/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef _NETAX25_AX25_H
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#define _NETAX25_AX25_H 1
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#include <features.h>
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#include <bits/sockaddr.h>
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/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx. */
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#define SOL_AX25 257
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/* AX.25 flags: */
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#define AX25_WINDOW 1
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#define AX25_T1 2
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#define AX25_T2 5
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#define AX25_T3 4
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#define AX25_N2 3
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#define AX25_BACKOFF 6
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#define AX25_EXTSEQ 7
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#define AX25_PIDINCL 8
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#define AX25_IDLE 9
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#define AX25_PACLEN 10
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#define AX25_IPMAXQUEUE 11
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#define AX25_IAMDIGI 12
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#define AX25_KILL 99
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/* AX.25 socket ioctls: */
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#define SIOCAX25GETUID (SIOCPROTOPRIVATE)
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#define SIOCAX25ADDUID (SIOCPROTOPRIVATE+1)
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#define SIOCAX25DELUID (SIOCPROTOPRIVATE+2)
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#define SIOCAX25NOUID (SIOCPROTOPRIVATE+3)
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#define SIOCAX25BPQADDR (SIOCPROTOPRIVATE+4)
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#define SIOCAX25GETPARMS (SIOCPROTOPRIVATE+5)
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#define SIOCAX25SETPARMS (SIOCPROTOPRIVATE+6)
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#define SIOCAX25OPTRT (SIOCPROTOPRIVATE+7)
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#define SIOCAX25CTLCON (SIOCPROTOPRIVATE+8)
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#define SIOCAX25GETINFO (SIOCPROTOPRIVATE+9)
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#define SIOCAX25ADDFWD (SIOCPROTOPRIVATE+10)
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#define SIOCAX25DELFWD (SIOCPROTOPRIVATE+11)
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/* unknown: */
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#define AX25_NOUID_DEFAULT 0
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#define AX25_NOUID_BLOCK 1
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#define AX25_SET_RT_IPMODE 2
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/* Digipeating flags: */
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#define AX25_DIGI_INBAND 0x01 /* Allow digipeating within port */
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#define AX25_DIGI_XBAND 0x02 /* Allow digipeating across ports */
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/* Maximim number of digipeaters: */
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#define AX25_MAX_DIGIS 8
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typedef struct
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{
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char ax25_call[7]; /* 6 call + SSID (shifted ascii) */
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}
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ax25_address;
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struct sockaddr_ax25
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{
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sa_family_t sax25_family;
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ax25_address sax25_call;
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int sax25_ndigis;
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};
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/*
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* The sockaddr struct with the digipeater adresses:
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*/
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struct full_sockaddr_ax25
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{
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struct sockaddr_ax25 fsa_ax25;
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ax25_address fsa_digipeater[AX25_MAX_DIGIS];
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};
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#define sax25_uid sax25_ndigis
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struct ax25_routes_struct
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{
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ax25_address port_addr;
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ax25_address dest_addr;
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unsigned char digi_count;
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ax25_address digi_addr[AX25_MAX_DIGIS];
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};
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/* The AX.25 ioctl structure: */
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struct ax25_ctl_struct
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{
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ax25_address port_addr;
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ax25_address source_addr;
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ax25_address dest_addr;
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unsigned int cmd;
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unsigned long arg;
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unsigned char digi_count;
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ax25_address digi_addr[AX25_MAX_DIGIS];
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};
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struct ax25_info_struct
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{
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unsigned int n2, n2count;
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unsigned int t1, t1timer;
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unsigned int t2, t2timer;
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unsigned int t3, t3timer;
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unsigned int idle, idletimer;
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unsigned int state;
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unsigned int rcv_q, snd_q;
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};
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struct ax25_fwd_struct
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{
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ax25_address port_from;
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ax25_address port_to;
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};
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/* AX.25 route structure: */
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struct ax25_route_opt_struct
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{
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ax25_address port_addr;
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ax25_address dest_addr;
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int cmd;
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int arg;
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};
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/* AX.25 BPQ stuff: */
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struct ax25_bpqaddr_struct
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{
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char dev[16];
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ax25_address addr;
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};
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/* Definitions for the AX.25 `values' fields: */
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#define AX25_VALUES_IPDEFMODE 0 /* 'D'=DG 'V'=VC */
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#define AX25_VALUES_AXDEFMODE 1 /* 8=Normal 128=Extended Seq Nos */
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#define AX25_VALUES_NETROM 2 /* Allow NET/ROM - 0=No 1=Yes */
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#define AX25_VALUES_TEXT 3 /* Allow PID=Text - 0=No 1=Yes */
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#define AX25_VALUES_BACKOFF 4 /* 'E'=Exponential 'L'=Linear */
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#define AX25_VALUES_CONMODE 5 /* Allow connected modes - 0=No 1=Yes */
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#define AX25_VALUES_WINDOW 6 /* Default window size for standard AX.25 */
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#define AX25_VALUES_EWINDOW 7 /* Default window size for extended AX.25 */
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#define AX25_VALUES_T1 8 /* Default T1 timeout value */
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#define AX25_VALUES_T2 9 /* Default T2 timeout value */
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#define AX25_VALUES_T3 10 /* Default T3 timeout value */
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#define AX25_VALUES_N2 11 /* Default N2 value */
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#define AX25_VALUES_DIGI 12 /* Digipeat mode */
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#define AX25_VALUES_IDLE 13 /* mode vc idle timer */
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#define AX25_VALUES_PACLEN 14 /* AX.25 MTU */
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#define AX25_VALUES_IPMAXQUEUE 15 /* Maximum number of buffers enqueued */
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#define AX25_MAX_VALUES 20
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struct ax25_parms_struct
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{
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ax25_address port_addr;
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unsigned short values[AX25_MAX_VALUES];
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};
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#endif /* netax25/ax25.h */
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