lan_type.h

基于psos操作系统的ns8390驱动源码

/* @(#) pSOSystem x86/V2.5.0: bsps/devices/lan/lan_type.h 4.2 99/04/02 11:51:08 */
/************************************************************************/
/*                                                                      */
/*   MODULE:  lan_type.h                                                */
/*   DATE:    99/04/02                                                   */
/*   PURPOSE: Network Interface Driver Header File                      */
/*                                                                      */
/*----------------------------------------------------------------------*/
/*                                                                      */
/*              Copyright 1994, Integrated Systems Inc.                 */
/*                      ALL RIGHTS RESERVED                             */
/*                                                                      */
/*   Permission is hereby granted to licensees of pNA to use or         */
/*   abstract the following computer program for the sole purpose of    */
/*   implementing their pNA based software products.  No other          */
/*   rights to reproduce, use or disseminate this computer program,     */
/*   whether in part or in whole, is granted.                           */
/*                                                                      */
/*   Integrated Systems Inc. makes no representation or warranties      */
/*   with respect to the performance of this computer program, and      */
/*   specifically disclaims any responsibility for any damages,         */
/*   special or consequential, connected with the use of this program.  */
/*                                                                      */
/*----------------------------------------------------------------------*/
/*                                                                      */
/*                                                                      */
/************************************************************************/
#if __cplusplus
extern "C" {
#endif

#ifndef __LAN_TYPE_H
#define __LAN_TYPE_H 1

/*----------------------------------------------------------------------*/
/* special packet sizes                                                 */
/*----------------------------------------------------------------------*/
#define RUNT    60                      /* minimum transmit data length */
#define GIANT   1514                    /* 1500 + 14                    */
#define BUFSIZE 1508                    /* 4 for CRC, 4 for the hell    */


#ifdef __CADUL__
#pragma noalign
#endif
#ifdef __DIAB
#pragma pack(1)
#endif
typedef struct  {
	UCHAR   ea_bytes[6];
} e_addr;


/*----------------------------------------------------------------------*/
/* Ethernet header structure                                            */
/*----------------------------------------------------------------------*/
struct etheader {
	e_addr daddr;                        /* destination address     */
	e_addr saddr;                        /* source address          */
	unsigned short  type;                /* packet type             */
};
#ifdef __CADUL__
#pragma align
#endif
#ifdef __DIAB
#pragma pack()
#endif

#define ETH_HEADER_SIZE   14

/*----------------------------------------------------------------------*/
/* driver receive buffer structure                                      */
/*----------------------------------------------------------------------*/
struct rbcb {
	struct rbcb *next;
	unsigned long   pktsize;
        unsigned short   dev_num;
	struct etheader eth;
	char    buf[BUFSIZE];
};

/*----------------------------------------------------------------------*/
/* driver transmit buffer structure                                     */
/*----------------------------------------------------------------------*/
struct tbcb {
	struct tbcb *next;
	unsigned long   pktsize;
	struct etheader eth;
	mblk_t * msg;
};

/*----------------------------------------------------------------------*/
/* statistics for lance operations                                      */
/*----------------------------------------------------------------------*/
struct lance_stat {
	/* operational statistics */
	unsigned long   l_rcv;                  /* # of frames received */
	unsigned long   l_xmit;                 /* # of frames sent     */

	/* receiver statistics */
	unsigned long   r_crc;                  /* crc error            */
	unsigned long   r_fram;                 /* frame error          */
	unsigned long   r_orun;                 /* fifo overrun         */
	unsigned long   r_miss;                 /* missed packet        */
	unsigned long   r_oflo;                 /* ring overflow        */
	unsigned long   r_nobufs;               /* no msg blocks        */
	unsigned long   r_runt;                 /* Runt Frame           */ 
	unsigned long   r_too_long;             /* Frame too long       */ 
	unsigned long   r_other;                /* other rcv errors     */
       
	/* transmitter statistics */
	unsigned long   t_cerr;                 /* collision error      */
	unsigned long   t_lcar;                 /* lost carrier         */
	unsigned long   t_urun;                 /* fifo underrun        */
	unsigned long   t_nobufs;               /* no xmit buffers      */
        unsigned long   t_abort;                /* xmit aborted         */
        unsigned long   t_other;                /* other xmit errors    */
};

/*----------------------------------------------------------------------*/
/* Lan Interface Configuration                                          */
/*----------------------------------------------------------------------*/
struct lan_cfg_info {
        unsigned long       int_lev;
        unsigned long       io_base;
	unsigned long       ram_base;
	unsigned long       ram_size;
        char                dma_chan;
        char                bus_16bit;     /* 8 bit or 16 bit */
        char                soft_cfg;       /* is soft-configurale */
};

typedef struct MCTable_struct
    {
    UCHAR *mc_addr;
    ULONG *mc_refs;
    ULONG  max_num;
    ULONG  num_used;
    } MCAST;

/*----------------------------------------------------------------------*/
/* Lan Interface Common Information                                     */
/*----------------------------------------------------------------------*/
typedef struct lan_intf {
	long	if_num;
	long	dev_num;
	e_addr	if_enet_addr;
	e_addr  if_broad_addr;	
	struct  ni_funcs if_ni_funcs;
	long	(*if_announce)();	/* Announce_packe function     */
	long	if_flags;
        long    intf_flags;             /* used by driver internally   */ 
        struct  lan_cfg_info *lan_cfg;
        void    *nic_intf;
        long    mcast_num;              /* number of multicast addr.   */
        MCAST   *lan_mcast;             /* Multicast address table     */
} LAN_INTF;

#define BOARDCAST_ENA	1
#define MULTICAST_ENA   2

#endif /* __LAN_TYPE_H */

#if __cplusplus
}
#endif