/****************************************************************************** * * Name: skdrv2nd.h * Project: GEnesis, PCI Gigabit Ethernet Adapter * Version: $Revision: 1.10 $ * Date: $Date: 2003/12/11 16:04:45 $ * Purpose: Second header file for driver and all other modules * ******************************************************************************/ /****************************************************************************** * * (C)Copyright 1998-2002 SysKonnect GmbH. * (C)Copyright 2002-2003 Marvell. * * 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: * * This is the second include file of the driver, which includes all other * neccessary files and defines all structures and constants used by the * driver and the common modules. * * Include File Hierarchy: * * see skge.c * ******************************************************************************/ #ifndef __INC_SKDRV2ND_H #define __INC_SKDRV2ND_H #include "h/skqueue.h" #include "h/skgehwt.h" #include "h/sktimer.h" #include "h/ski2c.h" #include "h/skgepnmi.h" #include "h/skvpd.h" #include "h/skgehw.h" #include "h/skgeinit.h" #include "h/skaddr.h" #include "h/skgesirq.h" #include "h/skcsum.h" #include "h/skrlmt.h" #include "h/skgedrv.h" extern SK_MBUF *SkDrvAllocRlmtMbuf(SK_AC*, SK_IOC, unsigned); extern void SkDrvFreeRlmtMbuf(SK_AC*, SK_IOC, SK_MBUF*); extern SK_U64 SkOsGetTime(SK_AC*); extern int SkPciReadCfgDWord(SK_AC*, int, SK_U32*); extern int SkPciReadCfgWord(SK_AC*, int, SK_U16*); extern int SkPciReadCfgByte(SK_AC*, int, SK_U8*); extern int SkPciWriteCfgWord(SK_AC*, int, SK_U16); extern int SkPciWriteCfgByte(SK_AC*, int, SK_U8); extern int SkDrvEvent(SK_AC*, SK_IOC IoC, SK_U32, SK_EVPARA); #ifdef SK_DIAG_SUPPORT extern int SkDrvEnterDiagMode(SK_AC *pAc); extern int SkDrvLeaveDiagMode(SK_AC *pAc); #endif struct s_DrvRlmtMbuf { SK_MBUF *pNext; /* Pointer to next RLMT Mbuf. */ SK_U8 *pData; /* Data buffer (virtually contig.). */ unsigned Size; /* Data buffer size. */ unsigned Length; /* Length of packet (<= Size). */ SK_U32 PortIdx; /* Receiving/transmitting port. */ #ifdef SK_RLMT_MBUF_PRIVATE SK_RLMT_MBUF Rlmt; /* Private part for RLMT. */ #endif /* SK_RLMT_MBUF_PRIVATE */ struct sk_buff *pOs; /* Pointer to message block */ }; /* * Time macros */ #if SK_TICKS_PER_SEC == 100 #define SK_PNMI_HUNDREDS_SEC(t) (t) #else #define SK_PNMI_HUNDREDS_SEC(t) ((((unsigned long)t) * 100) / \ (SK_TICKS_PER_SEC)) #endif /* * New SkOsGetTime */ #define SkOsGetTimeCurrent(pAC, pUsec) {\ struct timeval t;\ do_gettimeofday(&t);\ *pUsec = ((((t.tv_sec) * 1000000L)+t.tv_usec)/10000);\ } /* * ioctl definitions */ #define SK_IOCTL_BASE (SIOCDEVPRIVATE) #define SK_IOCTL_GETMIB (SK_IOCTL_BASE + 0) #define