/* File yapcbr.h : */

/*
    Copyright (C) 1992 Indian Institute of Technology, Bombay
    Written by V. Srinivas and Vishwas Joglekar,
    Dept of Computer Science and Engineering.

    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 1, or (at your option)
    any later version.

    This program 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 this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/




#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <dos.h>
#include <conio.h>

#define NULLDEV (int ) -1
#define NULLHPTR (struct sap_tbl *)0  /* Null hash table pointer  */
/* standard boolean constants */
#define FALSE 0
#define TRUE 1
#define NO 0
#define YES 1
#define ZERO 0
#define SET  1
#define	RESET   0
#define FOUND   1
#define NOTFOUND 0
#define	MAX_PRIME  211      /* modulus for hashing function */
#define	MAX_QSIZ   12 	/* global packet buffer queue size */
#define MAX_PKT_SIZE 1520  /* ethernet packet size */
#define FLUSH_TIME   300  /* life of the routing table/sap table entries in secs */

/* ascii codes of keys		*/
#define ESC  27
#define CR   13
#define UP_ARROW   72
#define DOWN_ARROW 80

/*  for screen manipulation */
#define NORMAL  1
#define REVERSE 0

#define movblock(so,ss,do,ds,c)	movedata(ss,so,ds,do,c)
#define	PK_MAX	4     /* max number of segments supported, increase this if you need more segments */


/* Packet driver interface classes */
#define	CL_ETHERNET	1

#define EADDR_LEN	6

/* Packet driver function call numbers. From Appendix B. */
#define	DRIVER_INFO		1
#define	ACCESS_TYPE		2
#define	RELEASE_TYPE		3
#define	SEND_PKT		4
#define	TERMINATE		5
#define	GET_ADDRESS		6
#define	SET_RCV_MODE		20


#define	CARRY_FLAG	0x1

/* ethernet types : Blue book - ETHERNET_II */
#define ETHERNET_II  0
#define ARCETHER       1

/* largest size of a legal ethernet packet excluding fcs */
#define ETHER_PKT_LEN 1514

/* In yapcbr.c & main.c  */
struct ipxpktdv{
	int class;	/* Interface class (ether ..) */
	int intno;	/* Interrupt vector */
	short handle;	/* Driver handle */
	int ether_type; /* ethernet type, Blue book or 802.3 */
	int dev; 	/* device number of this interface */
	char *name; 	/* name of the interface */
	unsigned char eaddr[6]; /* ethernet address of the interface */
	unsigned char net_id[4]; /* network address of the interface */
	int tmp_tail;
};

extern struct ipxpktdv;
/* screen manipulation macros */

#define  restore()			textbackground(BLACK); \
					   textcolor(WHITE);  \
					    lowvideo()


#define reverse()		   textbackground(WHITE); \
				    textcolor(BLACK);   \
				    lowvideo()

#define bzero(x,len)       memset(x,0x00,len)
/* End of YAPCBR.h */