/****************************************************************************** * * Name: skge.c * Project: GEnesis, PCI Gigabit Ethernet Adapter * Version: $Revision: 1.60.2.68 $ * Date: $Date: 2005/11/14 15:22:08 $ * Purpose: The main driver source module * ******************************************************************************/ /****************************************************************************** * * (C)Copyright 1998-2002 SysKonnect GmbH. * (C)Copyright 2002-2005 Marvell. * * Driver for Marvell Yukon chipset and SysKonnect Gigabit Ethernet * Server Adapters. * * Author: Mirko Lindner (mlindner@syskonnect.de) * Ralph Roesler (rroesler@syskonnect.de) * * Address all question to: linux@syskonnect.de * * 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. * ******************************************************************************/ /****************************************************************************** * * Description: * * All source files in this sk98lin directory except of the sk98lin * Linux specific files * * - skdim.c * - skethtool.c * - skge.c * - skproc.c * - sky2.c * - Makefile * - h/skdrv1st.h * - h/skdrv2nd.h * - h/sktypes.h * - h/skversion.h * * are part of SysKonnect's common modules for the SK-9xxx adapters. * * Those common module files which are not Linux specific are used to * build drivers on different OS' (e.g. Windows, MAC OS) so that those * drivers are based on the same set of files * * At a first glance, this seems to complicate things unnescessarily on * Linux, but please do not try to 'clean up' them without VERY good * reasons, because this will make it more difficult to keep the sk98lin * driver for Linux in synchronisation with the other drivers running on * other operating systems. * ******************************************************************************/ /*#define DEBUG*/ #include #ifdef CONFIG_SK98 #include "h/skversion.h" #if 0 /* uboot */ #include #include #include #endif #ifdef CONFIG_PROC_FS #include #endif #include "h/skdrv1st.h" #include "h/skdrv2nd.h" /******************************************************************************* * * Defines * ******************************************************************************/ /* for debuging on x86 only */ /* #define BREAKPOINT() asm(" int $3"); */ /* Set blink mode*/ #define OEM_CONFIG_VALUE ( SK_ACT_LED_BLINK | \ SK_DUP_LED_NORMAL | \ SK_LED_LINK100_ON) #define CLEAR_AND_START_RX(Port) SK_OUT8(pAC->IoBase, RxQueueAddr[(Port)]+Q_CSR, CSR_START | CSR_IRQ_CL_F) #define CLEAR_TX_IRQ(Port,Prio) SK_OUT8(pAC->IoBase, TxQueueAddr[(Port)][(Prio)]+Q_CSR, CSR_IRQ_CL_F) /******************************************************************************* * * Local Function Prototypes * ******************************************************************************/ #if 0 /* uboot */ static int __devinit sk98lin_init_device(struct pci_dev *pdev, const struct pci_device_id *ent); static void sk98lin_remove_device(struct pci_dev *pdev); #endif #ifdef CONFIG_PM static int sk98lin_suspend(struct pci_dev *pdev, u32 state); static int sk98lin_resume(struct pci_dev *pdev); static void SkEnableWOMagicPacket(SK_AC *pAC, SK_IOC IoC, SK_MAC_ADDR MacAddr); #endif #ifdef Y2_RECOVERY static void SkGeHandleKernelTimer(unsigned long ptr); void SkGeCheckTimer(DEV_NET *pNet); static SK_BOOL CheckRXCounters(DEV_NET *pNet); static void CheckRxPath(DEV_NET *pNet); #endif 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*, int*, SK_BOOL); #if 0 /* uboot */ static SkIsrRetVar SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs); static SkIsrRetVar SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs); 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); #else SkIsrRetVar SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs); SkIsrRetVar SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs); int SkGeOpen(struct SK_NET_DEVICE *dev); int SkGeClose(struct SK_NET_DEVICE *dev); int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev); #endif static void GetConfiguration(SK_AC*); #if 0 /* uboot */ static void ProductStr(SK_AC*); #endif 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*); #ifdef CONFIG_SK98LIN_NAPI static int SkGePoll(struct net_device *dev, int *budget); static void ReceiveIrq(SK_AC*, RX_PORT*, SK_BOOL, int*, int); #else #if 0 /* uboot */ static void ReceiveIrq(SK_AC*, RX_PORT*, SK_BOOL); #else void ReceiveIrq(SK_AC*, RX_PORT*, SK_BOOL); #endif #endif #ifdef SK_POLL_CONTROLLER static void SkGeNetPoll(struct SK_NET_DEVICE *dev); #endif static void ClearRxRing(SK_AC*, RX_PORT*); static void ClearTxRing(SK_AC*, TX_PORT*); #if 0 /* uboot */ static int SkGeChangeMtu(struct SK_NET_DEVICE *dev, int new_mtu); #endif static void PortReInitBmu(SK_AC*, int); #if 0 /* uboot */ static int SkGeIocMib(DEV_NET*, unsigned int, int); static int SkGeInitPCI(SK_AC *pAC); static SK_U32 ParseDeviceNbrFromSlotName(const char *SlotName); #endif static int SkDrvInitAdapter(SK_AC *pAC, int devNbr); static int SkDrvDeInitAdapter(SK_AC *pAC, int devNbr); extern void SkLocalEventQueue( SK_AC *pAC, SK_U32 Class, SK_U32 Event, SK_U32 Param1, SK_U32 Param2, SK_BOOL Flag); extern void SkLocalEventQueue64( SK_AC *pAC, SK_U32 Class, SK_U32 Event, SK_U64 Param, SK_BOOL Flag); #if 0 /* uboot */ static int XmitFrameSG(SK_AC*, TX_PORT*, struct sk_buff*); #endif /******************************************************************************* * * Extern Function Prototypes * ******************************************************************************/ extern SK_BOOL SkY2AllocateResources(SK_AC *pAC); extern void SkY2FreeResources(SK_AC *pAC); extern void SkY2AllocateRxBuffers(SK_AC *pAC,SK_IOC IoC,int Port); extern void SkY2FreeRxBuffers(SK_AC *pAC,SK_IOC IoC,int Port); extern void SkY2FreeTxBuffers(SK_AC *pAC,SK_IOC IoC,int Port); extern SkIsrRetVar SkY2Isr(int irq,void *dev_id,struct pt_regs *ptregs); extern int SkY2Xmit(struct sk_buff *skb,struct SK_NET_DEVICE *dev); extern void SkY2PortStop(SK_AC *pAC,SK_IOC IoC,int Port,int Dir,int RstMode); extern void SkY2PortStart(SK_AC *pAC,SK_IOC IoC,int Port); extern int SkY2RlmtSend(SK_AC *pAC,int PortNr,struct sk_buff *pMessage); extern void SkY2RestartStatusUnit(SK_AC *pAC); extern void FillReceiveTableYukon2(SK_AC *pAC,SK_IOC IoC,int Port); #ifdef CONFIG_SK98LIN_NAPI extern int SkY2Poll(struct net_device *dev, int *budget); #endif extern void SkDimEnableModerationIfNeeded(SK_AC *pAC); extern void SkDimStartModerationTimer(SK_AC *pAC); extern void SkDimModerate(SK_AC *pAC); #if 0/* uboot */ extern int SkEthIoctl(struct net_device *netdev, struct ifreq *ifr); #endif #ifdef CONFIG_PROC_FS static const char SK_Root_Dir_entry[] = "sk98lin"; static struct proc_dir_entry *pSkRootDir; extern struct file_operations sk_proc_fops; #endif #ifdef DEBUG static void DumpMsg(struct sk_buff*, char*); static void DumpData(char*, int); static void DumpLong(char*, int); #endif /* global variables *********************************************************/ #if 0 /* uboot */ static const char *BootString = BOOT_STRING; #endif struct SK_NET_DEVICE *SkGeRootDev = NULL; static SK_BOOL DoPrintInterfaceChange = SK_TRUE; /* local variables **********************************************************/ static uintptr_t TxQueueAddr[SK_MAX_MACS][2] = {{0x680, 0x600},{0x780, 0x700}}; static uintptr_t RxQueueAddr[SK_MAX_MACS] = {0x400, 0x480}; #if 0 /* uboot */ static int sk98lin_max_boards_found = 0; #endif #ifdef CONFIG_PROC_FS static struct proc_dir_entry *pSkRootDir; #endif #if 0 /* uboot */ static struct pci_device_id sk98lin_pci_tbl[] __devinitdata = { /* { pci_vendor_id, pci_device_id, * SAMPLE ENTRY! * PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, */ { 0x10b7, 0x1700, /* 3Com (10b7), Gigabit Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x10b7, 0x80eb, /* 3Com (10b7), 3Com 3C940B Gigabit LOM Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1148, 0x4300, /* SysKonnect (1148), SK-98xx Gigabit Ethernet Server Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1148, 0x4320, /* SysKonnect (1148), SK-98xx V2.0 Gigabit Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1148, 0x9000, /* SysKonnect (1148), SK-9Sxx 10/100/1000Base-T Server Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1148, 0x9E00, /* SysKonnect (1148), SK-9Exx 10/100/1000Base-T Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1186, 0x4b00, /* D-Link (1186), Gigabit Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1186, 0x4b01, /* D-Link (1186), Gigabit Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1186, 0x4b02, /* D-Link (1186), Gigabit Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1186, 0x4c00, /* D-Link (1186), Gigabit Ethernet Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4320, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4340, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4341, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4342, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4343, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4344, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4345, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4346, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4347, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4350, /* Marvell (11ab), Fast Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4351, /* Marvell (11ab), Fast Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4352, /* Marvell (11ab), Fast Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4356, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4360, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4361, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4362, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4363, /* Marvell (11ab), Marvell */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4364, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4366, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4367, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x4368, /* Marvell (11ab), Gigabit Ethernet Controller */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x11ab, 0x5005, /* Marvell (11ab), Belkin */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1371, 0x434e, /* CNet (1371), GigaCard Network Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1737, 0x1032, /* Linksys (1737), Gigabit Network Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0x1737, 0x1064, /* Linksys (1737), Gigabit Network Adapter */ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0, } }; MODULE_DEVICE_TABLE(pci, sk98lin_pci_tbl); static struct pci_driver sk98lin_driver = { .name = DRIVER_FILE_NAME, .id_table = sk98lin_pci_tbl, .probe = sk98lin_init_device, .remove = __devexit_p(sk98lin_remove_device), #ifdef CONFIG_PM .suspend = sk98lin_suspend, .resume = sk98lin_resume #endif }; #else static struct pci_device_id supported[] = { /* { pci_vendor_id, pci_device_id, * SAMPLE ENTRY! * PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, */ { 0x10b7, 0x1700, /* 3Com (10b7), Gigabit Ethernet Adapter */}, { 0x1148, 0x4300, /* SysKonnect (1148), SK-98xx Gigabit Ethernet Server Adapter */}, { 0x1148, 0x4320, /* SysKonnect (1148), SK-98xx V2.0 Gigabit Ethernet Adapter */}, { 0x1148, 0x4340, /* SysKonnect (1148), SK-9Sxx 10/100/1000Base-T Server Adapter */}, { 0x1148, 0x9000, /* SysKonnect (1148), SK-9Sxx 10/100/1000Base-T Server Adapter */}, { 0x1148, 0x9E00, /* SysKonnect (1148), SK-9Exx 10/100/1000Base-T Adapter */}, { 0x1186, 0x4c00, /* D-Link (1186), Gigabit Ethernet Adapter */}, { 0x11ab, 0x4320, /* Marvell (11ab), Gigabit Ethernet Controller */}, { 0x11ab, 0x4350, /* Marvell (11ab), Fast Ethernet Controller */}, { 0x11ab, 0x4351, /* Marvell (11ab), Fast Ethernet Controller */}, { 0x11ab, 0x4360, /* Marvell (11ab), Gigabit Ethernet Controller */}, { 0x11ab, 0x4361, /* Marvell (11ab), Gigabit Ethernet Controller */}, { 0x11ab, 0x4362, /* Marvell (11ab), Gigabit Ethernet Controller */}, { 0x11ab, 0x4363, /* Marvell (11ab), Gigabit Ethernet Controller */}, { 0x11ab, 0x5005, /* Marvell (11ab), Belkin */}, { 0x1371, 0x434e, /* CNet (1371), GigaCard Network Adapter */}, { 0x1737, 0x1032, /* Linksys (1737), Gigabit Network Adapter */}, { 0x1737, 0x1064, /* Linksys (1737), Gigabit Network Adapter */}, { } }; #endif #if 0 /***************************************************************************** * * sk98lin_init_device - initialize the adapter * * Description: * This function initializes the adapter. Resources for * the adapter are allocated and the adapter is brought into Init 1 * state. * * Returns: * 0, if everything is ok * !