SK_IOCTL_SETMIB (SK_IOCTL_BASE + 1) #define SK_IOCTL_PRESETMIB (SK_IOCTL_BASE + 2) #define SK_IOCTL_GEN (SK_IOCTL_BASE + 3) #define SK_IOCTL_DIAG (SK_IOCTL_BASE + 4) typedef struct s_IOCTL SK_GE_IOCTL; struct s_IOCTL { char __user * pData; unsigned int Len; }; /* * define sizes of descriptor rings in bytes */ #define TX_RING_SIZE (8*1024) #define RX_RING_SIZE (24*1024) /* * Buffer size for ethernet packets */ #define ETH_BUF_SIZE 1540 #define ETH_MAX_MTU 1514 #define ETH_MIN_MTU 60 #define ETH_MULTICAST_BIT 0x01 #define SK_JUMBO_MTU 9000 /* * transmit priority selects the queue: LOW=asynchron, HIGH=synchron */ #define TX_PRIO_LOW 0 #define TX_PRIO_HIGH 1 /* * alignment of rx/tx descriptors */ #define DESCR_ALIGN 64 /* * definitions for pnmi. TODO */ #define SK_DRIVER_RESET(pAC, IoC) 0 #define SK_DRIVER_SENDEVENT(pAC, IoC) 0 #define SK_DRIVER_SELFTEST(pAC, IoC) 0 /* For get mtu you must add an own function */ #define SK_DRIVER_GET_MTU(pAc,IoC,i) 0 #define SK_DRIVER_SET_MTU(pAc,IoC,i,v) 0 #define SK_DRIVER_PRESET_MTU(pAc,IoC,i,v) 0 /* ** Interim definition of SK_DRV_TIMER placed in this file until ** common modules have boon finallized */ #define SK_DRV_TIMER 11 #define SK_DRV_MODERATION_TIMER 1 #define SK_DRV_MODERATION_TIMER_LENGTH 1000000 /* 1 second */ #define SK_DRV_RX_CLEANUP_TIMER 2 #define SK_DRV_RX_CLEANUP_TIMER_LENGTH 1000000 /* 100 millisecs */ /* ** Definitions regarding transmitting frames ** any calculating any checksum. */ #define C_LEN_ETHERMAC_HEADER_DEST_ADDR 6 #define C_LEN_ETHERMAC_HEADER_SRC_ADDR 6 #define C_LEN_ETHERMAC_HEADER_LENTYPE 2 #define C_LEN_ETHERMAC_HEADER ( (C_LEN_ETHERMAC_HEADER_DEST_ADDR) + \ (C_LEN_ETHERMAC_HEADER_SRC_ADDR) + \ (C_LEN_ETHERMAC_HEADER_LENTYPE) ) #define C_LEN_ETHERMTU_MINSIZE 46 #define C_LEN_ETHERMTU_MAXSIZE_STD 1500 #define C_LEN_ETHERMTU_MAXSIZE_JUMBO 9000 #define C_LEN_ETHERNET_MINSIZE ( (C_LEN_ETHERMAC_HEADER) + \ (C_LEN_ETHERMTU_MINSIZE) ) #define C_OFFSET_IPHEADER C_LEN_ETHERMAC_HEADER #define C_OFFSET_IPHEADER_IPPROTO 9 #define C_OFFSET_TCPHEADER_TCPCS 16 #define C_OFFSET_UDPHEADER_UDPCS 6 #define C_OFFSET_IPPROTO ( (C_LEN_ETHERMAC_HEADER) + \ (C_OFFSET_IPHEADER_IPPROTO) ) #define C_PROTO_ID_UDP 17 /* refer to RFC 790 or Stevens' */ #define C_PROTO_ID_TCP 6 /* TCP/IP illustrated for details */ /* TX and RX descriptors *****************************************************/ typedef struct s_RxD RXD; /* the receive descriptor */ struct s_RxD { volatile SK_U32 RBControl; /* Receive Buffer Control */ SK_U32 VNextRxd; /* Next receive descriptor,low dword */ SK_U32 VDataLow; /* Receive buffer Addr, low dword */ SK_U32 VDataHigh; /* Receive buffer Addr, high dword */ SK_U32 FrameStat; /* Receive Frame Status word */ SK_U32 