/* Copyright (C) 1997-2024 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
<https://www.gnu.org/licenses/>. */
#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 */
/* Maximum 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 addresses:
*/
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 */
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