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Edit: netrom.h

/* Copyright (C) 1997 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, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _NETROM_NETROM_H
#define _NETROM_NETROM_H	1

#include <netax25/ax25.h>

/* Setsockoptions(2) level.  Thanks to BSD these must match IPPROTO_xxx.  */
#define SOL_NETROM	259

/* NetRom control values: */
#define NETROM_T1	1
#define NETROM_T2	2
#define NETROM_N2	3
#define NETROM_PACLEN	5
#define	NETROM_T4	6
#define NETROM_IDLE	7

#define NETROM_KILL	99

/* Type of route: */
#define NETROM_NEIGH    0
#define NETROM_NODE     1

struct nr_route_struct
  {
    int type;
    ax25_address callsign;
    char device[16];
    unsigned int quality;
    char mnemonic[7];
    ax25_address neighbour;
    unsigned int obs_count;
    unsigned int ndigis;
    ax25_address digipeaters[AX25_MAX_DIGIS];
  };

/* NetRom socket ioctls: */
#define	SIOCNRGETPARMS		(SIOCPROTOPRIVATE+0)
#define	SIOCNRSETPARMS		(SIOCPROTOPRIVATE+1)
#define	SIOCNRDECOBS		(SIOCPROTOPRIVATE+2)
#define	SIOCNRRTCTL		(SIOCPROTOPRIVATE+3)
#define	SIOCNRCTLCON		(SIOCPROTOPRIVATE+4)

/* NetRom parameter structure: */
struct nr_parms_struct
  {
    unsigned int quality;
    unsigned int obs_count;
    unsigned int ttl;
    unsigned int timeout;
    unsigned int ack_delay;
    unsigned int busy_delay;
    unsigned int tries;
    unsigned int window;
    unsigned int paclen;
  };

/* NetRom control structure: */
struct nr_ctl_struct
  {
    unsigned char index;
    unsigned char id;
    unsigned int cmd;
    unsigned long arg;
  };

#endif /* netrom/netrom.h */