport.h> + * <linux/slab.h> + * <linux/interrupt.h> + * <linux/pci.h> + * <linux/bitops.h> + * <asm/byteorder.h> + * <asm/io.h> + * <linux/netdevice.h> + * <linux/etherdevice.h> + * <linux/skbuff.h> + * those three depending on kernel version used: + * <linux/bios32.h> + * <linux/init.h> + * <asm/uaccess.h> + * <net/checksum.h> + * + * "h/skerror.h" + * "h/skdebug.h" + * "h/sktypes.h" + * "h/lm80.h" + * "h/xmac_ii.h" + * + * "h/skdrv2nd.h" + * "h/skqueue.h" + * "h/skgehwt.h" + * "h/sktimer.h" + * "h/ski2c.h" + * "h/skgepnmi.h" + * "h/skvpd.h" + * "h/skgehw.h" + * "h/skgeinit.h" + * "h/skaddr.h" + * "h/skgesirq.h" + * "h/skrlmt.h" + * + ******************************************************************************/ + +#include "h/skversion.h" + +#include <linux/in.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/dma-mapping.h> +#include <linux/ip.h> +#include <linux/mii.h> +#include <linux/mm.h> + +#include "h/skdrv1st.h" +#include "h/skdrv2nd.h" + +/******************************************************************************* + * + * Defines + * + ******************************************************************************/ + +/* for debuging on x86 only */ +/* #define BREAKPOINT() asm(" int $3"); */ + +/* use the transmit hw checksum driver functionality */ +#define USE_SK_TX_CHECKSUM + +/* use the receive hw checksum driver functionality */ +#define USE_SK_RX_CHECKSUM + +/* use the scatter-gather functionality with sendfile() */ +#define SK_ZEROCOPY + +/* use of a transmit complete interrupt */ +#define USE_TX_COMPLETE + +/* + * threshold for copying small receive frames + * set to 0 to avoid copying, set to 9001 to copy all frames + */ +#define SK_COPY_THRESHOLD 50 + +/* number of adapters that can be configured via command line params */ +#define SK_MAX_CARD_PARAM 16 + + + +/* + * use those defines for a compile-in version of the driver instead + * of command line parameters + */ +// #define LINK_SPEED_A {"Auto", } +// #define LINK_SPEED_B {"Auto", } +// #define AUTO_NEG_A {"Sense", } +// #define AUTO_NEG_B {"Sense", } +// #define DUP_CAP_A {"Both", } +// #define DUP_CAP_B {"Both", } +// #define FLOW_CTRL_A {"SymOrRem", } +// #define FLOW_CTRL_B {"SymOrRem", } +// #define ROLE_A {"Auto", } +// #define ROLE_B {"Auto", } +// #define PREF_PORT {"A", } +// #define CON_TYPE {"Auto", } +// #define RLMT_MODE {"CheckLinkState", } + +#define DEV_KFREE_SKB(skb) dev_kfree_skb(skb) +#define DEV_KFREE_SKB_IRQ(skb) dev_kfree_skb_irq(skb) +#define DEV_KFREE_SKB_ANY(skb) dev_kfree_skb_any(skb) + + +/* Set blink mode*/ +#define OEM_CONFIG_VALUE ( SK_ACT_LED_BLINK | \ + SK_DUP_LED_NORMAL | \ + SK_LED_LINK100_ON) + + +/* Isr return value */ +#define SkIsrRetVar irqreturn_t +#define SkIsrRetNone IRQ_NONE +#define SkIsrRetHandled IRQ_HANDLED + + +/******************************************************************************* + * + * Local Function Prototypes + * + ******************************************************************************/ + +static void FreeResources(struct SK_NET_DEVICE *dev); +static int SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC); +static SK_BOOL BoardAllocMem(SK_AC *pAC); +static void BoardFreeMem(SK_AC *pAC); +static void BoardInitMem(SK_AC *pAC); +static void SetupRing(SK_AC*, void*, uintptr_t, RXD**, RXD**, RXD**, int*, SK_BOOL); +static SkIsrRetVar SkGeIsr(int irq, void *dev_id); +static SkIsrRetVar SkGeIsrOnePort(int irq, void *dev_id); +static int SkGeOpen(struct SK_NET_DEVICE *dev); +static int SkGeClose(struct SK_NET_DEVICE *dev); +static int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev); +static int SkGeSetMacAddr(struct SK_NET_DEVICE *dev, void *p); +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 int XmitFrame(SK_AC*, TX_PORT*, struct sk_buff*); +static void FreeTxDescriptors(SK_AC*pAC, TX_PORT*); +static void FillRxRing(SK_AC*, RX_PORT*); +static SK_BOOL FillRxDescriptor(SK_AC*, RX_PORT*); +static void ReceiveIrq(SK_AC*, RX_PORT*, SK_BOOL); +static void ClearAndStartRx(SK_AC*, int); +static void ClearTxIrq(SK_AC*, int, int); +static void ClearRxRing(SK_AC*, RX_PORT*); +static void ClearTxRing(SK_AC*, TX_PORT*); +static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int new_mtu); +static void PortReInitBmu(SK_AC*, int); +static int SkGeIocMib(DEV_NET*, unsigned int, int); +static int SkGeInitPCI(SK_AC *pAC); +static void StartDrvCleanupTimer(SK_AC *pAC); +static void StopDrvCleanupTimer(SK_AC *pAC); +static int XmitFrameSG(SK_AC*, TX_PORT*, struct sk_buff*); + +#ifdef SK_DIAG_SUPPORT +static SK_U32 ParseDeviceNbrFromSlotName(const char *SlotName); +static int SkDrvInitAdapter(SK_AC *pAC, int devNbr); +static int SkDrvDeInitAdapter(SK_AC *pAC, int devNbr); +#endif + +/******************************************************************************* + * + * Extern Function Prototypes + * + ******************************************************************************/ +extern void SkDimEnableModerationIfNeeded(SK_AC *pAC); +extern void SkDimDisplayModerationSettings(SK_AC *pAC); +extern void SkDimStartModerationTimer(SK_AC *pAC); +extern void SkDimModerate(SK_AC *pAC); +extern void SkGeBlinkTimer(unsigned long data); + +#ifdef DEBUG +static void DumpMsg(struct sk_buff*, char*); +static void DumpData(char*, int); +static void DumpLong(char*, int); +#endif + +/* global variables *********************************************************/ +static SK_BOOL DoPrintInterfaceChange = SK_TRUE; +extern const struct ethtool_ops SkGeEthtoolOps; + +/* local variables **********************************************************/ +static uintptr_t TxQueueAddr[SK_MAX_MACS][2] = {{0x680, 0x600},{0x780, 0x700}}; +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: + * This function initialize the PCI resources and IO + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +static __devinit int SkGeInitPCI(SK_AC *pAC) +{ + struct SK_NET_DEVICE *dev = pAC->dev[0]; + struct pci_dev *pdev = pAC->PciDev; + int retval; + + dev->mem_start = pci_resource_start (pdev, 0); + pci_set_master(pdev); + + retval = pci_request_regions(pdev, "sk98lin"); + if (retval) + goto out; + +#ifdef SK_BIG_ENDIAN + /* + * On big endian machines, we use the adapter's aibility of + * reading the descriptors as big endian. + */ + { + SK_U32 our2; + SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); + our2 |= PCI_REV_DESC; + SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); + } +#endif + + /* + * Remap the regs into kernel space. + */ + pAC->IoBase = ioremap_nocache(dev->mem_start, 0x4000); + if (!pAC->IoBase) { + retval = -EIO; + goto out_release; + } + + return 0; + + out_release: + pci_release_regions(pdev); + out: + return retval; +} + + +/***************************************************************************** + * + * FreeResources - release resources allocated for adapter + * + * Description: + * This function releases the IRQ, unmaps the IO and + * frees the desriptor ring. + * + * Returns: N/A + * + */ +static void FreeResources(struct SK_NET_DEVICE *dev) +{ +SK_U32 AllocFlag; +DEV_NET *pNet; +SK_AC *pAC; + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + AllocFlag = pAC->AllocFlag; + if (pAC->PciDev) { + pci_release_regions(pAC->PciDev); + } + if (AllocFlag & SK_ALLOC_IRQ) { + free_irq(dev->irq, dev); + } + if (pAC->IoBase) { + iounmap(pAC->IoBase); + } + if (pAC->pDescrMem) { + BoardFreeMem(pAC); + } + +} /* FreeResources */ + +MODULE_AUTHOR("Mirko Lindner <mlindner@syskonnect.de>"); +MODULE_DESCRIPTION("SysKonnect SK-NET Gigabit Ethernet SK-98xx driver"); +MODULE_LICENSE("GPL"); + +#ifdef LINK_SPEED_A +static char *Speed_A[SK_MAX_CARD_PARAM] = LINK_SPEED; +#else +static char *Speed_A[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef LINK_SPEED_B +static char *Speed_B[SK_MAX_CARD_PARAM] = LINK_SPEED; +#else +static char *Speed_B[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef AUTO_NEG_A +static char *AutoNeg_A[SK_MAX_CARD_PARAM] = AUTO_NEG_A; +#else +static char *AutoNeg_A[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef DUP_CAP_A +static char *DupCap_A[SK_MAX_CARD_PARAM] = DUP_CAP_A; +#else +static char *DupCap_A[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef FLOW_CTRL_A +static char *FlowCtrl_A[SK_MAX_CARD_PARAM] = FLOW_CTRL_A; +#else +static char *FlowCtrl_A[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef ROLE_A +static char *Role_A[SK_MAX_CARD_PARAM] = ROLE_A; +#else +static char *Role_A[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef AUTO_NEG_B +static char *AutoNeg_B[SK_MAX_CARD_PARAM] = AUTO_NEG_B; +#else +static char *AutoNeg_B[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef DUP_CAP_B +static char *DupCap_B[SK_MAX_CARD_PARAM] = DUP_CAP_B; +#else +static char *DupCap_B[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef FLOW_CTRL_B +static char *FlowCtrl_B[SK_MAX_CARD_PARAM] = FLOW_CTRL_B; +#else +static char *FlowCtrl_B[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef ROLE_B +static char *Role_B[SK_MAX_CARD_PARAM] = ROLE_B; +#else +static char *Role_B[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef CON_TYPE +static char *ConType[SK_MAX_CARD_PARAM] = CON_TYPE; +#else +static char *ConType[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef PREF_PORT +static char *PrefPort[SK_MAX_CARD_PARAM] = PREF_PORT; +#else +static char *PrefPort[SK_MAX_CARD_PARAM] = {"", }; +#endif + +#ifdef RLMT_MODE +static char *RlmtMode[SK_MAX_CARD_PARAM] = RLMT_MODE; +#else +static char *RlmtMode[SK_MAX_CARD_PARAM] = {"", }; +#endif + +static int IntsPerSec[SK_MAX_CARD_PARAM]; +static char *Moderation[SK_MAX_CARD_PARAM]; +static char *ModerationMask[SK_MAX_CARD_PARAM]; +static char *AutoSizing[SK_MAX_CARD_PARAM]; +static char *Stats[SK_MAX_CARD_PARAM]; + +module_param_array(Speed_A, charp, NULL, 0); +module_param_array(Speed_B, charp, NULL, 0); +module_param_array(AutoNeg_A, charp, NULL, 0); +module_param_array(AutoNeg_B, charp, NULL, 0); +module_param_array(DupCap_A, charp, NULL, 0); +module_param_array(DupCap_B, charp, NULL, 0); +module_param_array(FlowCtrl_A, charp, NULL, 0); +module_param_array(FlowCtrl_B, charp, NULL, 0); +module_param_array(Role_A, charp, NULL, 0); +module_param_array(Role_B, charp, NULL, 0); +module_param_array(ConType, charp, NULL, 0); +module_param_array(PrefPort, charp, NULL, 0); +module_param_array(RlmtMode, charp, NULL, 0); +/* used for interrupt moderation */ +module_param_array(IntsPerSec, int, NULL, 0); +module_param_array(Moderation, charp, NULL, 0); +module_param_array(Stats, charp, NULL, 0); +module_param_array(ModerationMask, charp, NULL, 0); +module_param_array(AutoSizing, charp, NULL, 0); + +/***************************************************************************** + * + * SkGeBoardInit - do level 0 and 1 initialization + * + * Description: + * This function prepares the board hardware for running. The desriptor + * ring is set up, the IRQ is allocated and the configuration settings + * are examined. + * + * Returns: + * 0, if everything is ok + * !=0, on error + */ +static int __devinit SkGeBoardInit(struct SK_NET_DEVICE *dev, SK_AC *pAC) +{ +short i; +unsigned long Flags; +char *DescrString = "sk98lin: Driver for Linux"; /* this is given to PNMI */ +char *VerStr = VER_STRING; +int Ret; /* return code of request_irq */ +SK_BOOL DualNet; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("IoBase: %08lX\n", (unsigned long)pAC->IoBase)); + for (i=0; i<SK_MAX_MACS; i++) { + pAC->TxPort[i][0].HwAddr = pAC->IoBase + TxQueueAddr[i][0]; + pAC->TxPort[i][0].PortIndex = i; + pAC->RxPort[i].HwAddr = pAC->IoBase + RxQueueAddr[i]; + pAC->RxPort[i].PortIndex = i; + } + + /* Initialize the mutexes */ + for (i=0; i<SK_MAX_MACS; i++) { + spin_lock_init(&pAC->TxPort[i][0].TxDesRingLock); + spin_lock_init(&pAC->RxPort[i].RxDesRingLock); + } + spin_lock_init(&pAC->SlowPathLock); + + /* setup phy_id blink timer */ + pAC->BlinkTimer.function = SkGeBlinkTimer; + pAC->BlinkTimer.data = (unsigned long) dev; + init_timer(&pAC->BlinkTimer); + + /* level 0 init common modules here */ + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + /* Does a RESET on board ...*/ + if (SkGeInit(pAC, pAC->IoBase, SK_INIT_DATA) != 0) { + printk("HWInit (0) failed.\n"); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + return -EIO; + } + SkI2cInit( pAC, pAC->IoBase, SK_INIT_DATA); + SkEventInit(pAC, pAC->IoBase, SK_INIT_DATA); + SkPnmiInit( pAC, pAC->IoBase, SK_INIT_DATA); + SkAddrInit( pAC, pAC->IoBase, SK_INIT_DATA); + SkRlmtInit( pAC, pAC->IoBase, SK_INIT_DATA); + SkTimerInit(pAC, pAC->IoBase, SK_INIT_DATA); + + pAC->BoardLevel = SK_INIT_DATA; + pAC->RxBufSize = ETH_BUF_SIZE; + + SK_PNMI_SET_DRIVER_DESCR(pAC, DescrString); + SK_PNMI_SET_DRIVER_VER(pAC, VerStr); + + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + /* level 1 init common modules here (HW init) */ + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + if (SkGeInit(pAC, pAC->IoBase, SK_INIT_IO) != 0) { + printk("sk98lin: HWInit (1) failed.\n"); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + return -EIO; + } + SkI2cInit( pAC, pAC->IoBase, SK_INIT_IO); + SkEventInit(pAC, pAC->IoBase, SK_INIT_IO); + SkPnmiInit( pAC, pAC->IoBase, SK_INIT_IO); + SkAddrInit( pAC, pAC->IoBase, SK_INIT_IO); + SkRlmtInit( pAC, pAC->IoBase, SK_INIT_IO); + SkTimerInit(pAC, pAC->IoBase, SK_INIT_IO); + + /* Set chipset type support */ + pAC->ChipsetType = 0; + if ((pAC->GIni.GIChipId == CHIP_ID_YUKON) || + (pAC->GIni.GIChipId == CHIP_ID_YUKON_LITE)) { + pAC->ChipsetType = 1; + } + + GetConfiguration(pAC); + if (pAC->RlmtNets == 2) { + pAC->GIni.GIPortUsage = SK_MUL_LINK; + } + + pAC->BoardLevel = SK_INIT_IO; + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + if (pAC->GIni.GIMacsFound == 2) { + Ret = request_irq(dev->irq, SkGeIsr, IRQF_SHARED, "sk98lin", dev); + } else if (pAC->GIni.GIMacsFound == 1) { + Ret = request_irq(dev->irq, SkGeIsrOnePort, IRQF_SHARED, + "sk98lin", dev); + } else { + printk(KERN_WARNING "sk98lin: Illegal number of ports: %d\n", + pAC->GIni.GIMacsFound); + return -EIO; + } + + if (Ret) { + printk(KERN_WARNING "sk98lin: Requested IRQ %d is busy.\n", + dev->irq); + return Ret; + } + pAC->AllocFlag |= SK_ALLOC_IRQ; + + /* Alloc memory for this board (Mem for RxD/TxD) : */ + if(!BoardAllocMem(pAC)) { + printk("No memory for descriptor rings.\n"); + return -ENOMEM; + } + + BoardInitMem(pAC); + /* tschilling: New common function with minimum size check. */ + DualNet = SK_FALSE; + if (pAC->RlmtNets == 2) { + DualNet = SK_TRUE; + } + + if (SkGeInitAssignRamToQueues( + pAC, + pAC->ActivePort, + DualNet)) { + BoardFreeMem(pAC); + printk("sk98lin: SkGeInitAssignRamToQueues failed.\n"); + return -EIO; + } + + return (0); +} /* SkGeBoardInit */ + + +/***************************************************************************** + * + * BoardAllocMem - allocate the memory for the descriptor rings + * + * Description: + * This function allocates the memory for all descriptor rings. + * Each ring is aligned for the desriptor alignment and no ring + * has a 4 GByte boundary in it (because the upper 32 bit must + * be constant for all descriptiors in one rings). + * + * Returns: + * SK_TRUE, if all memory could be allocated + * SK_FALSE, if not + */ +static __devinit SK_BOOL BoardAllocMem(SK_AC *pAC) +{ +caddr_t pDescrMem; /* pointer to descriptor memory area */ +size_t AllocLength; /* length of complete descriptor area */ +int i; /* loop counter */ +unsigned long BusAddr; + + + /* rings plus one for alignment (do not cross 4 GB boundary) */ + /* RX_RING_SIZE is assumed bigger than TX_RING_SIZE */ +#if (BITS_PER_LONG == 32) + AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound + 8; +#else + AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound + + RX_RING_SIZE + 8; +#endif + + pDescrMem = pci_alloc_consistent(pAC->PciDev, AllocLength, + &pAC->pDescrMemDMA); + + if (pDescrMem == NULL) { + return (SK_FALSE); + } + pAC->pDescrMem = pDescrMem; + BusAddr = (unsigned long) pAC->pDescrMemDMA; + + /* Descriptors need 8 byte alignment, and this is ensured + * by pci_alloc_consistent. + */ + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, + ("TX%d/A: pDescrMem: %lX, PhysDescrMem: %lX\n", + i, (unsigned long) pDescrMem, + BusAddr)); + pAC->TxPort[i][0].pTxDescrRing = pDescrMem; + pAC->TxPort[i][0].VTxDescrRing = BusAddr; + pDescrMem += TX_RING_SIZE; + BusAddr += TX_RING_SIZE; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, + ("RX%d: pDescrMem: %lX, PhysDescrMem: %lX\n", + i, (unsigned long) pDescrMem, + (unsigned long)BusAddr)); + pAC->RxPort[i].pRxDescrRing = pDescrMem; + pAC->RxPort[i].VRxDescrRing = BusAddr; + pDescrMem += RX_RING_SIZE; + BusAddr += RX_RING_SIZE; + } /* for */ + + return (SK_TRUE); +} /* BoardAllocMem */ + + +/**************************************************************************** + * + * BoardFreeMem - reverse of BoardAllocMem + * + * Description: + * Free all memory allocated in BoardAllocMem: adapter context, + * descriptor rings, locks. + * + * Returns: N/A + */ +static void BoardFreeMem( +SK_AC *pAC) +{ +size_t AllocLength; /* length of complete descriptor area */ + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("BoardFreeMem\n")); +#if (BITS_PER_LONG == 32) + AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound + 8; +#else + AllocLength = (RX_RING_SIZE + TX_RING_SIZE) * pAC->GIni.GIMacsFound + + RX_RING_SIZE + 8; +#endif + + pci_free_consistent(pAC->PciDev, AllocLength, + pAC->pDescrMem, pAC->pDescrMemDMA); + pAC->pDescrMem = NULL; +} /* BoardFreeMem */ + + +/***************************************************************************** + * + * BoardInitMem - initiate the descriptor rings + * + * Description: + * This function sets the descriptor rings up in memory. + * The adapter is initialized with the descriptor start addresses. + * + * Returns: N/A + */ +static __devinit void BoardInitMem(SK_AC *pAC) +{ +int i; /* loop counter */ +int RxDescrSize; /* the size of a rx descriptor rounded up to alignment*/ +int TxDescrSize; /* the size of a tx descriptor rounded up to alignment*/ + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("BoardInitMem\n")); + + RxDescrSize = (((sizeof(RXD) - 1) / DESCR_ALIGN) + 1) * DESCR_ALIGN; + pAC->RxDescrPerRing = RX_RING_SIZE / RxDescrSize; + TxDescrSize = (((sizeof(TXD) - 1) / DESCR_ALIGN) + 1) * DESCR_ALIGN; + pAC->TxDescrPerRing = TX_RING_SIZE / RxDescrSize; + + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + SetupRing( + pAC, + pAC->TxPort[i][0].pTxDescrRing, + pAC->TxPort[i][0].VTxDescrRing, + (RXD**)&pAC->TxPort[i][0].pTxdRingHead, + (RXD**)&pAC->TxPort[i][0].pTxdRingTail, + (RXD**)&pAC->TxPort[i][0].pTxdRingPrev, + &pAC->TxPort[i][0].TxdRingFree, + SK_TRUE); + SetupRing( + pAC, + pAC->RxPort[i].pRxDescrRing, + pAC->RxPort[i].VRxDescrRing, + &pAC->RxPort[i].pRxdRingHead, + &pAC->RxPort[i].pRxdRingTail, + &pAC->RxPort[i].pRxdRingPrev, + &pAC->RxPort[i].RxdRingFree, + SK_FALSE); + } +} /* BoardInitMem */ + + +/***************************************************************************** + * + * SetupRing - create one descriptor ring + * + * Description: + * This function creates one descriptor ring in the given memory area. + * The head, tail and number of free descriptors in the ring are set. + * + * Returns: + * none + */ +static void SetupRing( +SK_AC *pAC, +void *pMemArea, /* a pointer to the memory area for the ring */ +uintptr_t VMemArea, /* the virtual bus address of the memory area */ +RXD **ppRingHead, /* address where the head should be written */ +RXD **ppRingTail, /* address where the tail should be written */ +RXD **ppRingPrev, /* address where the tail should be written */ +int *pRingFree, /* address where the # of free descr. goes */ +SK_BOOL IsTx) /* flag: is this a tx ring */ +{ +int i; /* loop counter */ +int DescrSize; /* the size of a descriptor rounded up to alignment*/ +int DescrNum; /* number of descriptors per ring */ +RXD *pDescr; /* pointer to a descriptor (receive or transmit) */ +RXD *pNextDescr; /* pointer to the next descriptor */ +RXD *pPrevDescr; /* pointer to the previous descriptor */ +uintptr_t VNextDescr; /* the virtual bus address of the next descriptor */ + + if (IsTx == SK_TRUE) { + DescrSize = (((sizeof(TXD) - 1) / DESCR_ALIGN) + 1) * + DESCR_ALIGN; + DescrNum = TX_RING_SIZE / DescrSize; + } else { + DescrSize = (((sizeof(RXD) - 1) / DESCR_ALIGN) + 1) * + DESCR_ALIGN; + DescrNum = RX_RING_SIZE / DescrSize; + } + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, + ("Descriptor size: %d Descriptor Number: %d\n", + DescrSize,DescrNum)); + + pDescr = (RXD*) pMemArea; + pPrevDescr = NULL; + pNextDescr = (RXD*) (((char*)pDescr) + DescrSize); + VNextDescr = VMemArea + DescrSize; + for(i=0; i<DescrNum; i++) { + /* set the pointers right */ + pDescr->VNextRxd = VNextDescr & 0xffffffffULL; + pDescr->pNextRxd = pNextDescr; + if (!IsTx) pDescr->TcpSumStarts = ETH_HLEN << 16 | ETH_HLEN; + + /* advance one step */ + pPrevDescr = pDescr; + pDescr = pNextDescr; + pNextDescr = (RXD*) (((char*)pDescr) + DescrSize); + VNextDescr += DescrSize; + } + pPrevDescr->pNextRxd = (RXD*) pMemArea; + pPrevDescr->VNextRxd = VMemArea; + pDescr = (RXD*) pMemArea; + *ppRingHead = (RXD*) pMemArea; + *ppRingTail = *ppRingHead; + *ppRingPrev = pPrevDescr; + *pRingFree = DescrNum; +} /* SetupRing */ + + +/***************************************************************************** + * + * PortReInitBmu - re-initiate the descriptor rings for one port + * + * Description: + * This function reinitializes the descriptor rings of one port + * in memory. The port must be stopped before. + * The HW is initialized with the descriptor start addresses. + * + * Returns: + * none + */ +static void PortReInitBmu( +SK_AC *pAC, /* pointer to adapter context */ +int PortIndex) /* index of the port for which to re-init */ +{ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("PortReInitBmu ")); + + /* set address of first descriptor of ring in BMU */ + SK_OUT32(pAC->IoBase, TxQueueAddr[PortIndex][TX_PRIO_LOW]+ Q_DA_L, + (uint32_t)(((caddr_t) + (pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxdRingHead) - + pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxDescrRing + + pAC->TxPort[PortIndex][TX_PRIO_LOW].VTxDescrRing) & + 0xFFFFFFFF)); + SK_OUT32(pAC->IoBase, TxQueueAddr[PortIndex][TX_PRIO_LOW]+ Q_DA_H, + (uint32_t)(((caddr_t) + (pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxdRingHead) - + pAC->TxPort[PortIndex][TX_PRIO_LOW].pTxDescrRing + + pAC->TxPort[PortIndex][TX_PRIO_LOW].VTxDescrRing) >> 32)); + SK_OUT32(pAC->IoBase, RxQueueAddr[PortIndex]+Q_DA_L, + (uint32_t)(((caddr_t)(pAC->RxPort[PortIndex].pRxdRingHead) - + pAC->RxPort[PortIndex].pRxDescrRing + + pAC->RxPort[PortIndex].VRxDescrRing) & 0xFFFFFFFF)); + SK_OUT32(pAC->IoBase, RxQueueAddr[PortIndex]+Q_DA_H, + (uint32_t)(((caddr_t)(pAC->RxPort[PortIndex].pRxdRingHead) - + pAC->RxPort[PortIndex].pRxDescrRing + + pAC->RxPort[PortIndex].VRxDescrRing) >> 32)); +} /* PortReInitBmu */ + + +/**************************************************************************** + * + * SkGeIsr - handle adapter interrupts + * + * Description: + * The interrupt routine is called when the network adapter + * generates an interrupt. It may also be called if another device + * shares this interrupt vector with the driver. + * + * Returns: N/A + * + */ +static SkIsrRetVar SkGeIsr(int irq, void *dev_id) +{ +struct SK_NET_DEVICE *dev = (struct SK_NET_DEVICE *)dev_id; +DEV_NET *pNet; +SK_AC *pAC; +SK_U32 IntSrc; /* interrupts source register contents */ + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + + /* + * Check and process if its our interrupt + */ + SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc); + if (IntSrc == 0) { + return SkIsrRetNone; + } + + while (((IntSrc & IRQ_MASK) & ~SPECIAL_IRQS) != 0) { +#if 0 /* software irq currently not used */ + if (IntSrc & IS_IRQ_SW) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("Software IRQ\n")); + } +#endif + if (IntSrc & IS_R1_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF RX1 IRQ\n")); + ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); + SK_PNMI_CNT_RX_INTR(pAC, 0); + } + if (IntSrc & IS_R2_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF RX2 IRQ\n")); + ReceiveIrq(pAC, &pAC->RxPort[1], SK_TRUE); + SK_PNMI_CNT_RX_INTR(pAC, 1); + } +#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ + if (IntSrc & IS_XA1_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF AS TX1 IRQ\n")); + SK_PNMI_CNT_TX_INTR(pAC, 0); + spin_lock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); + FreeTxDescriptors(pAC, &pAC->TxPort[0][TX_PRIO_LOW]); + spin_unlock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); + } + if (IntSrc & IS_XA2_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF AS TX2 IRQ\n")); + SK_PNMI_CNT_TX_INTR(pAC, 1); + spin_lock(&pAC->TxPort[1][TX_PRIO_LOW].TxDesRingLock); + FreeTxDescriptors(pAC, &pAC->TxPort[1][TX_PRIO_LOW]); + spin_unlock(&pAC->TxPort[1][TX_PRIO_LOW].TxDesRingLock); + } +#if 0 /* only if sync. queues used */ + if (IntSrc & IS_XS1_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF SY TX1 IRQ\n")); + SK_PNMI_CNT_TX_INTR(pAC, 1); + spin_lock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); + FreeTxDescriptors(pAC, 0, TX_PRIO_HIGH); + spin_unlock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); + ClearTxIrq(pAC, 0, TX_PRIO_HIGH); + } + if (IntSrc & IS_XS2_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF SY TX2 IRQ\n")); + SK_PNMI_CNT_TX_INTR(pAC, 1); + spin_lock(&pAC->TxPort[1][TX_PRIO_HIGH].TxDesRingLock); + FreeTxDescriptors(pAC, 1, TX_PRIO_HIGH); + spin_unlock(&pAC->TxPort[1][TX_PRIO_HIGH].TxDesRingLock); + ClearTxIrq(pAC, 1, TX_PRIO_HIGH); + } +#endif +#endif + + /* do all IO at once */ + if (IntSrc & IS_R1_F) + ClearAndStartRx(pAC, 0); + if (IntSrc & IS_R2_F) + ClearAndStartRx(pAC, 1); +#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ + if (IntSrc & IS_XA1_F) + ClearTxIrq(pAC, 0, TX_PRIO_LOW); + if (IntSrc & IS_XA2_F) + ClearTxIrq(pAC, 1, TX_PRIO_LOW); +#endif + SK_IN32(pAC->IoBase, B0_ISRC, &IntSrc); + } /* while (IntSrc & IRQ_MASK != 0) */ + + IntSrc &= pAC->GIni.GIValIrqMask; + if ((IntSrc & SPECIAL_IRQS) || pAC->CheckQueue) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_INT_SRC, + ("SPECIAL IRQ DP-Cards => %x\n", IntSrc)); + pAC->CheckQueue = SK_FALSE; + spin_lock(&pAC->SlowPathLock); + if (IntSrc & SPECIAL_IRQS) + SkGeSirqIsr(pAC, pAC->IoBase, IntSrc); + + SkEventDispatcher(pAC, pAC->IoBase); + spin_unlock(&pAC->SlowPathLock); + } + /* + * do it all again is case we cleared an interrupt that + * came in after handling the ring (OUTs may be delayed + * in hardware buffers, but are through after IN) + * + * rroesler: has been commented out and shifted to + * SkGeDrvEvent(), because it is timer + * guarded now + * + ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); + ReceiveIrq(pAC, &pAC->RxPort[1], SK_TRUE); + */ + + if (pAC->CheckQueue) { + pAC->CheckQueue = SK_FALSE; + spin_lock(&pAC->SlowPathLock); + SkEventDispatcher(pAC, pAC->IoBase); + spin_unlock(&pAC->SlowPathLock); + } + + /* IRQ is processed - Enable IRQs again*/ + SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); + + return SkIsrRetHandled; +} /* SkGeIsr */ + + +/**************************************************************************** + * + * SkGeIsrOnePort - handle adapter interrupts for single port adapter + * + * Description: + * The interrupt routine is called when the network adapter + * generates an interrupt. It may also be called if another device + * shares this interrupt vector with the driver. + * This is the same as above, but handles only one port. + * + * Returns: N/A + * + */ +static SkIsrRetVar SkGeIsrOnePort(int irq, void *dev_id) +{ +struct SK_NET_DEVICE *dev = (struct SK_NET_DEVICE *)dev_id; +DEV_NET *pNet; +SK_AC *pAC; +SK_U32 IntSrc; /* interrupts source register contents */ + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + + /* + * Check and process if its our interrupt + */ + SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc); + if (IntSrc == 0) { + return SkIsrRetNone; + } + + while (((IntSrc & IRQ_MASK) & ~SPECIAL_IRQS) != 0) { +#if 0 /* software irq currently not used */ + if (IntSrc & IS_IRQ_SW) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("Software IRQ\n")); + } +#endif + if (IntSrc & IS_R1_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF RX1 IRQ\n")); + ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); + SK_PNMI_CNT_RX_INTR(pAC, 0); + } +#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ + if (IntSrc & IS_XA1_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF AS TX1 IRQ\n")); + SK_PNMI_CNT_TX_INTR(pAC, 0); + spin_lock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); + FreeTxDescriptors(pAC, &pAC->TxPort[0][TX_PRIO_LOW]); + spin_unlock(&pAC->TxPort[0][TX_PRIO_LOW].TxDesRingLock); + } +#if 0 /* only if sync. queues used */ + if (IntSrc & IS_XS1_F) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_INT_SRC, + ("EOF SY TX1 IRQ\n")); + SK_PNMI_CNT_TX_INTR(pAC, 0); + spin_lock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); + FreeTxDescriptors(pAC, 0, TX_PRIO_HIGH); + spin_unlock(&pAC->TxPort[0][TX_PRIO_HIGH].TxDesRingLock); + ClearTxIrq(pAC, 0, TX_PRIO_HIGH); + } +#endif +#endif + + /* do all IO at once */ + if (IntSrc & IS_R1_F) + ClearAndStartRx(pAC, 0); +#ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ + if (IntSrc & IS_XA1_F) + ClearTxIrq(pAC, 0, TX_PRIO_LOW); +#endif + SK_IN32(pAC->IoBase, B0_ISRC, &IntSrc); + } /* while (IntSrc & IRQ_MASK != 0) */ + + IntSrc &= pAC->GIni.GIValIrqMask; + if ((IntSrc & SPECIAL_IRQS) || pAC->CheckQueue) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_INT_SRC, + ("SPECIAL IRQ SP-Cards => %x\n", IntSrc)); + pAC->CheckQueue = SK_FALSE; + spin_lock(&pAC->SlowPathLock); + if (IntSrc & SPECIAL_IRQS) + SkGeSirqIsr(pAC, pAC->IoBase, IntSrc); + + SkEventDispatcher(pAC, pAC->IoBase); + spin_unlock(&pAC->SlowPathLock); + } + /* + * do it all again is case we cleared an interrupt that + * came in after handling the ring (OUTs may be delayed + * in hardware buffers, but are through after IN) + * + * rroesler: has been commented out and shifted to + * SkGeDrvEvent(), because it is timer + * guarded now + * + ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); + */ + + /* IRQ is processed - Enable IRQs again*/ + SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); + + return SkIsrRetHandled; +} /* SkGeIsrOnePort */ + +#ifdef CONFIG_NET_POLL_CONTROLLER +/**************************************************************************** + * + * SkGePollController - polling receive, for netconsole + * + * Description: + * Polling receive - used by netconsole and other diagnostic tools + * to allow network i/o with interrupts disabled. + * + * Returns: N/A + */ +static void SkGePollController(struct net_device *dev) +{ + disable_irq(dev->irq); + SkGeIsr(dev->irq, dev); + enable_irq(dev->irq); +} +#endif + +/**************************************************************************** + * + * SkGeOpen - handle start of initialized adapter + * + * Description: + * This function starts the initialized adapter. + * The board level variable is set and the adapter is + * brought to full functionality. + * The device flags are set for operation. + * Do all necessary level 2 initialization, enable interrupts and + * give start command to RLMT. + * + * Returns: + * 0 on success + * != 0 on error + */ +static int SkGeOpen( +struct SK_NET_DEVICE *dev) +{ + DEV_NET *pNet; + SK_AC *pAC; + unsigned long Flags; /* for spin lock */ + int i; + SK_EVPARA EvPara; /* an event parameter union */ + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeOpen: pAC=0x%lX:\n", (unsigned long)pAC)); + +#ifdef SK_DIAG_SUPPORT + if (pAC->DiagModeActive == DIAG_ACTIVE) { + if (pAC->Pnmi.DiagAttached == SK_DIAG_RUNNING) { + return (-1); /* still in use by diag; deny actions */ + } + } +#endif + + /* Set blink mode */ + if ((pAC->PciDev->vendor == 0x1186) || (pAC->PciDev->vendor == 0x11ab )) + pAC->GIni.GILedBlinkCtrl = OEM_CONFIG_VALUE; + + if (pAC->BoardLevel == SK_INIT_DATA) { + /* level 1 init common modules here */ + if (SkGeInit(pAC, pAC->IoBase, SK_INIT_IO) != 0) { + printk("%s: HWInit (1) failed.\n", pAC->dev[pNet->PortNr]->name); + return (-1); + } + SkI2cInit (pAC, pAC->IoBase, SK_INIT_IO); + SkEventInit (pAC, pAC->IoBase, SK_INIT_IO); + SkPnmiInit (pAC, pAC->IoBase, SK_INIT_IO); + SkAddrInit (pAC, pAC->IoBase, SK_INIT_IO); + SkRlmtInit (pAC, pAC->IoBase, SK_INIT_IO); + SkTimerInit (pAC, pAC->IoBase, SK_INIT_IO); + pAC->BoardLevel = SK_INIT_IO; + } + + if (pAC->BoardLevel != SK_INIT_RUN) { + /* tschilling: Level 2 init modules here, check return value. */ + if (SkGeInit(pAC, pAC->IoBase, SK_INIT_RUN) != 0) { + printk("%s: HWInit (2) failed.\n", pAC->dev[pNet->PortNr]->name); + return (-1); + } + SkI2cInit (pAC, pAC->IoBase, SK_INIT_RUN); + SkEventInit (pAC, pAC->IoBase, SK_INIT_RUN); + SkPnmiInit (pAC, pAC->IoBase, SK_INIT_RUN); + SkAddrInit (pAC, pAC->IoBase, SK_INIT_RUN); + SkRlmtInit (pAC, pAC->IoBase, SK_INIT_RUN); + SkTimerInit (pAC, pAC->IoBase, SK_INIT_RUN); + pAC->BoardLevel = SK_INIT_RUN; + } + + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + /* Enable transmit descriptor polling. */ + SkGePollTxD(pAC, pAC->IoBase, i, SK_TRUE); + FillRxRing(pAC, &pAC->RxPort[i]); + } + SkGeYellowLED(pAC, pAC->IoBase, 1); + + StartDrvCleanupTimer(pAC); + SkDimEnableModerationIfNeeded(pAC); + SkDimDisplayModerationSettings(pAC); + + pAC->GIni.GIValIrqMask &= IRQ_MASK; + + /* enable Interrupts */ + SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); + SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + + if ((pAC->RlmtMode != 0) && (pAC->MaxPorts == 0)) { + EvPara.Para32[0] = pAC->RlmtNets; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_SET_NETS, + EvPara); + EvPara.Para32[0] = pAC->RlmtMode; + EvPara.Para32[1] = 0; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_MODE_CHANGE, + EvPara); + } + + EvPara.Para32[0] = pNet->NetNr; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); + SkEventDispatcher(pAC, pAC->IoBase); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + pAC->MaxPorts++; + + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeOpen suceeded\n")); + + return (0); +} /* SkGeOpen */ + + +/**************************************************************************** + * + * SkGeClose - Stop initialized adapter + * + * Description: + * Close initialized adapter. + * + * Returns: + * 0 - on success + * error code - on error + */ +static int SkGeClose( +struct SK_NET_DEVICE *dev) +{ + DEV_NET *pNet; + DEV_NET *newPtrNet; + SK_AC *pAC; + + unsigned long Flags; /* for spin lock */ + int i; + int PortIdx; + SK_EVPARA EvPara; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeClose: pAC=0x%lX ", (unsigned long)pAC)); + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + +#ifdef SK_DIAG_SUPPORT + if (pAC->DiagModeActive == DIAG_ACTIVE) { + if (pAC->DiagFlowCtrl == SK_FALSE) { + /* + ** notify that the interface which has been closed + ** by operator interaction must not be started up + ** again when the DIAG has finished. + */ + newPtrNet = netdev_priv(pAC->dev[0]); + if (newPtrNet == pNet) { + pAC->WasIfUp[0] = SK_FALSE; + } else { + pAC->WasIfUp[1] = SK_FALSE; + } + return 0; /* return to system everything is fine... */ + } else { + pAC->DiagFlowCtrl = SK_FALSE; + } + } +#endif + + netif_stop_queue(dev); + + if (pAC->RlmtNets == 1) + PortIdx = pAC->ActivePort; + else + PortIdx = pNet->NetNr; + + StopDrvCleanupTimer(pAC); + + /* + * Clear multicast table, promiscuous mode .... + */ + SkAddrMcClear(pAC, pAC->IoBase, PortIdx, 0); + SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, + SK_PROM_MODE_NONE); + + if (pAC->MaxPorts == 1) { + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + /* disable interrupts */ + SK_OUT32(pAC->IoBase, B0_IMSK, 0); + EvPara.Para32[0] = pNet->NetNr; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + SkEventDispatcher(pAC, pAC->IoBase); + SK_OUT32(pAC->IoBase, B0_IMSK, 0); + /* stop the hardware */ + SkGeDeInit(pAC, pAC->IoBase); + pAC->BoardLevel = SK_INIT_DATA; + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + } else { + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + EvPara.Para32[0] = pNet->NetNr; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + SkPnmiEvent(pAC, pAC->IoBase, SK_PNMI_EVT_XMAC_RESET, EvPara); + SkEventDispatcher(pAC, pAC->IoBase); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + /* Stop port */ + spin_lock_irqsave(&pAC->TxPort[pNet->PortNr] + [TX_PRIO_LOW].TxDesRingLock, Flags); + SkGeStopPort(pAC, pAC->IoBase, pNet->PortNr, + SK_STOP_ALL, SK_HARD_RST); + spin_unlock_irqrestore(&pAC->TxPort[pNet->PortNr] + [TX_PRIO_LOW].TxDesRingLock, Flags); + } + + if (pAC->RlmtNets == 1) { + /* clear all descriptor rings */ + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + ReceiveIrq(pAC, &pAC->RxPort[i], SK_TRUE); + ClearRxRing(pAC, &pAC->RxPort[i]); + ClearTxRing(pAC, &pAC->TxPort[i][TX_PRIO_LOW]); + } + } else { + /* clear port descriptor rings */ + ReceiveIrq(pAC, &pAC->RxPort[pNet->PortNr], SK_TRUE); + ClearRxRing(pAC, &pAC->RxPort[pNet->PortNr]); + ClearTxRing(pAC, &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW]); + } + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeClose: done ")); + + SK_MEMSET(&(pAC->PnmiBackup), 0, sizeof(SK_PNMI_STRUCT_DATA)); + SK_MEMCPY(&(pAC->PnmiBackup), &(pAC->PnmiStruct), + sizeof(SK_PNMI_STRUCT_DATA)); + + pAC->MaxPorts--; + + return (0); +} /* SkGeClose */ + + +/***************************************************************************** + * + * SkGeXmit - Linux frame transmit function + * + * Description: + * The system calls this function to send frames onto the wire. + * It puts the frame in the tx descriptor ring. If the ring is + * full then, the 'tbusy' flag is set. + * + * Returns: + * 0, if everything is ok + * !