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gsm0808.h
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1 
4 /*
5  * (C) 2009,2010 by Holger Hans Peter Freyther <zecke@selfish.org>
6  * (C) 2009,2010 by On-Waves
7  * All Rights Reserved
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22  *
23  */
24 #pragma once
25 
26 #include "tlv.h"
29 #include <osmocom/gsm/gsm23003.h>
30 #include <osmocom/core/utils.h>
31 
32 #define BSSMAP_MSG_SIZE 1024
33 #define BSSMAP_MSG_HEADROOM 512
34 
35 struct sockaddr_storage;
36 
37 struct msgb;
39 
40 struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc,
41  uint16_t cc, int lac, uint16_t _ci)
42  OSMO_DEPRECATED("Use gsm0808_create_layer3_2() instead, to not lose leading zeros in the MNC");
43 struct msgb *gsm0808_create_layer3_aoip(const struct msgb *msg_l3, uint16_t nc,
44  uint16_t cc, int lac, uint16_t _ci,
45  const struct gsm0808_speech_codec_list *scl)
46  OSMO_DEPRECATED("Use gsm0808_create_layer3_2() instead, to not lose leading zeros in the MNC");
47 struct msgb *gsm0808_create_layer3_2(const struct msgb *msg_l3, const struct osmo_cell_global_id *cell,
48  const struct gsm0808_speech_codec_list *scl);
49 struct msgb *gsm0808_create_reset(void);
50 struct msgb *gsm0808_create_reset_ack(void);
51 struct msgb *gsm0808_create_clear_command(uint8_t cause);
52 struct msgb *gsm0808_create_clear_command2(uint8_t cause, bool csfb_ind);
54 struct msgb *gsm0808_create_cipher(const struct gsm0808_encrypt_info *ei,
55  const uint8_t *cipher_response_mode);
56 struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id);
58 struct msgb *gsm0808_create_cipher_reject_ext(enum gsm0808_cause_class class, uint8_t ext);
60 struct msgb *gsm0808_create_classmark_update(const uint8_t *cm2, uint8_t cm2_len,
61  const uint8_t *cm3, uint8_t cm3_len);
62 struct msgb *gsm0808_create_sapi_reject(uint8_t link_id);
63 struct msgb *gsm0808_create_ass(const struct gsm0808_channel_type *ct,
64  const uint16_t *cic,
65  const struct sockaddr_storage *ss,
66  const struct gsm0808_speech_codec_list *scl,
67  const uint32_t *ci);
68 struct msgb *gsm0808_create_ass2(const struct gsm0808_channel_type *ct,
69  const uint16_t *cic,
70  const struct sockaddr_storage *ss,
71  const struct gsm0808_speech_codec_list *scl,
72  const uint32_t *ci,
73  const uint8_t *kc, const struct osmo_lcls *lcls);
74 struct msgb *gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel,
75  uint8_t encr_alg_id, uint8_t speech_mode,
76  const struct sockaddr_storage *ss,
77  const struct gsm0808_speech_codec *sc,
78  const struct gsm0808_speech_codec_list
79  *scl);
80 struct msgb *gsm0808_create_ass_compl2(uint8_t rr_cause, uint8_t chosen_channel,
81  uint8_t encr_alg_id, uint8_t speech_mode,
82  const struct sockaddr_storage *ss,
83  const struct gsm0808_speech_codec *sc,
84  const struct gsm0808_speech_codec_list *scl,
85  enum gsm0808_lcls_status lcls_bss_status);
86 struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause,
87  uint8_t chosen_channel,
88  uint8_t encr_alg_id,
89  uint8_t speech_mode);
90 struct msgb *gsm0808_create_ass_fail(uint8_t cause, const uint8_t *rr_cause,
91  const struct gsm0808_speech_codec_list
92  *scl);
93 struct msgb *gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause);
94 struct msgb *gsm0808_create_clear_rqst(uint8_t cause);
95 struct msgb *gsm0808_create_paging2(const char *imsi, const uint32_t *tmsi,
96  const struct gsm0808_cell_id_list2 *cil,
97  const uint8_t *chan_needed);
98 struct msgb *gsm0808_create_paging(const char *imsi, const uint32_t *tmsi,
99  const struct gsm0808_cell_id_list *cil,
100  const uint8_t *chan_needed)
101  OSMO_DEPRECATED("use gsm0808_create_paging2 instead");
103  enum gsm0808_lcls_control control);
105 struct msgb *gsm0808_create_lcls_notification(enum gsm0808_lcls_status status, bool break_req);
