/************************************************************************/
/*                                                                      */
/*    *****                       *****                                 */
/*      *****                   *****                                   */
/*        *****               *****                                     */
/*          *****           *****                                       */
/*  ***************       ***************                               */
/*  *****************   *****************                               */
/*  ***************       ***************                               */
/*          *****           *****           TheNetNode                  */
/*        *****               *****         Portable                    */
/*      *****                   *****       Network                     */
/*    *****                       *****     Software                    */
/*                                                                      */
/* File os/linux/linux.h (maintained by: DF6LN)                         */
/*                                                                      */
/* This file is part of "TheNetNode" - Software Package                 */
/*                                                                      */
/* Copyright (C) 1998 - 2008 NORD><LINK e.V. Braunschweig               */
/*                                                                      */
/* This program is free software; you can redistribute it and/or modify */
/* it under the terms of the NORD><LINK ALAS (Allgemeine Lizenz fuer    */
/* Amateurfunk Software) as published by Hans Georg Giese (DF2AU)       */
/* on 13/Oct/1992; either version 1, or (at your option) any later      */
/* version.                                                             */
/*                                                                      */
/* This program is distributed WITHOUT ANY WARRANTY only for further    */
/* development and learning purposes. See the ALAS (Allgemeine Lizenz   */
/* fuer Amateurfunk Software).                                          */
/*                                                                      */
/* You should have received a copy of the NORD><LINK ALAS (Allgemeine   */
/* Lizenz fuer Amateurfunk Software) along with this program; if not,   */
/* write to NORD><LINK e.V., Hinter dem Berge 5, D-38108 Braunschweig   */
/*                                                                      */
/* Dieses Programm ist PUBLIC DOMAIN, mit den Einschraenkungen durch    */
/* die ALAS (Allgemeine Lizenz fuer Amateurfunk Software), entweder     */
/* Version 1, veroeffentlicht von Hans Georg Giese (DF2AU),             */
/* am 13.Oct.1992, oder (wenn gewuenscht) jede spaetere Version.        */
/*                                                                      */
/* Dieses Programm wird unter Haftungsausschluss vertrieben, aus-       */
/* schliesslich fuer Weiterentwicklungs- und Lehrzwecke. Naeheres       */
/* koennen Sie der ALAS (Allgemeine Lizenz fuer Amateurfunk Software)   */
/* entnehmen.                                                           */
/*                                                                      */
/* Sollte dieser Software keine ALAS (Allgemeine Lizenz fuer Amateur-   */
/* funk Software) beigelegen haben, wenden Sie sich bitte an            */
/* NORD><LINK e.V., Hinter dem Berge 5, D-38108 Braunschweig            */
/*                                                                      */
/************************************************************************/

/*------------------ Definitionen der anderen Versionen aufheben -------*/

#undef  TOKENRING
#undef  COMKISS
#undef  EXTDEV

#if defined(i386) && !defined(MIPS)
#define VANESSA
#endif

#define AX_IPX
#define AX25IP

/*------------------ Definitionen fuer Linux-Version -------------------*/

#define L1PNUM L2PNUM           /* max. 16 Schnittstellen im PC         */
#define HOSTQ_BUFLEN 1024       /* Groesse Tastatur-/Bildschirmspeicher */
#define TNN_BUFFERS 10000       /* Vorgabe Bufferzahl                   */

/* definitions for kiss-commands */
#define CMD_TXDELAY 1
#define CMD_PERSIST 2
#define CMD_SLOTTIME 3
#define CMD_TXTAIL 4
#define CMD_FULLDUP 5
#define CMD_DAMA 6
#define CMD_TOKEN 6
#define CMD_TNCRES 0x0d
#define MSG_TOKEN CMD_TOKEN
#define MSG_TNCRES 0x0c
#define MSG_SENTDAMA 0x0e

/* definitions for different KISS-types */
#define KISS_NIX       -1
#define KISS_NORMAL     0
#define KISS_SMACK      1
#define KISS_RMNC       2
#define KISS_TOK        3
#define KISS_VAN        4
#define KISS_SCC        5
#define KISS_TF         6
#define KISS_IPX        7
#define KISS_AXIP       8
#define KISS_LOOP       9
#define KISS_KAX25     10
#define KISS_KAX25KJD  11
#define KISS_6PACK     12