=0, on error + * WARNING: returning 1 in 'tbusy' case caused system crashes (double + * allocated skb's) !!! + */ +static int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev) +{ +DEV_NET *pNet; +SK_AC *pAC; +int Rc; /* return code of XmitFrame */ + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + + if ((!skb_shinfo(skb)->nr_frags) || + (pAC->GIni.GIChipId == CHIP_ID_GENESIS)) { + /* Don't activate scatter-gather and hardware checksum */ + + if (pAC->RlmtNets == 2) + Rc = XmitFrame( + pAC, + &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW], + skb); + else + Rc = XmitFrame( + pAC, + &pAC->TxPort[pAC->ActivePort][TX_PRIO_LOW], + skb); + } else { + /* scatter-gather and hardware TCP checksumming anabled*/ + if (pAC->RlmtNets == 2) + Rc = XmitFrameSG( + pAC, + &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW], + skb); + else + Rc = XmitFrameSG( + pAC, + &pAC->TxPort[pAC->ActivePort][TX_PRIO_LOW], + skb); + } + + /* Transmitter out of resources? */ + if (Rc <= 0) { + netif_stop_queue(dev); + } + + /* If not taken, give buffer ownership back to the + * queueing layer. + */ + if (Rc < 0) + return (1); + + dev->trans_start = jiffies; + return (0); +} /* SkGeXmit */ + + +/***************************************************************************** + * + * XmitFrame - fill one socket buffer into the transmit ring + * + * Description: + * This function puts a message into the transmit descriptor ring + * if there is a descriptors left. + * Linux skb's consist of only one continuous buffer. + * The first step locks the ring. It is held locked + * all time to avoid problems with SWITCH_../PORT_RESET. + * Then the descriptoris allocated. + * The second part is linking the buffer to the descriptor. + * At the very last, the Control field of the descriptor + * is made valid for the BMU and a start TX command is given + * if necessary. + * + * Returns: + * > 0 - on succes: the number of bytes in the message + * = 0 - on resource shortage: this frame sent or dropped, now + * the ring is full ( -> set tbusy) + * < 0 - on failure: other problems ( -> return failure to upper layers) + */ +static int XmitFrame( +SK_AC *pAC, /* pointer to adapter context */ +TX_PORT *pTxPort, /* pointer to struct of port to send to */ +struct sk_buff *pMessage) /* pointer to send-message */ +{ + TXD *pTxd; /* the rxd to fill */ + TXD *pOldTxd; + unsigned long Flags; + SK_U64 PhysAddr; + int BytesSend = pMessage->len; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_TX_PROGRESS, ("X")); + + spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); +#ifndef USE_TX_COMPLETE + FreeTxDescriptors(pAC, pTxPort); +#endif + if (pTxPort->TxdRingFree == 0) { + /* + ** no enough free descriptors in ring at the moment. + ** Maybe free'ing some old one help? + */ + FreeTxDescriptors(pAC, pTxPort); + if (pTxPort->TxdRingFree == 0) { + spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); + SK_PNMI_CNT_NO_TX_BUF(pAC, pTxPort->PortIndex); + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_TX_PROGRESS, + ("XmitFrame failed\n")); + /* + ** the desired message can not be sent + ** Because tbusy seems to be set, the message + ** should not be freed here. It will be used + ** by the scheduler of the ethernet handler + */ + return (-1); + } + } + + /* + ** If the passed socket buffer is of smaller MTU-size than 60, + ** copy everything into new buffer and fill all bytes between + ** the original packet end and the new packet end of 60 with 0x00. + ** This is to resolve faulty padding by the HW with 0xaa bytes. + */ + if (BytesSend < C_LEN_ETHERNET_MINSIZE) { + if (skb_padto(pMessage, C_LEN_ETHERNET_MINSIZE)) { + spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); + return 0; + } + pMessage->len = C_LEN_ETHERNET_MINSIZE; + } + + /* + ** advance head counter behind descriptor needed for this frame, + ** so that needed descriptor is reserved from that on. The next + ** action will be to add the passed buffer to the TX-descriptor + */ + pTxd = pTxPort->pTxdRingHead; + pTxPort->pTxdRingHead = pTxd->pNextTxd; + pTxPort->TxdRingFree--; + +#ifdef SK_DUMP_TX + DumpMsg(pMessage, "XmitFrame"); +#endif + + /* + ** First step is to map the data to be sent via the adapter onto + ** the DMA memory. Kernel 2.2 uses virt_to_bus(), but kernels 2.4 + ** and 2.6 need to use pci_map_page() for that mapping. + */ + PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, + virt_to_page(pMessage->data), + ((unsigned long) pMessage->data & ~PAGE_MASK), + pMessage->len, + PCI_DMA_TODEVICE); + pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); + pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); + pTxd->pMBuf = pMessage; + + if (pMessage->ip_summed == CHECKSUM_PARTIAL) { + u16 hdrlen = skb_transport_offset(pMessage); + u16 offset = hdrlen + pMessage->csum_offset; + + if ((ipip_hdr(pMessage)->protocol == IPPROTO_UDP) && + (pAC->GIni.GIChipRev == 0) && + (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { + pTxd->TBControl = BMU_TCP_CHECK; + } else { + pTxd->TBControl = BMU_UDP_CHECK; + } + + pTxd->TcpSumOfs = 0; + pTxd->TcpSumSt = hdrlen; + pTxd->TcpSumWr = offset; + + pTxd->TBControl |= BMU_OWN | BMU_STF | + BMU_SW | BMU_EOF | +#ifdef USE_TX_COMPLETE + BMU_IRQ_EOF | +#endif + pMessage->len; + } else { + pTxd->TBControl = BMU_OWN | BMU_STF | BMU_CHECK | + BMU_SW | BMU_EOF | +#ifdef USE_TX_COMPLETE + BMU_IRQ_EOF | +#endif + pMessage->len; + } + + /* + ** If previous descriptor already done, give TX start cmd + */ + pOldTxd = xchg(&pTxPort->pTxdRingPrev, pTxd); + if ((pOldTxd->TBControl & BMU_OWN) == 0) { + SK_OUT8(pTxPort->HwAddr, Q_CSR, CSR_START); + } + + /* + ** after releasing the lock, the skb may immediately be free'd + */ + spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); + if (pTxPort->TxdRingFree != 0) { + return (BytesSend); + } else { + return (0); + } + +} /* XmitFrame */ + +/***************************************************************************** + * + * XmitFrameSG - fill one socket buffer into the transmit ring + * (use SG and TCP/UDP hardware checksumming) + * + * Description: + * This function puts a message into the transmit descriptor ring + * if there is a descriptors left. + * + * Returns: + * > 0 - on succes: the number of bytes in the message + * = 0 - on resource shortage: this frame sent or dropped, now + * the ring is full ( -> set tbusy) + * < 0 - on failure: other problems ( -> return failure to upper layers) + */ +static int XmitFrameSG( +SK_AC *pAC, /* pointer to adapter context */ +TX_PORT *pTxPort, /* pointer to struct of port to send to */ +struct sk_buff *pMessage) /* pointer to send-message */ +{ + + TXD *pTxd; + TXD *pTxdFst; + TXD *pTxdLst; + int CurrFrag; + int BytesSend; + skb_frag_t *sk_frag; + SK_U64 PhysAddr; + unsigned long Flags; + SK_U32 Control; + + spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); +#ifndef USE_TX_COMPLETE + FreeTxDescriptors(pAC, pTxPort); +#endif + if ((skb_shinfo(pMessage)->nr_frags +1) > pTxPort->TxdRingFree) { + FreeTxDescriptors(pAC, pTxPort); + if ((skb_shinfo(pMessage)->nr_frags + 1) > pTxPort->TxdRingFree) { + spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); + SK_PNMI_CNT_NO_TX_BUF(pAC, pTxPort->PortIndex); + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_TX_PROGRESS, + ("XmitFrameSG failed - Ring full\n")); + /* this message can not be sent now */ + return(-1); + } + } + + pTxd = pTxPort->pTxdRingHead; + pTxdFst = pTxd; + pTxdLst = pTxd; + BytesSend = 0; + + /* + ** Map the first fragment (header) into the DMA-space + */ + PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, + virt_to_page(pMessage->data), + ((unsigned long) pMessage->data & ~PAGE_MASK), + skb_headlen(pMessage), + PCI_DMA_TODEVICE); + + pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); + pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); + + /* + ** Does the HW need to evaluate checksum for TCP or UDP packets? + */ + if (pMessage->ip_summed == CHECKSUM_PARTIAL) { + u16 hdrlen = skb_transport_offset(pMessage); + u16 offset = hdrlen + pMessage->csum_offset; + + Control = BMU_STFWD; + + /* + ** We have to use the opcode for tcp here, because the + ** opcode for udp is not working in the hardware yet + ** (Revision 2.0) + */ + if ((ipip_hdr(pMessage)->protocol == IPPROTO_UDP) && + (pAC->GIni.GIChipRev == 0) && + (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { + Control |= BMU_TCP_CHECK; + } else { + Control |= BMU_UDP_CHECK; + } + + pTxd->TcpSumOfs = 0; + pTxd->TcpSumSt = hdrlen; + pTxd->TcpSumWr = offset; + } else + Control = BMU_CHECK | BMU_SW; + + pTxd->TBControl = BMU_STF | Control | skb_headlen(pMessage); + + pTxd = pTxd->pNextTxd; + pTxPort->TxdRingFree--; + BytesSend += skb_headlen(pMessage); + + /* + ** Browse over all SG fragments and map each of them into the DMA space + */ + for (CurrFrag = 0; CurrFrag < skb_shinfo(pMessage)->nr_frags; CurrFrag++) { + sk_frag = &skb_shinfo(pMessage)->frags[CurrFrag]; + /* + ** we already have the proper value in entry + */ + PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, + sk_frag->page, + sk_frag->page_offset, + sk_frag->size, + PCI_DMA_TODEVICE); + + pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); + pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); + pTxd->pMBuf = pMessage; + + pTxd->TBControl = Control | BMU_OWN | sk_frag->size; + + /* + ** Do we have the last fragment? + */ + if( (CurrFrag+1) == skb_shinfo(pMessage)->nr_frags ) { +#ifdef USE_TX_COMPLETE + pTxd->TBControl |= BMU_EOF | BMU_IRQ_EOF; +#else + pTxd->TBControl |= BMU_EOF; +#endif + pTxdFst->TBControl |= BMU_OWN | BMU_SW; + } + pTxdLst = pTxd; + pTxd = pTxd->pNextTxd; + pTxPort->TxdRingFree--; + BytesSend += sk_frag->size; + } + + /* + ** If previous descriptor already done, give TX start cmd + */ + if ((pTxPort->pTxdRingPrev->TBControl & BMU_OWN) == 0) { + SK_OUT8(pTxPort->HwAddr, Q_CSR, CSR_START); + } + + pTxPort->pTxdRingPrev = pTxdLst; + pTxPort->pTxdRingHead = pTxd; + + spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); + + if (pTxPort->TxdRingFree > 0) { + return (BytesSend); + } else { + return (0); + } +} + +/***************************************************************************** + * + * FreeTxDescriptors - release descriptors from the descriptor ring + * + * Description: + * This function releases descriptors from a transmit ring if they + * have been sent by the BMU. + * If a descriptors is sent, it can be freed and the message can + * be freed, too. + * The SOFTWARE controllable bit is used to prevent running around a + * completely free ring for ever. If this bit is no set in the + * frame (by XmitFrame), this frame has never been sent or is + * already freed. + * The Tx descriptor ring lock must be held while calling this function !!! + * + * Returns: + * none + */ +static void FreeTxDescriptors( +SK_AC *pAC, /* pointer to the adapter context */ +TX_PORT *pTxPort) /* pointer to destination port structure */ +{ +TXD *pTxd; /* pointer to the checked descriptor */ +TXD *pNewTail; /* pointer to 'end' of the ring */ +SK_U32 Control; /* TBControl field of descriptor */ +SK_U64 PhysAddr; /* address of DMA mapping */ + + pNewTail = pTxPort->pTxdRingTail; + pTxd = pNewTail; + /* + ** loop forever; exits if BMU_SW bit not set in start frame + ** or BMU_OWN bit set in any frame + */ + while (1) { + Control = pTxd->TBControl; + if ((Control & BMU_SW) == 0) { + /* + ** software controllable bit is set in first + ** fragment when given to BMU. Not set means that + ** this fragment was never sent or is already + ** freed ( -> ring completely free now). + */ + pTxPort->pTxdRingTail = pTxd; + netif_wake_queue(pAC->dev[pTxPort->PortIndex]); + return; + } + if (Control & BMU_OWN) { + pTxPort->pTxdRingTail = pTxd; + if (pTxPort->TxdRingFree > 0) { + netif_wake_queue(pAC->dev[pTxPort->PortIndex]); + } + return; + } + + /* + ** release the DMA mapping, because until not unmapped + ** this buffer is considered being under control of the + ** adapter card! + */ + PhysAddr = ((SK_U64) pTxd->VDataHigh) << (SK_U64) 32; + PhysAddr |= (SK_U64) pTxd->VDataLow; + pci_unmap_page(pAC->PciDev, PhysAddr, + pTxd->pMBuf->len, + PCI_DMA_TODEVICE); + + if (Control & BMU_EOF) + DEV_KFREE_SKB_ANY(pTxd->pMBuf); /* free message */ + + pTxPort->TxdRingFree++; + pTxd->TBControl &= ~BMU_SW; + pTxd = pTxd->pNextTxd; /* point behind fragment with EOF */ + } /* while(forever) */ +} /* FreeTxDescriptors */ + +/***************************************************************************** + * + * FillRxRing - fill the receive ring with valid descriptors + * + * Description: + * This function fills the receive ring descriptors with data + * segments and makes them valid for the BMU. + * The active ring is filled completely, if possible. + * The non-active ring is filled only partial to save memory. + * + * Description of rx ring structure: + * head - points to the descriptor which will be used next by the BMU + * tail - points to the next descriptor to give to the BMU + * + * Returns: N/A + */ +static void FillRxRing( +SK_AC *pAC, /* pointer to the adapter context */ +RX_PORT *pRxPort) /* ptr to port struct for which the ring + should be filled */ +{ +unsigned long Flags; + + spin_lock_irqsave(&pRxPort->RxDesRingLock, Flags); + while (pRxPort->RxdRingFree > pRxPort->RxFillLimit) { + if(!FillRxDescriptor(pAC, pRxPort)) + break; + } + spin_unlock_irqrestore(&pRxPort->RxDesRingLock, Flags); +} /* FillRxRing */ + + +/***************************************************************************** + * + * FillRxDescriptor - fill one buffer into the receive ring + * + * Description: + * The function allocates a new receive buffer and + * puts it into the next descriptor. + * + * Returns: + * SK_TRUE - a buffer was added to the ring + * SK_FALSE - a buffer could not be added + */ +static SK_BOOL FillRxDescriptor( +SK_AC *pAC, /* pointer to the adapter context struct */ +RX_PORT *pRxPort) /* ptr to port struct of ring to fill */ +{ +struct sk_buff *pMsgBlock; /* pointer to a new message block */ +RXD *pRxd; /* the rxd to fill */ +SK_U16 Length; /* data fragment length */ +SK_U64 PhysAddr; /* physical address of a rx buffer */ + + pMsgBlock = alloc_skb(pAC->RxBufSize, GFP_ATOMIC); + if (pMsgBlock == NULL) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_ENTRY, + ("%s: Allocation of rx buffer failed !