TimeStamp; /* Time stamp from XMAC */ SK_U32 TcpSums; /* TCP Sum 2 / TCP Sum 1 */ SK_U32 TcpSumStarts; /* TCP Sum Start 2 / TCP Sum Start 1 */ RXD *pNextRxd; /* Pointer to next Rxd */ struct sk_buff *pMBuf; /* Pointer to Linux' socket buffer */ }; typedef struct s_TxD TXD; /* the transmit descriptor */ struct s_TxD { volatile SK_U32 TBControl; /* Transmit Buffer Control */ SK_U32 VNextTxd; /* Next transmit descriptor,low dword */ SK_U32 VDataLow; /* Transmit Buffer Addr, low dword */ SK_U32 VDataHigh; /* Transmit Buffer Addr, high dword */ SK_U32 FrameStat; /* Transmit Frame Status Word */ SK_U32 TcpSumOfs; /* Reserved / TCP Sum Offset */ SK_U16 TcpSumSt; /* TCP Sum Start */ SK_U16 TcpSumWr; /* TCP Sum Write */ SK_U32 TcpReserved; /* not used */ TXD *pNextTxd; /* Pointer to next Txd */ struct sk_buff *pMBuf; /* Pointer to Linux' socket buffer */ }; /* Used interrupt bits in the interrupts source register *********************/ #define DRIVER_IRQS ((IS_IRQ_SW) | \ (IS_R1_F) |(IS_R2_F) | \ (IS_XS1_F) |(IS_XA1_F) | \ (IS_XS2_F) |(IS_XA2_F)) #define SPECIAL_IRQS ((IS_HW_ERR) |(IS_I2C_READY) | \ (IS_EXT_REG) |(IS_TIMINT) | \ (IS_PA_TO_RX1) |(IS_PA_TO_RX2) | \ (IS_PA_TO_TX1) |(IS_PA_TO_TX2) | \ (IS_MAC1) |(IS_LNK_SYNC_M1)| \ (IS_MAC2) |(IS_LNK_SYNC_M2)| \ (IS_R1_C) |(IS_R2_C) | \ (IS_XS1_C) |(IS_XA1_C) | \ (IS_XS2_C) |(IS_XA2_C)) #define IRQ_MASK ((IS_IRQ_SW) | \ (IS_R1_B) |(IS_R1_F) |(IS_R2_B) |(IS_R2_F) | \ (IS_XS1_B) |(IS_XS1_F) |(IS_XA1_B)|(IS_XA1_F)| \ (IS_XS2_B) |(IS_XS2_F) |(IS_XA2_B)|(IS_XA2_F)| \ (IS_HW_ERR) |(IS_I2C_READY)| \ (IS_EXT_REG) |(IS_TIMINT) | \ (IS_PA_TO_RX1) |(IS_PA_TO_RX2)| \ (IS_PA_TO_TX1) |(IS_PA_TO_TX2)| \ (IS_MAC1) |(IS_MAC2) | \ (IS_R1_C) |(IS_R2_C) | \ (IS_XS1_C) |(IS_XA1_C) | \ (IS_XS2_C) |(IS_XA2_C)) #define IRQ_HWE_MASK (IS_ERR_MSK) /* enable all HW irqs */ typedef struct s_DevNet DEV_NET; struct s_DevNet { int PortNr; int NetNr; int Mtu; int Up; SK_AC *pAC; }; typedef struct s_TxPort TX_PORT; struct s_TxPort { /* the transmit descriptor rings */ caddr_t pTxDescrRing; /* descriptor area memory */ SK_U64 VTxDescrRing; /* descr. area bus virt. addr. */ TXD *pTxdRingHead; /* Head of Tx rings */ TXD *pTxdRingTail; /* Tail of Tx rings */ TXD *pTxdRingPrev; /* descriptor sent previously */ int TxdRingFree; /* # of free entrys */ spinlock_t TxDesRingLock; /* serialize descriptor accesses */ SK_IOC HwAddr; /* bmu registers address */ int PortIndex; /* index number of port (0 or 1) */ }; typedef struct s_RxPort RX_PORT; struct s_RxPort { /* the receive descriptor rings */ caddr_t pRxDescrRing; /* descriptor area memory */ SK_U64 VRxDescrRing; /* descr. area bus virt. addr. */ RXD *pRxdRingHead; /* Head of Rx rings */ RXD *pRxdRingTail; /* Tail