=0, on error */ static int __devinit sk98lin_init_device(struct pci_dev *pdev, const struct pci_device_id *ent) { static SK_BOOL sk98lin_boot_string = SK_FALSE; static SK_BOOL sk98lin_proc_entry = SK_FALSE; static int sk98lin_boards_found = 0; SK_AC *pAC; DEV_NET *pNet = NULL; struct SK_NET_DEVICE *dev = NULL; int retval; #ifdef CONFIG_PROC_FS struct proc_dir_entry *pProcFile; #endif int pci_using_dac; #if 0 /* uboot */ retval = pci_enable_device(pdev); if (retval) { printk(KERN_ERR "Cannot enable PCI device, " "aborting.\n"); return retval; } #endif dev = NULL; pNet = NULL; /* INSERT * We have to find the power-management capabilities */ /* Find power-management capability. */ pci_using_dac = 0; /* Set 32 bit DMA per default */ /* Configure DMA attributes. */ retval = pci_set_dma_mask(pdev, (u64) 0xffffffffffffffffULL); if (!retval) { pci_using_dac = 1; } else { retval = pci_set_dma_mask(pdev, (u64) 0xffffffff); if (retval) { printk(KERN_ERR "No usable DMA configuration, " "aborting.\n"); return retval; } } if ((dev = alloc_etherdev(sizeof(DEV_NET))) == NULL) { printk(KERN_ERR "Unable to allocate etherdev " "structure!\n"); return -ENODEV; } pNet = dev->priv; pNet->pAC = kmalloc(sizeof(SK_AC), GFP_KERNEL); if (pNet->pAC == NULL){ free_netdev(dev); printk(KERN_ERR "Unable to allocate adapter " "structure!\n"); return -ENODEV; } /* Print message */ if (!sk98lin_boot_string) { /* set display flag to TRUE so that */ /* we only display this string ONCE */ sk98lin_boot_string = SK_TRUE; printk("%s\n", BootString); } memset(pNet->pAC, 0, sizeof(SK_AC)); pAC = pNet->pAC; pAC->PciDev = pdev; pAC->PciDevId = pdev->device; pAC->dev[0] = dev; pAC->dev[1] = dev; sprintf(pAC->Name, "SysKonnect SK-98xx"); pAC->CheckQueue = SK_FALSE; dev->irq = pdev->irq; retval = SkGeInitPCI(pAC); if (retval) { printk("SKGE: PCI setup failed: %i\n", retval); free_netdev(dev); return -ENODEV; } SET_MODULE_OWNER(dev); dev->open = &SkGeOpen; dev->stop = &SkGeClose; dev->get_stats = &SkGeStats; dev->set_multicast_list = &SkGeSetRxMode; dev->set_mac_address = &SkGeSetMacAddr; dev->do_ioctl = &SkGeIoctl; dev->change_mtu = &SkGeChangeMtu; dev->flags &= ~IFF_RUNNING; #ifdef SK_POLL_CONTROLLER dev->poll_controller = SkGeNetPoll; #endif SET_NETDEV_DEV(dev, &pdev->dev); pAC->Index = sk98lin_boards_found; if (SkGeBoardInit(dev, pAC)) { free_netdev(dev); return -ENODEV; } else { ProductStr(pAC); } if (pci_using_dac) dev->features |= NETIF_F_HIGHDMA; /* shifter to later moment in time... */ if (CHIP_ID_YUKON_2(pAC)) { dev->hard_start_xmit = &SkY2Xmit; #ifdef CONFIG_SK98LIN_NAPI dev->poll = &SkY2Poll; dev->weight = 64; #endif } else { dev->hard_start_xmit = &SkGeXmit; #ifdef CONFIG_SK98LIN_NAPI dev->poll = &SkGePoll; dev->weight = 64; #endif } #ifdef NETIF_F_TSO #ifdef USE_SK_TSO_FEATURE if ((CHIP_ID_YUKON_2(pAC)) && (pAC->GIni.GIChipId != CHIP_ID_YUKON_EC_U)) { dev->features |= NETIF_F_TSO; } #endif #endif #ifdef CONFIG_SK98LIN_ZEROCOPY if (pAC->GIni.GIChipId != CHIP_ID_GENESIS) dev->features |= NETIF_F_SG; #endif #ifdef USE_SK_TX_CHECKSUM if (pAC->GIni.GIChipId != CHIP_ID_GENESIS) dev->features |= NETIF_F_IP_CSUM; #endif #ifdef USE_SK_RX_CHECKSUM pAC->RxPort[0].UseRxCsum = SK_TRUE; if (pAC->GIni.GIMacsFound == 2 ) { pAC->RxPort[1].UseRxCsum = SK_TRUE; } #endif /* 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; SK_MEMSET(&(pAC->PnmiBackup), 0, sizeof(SK_PNMI_STRUCT_DATA)); SK_MEMCPY(&(pAC->PnmiBackup), &(pAC->PnmiStruct), sizeof(SK_PNMI_STRUCT_DATA)); /* Register net device */ retval = register_netdev(dev); if (retval) { printk(KERN_ERR "SKGE: Could not register device.\n"); FreeResources(dev); free_netdev(dev); return retval; } /* Save initial device name */ strcpy(pNet->InitialDevName, dev->name); /* Set network to off */ netif_stop_queue(dev); netif_carrier_off(dev); /* Print adapter specific string from vpd and config settings */ printk("%s: %s\n", pNet->InitialDevName, pAC->DeviceStr); 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((caddr_t) &dev->dev_addr, (caddr_t) &pAC->Addr.Net[0].CurrentMacAddress, 6); /* First adapter... Create proc and print message */ #ifdef CONFIG_PROC_FS if (!sk98lin_proc_entry) { sk98lin_proc_entry = SK_TRUE; SK_MEMCPY(&SK_Root_Dir_entry, BootString, sizeof(SK_Root_Dir_entry) - 1); /*Create proc (directory)*/ if(!pSkRootDir) { pSkRootDir = proc_mkdir(SK_Root_Dir_entry, proc_net); if (!pSkRootDir) { printk(KERN_WARNING "%s: Unable to create /proc/net/%s", dev->name, SK_Root_Dir_entry); } else { pSkRootDir->owner = THIS_MODULE; } } } /* Create proc file */ if (pSkRootDir && (pProcFile = create_proc_entry(pNet->InitialDevName, S_IRUGO, pSkRootDir))) { pProcFile->proc_fops = &sk_proc_fops; pProcFile->data = dev; } #endif pNet->PortNr = 0; pNet->NetNr = 0; sk98lin_boards_found++; pci_set_drvdata(pdev, dev); /* More then one port found */ if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { if ((dev = alloc_etherdev(sizeof(DEV_NET))) == 0) { printk(KERN_ERR "Unable to allocate etherdev " "structure!\n"); return -ENODEV; } pAC->dev[1] = dev; pNet = dev->priv; pNet->PortNr = 1; pNet->NetNr = 1; pNet->pAC = pAC; if (CHIP_ID_YUKON_2(pAC)) { dev->hard_start_xmit = &SkY2Xmit; #ifdef CONFIG_SK98LIN_NAPI dev->poll = &SkY2Poll; dev->weight = 64; #endif } else { dev->hard_start_xmit = &SkGeXmit; #ifdef CONFIG_SK98LIN_NAPI dev->poll = &SkGePoll; dev->weight = 64; #endif } dev->open = &SkGeOpen; dev->stop = &SkGeClose; dev->get_stats = &SkGeStats; dev->set_multicast_list = &SkGeSetRxMode; dev->set_mac_address = &SkGeSetMacAddr; dev->do_ioctl = &SkGeIoctl; dev->change_mtu = &SkGeChangeMtu; dev->flags &= ~IFF_RUNNING; #ifdef SK_POLL_CONTROLLER dev->poll_controller = SkGeNetPoll; #endif #ifdef NETIF_F_TSO #ifdef USE_SK_TSO_FEATURE if ((CHIP_ID_YUKON_2(pAC)) && (pAC->GIni.GIChipId != CHIP_ID_YUKON_EC_U)) { dev->features |= NETIF_F_TSO; } #endif #endif #ifdef CONFIG_SK98LIN_ZEROCOPY /* Don't handle if Genesis chipset */ if (pAC->GIni.GIChipId != CHIP_ID_GENESIS) dev->features |= NETIF_F_SG; #endif #ifdef USE_SK_TX_CHECKSUM /* Don't handle if Genesis chipset */ if (pAC->GIni.GIChipId != CHIP_ID_GENESIS) dev->features |= NETIF_F_IP_CSUM; #endif if (register_netdev(dev)) { printk(KERN_ERR "SKGE: Could not register device.\n"); free_netdev(dev); pAC->dev[1] = pAC->dev[0]; } else { /* Save initial device name */ strcpy(pNet->InitialDevName, dev->name); /* Set network to off */ netif_stop_queue(dev); netif_carrier_off(dev); #ifdef CONFIG_PROC_FS if (pSkRootDir && (pProcFile = create_proc_entry(pNet->InitialDevName, S_IRUGO, pSkRootDir))) { pProcFile->proc_fops = &sk_proc_fops; pProcFile->data = dev; } #endif memcpy((caddr_t) &dev->dev_addr, (caddr_t) &pAC->Addr.Net[1].CurrentMacAddress, 6); printk("%s: %s\n", pNet->InitialDevName, pAC->DeviceStr); printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); } } pAC->Index = sk98lin_boards_found; sk98lin_max_boards_found = sk98lin_boards_found; return 0; } /***************************************************************************** * * SkGeInitPCI - Init the PCI resources * * Description: * This function initialize the PCI resources and IO * * Returns: N/A * */ int SkGeInitPCI(SK_AC *pAC) { struct SK_NET_DEVICE *dev = pAC->dev[0]; struct pci_dev *pdev = pAC->PciDev; int retval; if (pci_enable_device(pdev) != 0) { return 1; } dev->mem_start = pci_resource_start (pdev, 0); pci_set_master(pdev); if (pci_request_regions(pdev, DRIVER_FILE_NAME) != 0) { retval = 2; goto out_disable; } #if defined (SK_BIG_ENDIAN) /* * On big endian machines, we use the adapter's aibility of * reading the descriptors as big endian. */ if (CHIP_ID_YUKON_2(pAC)) { SK_U32 our2; SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); our2 |= PCI_REV_DESC; SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); } else { SK_U32 our2; SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); our2 |= PCI_REV_DESC; SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); } #else { 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 = (char*)ioremap_nocache(dev->mem_start, 0x4000); if (!pAC->IoBase){ retval = 3; goto out_release; } return 0; out_release: pci_release_regions(pdev); out_disable: pci_disable_device(pdev); return retval; } #else /***************************************************************************** * * skge_probe - find all SK-98xx adapters * * Description: * This function scans the PCI bus for SK-98xx adapters. Resources for * each adapter are allocated and the adapter is brought into Init 1 * state. * * Returns: * 0, if everything is ok * !=0, on error */ static int probed __initdata = 0; int skge_probe (struct eth_device ** ret_dev) { int boards_found = 0; SK_AC *pAC; DEV_NET *pNet = NULL; u32 base_address; struct SK_NET_DEVICE *dev = NULL; SK_BOOL BootStringCount = SK_FALSE; pci_dev_t devno; if (probed) return -ENODEV; probed++; if (!pci_present()) /* is PCI support present? */ return -ENODEV; while(1) { if((devno = pci_find_devices (supported, boards_found)) < 0) { break; } dev = NULL; pNet = NULL; dev = malloc (sizeof (struct SK_NET_DEVICE)); memset(dev, 0, sizeof(struct SK_NET_DEVICE)); dev->priv = malloc(sizeof(DEV_NET)); if (dev->priv == NULL) { printk(KERN_ERR "Unable to allocate adapter " "structure!\n"); break; } pNet = dev->priv; pNet->pAC = kmalloc(sizeof(SK_AC), GFP_KERNEL); if (pNet->pAC == NULL){ kfree(dev->priv); printf("kfree: dev->priv1=0x%x\n",dev->priv); printk(KERN_ERR "Unable to allocate adapter " "structure!\n"); #if 1 /* Marvell - uboot */ return -ENODEV; #endif /*break;*/ } /* Print message */ if (!BootStringCount) { /* set display flag to TRUE so that */ /* we only display this string ONCE */ BootStringCount = SK_TRUE; #ifdef SK98_INFO printk("%s\n", BootString); #endif } memset(pNet->pAC, 0, sizeof(SK_AC)); pAC = pNet->pAC; pAC->PciDev = devno; ret_dev[boards_found] = pAC->dev[0] = dev; sprintf(pAC->Name, "SysKonnect SK-98xx"); pAC->CheckQueue = SK_FALSE; pNet->Mtu = 1500; pNet->Up = 0; #ifdef SK_ZEROCOPY if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { /* Use only if yukon hardware */ /* SK and ZEROCOPY - fly baby... */ dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; } #endif pci_write_config_dword(devno, PCI_COMMAND, PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); pci_read_config_dword (devno, PCI_BASE_ADDRESS_0, &base_address); /* * Remap the regs into kernel space. */ pAC->IoBase =((char*)pci_mem_to_phys(devno, base_address)); #if 1/* Marvell - uboot : make it aligned */ pAC->IoBase = (SK_IOC)((unsigned int)pAC->IoBase & 0xFFFFFFF0); #endif if (!pAC->IoBase){ printk(KERN_ERR "%s: Unable to map I/O register, " "SK 98xx No. %i will be disabled.\n", dev->name, boards_found); kfree(dev); printf("kfree: dev3=0x%x\n",dev); break; } pAC->Index = boards_found; if (SkGeBoardInit(dev, pAC)) { FreeResources(dev); kfree(dev); printf("kfree: dev4=0x%x\n",dev); continue; } memcpy((caddr_t) &dev->enetaddr, (caddr_t) &pAC->Addr.Net[0].CurrentMacAddress, 6); pNet->PortNr = 0; pNet->NetNr = 0; boards_found++; /* More then one port found */ if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { printk(" NEVER TESTED \n"); dev = malloc (sizeof(struct SK_NET_DEVICE)); memcpy(dev, pAC->dev[0], sizeof(struct SK_NET_DEVICE)); dev->priv = malloc(sizeof(DEV_NET)); memcpy(dev->priv, pAC->dev[0]->priv, sizeof(DEV_NET)); ret_dev[1] = pAC->dev[1] = dev; boards_found++; pNet = dev->priv; pNet->PortNr = 1; pNet->NetNr = 1; pNet->pAC = pAC; pNet->Mtu = 1500; pNet->Up = 0; memcpy((caddr_t) &dev->enetaddr, (caddr_t) &pAC->Addr.Net[1].CurrentMacAddress, 6); printk("%s: %s\n", dev->name, pAC->DeviceStr); printk(" PrefPort:B RlmtMode:Dual Check Link State\n"); } /* Save the hardware revision */ pAC->HWRevision = (((pAC->GIni.GIPciHwRev >> 4) & 0x0F)*10) + (pAC->GIni.GIPciHwRev & 0x0F); #if 0 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); #endif #if defined (SK_BIG_ENDIAN) /* * On big endian machines, we use the adapter's aibility of * reading the descriptors as big endian. */ if (CHIP_ID_YUKON_2(pAC)) { SK_U32 our2; SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); our2 |= PCI_REV_DESC; SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); } else { SK_U32 our2; SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); our2 |= PCI_REV_DESC; SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); } #else { SK_U32 our2; SkPciReadCfgDWord(pAC, PCI_OUR_REG_2, &our2); our2 &= ~PCI_REV_DESC; SkPciWriteCfgDWord(pAC, PCI_OUR_REG_2, our2); } #endif } /* * If we're at this point we're going through skge_probe() for * the first time. Return success (0) if we've initialized 1 * or more boards. Otherwise, return failure (-ENODEV). */ return boards_found; } /* skge_probe */ #endif #ifdef Y2_RECOVERY /***************************************************************************** * * SkGeHandleKernelTimer - Handle the kernel timer requests * * Description: * If the requested time interval for the timer has elapsed, * this function checks the link state. * * Returns: N/A * */ static void SkGeHandleKernelTimer( unsigned long ptr) /* holds the pointer to adapter control context */ { DEV_NET *pNet = (DEV_NET*) ptr; SkGeCheckTimer(pNet); } /***************************************************************************** * * sk98lin_check_timer - Resume the the card * * Description: * This function checks the kernel timer * * Returns: N/A * */ void SkGeCheckTimer( DEV_NET *pNet) /* holds the pointer to adapter control context */ { SK_AC *pAC = pNet->pAC; SK_BOOL StartTimer = SK_TRUE; if (pNet->InRecover) return; if (pNet->TimerExpired) return; pNet->TimerExpired = SK_TRUE; #define TXPORT pAC->TxPort[pNet->PortNr][TX_PRIO_LOW] #define RXPORT pAC->RxPort[pNet->PortNr] if ( (CHIP_ID_YUKON_2(pAC)) && (netif_running(pAC->dev[pNet->PortNr]))) { #ifdef Y2_RX_CHECK if (HW_FEATURE(pAC, HWF_WA_DEV_4167)) { /* Checks the RX path */ CheckRxPath(pNet); } #endif /* Checkthe transmitter */ if (!