\n", + pAC->dev[pRxPort->PortIndex]->name)); + SK_PNMI_CNT_NO_RX_BUF(pAC, pRxPort->PortIndex); + return(SK_FALSE); + } + skb_reserve(pMsgBlock, 2); /* to align IP frames */ + /* skb allocated ok, so add buffer */ + pRxd = pRxPort->pRxdRingTail; + pRxPort->pRxdRingTail = pRxd->pNextRxd; + pRxPort->RxdRingFree--; + Length = pAC->RxBufSize; + PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, + virt_to_page(pMsgBlock->data), + ((unsigned long) pMsgBlock->data & + ~PAGE_MASK), + pAC->RxBufSize - 2, + PCI_DMA_FROMDEVICE); + + pRxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); + pRxd->VDataHigh = (SK_U32) (PhysAddr >> 32); + pRxd->pMBuf = pMsgBlock; + pRxd->RBControl = BMU_OWN | + BMU_STF | + BMU_IRQ_EOF | + BMU_TCP_CHECK | + Length; + return (SK_TRUE); + +} /* FillRxDescriptor */ + + +/***************************************************************************** + * + * ReQueueRxBuffer - fill one buffer back into the receive ring + * + * Description: + * Fill a given buffer back into the rx ring. The buffer + * has been previously allocated and aligned, and its phys. + * address calculated, so this is no more necessary. + * + * Returns: N/A + */ +static void ReQueueRxBuffer( +SK_AC *pAC, /* pointer to the adapter context struct */ +RX_PORT *pRxPort, /* ptr to port struct of ring to fill */ +struct sk_buff *pMsg, /* pointer to the buffer */ +SK_U32 PhysHigh, /* phys address high dword */ +SK_U32 PhysLow) /* phys address low dword */ +{ +RXD *pRxd; /* the rxd to fill */ +SK_U16 Length; /* data fragment length */ + + pRxd = pRxPort->pRxdRingTail; + pRxPort->pRxdRingTail = pRxd->pNextRxd; + pRxPort->RxdRingFree--; + Length = pAC->RxBufSize; + + pRxd->VDataLow = PhysLow; + pRxd->VDataHigh = PhysHigh; + pRxd->pMBuf = pMsg; + pRxd->RBControl = BMU_OWN | + BMU_STF | + BMU_IRQ_EOF | + BMU_TCP_CHECK | + Length; + return; +} /* ReQueueRxBuffer */ + +/***************************************************************************** + * + * ReceiveIrq - handle a receive IRQ + * + * Description: + * This function is called when a receive IRQ is set. + * It walks the receive descriptor ring and sends up all + * frames that are complete. + * + * Returns: N/A + */ +static void ReceiveIrq( + SK_AC *pAC, /* pointer to adapter context */ + RX_PORT *pRxPort, /* pointer to receive port struct */ + SK_BOOL SlowPathLock) /* indicates if SlowPathLock is needed */ +{ +RXD *pRxd; /* pointer to receive descriptors */ +SK_U32 Control; /* control field of descriptor */ +struct sk_buff *pMsg; /* pointer to message holding frame */ +struct sk_buff *pNewMsg; /* pointer to a new message for copying frame */ +int FrameLength; /* total length of received frame */ +SK_MBUF *pRlmtMbuf; /* ptr to a buffer for giving a frame to rlmt */ +SK_EVPARA EvPara; /* an event parameter union */ +unsigned long Flags; /* for spin lock */ +int PortIndex = pRxPort->PortIndex; +unsigned int Offset; +unsigned int NumBytes; +unsigned int ForRlmt; +SK_BOOL IsBc; +SK_BOOL IsMc; +SK_BOOL IsBadFrame; /* Bad frame */ + +SK_U32 FrameStat; +SK_U64 PhysAddr; + +rx_start: + /* do forever; exit if BMU_OWN found */ + for ( pRxd = pRxPort->pRxdRingHead ; + pRxPort->RxdRingFree < pAC->RxDescrPerRing ; + pRxd = pRxd->pNextRxd, + pRxPort->pRxdRingHead = pRxd, + pRxPort->RxdRingFree ++) { + + /* + * For a better understanding of this loop + * Go through every descriptor beginning at the head + * Please note: the ring might be completely received so the OWN bit + * set is not a good crirteria to leave that loop. + * Therefore the RingFree counter is used. + * On entry of this loop pRxd is a pointer to the Rxd that needs + * to be checked next. + */ + + Control = pRxd->RBControl; + + /* check if this descriptor is ready */ + if ((Control & BMU_OWN) != 0) { + /* this descriptor is not yet ready */ + /* This is the usual end of the loop */ + /* We don't need to start the ring again */ + FillRxRing(pAC, pRxPort); + return; + } + pAC->DynIrqModInfo.NbrProcessedDescr++; + + /* get length of frame and check it */ + FrameLength = Control & BMU_BBC; + if (FrameLength > pAC->RxBufSize) { + goto rx_failed; + } + + /* check for STF and EOF */ + if ((Control & (BMU_STF | BMU_EOF)) != (BMU_STF | BMU_EOF)) { + goto rx_failed; + } + + /* here we have a complete frame in the ring */ + pMsg = pRxd->pMBuf; + + FrameStat = pRxd->FrameStat; + + /* check for frame length mismatch */ +#define XMR_FS_LEN_SHIFT 18 +#define GMR_FS_LEN_SHIFT 16 + if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) { + if (FrameLength != (SK_U32) (FrameStat >> XMR_FS_LEN_SHIFT)) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_RX_PROGRESS, + ("skge: Frame length mismatch (%u/%u).\n", + FrameLength, + (SK_U32) (FrameStat >> XMR_FS_LEN_SHIFT))); + goto rx_failed; + } + } + else { + if (FrameLength != (SK_U32) (FrameStat >> GMR_FS_LEN_SHIFT)) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_RX_PROGRESS, + ("skge: Frame length mismatch (%u/%u).\n", + FrameLength, + (SK_U32) (FrameStat >> XMR_FS_LEN_SHIFT))); + goto rx_failed; + } + } + + /* Set Rx Status */ + if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) { + IsBc = (FrameStat & XMR_FS_BC) != 0; + IsMc = (FrameStat & XMR_FS_MC) != 0; + IsBadFrame = (FrameStat & + (XMR_FS_ANY_ERR | XMR_FS_2L_VLAN)) != 0; + } else { + IsBc = (FrameStat & GMR_FS_BC) != 0; + IsMc = (FrameStat & GMR_FS_MC) != 0; + IsBadFrame = (((FrameStat & GMR_FS_ANY_ERR) != 0) || + ((FrameStat & GMR_FS_RX_OK) == 0)); + } + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 0, + ("Received frame of length %d on port %d\n", + FrameLength, PortIndex)); + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 0, + ("Number of free rx descriptors: %d\n", + pRxPort->RxdRingFree)); +/* DumpMsg(pMsg, "Rx"); */ + + if ((Control & BMU_STAT_VAL) != BMU_STAT_VAL || (IsBadFrame)) { +#if 0 + (FrameStat & (XMR_FS_ANY_ERR | XMR_FS_2L_VLAN)) != 0) { +#endif + /* there is a receive error in this frame */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_RX_PROGRESS, + ("skge: Error in received frame, dropped!\n" + "Control: %x\nRxStat: %x\n", + Control, FrameStat)); + + ReQueueRxBuffer(pAC, pRxPort, pMsg, + pRxd->VDataHigh, pRxd->VDataLow); + + continue; + } + + /* + * if short frame then copy data to reduce memory waste + */ + if ((FrameLength < SK_COPY_THRESHOLD) && + ((pNewMsg = alloc_skb(FrameLength+2, GFP_ATOMIC)) != NULL)) { + /* + * Short frame detected and allocation successfull + */ + /* use new skb and copy data */ + skb_reserve(pNewMsg, 2); + skb_put(pNewMsg, FrameLength); + PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; + PhysAddr |= (SK_U64) pRxd->VDataLow; + + pci_dma_sync_single_for_cpu(pAC->PciDev, + (dma_addr_t) PhysAddr, + FrameLength, + PCI_DMA_FROMDEVICE); + skb_copy_to_linear_data(pNewMsg, pMsg, FrameLength); + + pci_dma_sync_single_for_device(pAC->PciDev, + (dma_addr_t) PhysAddr, + FrameLength, + PCI_DMA_FROMDEVICE); + ReQueueRxBuffer(pAC, pRxPort, pMsg, + pRxd->VDataHigh, pRxd->VDataLow); + + pMsg = pNewMsg; + + } + else { + /* + * if large frame, or SKB allocation failed, pass + * the SKB directly to the networking + */ + + PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; + PhysAddr |= (SK_U64) pRxd->VDataLow; + + /* release the DMA mapping */ + pci_unmap_single(pAC->PciDev, + PhysAddr, + pAC->RxBufSize - 2, + PCI_DMA_FROMDEVICE); + + /* set length in message */ + skb_put(pMsg, FrameLength); + } /* frame > SK_COPY_TRESHOLD */ + +#ifdef USE_SK_RX_CHECKSUM + pMsg->csum = pRxd->TcpSums & 0xffff; + pMsg->ip_summed = CHECKSUM_COMPLETE; +#else + pMsg->ip_summed = CHECKSUM_NONE; +#endif + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("V")); + ForRlmt = SK_RLMT_RX_PROTOCOL; +#if 0 + IsBc = (FrameStat & XMR_FS_BC)==XMR_FS_BC; +#endif + SK_RLMT_PRE_LOOKAHEAD(pAC, PortIndex, FrameLength, + IsBc, &Offset, &NumBytes); + if (NumBytes != 0) { +#if 0 + IsMc = (FrameStat & XMR_FS_MC)==XMR_FS_MC; +#endif + SK_RLMT_LOOKAHEAD(pAC, PortIndex, + &pMsg->data[Offset], + IsBc, IsMc, &ForRlmt); + } + if (ForRlmt == SK_RLMT_RX_PROTOCOL) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("W")); + /* send up only frames from active port */ + if ((PortIndex == pAC->ActivePort) || + (pAC->RlmtNets == 2)) { + /* frame for upper layer */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("U")); +#ifdef xDEBUG + DumpMsg(pMsg, "Rx"); +#endif + SK_PNMI_CNT_RX_OCTETS_DELIVERED(pAC, + FrameLength, pRxPort->PortIndex); + + pMsg->protocol = eth_type_trans(pMsg, + pAC->dev[pRxPort->PortIndex]); + netif_rx(pMsg); + pAC->dev[pRxPort->PortIndex]->last_rx = jiffies; + } + else { + /* drop frame */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_RX_PROGRESS, + ("D")); + DEV_KFREE_SKB(pMsg); + } + + } /* if not for rlmt */ + else { + /* packet for rlmt */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_RX_PROGRESS, ("R")); + pRlmtMbuf = SkDrvAllocRlmtMbuf(pAC, + pAC->IoBase, FrameLength); + if (pRlmtMbuf != NULL) { + pRlmtMbuf->pNext = NULL; + pRlmtMbuf->Length = FrameLength; + pRlmtMbuf->PortIdx = PortIndex; + EvPara.pParaPtr = pRlmtMbuf; + memcpy((char*)(pRlmtMbuf->pData), + (char*)(pMsg->data), + FrameLength); + + /* SlowPathLock needed? */ + if (SlowPathLock == SK_TRUE) { + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + SkEventQueue(pAC, SKGE_RLMT, + SK_RLMT_PACKET_RECEIVED, + EvPara); + pAC->CheckQueue = SK_TRUE; + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + } else { + SkEventQueue(pAC, SKGE_RLMT, + SK_RLMT_PACKET_RECEIVED, + EvPara); + pAC->CheckQueue = SK_TRUE; + } + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, + SK_DBGCAT_DRV_RX_PROGRESS, + ("Q")); + } + if ((pAC->dev[pRxPort->PortIndex]->flags & + (IFF_PROMISC | IFF_ALLMULTI)) != 0 || + (ForRlmt & SK_RLMT_RX_PROTOCOL) == + SK_RLMT_RX_PROTOCOL) { + pMsg->protocol = eth_type_trans(pMsg, + pAC->dev[pRxPort->PortIndex]); + netif_rx(pMsg); + pAC->dev[pRxPort->PortIndex]->last_rx = jiffies; + } + else { + DEV_KFREE_SKB(pMsg); + } + + } /* if packet for rlmt */ + } /* for ... scanning the RXD ring */ + + /* RXD ring is empty -> fill and restart */ + FillRxRing(pAC, pRxPort); + /* do not start if called from Close */ + if (pAC->BoardLevel > SK_INIT_DATA) { + ClearAndStartRx(pAC, PortIndex); + } + return; + +rx_failed: + /* remove error frame */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ERROR, + ("Schrottdescriptor, length: 0x%x\n", FrameLength)); + + /* release the DMA mapping */ + + PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; + PhysAddr |= (SK_U64) pRxd->VDataLow; + pci_unmap_page(pAC->PciDev, + PhysAddr, + pAC->RxBufSize - 2, + PCI_DMA_FROMDEVICE); + DEV_KFREE_SKB_IRQ(pRxd->pMBuf); + pRxd->pMBuf = NULL; + pRxPort->RxdRingFree++; + pRxPort->pRxdRingHead = pRxd->pNextRxd; + goto rx_start; + +} /* ReceiveIrq */ + + +/***************************************************************************** + * + * ClearAndStartRx - give a start receive command to BMU, clear IRQ + * + * Description: + * This function sends a start command and a clear interrupt + * command for one receive queue to the BMU. + * + * Returns: N/A + * none + */ +static void ClearAndStartRx( +SK_AC *pAC, /* pointer to the adapter context */ +int PortIndex) /* index of the receive port (XMAC) */ +{ + SK_OUT8(pAC->IoBase, + RxQueueAddr[PortIndex]+Q_CSR, + CSR_START | CSR_IRQ_CL_F); +} /* ClearAndStartRx */ + + +/***************************************************************************** + * + * ClearTxIrq - give a clear transmit IRQ command to BMU + * + * Description: + * This function sends a clear tx IRQ command for one + * transmit queue to the BMU. + * + * Returns: N/A + */ +static void ClearTxIrq( +SK_AC *pAC, /* pointer to the adapter context */ +int PortIndex, /* index of the transmit port (XMAC) */ +int Prio) /* priority or normal queue */ +{ + SK_OUT8(pAC->IoBase, + TxQueueAddr[PortIndex][Prio]+Q_CSR, + CSR_IRQ_CL_F); +} /* ClearTxIrq */ + + +/***************************************************************************** + * + * ClearRxRing - remove all buffers from the receive ring + * + * Description: + * This function removes all receive buffers from the ring. + * The receive BMU must be stopped before calling this function. + * + * Returns: N/A + */ +static void ClearRxRing( +SK_AC *pAC, /* pointer to adapter context */ +RX_PORT *pRxPort) /* pointer to rx port struct */ +{ +RXD *pRxd; /* pointer to the current descriptor */ +unsigned long Flags; +SK_U64 PhysAddr; + + if (pRxPort->RxdRingFree == pAC->RxDescrPerRing) { + return; + } + spin_lock_irqsave(&pRxPort->RxDesRingLock, Flags); + pRxd = pRxPort->pRxdRingHead; + do { + if (pRxd->pMBuf != NULL) { + + PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; + PhysAddr |= (SK_U64) pRxd->VDataLow; + pci_unmap_page(pAC->PciDev, + PhysAddr, + pAC->RxBufSize - 2, + PCI_DMA_FROMDEVICE); + DEV_KFREE_SKB(pRxd->pMBuf); + pRxd->pMBuf = NULL; + } + pRxd->RBControl &= BMU_OWN; + pRxd = pRxd->pNextRxd; + pRxPort->RxdRingFree++; + } while (pRxd != pRxPort->pRxdRingTail); + pRxPort->pRxdRingTail = pRxPort->pRxdRingHead; + spin_unlock_irqrestore(&pRxPort->RxDesRingLock, Flags); +} /* ClearRxRing */ + +/***************************************************************************** + * + * ClearTxRing - remove all buffers from the transmit ring + * + * Description: + * This function removes all transmit buffers from the ring. + * The transmit BMU must be stopped before calling this function + * and transmitting at the upper level must be disabled. + * The BMU own bit of all descriptors is cleared, the rest is + * done by calling FreeTxDescriptors. + * + * Returns: N/A + */ +static void ClearTxRing( +SK_AC *pAC, /* pointer to adapter context */ +TX_PORT *pTxPort) /* pointer to tx prt struct */ +{ +TXD *pTxd; /* pointer to the current descriptor */ +int i; +unsigned long Flags; + + spin_lock_irqsave(&pTxPort->TxDesRingLock, Flags); + pTxd = pTxPort->pTxdRingHead; + for (i=0; i<pAC->TxDescrPerRing; i++) { + pTxd->TBControl &= ~BMU_OWN; + pTxd = pTxd->pNextTxd; + } + FreeTxDescriptors(pAC, pTxPort); + spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); +} /* ClearTxRing */ + +/***************************************************************************** + * + * SkGeSetMacAddr - Set the hardware MAC address + * + * Description: + * This function sets the MAC address used by the adapter. + * + * Returns: + * 0, if everything is ok + * !=0, on error + */ +static int SkGeSetMacAddr(struct SK_NET_DEVICE *dev, void *p) +{ + +DEV_NET *pNet = netdev_priv(dev); +SK_AC *pAC = pNet->pAC; + +struct sockaddr *addr = p; +unsigned long Flags; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeSetMacAddr starts now...\n")); + if(netif_running(dev)) + return -EBUSY; + + memcpy(dev->dev_addr, addr->sa_data,dev->addr_len); + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + + if (pAC->RlmtNets == 2) + SkAddrOverride(pAC, pAC->IoBase, pNet->NetNr, + (SK_MAC_ADDR*)dev->dev_addr, SK_ADDR_VIRTUAL_ADDRESS); + else + SkAddrOverride(pAC, pAC->IoBase, pAC->ActivePort, + (SK_MAC_ADDR*)dev->dev_addr, SK_ADDR_VIRTUAL_ADDRESS); + + + + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + return 0; +} /* SkGeSetMacAddr */ + + +/***************************************************************************** + * + * SkGeSetRxMode - set receive mode + * + * Description: + * This function sets the receive mode of an adapter. The adapter + * supports promiscuous mode, allmulticast mode and a number of + * multicast addresses. If more multicast addresses the available + * are selected, a hash function in the hardware is used. + * + * Returns: + * 0, if everything is ok + * !=0, on error + */ +static void SkGeSetRxMode(struct SK_NET_DEVICE *dev) +{ + +DEV_NET *pNet; +SK_AC *pAC; + +struct dev_mc_list *pMcList; +int i; +int PortIdx; +unsigned long Flags; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeSetRxMode starts now... ")); + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + if (pAC->RlmtNets == 1) + PortIdx = pAC->ActivePort; + else + PortIdx = pNet->NetNr; + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + if (dev->flags & IFF_PROMISC) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("PROMISCUOUS mode\n")); + SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, + SK_PROM_MODE_LLC); + } else if (dev->flags & IFF_ALLMULTI) { + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("ALLMULTI mode\n")); + SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, + SK_PROM_MODE_ALL_MC); + } else { + SkAddrPromiscuousChange(pAC, pAC->IoBase, PortIdx, + SK_PROM_MODE_NONE); + SkAddrMcClear(pAC, pAC->IoBase, PortIdx, 0); + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("Number of MC entries: %d ", dev->mc_count)); + + pMcList = dev->mc_list; + for (i=0; i<dev->mc_count; i++, pMcList = pMcList->next) { + SkAddrMcAdd(pAC, pAC->IoBase, PortIdx, + (SK_MAC_ADDR*)pMcList->dmi_addr, 0); + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_MCA, + ("%02x:%02x:%02x:%02x:%02x:%02x\n", + pMcList->dmi_addr[0], + pMcList->dmi_addr[1], + pMcList->dmi_addr[2], + pMcList->dmi_addr[3], + pMcList->dmi_addr[4], + pMcList->dmi_addr[5])); + } + SkAddrMcUpdate(pAC, pAC->IoBase, PortIdx); + } + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + return; +} /* SkGeSetRxMode */ + + +/***************************************************************************** + * + * SkGeChangeMtu - set the MTU to another value + * + * Description: + * This function sets is called whenever the MTU size is changed + * (ifconfig mtu xxx dev ethX). If the MTU is bigger than standard + * ethernet MTU size, long frame support is activated. + * + * Returns: + * 0, if everything is ok + * !=0, on error + */ +static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int NewMtu) +{ +DEV_NET *pNet; +struct net_device *pOtherDev; +SK_AC *pAC; +unsigned long Flags; +int i; +SK_EVPARA EvPara; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeChangeMtu starts now...