1/* Copyright (C) 1997, 1999 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   The GNU C Library is free software; you can redistribute it and/or
5   modify it under the terms of the GNU Lesser General Public
6   License as published by the Free Software Foundation; either
7   version 2.1 of the License, or (at your option) any later version.
8
9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, write to the Free
16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17   02111-1307 USA.  */
18
19#ifndef _NETAX25_AX25_H
20#define _NETAX25_AX25_H	1
21
22#include <features.h>
23#include <bits/sockaddr.h>
24
25/* Setsockoptions(2) level.  Thanks to BSD these must match IPPROTO_xxx.  */
26#define SOL_AX25	257
27
28/* AX.25 flags: */
29#define AX25_WINDOW	1
30#define AX25_T1		2
31#define AX25_T2		5
32#define AX25_T3		4
33#define AX25_N2		3
34#define AX25_BACKOFF	6
35#define AX25_EXTSEQ	7
36#define AX25_PIDINCL	8
37#define AX25_IDLE	9
38#define	AX25_PACLEN	10
39#define AX25_IPMAXQUEUE 11
40#define AX25_IAMDIGI	12
41#define AX25_KILL	99
42
43/* AX.25 socket ioctls: */
44#define SIOCAX25GETUID		(SIOCPROTOPRIVATE)
45#define SIOCAX25ADDUID		(SIOCPROTOPRIVATE+1)
46#define SIOCAX25DELUID		(SIOCPROTOPRIVATE+2)
47#define SIOCAX25NOUID		(SIOCPROTOPRIVATE+3)
48#define SIOCAX25BPQADDR		(SIOCPROTOPRIVATE+4)
49#define SIOCAX25GETPARMS	(SIOCPROTOPRIVATE+5)
50#define SIOCAX25SETPARMS	(SIOCPROTOPRIVATE+6)
51#define SIOCAX25OPTRT		(SIOCPROTOPRIVATE+7)
52#define SIOCAX25CTLCON		(SIOCPROTOPRIVATE+8)
53#define SIOCAX25GETINFO		(SIOCPROTOPRIVATE+9)
54#define SIOCAX25ADDFWD		(SIOCPROTOPRIVATE+10)
55#define SIOCAX25DELFWD		(SIOCPROTOPRIVATE+11)
56
57/* unknown: */
58#define AX25_NOUID_DEFAULT	0
59#define AX25_NOUID_BLOCK	1
60#define AX25_SET_RT_IPMODE	2
61
62/* Digipeating flags: */
63#define AX25_DIGI_INBAND	0x01	/* Allow digipeating within port */
64#define AX25_DIGI_XBAND		0x02	/* Allow digipeating across ports */
65
66/* Maximim number of digipeaters: */
67#define AX25_MAX_DIGIS 8
68
69
70typedef struct
71  {
72    char ax25_call[7];		/* 6 call + SSID (shifted ascii) */
73  }
74ax25_address;
75
76struct sockaddr_ax25
77  {
78    sa_family_t sax25_family;
79    ax25_address sax25_call;
80    int sax25_ndigis;
81  };
82
83/*
84 * The sockaddr struct with the digipeater adresses:
85 */
86struct full_sockaddr_ax25
87  {
88    struct sockaddr_ax25 fsa_ax25;
89    ax25_address fsa_digipeater[AX25_MAX_DIGIS];
90  };
91#define sax25_uid	sax25_ndigis
92
93struct ax25_routes_struct
94  {
95    ax25_address port_addr;
96    ax25_address dest_addr;
97    unsigned char digi_count;
98    ax25_address digi_addr[AX25_MAX_DIGIS];
99  };
100
101/* The AX.25 ioctl structure: */
102struct ax25_ctl_struct
103  {
104    ax25_address port_addr;
105    ax25_address source_addr;
106    ax25_address dest_addr;
107    unsigned int cmd;
108    unsigned long arg;
109    unsigned char digi_count;
110    ax25_address digi_addr[AX25_MAX_DIGIS];
111  };
112
113struct ax25_info_struct
114  {
115    unsigned int  n2, n2count;
116    unsigned int t1, t1timer;
117    unsigned int t2, t2timer;
118    unsigned int t3, t3timer;
119    unsigned int idle, idletimer;
120    unsigned int state;
121    unsigned int rcv_q, snd_q;
122  };
123
124struct ax25_fwd_struct
125  {
126    ax25_address port_from;
127    ax25_address port_to;
128  };
129
130/* AX.25 route structure: */
131struct ax25_route_opt_struct
132  {
133    ax25_address port_addr;
134    ax25_address dest_addr;
135    int cmd;
136    int arg;
137  };
138
139/* AX.25 BPQ stuff: */
140struct ax25_bpqaddr_struct
141  {
142    char dev[16];
143    ax25_address addr;
144  };
145
146/* Definitions for the AX.25 `values' fields: */
147#define	AX25_VALUES_IPDEFMODE	0	/* 'D'=DG 'V'=VC */
148#define	AX25_VALUES_AXDEFMODE	1	/* 8=Normal 128=Extended Seq Nos */
149#define	AX25_VALUES_NETROM	2	/* Allow NET/ROM  - 0=No 1=Yes */
150#define	AX25_VALUES_TEXT	3	/* Allow PID=Text - 0=No 1=Yes */
151#define	AX25_VALUES_BACKOFF	4	/* 'E'=Exponential 'L'=Linear */
152#define	AX25_VALUES_CONMODE	5	/* Allow connected modes - 0=No 1=Yes */
153#define	AX25_VALUES_WINDOW	6	/* Default window size for standard AX.25 */
154#define	AX25_VALUES_EWINDOW	7	/* Default window size for extended AX.25 */
155#define	AX25_VALUES_T1		8	/* Default T1 timeout value */
156#define	AX25_VALUES_T2		9	/* Default T2 timeout value */
157#define	AX25_VALUES_T3		10	/* Default T3 timeout value */
158#define	AX25_VALUES_N2		11	/* Default N2 value */
159#define	AX25_VALUES_DIGI	12	/* Digipeat mode */
160#define AX25_VALUES_IDLE	13	/* mode vc idle timer */
161#define AX25_VALUES_PACLEN	14	/* AX.25 MTU */
162#define AX25_VALUES_IPMAXQUEUE  15	/* Maximum number of buffers enqueued */
163#define	AX25_MAX_VALUES		20
164
165struct ax25_parms_struct
166  {
167    ax25_address port_addr;
168    unsigned short values[AX25_MAX_VALUES];
169  };
170
171#endif /* netax25/ax25.h */
172