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/* Copyright (C) 1997, 1999 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, write to the Free

   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA

   02111-1307 USA.  */

#ifndef _NETAX25_AX25_H

#define _NETAX25_AX25_H 1

#include <features.h>

#include <bits/sockaddr.h>

/* Setsockoptions(2) level.  Thanks to BSD these must match IPPROTO_xxx.  */

#define SOL_AX25        257

/* AX.25 flags: */

#define AX25_WINDOW     1

#define AX25_T1         2

#define AX25_T2         5

#define AX25_T3         4

#define AX25_N2         3

#define AX25_BACKOFF    6

#define AX25_EXTSEQ     7

#define AX25_PIDINCL    8

#define AX25_IDLE       9

#define AX25_PACLEN     10

#define AX25_IPMAXQUEUE 11

#define AX25_IAMDIGI    12

#define AX25_KILL       99

/* AX.25 socket ioctls: */

#define SIOCAX25GETUID          (SIOCPROTOPRIVATE)

#define SIOCAX25ADDUID          (SIOCPROTOPRIVATE+1)

#define SIOCAX25DELUID          (SIOCPROTOPRIVATE+2)

#define SIOCAX25NOUID           (SIOCPROTOPRIVATE+3)

#define SIOCAX25BPQADDR         (SIOCPROTOPRIVATE+4)

#define SIOCAX25GETPARMS        (SIOCPROTOPRIVATE+5)

#define SIOCAX25SETPARMS        (SIOCPROTOPRIVATE+6)

#define SIOCAX25OPTRT           (SIOCPROTOPRIVATE+7)

#define SIOCAX25CTLCON          (SIOCPROTOPRIVATE+8)

#define SIOCAX25GETINFO         (SIOCPROTOPRIVATE+9)

#define SIOCAX25ADDFWD          (SIOCPROTOPRIVATE+10)

#define SIOCAX25DELFWD          (SIOCPROTOPRIVATE+11)

/* unknown: */

#define AX25_NOUID_DEFAULT      0

#define AX25_NOUID_BLOCK        1

#define AX25_SET_RT_IPMODE      2

/* Digipeating flags: */

#define AX25_DIGI_INBAND        0x01    /* Allow digipeating within port */

#define AX25_DIGI_XBAND         0x02    /* Allow digipeating across ports */

/* Maximim number of digipeaters: */

#define AX25_MAX_DIGIS 8

typedef struct

  {

    char ax25_call[7];          /* 6 call + SSID (shifted ascii) */

  }

ax25_address;

struct sockaddr_ax25

  {

    sa_family_t sax25_family;

    ax25_address sax25_call;

    int sax25_ndigis;

  };

/*

 * The sockaddr struct with the digipeater adresses:

 */

struct full_sockaddr_ax25

  {

    struct sockaddr_ax25 fsa_ax25;

    ax25_address fsa_digipeater[AX25_MAX_DIGIS];

  };

#define sax25_uid       sax25_ndigis

struct ax25_routes_struct

  {

    ax25_address port_addr;

    ax25_address dest_addr;

    unsigned char digi_count;

    ax25_address digi_addr[AX25_MAX_DIGIS];

  };

/* The AX.25 ioctl structure: */

struct ax25_ctl_struct

  {

    ax25_address port_addr;

    ax25_address source_addr;

    ax25_address dest_addr;

    unsigned int cmd;

    unsigned long arg;

    unsigned char digi_count;

    ax25_address digi_addr[AX25_MAX_DIGIS];

  };

struct ax25_info_struct

  {

    unsigned int  n2, n2count;

    unsigned int t1, t1timer;

    unsigned int t2, t2timer;

    unsigned int t3, t3timer;

    unsigned int idle, idletimer;

    unsigned int state;

    unsigned int rcv_q, snd_q;

  };

struct ax25_fwd_struct

  {

    ax25_address port_from;

    ax25_address port_to;

  };

/* AX.25 route structure: */

struct ax25_route_opt_struct

  {

    ax25_address port_addr;

    ax25_address dest_addr;

    int cmd;

    int arg;

  };

/* AX.25 BPQ stuff: */

struct ax25_bpqaddr_struct

  {

    char dev[16];

    ax25_address addr;

  };

/* Definitions for the AX.25 `values' fields: */

#define AX25_VALUES_IPDEFMODE   0        /* 'D'=DG 'V'=VC */

#define AX25_VALUES_AXDEFMODE   1       /* 8=Normal 128=Extended Seq Nos */

#define AX25_VALUES_NETROM      2       /* Allow NET/ROM  - 0=No 1=Yes */

#define AX25_VALUES_TEXT        3       /* Allow PID=Text - 0=No 1=Yes */

#define AX25_VALUES_BACKOFF     4       /* 'E'=Exponential 'L'=Linear */

#define AX25_VALUES_CONMODE     5       /* Allow connected modes - 0=No 1=Yes */

#define AX25_VALUES_WINDOW      6       /* Default window size for standard AX.25 */

#define AX25_VALUES_EWINDOW     7       /* Default window size for extended AX.25 */

#define AX25_VALUES_T1          8       /* Default T1 timeout value */

#define AX25_VALUES_T2          9       /* Default T2 timeout value */

#define AX25_VALUES_T3          10      /* Default T3 timeout value */

#define AX25_VALUES_N2          11      /* Default N2 value */

#define AX25_VALUES_DIGI        12      /* Digipeat mode */

#define AX25_VALUES_IDLE        13      /* mode vc idle timer */

#define AX25_VALUES_PACLEN      14      /* AX.25 MTU */

#define AX25_VALUES_IPMAXQUEUE  15      /* Maximum number of buffers enqueued */

#define AX25_MAX_VALUES         20

struct ax25_parms_struct

  {

    ax25_address port_addr;

    unsigned short values[AX25_MAX_VALUES];

  };

#endif /* netax25/ax25.h */