\n")); + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + + if ((NewMtu < 68) || (NewMtu > SK_JUMBO_MTU)) { + return -EINVAL; + } + + if(pAC->BoardLevel != SK_INIT_RUN) { + return -EINVAL; + } + +#ifdef SK_DIAG_SUPPORT + if (pAC->DiagModeActive == DIAG_ACTIVE) { + if (pAC->DiagFlowCtrl == SK_FALSE) { + return -1; /* still in use, deny any actions of MTU */ + } else { + pAC->DiagFlowCtrl = SK_FALSE; + } + } +#endif + + pOtherDev = pAC->dev[1 - pNet->NetNr]; + + if ( netif_running(pOtherDev) && (pOtherDev->mtu > 1500) + && (NewMtu <= 1500)) + return 0; + + pAC->RxBufSize = NewMtu + 32; + dev->mtu = NewMtu; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("New MTU: %d\n", NewMtu)); + + /* + ** Prevent any reconfiguration while changing the MTU + ** by disabling any interrupts + */ + SK_OUT32(pAC->IoBase, B0_IMSK, 0); + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + + /* + ** Notify RLMT that any ports are to be stopped + */ + EvPara.Para32[0] = 0; + EvPara.Para32[1] = -1; + if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + EvPara.Para32[0] = 1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + } else { + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + } + + /* + ** After calling the SkEventDispatcher(), RLMT is aware about + ** the stopped ports -> configuration can take place! + */ + SkEventDispatcher(pAC, pAC->IoBase); + + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + spin_lock(&pAC->TxPort[i][TX_PRIO_LOW].TxDesRingLock); + netif_stop_queue(pAC->dev[i]); + + } + + /* + ** Depending on the desired MTU size change, a different number of + ** RX buffers need to be allocated + */ + if (NewMtu > 1500) { + /* + ** Use less rx buffers + */ + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { + pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing - + (pAC->RxDescrPerRing / 4); + } else { + if (i == pAC->ActivePort) { + pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing - + (pAC->RxDescrPerRing / 4); + } else { + pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing - + (pAC->RxDescrPerRing / 10); + } + } + } + } else { + /* + ** Use the normal amount of rx buffers + */ + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { + pAC->RxPort[i].RxFillLimit = 1; + } else { + if (i == pAC->ActivePort) { + pAC->RxPort[i].RxFillLimit = 1; + } else { + pAC->RxPort[i].RxFillLimit = pAC->RxDescrPerRing - + (pAC->RxDescrPerRing / 4); + } + } + } + } + + SkGeDeInit(pAC, pAC->IoBase); + + /* + ** enable/disable hardware support for long frames + */ + if (NewMtu > 1500) { +// pAC->JumboActivated = SK_TRUE; /* is never set back !!! */ + pAC->GIni.GIPortUsage = SK_JUMBO_LINK; + } else { + if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { + pAC->GIni.GIPortUsage = SK_MUL_LINK; + } else { + pAC->GIni.GIPortUsage = SK_RED_LINK; + } + } + + SkGeInit( pAC, pAC->IoBase, SK_INIT_IO); + SkI2cInit( pAC, pAC->IoBase, SK_INIT_IO); + SkEventInit(pAC, pAC->IoBase, SK_INIT_IO); + SkPnmiInit( pAC, pAC->IoBase, SK_INIT_IO); + SkAddrInit( pAC, pAC->IoBase, SK_INIT_IO); + SkRlmtInit( pAC, pAC->IoBase, SK_INIT_IO); + SkTimerInit(pAC, pAC->IoBase, SK_INIT_IO); + + /* + ** tschilling: + ** Speed and others are set back to default in level 1 init! + */ + GetConfiguration(pAC); + + SkGeInit( pAC, pAC->IoBase, SK_INIT_RUN); + SkI2cInit( pAC, pAC->IoBase, SK_INIT_RUN); + SkEventInit(pAC, pAC->IoBase, SK_INIT_RUN); + SkPnmiInit( pAC, pAC->IoBase, SK_INIT_RUN); + SkAddrInit( pAC, pAC->IoBase, SK_INIT_RUN); + SkRlmtInit( pAC, pAC->IoBase, SK_INIT_RUN); + SkTimerInit(pAC, pAC->IoBase, SK_INIT_RUN); + + /* + ** clear and reinit the rx rings here + */ + for (i=0; i<pAC->GIni.GIMacsFound; i++) { + ReceiveIrq(pAC, &pAC->RxPort[i], SK_TRUE); + ClearRxRing(pAC, &pAC->RxPort[i]); + FillRxRing(pAC, &pAC->RxPort[i]); + + /* + ** Enable transmit descriptor polling + */ + SkGePollTxD(pAC, pAC->IoBase, i, SK_TRUE); + FillRxRing(pAC, &pAC->RxPort[i]); + }; + + SkGeYellowLED(pAC, pAC->IoBase, 1); + SkDimEnableModerationIfNeeded(pAC); + SkDimDisplayModerationSettings(pAC); + + netif_start_queue(pAC->dev[pNet->PortNr]); + for (i=pAC->GIni.GIMacsFound-1; i>=0; i--) { + spin_unlock(&pAC->TxPort[i][TX_PRIO_LOW].TxDesRingLock); + } + + /* + ** Enable Interrupts again + */ + SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); + SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); + + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); + SkEventDispatcher(pAC, pAC->IoBase); + + /* + ** Notify RLMT about the changing and restarting one (or more) ports + */ + if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { + EvPara.Para32[0] = pAC->RlmtNets; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_SET_NETS, EvPara); + EvPara.Para32[0] = pNet->PortNr; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); + + if (netif_running(pOtherDev)) { + DEV_NET *pOtherNet = netdev_priv(pOtherDev); + EvPara.Para32[0] = pOtherNet->PortNr; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); + } + } else { + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, EvPara); + } + + SkEventDispatcher(pAC, pAC->IoBase); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + /* + ** While testing this driver with latest kernel 2.5 (2.5.70), it + ** seems as if upper layers have a problem to handle a successful + ** return value of '0'. If such a zero is returned, the complete + ** system hangs for several minutes (!), which is in acceptable. + ** + ** Currently it is not clear, what the exact reason for this problem + ** is. The implemented workaround for 2.5 is to return the desired + ** new MTU size if all needed changes for the new MTU size where + ** performed. In kernels 2.2 and 2.4, a zero value is returned, + ** which indicates the successful change of the mtu-size. + */ + return NewMtu; + +} /* SkGeChangeMtu */ + + +/***************************************************************************** + * + * SkGeStats - return ethernet device statistics + * + * Description: + * This function return statistic data about the ethernet device + * to the operating system. + * + * Returns: + * pointer to the statistic structure. + */ +static struct net_device_stats *SkGeStats(struct SK_NET_DEVICE *dev) +{ +DEV_NET *pNet = netdev_priv(dev); +SK_AC *pAC = pNet->pAC; +SK_PNMI_STRUCT_DATA *pPnmiStruct; /* structure for all Pnmi-Data */ +SK_PNMI_STAT *pPnmiStat; /* pointer to virtual XMAC stat. data */ +SK_PNMI_CONF *pPnmiConf; /* pointer to virtual link config. */ +unsigned int Size; /* size of pnmi struct */ +unsigned long Flags; /* for spin lock */ + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeStats starts now...\n")); + pPnmiStruct = &pAC->PnmiStruct; + +#ifdef SK_DIAG_SUPPORT + if ((pAC->DiagModeActive == DIAG_NOTACTIVE) && + (pAC->BoardLevel == SK_INIT_RUN)) { +#endif + SK_MEMSET(pPnmiStruct, 0, sizeof(SK_PNMI_STRUCT_DATA)); + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + Size = SK_PNMI_STRUCT_SIZE; + SkPnmiGetStruct(pAC, pAC->IoBase, pPnmiStruct, &Size, pNet->NetNr); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); +#ifdef SK_DIAG_SUPPORT + } +#endif + + pPnmiStat = &pPnmiStruct->Stat[0]; + pPnmiConf = &pPnmiStruct->Conf[0]; + + pAC->stats.rx_packets = (SK_U32) pPnmiStruct->RxDeliveredCts & 0xFFFFFFFF; + pAC->stats.tx_packets = (SK_U32) pPnmiStat->StatTxOkCts & 0xFFFFFFFF; + pAC->stats.rx_bytes = (SK_U32) pPnmiStruct->RxOctetsDeliveredCts; + pAC->stats.tx_bytes = (SK_U32) pPnmiStat->StatTxOctetsOkCts; + + if (dev->mtu <= 1500) { + pAC->stats.rx_errors = (SK_U32) pPnmiStruct->InErrorsCts & 0xFFFFFFFF; + } else { + pAC->stats.rx_errors = (SK_U32) ((pPnmiStruct->InErrorsCts - + pPnmiStat->StatRxTooLongCts) & 0xFFFFFFFF); + } + + + if (pAC->GIni.GP[0].PhyType == SK_PHY_XMAC && pAC->HWRevision < 12) + pAC->stats.rx_errors = pAC->stats.rx_errors - pPnmiStat->StatRxShortsCts; + + pAC->stats.tx_errors = (SK_U32) pPnmiStat->StatTxSingleCollisionCts & 0xFFFFFFFF; + pAC->stats.rx_dropped = (SK_U32) pPnmiStruct->RxNoBufCts & 0xFFFFFFFF; + pAC->stats.tx_dropped = (SK_U32) pPnmiStruct->TxNoBufCts & 0xFFFFFFFF; + pAC->stats.multicast = (SK_U32) pPnmiStat->StatRxMulticastOkCts & 0xFFFFFFFF; + pAC->stats.collisions = (SK_U32) pPnmiStat->StatTxSingleCollisionCts & 0xFFFFFFFF; + + /* detailed rx_errors: */ + pAC->stats.rx_length_errors = (SK_U32) pPnmiStat->StatRxRuntCts & 0xFFFFFFFF; + pAC->stats.rx_over_errors = (SK_U32) pPnmiStat->StatRxFifoOverflowCts & 0xFFFFFFFF; + pAC->stats.rx_crc_errors = (SK_U32) pPnmiStat->StatRxFcsCts & 0xFFFFFFFF; + pAC->stats.rx_frame_errors = (SK_U32) pPnmiStat->StatRxFramingCts & 0xFFFFFFFF; + pAC->stats.rx_fifo_errors = (SK_U32) pPnmiStat->StatRxFifoOverflowCts & 0xFFFFFFFF; + pAC->stats.rx_missed_errors = (SK_U32) pPnmiStat->StatRxMissedCts & 0xFFFFFFFF; + + /* detailed tx_errors */ + pAC->stats.tx_aborted_errors = (SK_U32) 0; + pAC->stats.tx_carrier_errors = (SK_U32) pPnmiStat->StatTxCarrierCts & 0xFFFFFFFF; + pAC->stats.tx_fifo_errors = (SK_U32) pPnmiStat->StatTxFifoUnderrunCts & 0xFFFFFFFF; + pAC->stats.tx_heartbeat_errors = (SK_U32) pPnmiStat->StatTxCarrierCts & 0xFFFFFFFF; + pAC->stats.tx_window_errors = (SK_U32) 0; + + return(&pAC->stats); +} /* SkGeStats */ + +/* + * Basic MII register access + */ +static int SkGeMiiIoctl(struct net_device *dev, + struct mii_ioctl_data *data, int cmd) +{ + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + SK_IOC IoC = pAC->IoBase; + int Port = pNet->PortNr; + SK_GEPORT *pPrt = &pAC->GIni.GP[Port]; + unsigned long Flags; + int err = 0; + int reg = data->reg_num & 0x1f; + SK_U16 val = data->val_in; + + if (!netif_running(dev)) + return -ENODEV; /* Phy still in reset */ + + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + switch(cmd) { + case SIOCGMIIPHY: + data->phy_id = pPrt->PhyAddr; + + /* fallthru */ + case SIOCGMIIREG: + if (pAC->GIni.GIGenesis) + SkXmPhyRead(pAC, IoC, Port, reg, &val); + else + SkGmPhyRead(pAC, IoC, Port, reg, &val); + + data->val_out = val; + break; + + case SIOCSMIIREG: + if (!capable(CAP_NET_ADMIN)) + err = -EPERM; + + else if (pAC->GIni.GIGenesis) + SkXmPhyWrite(pAC, IoC, Port, reg, val); + else + SkGmPhyWrite(pAC, IoC, Port, reg, val); + break; + default: + err = -EOPNOTSUPP; + } + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + return err; +} + + +/***************************************************************************** + * + * SkGeIoctl - IO-control function + * + * Description: + * This function is called if an ioctl is issued on the device. + * There are three subfunction for reading, writing and test-writing + * the private MIB data structure (useful for SysKonnect-internal tools). + * + * Returns: + * 0, if everything is ok + * !=0, on error + */ +static int SkGeIoctl(struct SK_NET_DEVICE *dev, struct ifreq *rq, int cmd) +{ +DEV_NET *pNet; +SK_AC *pAC; +void *pMemBuf; +struct pci_dev *pdev = NULL; +SK_GE_IOCTL Ioctl; +unsigned int Err = 0; +int Size = 0; +int Ret = 0; +unsigned int Length = 0; +int HeaderLength = sizeof(SK_U32) + sizeof(SK_U32); + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeIoctl starts now...\n")); + + pNet = netdev_priv(dev); + pAC = pNet->pAC; + + if (cmd == SIOCGMIIPHY || cmd == SIOCSMIIREG || cmd == SIOCGMIIREG) + return SkGeMiiIoctl(dev, if_mii(rq), cmd); + + if(copy_from_user(&Ioctl, rq->ifr_data, sizeof(SK_GE_IOCTL))) { + return -EFAULT; + } + + switch(cmd) { + case SK_IOCTL_SETMIB: + case SK_IOCTL_PRESETMIB: + if (!capable(CAP_NET_ADMIN)) return -EPERM; + case SK_IOCTL_GETMIB: + if(copy_from_user(&pAC->PnmiStruct, Ioctl.pData, + Ioctl.Len<sizeof(pAC->PnmiStruct)? + Ioctl.Len : sizeof(pAC->PnmiStruct))) { + return -EFAULT; + } + Size = SkGeIocMib(pNet, Ioctl.Len, cmd); + if(copy_to_user(Ioctl.pData, &pAC->PnmiStruct, + Ioctl.Len<Size? Ioctl.Len : Size)) { + return -EFAULT; + } + Ioctl.Len = Size; + if(copy_to_user(rq->ifr_data, &Ioctl, sizeof(SK_GE_IOCTL))) { + return -EFAULT; + } + break; + case SK_IOCTL_GEN: + if (Ioctl.Len < (sizeof(pAC->PnmiStruct) + HeaderLength)) { + Length = Ioctl.Len; + } else { + Length = sizeof(pAC->PnmiStruct) + HeaderLength; + } + if (NULL == (pMemBuf = kmalloc(Length, GFP_KERNEL))) { + return -ENOMEM; + } + if(copy_from_user(pMemBuf, Ioctl.pData, Length)) { + Err = -EFAULT; + goto fault_gen; + } + if ((Ret = SkPnmiGenIoctl(pAC, pAC->IoBase, pMemBuf, &Length, 0)) < 0) { + Err = -EFAULT; + goto fault_gen; + } + if(copy_to_user(Ioctl.pData, pMemBuf, Length) ) { + Err = -EFAULT; + goto fault_gen; + } + Ioctl.Len = Length; + if(copy_to_user(rq->ifr_data, &Ioctl, sizeof(SK_GE_IOCTL))) { + Err = -EFAULT; + goto fault_gen; + } +fault_gen: + kfree(pMemBuf); /* cleanup everything */ + break; +#ifdef SK_DIAG_SUPPORT + case SK_IOCTL_DIAG: + if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (Ioctl.Len < (sizeof(pAC->PnmiStruct) + HeaderLength)) { + Length = Ioctl.Len; + } else { + Length = sizeof(pAC->PnmiStruct) + HeaderLength; + } + if (NULL == (pMemBuf = kmalloc(Length, GFP_KERNEL))) { + return -ENOMEM; + } + if(copy_from_user(pMemBuf, Ioctl.pData, Length)) { + Err = -EFAULT; + goto fault_diag; + } + pdev = pAC->PciDev; + Length = 3 * sizeof(SK_U32); /* Error, Bus and Device */ + /* + ** While coding this new IOCTL interface, only a few lines of code + ** are to to be added. Therefore no dedicated function has been + ** added. If more functionality is added, a separate function + ** should be used... + */ + * ((SK_U32 *)pMemBuf) = 0; + * ((SK_U32 *)pMemBuf + 1) = pdev->bus->number; + * ((SK_U32 *)pMemBuf + 2) = ParseDeviceNbrFromSlotName(pci_name(pdev)); + if(copy_to_user(Ioctl.pData, pMemBuf, Length) ) { + Err = -EFAULT; + goto fault_diag; + } + Ioctl.Len = Length; + if(copy_to_user(rq->ifr_data, &Ioctl, sizeof(SK_GE_IOCTL))) { + Err = -EFAULT; + goto fault_diag; + } +fault_diag: + kfree(pMemBuf); /* cleanup everything */ + break; +#endif + default: + Err = -EOPNOTSUPP; + } + + return(Err); + +} /* SkGeIoctl */ + + +/***************************************************************************** + * + * SkGeIocMib - handle a GetMib, SetMib- or PresetMib-ioctl message + * + * Description: + * This function reads/writes the MIB data using PNMI (Private Network + * Management Interface). + * The destination for the data must be provided with the + * ioctl call and is given to the driver in the form of + * a user space address. + * Copying from the user-provided data area into kernel messages + * and back is done by copy_from_user and copy_to_user calls in + * SkGeIoctl. + * + * Returns: + * returned size from PNMI call + */ +static int SkGeIocMib( +DEV_NET *pNet, /* pointer to the adapter context */ +unsigned int Size, /* length of ioctl data */ +int mode) /* flag for set/preset */ +{ +unsigned long Flags; /* for spin lock */ +SK_AC *pAC; + + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("SkGeIocMib starts now...\n")); + pAC = pNet->pAC; + /* access MIB */ + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + switch(mode) { + case SK_IOCTL_GETMIB: + SkPnmiGetStruct(pAC, pAC->IoBase, &pAC->PnmiStruct, &Size, + pNet->NetNr); + break; + case SK_IOCTL_PRESETMIB: + SkPnmiPreSetStruct(pAC, pAC->IoBase, &pAC->PnmiStruct, &Size, + pNet->NetNr); + break; + case SK_IOCTL_SETMIB: + SkPnmiSetStruct(pAC, pAC->IoBase, &pAC->PnmiStruct, &Size, + pNet->NetNr); + break; + default: + break; + } + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, + ("MIB data access succeeded\n")); + return (Size); +} /* SkGeIocMib */ + + +/***************************************************************************** + * + * GetConfiguration - read configuration information + * + * Description: + * This function reads per-adapter configuration information from + * the options provided on the command line. + * + * Returns: + * none + */ +static void GetConfiguration( +SK_AC *pAC) /* pointer to the adapter context structure */ +{ +SK_I32 Port; /* preferred port */ +SK_BOOL AutoSet; +SK_BOOL DupSet; +int LinkSpeed = SK_LSPEED_AUTO; /* Link speed */ +int AutoNeg = 1; /* autoneg off (0) or on (1) */ +int DuplexCap = 0; /* 0=both,1=full,2=half */ +int FlowCtrl = SK_FLOW_MODE_SYM_OR_REM; /* FlowControl */ +int MSMode = SK_MS_MODE_AUTO; /* master/slave mode */ + +SK_BOOL IsConTypeDefined = SK_TRUE; +SK_BOOL IsLinkSpeedDefined = SK_TRUE; +SK_BOOL IsFlowCtrlDefined = SK_TRUE; +SK_BOOL IsRoleDefined = SK_TRUE; +SK_BOOL IsModeDefined = SK_TRUE; +/* + * The two parameters AutoNeg. and DuplexCap. map to one configuration + * parameter. The mapping is described by this table: + * DuplexCap -> | both | full | half | + * AutoNeg | | | | + * ----------------------------------------------------------------- + * Off | illegal | Full | Half | + * ----------------------------------------------------------------- + * On | AutoBoth | AutoFull | AutoHalf | + * ----------------------------------------------------------------- + * Sense | AutoSense | AutoSense | AutoSense | + */ +int Capabilities[3][3] = + { { -1, SK_LMODE_FULL , SK_LMODE_HALF }, + {SK_LMODE_AUTOBOTH , SK_LMODE_AUTOFULL , SK_LMODE_AUTOHALF }, + {SK_LMODE_AUTOSENSE, SK_LMODE_AUTOSENSE, SK_LMODE_AUTOSENSE} }; + +#define DC_BOTH 0 +#define DC_FULL 1 +#define DC_HALF 2 +#define AN_OFF 0 +#define AN_ON 1 +#define AN_SENS 2 +#define M_CurrPort pAC->GIni.GP[Port] + + + /* + ** Set the default values first for both ports! + */ + for (Port = 0; Port < SK_MAX_MACS; Port++) { + M_CurrPort.PLinkModeConf = Capabilities[AN_ON][DC_BOTH]; + M_CurrPort.PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM; + M_CurrPort.PMSMode = SK_MS_MODE_AUTO; + M_CurrPort.PLinkSpeed = SK_LSPEED_AUTO; + } + + /* + ** Check merged parameter ConType. If it has not been used, + ** verify any other parameter (e.g. AutoNeg) and use default values. + ** + ** Stating both ConType and other lowlevel link parameters is also + ** possible. If this is the case, the passed ConType-parameter is + ** overwritten by the lowlevel link parameter. + ** + ** The following settings are used for a merged ConType-parameter: + ** + ** ConType DupCap AutoNeg FlowCtrl Role Speed + ** ------- ------ ------- -------- ---------- ----- + ** Auto Both On SymOrRem Auto Auto + ** 100FD Full Off None <ignored> 100 + ** 100HD Half Off None <ignored> 100 + ** 10FD Full Off None <ignored> 10 + ** 10HD Half Off None <ignored> 10 + ** + ** This ConType parameter is used for all ports of the adapter! + */ + if ( (ConType != NULL) && + (pAC->Index < SK_MAX_CARD_PARAM) && + (ConType[pAC->Index] != NULL) ) { + + /* Check chipset family */ + if ((!pAC->ChipsetType) && + (strcmp(ConType[pAC->Index],"Auto")!=0) && + (strcmp(ConType[pAC->Index],"")!=0)) { + /* Set the speed parameter back */ + printk("sk98lin: Illegal value \"%s\" " + "for ConType." + " Using Auto.