(IS_Q_EMPTY(&TXPORT.TxAQ_working))) { if (TXPORT.LastDone != TXPORT.TxALET.Done) { TXPORT.LastDone = TXPORT.TxALET.Done; pNet->TransmitTimeoutTimer = 0; } else { pNet->TransmitTimeoutTimer++; if (pNet->TransmitTimeoutTimer >= 10) { pNet->TransmitTimeoutTimer = 0; #ifdef CHECK_TRANSMIT_TIMEOUT StartTimer = SK_FALSE; SkLocalEventQueue(pAC, SKGE_DRV, SK_DRV_RECOVER,pNet->PortNr,-1,SK_FALSE); #endif } } } #ifdef CHECK_TRANSMIT_TIMEOUT // if (!timer_pending(&pNet->KernelTimer)) { #if 0 //u-boot pNet->KernelTimer.expires = jiffies + (HZ/4); /* 100ms */ add_timer(&pNet->KernelTimer); #endif pNet->TimerExpired = SK_FALSE; // } #endif } } /***************************************************************************** * * CheckRXCounters - Checks the the statistics for RX path hang * * Description: * This function is called periodical by a timer. * * Notes: * * Function Parameters: * * Returns: * Traffic status * */ static SK_BOOL CheckRXCounters( DEV_NET *pNet) /* holds the pointer to adapter control context */ { #if 0 // u-boot SK_AC *pAC = pNet->pAC; #endif SK_BOOL bStatus = SK_FALSE; /* Variable used to store the MAC RX FIFO RP, RPLev*/ SK_U32 MACFifoRP = 0; SK_U32 MACFifoRLev = 0; /* Variable used to store the PCI RX FIFO RP, RPLev*/ SK_U32 RXFifoRP = 0; SK_U8 RXFifoRLev = 0; SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DRV_MSG, ("==> CheckRXCounters()\n")); /*Check if statistic counters hangs*/ #if 0 // u-boot if (pNet->LastJiffies == pAC->dev[pNet->PortNr]->last_rx) { /* Now read the values of read pointer/level from MAC RX FIFO again */ SK_IN32(pAC->IoBase, MR_ADDR(pNet->PortNr, RX_GMF_RP), &MACFifoRP); SK_IN32(pAC->IoBase, MR_ADDR(pNet->PortNr, RX_GMF_RLEV), &MACFifoRLev); /* Now read the values of read pointer/level from RX FIFO again */ SK_IN8(pAC->IoBase, Q_ADDR(pAC->GIni.GP[pNet->PortNr].PRxQOff, Q_RX_RP), &RXFifoRP); SK_IN8(pAC->IoBase, Q_ADDR(pAC->GIni.GP[pNet->PortNr].PRxQOff, Q_RX_RL), &RXFifoRLev); /* Check if the MAC RX hang */ if ((MACFifoRP == pNet->PreviousMACFifoRP) && (pNet->PreviousMACFifoRP != 0) && (MACFifoRLev >= pNet->PreviousMACFifoRLev)){ bStatus = SK_TRUE; } /* Check if the PCI RX hang */ if ((RXFifoRP == pNet->PreviousRXFifoRP) && (pNet->PreviousRXFifoRP != 0) && (RXFifoRLev >= pNet->PreviousRXFifoRLev)){ /*Set the flag to indicate that the RX FIFO hangs*/ bStatus = SK_TRUE; } } /* Store now the values of counters for next check */ pNet->LastJiffies = pAC->dev[pNet->PortNr]->last_rx; #endif /* Store the values of read pointer/level from MAC RX FIFO for next test */ pNet->PreviousMACFifoRP = MACFifoRP; pNet->PreviousMACFifoRLev = MACFifoRLev; /* Store the values of read pointer/level from RX FIFO for next test */ pNet->PreviousRXFifoRP = RXFifoRP; pNet->PreviousRXFifoRLev = RXFifoRLev; SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DRV_MSG, ("<== CheckRXCounters()\n")); return bStatus; } /***************************************************************************** * * CheckRxPath - Checks if the RX path * * Description: * This function is called periodical by a timer. * * Notes: * * Function Parameters: * * Returns: * None. * */ static void CheckRxPath( DEV_NET *pNet) /* holds the pointer to adapter control context */ { unsigned long Flags; /* for the spin locks */ /* Initialize the pAC structure.*/ SK_AC *pAC = pNet->pAC; SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DRV_MSG, ("==> CheckRxPath()\n")); /*If the statistics are not changed then could be an RX problem */ if (CheckRXCounters(pNet)){ /* * First we try the simple solution by resetting the Level Timer */ /* Stop Level Timer of Status BMU */ SK_OUT8(pAC->IoBase, STAT_LEV_TIMER_CTRL, TIM_STOP); /* Start Level Timer of Status BMU */ SK_OUT8(pAC->IoBase, STAT_LEV_TIMER_CTRL, TIM_START); if (!CheckRXCounters(pNet)) { return; } spin_lock_irqsave(&pAC->SlowPathLock, Flags); SkLocalEventQueue(pAC, SKGE_DRV, SK_DRV_RECOVER,pNet->PortNr,-1,SK_TRUE); /* Reset the fifo counters */ pNet->PreviousMACFifoRP = 0; pNet->PreviousMACFifoRLev = 0; pNet->PreviousRXFifoRP = 0; pNet->PreviousRXFifoRLev = 0; spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); } SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DRV_MSG, ("<== CheckRxPath()\n")); } #endif #ifdef CONFIG_PM /***************************************************************************** * * sk98lin_resume - Resume the the card * * Description: * This function resumes the card into the D0 state * * Returns: N/A * */ static int sk98lin_resume( struct pci_dev *pdev) /* the device that is to resume */ { struct net_device *dev = pci_get_drvdata(pdev); DEV_NET *pNet = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; SK_U16 PmCtlSts; /* Set the power state to D0 */ pci_set_power_state(pdev, 0); pci_restore_state(pdev, pAC->PciState); pci_enable_device(pdev); pci_set_master(pdev); pci_enable_wake(pdev, 3, 0); pci_enable_wake(pdev, 4, 0); SK_OUT8(pAC->IoBase, RX_GMF_CTRL_T, (SK_U8)GMF_RST_CLR); /* Set the adapter power state to D0 */ SkPciReadCfgWord(pAC, PCI_PM_CTL_STS, &PmCtlSts); PmCtlSts &= ~(PCI_PM_STATE_D3); /* reset all DState bits */ PmCtlSts |= PCI_PM_STATE_D0; SkPciWriteCfgWord(pAC, PCI_PM_CTL_STS, PmCtlSts); /* Reinit the adapter and start the port again */ pAC->BoardLevel = SK_INIT_DATA; SkDrvLeaveDiagMode(pAC); if ((pAC->GIni.GIChipId == CHIP_ID_YUKON_EC) || (CHIP_ID_YUKON_2(pAC)) ) { pAC->StatusLETable.Done = 0; pAC->StatusLETable.Put = 0; pAC->StatusLETable.HwPut = 0; SkGeY2InitStatBmu(pAC, pAC->IoBase, &pAC->StatusLETable); } return 0; } /***************************************************************************** * * sk98lin_suspend - Suspend the card * * Description: * This function suspends the card into a defined state * * Returns: N/A * */ static int sk98lin_suspend( struct pci_dev *pdev, /* pointer to the device that is to suspend */ u32 state) /* what power state is desired by Linux? */ { struct net_device *dev = pci_get_drvdata(pdev); DEV_NET *pNet = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; SK_U16 PciPMControlStatus; SK_U16 PciPMCapabilities; SK_MAC_ADDR MacAddr; int i; /* GEnesis and first yukon revs do not support power management */ if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { if (pAC->GIni.GIChipRev == 0) { return 0; /* power management not supported */ } } if (pAC->GIni.GIChipId == CHIP_ID_GENESIS) { return 0; /* not supported for this chipset */ } if (pAC->WolInfo.ConfiguredWolOptions == 0) { return 0; /* WOL possible, but disabled via ethtool */ } if(netif_running(dev)) { netif_stop_queue(dev); /* stop device if running */ } /* read the PM control/status register from the PCI config space */ SK_IN16(pAC->IoBase, PCI_C(pAC, PCI_PM_CTL_STS), &PciPMControlStatus); /* read the power management capabilities from the config space */ SK_IN16(pAC->IoBase, PCI_C(pAC, PCI_PM_CAP_REG), &PciPMCapabilities); /* Enable WakeUp with Magic Packet - get MAC address from adapter */ for (i = 0; i < SK_MAC_ADDR_LEN; i++) { /* virtual address: will be used for data */ SK_IN8(pAC->IoBase, (B2_MAC_1 + i), &MacAddr.a[i]); } SkDrvEnterDiagMode(pAC); SkEnableWOMagicPacket(pAC, pAC->IoBase, MacAddr); pci_enable_wake(pdev, 3, 1); pci_enable_wake(pdev, 4, 1); /* 4 == D3 cold */ pci_save_state(pdev, pAC->PciState); pci_disable_device(pdev); // NEW pci_set_power_state(pdev, state); /* set the state */ return 0; } /****************************************************************************** * * SkEnableWOMagicPacket - Enable Wake on Magic Packet on the adapter * * Context: * init, pageable * the adapter should be de-initialized before calling this function * * Returns: * nothing */ static void SkEnableWOMagicPacket( SK_AC *pAC, /* Adapter Control Context */ SK_IOC IoC, /* I/O control context */ SK_MAC_ADDR MacAddr) /* MacAddr expected in magic packet */ { SK_U16 Word; SK_U32 DWord; int i; int HwPortIndex; int Port = 0; /* use Port 0 as long as we do not have any dual port cards which support WOL */ HwPortIndex = 0; DWord = 0; SK_OUT16(IoC, 0x0004, 0x0002); /* clear S/W Reset */ SK_OUT16(IoC, 0x0f10, 0x0002); /* clear Link Reset */ /* * PHY Configuration: * Autonegotioation is enalbed, advertise 10 HD, 10 FD, * 100 HD, and 100 FD. */ if ((pAC->GIni.GIChipId == CHIP_ID_YUKON_EC) || (pAC->GIni.GIChipId == CHIP_ID_YUKON) || (pAC->GIni.GIChipId == CHIP_ID_YUKON_LITE) || (CHIP_ID_YUKON_2(pAC)) ) { SK_OUT8(IoC, 0x0007, 0xa9); /* enable VAUX */ /* WA code for COMA mode */ /* Only for yukon plus based chipsets rev A3 */ if (pAC->GIni.GIChipRev >= CHIP_REV_YU_LITE_A3) { SK_IN32(IoC, B2_GP_IO, &DWord); DWord |= GP_DIR_9; /* set to output */ DWord &= ~GP_IO_9; /* clear PHY reset (active high) */ SK_OUT32(IoC, B2_GP_IO, DWord); /* clear PHY reset */ } if ((pAC->GIni.GIChipId == CHIP_ID_YUKON_LITE) || (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { SK_OUT32(IoC, 0x0f04, 0x01f04001); /* set PHY reset */ SK_OUT32(IoC, 0x0f04, 0x01f04002); /* clear PHY reset */ } else { SK_OUT8(IoC, 0x0f04, 0x02); /* clear PHY reset */ } SK_OUT8(IoC, 0x0f00, 0x02); /* clear MAC reset */ SkGmPhyWrite(pAC, IoC, Port, 4, 0x01e1); /* advertise 10/100 HD/FD */ SkGmPhyWrite(pAC, IoC, Port, 9, 0x0000); /* do not advertise 1000 HD/FD */ SkGmPhyWrite(pAC, IoC, Port, 00, 0xB300); /* 100 MBit, disable Autoneg */ } else if (pAC->GIni.GIChipId == CHIP_ID_YUKON_FE) { SK_OUT8(IoC, 0x0007, 0xa9); /* enable VAUX */ SK_OUT8(IoC, 0x0f04, 0x02); /* clear PHY reset */ SK_OUT8(IoC, 0x0f00, 0x02); /* clear MAC reset */ SkGmPhyWrite(pAC, IoC, Port, 16, 0x0130); /* Enable Automatic Crossover */ SkGmPhyWrite(pAC, IoC, Port, 00, 0xB300); /* 100 MBit, disable Autoneg */ } /* * MAC Configuration: * Set the MAC to 100 HD and enable the auto update features * for Speed, Flow Control and Duplex Mode. * If autonegotiation completes successfully the * MAC takes the link parameters from the PHY. * If the link partner doesn't support autonegotiation * the MAC can receive magic packets if the link partner * uses 100 HD. */ SK_OUT16(IoC, 0x2804, 0x3832); /* * Set Up Magic Packet parameters */ for (i = 0; i < 6; i+=2) { /* set up magic packet MAC address */ SK_IN16(IoC, 0x100 + i, &Word); SK_OUT16(IoC, 0xf24 + i, Word); } SK_OUT16(IoC, 0x0f20, 0x0208); /* enable PME on magic packet */ /* and on wake up frame */ /* * Set up PME generation */ /* set PME legacy mode */ /* Only for PCI express based chipsets */ if ((pAC->GIni.GIChipId == CHIP_ID_YUKON_EC) || (pAC->GIni.GIChipId == CHIP_ID_YUKON_FE) || (CHIP_ID_YUKON_2(pAC))) { SkPciReadCfgDWord(pAC, 0x40, &DWord); DWord |= 0x8000; SkPciWriteCfgDWord(pAC, 0x40, DWord); } SK_OUT8(IoC, RX_GMF_CTRL_T, (SK_U8)GMF_RST_SET); /* clear PME status and switch adapter to DState */ SkPciReadCfgWord(pAC, 0x4c, &Word); Word |= 0x103; SkPciWriteCfgWord(pAC, 0x4c, Word); } /* SkEnableWOMagicPacket */ #endif /***************************************************************************** * * 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; if (dev->priv) { pNet = (DEV_NET*) dev->priv; pAC = pNet->pAC; AllocFlag = pAC->AllocFlag; #if 0 /* uboot */ if (pAC->PciDev) { pci_release_regions(pAC->PciDev); } if (AllocFlag & SK_ALLOC_IRQ) { free_irq(dev->irq, dev); } if (pAC->IoBase) { iounmap(pAC->IoBase); } #endif #if 0 /* Marvell- uboot */ if (CHIP_ID_YUKON_2(pAC)) { SkY2FreeResources(pAC); } else { BoardFreeMem(pAC); } #else if (CHIP_ID_YUKON_2(pAC)) { SkY2FreeResources(pAC); } else { BoardFreeMem(pAC); } #endif } } /* FreeResources */ #if 0 /* uboot */ MODULE_AUTHOR("Mirko Lindner "); MODULE_DESCRIPTION("SysKonnect SK-NET Gigabit Ethernet SK-98xx driver"); MODULE_LICENSE("GPL"); #endif #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 *LowLatency[SK_MAX_CARD_PARAM]; #if 0 /***************************************************************************** * * sk98lin_remove_device - device deinit function * * Description: * Disable adapter if it is still running, free resources, * free device struct. * * Returns: N/A */ static void sk98lin_remove_device(struct pci_dev *pdev) { DEV_NET *pNet; SK_AC *pAC; struct SK_NET_DEVICE *next; unsigned long Flags; struct net_device *dev = pci_get_drvdata(pdev); /* Device not available. Return. */ if (!dev) return; pNet = (DEV_NET*) dev->priv; pAC = pNet->pAC; next = pAC->Next; netif_stop_queue(dev); SkGeYellowLED(pAC, pAC->IoBase, 0); if(pAC->BoardLevel == SK_INIT_RUN) { /* board is still alive */ spin_lock_irqsave(&pAC->SlowPathLock, Flags); SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, 0, -1, SK_FALSE); SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, 1, -1, SK_TRUE); /* 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; } if ((pAC->GIni.GIMacsFound == 2) && pAC->RlmtNets == 2){ unregister_netdev(pAC->dev[1]); free_netdev(pAC->dev[1]); } FreeResources(dev); #ifdef CONFIG_PROC_FS /* Remove the sk98lin procfs device entries */ if ((pAC->GIni.GIMacsFound == 2) && pAC->RlmtNets == 2){ remove_proc_entry(pAC->dev[1]->name, pSkRootDir); } remove_proc_entry(pNet->InitialDevName, pSkRootDir); #endif dev->get_stats = NULL; /* * otherwise unregister_netdev calls get_stats with * invalid IO ... :-( */ unregister_netdev(dev); free_netdev(dev); kfree(pAC); sk98lin_max_boards_found--; #ifdef CONFIG_PROC_FS /* Remove all Proc entries if last device */ if (sk98lin_max_boards_found == 0) { /* clear proc-dir */ remove_proc_entry(pSkRootDir->name, proc_net); } #endif } #endif /***************************************************************************** * * 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 __init 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; #if 0 /* uboot */ int Ret; /* return code of request_irq */ #endif SK_BOOL DualNet; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("IoBase: %08lX\n", (unsigned long)pAC->IoBase)); for (i=0; iTxPort[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; iTxPort[i][0].TxDesRingLock); spin_lock_init(&pAC->RxPort[i].RxDesRingLock); } spin_lock_init(&pAC->InitLock); /* Init lock */ spin_lock_init(&pAC->SlowPathLock); spin_lock_init(&pAC->TxQueueLock); /* for Yukon2 chipsets */ spin_lock_init(&pAC->SetPutIndexLock); /* for Yukon2 chipsets */ /* 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(-EAGAIN); } SkI2cInit( pAC, pAC->IoBase, SK_INIT_DATA); SkEventInit(pAC, pAC->IoBase, SK_INIT_DATA); #ifdef SK_PNMI_SUPPORT SkPnmiInit( pAC, pAC->IoBase, SK_INIT_DATA); #endif 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->RxPort[0].RxBufSize = ETH_BUF_SIZE; pAC->RxPort[1].RxBufSize = ETH_BUF_SIZE; SK_PNMI_SET_DRIVER_DESCR(pAC, DescrString); SK_PNMI_SET_DRIVER_VER(pAC, VerStr); /* level 1 init common modules here (HW init) */ if (SkGeInit(pAC, pAC->IoBase, SK_INIT_IO) != 0) { printk("sk98lin: HWInit (1) failed.\n"); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); return(-EAGAIN); } SkI2cInit( pAC, pAC->IoBase, SK_INIT_IO); SkEventInit(pAC, pAC->IoBase, SK_INIT_IO); #ifdef SK_PNMI_SUPPORT SkPnmiInit( pAC, pAC->IoBase, SK_INIT_IO); #endif SkAddrInit( pAC, pAC->IoBase, SK_INIT_IO); SkRlmtInit( pAC, pAC->IoBase, SK_INIT_IO); SkTimerInit(pAC, pAC->IoBase, SK_INIT_IO); #ifdef Y2_RECOVERY /* mark entries invalid */ pAC->LastPort = 3; pAC->LastOpc = 0xFF; #endif /* Set chipset type support */ if ((pAC->GIni.GIChipId == CHIP_ID_YUKON) || (pAC->GIni.GIChipId == CHIP_ID_YUKON_LITE) || (pAC->GIni.GIChipId == CHIP_ID_YUKON_LP)) { pAC->ChipsetType = 1; /* Yukon chipset (descriptor logic) */ } else if (CHIP_ID_YUKON_2(pAC)) { pAC->ChipsetType = 2; /* Yukon2 chipset (list logic) */ } else { pAC->ChipsetType = 0; /* Genesis chipset (descriptor logic) */ } /* wake on lan support */ pAC->WolInfo.SupportedWolOptions = 0; #if defined (ETHTOOL_GWOL) && defined (ETHTOOL_SWOL) if (pAC->GIni.GIChipId != CHIP_ID_GENESIS) { pAC->WolInfo.SupportedWolOptions = WAKE_MAGIC; if (pAC->GIni.GIChipId == CHIP_ID_YUKON) { if (pAC->GIni.GIChipRev == 0) { pAC->WolInfo.SupportedWolOptions = 0; } } } #endif pAC->WolInfo.ConfiguredWolOptions = pAC->WolInfo.SupportedWolOptions; GetConfiguration(pAC); if (pAC->RlmtNets == 2) { pAC->GIni.GP[0].PPortUsage = SK_MUL_LINK; pAC->GIni.GP[1].PPortUsage = SK_MUL_LINK; } pAC->BoardLevel = SK_INIT_IO; spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); if (!CHIP_ID_YUKON_2(pAC)) { #ifdef CONFIG_SK98LIN_NAPI dev->poll = &SkGePoll; dev->weight = 64; #endif #if 0 /* uboot */ if (pAC->GIni.GIMacsFound == 2) { Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, dev->name, dev); } else if (pAC->GIni.GIMacsFound == 1) { Ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, dev->name, dev); } else { printk(KERN_WARNING "sk98lin: Illegal number of ports: %d\n", pAC->GIni.GIMacsFound); return -EAGAIN; } } else { Ret = request_irq(dev->irq, SkY2Isr, SA_SHIRQ, dev->name, dev); } if (Ret) { printk(KERN_WARNING "sk98lin: Requested IRQ %d is busy.\n", dev->irq); return -EAGAIN; } #endif } pAC->AllocFlag |= SK_ALLOC_IRQ; /* ** Alloc descriptor/LETable memory for this board (both RxD/TxD) */ if (CHIP_ID_YUKON_2(pAC)) { if (!SkY2AllocateResources(pAC)) { printk("No memory for Yukon2 settings\n"); return(-EAGAIN); } } else { if(!BoardAllocMem(pAC)) { printk("No memory for descriptor rings.\n"); return(-EAGAIN); } } #ifdef SK_USE_CSUM SkCsSetReceiveFlags(pAC, SKCS_PROTO_IP | SKCS_PROTO_TCP | SKCS_PROTO_UDP, &pAC->CsOfs1, &pAC->CsOfs2, 0); pAC->CsOfs = (pAC->CsOfs2 << 16) | pAC->CsOfs1; #endif /* ** Function BoardInitMem() for Yukon dependent settings... */ 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)) { #if 0 /* Marvell - uboot */ BoardFreeMem(pAC); #else if (CHIP_ID_YUKON_2(pAC)) { SkY2FreeResources(pAC); } else { BoardFreeMem(pAC); } #endif printk("sk98lin: SkGeInitAssignRamToQueues failed.\n"); return(-EAGAIN); } /* * Register the device here */ pAC->Next = SkGeRootDev; SkGeRootDev = dev; 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 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; iGIni.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 (pAC->pDescrMem) { #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 or LETables up in memory. * The adapter is initialized with the descriptor start addresses. * * Returns: N/A */ static void BoardInitMem( SK_AC *pAC) /* pointer to adapter context */ { 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")); if (!pAC->GIni.GIYukon2) { 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; iGIni.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, &pAC->TxPort[i][0].TxdRingPrevFree, 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, &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 */ int *pRingPrevFree, /* 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; iVNextRxd = VNextDescr & 0xffffffffULL; pDescr->pNextRxd = pNextDescr; pDescr->TcpSumStarts = pAC->CsOfs; /* 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; *pRingPrevFree = 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 * */ #if 0 /* uboot */ static SkIsrRetVar SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs) #else void SkGeIsr(int irq, void *dev_id, struct pt_regs *ptregs) #endif { 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 = (DEV_NET*) dev->priv; pAC = pNet->pAC; /* * Check and process if its our interrupt */ SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc); if ((IntSrc == 0) && (!pNet->NetConsoleMode)) { return; } #ifdef CONFIG_SK98LIN_NAPI if (netif_rx_schedule_prep(dev)) { pAC->GIni.GIValIrqMask &= ~(NAPI_DRV_IRQS); SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); __netif_rx_schedule(dev); } #ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ if (IntSrc & IS_XA1_F) { CLEAR_TX_IRQ(0, TX_PRIO_LOW); } if (IntSrc & IS_XA2_F) { CLEAR_TX_IRQ(1, TX_PRIO_LOW); } #endif #else 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); CLEAR_AND_START_RX(0); 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); CLEAR_AND_START_RX(1); 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")); CLEAR_TX_IRQ(0, TX_PRIO_LOW); 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")); CLEAR_TX_IRQ(1, TX_PRIO_LOW); 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")); CLEAR_TX_IRQ(0, TX_PRIO_HIGH); 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); } if (IntSrc & IS_XS2_F) { SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_INT_SRC, ("EOF SY TX2 IRQ\n")); CLEAR_TX_IRQ(1, TX_PRIO_HIGH); 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); } #endif #endif SK_IN32(pAC->IoBase, B0_ISRC, &IntSrc); } /* while (IntSrc & IRQ_MASK != 0) */ #endif 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); } #ifndef CONFIG_SK98LIN_NAPI /* Handle interrupts */ ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); ReceiveIrq(pAC, &pAC->RxPort[1], SK_TRUE); #endif 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; } /* 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 * */ #if 0 /* uboot */ static SkIsrRetVar SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs) #else SkIsrRetVar SkGeIsrOnePort(int irq, void *dev_id, struct pt_regs *ptregs) #endif { 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 = (DEV_NET*) dev->priv; pAC = pNet->pAC; /* * Check and process if its our interrupt */ SK_IN32(pAC->IoBase, B0_SP_ISRC, &IntSrc); if ((IntSrc == 0) && (!pNet->NetConsoleMode)) { return; } #ifdef CONFIG_SK98LIN_NAPI if (netif_rx_schedule_prep(dev)) { CLEAR_AND_START_RX(0); CLEAR_TX_IRQ(0, TX_PRIO_LOW); pAC->GIni.GIValIrqMask &= ~(NAPI_DRV_IRQS); SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); __netif_rx_schedule(dev); } #ifdef USE_TX_COMPLETE /* only if tx complete interrupt used */ if (IntSrc & IS_XA1_F) { CLEAR_TX_IRQ(0, TX_PRIO_LOW); } #endif #else 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); CLEAR_AND_START_RX(0); 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")); CLEAR_TX_IRQ(0, TX_PRIO_LOW); 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")); CLEAR_TX_IRQ(0, TX_PRIO_HIGH); 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); } #endif #endif SK_IN32(pAC->IoBase, B0_ISRC, &IntSrc); } /* while (IntSrc & IRQ_MASK != 0) */ #endif 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); } #ifndef CONFIG_SK98LIN_NAPI ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE); #endif /* IRQ is processed - Enable IRQs again*/ SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); return; } /* SkGeIsrOnePort */ /**************************************************************************** * * 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 */ #if 0 /* uboot */ static int SkGeOpen( #else int SkGeOpen( #endif struct SK_NET_DEVICE *dev) /* the device that is to be opened */ { DEV_NET *pNet = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; unsigned long Flags; /* for the spin locks */ unsigned long InitFlags; /* for the spin locks */ int CurrMac; /* loop ctr for ports */ SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("SkGeOpen: pAC=0x%lX:\n", (unsigned long)pAC)); spin_lock_irqsave(&pAC->InitLock, InitFlags); #if 0 /* uboot */ if (pAC->DiagModeActive == DIAG_ACTIVE) { if (pAC->Pnmi.DiagAttached == SK_DIAG_RUNNING) { return (-1); /* still in use by diag; deny actions */ } } if (!try_module_get(THIS_MODULE)) { return (-1); /* increase of usage count not possible */ } /* Set blink mode */ if ((pAC->PciDev->vendor == 0x1186) || (pAC->PciDev->vendor == 0x11ab )) pAC->GIni.GILedBlinkCtrl = OEM_CONFIG_VALUE; #endif 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); #ifdef SK_PNMI_SUPPORT SkPnmiInit (pAC, pAC->IoBase, SK_INIT_IO); #endif 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; #ifdef Y2_RECOVERY /* mark entries invalid */ pAC->LastPort = 3; pAC->LastOpc = 0xFF; #endif } 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); #ifdef SK_PNMI_SUPPORT SkPnmiInit (pAC, pAC->IoBase, SK_INIT_RUN); #endif 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 (CurrMac=0; CurrMacGIni.GIMacsFound; CurrMac++) { if (!CHIP_ID_YUKON_2(pAC)) { /* Enable transmit descriptor polling. */ SkGePollTxD(pAC, pAC->IoBase, CurrMac, SK_TRUE); FillRxRing(pAC, &pAC->RxPort[CurrMac]); SkMacRxTxEnable(pAC, pAC->IoBase, pNet->PortNr); } } SkGeYellowLED(pAC, pAC->IoBase, 1); SkDimEnableModerationIfNeeded(pAC); if (!CHIP_ID_YUKON_2(pAC)) { /* ** Has been setup already at SkGeInit(SK_INIT_IO), ** but additional masking added for Genesis & Yukon ** chipsets -> modify it... */ pAC->GIni.GIValIrqMask &= IRQ_MASK; #ifndef USE_TX_COMPLETE pAC->GIni.GIValIrqMask &= ~(TX_COMPL_IRQS); #endif } spin_lock_irqsave(&pAC->SlowPathLock, Flags); if ((pAC->RlmtMode != 0) && (pAC->MaxPorts == 0)) { SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_SET_NETS, pAC->RlmtNets, -1, SK_FALSE); SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_MODE_CHANGE, pAC->RlmtMode, 0, SK_FALSE); } SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, pNet->NetNr, -1, SK_TRUE); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); #ifdef Y2_RECOVERY pNet->TimerExpired = SK_FALSE; pNet->InRecover = SK_FALSE; pNet->NetConsoleMode = SK_FALSE; /* Initialize the kernel timer */ #if 0 // u-boot init_timer(&pNet->KernelTimer); pNet->KernelTimer.function = SkGeHandleKernelTimer; pNet->KernelTimer.data = (unsigned long) pNet; pNet->KernelTimer.expires = jiffies + (HZ/4); /* initially 250ms */ add_timer(&pNet->KernelTimer); #endif #endif /* enable Interrupts */ SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); pAC->MaxPorts++; spin_unlock_irqrestore(&pAC->InitLock, InitFlags); 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 */ #if 0 /* uboot */ static int SkGeClose( #else int SkGeClose( #endif struct SK_NET_DEVICE *dev) /* the device that is to be closed */ { DEV_NET *pNet = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; DEV_NET *newPtrNet; unsigned long Flags; /* for the spin locks */ unsigned long InitFlags; /* for the spin locks */ int CurrMac; /* loop ctr for the current MAC */ int PortIdx; #ifdef CONFIG_SK98LIN_NAPI int WorkToDo = 1; /* min(*budget, dev->quota); */ int WorkDone = 0; #endif SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("SkGeClose: pAC=0x%lX ", (unsigned long)pAC)); spin_lock_irqsave(&pAC->InitLock, InitFlags); #ifdef Y2_RECOVERY pNet->InRecover = SK_TRUE; #if 0 /* uboot */ del_timer(&pNet->KernelTimer); #endif #endif if (pAC->DiagModeActive == DIAG_ACTIVE) { if (pAC->DiagFlowCtrl == SK_FALSE) { MOD_DEC_USE_COUNT; /* ** notify that the interface which has been closed ** by operator interaction must not be started up ** again when the DIAG has finished. */ newPtrNet = (DEV_NET *) pAC->dev[0]->priv; 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; } } netif_stop_queue(dev); if (pAC->RlmtNets == 1) PortIdx = pAC->ActivePort; else PortIdx = pNet->NetNr; /* * 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); SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, pNet->NetNr, -1, SK_TRUE); SK_OUT32(pAC->IoBase, B0_IMSK, 0); /* stop the hardware */ if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 1)) { /* RLMT check link state mode */ for (CurrMac=0; CurrMacGIni.GIMacsFound; CurrMac++) { if (CHIP_ID_YUKON_2(pAC)) SkY2PortStop( pAC, pAC->IoBase, CurrMac, SK_STOP_ALL, SK_HARD_RST); else SkGeStopPort( pAC, pAC->IoBase, CurrMac, SK_STOP_ALL, SK_HARD_RST); } /* for */ } else { /* Single link or single port */ if (CHIP_ID_YUKON_2(pAC)) SkY2PortStop( pAC, pAC->IoBase, PortIdx, SK_STOP_ALL, SK_HARD_RST); else SkGeStopPort( pAC, pAC->IoBase, PortIdx, SK_STOP_ALL, SK_HARD_RST); } spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); } else { spin_lock_irqsave(&pAC->SlowPathLock, Flags); SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, pNet->NetNr, -1, SK_FALSE); SkLocalEventQueue(pAC, SKGE_PNMI, SK_PNMI_EVT_XMAC_RESET, pNet->NetNr, -1, SK_TRUE); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); /* Stop port */ spin_lock_irqsave(&pAC->TxPort[pNet->PortNr] [TX_PRIO_LOW].TxDesRingLock, Flags); if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStop(pAC, pAC->IoBase, pNet->PortNr, SK_STOP_ALL, SK_HARD_RST); } else { 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 (CurrMac=0; CurrMacGIni.GIMacsFound; CurrMac++) { if (!CHIP_ID_YUKON_2(pAC)) { #ifdef CONFIG_SK98LIN_NAPI WorkToDo = 1; ReceiveIrq(pAC,&pAC->RxPort[CurrMac], SK_TRUE,&WorkDone,WorkToDo); #else ReceiveIrq(pAC,&pAC->RxPort[CurrMac],SK_TRUE); #endif ClearRxRing(pAC, &pAC->RxPort[CurrMac]); ClearTxRing(pAC, &pAC->TxPort[CurrMac][TX_PRIO_LOW]); } else { SkY2FreeRxBuffers(pAC, pAC->IoBase, CurrMac); SkY2FreeTxBuffers(pAC, pAC->IoBase, CurrMac); } } } else { /* clear port descriptor rings */ if (!CHIP_ID_YUKON_2(pAC)) { #ifdef CONFIG_SK98LIN_NAPI WorkToDo = 1; ReceiveIrq(pAC, &pAC->RxPort[pNet->PortNr], SK_TRUE, &WorkDone, WorkToDo); #else ReceiveIrq(pAC, &pAC->RxPort[pNet->PortNr], SK_TRUE); #endif ClearRxRing(pAC, &pAC->RxPort[pNet->PortNr]); ClearTxRing(pAC, &pAC->TxPort[pNet->PortNr][TX_PRIO_LOW]); } else { SkY2FreeRxBuffers(pAC, pAC->IoBase, pNet->PortNr); SkY2FreeTxBuffers(pAC, pAC->IoBase, pNet->PortNr); } } 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--; #ifdef Y2_RECOVERY pNet->InRecover = SK_FALSE; #endif spin_unlock_irqrestore(&pAC->InitLock, InitFlags); 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) !!! */ #if 0 static int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev) #else int SkGeXmit(struct sk_buff *skb, struct SK_NET_DEVICE *dev) #endif { DEV_NET *pNet; SK_AC *pAC; int Rc; /* return code of XmitFrame */ pNet = (DEV_NET*) dev->priv; pAC = pNet->pAC; #if 0 /* uboot */ if ((!skb_shinfo(skb)->nr_frags) || #else if(1 || #endif (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 { #if 0 /* uboot */ /* 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); #endif } /* Transmitter out of resources? */ #ifdef USE_TX_COMPLETE if (Rc <= 0) { netif_stop_queue(dev); } #endif /* If not taken, give buffer ownership back to the * queueing layer. */ if (Rc < 0) return (1); #if 0 /* uboot */ dev->trans_start = jiffies; #endif return (0); } /* SkGeXmit */ #ifdef CONFIG_SK98LIN_NAPI /***************************************************************************** * * SkGePoll - NAPI Rx polling callback for GEnesis and Yukon chipsets * * Description: * Called by the Linux system in case NAPI polling is activated * * Returns: * The number of work data still to be handled */ static int SkGePoll(struct net_device *dev, int *budget) { SK_AC *pAC = ((DEV_NET*)(dev->priv))->pAC; /* pointer to adapter context */ int WorkToDo = min(*budget, dev->quota); int WorkDone = 0; unsigned long Flags; if (pAC->dev[0] != pAC->dev[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); ReceiveIrq(pAC, &pAC->RxPort[1], SK_TRUE, &WorkDone, WorkToDo); CLEAR_AND_START_RX(1); } 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); ReceiveIrq(pAC, &pAC->RxPort[0], SK_TRUE, &WorkDone, WorkToDo); CLEAR_AND_START_RX(0); *budget -= WorkDone; dev->quota -= WorkDone; if(WorkDone < WorkToDo) { spin_lock_irqsave(&pAC->SlowPathLock, Flags); netif_rx_complete(dev); pAC->GIni.GIValIrqMask |= (NAPI_DRV_IRQS); #ifndef USE_TX_COMPLETE pAC->GIni.GIValIrqMask &= ~(TX_COMPL_IRQS); #endif /* enable interrupts again */ SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); } return (WorkDone >= WorkToDo); } /* SkGePoll */ #endif /* uboot */ unsigned long xchg(volatile int * m, unsigned long val) { unsigned int retval; retval = *m; *m = val; return retval; } #ifdef SK_POLL_CONTROLLER /***************************************************************************** * * SkGeNetPoll - Polling "interrupt" * * Description: * Polling 'interrupt' - used by things like netconsole and netdump * to send skbs without having to re-enable interrupts. * It's not called while the interrupt routine is executing. */ static void SkGeNetPoll( struct SK_NET_DEVICE *dev) { DEV_NET *pNet; SK_AC *pAC; pNet = (DEV_NET*) dev->priv; pAC = pNet->pAC; pNet->NetConsoleMode = SK_TRUE; /* Prevent any reconfiguration while handling the 'interrupt' */ SK_OUT32(pAC->IoBase, B0_IMSK, 0); if (!CHIP_ID_YUKON_2(pAC)) { /* Handle the GENESIS Isr */ if (pAC->GIni.GIMacsFound == 2) SkGeIsr(dev->irq, dev, NULL); else SkGeIsrOnePort(dev->irq, dev, NULL); } else { /* Handle the Yukon2 Isr */ SkY2Isr(dev->irq, dev, NULL); } } #endif /***************************************************************************** * * 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; #if 0 /* uboot */ int Protocol; int IpHeaderLength; #endif 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 if ((pTxPort->TxdRingPrevFree - pTxPort->TxdRingFree) > 6) { FreeTxDescriptors(pAC, pTxPort); pTxPort->TxdRingPrevFree = pTxPort->TxdRingFree; } #endif if (pTxPort->TxdRingFree == 0) { /* ** not 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 0 /* uboot*/ /* ** 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 ((pMessage = skb_padto(pMessage, C_LEN_ETHERNET_MINSIZE)) == NULL) { spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); return 0; } pMessage->len = C_LEN_ETHERNET_MINSIZE; } #endif /* ** 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. */ #if 0 /* uboot */ PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, virt_to_page(pMessage->data), ((unsigned long) pMessage->data & ~PAGE_MASK), pMessage->len, PCI_DMA_TODEVICE); #else PhysAddr = (SK_U64)(SK_U32)pMessage->data; #endif pTxd->VDataLow = (SK_U32) (PhysAddr & 0xffffffff); pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32); pTxd->pMBuf = pMessage; #if 0 /* uboot */ if (pMessage->ip_summed == CHECKSUM_HW) { Protocol = ((SK_U8)pMessage->data[C_OFFSET_IPPROTO] & 0xff); if ((Protocol == C_PROTO_ID_UDP) && (pAC->GIni.GIChipRev == 0) && (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { pTxd->TBControl = BMU_TCP_CHECK; } else { pTxd->TBControl = BMU_UDP_CHECK; } IpHeaderLength = (SK_U8)pMessage->data[C_OFFSET_IPHEADER]; IpHeaderLength = (IpHeaderLength & 0xf) * 4; pTxd->TcpSumOfs = 0; /* PH-Checksum already calculated */ pTxd->TcpSumSt = C_LEN_ETHERMAC_HEADER + IpHeaderLength + (Protocol == C_PROTO_ID_UDP ? C_OFFSET_UDPHEADER_UDPCS : C_OFFSET_TCPHEADER_TCPCS); pTxd->TcpSumWr = C_LEN_ETHERMAC_HEADER + IpHeaderLength; pTxd->TBControl |= BMU_OWN | BMU_STF | BMU_SW | BMU_EOF | #ifdef USE_TX_COMPLETE BMU_IRQ_EOF | #endif pMessage->len; } else #endif { 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 */ /* uboot */ pOldTxd = (TXD *)xchg((int *)&pTxPort->pTxdRingPrev, (unsigned int)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) */ #if 0 /* uboot */ 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; int IpHeaderLength; int Protocol; skb_frag_t *sk_frag; SK_U64 PhysAddr; unsigned long Flags; 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; Protocol = 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_HW) { pTxd->TBControl = BMU_STF | BMU_STFWD | skb_headlen(pMessage); /* ** We have to use the opcode for tcp here, because the ** opcode for udp is not working in the hardware yet ** (Revision 2.0) */ Protocol = ((SK_U8)pMessage->data[C_OFFSET_IPPROTO] & 0xff); if ((Protocol == C_PROTO_ID_UDP) && (pAC->GIni.GIChipRev == 0) && (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { pTxd->TBControl |= BMU_TCP_CHECK; } else { pTxd->TBControl |= BMU_UDP_CHECK; } IpHeaderLength = ((SK_U8)pMessage->data[C_OFFSET_IPHEADER] & 0xf)*4; pTxd->TcpSumOfs = 0; /* PH-Checksum already claculated */ pTxd->TcpSumSt = C_LEN_ETHERMAC_HEADER + IpHeaderLength + (Protocol == C_PROTO_ID_UDP ? C_OFFSET_UDPHEADER_UDPCS : C_OFFSET_TCPHEADER_TCPCS); pTxd->TcpSumWr = C_LEN_ETHERMAC_HEADER + IpHeaderLength; } else { pTxd->TBControl = BMU_CHECK | BMU_SW | BMU_STF | 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; /* ** Does the HW need to evaluate checksum for TCP or UDP packets? */ if (pMessage->ip_summed == CHECKSUM_HW) { pTxd->TBControl = BMU_OWN | BMU_SW | 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 ((Protocol == C_PROTO_ID_UDP) && (pAC->GIni.GIChipRev == 0) && (pAC->GIni.GIChipId == CHIP_ID_YUKON)) { pTxd->TBControl |= BMU_TCP_CHECK; } else { pTxd->TBControl |= BMU_UDP_CHECK; } } else { pTxd->TBControl = BMU_CHECK | BMU_SW | BMU_OWN; } /* ** 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 | sk_frag->size; #else pTxd->TBControl |= BMU_EOF | sk_frag->size; #endif pTxdFst->TBControl |= BMU_OWN | BMU_SW; } else { pTxd->TBControl |= sk_frag->size; } 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); } } #endif /***************************************************************************** * * 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(pRxPort->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 = pRxPort->RxBufSize; #if 0 /* uboot */ PhysAddr = (SK_U64) pci_map_page(pAC->PciDev, virt_to_page(pMsgBlock->data), ((unsigned long) pMsgBlock->data & ~PAGE_MASK), pRxPort->RxBufSize - 2, PCI_DMA_FROMDEVICE); #else PhysAddr = (SK_U64)(SK_U32)pMsgBlock->data; #endif 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 = pRxPort->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 */ #if 0 /* uboot */ static void ReceiveIrq( #else void ReceiveIrq( #endif #ifdef CONFIG_SK98LIN_NAPI SK_AC *pAC, /* pointer to adapter context */ RX_PORT *pRxPort, /* pointer to receive port struct */ SK_BOOL SlowPathLock, /* indicates if SlowPathLock is needed */ int *WorkDone, int WorkToDo) #else SK_AC *pAC, /* pointer to adapter