#ifndef L1TCPIP
/* set this to the highest available mode (used for error-checking) */
#define KISS_MAX       12
#endif /* L1TCPIP */

/* maximum length of a received frame, TNN does not accept more!        */
#define MAXFRAMELEN L2MFLEN
#define CRCLEN 2
#define MAXKISSLEN MAXFRAMELEN+CRCLEN

/* defines for rx_state */
#define ST_BEGIN 0
#define ST_PORT 1
#define ST_DATA 2
#define ST_ESC 3
#define ST_TOKCMD 4
#define ST_TOKEN 5
#define ST_TNCRES 6
#define ST_DAMA 7

/* special codes used for KISS-protocol */
#define FEND 0xC0
#define FESC 0xDB
#define TFEND 0xDC
#define TFESC 0xDD

#define MAXPATH PATH_MAX

/* Typen uns Zustaende der Konsolen-Anbindung */
#define CONS_NO_CONSOLE       0
#define CONS_TERM_DO_SETUP    1
#define CONS_TERM_RUNNING     2
#define CONS_SOCKET_DO_SETUP  3
#define CONS_SOCKET_WAITING   4
#define CONS_SOCKET_CONNECTED 5

/* Definitionen fuer DOS-Kompatibilitaets-Funktionen  */
#define P_WAIT 0

typedef struct
{
  BOOLEAN port_active;          /* Hardwareport ist aktiv               */
  char    device[MAXPATH];      /* Device fuer diesen Port              */
  char    tnn_lockfile[MAXPATH];/* Lockfile fuer Device dieses Ports    */
  int     lock;                 /* Filenummer fuer Lock-File            */
  int     kisslink;             /* Filenummer fuer Device               */
  struct termios org_termios;   /* urspruengliche SIO-I/O-Struktur      */
  struct termios wrk_termios;   /* Arbeits-SIO-I/O-Struktur             */
  UWORD   speed;                /* Baudrate des Device                  */
  WORD    speedflag;            /* Flag fuer Baudraten > 38400          */
  WORD    kisstype;             /* 0 = Kiss, 1 = SMACK, 2 = RMNC-KISS,  */
                                /* 3 = Tokenring, 4 = Vanessa, 5 = SCC, */
                                /* 6 = TheFirmware, 7 = IPX, 8 = AX25IP */
  WORD    rx_state;
  WORD    rx_port;
  WORD    tx_port;
  char    rx_buffer[MAXKISSLEN];
  char   *rx_bufptr;
  int     rx_buflen;
  ULONG   bad_frames;           /* Zaehler fuer Bad-Frames auf dem Port */
#ifdef KERNELIF
  unsigned short oldifparms;
#endif
} DEVICE;

struct hostqueue {
  int first;
  int last;
  char buffer[HOSTQ_BUFLEN];
  struct hostqueue *next;
};

struct ffblk
{
  char     ff_path[MAXPATH];
  char     ff_find[NAME_MAX];
  char     ff_name[NAME_MAX];
  unsigned ff_fdate;
  unsigned ff_ftime;
};

struct ftime
{
  unsigned ft_tsec      : 5;
  unsigned ft_min       : 6;
  unsigned ft_hour      : 5;
  unsigned ft_day       : 5;
  unsigned ft_month     : 4;
  unsigned ft_year      : 7;
};

/* ------------------ Globale Variablen der Linux-Version --------------*/

 extern ULONG   tnn_buffers;
 extern char    tnn_initfile[MAXPATH];
 extern char    tnn_dir[MAXPATH];
 extern char    tnn_errfile[MAXPATH];
 extern char    tnn_procfile[MAXPATH];
 extern WORD    max_device;
 extern DEVICE  l1port[L1PNUM];
 extern BOOLEAN kiss_active;
#ifdef ATTACH
 extern WORD    tokenring_ports;
 extern WORD    sixpack_ports;
#endif /* ATTACH */
 extern WORD    used_l1ports;
 extern WORD    l1ptab[L2PNUM];
 extern WORD    l2ptab[L1PNUM];
 extern DEVICE  *l1dp;
 extern BOOLEAN unlock;
 extern UWORD   maxrounds;

 extern LONG bad_frames;
 extern time_t last_recovery;