\n", + ConType[pAC->Index]); + + sprintf(ConType[pAC->Index], "Auto"); + } + + if (strcmp(ConType[pAC->Index],"")==0) { + IsConTypeDefined = SK_FALSE; /* No ConType defined */ + } else if (strcmp(ConType[pAC->Index],"Auto")==0) { + for (Port = 0; Port < SK_MAX_MACS; Port++) { + M_CurrPort.PLinkModeConf = Capabilities[AN_ON][DC_BOTH]; + M_CurrPort.PFlowCtrlMode = SK_FLOW_MODE_SYM_OR_REM; + M_CurrPort.PMSMode = SK_MS_MODE_AUTO; + M_CurrPort.PLinkSpeed = SK_LSPEED_AUTO; + } + } else if (strcmp(ConType[pAC->Index],"100FD")==0) { + for (Port = 0; Port < SK_MAX_MACS; Port++) { + M_CurrPort.PLinkModeConf = Capabilities[AN_OFF][DC_FULL]; + M_CurrPort.PFlowCtrlMode = SK_FLOW_MODE_NONE; + M_CurrPort.PMSMode = SK_MS_MODE_AUTO; + M_CurrPort.PLinkSpeed = SK_LSPEED_100MBPS; + } + } else if (strcmp(ConType[pAC->Index],"100HD")==0) { + for (Port = 0; Port < SK_MAX_MACS; Port++) { + M_CurrPort.PLinkModeConf = Capabilities[AN_OFF][DC_HALF]; + M_CurrPort.PFlowCtrlMode = SK_FLOW_MODE_NONE; + M_CurrPort.PMSMode = SK_MS_MODE_AUTO; + M_CurrPort.PLinkSpeed = SK_LSPEED_100MBPS; + } + } else if (strcmp(ConType[pAC->Index],"10FD")==0) { + for (Port = 0; Port < SK_MAX_MACS; Port++) { + M_CurrPort.PLinkModeConf = Capabilities[AN_OFF][DC_FULL]; + M_CurrPort.PFlowCtrlMode = SK_FLOW_MODE_NONE; + M_CurrPort.PMSMode = SK_MS_MODE_AUTO; + M_CurrPort.PLinkSpeed = SK_LSPEED_10MBPS; + } + } else if (strcmp(ConType[pAC->Index],"10HD")==0) { + for (Port = 0; Port < SK_MAX_MACS; Port++) { + M_CurrPort.PLinkModeConf = Capabilities[AN_OFF][DC_HALF]; + M_CurrPort.PFlowCtrlMode = SK_FLOW_MODE_NONE; + M_CurrPort.PMSMode = SK_MS_MODE_AUTO; + M_CurrPort.PLinkSpeed = SK_LSPEED_10MBPS; + } + } else { + printk("sk98lin: Illegal value \"%s\" for ConType\n", + ConType[pAC->Index]); + IsConTypeDefined = SK_FALSE; /* Wrong ConType defined */ + } + } else { + IsConTypeDefined = SK_FALSE; /* No ConType defined */ + } + + /* + ** Parse any parameter settings for port A: + ** a) any LinkSpeed stated? + */ + if (Speed_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && + Speed_A[pAC->Index] != NULL) { + if (strcmp(Speed_A[pAC->Index],"")==0) { + IsLinkSpeedDefined = SK_FALSE; + } else if (strcmp(Speed_A[pAC->Index],"Auto")==0) { + LinkSpeed = SK_LSPEED_AUTO; + } else if (strcmp(Speed_A[pAC->Index],"10")==0) { + LinkSpeed = SK_LSPEED_10MBPS; + } else if (strcmp(Speed_A[pAC->Index],"100")==0) { + LinkSpeed = SK_LSPEED_100MBPS; + } else if (strcmp(Speed_A[pAC->Index],"1000")==0) { + LinkSpeed = SK_LSPEED_1000MBPS; + } else { + printk("sk98lin: Illegal value \"%s\" for Speed_A\n", + Speed_A[pAC->Index]); + IsLinkSpeedDefined = SK_FALSE; + } + } else { + IsLinkSpeedDefined = SK_FALSE; + } + + /* + ** Check speed parameter: + ** Only copper type adapter and GE V2 cards + */ + if (((!pAC->ChipsetType) || (pAC->GIni.GICopperType != SK_TRUE)) && + ((LinkSpeed != SK_LSPEED_AUTO) && + (LinkSpeed != SK_LSPEED_1000MBPS))) { + printk("sk98lin: Illegal value for Speed_A. " + "Not a copper card or GE V2 card\n Using " + "speed 1000\n"); + LinkSpeed = SK_LSPEED_1000MBPS; + } + + /* + ** Decide whether to set new config value if somethig valid has + ** been received. + */ + if (IsLinkSpeedDefined) { + pAC->GIni.GP[0].PLinkSpeed = LinkSpeed; + } + + /* + ** b) Any Autonegotiation and DuplexCapabilities set? + ** Please note that both belong together... + */ + AutoNeg = AN_ON; /* tschilling: Default: Autonegotiation on! */ + AutoSet = SK_FALSE; + if (AutoNeg_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && + AutoNeg_A[pAC->Index] != NULL) { + AutoSet = SK_TRUE; + if (strcmp(AutoNeg_A[pAC->Index],"")==0) { + AutoSet = SK_FALSE; + } else if (strcmp(AutoNeg_A[pAC->Index],"On")==0) { + AutoNeg = AN_ON; + } else if (strcmp(AutoNeg_A[pAC->Index],"Off")==0) { + AutoNeg = AN_OFF; + } else if (strcmp(AutoNeg_A[pAC->Index],"Sense")==0) { + AutoNeg = AN_SENS; + } else { + printk("sk98lin: Illegal value \"%s\" for AutoNeg_A\n", + AutoNeg_A[pAC->Index]); + } + } + + DuplexCap = DC_BOTH; + DupSet = SK_FALSE; + if (DupCap_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && + DupCap_A[pAC->Index] != NULL) { + DupSet = SK_TRUE; + if (strcmp(DupCap_A[pAC->Index],"")==0) { + DupSet = SK_FALSE; + } else if (strcmp(DupCap_A[pAC->Index],"Both")==0) { + DuplexCap = DC_BOTH; + } else if (strcmp(DupCap_A[pAC->Index],"Full")==0) { + DuplexCap = DC_FULL; + } else if (strcmp(DupCap_A[pAC->Index],"Half")==0) { + DuplexCap = DC_HALF; + } else { + printk("sk98lin: Illegal value \"%s\" for DupCap_A\n", + DupCap_A[pAC->Index]); + } + } + + /* + ** Check for illegal combinations + */ + if ((LinkSpeed == SK_LSPEED_1000MBPS) && + ((DuplexCap == SK_LMODE_STAT_AUTOHALF) || + (DuplexCap == SK_LMODE_STAT_HALF)) && + (pAC->ChipsetType)) { + printk("sk98lin: Half Duplex not possible with Gigabit speed!\n" + " Using Full Duplex.\n"); + DuplexCap = DC_FULL; + } + + if ( AutoSet && AutoNeg==AN_SENS && DupSet) { + printk("sk98lin, Port A: DuplexCapabilities" + " ignored using Sense mode\n"); + } + + if (AutoSet && AutoNeg==AN_OFF && DupSet && DuplexCap==DC_BOTH){ + printk("sk98lin: Port A: Illegal combination" + " of values AutoNeg. and DuplexCap.\n Using " + "Full Duplex\n"); + DuplexCap = DC_FULL; + } + + if (AutoSet && AutoNeg==AN_OFF && !DupSet) { + DuplexCap = DC_FULL; + } + + if (!AutoSet && DupSet) { + printk("sk98lin: Port A: Duplex setting not" + " possible in\n default AutoNegotiation mode" + " (Sense).\n Using AutoNegotiation On\n"); + AutoNeg = AN_ON; + } + + /* + ** set the desired mode + */ + if (AutoSet || DupSet) { + pAC->GIni.GP[0].PLinkModeConf = Capabilities[AutoNeg][DuplexCap]; + } + + /* + ** c) Any Flowcontrol-parameter set? + */ + if (FlowCtrl_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && + FlowCtrl_A[pAC->Index] != NULL) { + if (strcmp(FlowCtrl_A[pAC->Index],"") == 0) { + IsFlowCtrlDefined = SK_FALSE; + } else if (strcmp(FlowCtrl_A[pAC->Index],"SymOrRem") == 0) { + FlowCtrl = SK_FLOW_MODE_SYM_OR_REM; + } else if (strcmp(FlowCtrl_A[pAC->Index],"Sym")==0) { + FlowCtrl = SK_FLOW_MODE_SYMMETRIC; + } else if (strcmp(FlowCtrl_A[pAC->Index],"LocSend")==0) { + FlowCtrl = SK_FLOW_MODE_LOC_SEND; + } else if (strcmp(FlowCtrl_A[pAC->Index],"None")==0) { + FlowCtrl = SK_FLOW_MODE_NONE; + } else { + printk("sk98lin: Illegal value \"%s\" for FlowCtrl_A\n", + FlowCtrl_A[pAC->Index]); + IsFlowCtrlDefined = SK_FALSE; + } + } else { + IsFlowCtrlDefined = SK_FALSE; + } + + if (IsFlowCtrlDefined) { + if ((AutoNeg == AN_OFF) && (FlowCtrl != SK_FLOW_MODE_NONE)) { + printk("sk98lin: Port A: FlowControl" + " impossible without AutoNegotiation," + " disabled\n"); + FlowCtrl = SK_FLOW_MODE_NONE; + } + pAC->GIni.GP[0].PFlowCtrlMode = FlowCtrl; + } + + /* + ** d) What is with the RoleParameter? + */ + if (Role_A != NULL && pAC->Index<SK_MAX_CARD_PARAM && + Role_A[pAC->Index] != NULL) { + if (strcmp(Role_A[pAC->Index],"")==0) { + IsRoleDefined = SK_FALSE; + } else if (strcmp(Role_A[pAC->Index],"Auto")==0) { + MSMode = SK_MS_MODE_AUTO; + } else if (strcmp(Role_A[pAC->Index],"Master")==0) { + MSMode = SK_MS_MODE_MASTER; + } else if (strcmp(Role_A[pAC->Index],"Slave")==0) { + MSMode = SK_MS_MODE_SLAVE; + } else { + printk("sk98lin: Illegal value \"%s\" for Role_A\n", + Role_A[pAC->Index]); + IsRoleDefined = SK_FALSE; + } + } else { + IsRoleDefined = SK_FALSE; + } + + if (IsRoleDefined == SK_TRUE) { + pAC->GIni.GP[0].PMSMode = MSMode; + } + + + + /* + ** Parse any parameter settings for port B: + ** a) any LinkSpeed stated? + */ + IsConTypeDefined = SK_TRUE; + IsLinkSpeedDefined = SK_TRUE; + IsFlowCtrlDefined = SK_TRUE; + IsModeDefined = SK_TRUE; + + if (Speed_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && + Speed_B[pAC->Index] != NULL) { + if (strcmp(Speed_B[pAC->Index],"")==0) { + IsLinkSpeedDefined = SK_FALSE; + } else if (strcmp(Speed_B[pAC->Index],"Auto")==0) { + LinkSpeed = SK_LSPEED_AUTO; + } else if (strcmp(Speed_B[pAC->Index],"10")==0) { + LinkSpeed = SK_LSPEED_10MBPS; + } else if (strcmp(Speed_B[pAC->Index],"100")==0) { + LinkSpeed = SK_LSPEED_100MBPS; + } else if (strcmp(Speed_B[pAC->Index],"1000")==0) { + LinkSpeed = SK_LSPEED_1000MBPS; + } else { + printk("sk98lin: Illegal value \"%s\" for Speed_B\n", + Speed_B[pAC->Index]); + IsLinkSpeedDefined = SK_FALSE; + } + } else { + IsLinkSpeedDefined = SK_FALSE; + } + + /* + ** Check speed parameter: + ** Only copper type adapter and GE V2 cards + */ + if (((!pAC->ChipsetType) || (pAC->GIni.GICopperType != SK_TRUE)) && + ((LinkSpeed != SK_LSPEED_AUTO) && + (LinkSpeed != SK_LSPEED_1000MBPS))) { + printk("sk98lin: Illegal value for Speed_B. " + "Not a copper card or GE V2 card\n Using " + "speed 1000\n"); + LinkSpeed = SK_LSPEED_1000MBPS; + } + + /* + ** Decide whether to set new config value if somethig valid has + ** been received. + */ + if (IsLinkSpeedDefined) { + pAC->GIni.GP[1].PLinkSpeed = LinkSpeed; + } + + /* + ** b) Any Autonegotiation and DuplexCapabilities set? + ** Please note that both belong together... + */ + AutoNeg = AN_SENS; /* default: do auto Sense */ + AutoSet = SK_FALSE; + if (AutoNeg_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && + AutoNeg_B[pAC->Index] != NULL) { + AutoSet = SK_TRUE; + if (strcmp(AutoNeg_B[pAC->Index],"")==0) { + AutoSet = SK_FALSE; + } else if (strcmp(AutoNeg_B[pAC->Index],"On")==0) { + AutoNeg = AN_ON; + } else if (strcmp(AutoNeg_B[pAC->Index],"Off")==0) { + AutoNeg = AN_OFF; + } else if (strcmp(AutoNeg_B[pAC->Index],"Sense")==0) { + AutoNeg = AN_SENS; + } else { + printk("sk98lin: Illegal value \"%s\" for AutoNeg_B\n", + AutoNeg_B[pAC->Index]); + } + } + + DuplexCap = DC_BOTH; + DupSet = SK_FALSE; + if (DupCap_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && + DupCap_B[pAC->Index] != NULL) { + DupSet = SK_TRUE; + if (strcmp(DupCap_B[pAC->Index],"")==0) { + DupSet = SK_FALSE; + } else if (strcmp(DupCap_B[pAC->Index],"Both")==0) { + DuplexCap = DC_BOTH; + } else if (strcmp(DupCap_B[pAC->Index],"Full")==0) { + DuplexCap = DC_FULL; + } else if (strcmp(DupCap_B[pAC->Index],"Half")==0) { + DuplexCap = DC_HALF; + } else { + printk("sk98lin: Illegal value \"%s\" for DupCap_B\n", + DupCap_B[pAC->Index]); + } + } + + + /* + ** Check for illegal combinations + */ + if ((LinkSpeed == SK_LSPEED_1000MBPS) && + ((DuplexCap == SK_LMODE_STAT_AUTOHALF) || + (DuplexCap == SK_LMODE_STAT_HALF)) && + (pAC->ChipsetType)) { + printk("sk98lin: Half Duplex not possible with Gigabit speed!\n" + " Using Full Duplex.\n"); + DuplexCap = DC_FULL; + } + + if (AutoSet && AutoNeg==AN_SENS && DupSet) { + printk("sk98lin, Port B: DuplexCapabilities" + " ignored using Sense mode\n"); + } + + if (AutoSet && AutoNeg==AN_OFF && DupSet && DuplexCap==DC_BOTH){ + printk("sk98lin: Port B: Illegal combination" + " of values AutoNeg. and DuplexCap.\n Using " + "Full Duplex\n"); + DuplexCap = DC_FULL; + } + + if (AutoSet && AutoNeg==AN_OFF && !DupSet) { + DuplexCap = DC_FULL; + } + + if (!AutoSet && DupSet) { + printk("sk98lin: Port B: Duplex setting not" + " possible in\n default AutoNegotiation mode" + " (Sense).\n Using AutoNegotiation On\n"); + AutoNeg = AN_ON; + } + + /* + ** set the desired mode + */ + if (AutoSet || DupSet) { + pAC->GIni.GP[1].PLinkModeConf = Capabilities[AutoNeg][DuplexCap]; + } + + /* + ** c) Any FlowCtrl parameter set? + */ + if (FlowCtrl_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && + FlowCtrl_B[pAC->Index] != NULL) { + if (strcmp(FlowCtrl_B[pAC->Index],"") == 0) { + IsFlowCtrlDefined = SK_FALSE; + } else if (strcmp(FlowCtrl_B[pAC->Index],"SymOrRem") == 0) { + FlowCtrl = SK_FLOW_MODE_SYM_OR_REM; + } else if (strcmp(FlowCtrl_B[pAC->Index],"Sym")==0) { + FlowCtrl = SK_FLOW_MODE_SYMMETRIC; + } else if (strcmp(FlowCtrl_B[pAC->Index],"LocSend")==0) { + FlowCtrl = SK_FLOW_MODE_LOC_SEND; + } else if (strcmp(FlowCtrl_B[pAC->Index],"None")==0) { + FlowCtrl = SK_FLOW_MODE_NONE; + } else { + printk("sk98lin: Illegal value \"%s\" for FlowCtrl_B\n", + FlowCtrl_B[pAC->Index]); + IsFlowCtrlDefined = SK_FALSE; + } + } else { + IsFlowCtrlDefined = SK_FALSE; + } + + if (IsFlowCtrlDefined) { + if ((AutoNeg == AN_OFF) && (FlowCtrl != SK_FLOW_MODE_NONE)) { + printk("sk98lin: Port B: FlowControl" + " impossible without AutoNegotiation," + " disabled\n"); + FlowCtrl = SK_FLOW_MODE_NONE; + } + pAC->GIni.GP[1].PFlowCtrlMode = FlowCtrl; + } + + /* + ** d) What is the RoleParameter? + */ + if (Role_B != NULL && pAC->Index<SK_MAX_CARD_PARAM && + Role_B[pAC->Index] != NULL) { + if (strcmp(Role_B[pAC->Index],"")==0) { + IsRoleDefined = SK_FALSE; + } else if (strcmp(Role_B[pAC->Index],"Auto")==0) { + MSMode = SK_MS_MODE_AUTO; + } else if (strcmp(Role_B[pAC->Index],"Master")==0) { + MSMode = SK_MS_MODE_MASTER; + } else if (strcmp(Role_B[pAC->Index],"Slave")==0) { + MSMode = SK_MS_MODE_SLAVE; + } else { + printk("sk98lin: Illegal value \"%s\" for Role_B\n", + Role_B[pAC->Index]); + IsRoleDefined = SK_FALSE; + } + } else { + IsRoleDefined = SK_FALSE; + } + + if (IsRoleDefined) { + pAC->GIni.GP[1].PMSMode = MSMode; + } + + /* + ** Evaluate settings for both ports + */ + pAC->ActivePort = 0; + if (PrefPort != NULL && pAC->Index<SK_MAX_CARD_PARAM && + PrefPort[pAC->Index] != NULL) { + if (strcmp(PrefPort[pAC->Index],"") == 0) { /* Auto */ + pAC->ActivePort = 0; + pAC->Rlmt.Net[0].Preference = -1; /* auto */ + pAC->Rlmt.Net[0].PrefPort = 0; + } else if (strcmp(PrefPort[pAC->Index],"A") == 0) { + /* + ** do not set ActivePort here, thus a port + ** switch is issued after net up. + */ + Port = 0; + pAC->Rlmt.Net[0].Preference = Port; + pAC->Rlmt.Net[0].PrefPort = Port; + } else if (strcmp(PrefPort[pAC->Index],"B") == 0) { + /* + ** do not set ActivePort here, thus a port + ** switch is issued after net up. + */ + if (pAC->GIni.GIMacsFound == 1) { + printk("sk98lin: Illegal value \"B\" for PrefPort.\n" + " Port B not available on single port adapters.\n"); + + pAC->ActivePort = 0; + pAC->Rlmt.Net[0].Preference = -1; /* auto */ + pAC->Rlmt.Net[0].PrefPort = 0; + } else { + Port = 1; + pAC->Rlmt.Net[0].Preference = Port; + pAC->Rlmt.Net[0].PrefPort = Port; + } + } else { + printk("sk98lin: Illegal value \"%s\" for PrefPort\n", + PrefPort[pAC->Index]); + } + } + + pAC->RlmtNets = 1; + + if (RlmtMode != NULL && pAC->Index<SK_MAX_CARD_PARAM && + RlmtMode[pAC->Index] != NULL) { + if (strcmp(RlmtMode[pAC->Index], "") == 0) { + pAC->RlmtMode = 0; + } else if (strcmp(RlmtMode[pAC->Index], "CheckLinkState") == 0) { + pAC->RlmtMode = SK_RLMT_CHECK_LINK; + } else if (strcmp(RlmtMode[pAC->Index], "CheckLocalPort") == 0) { + pAC->RlmtMode = SK_RLMT_CHECK_LINK | + SK_RLMT_CHECK_LOC_LINK; + } else if (strcmp(RlmtMode[pAC->Index], "CheckSeg") == 0) { + pAC->RlmtMode = SK_RLMT_CHECK_LINK | + SK_RLMT_CHECK_LOC_LINK | + SK_RLMT_CHECK_SEG; + } else if ((strcmp(RlmtMode[pAC->Index], "DualNet") == 0) && + (pAC->GIni.GIMacsFound == 2)) { + pAC->RlmtMode = SK_RLMT_CHECK_LINK; + pAC->RlmtNets = 2; + } else { + printk("sk98lin: Illegal value \"%s\" for" + " RlmtMode, using default\n", + RlmtMode[pAC->Index]); + pAC->RlmtMode = 0; + } + } else { + pAC->RlmtMode = 0; + } + + /* + ** Check the interrupt moderation parameters + */ + if (Moderation[pAC->Index] != NULL) { + if (strcmp(Moderation[pAC->Index], "") == 0) { + pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_NONE; + } else if (strcmp(Moderation[pAC->Index], "Static") == 0) { + pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_STATIC; + } else if (strcmp(Moderation[pAC->Index], "Dynamic") == 0) { + pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_DYNAMIC; + } else if (strcmp(Moderation[pAC->Index], "None") == 0) { + pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_NONE; + } else { + printk("sk98lin: Illegal value \"%s\" for Moderation.\n" + " Disable interrupt moderation.\n", + Moderation[pAC->Index]); + pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_NONE; + } + } else { + pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_NONE; + } + + if (Stats[pAC->Index] != NULL) { + if (strcmp(Stats[pAC->Index], "Yes") == 0) { + pAC->DynIrqModInfo.DisplayStats = SK_TRUE; + } else { + pAC->DynIrqModInfo.DisplayStats = SK_FALSE; + } + } else { + pAC->DynIrqModInfo.DisplayStats = SK_FALSE; + } + + if (ModerationMask[pAC->Index] != NULL) { + if (strcmp(ModerationMask[pAC->Index], "Rx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_ONLY; + } else if (strcmp(ModerationMask[pAC->Index], "Tx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_TX_ONLY; + } else if (strcmp(ModerationMask[pAC->Index], "Sp") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_SP_ONLY; + } else if (strcmp(ModerationMask[pAC->Index], "RxSp") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_SP_RX; + } else if (strcmp(ModerationMask[pAC->Index], "SpRx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_SP_RX; + } else if (strcmp(ModerationMask[pAC->Index], "RxTx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_TX_RX; + } else if (strcmp(ModerationMask[pAC->Index], "TxRx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_TX_RX; + } else if (strcmp(ModerationMask[pAC->Index], "TxSp") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_SP_TX; + } else if (strcmp(ModerationMask[pAC->Index], "SpTx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_SP_TX; + } else if (strcmp(ModerationMask[pAC->Index], "RxTxSp") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_TX_SP; + } else if (strcmp(ModerationMask[pAC->Index], "RxSpTx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_TX_SP; + } else if (strcmp(ModerationMask[pAC->Index], "TxRxSp") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_TX_SP; + } else if (strcmp(ModerationMask[pAC->Index], "TxSpRx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_TX_SP; + } else if (strcmp(ModerationMask[pAC->Index], "SpTxRx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_TX_SP; + } else if (strcmp(ModerationMask[pAC->Index], "SpRxTx") == 0) { + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_TX_SP; + } else { /* some rubbish */ + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_RX_ONLY; + } + } else { /* operator has stated nothing */ + pAC->DynIrqModInfo.MaskIrqModeration = IRQ_MASK_TX_RX; + } + + if (AutoSizing[pAC->Index] != NULL) { + if (strcmp(AutoSizing[pAC->Index], "On") == 0) { + pAC->DynIrqModInfo.AutoSizing = SK_FALSE; + } else { + pAC->DynIrqModInfo.AutoSizing = SK_FALSE; + } + } else { /* operator has stated nothing */ + pAC->DynIrqModInfo.AutoSizing = SK_FALSE; + } + + if (IntsPerSec[pAC->Index] != 0) { + if ((IntsPerSec[pAC->Index]< C_INT_MOD_IPS_LOWER_RANGE) || + (IntsPerSec[pAC->Index] > C_INT_MOD_IPS_UPPER_RANGE)) { + printk("sk98lin: Illegal value \"%d\" for IntsPerSec. (Range: %d - %d)\n" + " Using default value of %i.