of Rx rings */ RXD *pRxdRingPrev; /* descriptor given to BMU previously */ int RxdRingFree; /* # of free entrys */ spinlock_t RxDesRingLock; /* serialize descriptor accesses */ int RxFillLimit; /* limit for buffers in ring */ SK_IOC HwAddr; /* bmu registers address */ int PortIndex; /* index number of port (0 or 1) */ }; /* Definitions needed for interrupt moderation *******************************/ #define IRQ_EOF_AS_TX ((IS_XA1_F) | (IS_XA2_F)) #define IRQ_EOF_SY_TX ((IS_XS1_F) | (IS_XS2_F)) #define IRQ_MASK_TX_ONLY ((IRQ_EOF_AS_TX)| (IRQ_EOF_SY_TX)) #define IRQ_MASK_RX_ONLY ((IS_R1_F) | (IS_R2_F)) #define IRQ_MASK_SP_ONLY (SPECIAL_IRQS) #define IRQ_MASK_TX_RX ((IRQ_MASK_TX_ONLY)| (IRQ_MASK_RX_ONLY)) #define IRQ_MASK_SP_RX ((SPECIAL_IRQS) | (IRQ_MASK_RX_ONLY)) #define IRQ_MASK_SP_TX ((SPECIAL_IRQS) | (IRQ_MASK_TX_ONLY)) #define IRQ_MASK_RX_TX_SP ((SPECIAL_IRQS) | (IRQ_MASK_TX_RX)) #define C_INT_MOD_NONE 1 #define C_INT_MOD_STATIC 2 #define C_INT_MOD_DYNAMIC 4 #define C_CLK_FREQ_GENESIS 53215000 /* shorter: 53.125 MHz */ #define C_CLK_FREQ_YUKON 78215000 /* shorter: 78.125 MHz */ #define C_INTS_PER_SEC_DEFAULT 2000 #define C_INT_MOD_ENABLE_PERCENTAGE 50 /* if higher 50% enable */ #define C_INT_MOD_DISABLE_PERCENTAGE 50 /* if lower 50% disable */ #define C_INT_MOD_IPS_LOWER_RANGE 30 #define C_INT_MOD_IPS_UPPER_RANGE 40000 typedef struct s_DynIrqModInfo DIM_INFO; struct s_DynIrqModInfo { unsigned long PrevTimeVal; unsigned int PrevSysLoad; unsigned int PrevUsedTime; unsigned int PrevTotalTime; int PrevUsedDescrRatio; int NbrProcessedDescr; SK_U64 PrevPort0RxIntrCts; SK_U64 PrevPort1RxIntrCts; SK_U64 PrevPort0TxIntrCts; SK_U64 PrevPort1TxIntrCts; SK_BOOL ModJustEnabled; /* Moderation just enabled yes/no */ int MaxModIntsPerSec; /* Moderation Threshold */ int MaxModIntsPerSecUpperLimit; /* Upper limit for DIM */ int MaxModIntsPerSecLowerLimit; /* Lower limit for DIM */ long MaskIrqModeration; /* ModIrqType (eg. 'TxRx') */ SK_BOOL DisplayStats; /* Stats yes/no */ SK_BOOL AutoSizing; /* Resize DIM-timer on/off */ int IntModTypeSelect; /* EnableIntMod (eg. 'dynamic') */ SK_TIMER ModTimer; /* just some timer */ }; typedef struct s_PerStrm PER_STRM; #define SK_ALLOC_IRQ 0x00000001 #ifdef SK_DIAG_SUPPORT #define DIAG_ACTIVE 1 #define DIAG_NOTACTIVE 0 #endif /**************************************************************************** * Per board structure / Adapter Context structure: * Allocated within attach(9e) and freed within detach(9e). * Contains all 'per device' necessary handles, flags, locks etc.: */ struct s_AC { SK_GEINIT GIni; /* GE init struct */ SK_PNMI Pnmi; /* PNMI data struct */ SK_VPD vpd; /* vpd data struct */ SK_QUEUE Event; /* Event queue */ SK_HWT