/* extern BOOLEAN use_socket; */
 extern char tnn_socket[MAXPATH];
 extern char start_name[MAXPATH];
 extern char stop_name[MAXPATH];

 char cShell[512];      /* Pfad zu Shell */

 extern UBYTE console_type; /* Typ der Konsole: keine, Terminal, Socket */

/* ------------------- Funktionen bei Linux-Version --------------------*/

char     *strlwr(char *);
char     *strupr(char *);
int      getftime(int, struct ftime *);
int      spawnl(int, const char *, const char *, const char *,
                const char *, const char *, const char *, const char *);
BOOLEAN  init_kisslink(void);
void     exit_kisslink(void);
void     send_kisscmd(int, int, int);
void     framedata_to_queue(int, char *, int);
void     put_error(char *);
void     hputud(unsigned);
void     reset_hardware(void);
int      exit_all(void);
BOOLEAN  read_init_file(int, char *[]);
BOOLEAN  init_proc(void);
void     exit_proc(void);
void     add_tnndir(char *);
void     security_check(char *);
BOOLEAN  good_file_name(const char *);
char    *xtempnam(const char *, const char *);
void     calculate_load(void);
void     print_load(MBHEAD *);
void     shell_to_user(void);
void     ccpsetshell(void);

#ifndef _TNN_LINUX_C
#define tempnam(x, y) xtempnam(x, y)
#endif

/* Blocktransfer-Funktionen */
int cpymbflat(char *, MBHEAD *);
MBHEAD *cpyflatmb(char *, int);

#ifdef VANESSA
void vanessa_l1ctl(int);
void vanessa_l1init(void);
void vanessa(void);
WORD vanessa_dcd(int);
void vanessa_l1exit(void);
void van_hwstr(int, MBHEAD *);
#endif

#ifdef AX_IPX
void    axipx(void);
BOOLEAN axipx_l1init(int);
void    axipx_l1exit(void);
void    axipx_l1ctl(int, int);
void    axipx_hwstr(int, MBHEAD *);
BOOLEAN axipx_dcd(int);
void    axipx_recv(void);
void    axipx_send(void);
#endif

#ifdef AX25IP
void    ax25ip(void);
BOOLEAN ax25ip_l1init(int);
void    ax25ip_l1exit(void);
void    ax25ip_l1ctl(int, int);
void    ax25ip_hwstr(int, MBHEAD *);
BOOLEAN ax25ip_dcd(int);
void    ccpaxipr(void);
#if defined(_MSC_VER)
void    ax25ip_recv(void);
#endif
#endif

#define kissmode(x) l1port[l1ptab[x]].kisstype
#define CRASH() *((int *) NULL) = 0

#ifdef KERNELIF
/* IP-Tunnel */
void ifip_frame_to_kernel(MBHEAD *);
void ifip_clearstat(void);
void ifip_dispstat(MBHEAD *);
int ifip_active(void);
void ifip_frame_to_router(void);

/* Kernel-AX.25 */
BOOLEAN ifax_setup(DEVICE *);
void ifax_close(DEVICE *);
void ifax_hwstr(int, MBHEAD *);
void ifax_rx(int);
void ifax_tx(void);
void ifax_parms(int);
void ifax_l1ctl(int);
void ifax_housekeeping(void);
int ifax_dcd(int);
#endif

/* 6PACK */
#ifdef SIXPACK
void Sixpack_Housekeeping(void);
WORD Sixpack_DCD(UWORD);
void Sixpack_l1init(void);
void Sixpack_l1exit(void);
void Sixpack_l1ctl(int, UWORD);
void ccp6pack(void);
#endif


#ifdef DEBUG_MODUS
void     sigsegv(int);
#endif

/* End of os/linux/linux.h */