\n", + IntsPerSec[pAC->Index], + C_INT_MOD_IPS_LOWER_RANGE, + C_INT_MOD_IPS_UPPER_RANGE, + C_INTS_PER_SEC_DEFAULT); + pAC->DynIrqModInfo.MaxModIntsPerSec = C_INTS_PER_SEC_DEFAULT; + } else { + pAC->DynIrqModInfo.MaxModIntsPerSec = IntsPerSec[pAC->Index]; + } + } else { + pAC->DynIrqModInfo.MaxModIntsPerSec = C_INTS_PER_SEC_DEFAULT; + } + + /* + ** Evaluate upper and lower moderation threshold + */ + pAC->DynIrqModInfo.MaxModIntsPerSecUpperLimit = + pAC->DynIrqModInfo.MaxModIntsPerSec + + (pAC->DynIrqModInfo.MaxModIntsPerSec / 2); + + pAC->DynIrqModInfo.MaxModIntsPerSecLowerLimit = + pAC->DynIrqModInfo.MaxModIntsPerSec - + (pAC->DynIrqModInfo.MaxModIntsPerSec / 2); + + pAC->DynIrqModInfo.PrevTimeVal = jiffies; /* initial value */ + + +} /* GetConfiguration */ + + +/***************************************************************************** + * + * ProductStr - return a adapter identification string from vpd + * + * Description: + * This function reads the product name string from the vpd area + * and puts it the field pAC->DeviceString. + * + * Returns: N/A + */ +static inline int ProductStr( + SK_AC *pAC, /* pointer to adapter context */ + char *DeviceStr, /* result string */ + int StrLen /* length of the string */ +) +{ +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, DeviceStr, &StrLen); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + + return ReturnCode; +} /* ProductStr */ + +/***************************************************************************** + * + * StartDrvCleanupTimer - Start timer to check for descriptors which + * might be placed in descriptor ring, but + * havent been handled up to now + * + * Description: + * This function requests a HW-timer fo the Yukon card. The actions to + * perform when this timer expires, are located in the SkDrvEvent(). + * + * Returns: N/A + */ +static void +StartDrvCleanupTimer(SK_AC *pAC) { + SK_EVPARA EventParam; /* Event struct for timer event */ + + SK_MEMSET((char *) &EventParam, 0, sizeof(EventParam)); + EventParam.Para32[0] = SK_DRV_RX_CLEANUP_TIMER; + SkTimerStart(pAC, pAC->IoBase, &pAC->DrvCleanupTimer, + SK_DRV_RX_CLEANUP_TIMER_LENGTH, + SKGE_DRV, SK_DRV_TIMER, EventParam); +} + +/***************************************************************************** + * + * StopDrvCleanupTimer - Stop timer to check for descriptors + * + * Description: + * This function requests a HW-timer fo the Yukon card. The actions to + * perform when this timer expires, are located in the SkDrvEvent(). + * + * Returns: N/A + */ +static void +StopDrvCleanupTimer(SK_AC *pAC) { + SkTimerStop(pAC, pAC->IoBase, &pAC->DrvCleanupTimer); + SK_MEMSET((char *) &pAC->DrvCleanupTimer, 0, sizeof(SK_TIMER)); +} + +/****************************************************************************/ +/* functions for common modules *********************************************/ +/****************************************************************************/ + + +/***************************************************************************** + * + * SkDrvAllocRlmtMbuf - allocate an RLMT mbuf + * + * Description: + * This routine returns an RLMT mbuf or NULL. The RLMT Mbuf structure + * is embedded into a socket buff data area. + * + * Context: + * runtime + * + * Returns: + * NULL or pointer to Mbuf. + */ +SK_MBUF *SkDrvAllocRlmtMbuf( +SK_AC *pAC, /* pointer to adapter context */ +SK_IOC IoC, /* the IO-context */ +unsigned BufferSize) /* size of the requested buffer */ +{ +SK_MBUF *pRlmtMbuf; /* pointer to a new rlmt-mbuf structure */ +struct sk_buff *pMsgBlock; /* pointer to a new message block */ + + pMsgBlock = alloc_skb(BufferSize + sizeof(SK_MBUF), GFP_ATOMIC); + if (pMsgBlock == NULL) { + return (NULL); + } + pRlmtMbuf = (SK_MBUF*) pMsgBlock->data; + skb_reserve(pMsgBlock, sizeof(SK_MBUF)); + pRlmtMbuf->pNext = NULL; + pRlmtMbuf->pOs = pMsgBlock; + pRlmtMbuf->pData = pMsgBlock->data; /* Data buffer. */ + pRlmtMbuf->Size = BufferSize; /* Data buffer size. */ + pRlmtMbuf->Length = 0; /* Length of packet (<= Size). */ + return (pRlmtMbuf); + +} /* SkDrvAllocRlmtMbuf */ + + +/***************************************************************************** + * + * SkDrvFreeRlmtMbuf - free an RLMT mbuf + * + * Description: + * This routine frees one or more RLMT mbuf(s). + * + * Context: + * runtime + * + * Returns: + * Nothing + */ +void SkDrvFreeRlmtMbuf( +SK_AC *pAC, /* pointer to adapter context */ +SK_IOC IoC, /* the IO-context */ +SK_MBUF *pMbuf) /* size of the requested buffer */ +{ +SK_MBUF *pFreeMbuf; +SK_MBUF *pNextMbuf; + + pFreeMbuf = pMbuf; + do { + pNextMbuf = pFreeMbuf->pNext; + DEV_KFREE_SKB_ANY(pFreeMbuf->pOs); + pFreeMbuf = pNextMbuf; + } while ( pFreeMbuf != NULL ); +} /* SkDrvFreeRlmtMbuf */ + + +/***************************************************************************** + * + * SkOsGetTime - provide a time value + * + * Description: + * This routine provides a time value. The unit is 1/HZ (defined by Linux). + * It is not used for absolute time, but only for time differences. + * + * + * Returns: + * Time value + */ +SK_U64 SkOsGetTime(SK_AC *pAC) +{ + SK_U64 PrivateJiffies; + SkOsGetTimeCurrent(pAC, &PrivateJiffies); + return PrivateJiffies; +} /* SkOsGetTime */ + + +/***************************************************************************** + * + * SkPciReadCfgDWord - read a 32 bit value from pci config space + * + * Description: + * This routine reads a 32 bit value from the pci configuration + * space. + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +int SkPciReadCfgDWord( +SK_AC *pAC, /* Adapter Control structure pointer */ +int PciAddr, /* PCI register address */ +SK_U32 *pVal) /* pointer to store the read value */ +{ + pci_read_config_dword(pAC->PciDev, PciAddr, pVal); + return(0); +} /* SkPciReadCfgDWord */ + + +/***************************************************************************** + * + * SkPciReadCfgWord - read a 16 bit value from pci config space + * + * Description: + * This routine reads a 16 bit value from the pci configuration + * space. + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +int SkPciReadCfgWord( +SK_AC *pAC, /* Adapter Control structure pointer */ +int PciAddr, /* PCI register address */ +SK_U16 *pVal) /* pointer to store the read value */ +{ + pci_read_config_word(pAC->PciDev, PciAddr, pVal); + return(0); +} /* SkPciReadCfgWord */ + + +/***************************************************************************** + * + * SkPciReadCfgByte - read a 8 bit value from pci config space + * + * Description: + * This routine reads a 8 bit value from the pci configuration + * space. + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +int SkPciReadCfgByte( +SK_AC *pAC, /* Adapter Control structure pointer */ +int PciAddr, /* PCI register address */ +SK_U8 *pVal) /* pointer to store the read value */ +{ + pci_read_config_byte(pAC->PciDev, PciAddr, pVal); + return(0); +} /* SkPciReadCfgByte */ + + +/***************************************************************************** + * + * SkPciWriteCfgWord - write a 16 bit value to pci config space + * + * Description: + * This routine writes a 16 bit value to the pci configuration + * space. The flag PciConfigUp indicates whether the config space + * is accesible or must be set up first. + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +int SkPciWriteCfgWord( +SK_AC *pAC, /* Adapter Control structure pointer */ +int PciAddr, /* PCI register address */ +SK_U16 Val) /* pointer to store the read value */ +{ + pci_write_config_word(pAC->PciDev, PciAddr, Val); + return(0); +} /* SkPciWriteCfgWord */ + + +/***************************************************************************** + * + * SkPciWriteCfgWord - write a 8 bit value to pci config space + * + * Description: + * This routine writes a 8 bit value to the pci configuration + * space. The flag PciConfigUp indicates whether the config space + * is accesible or must be set up first. + * + * Returns: + * 0 - indicate everything worked ok. + * != 0 - error indication + */ +int SkPciWriteCfgByte( +SK_AC *pAC, /* Adapter Control structure pointer */ +int PciAddr, /* PCI register address */ +SK_U8 Val) /* pointer to store the read value */ +{ + pci_write_config_byte(pAC->PciDev, PciAddr, Val); + return(0); +} /* SkPciWriteCfgByte */ + + +/***************************************************************************** + * + * SkDrvEvent - handle driver events + * + * Description: + * This function handles events from all modules directed to the driver + * + * Context: + * Is called under protection of slow path lock. + * + * Returns: + * 0 if everything ok + * < 0 on error + * + */ +int SkDrvEvent( +SK_AC *pAC, /* pointer to adapter context */ +SK_IOC IoC, /* io-context */ +SK_U32 Event, /* event-id */ +SK_EVPARA Param) /* event-parameter */ +{ +SK_MBUF *pRlmtMbuf; /* pointer to a rlmt-mbuf structure */ +struct sk_buff *pMsg; /* pointer to a message block */ +int FromPort; /* the port from which we switch away */ +int ToPort; /* the port we switch to */ +SK_EVPARA NewPara; /* parameter for further events */ +int Stat; +unsigned long Flags; +SK_BOOL DualNet; + + switch (Event) { + case SK_DRV_ADAP_FAIL: + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("ADAPTER FAIL EVENT\n")); + printk("%s: Adapter failed.\n", pAC->dev[0]->name); + /* disable interrupts */ + SK_OUT32(pAC->IoBase, B0_IMSK, 0); + /* cgoos */ + break; + case SK_DRV_PORT_FAIL: + FromPort = Param.Para32[0]; + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("PORT FAIL EVENT, Port: %d\n", FromPort)); + if (FromPort == 0) { + printk("%s: Port A failed.\n", pAC->dev[0]->name); + } else { + printk("%s: Port B failed.\n", pAC->dev[1]->name); + } + /* cgoos */ + break; + case SK_DRV_PORT_RESET: /* SK_U32 PortIdx */ + /* action list 4 */ + FromPort = Param.Para32[0]; + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("PORT RESET EVENT, Port: %d ", FromPort)); + NewPara.Para64 = FromPort; + SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_XMAC_RESET, NewPara); + spin_lock_irqsave( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + + SkGeStopPort(pAC, IoC, FromPort, SK_STOP_ALL, SK_HARD_RST); + netif_carrier_off(pAC->dev[Param.Para32[0]]); + spin_unlock_irqrestore( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + + /* clear rx ring from received frames */ + ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); + + ClearTxRing(pAC, &pAC->TxPort[FromPort][TX_PRIO_LOW]); + spin_lock_irqsave( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + + /* tschilling: Handling of return value inserted. */ + if (SkGeInitPort(pAC, IoC, FromPort)) { + if (FromPort == 0) { + printk("%s: SkGeInitPort A failed.\n", pAC->dev[0]->name); + } else { + printk("%s: SkGeInitPort B failed.\n", pAC->dev[1]->name); + } + } + SkAddrMcUpdate(pAC,IoC, FromPort); + PortReInitBmu(pAC, FromPort); + SkGePollTxD(pAC, IoC, FromPort, SK_TRUE); + ClearAndStartRx(pAC, FromPort); + spin_unlock_irqrestore( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + 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, + ("NET UP EVENT, Port: %d ", Param.Para32[0])); + /* Mac update */ + SkAddrMcUpdate(pAC,IoC, FromPort); + + if (DoPrintInterfaceChange) { + printk("%s: network connection up using" + " port %c\n", pAC->dev[Param.Para32[0]]->name, 'A'+Param.Para32[0]); + + /* tschilling: Values changed according to LinkSpeedUsed. */ + Stat = pAC->GIni.GP[FromPort].PLinkSpeedUsed; + if (Stat == SK_LSPEED_STAT_10MBPS) { + printk(" speed: 10\n"); + } else if (Stat == SK_LSPEED_STAT_100MBPS) { + printk(" speed: 100\n"); + } else if (Stat == SK_LSPEED_STAT_1000MBPS) { + printk(" speed: 1000\n"); + } else { + printk(" speed: unknown\n"); + } + + + Stat = pAC->GIni.GP[FromPort].PLinkModeStatus; + if (Stat == SK_LMODE_STAT_AUTOHALF || + Stat == SK_LMODE_STAT_AUTOFULL) { + printk(" autonegotiation: yes\n"); + } + else { + printk(" autonegotiation: no\n"); + } + if (Stat == SK_LMODE_STAT_AUTOHALF || + Stat == SK_LMODE_STAT_HALF) { + printk(" duplex mode: half\n"); + } + else { + printk(" duplex mode: full\n"); + } + Stat = pAC->GIni.GP[FromPort].PFlowCtrlStatus; + if (Stat == SK_FLOW_STAT_REM_SEND ) { + printk(" flowctrl: remote send\n"); + } + else if (Stat == SK_FLOW_STAT_LOC_SEND ){ + printk(" flowctrl: local send\n"); + } + else if (Stat == SK_FLOW_STAT_SYMMETRIC ){ + printk(" flowctrl: symmetric\n"); + } + else { + printk(" flowctrl: none\n"); + } + + /* tschilling: Check against CopperType now. */ + if ((pAC->GIni.GICopperType == SK_TRUE) && + (pAC->GIni.GP[FromPort].PLinkSpeedUsed == + SK_LSPEED_STAT_1000MBPS)) { + Stat = pAC->GIni.GP[FromPort].PMSStatus; + if (Stat == SK_MS_STAT_MASTER ) { + printk(" role: master\n"); + } + else if (Stat == SK_MS_STAT_SLAVE ) { + printk(" role: slave\n"); + } + else { + printk(" role: ???\n"); + } + } + + /* + Display dim (dynamic interrupt moderation) + informations + */ + if (pAC->DynIrqModInfo.IntModTypeSelect == C_INT_MOD_STATIC) + printk(" irq moderation: static (%d ints/sec)\n", + pAC->DynIrqModInfo.MaxModIntsPerSec); + else if (pAC->DynIrqModInfo.IntModTypeSelect == C_INT_MOD_DYNAMIC) + printk(" irq moderation: dynamic (%d ints/sec)\n", + pAC->DynIrqModInfo.MaxModIntsPerSec); + else + printk(" irq moderation: disabled\n"); + + + 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; + } + + if ((Param.Para32[0] != pAC->ActivePort) && + (pAC->RlmtNets == 1)) { + NewPara.Para32[0] = pAC->ActivePort; + NewPara.Para32[1] = Param.Para32[0]; + SkEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_INTERN, + NewPara); + } + + /* Inform the world that link protocol is up. */ + 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, + ("NET DOWN EVENT ")); + if (DoPrintInterfaceChange) { + printk("%s: network connection down\n", + pAC->dev[Param.Para32[1]]->name); + } else { + DoPrintInterfaceChange = SK_TRUE; + } + netif_carrier_off(pAC->dev[Param.Para32[1]]); + break; + case SK_DRV_SWITCH_HARD: /* SK_U32 FromPortIdx SK_U32 ToPortIdx */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("PORT SWITCH HARD ")); + case SK_DRV_SWITCH_SOFT: /* SK_U32 FromPortIdx SK_U32 ToPortIdx */ + /* action list 6 */ + printk("%s: switching to port %c\n", pAC->dev[0]->name, + 'A'+Param.Para32[1]); + case SK_DRV_SWITCH_INTERN: /* SK_U32 FromPortIdx SK_U32 ToPortIdx */ + FromPort = Param.Para32[0]; + ToPort = Param.Para32[1]; + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("PORT SWITCH EVENT, From: %d To: %d (Pref %d) ", + FromPort, ToPort, pAC->Rlmt.Net[0].PrefPort)); + NewPara.Para64 = FromPort; + SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_XMAC_RESET, NewPara); + NewPara.Para64 = ToPort; + SkPnmiEvent(pAC, IoC, SK_PNMI_EVT_XMAC_RESET, NewPara); + spin_lock_irqsave( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + spin_lock(&pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock); + SkGeStopPort(pAC, IoC, FromPort, SK_STOP_ALL, SK_SOFT_RST); + SkGeStopPort(pAC, IoC, ToPort, SK_STOP_ALL, SK_SOFT_RST); + spin_unlock(&pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock); + spin_unlock_irqrestore( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + + ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); /* clears rx ring */ + ReceiveIrq(pAC, &pAC->RxPort[ToPort], SK_FALSE); /* clears rx ring */ + + ClearTxRing(pAC, &pAC->TxPort[FromPort][TX_PRIO_LOW]); + ClearTxRing(pAC, &pAC->TxPort[ToPort][TX_PRIO_LOW]); + spin_lock_irqsave( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + spin_lock(&pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock); + pAC->ActivePort = ToPort; +#if 0 + SetQueueSizes(pAC); +#else + /* tschilling: New common function with minimum size check. */ + DualNet = SK_FALSE; + if (pAC->RlmtNets == 2) { + DualNet = SK_TRUE; + } + + if (SkGeInitAssignRamToQueues( + pAC, + pAC->ActivePort, + DualNet)) { + spin_unlock(&pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock); + spin_unlock_irqrestore( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + printk("SkGeInitAssignRamToQueues failed.\n"); + break; + } +#endif + /* tschilling: Handling of return values inserted. */ + if (SkGeInitPort(pAC, IoC, FromPort) || + SkGeInitPort(pAC, IoC, ToPort)) { + printk("%s: SkGeInitPort failed.\n", pAC->dev[0]->name); + } + if (Event == SK_DRV_SWITCH_SOFT) { + SkMacRxTxEnable(pAC, IoC, FromPort); + } + SkMacRxTxEnable(pAC, IoC, ToPort); + SkAddrSwap(pAC, IoC, FromPort, ToPort); + SkAddrMcUpdate(pAC, IoC, FromPort); + SkAddrMcUpdate(pAC, IoC, ToPort); + PortReInitBmu(pAC, FromPort); + PortReInitBmu(pAC, ToPort); + SkGePollTxD(pAC, IoC, FromPort, SK_TRUE); + SkGePollTxD(pAC, IoC, ToPort, SK_TRUE); + ClearAndStartRx(pAC, FromPort); + ClearAndStartRx(pAC, ToPort); + spin_unlock(&pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock); + spin_unlock_irqrestore( + &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, + Flags); + break; + case SK_DRV_RLMT_SEND: /* SK_MBUF *pMb */ + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("RLS ")); + pRlmtMbuf = (SK_MBUF*) Param.pParaPtr; + pMsg = (struct sk_buff*) pRlmtMbuf->pOs; + skb_put(pMsg, pRlmtMbuf->Length); + if (XmitFrame(pAC, &pAC->TxPort[pRlmtMbuf->PortIdx][TX_PRIO_LOW], + pMsg) < 0) + + DEV_KFREE_SKB_ANY(pMsg); + break; + case SK_DRV_TIMER: + if (Param.Para32[0] == SK_DRV_MODERATION_TIMER) { + /* + ** expiration of the moderation timer implies that + ** dynamic moderation is to be applied + */ + SkDimStartModerationTimer(pAC); + SkDimModerate(pAC); + if (pAC->DynIrqModInfo.DisplayStats) { + SkDimDisplayModerationSettings(pAC); + } + } else if (Param.Para32[0] == SK_DRV_RX_CLEANUP_TIMER) { + /* + ** check if we need to check for descriptors which + ** haven't been handled the last millisecs + */ + StartDrvCleanupTimer(pAC); + if (pAC->GIni.GIMacsFound == 2) { + ReceiveIrq(pAC, &pAC->RxPort[1], SK_FALSE); + } + ReceiveIrq(pAC, &pAC->RxPort[0], SK_FALSE); + } else { + printk("Expiration of unknown timer\n"); + } + break; + default: + break; + } + SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, + ("END EVENT ")); + + return (0); +} /* SkDrvEvent */ + + +/***************************************************************************** + * + * SkErrorLog - log errors + * + * Description: + * This function logs errors to the system buffer and to the console + * + * Returns: + * 0 if everything ok + * < 0 on error + * + */ +void SkErrorLog( +SK_AC *pAC, +int ErrClass, +int ErrNum, +char *pErrorMsg) +{ +char ClassStr[80]; + + switch (ErrClass) { + case SK_ERRCL_OTHER: + strcpy(ClassStr, "Other error"); + break; + case SK_ERRCL_CONFIG: + strcpy(ClassStr, "Configuration error"); + break; + case SK_ERRCL_INIT: + strcpy(ClassStr, "Initialization error"); + break; + case SK_ERRCL_NORES: + strcpy(ClassStr, "Out of resources error"); + break; + case SK_ERRCL_SW: + strcpy(ClassStr, "internal Software error"); + break; + case SK_ERRCL_HW: + strcpy(ClassStr, "Hardware failure"); + break; + case SK_ERRCL_COMM: + strcpy(ClassStr, "Communication error"); + break; + } + printk(KERN_INFO "%s: -- ERROR --\n Class: %s\n" + " Nr: 0x%x\n Msg: %s\n", pAC->dev[0]->name, + ClassStr, ErrNum, pErrorMsg); + +} /* SkErrorLog */ + +#ifdef SK_DIAG_SUPPORT + +/***************************************************************************** + * + * SkDrvEnterDiagMode - handles DIAG attach request + * + * Description: + * Notify the kernel to NOT access the card any longer due to DIAG + * Deinitialize the Card + * + * Returns: + * int + */ +int SkDrvEnterDiagMode( +SK_AC *pAc) /* pointer to adapter context */ +{ + DEV_NET *pNet = netdev_priv(pAc->dev[0]); + SK_AC *pAC = pNet->pAC; + + SK_MEMCPY(&(pAc->PnmiBackup), &(pAc->PnmiStruct), + sizeof(SK_PNMI_STRUCT_DATA)); + + pAC->DiagModeActive = DIAG_ACTIVE; + if (pAC->BoardLevel > SK_INIT_DATA) { + if (netif_running(pAC->dev[0])) { + pAC->WasIfUp[0] = SK_TRUE; + pAC->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */ + DoPrintInterfaceChange = SK_FALSE; + SkDrvDeInitAdapter(pAC, 0); /* performs SkGeClose */ + } else { + pAC->WasIfUp[0] = SK_FALSE; + } + if (pNet != netdev_priv(pAC->dev[1])) { + pNet = netdev_priv(pAC->dev[1]); + if (netif_running(pAC->dev[1])) { + pAC->WasIfUp[1] = SK_TRUE; + pAC->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */ + DoPrintInterfaceChange = SK_FALSE; + SkDrvDeInitAdapter(pAC, 1); /* do SkGeClose */ + } else { + pAC->WasIfUp[1] = SK_FALSE; + } + } + pAC->BoardLevel = SK_INIT_DATA; + } + return(0); +} + +/***************************************************************************** + * + * SkDrvLeaveDiagMode - handles DIAG detach request + * + * Description: + * Notify the kernel to may access the card again after use by DIAG + * Initialize the Card + * + * Returns: + * int + */ +int SkDrvLeaveDiagMode( +SK_AC *pAc) /* pointer to adapter control context */ +{ + SK_MEMCPY(&(pAc->PnmiStruct), &(pAc->PnmiBackup), + sizeof(SK_PNMI_STRUCT_DATA)); + pAc->DiagModeActive = DIAG_NOTACTIVE; + pAc->Pnmi.DiagAttached = SK_DIAG_IDLE; + if (pAc->WasIfUp[0] == SK_TRUE) { + pAc->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */ + DoPrintInterfaceChange = SK_FALSE; + SkDrvInitAdapter(pAc, 0); /* first device */ + } + if (pAc->WasIfUp[1] == SK_TRUE) { + pAc->DiagFlowCtrl = SK_TRUE; /* for SkGeClose */ + DoPrintInterfaceChange = SK_FALSE; + SkDrvInitAdapter(pAc, 1); /* second device */ + } + return(0); +} + +/***************************************************************************** + * + * ParseDeviceNbrFromSlotName - Evaluate PCI device number + * + * Description: + * This function parses the PCI slot name information string and will + * retrieve the devcie number out of it. The slot_name maintianed by + * linux is in the form of '02:0a.0', whereas the first two characters + * represent the bus number in hex (in the sample above this is + * pci bus 0x02) and the next two characters the device number (0x0a). + * + * Returns: + * SK_U32: The device number from the PCI slot name + */ + +static SK_U32 ParseDeviceNbrFromSlotName( +const char *SlotName) /* pointer to pci slot name eg. '02:0a.0' */ +{ + char *CurrCharPos = (char *) SlotName; + int FirstNibble = -1; + int SecondNibble = -1; + SK_U32 Result = 0; + + while (*CurrCharPos != '\0') { + if (*CurrCharPos == ':') { + while (*CurrCharPos != '.') { + CurrCharPos++; + if ( (*CurrCharPos >= '0') && + (*CurrCharPos <= '9')) { + if (FirstNibble == -1) { + /* dec. value for '0' */ + FirstNibble = *CurrCharPos - 48; + } else { + SecondNibble = *CurrCharPos - 48; + } + } else if ( (*CurrCharPos >= 'a') && + (*CurrCharPos <= 'f') ) { + if (FirstNibble == -1) { + FirstNibble = *CurrCharPos - 87; + } else { + SecondNibble = *CurrCharPos - 87; + } + } else { + Result = 0; + } + } + + Result = FirstNibble; + Result = Result << 4; /* first nibble is higher one */ + Result = Result | SecondNibble; + } + CurrCharPos++; /* next character */ + } + return (Result); +} + +/**************************************************************************** + * + * SkDrvDeInitAdapter - deinitialize adapter (this function is only + * called if Diag attaches to that card) + * + * Description: + * Close initialized adapter. + * + * Returns: + * 0 - on success + * error code - on error + */ +static int SkDrvDeInitAdapter( +SK_AC *pAC, /* pointer to adapter context */ +int devNbr) /* what device is to be handled */ +{ + struct SK_NET_DEVICE *dev; + + dev = pAC->dev[devNbr]; + + /* On Linux 2.6 the network driver does NOT mess with reference + ** counts. The driver MUST be able to be unloaded at any time + ** due to the possibility of hotplug. + */ + if (SkGeClose(dev) != 0) { + return (-1); + } + return (0); + +} /* SkDrvDeInitAdapter() */ + +/**************************************************************************** + * + * SkDrvInitAdapter - Initialize adapter (this function is only + * called if Diag deattaches from that card) + * + * Description: + * Close initialized adapter. + * + * Returns: + * 0 - on success + * error code - on error + */ +static int SkDrvInitAdapter( +SK_AC *pAC, /* pointer to adapter context */ +int devNbr) /* what device is to be handled */ +{ + struct SK_NET_DEVICE *dev; + + dev = pAC->dev[devNbr]; + + if (SkGeOpen(dev) != 0) { + return (-1); + } + + /* + ** Use correct MTU size and indicate to kernel TX queue can be started + */ + if (SkGeChangeMtu(dev, dev->mtu) != 0) { + return (-1); + } + return (0); + +} /* SkDrvInitAdapter */ + +#endif + +#ifdef DEBUG +/****************************************************************************/ +/* "debug only" section *****************************************************/ +/****************************************************************************/ + + +/***************************************************************************** + * + * DumpMsg - print a frame + * + * Description: + * This function prints frames to the system logfile/to the console. + * + * Returns: N/A + * + */ +static void DumpMsg(struct sk_buff *skb, char *str) +{ + int msglen; + + if (skb == NULL) { + printk("DumpMsg(): NULL-Message\n"); + return; + } + + if (skb->data == NULL) { + printk("DumpMsg(): Message empty\n"); + return; + } + + msglen = skb->len; + if (msglen > 64) + msglen = 64; + + printk("--- Begin of message from %s , len %d (from %d) ----\n", str, msglen, skb->len); + + DumpData((char *)skb->data, msglen); + + printk("------- End of message ---------\n"); +} /* DumpMsg */ + + + +/***************************************************************************** + * + * DumpData - print a data area + * + * Description: + * This function prints a area of data to the system logfile/to the + * console. + * + * Returns: N/A + * + */ +static void DumpData(char *p, int size) +{ +register int i; +int haddr, addr; +char hex_buffer[180]; +char asc_buffer[180]; +char HEXCHAR[] = "0123456789ABCDEF"; + + addr = 0; + haddr = 0; + hex_buffer[0] = 0; + asc_buffer[0] = 0; + for (i=0; i < size; ) { + if (*p >= '0' && *p <='z') + asc_buffer[addr] = *p; + else + asc_buffer[addr] = '.'; + addr++; + asc_buffer[addr] = 0; + hex_buffer[haddr] = HEXCHAR[(*p & 0xf0) >> 4]; + haddr++; + hex_buffer[haddr] = HEXCHAR[*p & 0x0f]; + haddr++; + hex_buffer[haddr] = ' '; + haddr++; + hex_buffer[haddr] = 0; + p++; + i++; + if (i%16 == 0) { + printk("%s %s\n", hex_buffer, asc_buffer); + addr = 0; + haddr = 0; + } + } +} /* DumpData */ + + +/***************************************************************************** + * + * DumpLong - print a data area as long values + * + * Description: + * This function prints a area of data to the system logfile/to the + * console. + * + * Returns: N/A + * + */ +static void DumpLong(char *pc, int size) +{ +register int i; +int haddr, addr; +char hex_buffer[180]; +char asc_buffer[180]; +char HEXCHAR[] = "0123456789ABCDEF"; +long *p; +int l; + + addr = 0; + haddr = 0; + hex_buffer[0] = 0; + asc_buffer[0] = 0; + p = (long*) pc; + for (i=0; i < size; ) { + l = (long) *p; + hex_buffer[haddr] = HEXCHAR[(l >> 28) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[(l >> 24) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[(l >> 20) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[(l >> 16) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[(l >> 12) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[(l >> 8) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[(l >> 4) & 0xf]; + haddr++; + hex_buffer[haddr] = HEXCHAR[l & 0x0f]; + haddr++; + hex_buffer[haddr] = ' '; + haddr++; + hex_buffer[haddr] = 0; + p++; + i++; + if (i%8 == 0) { + printk("%4x %s\n", (i-8)*4, hex_buffer); + haddr = 0; + } + } + printk("------------------------\n"); +} /* DumpLong */ + +#endif + +static int __devinit skge_probe_one(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + SK_AC *pAC; + DEV_NET *pNet = NULL; + struct net_device *dev = NULL; + static int boards_found = 0; + int error = -ENODEV; + int using_dac = 0; + char DeviceStr[80]; + + if (pci_enable_device(pdev)) + goto out; + + /* Configure DMA attributes. */ + if (sizeof(dma_addr_t) > sizeof(u32) && + !(error = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) { + using_dac = 1; + error = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); + if (error < 0) { + printk(KERN_ERR "sk98lin %s unable to obtain 64 bit DMA " + "for consistent allocations\n", pci_name(pdev)); + goto out_disable_device; + } + } else { + error = pci_set_dma_mask(pdev, DMA_32BIT_MASK); + if (error) { + printk(KERN_ERR "sk98lin %s no usable DMA configuration\n", + pci_name(pdev)); + goto out_disable_device; + } + } + + error = -ENOMEM; + dev = alloc_etherdev(sizeof(DEV_NET)); + if (!dev) { + printk(KERN_ERR "sk98lin: unable to allocate etherdev " + "structure!\n"); + goto out_disable_device; + } + + pNet = netdev_priv(dev); + pNet->pAC = kzalloc(sizeof(SK_AC), GFP_KERNEL); + if (!pNet->pAC) { + printk(KERN_ERR "sk98lin: unable to allocate adapter " + "structure!\n"); + goto out_free_netdev; + } + + pAC = pNet->pAC; + pAC->PciDev = pdev; + + pAC->dev[0] = dev; + pAC->dev[1] = dev; + pAC->CheckQueue = SK_FALSE; + + dev->irq = pdev->irq; + + error = SkGeInitPCI(pAC); + if (error) { + printk(KERN_ERR "sk98lin: PCI setup failed: %i\n", error); + goto out_free_netdev; + } + + SET_MODULE_OWNER(dev); + dev->open = &SkGeOpen; + dev->stop = &SkGeClose; + dev->hard_start_xmit = &SkGeXmit; + dev->get_stats = &SkGeStats; + dev->set_multicast_list = &SkGeSetRxMode; + dev->set_mac_address = &SkGeSetMacAddr; + dev->do_ioctl = &SkGeIoctl; + dev->change_mtu = &SkGeChangeMtu; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = &SkGePollController; +#endif + SET_NETDEV_DEV(dev, &pdev->dev); + SET_ETHTOOL_OPS(dev, &SkGeEthtoolOps); + + /* Use only if yukon hardware */ + if (pAC->ChipsetType) { +#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 + } + + if (using_dac) + dev->features |= NETIF_F_HIGHDMA; + + pAC->Index = boards_found++; + + error = SkGeBoardInit(dev, pAC); + if (error) + goto out_free_netdev; + + /* Read Adapter name from VPD */ + if (ProductStr(pAC, DeviceStr, sizeof(DeviceStr)) != 0) { + error = -EIO; + printk(KERN_ERR "sk98lin: Could not read VPD data.\n"); + goto out_free_resources; + } + + /* Register net device */ + error = register_netdev(dev); + if (error) { + printk(KERN_ERR "sk98lin: Could not register device.\n"); + goto out_free_resources; + } + + /* Print adapter specific string from vpd */ + printk("%s: %s\n", dev->name, DeviceStr); + + /* Print configuration settings */ + printk(" PrefPort:%c RlmtMode:%s\n", + 'A' + pAC->Rlmt.Net[0].Port[pAC->Rlmt.Net[0].PrefPort]->PortNumber, + (pAC->RlmtMode==0) ? "Check Link State" : + ((pAC->RlmtMode==1) ? "Check Link State" : + ((pAC->RlmtMode==3) ? "Check Local Port" : + ((pAC->RlmtMode==7) ? "Check Segmentation" : + ((pAC->RlmtMode==17) ? "Dual Check Link State" :"Error"))))); + + SkGeYellowLED(pAC, pAC->IoBase, 1); + + memcpy(&dev->dev_addr, &pAC->Addr.Net[0].CurrentMacAddress, 6); + memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); + + pNet->PortNr = 0; + pNet->NetNr = 0; + + boards_found++; + + pci_set_drvdata(pdev, dev); + + /* More then one port found */ + if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { + dev = alloc_etherdev(sizeof(DEV_NET)); + if (!dev) { + printk(KERN_ERR "sk98lin: unable to allocate etherdev " + "structure!\n"); + goto single_port; + } + + pNet = netdev_priv(dev); + pNet->PortNr = 1; + pNet->NetNr = 1; + pNet->pAC = pAC; + + dev->open = &SkGeOpen; + dev->stop = &SkGeClose; + dev->hard_start_xmit = &SkGeXmit; + dev->get_stats = &SkGeStats; + dev->set_multicast_list = &SkGeSetRxMode; + dev->set_mac_address = &SkGeSetMacAddr; + dev->do_ioctl = &SkGeIoctl; + dev->change_mtu = &SkGeChangeMtu; + SET_NETDEV_DEV(dev, &pdev->dev); + SET_ETHTOOL_OPS(dev, &SkGeEthtoolOps); + + if (pAC->ChipsetType) { +#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 (using_dac) + dev->features |= NETIF_F_HIGHDMA; + + error = register_netdev(dev); + if (error) { + printk(KERN_ERR "sk98lin: Could not register device" + " for second port. (%d)\n", error); + free_netdev(dev); + goto single_port; + } + + pAC->dev[1] = 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, DeviceStr); + printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); + } + +single_port: + + /* Save the hardware revision */ + pAC->HWRevision = (((pAC->GIni.GIPciHwRev >> 4) & 0x0F)*10) + + (pAC->GIni.GIPciHwRev & 0x0F); + + /* Set driver globals */ + pAC->Pnmi.pDriverFileName = DRIVER_FILE_NAME; + pAC->Pnmi.pDriverReleaseDate = DRIVER_REL_DATE; + + memset(&pAC->PnmiBackup, 0, sizeof(SK_PNMI_STRUCT_DATA)); + memcpy(&pAC->PnmiBackup, &pAC->PnmiStruct, sizeof(SK_PNMI_STRUCT_DATA)); + + return 0; + + out_free_resources: + FreeResources(dev); + out_free_netdev: + free_netdev(dev); + out_disable_device: + pci_disable_device(pdev); + out: + return error; +} + +static void __devexit skge_remove_one(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + struct net_device *otherdev = pAC->dev[1]; + + unregister_netdev(dev); + + SkGeYellowLED(pAC, pAC->IoBase, 0); + + if (pAC->BoardLevel == SK_INIT_RUN) { + SK_EVPARA EvPara; + unsigned long Flags; + + /* board is still alive */ + spin_lock_irqsave(&pAC->SlowPathLock, Flags); + EvPara.Para32[0] = 0; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + EvPara.Para32[0] = 1; + EvPara.Para32[1] = -1; + SkEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, EvPara); + SkEventDispatcher(pAC, pAC->IoBase); + /* disable interrupts */ + SK_OUT32(pAC->IoBase, B0_IMSK, 0); + SkGeDeInit(pAC, pAC->IoBase); + spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); + pAC->BoardLevel = SK_INIT_DATA; + /* We do NOT check here, if IRQ was pending, of course*/ + } + + if (pAC->BoardLevel == SK_INIT_IO) { + /* board is still alive */ + SkGeDeInit(pAC, pAC->IoBase); + pAC->BoardLevel = SK_INIT_DATA; + } + + FreeResources(dev); + free_netdev(dev); + if (otherdev != dev) + free_netdev(otherdev); + kfree(pAC); +} + +#ifdef CONFIG_PM +static int skge_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *dev = pci_get_drvdata(pdev); + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + struct net_device *otherdev = pAC->dev[1]; + + if (netif_running(dev)) { + netif_carrier_off(dev); + DoPrintInterfaceChange = SK_FALSE; + SkDrvDeInitAdapter(pAC, 0); /* performs SkGeClose */ + netif_device_detach(dev); + } + if (otherdev != dev) { + if (netif_running(otherdev)) { + netif_carrier_off(otherdev); + DoPrintInterfaceChange = SK_FALSE; + SkDrvDeInitAdapter(pAC, 1); /* performs SkGeClose */ + netif_device_detach(otherdev); + } + } + + pci_save_state(pdev); + pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); + if (pAC->AllocFlag & SK_ALLOC_IRQ) { + free_irq(dev->irq, dev); + } + pci_disable_device(pdev); + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +static int skge_resume(struct pci_dev *pdev) +{ + struct net_device *dev = pci_get_drvdata(pdev); + DEV_NET *pNet = netdev_priv(dev); + SK_AC *pAC = pNet->pAC; + struct net_device *otherdev = pAC->dev[1]; + int ret; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + ret = pci_enable_device(pdev); + if (ret) { + printk(KERN_WARNING "sk98lin: unable to enable device %s " + "in resume\n", dev->name); + goto err_out; + } + pci_set_master(pdev); + if (pAC->GIni.GIMacsFound == 2) + ret = request_irq(dev->irq, SkGeIsr, IRQF_SHARED, "sk98lin", dev); + else + ret = request_irq(dev->irq, SkGeIsrOnePort, IRQF_SHARED, "sk98lin", dev); + if (ret) { + printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq); + ret = -EBUSY; + goto err_out_disable_pdev; + } + + netif_device_attach(dev); + if (netif_running(dev)) { + DoPrintInterfaceChange = SK_FALSE; + SkDrvInitAdapter(pAC, 0); /* first device */ + } + if (otherdev != dev) { + netif_device_attach(otherdev); + if (netif_running(otherdev)) { + DoPrintInterfaceChange = SK_FALSE; + SkDrvInitAdapter(pAC, 1); /* second device */ + } + } + + return 0; + +err_out_disable_pdev: + pci_disable_device(pdev); +err_out: + pAC->AllocFlag &= ~SK_ALLOC_IRQ; + dev->irq = 0; + return ret; +} +#else +#define skge_suspend NULL +#define skge_resume NULL +#endif + +static struct pci_device_id skge_pci_tbl[] = { +#ifdef SK98LIN_ALL_DEVICES + { PCI_VENDOR_ID_3COM, 0x1700, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_3COM, 0x80eb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, +#endif +#ifdef GENESIS + /* Generic SysKonnect SK-98xx Gigabit Ethernet Server Adapter */ + { PCI_VENDOR_ID_SYSKONNECT, 0x4300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, +#endif + /* Generic SysKonnect SK-98xx V2.0 Gigabit Ethernet Adapter */ + { PCI_VENDOR_ID_SYSKONNECT, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, +#ifdef SK98LIN_ALL_DEVICES +/* DLink card does not have valid VPD so this driver gags + * { PCI_VENDOR_ID_DLINK, 0x4c00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + */ + { PCI_VENDOR_ID_MARVELL, 0x4320, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_MARVELL, 0x5005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_CNET, 0x434e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0015, }, + { PCI_VENDOR_ID_LINKSYS, 0x1064, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, +#endif + { 0 } +}; + +MODULE_DEVICE_TABLE(pci, skge_pci_tbl); + +static struct pci_driver skge_driver = { + .name = "sk98lin", + .id_table = skge_pci_tbl, + .probe = skge_probe_one, + .remove = __devexit_p(skge_remove_one), + .suspend = skge_suspend, + .resume = skge_resume, +}; + +static int __init skge_init(void) +{ + printk(KERN_NOTICE "sk98lin: driver has been replaced by the skge driver" + " and is scheduled for removal\n"); + + return pci_register_driver(&skge_driver); +} + +static void __exit skge_exit(void) +{ + pci_unregister_driver(&skge_driver); +} + +module_init(skge_init); +module_exit(skge_exit); |