context */ RX_PORT *pRxPort, /* pointer to receive port struct */ SK_BOOL SlowPathLock) /* indicates if SlowPathLock is needed */ #endif { RXD *pRxd; /* pointer to receive descriptors */ struct sk_buff *pMsg; /* pointer to message holding frame */ struct sk_buff *pNewMsg; /* pointer to new message for frame copy */ SK_MBUF *pRlmtMbuf; /* ptr to buffer for giving frame to RLMT */ SK_EVPARA EvPara; /* an event parameter union */ SK_U32 Control; /* control field of descriptor */ unsigned long Flags; /* for spin lock handling */ int PortIndex = pRxPort->PortIndex; int FrameLength; /* total length of received frame */ int IpFrameLength; /* IP length of the received frame */ unsigned int Offset; unsigned int NumBytes; unsigned int RlmtNotifier; SK_BOOL IsBc; /* we received a broadcast packet */ SK_BOOL IsMc; /* we received a multicast packet */ SK_BOOL IsBadFrame; /* the frame received is bad! */ SK_U32 FrameStat; unsigned short Csum1; unsigned short Csum2; unsigned short Type; #if 0 /* uboot */ int Result; #endif 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; #ifdef CONFIG_SK98LIN_NAPI if (*WorkDone >= WorkToDo) { break; } (*WorkDone)++; #endif /* 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; } /* get length of frame and check it */ FrameLength = Control & BMU_BBC; if (FrameLength > pRxPort->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)); PhysAddr = ((SK_U64) pRxd->VDataHigh) << (SK_U64)32; PhysAddr |= (SK_U64) pRxd->VDataLow; pci_dma_sync_single(pAC->PciDev, (dma_addr_t) PhysAddr, FrameLength, PCI_DMA_FROMDEVICE); 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(pAC->PciDev, (dma_addr_t) PhysAddr, FrameLength, PCI_DMA_FROMDEVICE); eth_copy_and_sum(pNewMsg, pMsg->data, FrameLength, 0); 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, pRxPort->RxBufSize - 2, PCI_DMA_FROMDEVICE); skb_put(pMsg, FrameLength); /* set message len */ #if 0 /* uboot */ pMsg->ip_summed = CHECKSUM_NONE; /* initial default */ #endif if (pRxPort->UseRxCsum) { Type = ntohs(*((short*)&pMsg->data[12])); if (Type == 0x800) { IpFrameLength = (int) ntohs((unsigned short) ((unsigned short *) pMsg->data)[8]); if ((FrameLength - IpFrameLength) == 0xe) { Csum1=le16_to_cpu(pRxd->TcpSums & 0xffff); Csum2=le16_to_cpu((pRxd->TcpSums >> 16) & 0xffff); #if 0 /* uboot */ if ((((Csum1 & 0xfffe) && (Csum2 & 0xfffe)) && (pAC->GIni.GIChipId == CHIP_ID_GENESIS)) || (pAC->ChipsetType)) { Result = SkCsGetReceiveInfo(pAC, &pMsg->data[14], Csum1, Csum2, PortIndex); if ((Result == SKCS_STATUS_IP_FRAGMENT) || (Result == SKCS_STATUS_IP_CSUM_OK) || (Result == SKCS_STATUS_TCP_CSUM_OK) || (Result == SKCS_STATUS_UDP_CSUM_OK)) { pMsg->ip_summed = CHECKSUM_UNNECESSARY; } else if ((Result == SKCS_STATUS_TCP_CSUM_ERROR) || (Result == SKCS_STATUS_UDP_CSUM_ERROR) || (Result == SKCS_STATUS_IP_CSUM_ERROR_UDP) || (Result == SKCS_STATUS_IP_CSUM_ERROR_TCP) || (Result == SKCS_STATUS_IP_CSUM_ERROR)) { /* HW Checksum error */ SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_RX_PROGRESS, ("skge: CRC error. Frame dropped!\n")); goto rx_failed; } else { pMsg->ip_summed = CHECKSUM_NONE; } }/* checksumControl calculation valid */ #endif } /* Frame length check */ } /* IP frame */ } /* pRxPort->UseRxCsum */ } /* frame > SK_COPY_TRESHOLD */ SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("V")); RlmtNotifier = SK_RLMT_RX_PROTOCOL; SK_RLMT_PRE_LOOKAHEAD(pAC, PortIndex, FrameLength, IsBc, &Offset, &NumBytes); if (NumBytes != 0) { SK_RLMT_LOOKAHEAD(pAC,PortIndex,&pMsg->data[Offset], IsBc,IsMc,&RlmtNotifier); } if (RlmtNotifier == 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)) { SK_DBG_MSG(NULL, SK_DBGMOD_DRV, 1,("U")); #ifdef xDEBUG DumpMsg(pMsg, "Rx"); #endif #if 0 /* uboot */ SK_PNMI_CNT_RX_OCTETS_DELIVERED(pAC,FrameLength,PortIndex); pMsg->dev = pAC->dev[PortIndex]; pMsg->protocol = eth_type_trans(pMsg,pAC->dev[PortIndex]); netif_rx(pMsg); /* frame for upper layer */ pAC->dev[PortIndex]->last_rx = jiffies; #else NetReceive(pMsg->data, pMsg->len); dev_kfree_skb_any(pMsg); #endif } else { SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_RX_PROGRESS,("D")); DEV_KFREE_SKB(pMsg); /* drop frame */ } } else { /* packet for RLMT stack */ 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 0 /* uboot */ if ((pAC->dev[PortIndex]->flags & (IFF_PROMISC | IFF_ALLMULTI)) || (RlmtNotifier & SK_RLMT_RX_PROTOCOL)) { pMsg->dev = pAC->dev[PortIndex]; pMsg->protocol = eth_type_trans(pMsg,pAC->dev[PortIndex]); netif_rx(pMsg); pAC->dev[PortIndex]->last_rx = jiffies; #else if (0) { #endif } else { DEV_KFREE_SKB(pMsg); } } /* if packet for RLMT stack */ } /* for ... scanning the RXD ring */ /* RXD ring is empty -> fill and restart */ FillRxRing(pAC, pRxPort); 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, pRxPort->RxBufSize - 2, PCI_DMA_FROMDEVICE); DEV_KFREE_SKB_IRQ(pRxd->pMBuf); pRxd->pMBuf = NULL; pRxPort->RxdRingFree++; pRxPort->pRxdRingHead = pRxd->pNextRxd; goto rx_start; } /* ReceiveIrq */ /***************************************************************************** * * 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, pRxPort->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; iTxDescrPerRing; i++) { pTxd->TBControl &= ~BMU_OWN; pTxd = pTxd->pNextTxd; } FreeTxDescriptors(pAC, pTxPort); spin_unlock_irqrestore(&pTxPort->TxDesRingLock, Flags); } /* ClearTxRing */ #if 0 /* uboot */ /***************************************************************************** * * 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 = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; int Ret; struct sockaddr *addr = p; unsigned long Flags; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("SkGeSetMacAddr starts now...\n")); memcpy(dev->dev_addr, addr->sa_data,dev->addr_len); spin_lock_irqsave(&pAC->SlowPathLock, Flags); if (pAC->RlmtNets == 2) Ret = SkAddrOverride(pAC, pAC->IoBase, pNet->NetNr, (SK_MAC_ADDR*)dev->dev_addr, SK_ADDR_VIRTUAL_ADDRESS); else Ret = SkAddrOverride(pAC, pAC->IoBase, pAC->ActivePort, (SK_MAC_ADDR*)dev->dev_addr, SK_ADDR_VIRTUAL_ADDRESS); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); if (Ret != SK_ADDR_OVERRIDE_SUCCESS) return -EBUSY; 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 = (DEV_NET*) dev->priv; 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; imc_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 */ /***************************************************************************** * * SkSetMtuBufferSize - set the MTU buffer to another value * * Description: * This function sets the new buffers and is called whenever the MTU * size is changed * * Returns: * N/A */ static void SkSetMtuBufferSize( SK_AC *pAC, /* pointer to adapter context */ int PortNr, /* Port number */ int Mtu) /* pointer to tx prt struct */ { pAC->RxPort[PortNr].RxBufSize = Mtu + 32; /* RxBufSize must be a multiple of 8 */ while (pAC->RxPort[PortNr].RxBufSize % 8) { pAC->RxPort[PortNr].RxBufSize = pAC->RxPort[PortNr].RxBufSize + 1; } if (Mtu > 1500) { pAC->GIni.GP[PortNr].PPortUsage = SK_JUMBO_LINK; } else { if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { pAC->GIni.GP[PortNr].PPortUsage = SK_MUL_LINK; } else { pAC->GIni.GP[PortNr].PPortUsage = SK_RED_LINK; } } return; } /***************************************************************************** * * 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; SK_AC *pAC; unsigned long Flags; #ifdef CONFIG_SK98LIN_NAPI int WorkToDo = 1; // min(*budget, dev->quota); int WorkDone = 0; #endif SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("SkGeChangeMtu starts now...\n")); pNet = (DEV_NET*) dev->priv; pAC = pNet->pAC; /* MTU size outside the spec */ if ((NewMtu < 68) || (NewMtu > SK_JUMBO_MTU)) { return -EINVAL; } /* MTU > 1500 on yukon ulra not allowed */ if ((pAC->GIni.GIChipId == CHIP_ID_YUKON_EC_U) && (NewMtu > 1500)){ return -EINVAL; } /* Diag access active */ 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; } } dev->mtu = NewMtu; SkSetMtuBufferSize(pAC, pNet->PortNr, NewMtu); if(!netif_running(dev)) { /* Preset MTU size if device not ready/running */ return 0; } /* 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 the port has to be stopped */ netif_stop_queue(dev); SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_STOP, pNet->PortNr, -1, SK_TRUE); spin_lock(&pAC->TxPort[pNet->PortNr][TX_PRIO_LOW].TxDesRingLock); /* Change RxFillLimit to 1 */ if ((pAC->GIni.GIMacsFound == 2 ) && (pAC->RlmtNets == 2)) { pAC->RxPort[pNet->PortNr].RxFillLimit = 1; } else { pAC->RxPort[1 - pNet->PortNr].RxFillLimit = 1; pAC->RxPort[pNet->PortNr].RxFillLimit = pAC->RxDescrPerRing - (pAC->RxDescrPerRing / 4); } /* clear and reinit the rx rings here, because of new MTU size */ if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStop(pAC, pAC->IoBase, pNet->PortNr, SK_STOP_ALL, SK_SOFT_RST); SkY2AllocateRxBuffers(pAC, pAC->IoBase, pNet->PortNr); SkY2PortStart(pAC, pAC->IoBase, pNet->PortNr); } else { // SkGeStopPort(pAC, pAC->IoBase, pNet->PortNr, SK_STOP_ALL, SK_SOFT_RST); #ifdef CONFIG_SK98LIN_NAPI WorkToDo = 1; ReceiveIrq(pAC, &pAC->RxPort[pNet->PortNr], SK_TRUE, &WorkDone, WorkToDo); #else ReceiveIrq(pAC, &pAC->RxPort[pNet->PortNr], SK_TRUE); #endif ClearRxRing(pAC, &pAC->RxPort[pNet->PortNr]); FillRxRing(pAC, &pAC->RxPort[pNet->PortNr]); /* Enable transmit descriptor polling */ SkGePollTxD(pAC, pAC->IoBase, pNet->PortNr, SK_TRUE); FillRxRing(pAC, &pAC->RxPort[pNet->PortNr]); } netif_start_queue(pAC->dev[pNet->PortNr]); spin_unlock(&pAC->TxPort[pNet->PortNr][TX_PRIO_LOW].TxDesRingLock); /* Notify RLMT about the changing and restarting one (or more) ports */ SkLocalEventQueue(pAC, SKGE_RLMT, SK_RLMT_START, pNet->PortNr, -1, SK_TRUE); /* Enable Interrupts again */ SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); return 0; } /***************************************************************************** * * 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 = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; unsigned long LateCollisions, ExcessiveCollisions, RxTooLong; unsigned long Flags; /* for spin lock */ SK_U32 MaxNumOidEntries, Oid, Len; char Buf[8]; struct { SK_U32 Oid; unsigned long *pVar; } Vars[] = { { OID_SKGE_STAT_TX_LATE_COL, &LateCollisions }, { OID_SKGE_STAT_TX_EXCESS_COL, &ExcessiveCollisions }, { OID_SKGE_STAT_RX_TOO_LONG, &RxTooLong }, { OID_SKGE_STAT_RX, &pAC->stats.rx_packets }, { OID_SKGE_STAT_TX, &pAC->stats.tx_packets }, { OID_SKGE_STAT_RX_OCTETS, &pAC->stats.rx_bytes }, { OID_SKGE_STAT_TX_OCTETS, &pAC->stats.tx_bytes }, { OID_SKGE_RX_NO_BUF_CTS, &pAC->stats.rx_dropped }, { OID_SKGE_TX_NO_BUF_CTS, &pAC->stats.tx_dropped }, { OID_SKGE_STAT_RX_MULTICAST, &pAC->stats.multicast }, { OID_SKGE_STAT_RX_RUNT, &pAC->stats.rx_length_errors }, { OID_SKGE_STAT_RX_FCS, &pAC->stats.rx_crc_errors }, { OID_SKGE_STAT_RX_FRAMING, &pAC->stats.rx_frame_errors }, { OID_SKGE_STAT_RX_OVERFLOW, &pAC->stats.rx_over_errors }, { OID_SKGE_STAT_RX_MISSED, &pAC->stats.rx_missed_errors }, { OID_SKGE_STAT_TX_CARRIER, &pAC->stats.tx_carrier_errors }, { OID_SKGE_STAT_TX_UNDERRUN, &pAC->stats.tx_fifo_errors }, }; if ((pAC->DiagModeActive == DIAG_NOTACTIVE) && (pAC->BoardLevel == SK_INIT_RUN)) { memset(&pAC->stats, 0x00, sizeof(pAC->stats)); /* clean first */ spin_lock_irqsave(&pAC->SlowPathLock, Flags); MaxNumOidEntries = sizeof(Vars) / sizeof(Vars[0]); for (Oid = 0; Oid < MaxNumOidEntries; Oid++) { if (SkPnmiGetVar(pAC,pAC->IoBase, Vars[Oid].Oid, &Buf, &Len, 1, pNet->NetNr) != SK_PNMI_ERR_OK) { memset(Buf, 0x00, sizeof(Buf)); } *Vars[Oid].pVar = (unsigned long) (*((SK_U64 *) Buf)); } spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); pAC->stats.collisions = LateCollisions + ExcessiveCollisions; pAC->stats.tx_errors = pAC->stats.tx_carrier_errors + pAC->stats.tx_fifo_errors; pAC->stats.rx_errors = pAC->stats.rx_length_errors + pAC->stats.rx_crc_errors + pAC->stats.rx_frame_errors + pAC->stats.rx_over_errors + pAC->stats.rx_missed_errors; if (dev->mtu > 1500) { pAC->stats.rx_errors = pAC->stats.rx_errors - RxTooLong; } } return(&pAC->stats); } /* SkGeStats */ /***************************************************************************** * * 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 (usefull for SysKonnect-internal tools). * * Returns: * 0, if everything is ok * !=0, on error */ static int SkGeIoctl( struct SK_NET_DEVICE *dev, /* the device the IOCTL is to be performed on */ struct ifreq *rq, /* additional request structure containing data */ int cmd) /* requested IOCTL command number */ { DEV_NET *pNet = (DEV_NET*) dev->priv; SK_AC *pAC = pNet->pAC; struct pci_dev *pdev = NULL; void *pMemBuf; SK_GE_IOCTL Ioctl; unsigned long Flags; /* for spin lock */ unsigned int Err = 0; unsigned int Length = 0; int HeaderLength = sizeof(SK_U32) + sizeof(SK_U32); int Size = 0; int Ret = 0; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("SkGeIoctl starts now...