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path: root/drivers/net/sk98lin/h/skdrv2nd.h
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diff --git a/drivers/net/sk98lin/h/skdrv2nd.h b/drivers/net/sk98lin/h/skdrv2nd.h
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+++ b/drivers/net/sk98lin/h/skdrv2nd.h
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+/******************************************************************************
+ *
+ * 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 SkPciWriteCfgDWord(SK_AC*, int, SK_U32);
+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 */
+