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 */
+