106 
107 
111  struct {
112  bool prec;
113  bool lcs;
114  bool ue_prob;
115  } extra_information;
116 
118  struct {
119  uint8_t mode;
120  uint8_t field;
121  } current_channel_type_2;
122 
123  /* more items are defined in the spec and may be added later */
124  bool more_items; /*< always set this to false */
125 };
126 
129  uint16_t cause;
131 
134 
137 
140 
141  /* more items are defined in the spec and may be added later */
142  bool more_items; /*< always set this to false */
143 };
145 
146 struct msgb *gsm0808_create_handover_request_ack(const uint8_t *l3_info, uint8_t l3_info_len,
147  uint8_t chosen_channel, uint8_t chosen_encr_alg,
148  uint8_t chosen_speech_version);
149 
151 
154  uint8_t rr_cause;
155 
158 
159  struct gsm0808_speech_codec_list codec_list_bss_supported; /*< omit when .len == 0 */
160 
163 
165  uint8_t chosen_channel;
166 
169 
170  /* more items are defined in the spec and may be added later */
171  bool more_items; /*< always set this to false */
172 };
174 
176  uint16_t cause;
177 
179  uint8_t rr_cause;
180 
181  struct gsm0808_speech_codec_list codec_list_bss_supported; /*< omit when .len == 0 */
182 
183  /* more items are defined in the spec and may be added later */
184  bool more_items; /*< always set this to false */
185 };
187 
189  uint16_t cause;
191 
193  uint8_t chosen_channel;
194 
197 
200 
203 
206 
207  /* more items are defined in the spec and may be added later */
208  bool more_items; /*< always set this to false */
209 };
211 
212 struct msgb *gsm0808_create_dtap(struct msgb *msg, uint8_t link_id);
213 void gsm0808_prepend_dtap_header(struct msgb *msg, uint8_t link_id);
214 
215 const struct tlv_definition *gsm0808_att_tlvdef(void);
216 
218 #define osmo_bssap_tlv_parse(dec, buf, len) tlv_parse(dec, gsm0808_att_tlvdef(), buf, len, 0, 0)
219 
220 const char *gsm0808_bssmap_name(uint8_t msg_type);
221 const char *gsm0808_bssap_name(uint8_t msg_type);
222 const char *gsm0808_cause_name(enum gsm0808_cause cause);
223 const char *gsm0808_cause_class_name(enum gsm0808_cause_class class);
224 
225 extern const struct value_string gsm0808_lcls_config_names[];
226 extern const struct value_string gsm0808_lcls_control_names[];
227 extern const struct value_string gsm0808_lcls_status_names[];
228 
229 static inline const char *gsm0808_lcls_config_name(enum gsm0808_lcls_config val) {
231 }
232 static inline const char *gsm0808_lcls_control_name(enum gsm0808_lcls_control val) {
234 }
235 static inline const char *gsm0808_lcls_status_name(enum gsm0808_lcls_status val) {
237 }
238 
uint8_t msg_type
Definition: gsm_04_08.h:823
const struct value_string gsm0808_lcls_status_names[]
Definition: gsm0808.c:1475
struct msgb * gsm0808_create_assignment_completed(uint8_t rr_cause, uint8_t chosen_channel, uint8_t encr_alg_id, uint8_t speech_mode)
Create BSSMAP Assignment Completed message.
Definition: gsm0808.c:635
bool prec
Definition: gsm0808.h:112
struct gsm0808_cell_id_list2 cil
Definition: gsm0808.h:130
const char * gsm0808_cause_class_name(enum gsm0808_cause_class class)
Return string name of BSSMAP Cause Class name.
Definition: gsm0808.c:1438
bool speech_version_used_present
Definition: gsm0808.h:135
struct msgb * gsm0808_create_handover_detect()
Create BSSMAP HANDOVER DETECT message, 3GPP TS 48.008 3.2.1.40.
Definition: gsm0808.c:893
bool old_bss_to_new_bss_info_present
Definition: gsm0808.h:138
struct msgb * gsm0808_create_reset_ack(void)
Create BSSMAP RESET ACK message.
Definition: gsm0808.c:152
struct msgb * gsm0808_create_assignment_failure(uint8_t cause, uint8_t *rr_cause)
Create BSSMAP Assignment Failure message.
Definition: gsm0808.c:682
const char * get_value_string(const struct value_string *vs, uint32_t val)
Parsed representation of a Cell Identifier List IE (3GPP TS 48.008 3.2.2.27).