\n")); if(copy_from_user(&Ioctl, rq->ifr_data, sizeof(SK_GE_IOCTL))) { return -EFAULT; } switch(cmd) { case SIOCETHTOOL: return SkEthIoctl(dev, rq); case SK_IOCTL_SETMIB: /* FALL THRU */ case SK_IOCTL_PRESETMIB: /* FALL THRU (if capable!) */ if (!capable(CAP_NET_ADMIN)) return -EPERM; case SK_IOCTL_GETMIB: if(copy_from_user(&pAC->PnmiStruct, Ioctl.pData, Ioctl.LenPnmiStruct)? Ioctl.Len : sizeof(pAC->PnmiStruct))) { return -EFAULT; } Size = SkGeIocMib(pNet, Ioctl.Len, cmd); if(copy_to_user(Ioctl.pData, &pAC->PnmiStruct, Ioctl.Lenifr_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; } spin_lock_irqsave(&pAC->SlowPathLock, Flags); 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: spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); kfree(pMemBuf); /* cleanup everything */ break; 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; 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 */ { SK_AC *pAC = pNet->pAC; unsigned long Flags; /* for spin lock */ SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ENTRY, ("SkGeIocMib starts now...\n")); /* 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 */ #endif /***************************************************************************** * * 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 */ int IrqModMaskOffset = 6; /* all ints moderated=default */ 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} }; SK_U32 IrqModMask[7][2] = { { IRQ_MASK_RX_ONLY , Y2_DRIVER_IRQS }, { IRQ_MASK_TX_ONLY , Y2_DRIVER_IRQS }, { IRQ_MASK_SP_ONLY , Y2_SPECIAL_IRQS }, { IRQ_MASK_SP_RX , Y2_IRQ_MASK }, { IRQ_MASK_TX_RX , Y2_DRIVER_IRQS }, { IRQ_MASK_SP_TX , Y2_IRQ_MASK }, { IRQ_MASK_RX_TX_SP, Y2_IRQ_MASK } }; #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 ** 1000FD Full Off None 1000 ** 100FD Full Off None 100 ** 100HD Half Off None 100 ** 10FD Full Off None 10 ** 10HD Half Off None 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 ((pAC->GIni.GICopperType != SK_TRUE) && (strcmp(ConType[pAC->Index],"1000FD") != 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],"1000FD")==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_1000MBPS; } } 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->IndexIndex] != 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) { #if 0 /* uboot */ if ((pAC->PciDev->vendor == 0x11ab ) && (pAC->PciDev->device == 0x4350)) { LinkSpeed = SK_LSPEED_100MBPS; printk("sk98lin: Illegal value \"%s\" for Speed_A.\n" "Gigabit speed not possible with this chip revision!", Speed_A[pAC->Index]); } else #endif { LinkSpeed = SK_LSPEED_1000MBPS; } } else { printk("sk98lin: Illegal value \"%s\" for Speed_A\n", Speed_A[pAC->Index]); IsLinkSpeedDefined = SK_FALSE; } } else { #if 0 /* uboot */ if ((pAC->PciDev->vendor == 0x11ab ) && (pAC->PciDev->device == 0x4350)) { /* Gigabit speed not supported * Swith to speed 100 */ LinkSpeed = SK_LSPEED_100MBPS; } else #endif { 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->IndexIndex] != 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->IndexIndex] != 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) { 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->IndexIndex] != 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->IndexIndex] != 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->IndexIndex] != 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->IndexIndex] != 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->IndexIndex] != 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) { 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->IndexIndex] != 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->IndexIndex] != 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->IndexIndex] != 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; pAC->RlmtMode = 0; if (RlmtMode != NULL && pAC->IndexIndex] != NULL) { if (strcmp(RlmtMode[pAC->Index], "") == 0) { if (pAC->GIni.GIMacsFound == 2) { pAC->RlmtMode = SK_RLMT_CHECK_LINK; pAC->RlmtNets = 2; } } 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 { if (pAC->GIni.GIMacsFound == 2) { pAC->RlmtMode = SK_RLMT_CHECK_LINK; pAC->RlmtNets = 2; } } #ifdef SK_YUKON2 /* ** use dualnet config per default * pAC->RlmtMode = SK_RLMT_CHECK_LINK; pAC->RlmtNets = 2; */ #endif /* ** Check the LowLatance parameters */ pAC->LowLatency = SK_FALSE; if (LowLatency[pAC->Index] != NULL) { if (strcmp(LowLatency[pAC->Index], "On") == 0) { pAC->LowLatency = SK_TRUE; } } /* ** Check the interrupt moderation parameters */ pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_NONE; 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]); } } else { /* Set interrupt moderation if wished */ #ifdef CONFIG_SK98LIN_STATINT pAC->DynIrqModInfo.IntModTypeSelect = C_INT_MOD_STATIC; #endif } if (ModerationMask[pAC->Index] != NULL) { if (strcmp(ModerationMask[pAC->Index], "Rx") == 0) { IrqModMaskOffset = 0; } else if (strcmp(ModerationMask[pAC->Index], "Tx") == 0) { IrqModMaskOffset = 1; } else if (strcmp(ModerationMask[pAC->Index], "Sp") == 0) { IrqModMaskOffset = 2; } else if (strcmp(ModerationMask[pAC->Index], "RxSp") == 0) { IrqModMaskOffset = 3; } else if (strcmp(ModerationMask[pAC->Index], "SpRx") == 0) { IrqModMaskOffset = 3; } else if (strcmp(ModerationMask[pAC->Index], "RxTx") == 0) { IrqModMaskOffset = 4; } else if (strcmp(ModerationMask[pAC->Index], "TxRx") == 0) { IrqModMaskOffset = 4; } else if (strcmp(ModerationMask[pAC->Index], "TxSp") == 0) { IrqModMaskOffset = 5; } else if (strcmp(ModerationMask[pAC->Index], "SpTx") == 0) { IrqModMaskOffset = 5; } else { /* some rubbish stated */ // IrqModMaskOffset = 6; ->has been initialized // already at the begin of this function... } } if (!CHIP_ID_YUKON_2(pAC)) { pAC->DynIrqModInfo.MaskIrqModeration = IrqModMask[IrqModMaskOffset][0]; } else { pAC->DynIrqModInfo.MaskIrqModeration = IrqModMask[IrqModMaskOffset][1]; } if (!CHIP_ID_YUKON_2(pAC)) { pAC->DynIrqModInfo.MaxModIntsPerSec = C_INTS_PER_SEC_DEFAULT; } else { pAC->DynIrqModInfo.MaxModIntsPerSec = C_Y2_INTS_PER_SEC_DEFAULT; } 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, pAC->DynIrqModInfo.MaxModIntsPerSec); } else { pAC->DynIrqModInfo.MaxModIntsPerSec = IntsPerSec[pAC->Index]; } } /* ** Evaluate upper and lower moderation threshold */ pAC->DynIrqModInfo.MaxModIntsPerSecUpperLimit = pAC->DynIrqModInfo.MaxModIntsPerSec + (pAC->DynIrqModInfo.MaxModIntsPerSec / 5); pAC->DynIrqModInfo.MaxModIntsPerSecLowerLimit = pAC->DynIrqModInfo.MaxModIntsPerSec - (pAC->DynIrqModInfo.MaxModIntsPerSec / 5); pAC->DynIrqModInfo.DynIrqModSampleInterval = SK_DRV_MODERATION_TIMER_LENGTH; } /* GetConfiguration */ #if 0 /* uboot */ /***************************************************************************** * * 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 void ProductStr(SK_AC *pAC) { char Default[] = "Generic Marvell Yukon chipset Ethernet device"; char Key[] = VPD_NAME; /* VPD productname key */ int StrLen = 80; /* stringlen */ unsigned long Flags; spin_lock_irqsave(&pAC->SlowPathLock, Flags); if (VpdRead(pAC, pAC->IoBase, Key, pAC->DeviceStr, &StrLen)) { SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_ERROR, ("Error reading VPD data: %d\n", ReturnCode)); strcpy(pAC->DeviceStr, Default); } spin_unlock_irqrestore(&pAC->SlowPathLock, Flags); } /* ProductStr */ #endif /****************************************************************************/ /* 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) { #if 0 /* uboot */ SK_U64 PrivateJiffies; SkOsGetTimeCurrent(pAC, &PrivateJiffies); return PrivateJiffies; #else return (get_timer(0)/(CFG_TCLK/1000)); #endif } /* 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 */ /***************************************************************************** * * SkPciWriteCfgDWord - write a 32 bit value to pci config space * * Description: * This routine writes a 32 bit value to the pci configuration * space. * * Returns: * 0 - indicate everything worked ok. * != 0 - error indication */ int SkPciWriteCfgDWord( SK_AC *pAC, /* Adapter Control structure pointer */ int PciAddr, /* PCI register address */ SK_U32 Val) /* pointer to store the read value */ { pci_write_config_dword(pAC->PciDev, PciAddr, Val); return(0); } /* SkPciWriteCfgDWord */ /***************************************************************************** * * SkPciWriteCfgWord - write a 16 bit value to pci config space * * Description: * 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 control 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 */ SK_BOOL DualNet; SK_U32 Reason; unsigned long Flags; unsigned long InitFlags; int FromPort; /* the port from which we switch away */ int ToPort; /* the port we switch to */ int Stat; DEV_NET *pNet = NULL; #ifdef CONFIG_SK98LIN_NAPI int WorkToDo = 1; /* min(*budget, dev->quota); */ int WorkDone = 0; #endif switch (Event) { 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); } break; case SK_DRV_PORT_RESET: FromPort = Param.Para32[0]; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, ("PORT RESET EVENT, Port: %d ", FromPort)); SkLocalEventQueue64(pAC, SKGE_PNMI, SK_PNMI_EVT_XMAC_RESET, FromPort, SK_FALSE); spin_lock_irqsave( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStop(pAC, IoC, FromPort, SK_STOP_ALL, SK_HARD_RST); } else { SkGeStopPort(pAC, IoC, FromPort, SK_STOP_ALL, SK_HARD_RST); } #if 0 /* uboot */ pAC->dev[Param.Para32[0]]->flags &= ~IFF_RUNNING; #endif spin_unlock_irqrestore( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); if (!CHIP_ID_YUKON_2(pAC)) { #ifdef CONFIG_SK98LIN_NAPI WorkToDo = 1; ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE, &WorkDone, WorkToDo); #else ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); #endif ClearTxRing(pAC, &pAC->TxPort[FromPort][TX_PRIO_LOW]); } spin_lock_irqsave( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); #ifdef USE_TIST_FOR_RESET if (pAC->GIni.GIYukon2) { #ifdef Y2_RECOVERY /* for Yukon II we want to have tist enabled all the time */ if (!SK_ADAPTER_WAITING_FOR_TIST(pAC)) { Y2_ENABLE_TIST(pAC->IoBase); } #else /* make sure that we do not accept any status LEs from now on */ if (SK_ADAPTER_WAITING_FOR_TIST(pAC)) { #endif /* port already waiting for tist */ SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DUMP, ("Port %c is now waiting for specific Tist\n", 'A' + FromPort)); SK_SET_WAIT_BIT_FOR_PORT( pAC, SK_PSTATE_WAITING_FOR_SPECIFIC_TIST, FromPort); /* get current timestamp */ Y2_GET_TIST_LOW_VAL(pAC->IoBase, &pAC->MinTistLo); pAC->MinTistHi = pAC->GIni.GITimeStampCnt; #ifndef Y2_RECOVERY } else { /* nobody is waiting yet */ SK_SET_WAIT_BIT_FOR_PORT( pAC, SK_PSTATE_WAITING_FOR_ANY_TIST, FromPort); SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DUMP, ("Port %c is now waiting for any Tist (0x%X)\n", 'A' + FromPort, pAC->AdapterResetState)); /* start tist */ Y2_ENABLE_TIST(pAC-IoBase); } #endif } #endif #ifdef Y2_LE_CHECK /* mark entries invalid */ pAC->LastPort = 3; pAC->LastOpc = 0xFF; #endif if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStart(pAC, IoC, FromPort); } else { /* 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); CLEAR_AND_START_RX(FromPort); } spin_unlock_irqrestore( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); break; case SK_DRV_NET_UP: spin_lock_irqsave(&pAC->InitLock, InitFlags); FromPort = Param.Para32[0]; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, ("NET UP EVENT, Port: %d ", FromPort)); SkAddrMcUpdate(pAC,IoC, FromPort); /* Mac update */ if (DoPrintInterfaceChange) { printk("%s: network connection up using port %c\n", pAC->dev[FromPort]->name, 'A'+FromPort); /* 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 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"); } #ifdef NETIF_F_TSO if (CHIP_ID_YUKON_2(pAC)) { if (pAC->dev[FromPort]->features & NETIF_F_TSO) { printk(" tcp offload: enabled\n"); } else { printk(" tcp offload: disabled\n"); } } #endif #if 0 /* uboot */ if (pAC->dev[FromPort]->features & NETIF_F_SG) { printk(" scatter-gather: enabled\n"); } else { printk(" scatter-gather: disabled\n"); } if (pAC->dev[FromPort]->features & NETIF_F_IP_CSUM) { printk(" tx-checksum: enabled\n"); } else { printk(" tx-checksum: disabled\n"); } if (pAC->RxPort[FromPort].UseRxCsum) { printk(" rx-checksum: enabled\n"); } else { printk(" rx-checksum: disabled\n"); } #ifdef CONFIG_SK98LIN_NAPI printk(" rx-polling: enabled\n"); #endif #endif if (pAC->LowLatency) { printk(" low latency: enabled\n"); } } else { DoPrintInterfaceChange = SK_TRUE; } if ((FromPort != pAC->ActivePort)&&(pAC->RlmtNets == 