Hwt; /* Hardware Timer control struct */ SK_TIMCTRL Tim; /* Software Timer control struct */ SK_I2C I2c; /* I2C relevant data structure */ SK_ADDR Addr; /* for Address module */ SK_CSUM Csum; /* for checksum module */ SK_RLMT Rlmt; /* for rlmt module */ spinlock_t SlowPathLock; /* Normal IRQ lock */ struct timer_list BlinkTimer; /* for LED blinking */ int LedsOn; SK_PNMI_STRUCT_DATA PnmiStruct; /* structure to get all Pnmi-Data */ int RlmtMode; /* link check mode to set */ int RlmtNets; /* Number of nets */ SK_IOC IoBase; /* register set of adapter */ int BoardLevel; /* level of active hw init (0-2) */ char DeviceStr[80]; /* adapter string from vpd */ SK_U32 AllocFlag; /* flag allocation of resources */ struct pci_dev *PciDev; /* for access to pci config space */ SK_U32 PciDevId; /* pci device id */ struct SK_NET_DEVICE *dev[2]; /* pointer to device struct */ char Name[30]; /* driver name */ int RxBufSize; /* length of receive buffers */ struct net_device_stats stats; /* linux 'netstat -i' statistics */ int Index; /* internal board index number */ /* adapter RAM sizes for queues of active port */ int RxQueueSize; /* memory used for receive queue */ int TxSQueueSize; /* memory used for sync. tx queue */ int TxAQueueSize; /* memory used for async. tx queue */ int PromiscCount; /* promiscuous mode counter */ int AllMultiCount; /* allmulticast mode counter */ int MulticCount; /* number of different MC */ /* addresses for this board */ /* (may be more than HW can)*/ int HWRevision; /* Hardware revision */ int ActivePort; /* the active XMAC port */ int MaxPorts; /* number of activated ports */ int TxDescrPerRing; /* # of descriptors per tx ring */ int RxDescrPerRing; /* # of descriptors per rx ring */ caddr_t pDescrMem; /* Pointer to the descriptor area */ dma_addr_t pDescrMemDMA; /* PCI DMA address of area */ /* the port structures with descriptor rings */ TX_PORT TxPort[SK_MAX_MACS][2]; RX_PORT RxPort[SK_MAX_MACS]; unsigned int CsOfs1; /* for checksum calculation */ unsigned int CsOfs2; /* for checksum calculation */ SK_U32 CsOfs; /* for checksum calculation */ SK_BOOL CheckQueue; /* check event queue soon */ SK_TIMER DrvCleanupTimer;/* to check for pending descriptors */ DIM_INFO DynIrqModInfo; /* all data related to DIM */ /* Only for tests */ int PortUp; int PortDown; int ChipsetType; /* Chipset family type * 0 == Genesis family support * 1 == Yukon family support */ #ifdef SK_DIAG_SUPPORT SK_U32 DiagModeActive; /* is diag active? */ SK_BOOL DiagFlowCtrl; /* for control purposes */ SK_PNMI_STRUCT_DATA PnmiBackup; /* backup structure for all Pnmi-Data */ SK_BOOL WasIfUp[SK_MAX_MACS]; /* for OpenClose while * DIAG is busy with NIC */ #endif }; #endif /* __INC_SKDRV2ND_H */