Definition: gsm0808_utils.h:56
struct msgb * gsm0808_create_cipher_reject_ext(enum gsm0808_cause_class class, uint8_t ext)
Create BSSMAP Cipher Mode Reject message.
Definition: gsm0808.c:312
struct gsm0808_speech_codec_list codec_list_bss_supported
Definition: gsm0808.h:181
struct msgb * gsm0808_create_lcls_conn_ctrl(enum gsm0808_lcls_config config, enum gsm0808_lcls_control control)
Create BSSMAP LCLS CONNECT CONTROL message (TS 48.008 3.2.1.91).
Definition: gsm0808.c:340
uint8_t field
Definition: gsm0808.h:120
gsm0808_cause_class
Definition: gsm_08_08.h:398
uint16_t cause
Definition: gsm0808.h:129
write Write running configuration to or terminal n Write configuration to the copy running config startup config
LCLS-related parameters from 3GPP TS 48.008.
Definition: gsm0808_utils.h:63
struct msgb * gsm0808_create_paging(const char *imsi, const uint32_t *tmsi, const struct gsm0808_cell_id_list *cil, const uint8_t *chan_needed) OSMO_DEPRECATED("use gsm0808_create_paging2 instead")
DEPRECATED: Use gsm0808_create_paging2 instead.
Definition: gsm0808.c:771
struct msgb * gsm0808_create_sapi_reject(uint8_t link_id)
Create BSSMAP SAPI N Reject message.
Definition: gsm0808.c:442
struct msgb * gsm0808_create_cipher_reject(enum gsm0808_cause cause)
Create BSSMAP Cipher Mode Reject message.
Definition: gsm0808.c:292
gsm0808_lcls_control
Definition: gsm_08_08.h:621
gsm0808_lcls_status
Definition: gsm_08_08.h:631
uint8_t rr_cause
Definition: gsm0808.h:179
struct gsm0808_speech_codec_list codec_list_bss_supported
Definition: gsm0808.h:159
struct msgb * gsm0808_create_paging2(const char *imsi, const uint32_t *tmsi, const struct gsm0808_cell_id_list2 *cil, const uint8_t *chan_needed)
Create BSSMAP PAGING message.
Definition: gsm0808.c:713
struct msgb * gsm0808_create_reset(void)
Create BSSMAP RESET message.
Definition: gsm0808.c:135
uint16_t cause
Definition: gsm0808.h:189
struct msgb * gsm0808_create_clear_command2(uint8_t cause, bool csfb_ind)
Create BSSMAP Clear Command message.
Definition: gsm0808.c:205
uint8_t cause
Definition: gsm_04_08.h:823
bool more_items
Definition: gsm0808.h:142
bool more_items
Definition: gsm0808.h:208
struct msgb * gsm0808_create_ass_fail(uint8_t cause, const uint8_t *rr_cause, const struct gsm0808_speech_codec_list *scl)
Create BSSMAP Assignment Failure message.
Definition: gsm0808.c:649
struct msgb * gsm0808_create_handover_required(const struct gsm0808_handover_required *params)
Create BSSMAP HANDOVER REQUIRED message.
Definition: gsm0808.c:826
uint8_t speech_version_chosen
Definition: gsm0808.h:199
uint8_t link_id
Definition: gsm_08_08.h:470
struct gsm0808_speech_codec speech_codec_chosen
Definition: gsm0808.h:157
static const char * gsm0808_lcls_control_name(enum gsm0808_lcls_control val)
Definition: gsm0808.h:232
struct msgb * gsm0808_create_lcls_conn_ctrl_ack(enum gsm0808_lcls_status status)
Create BSSMAP LCLS CONNECT CONTROL ACK message (TS 48.008 3.2.1.92).
Definition: gsm0808.c:366
struct msgb * gsm0808_create_classmark_request()
Create BSSMAP Classmark Request message.
Definition: gsm0808.c:402
bool more_items
Definition: gsm0808.h:124
struct msgb * gsm0808_create_classmark_update(const uint8_t *cm2, uint8_t cm2_len, const uint8_t *cm3, uint8_t cm3_len)
Create BSSMAP Classmark Update message.
Definition: gsm0808.c:420
struct msgb * gsm0808_create_dtap(struct msgb *msg, uint8_t link_id)
Create BSSMAP DTAP message.
Definition: gsm0808.c:1040
Definition: gsm_08_08.h:572
Definition: gsm0808.h:152
const char * gsm0808_bssmap_name(uint8_t msg_type)
Return string name of BSSMAP Message Type.
