222 lines
5.4 KiB
C
222 lines
5.4 KiB
C
/* GSM Mobile Radio Interface Layer 3 messages on the A-bis interface
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* 3GPP TS 04.08 version 7.21.0 Release 1998 / ETSI TS 100 940 V7.21.0 */
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/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
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* (C) 2008, 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _MNCC_H
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#define _MNCC_H
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#include <osmocore/linuxlist.h>
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/* One end of a call */
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struct gsm_call {
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struct llist_head entry;
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/* network handle */
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void *net;
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/* the 'local' transaction */
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u_int32_t callref;
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/* the 'remote' transaction */
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u_int32_t remote_ref;
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};
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#define MNCC_SETUP_REQ 0x0101
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#define MNCC_SETUP_IND 0x0102
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#define MNCC_SETUP_RSP 0x0103
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#define MNCC_SETUP_CNF 0x0104
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#define MNCC_SETUP_COMPL_REQ 0x0105
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#define MNCC_SETUP_COMPL_IND 0x0106
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/* MNCC_REJ_* is perfomed via MNCC_REL_* */
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#define MNCC_CALL_CONF_IND 0x0107
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#define MNCC_CALL_PROC_REQ 0x0108
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#define MNCC_PROGRESS_REQ 0x0109
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#define MNCC_ALERT_REQ 0x010a
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#define MNCC_ALERT_IND 0x010b
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#define MNCC_NOTIFY_REQ 0x010c
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#define MNCC_NOTIFY_IND 0x010d
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#define MNCC_DISC_REQ 0x010e
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#define MNCC_DISC_IND 0x010f
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#define MNCC_REL_REQ 0x0110
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#define MNCC_REL_IND 0x0111
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#define MNCC_REL_CNF 0x0112
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#define MNCC_FACILITY_REQ 0x0113
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#define MNCC_FACILITY_IND 0x0114
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#define MNCC_START_DTMF_IND 0x0115
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#define MNCC_START_DTMF_RSP 0x0116
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#define MNCC_START_DTMF_REJ 0x0117
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#define MNCC_STOP_DTMF_IND 0x0118
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#define MNCC_STOP_DTMF_RSP 0x0119
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#define MNCC_MODIFY_REQ 0x011a
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#define MNCC_MODIFY_IND 0x011b
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#define MNCC_MODIFY_RSP 0x011c
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#define MNCC_MODIFY_CNF 0x011d
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#define MNCC_MODIFY_REJ 0x011e
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#define MNCC_HOLD_IND 0x011f
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#define MNCC_HOLD_CNF 0x0120
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#define MNCC_HOLD_REJ 0x0121
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#define MNCC_RETRIEVE_IND 0x0122
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#define MNCC_RETRIEVE_CNF 0x0123
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#define MNCC_RETRIEVE_REJ 0x0124
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#define MNCC_USERINFO_REQ 0x0125
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#define MNCC_USERINFO_IND 0x0126
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#define MNCC_REJ_REQ 0x0127
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#define MNCC_REJ_IND 0x0128
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#define MNCC_BRIDGE 0x0200
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#define MNCC_FRAME_RECV 0x0201
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#define MNCC_FRAME_DROP 0x0202
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#define MNCC_LCHAN_MODIFY 0x0203
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#define GSM_TCHF_FRAME 0x0300
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#define GSM_TCHF_FRAME_EFR 0x0301
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#define GSM_MAX_FACILITY 128
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#define GSM_MAX_SSVERSION 128
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#define GSM_MAX_USERUSER 128
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#define MNCC_F_BEARER_CAP 0x0001
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#define MNCC_F_CALLED 0x0002
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#define MNCC_F_CALLING 0x0004
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#define MNCC_F_REDIRECTING 0x0008
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#define MNCC_F_CONNECTED 0x0010
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#define MNCC_F_CAUSE 0x0020
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#define MNCC_F_USERUSER 0x0040
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#define MNCC_F_PROGRESS 0x0080
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#define MNCC_F_EMERGENCY 0x0100
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#define MNCC_F_FACILITY 0x0200
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#define MNCC_F_SSVERSION 0x0400
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#define MNCC_F_CCCAP 0x0800
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#define MNCC_F_KEYPAD 0x1000
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#define MNCC_F_SIGNAL 0x2000
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/* Expanded fields from GSM TS 04.08, Table 10.5.102 */
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struct gsm_mncc_bearer_cap {
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int transfer; /* Information Transfer Capability */
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int mode; /* Transfer Mode */
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int coding; /* Coding Standard */
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int radio; /* Radio Channel Requirement */
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int speech_ctm; /* CTM text telephony indication */
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int speech_ver[8]; /* Speech version indication */
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};
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struct gsm_mncc_number {
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int type;
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int plan;
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int present;
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int screen;
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char number[33];
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};
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struct gsm_mncc_cause {
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int location;
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int coding;
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int rec;
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int rec_val;
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int value;
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int diag_len;
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char diag[32];
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};
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struct gsm_mncc_useruser {
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int proto;
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char info[GSM_MAX_USERUSER + 1]; /* + termination char */
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};
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struct gsm_mncc_progress {
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int coding;
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int location;
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int descr;
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};
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struct gsm_mncc_facility {
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int len;
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char info[GSM_MAX_FACILITY];
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};
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struct gsm_mncc_ssversion {
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int len;
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char info[GSM_MAX_SSVERSION];
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};
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struct gsm_mncc_cccap {
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int dtmf;
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int pcp;
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};
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enum {
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GSM_MNCC_BCAP_SPEECH = 0,
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GSM_MNCC_BCAP_UNR_DIG = 1,
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GSM_MNCC_BCAP_AUDIO = 2,
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GSM_MNCC_BCAP_FAX_G3 = 3,
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GSM_MNCC_BCAP_OTHER_ITC = 5,
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GSM_MNCC_BCAP_RESERVED = 7,
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};
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struct gsm_mncc {
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/* context based information */
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u_int32_t msg_type;
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u_int32_t callref;
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/* which fields are present */
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u_int32_t fields;
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/* data derived informations (MNCC_F_ based) */
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struct gsm_mncc_bearer_cap bearer_cap;
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struct gsm_mncc_number called;
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struct gsm_mncc_number calling;
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struct gsm_mncc_number redirecting;
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struct gsm_mncc_number connected;
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struct gsm_mncc_cause cause;
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struct gsm_mncc_progress progress;
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struct gsm_mncc_useruser useruser;
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struct gsm_mncc_facility facility;
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struct gsm_mncc_cccap cccap;
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struct gsm_mncc_ssversion ssversion;
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struct {
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int sup;
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int inv;
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} clir;
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int signal;
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/* data derived information, not MNCC_F based */
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int keypad;
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int more;
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int notify; /* 0..127 */
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int emergency;
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char imsi[16];
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unsigned char lchan_mode;
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};
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struct gsm_data_frame {
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u_int32_t msg_type;
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u_int32_t callref;
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unsigned char data[0];
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};
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char *get_mncc_name(int value);
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int mncc_recv(struct gsm_network *net, int msg_type, void *arg);
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void mncc_set_cause(struct gsm_mncc *data, int loc, int val);
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#endif
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