1)) { SkLocalEventQueue(pAC, SKGE_DRV, SK_DRV_SWITCH_INTERN, pAC->ActivePort, FromPort, SK_FALSE); } /* Inform the world that link protocol is up. */ netif_wake_queue(pAC->dev[FromPort]); #if 0 //u-boot netif_carrier_on(pAC->dev[FromPort]); pAC->dev[FromPort]->flags |= IFF_RUNNING; #endif spin_unlock_irqrestore(&pAC->InitLock, InitFlags); break; case SK_DRV_NET_DOWN: Reason = Param.Para32[0]; FromPort = Param.Para32[1]; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, ("NET DOWN EVENT ")); #if 0 //u-boot /* Stop queue and carrier */ netif_stop_queue(pAC->dev[FromPort]); netif_carrier_off(pAC->dev[FromPort]); #endif /* Print link change */ if (DoPrintInterfaceChange) { #if 0 /* uboot */ if (pAC->dev[FromPort]->flags & IFF_RUNNING) { printk("%s: network connection down\n", pAC->dev[FromPort]->name); } #endif } else { DoPrintInterfaceChange = SK_TRUE; } #if 0 /* uboot */ pAC->dev[FromPort]->flags &= ~IFF_RUNNING; #endif break; case SK_DRV_SWITCH_HARD: /* FALL THRU */ case SK_DRV_SWITCH_SOFT: /* FALL THRU */ case SK_DRV_SWITCH_INTERN: FromPort = Param.Para32[0]; ToPort = Param.Para32[1]; printk("%s: switching from port %c to port %c\n", pAC->dev[0]->name, 'A'+FromPort, 'A'+ToPort); 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)); SkLocalEventQueue64(pAC, SKGE_PNMI, SK_PNMI_EVT_XMAC_RESET, FromPort, SK_FALSE); SkLocalEventQueue64(pAC, SKGE_PNMI, SK_PNMI_EVT_XMAC_RESET, ToPort, SK_FALSE); spin_lock_irqsave( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); spin_lock(&pAC->TxPort[ToPort][TX_PRIO_LOW].TxDesRingLock); if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStop(pAC, IoC, FromPort, SK_STOP_ALL, SK_SOFT_RST); SkY2PortStop(pAC, IoC, ToPort, SK_STOP_ALL, SK_SOFT_RST); } else { 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); if (!CHIP_ID_YUKON_2(pAC)) { #ifdef CONFIG_SK98LIN_NAPI WorkToDo = 1; ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE, &WorkDone, WorkToDo); ReceiveIrq(pAC, &pAC->RxPort[ToPort], SK_FALSE, &WorkDone, WorkToDo); #else ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); /* clears rx ring */ ReceiveIrq(pAC, &pAC->RxPort[ToPort], SK_FALSE); /* clears rx ring */ #endif 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 if (!CHIP_ID_YUKON_2(pAC)) { /* 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 (!CHIP_ID_YUKON_2(pAC)) { 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); #ifdef USE_TIST_FOR_RESET if (pAC->GIni.GIYukon2) { /* make sure that we do not accept any status LEs from now on */ SK_DBG_MSG(pAC, SK_DBGMOD_DRV, SK_DBGCAT_DUMP, ("both Ports now waiting for specific Tist\n")); SK_SET_WAIT_BIT_FOR_PORT( pAC, SK_PSTATE_WAITING_FOR_ANY_TIST, 0); SK_SET_WAIT_BIT_FOR_PORT( pAC, SK_PSTATE_WAITING_FOR_ANY_TIST, 1); /* start tist */ Y2_ENABLE_TIST(pAC->IoBase); } #endif if (!CHIP_ID_YUKON_2(pAC)) { PortReInitBmu(pAC, FromPort); PortReInitBmu(pAC, ToPort); SkGePollTxD(pAC, IoC, FromPort, SK_TRUE); SkGePollTxD(pAC, IoC, ToPort, SK_TRUE); CLEAR_AND_START_RX(FromPort); CLEAR_AND_START_RX(ToPort); } else { SkY2PortStart(pAC, IoC, FromPort); SkY2PortStart(pAC, IoC, ToPort); #ifdef SK_YUKON2 /* in yukon-II always port 0 has to be started first */ // SkY2PortStart(pAC, IoC, 0); // SkY2PortStart(pAC, IoC, 1); #endif } 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 (!CHIP_ID_YUKON_2(pAC)) { if (XmitFrame(pAC, &pAC->TxPort[pRlmtMbuf->PortIdx][TX_PRIO_LOW], pMsg) < 0) { DEV_KFREE_SKB_ANY(pMsg); } } else { if (SkY2RlmtSend(pAC, pRlmtMbuf->PortIdx, pMsg) < 0) { DEV_KFREE_SKB_ANY(pMsg); } } break; case SK_DRV_TIMER: if (Param.Para32[0] == SK_DRV_MODERATION_TIMER) { /* check what IRQs are to be moderated */ SkDimStartModerationTimer(pAC); SkDimModerate(pAC); } else { printk("Expiration of unknown timer\n"); } break; case SK_DRV_ADAP_FAIL: #if (!defined (Y2_RECOVERY) && !defined (Y2_LE_CHECK)) SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, ("ADAPTER FAIL EVENT\n")); printk("%s: Adapter failed.\n", pAC->dev[0]->name); SK_OUT32(pAC->IoBase, B0_IMSK, 0); /* disable interrupts */ break; #endif #if (defined (Y2_RECOVERY) || defined (Y2_LE_CHECK)) case SK_DRV_RECOVER: spin_lock_irqsave(&pAC->InitLock, InitFlags); pNet = (DEV_NET *) pAC->dev[Param.Para32[0]]->priv; /* Recover already in progress */ if (pNet->InRecover) { break; } netif_stop_queue(pAC->dev[Param.Para32[0]]); /* stop device if running */ pNet->InRecover = SK_TRUE; FromPort = Param.Para32[0]; SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, ("PORT RESET EVENT, Port: %d ", FromPort)); /* Disable interrupts */ SK_OUT32(pAC->IoBase, B0_IMSK, 0); SK_OUT32(pAC->IoBase, B0_HWE_IMSK, 0); SkLocalEventQueue64(pAC, SKGE_PNMI, SK_PNMI_EVT_XMAC_RESET, FromPort, SK_FALSE); spin_lock_irqsave( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStop(pAC, IoC, FromPort, SK_STOP_ALL, SK_SOFT_RST); } else { SkGeStopPort(pAC, IoC, FromPort, SK_STOP_ALL, SK_SOFT_RST); } #if 0 //u-boot pAC->dev[Param.Para32[0]]->flags &= ~IFF_RUNNING; #endif spin_unlock_irqrestore( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); if (!CHIP_ID_YUKON_2(pAC)) { #ifdef CONFIG_SK98LIN_NAPI WorkToDo = 1; ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE, &WorkDone, WorkToDo); #else ReceiveIrq(pAC, &pAC->RxPort[FromPort], SK_FALSE); #endif ClearTxRing(pAC, &pAC->TxPort[FromPort][TX_PRIO_LOW]); } spin_lock_irqsave( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); #ifdef USE_TIST_FOR_RESET if (pAC->GIni.GIYukon2) { #if 0 /* make sure that we do not accept any status LEs from now on */ Y2_ENABLE_TIST(pAC->IoBase); /* get current timestamp */ Y2_GET_TIST_LOW_VAL(pAC->IoBase, &pAC->MinTistLo); pAC->MinTistHi = pAC->GIni.GITimeStampCnt; SK_SET_WAIT_BIT_FOR_PORT( pAC, SK_PSTATE_WAITING_FOR_SPECIFIC_TIST, FromPort); #endif SK_SET_WAIT_BIT_FOR_PORT( pAC, SK_PSTATE_WAITING_FOR_ANY_TIST, FromPort); /* start tist */ Y2_ENABLE_TIST(pAC->IoBase); } #endif /* Restart Receive BMU on Yukon-2 */ if (HW_FEATURE(pAC, HWF_WA_DEV_4167)) { SkYuk2RestartRxBmu(pAC, IoC, FromPort); } #ifdef Y2_LE_CHECK /* mark entries invalid */ pAC->LastPort = 3; pAC->LastOpc = 0xFF; #endif #endif /* Restart ports but do not initialize PHY. */ if (CHIP_ID_YUKON_2(pAC)) { SkY2PortStart(pAC, IoC, FromPort); } else { /* 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); CLEAR_AND_START_RX(FromPort); } spin_unlock_irqrestore( &pAC->TxPort[FromPort][TX_PRIO_LOW].TxDesRingLock, Flags); /* Map any waiting RX buffers to HW */ FillReceiveTableYukon2(pAC, pAC->IoBase, FromPort); pNet->InRecover = SK_FALSE; /* enable Interrupts */ SK_OUT32(pAC->IoBase, B0_IMSK, pAC->GIni.GIValIrqMask); SK_OUT32(pAC->IoBase, B0_HWE_IMSK, IRQ_HWE_MASK); netif_wake_queue(pAC->dev[FromPort]); spin_unlock_irqrestore(&pAC->InitLock, InitFlags); break; default: break; } SK_DBG_MSG(NULL, SK_DBGMOD_DRV, SK_DBGCAT_DRV_EVENT, ("END EVENT ")); return (0); } /* SkDrvEvent */ /****************************************************************************** * * SkLocalEventQueue() - add event to queue * * Description: * This function adds an event to the event queue and run the * SkEventDispatcher. At least Init Level 1 is required to queue events, * but will be scheduled add Init Level 2. * * returns: * nothing */ void SkLocalEventQueue( SK_AC *pAC, /* Adapters context */ SK_U32 Class, /* Event Class */ SK_U32 Event, /* Event to be queued */ SK_U32 Param1, /* Event parameter 1 */ SK_U32 Param2, /* Event parameter 2 */ SK_BOOL Dispatcher) /* Dispatcher flag: * TRUE == Call SkEventDispatcher * FALSE == Don't execute SkEventDispatcher */ { SK_EVPARA EvPara; EvPara.Para32[0] = Param1; EvPara.Para32[1] = Param2; if (Class == SKGE_PNMI) { #ifdef SK_PNMI_SUPPORT SkPnmiEvent( pAC, pAC->IoBase, Event, EvPara); #endif } else { SkEventQueue( pAC, Class, Event, EvPara); } /* Run the dispatcher */ if (Dispatcher) { SkEventDispatcher(pAC, pAC->IoBase); } } /****************************************************************************** * * SkLocalEventQueue64() - add event to queue (64bit version) * * Description: * This function adds an event to the event queue and run the * SkEventDispatcher. At least Init Level 1 is required to queue events, * but will be scheduled add Init Level 2. * * returns: * nothing */ void SkLocalEventQueue64( SK_AC *pAC, /* Adapters context */ SK_U32 Class, /* Event Class */ SK_U32 Event, /* Event to be queued */ SK_U64 Param, /* Event parameter */ SK_BOOL Dispatcher) /* Dispatcher flag: * TRUE == Call SkEventDispatcher * FALSE == Don't execute SkEventDispatcher */ { SK_EVPARA EvPara; EvPara.Para64 = Param; if (Class == SKGE_PNMI) { #ifdef SK_PNMI_SUPPORT SkPnmiEvent( pAC, pAC->IoBase, Event, EvPara); #endif } else { SkEventQueue( pAC, Class, Event, EvPara); } /* Run the dispatcher */ if (Dispatcher) { SkEventDispatcher(pAC, pAC->IoBase); } } /***************************************************************************** * * 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 */ /***************************************************************************** * * 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 */ { SK_AC *pAC = NULL; DEV_NET *pNet = NULL; pNet = (DEV_NET *) pAc->dev[0]->priv; 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 != (DEV_NET *) pAc->dev[1]->priv) { pNet = (DEV_NET *) pAc->dev[1]->priv; 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); } #ifdef DSK_DIAG_SUPPORT /***************************************************************************** * * 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; #ifdef SK_DIAG_SUPPORT pAc->Pnmi.DiagAttached = SK_DIAG_IDLE; #endif //SK_DIAG_SUPPORT 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); } #endif /* DSK_DIAG_SUPPORT */ #if 0 /* uboot */ /***************************************************************************** * * 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); } #endif /**************************************************************************** * * 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]; /* ** Function SkGeClose() uses MOD_DEC_USE_COUNT (2.2/2.4) ** or module_put() (2.6) to decrease the number of users for ** a device, but if a device is to be put under control of ** the DIAG, that count is OK already and does not need to ** be adapted! Hence the opposite MOD_INC_USE_COUNT or ** try_module_get() needs to be used again to correct that. */ MOD_INC_USE_COUNT; if (SkGeClose(dev) != 0) { MOD_DEC_USE_COUNT; return (-1); } return (0); } /* SkDrvDeInitAdapter() */ #if 0 /* uboot*/ /**************************************************************************** * * 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); } else { /* ** Function SkGeOpen() uses MOD_INC_USE_COUNT (2.2/2.4) ** or try_module_get() (2.6) to increase the number of ** users for a device, but if a device was just under ** control of the DIAG, that count is OK already and ** does not need to be adapted! Hence the opposite ** MOD_DEC_USE_COUNT or module_put() needs to be used ** again to correct that. */ module_put(THIS_MODULE); } /* ** Use correct MTU size and indicate to kernel TX queue can be started */ #if 0 /* uboot */ if (SkGeChangeMtu(dev, dev->mtu) != 0) { return (-1); } #endif return (0); } /* SkDrvInitAdapter */ #endif #if 0 /* uboot */ static int __init sk98lin_init(void) { return pci_module_init(&sk98lin_driver); } static void __exit sk98lin_cleanup(void) { pci_unregister_driver(&sk98lin_driver); } module_init(sk98lin_init); module_exit(sk98lin_cleanup); #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, /* linux' socket buffer */ char *str) /* additional msg string */ { int msglen = (skb->len > 64) ? 64 : skb->len; if (skb == NULL) { printk("DumpMsg(): NULL-Message\n"); return; } if (skb->data == NULL) { printk("DumpMsg(): Message empty\n"); return; } #if 0 /* uboot */ printk("DumpMsg: PhysPage: %p\n", page_address(virt_to_page(skb->data))); #endif 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, /* pointer to area containing the data */ int size) /* the size of that data area in bytes */ { register int i; int haddr = 0, addr = 0; char hex_buffer[180] = { '\0' }; char asc_buffer[180] = { '\0' }; char HEXCHAR[] = "0123456789ABCDEF"; 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 long variable to the system logfile/to the * console. * * Returns: N/A * */ static void DumpLong( char *pc, /* location of the variable to print */ int size) /* how large is the variable? */ { register int i; int haddr = 0, addr = 0; char hex_buffer[180] = { '\0' }; char asc_buffer[180] = { '\0' }; char HEXCHAR[] = "0123456789ABCDEF"; long *p = (long*) pc; int l; 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 /******************************************************************************* * * End of file * ******************************************************************************/ #endif