Definition: gsm0808.c:1301
bool chosen_channel_present
Definition: gsm0808.h:164
struct msgb * gsm0808_create_handover_complete(const struct gsm0808_handover_complete *params)
Create BSSMAP HANDOVER COMPLETE message, 3GPP TS 48.008 3.2.1.12.
Definition: gsm0808.c:912
uint8_t rr_cause
Definition: gsm_04_08.h:821
3GPP TS 48.008 §3.2.1.9 HANDOVER REQUIRED
Definition: gsm0808.h:128
struct msgb * gsm0808_create_cipher(const struct gsm0808_encrypt_info *ei, const uint8_t *cipher_response_mode)
Create BSSMAP Cipher Mode Command message.
Definition: gsm0808.c:227
bool speech_version_chosen_present
Definition: gsm0808.h:198
struct msgb to not lose leading zeros in the MNC
Definition: gsm0808.h:42
struct gsm0808_cell_id cell_id
Definition: gsm0808.h:190
uint8_t chosen_channel
Definition: gsm0808.h:193
struct gsm0808_speech_codec speech_codec_chosen
Definition: gsm0808.h:202
struct msgb * gsm0808_create_layer3_aoip(const struct msgb *msg_l3, uint16_t nc, uint16_t cc, int lac, uint16_t _ci, const struct gsm0808_speech_codec_list *scl) OSMO_DEPRECATED("Use gsm0808_create_layer3_2() instead
Create "Complete L3 Info" for AoIP, legacy implementation.
Definition: gsm0808.c:46
struct msgb * gsm0808_create_ass(const struct gsm0808_channel_type *ct, const uint16_t *cic, const struct sockaddr_storage *ss, const struct gsm0808_speech_codec_list *scl, const uint32_t *ci)
Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1.
Definition: gsm0808.c:538
const struct tlv_definition * gsm0808_att_tlvdef(void)
Definition: gsm0808.c:1195
gsm0808_cause
Definition: gsm_08_08.h:331
bool ue_prob
Definition: gsm0808.h:114
Definition: gsm23003.h:28
const char * gsm0808_bssap_name(uint8_t msg_type)
Return string name of BSSAP Message Type.
Definition: gsm0808.c:1313
static const char * gsm0808_lcls_config_name(enum gsm0808_lcls_config val)
Definition: gsm0808.h:229
uint16_t cause
Definition: gsm0808.h:176
const struct value_string gsm0808_lcls_control_names[]
Definition: gsm0808.c:1465
3GPP TS 48.008 §3.2.2.5.8 Old BSS to New BSS information
Definition: gsm0808.h:109
bool lcls_bss_status_present
Definition: gsm0808.h:167
struct gsm48_classmark2 cm2
Definition: gsm_04_08.h:822
bool chosen_channel_present
Definition: gsm0808.h:192
struct msgb * gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel, uint8_t encr_alg_id, uint8_t speech_mode, const struct sockaddr_storage *ss, const struct gsm0808_speech_codec *sc, const struct gsm0808_speech_codec_list *scl)
Create BSSMAP Assignment Completed message.
Definition: gsm0808.c:619
bool chosen_encr_alg_present
Definition: gsm0808.h:195
uint8_t chosen_encr_alg
Definition: gsm0808.h:162
struct gsm0808_old_bss_to_new_bss_info old_bss_to_new_bss_info
Definition: gsm0808.h:139
Definition: gsm0808.h:188
uint8_t speech_version_used
Definition: gsm0808.h:136
struct msgb * gsm0808_create_clear_complete(void)
Create BSSMAP Clear Complete message.
Definition: gsm0808.c:167
Definition: gsm0808.h:175
const struct value_string gsm0808_lcls_config_names[]
Definition: gsm0808.c:1449
struct msgb * gsm0808_create_clear_rqst(uint8_t cause)
Create BSSMAP Clear Request message.
Definition: gsm0808.c:691
bool lcs
Definition: gsm0808.h:113
uint8_t mode
Definition: gsm0808.h:119
bool chosen_encr_alg_present
Definition: gsm0808.h:161
Definition: gsm_08_08.h:579
uint8_t chosen_encr_alg
Definition: gsm0808.h:196
uint8_t chosen_channel
Definition: gsm0808.h:165
bool more_items
Definition: gsm0808.h:184
bool lcls_bss_status_present
Definition: gsm0808.h:204
struct msgb * gsm0808_create_layer3_2(const struct msgb *msg_l3, const struct osmo_cell_global_id *cell, const struct gsm0808_speech_codec_list *scl)
Create "Complete L3 Info" for AoIP.
