diff options
Diffstat (limited to 'drivers/net/sk98lin/h/skdrv2nd.h')
| -rw-r--r-- | drivers/net/sk98lin/h/skdrv2nd.h | 447 |
1 files changed, 447 insertions, 0 deletions
diff --git a/drivers/net/sk98lin/h/skdrv2nd.h b/drivers/net/sk98lin/h/skdrv2nd.h new file mode 100644 index 000000000000..3fa67171e832 --- /dev/null +++ b/drivers/net/sk98lin/h/skdrv2nd.h @@ -0,0 +1,447 @@ +/****************************************************************************** + * + * 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 been finalized +*/ +#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; + 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 */ + int RxCsum; /* use receive checksum hardware */ + 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) */ + + SK_U32 AllocFlag; /* flag allocation of resources */ + struct pci_dev *PciDev; /* for access to pci config space */ + struct SK_NET_DEVICE *dev[2]; /* pointer to device struct */ + + 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]; + + 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 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 */ + |