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kernel-ark/drivers/net/sk98lin/h/skdrv2nd.h
Stephen Hemminger 5ad887fa8e sk98lin: resurrect driver 
This reverts commit e1abecc489.

The driver works on some hardware that skge doesn't handle yet.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-09-15 19:35:14 -04:00

448 lines
15 KiB
C
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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 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 */
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