skdrv2nd.h

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/******************************************************************************
*                                                                             *
*   Copyright 2005 University of Cambridge Computer Laboratory.               *
*                                                                             *
*   This file is part of Nprobe.                                              *
*                                                                             *
*   Nprobe 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.                                       *
*                                                                             *
*   Nprobe is distributed in the hope that it will be useful,                 *
*   but WITHOUT ANY WARRANTY; without even the implied warranty of            *
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
*   GNU General Public License for more details.                              *
*                                                                             *
*   You should have received a copy of the GNU General Public License         *
*   along with Nprobe; if not, write to the Free Software                     *
*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *
*                                                                             *
******************************************************************************/


/******************************************************************************
 *
 * Name:	skdrv2nd.h
 * Project:	GEnesis, PCI Gigabit Ethernet Adapter
 * Version:	$Revision: 1.3 $
 * Date:	$Date: 2003/08/12 16:51:18 $
 * Purpose:	Second header file for driver and all other modules
 *
 ******************************************************************************/

/******************************************************************************
 *
 *	(C)Copyright 1998-2003 SysKonnect GmbH.
 *
 *	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.
 *
 ******************************************************************************/

/******************************************************************************
 *
 * History:
 *
 *	$Log: skdrv2nd.h,v $
 *	Revision 1.3  2003/08/12 16:51:18  mlindner
 *	Fix: UDP and TCP Proto checks
 *	Fix: UDP header offset
 *	
 *	Revision 1.2  2003/08/07 10:50:54  mlindner
 *	Add: Speed and HW-Csum support for Yukon Lite chipset
 *	
 *	Revision 1.1  2003/07/21 07:25:29  rroesler
 *	Fix: Re-Enter after CVS crash
 *	
 *	Revision 1.19  2003/07/07 09:53:10  rroesler
 *	Fix: Removed proprietary RxTx defines and used the ones from skgehw.h instead
 *	
 *	Revision 1.18  2003/06/12 07:54:14  mlindner
 *	Fix: Changed Descriptor Alignment to 64 Byte
 *	
 *	Revision 1.17  2003/05/26 12:56:39  mlindner
 *	Add: Support for Kernel 2.5/2.6
 *	Add: New SkOsGetTimeCurrent function
 *	Add: SK_PNMI_HUNDREDS_SEC definition
 *	Fix: SK_TICKS_PER_SEC on Intel Itanium2
 *	
 *	Revision 1.16  2003/03/21 14:56:18  rroesler
 *	Added code regarding interrupt moderation
 *	
 *	Revision 1.15  2003/02/25 14:16:40  mlindner
 *	Fix: Copyright statement
 *	
 *	Revision 1.14  2003/02/25 13:26:26  mlindner
 *	Add: Support for various vendors
 *	
 *	Revision 1.13  2002/10/02 12:46:02  mlindner
 *	Add: Support for Yukon
 *	
 *	Revision 1.12.2.2  2001/09/05 12:14:50  mlindner
 *	add: New hardware revision int
 *	
 *	Revision 1.12.2.1  2001/03/12 16:50:59  mlindner
 *	chg: kernel 2.4 adaption
 *	
 *	Revision 1.12  2001/03/01 12:52:15  mlindner
 *	Fixed ring size
 *
 *	Revision 1.11  2001/02/19 13:28:02  mlindner
 *	Changed PNMI parameter values
 *
 *	Revision 1.10  2001/01/22 14:16:04  mlindner
 *	added ProcFs functionality
 *	Dual Net functionality integrated
 *	Rlmt networks added
 *
 *	Revision 1.1  2000/10/05 19:46:50  phargrov
 *	Add directory src/vipk_devs_nonlbl/vipk_sk98lin/
 *	This is the SysKonnect SK-98xx Gigabit Ethernet driver,
 *	contributed by SysKonnect.
 *
 *	Revision 1.9  2000/02/21 10:39:55  cgoos
 *	Added flag for jumbo support usage.
 *
 *	Revision 1.8  1999/11/22 13:50:44  cgoos
 *	Changed license header to GPL.
 *	Fixed two comments.
 *
 *	Revision 1.7  1999/09/28 12:38:21  cgoos
 *	Added CheckQueue to SK_AC.
 *	
 *	Revision 1.6  1999/07/27 08:04:05  cgoos
 *	Added checksumming variables to SK_AC.
 *	
 *	Revision 1.5  1999/03/29 12:33:26  cgoos
 *	Rreversed to fine lock granularity.
 *	
 *	Revision 1.4  1999/03/15 12:14:02  cgoos
 *	Added DriverLock to SK_AC.
 *	Removed other locks.
 *	
 *	Revision 1.3  1999/03/01 08:52:27  cgoos
 *	Changed pAC->PciDev declaration.
 *	
 *	Revision 1.2  1999/02/18 10:57:14  cgoos
 *	Removed SkDrvTimeStamp prototype.
 *	Fixed SkGeOsGetTime prototype.
 *	
 *	Revision 1.1  1999/02/16 07:41:01  cgoos
 *	First version.
 *	
 *	
 *
 ******************************************************************************/

/******************************************************************************
 *
 * 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"

#define SK_PCI_ISCOMPLIANT(result, pdev) {     \
    result = SK_FALSE; /* default */     \
    /* 3Com (0x10b7) */     \
    if (pdev->vendor == 0x10b7) {     \
        /* Gigabit Ethernet Adapter (0x1700) */     \
        if ((pdev->device == 0x1700)) { \
            result = SK_TRUE;     \
        }     \
    /* SysKonnect (0x1148) */     \
    } else if (pdev->vendor == 0x1148) {     \
        /* SK-98xx Gigabit Ethernet Server Adapter (0x4300) */     \
        /* SK-98xx V2.0 Gigabit Ethernet Adapter (0x4320) */     \
        if ((pdev->device == 0x4300) || \
            (pdev->device == 0x4320)) { \
            result = SK_TRUE;     \
        }     \
    /* D-Link (0x1186) */     \
    } else if (pdev->vendor == 0x1186) {     \
        /* Gigabit Ethernet Adapter (0x4c00) */     \
        if ((pdev->device == 0x4c00)) { \
            result = SK_TRUE;     \
        }     \
    /* Marvell (0x11ab) */     \
    } else if (pdev->vendor == 0x11ab) {     \
        /* Gigabit Ethernet Adapter (0x4320) */     \
        if ((pdev->device == 0x4320)) { \
            result = SK_TRUE;     \
        }     \
    /* CNet (0x1371) */     \
    } else if (pdev->vendor == 0x1371) {     \
        /* GigaCard Network Adapter (0x434e) */     \
        if ((pdev->device == 0x434e)) { \
            result = SK_TRUE;     \
        }     \
    /* Linksys (0x1737) */     \
    } else if (pdev->vendor == 0x1737) {     \
        /* Gigabit Network Adapter (0x1032) */     \
        /* Gigabit Network Adapter (0x1064) */     \
        if ((pdev->device == 0x1032) || \
            (pdev->device == 0x1064)) { \
            result = SK_TRUE;     \
        }     \
    } else {     \
        result = SK_FALSE;     \
    }     \
}


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);

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)

typedef struct s_IOCTL	SK_GE_IOCTL;

struct s_IOCTL {
	char*		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