Definition: gsm0808.c:69
bool rr_cause_present
Definition: gsm0808.h:178
bool speech_codec_chosen_present
Definition: gsm0808.h:201
struct msgb * gsm0808_create_handover_performed(const struct gsm0808_handover_performed *params)
Create BSSMAP HANDOVER PERFORMED message, 3GPP TS 48.008 3.2.1.25.
Definition: gsm0808.c:982
bool more_items
Definition: gsm0808.h:171
struct msgb * gsm0808_create_handover_failure(const struct gsm0808_handover_failure *params)
Create BSSMAP HANDOVER FAILURE message, 3GPP TS 48.008 3.2.1.16.
Definition: gsm0808.c:951
struct msgb * gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, uint16_t cc, int lac, uint16_t _ci) OSMO_DEPRECATED("Use gsm0808_create_layer3_2() instead
Create "Complete L3 Info" for A, legacy implementation.
Definition: gsm0808.c:117
struct msgb * gsm0808_create_clear_command(uint8_t cause)
Create BSSMAP Clear Command message with BSSAP header before l3h and BSSMAP in l3h.
Definition: gsm0808.c:187
struct msgb * gsm0808_create_ass2(const struct gsm0808_channel_type *ct, const uint16_t *cic, const struct sockaddr_storage *ss, const struct gsm0808_speech_codec_list *scl, const uint32_t *ci, const uint8_t *kc, const struct osmo_lcls *lcls)
Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1.
Definition: gsm0808.c:468
bool extra_information_present
Definition: gsm0808.h:110
struct msgb * gsm0808_create_handover_request_ack(const uint8_t *l3_info, uint8_t l3_info_len, uint8_t chosen_channel, uint8_t chosen_encr_alg, uint8_t chosen_speech_version)
Create BSSMAP HANDOVER REQUEST ACKNOWLEDGE message, 3GPP TS 48.008 3.2.1.10.
Definition: gsm0808.c:863
enum gsm0808_lcls_status lcls_bss_status
Definition: gsm0808.h:168
bool rr_cause_present
Definition: gsm0808.h:153
const char * gsm0808_cause_name(enum gsm0808_cause cause)
Return string name of BSSMAP Cause name.
Definition: gsm0808.c:1444
Definition: gsm_08_08.h:589
uint8_t rr_cause
Definition: gsm0808.h:154
uint8_t current_channel_type_1
Definition: gsm0808.h:133
uint8_t cm2_len
Definition: gsm_04_08.h:821
Definition of All 256 IE / TLV.
Definition: tlv.h:437
bool current_channel_type_2_present
Definition: gsm0808.h:117
struct msgb * gsm0808_create_lcls_notification(enum gsm0808_lcls_status status, bool break_req)
Create BSSMAP LCLS NOTIFICATION message (TS 48.008 3.2.1.93).
Definition: gsm0808.c:384
static const char * gsm0808_lcls_status_name(enum gsm0808_lcls_status val)
Definition: gsm0808.h:235
Parsed representation of Cell Identifier IE (3GPP TS 48.008 3.2.2.17)
Definition: gsm0808_utils.h:50
uint16_t lac
Definition: gsm_04_08.h:822
gsm0808_lcls_config
Definition: gsm_08_08.h:610
bool current_channel_type_1_present
Definition: gsm0808.h:132
_parse instead
Definition: ipa.h:30
void gsm0808_prepend_dtap_header(struct msgb *msg, uint8_t link_id)
Prepend a DTAP header to given Message Buffer.
Definition: gsm0808.c:1028
bool speech_codec_chosen_present
Definition: gsm0808.h:156
struct msgb * gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id)
Create BSSMAP Cipher Mode Complete message.
Definition: gsm0808.c:264
enum gsm0808_lcls_status lcls_bss_status
Definition: gsm0808.h:205
struct msgb * gsm0808_create_ass_compl2(uint8_t rr_cause, uint8_t chosen_channel, uint8_t encr_alg_id, uint8_t speech_mode, const struct sockaddr_storage *ss, const struct gsm0808_speech_codec *sc, const struct gsm0808_speech_codec_list *scl, enum gsm0808_lcls_status lcls_bss_status)
Create BSSMAP Assignment Completed message as per 3GPP TS 48.008 §3.2.1.2.
Definition: gsm0808.c:557
DEPRECATED: This definition of the cell identifier list is insufficient.
Definition: gsm_08_08.h:603
Definition: gsm_08_08.h:512