aboutsummaryrefslogtreecommitdiffstats
path: root/include/openbsc/mncc.h
blob: e514c19aeda8da0f36b4e9b846c09e0261534e92 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/* GSM Mobile Radio Interface Layer 3 messages on the A-bis interface 
 * 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */

/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
 * (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
 *
 * All Rights Reserved
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef _MNCC_H
#define _MNCC_H

#include <osmocore/linuxlist.h>
#include <osmocore/mncc.h>

#include <stdint.h>

struct gsm_network;
struct msgb;


/* One end of a call */
struct gsm_call {
	struct llist_head entry;

	/* network handle */
	void *net;

	/* the 'local' transaction */
	uint32_t callref;
	/* the 'remote' transaction */
	uint32_t remote_ref;
};

#define MNCC_SETUP_REQ		0x0101
#define MNCC_SETUP_IND		0x0102
#define MNCC_SETUP_RSP		0x0103
#define MNCC_SETUP_CNF		0x0104
#define MNCC_SETUP_COMPL_REQ	0x0105
#define MNCC_SETUP_COMPL_IND	0x0106
/* MNCC_REJ_* is perfomed via MNCC_REL_* */
#define MNCC_CALL_CONF_IND	0x0107
#define MNCC_CALL_PROC_REQ	0x0108
#define MNCC_PROGRESS_REQ	0x0109
#define MNCC_ALERT_REQ		0x010a
#define MNCC_ALERT_IND		0x010b
#define MNCC_NOTIFY_REQ		0x010c
#define MNCC_NOTIFY_IND		0x010d
#define MNCC_DISC_REQ		0x010e
#define MNCC_DISC_IND		0x010f
#define MNCC_REL_REQ		0x0110
#define MNCC_REL_IND		0x0111
#define MNCC_REL_CNF		0x0112
#define MNCC_FACILITY_REQ	0x0113
#define MNCC_FACILITY_IND	0x0114
#define MNCC_START_DTMF_IND	0x0115
#define MNCC_START_DTMF_RSP	0x0116
#define MNCC_START_DTMF_REJ	0x0117
#define MNCC_STOP_DTMF_IND	0x0118
#define MNCC_STOP_DTMF_RSP	0x0119
#define MNCC_MODIFY_REQ		0x011a
#define MNCC_MODIFY_IND		0x011b
#define MNCC_MODIFY_RSP		0x011c
#define MNCC_MODIFY_CNF		0x011d
#define MNCC_MODIFY_REJ		0x011e
#define MNCC_HOLD_IND		0x011f
#define MNCC_HOLD_CNF		0x0120
#define MNCC_HOLD_REJ		0x0121
#define MNCC_RETRIEVE_IND	0x0122
#define MNCC_RETRIEVE_CNF	0x0123
#define MNCC_RETRIEVE_REJ	0x0124
#define MNCC_USERINFO_REQ	0x0125
#define MNCC_USERINFO_IND	0x0126
#define MNCC_REJ_REQ		0x0127
#define MNCC_REJ_IND		0x0128

#define MNCC_BRIDGE		0x0200
#define MNCC_FRAME_RECV		0x0201
#define MNCC_FRAME_DROP		0x0202
#define MNCC_LCHAN_MODIFY	0x0203

#define GSM_TCHF_FRAME		0x0300
#define GSM_TCHF_FRAME_EFR	0x0301

#define GSM_MAX_FACILITY	128
#define GSM_MAX_SSVERSION	128
#define GSM_MAX_USERUSER	128

#define	MNCC_F_BEARER_CAP	0x0001
#define MNCC_F_CALLED		0x0002
#define MNCC_F_CALLING		0x0004
#define MNCC_F_REDIRECTING	0x0008
#define MNCC_F_CONNECTED	0x0010
#define MNCC_F_CAUSE		0x0020
#define MNCC_F_USERUSER		0x0040
#define MNCC_F_PROGRESS		0x0080
#define MNCC_F_EMERGENCY	0x0100
#define MNCC_F_FACILITY		0x0200
#define MNCC_F_SSVERSION	0x0400
#define MNCC_F_CCCAP		0x0800
#define MNCC_F_KEYPAD		0x1000
#define MNCC_F_SIGNAL		0x2000

struct gsm_mncc {
	/* context based information */
	uint32_t	msg_type;
	uint32_t	callref;

	/* which fields are present */
	uint32_t	fields;

	/* data derived informations (MNCC_F_ based) */
	struct gsm_mncc_bearer_cap	bearer_cap;
	struct gsm_mncc_number		called;
	struct gsm_mncc_number		calling;
	struct gsm_mncc_number		redirecting;
	struct gsm_mncc_number		connected;
	struct gsm_mncc_cause		cause;
	struct gsm_mncc_progress	progress;
	struct gsm_mncc_useruser	useruser;
	struct gsm_mncc_facility	facility;
	struct gsm_mncc_cccap		cccap;
	struct gsm_mncc_ssversion	ssversion;
	struct	{
		int		sup;
		int		inv;
	} clir;
	int		signal;

	/* data derived information, not MNCC_F based */
	int		keypad;
	int		more;
	int		notify; /* 0..127 */
	int		emergency;
	char		imsi[16];

	unsigned char	lchan_mode;
};

struct gsm_data_frame {
	uint32_t	msg_type;
	uint32_t	callref;
	unsigned char	data[0];
};

char *get_mncc_name(int value);
void mncc_set_cause(struct gsm_mncc *data, int loc, int val);
void cc_tx_to_mncc(struct gsm_network *net, struct msgb *msg);

/* input from CC code into mncc_builtin */
int int_mncc_recv(struct gsm_network *net, struct msgb *msg);

/* input from CC code into mncc_sock */
int mncc_sock_from_cc(struct gsm_network *net, struct msgb *msg);

int mncc_sock_init(struct gsm_network *gsmnet);

#endif