Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 1 | /* |
| 2 | * (C) 2009,2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 3 | * (C) 2009,2010 by On-Waves |
| 4 | * All Rights Reserved |
| 5 | * |
Harald Welte | e08da97 | 2017-11-13 01:00:26 +0900 | [diff] [blame] | 6 | * SPDX-License-Identifier: GPL-2.0+ |
| 7 | * |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 18 | */ |
| 19 | |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 20 | #include "config.h" |
| 21 | |
Alexander Chemeris | 22630e6 | 2020-05-13 00:44:04 +0300 | [diff] [blame] | 22 | #include <string.h> |
| 23 | |
Harald Welte | 95871da | 2017-05-15 12:11:36 +0200 | [diff] [blame] | 24 | #include <osmocom/core/byteswap.h> |
Philipp Maier | 2908dbf | 2020-06-05 14:16:11 +0200 | [diff] [blame] | 25 | #include <osmocom/core/endian.h> |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 26 | #include <osmocom/gsm/gsm0808.h> |
Neels Hofmeyr | 5b214e2 | 2020-09-18 18:00:50 +0200 | [diff] [blame] | 27 | #include <osmocom/gsm/gsm0808_lcs.h> |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 28 | #include <osmocom/gsm/gsm0808_utils.h> |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 29 | #include <osmocom/gsm/protocol/gsm_08_08.h> |
| 30 | #include <osmocom/gsm/gsm48.h> |
Neels Hofmeyr | 5b214e2 | 2020-09-18 18:00:50 +0200 | [diff] [blame] | 31 | #include <osmocom/gsm/gad.h> |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 32 | |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 33 | /*! \addtogroup gsm0808 |
| 34 | * @{ |
Harald Welte | 37b6165 | 2017-10-16 18:46:03 +0200 | [diff] [blame] | 35 | * \file gsm0808.c |
| 36 | * Helper functions regarding the TS 08.08 / 48.008 A interface, primarily |
| 37 | * message generation/encoding. |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 38 | */ |
| 39 | |
Alexander Chemeris | 22630e6 | 2020-05-13 00:44:04 +0300 | [diff] [blame] | 40 | /*! Char buffer to return strings from functions */ |
| 41 | static __thread char str_buff[512]; |
| 42 | |
Neels Hofmeyr | c4fce14 | 2018-02-20 13:47:08 +0100 | [diff] [blame] | 43 | /*! Create "Complete L3 Info" for AoIP, legacy implementation. |
| 44 | * Instead use gsm0808_create_layer3_aoip2(), which is capable of three-digit MNC with leading zeros. |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 45 | * \param[in] msg_l3 msgb containing Layer 3 Message |
| 46 | * \param[in] nc Mobile Network Code |
| 47 | * \param[in] cc Mobile Country Code |
| 48 | * \param[in] lac Location Area Code |
| 49 | * \param[in] _ci Cell Identity |
| 50 | * \param[in] scl Speech Codec List |
| 51 | * \returns callee-allocated msgb with Complete L3 Info message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 52 | struct msgb *gsm0808_create_layer3_aoip(const struct msgb *msg_l3, uint16_t nc, |
| 53 | uint16_t cc, int lac, uint16_t _ci, |
| 54 | const struct gsm0808_speech_codec_list |
| 55 | *scl) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 56 | { |
Neels Hofmeyr | c4fce14 | 2018-02-20 13:47:08 +0100 | [diff] [blame] | 57 | struct osmo_cell_global_id cgi = { |
| 58 | .lai = { |
| 59 | .plmn = { |
| 60 | .mcc = cc, |
| 61 | .mnc = nc, |
| 62 | }, |
| 63 | .lac = lac, |
| 64 | }, |
| 65 | .cell_identity = _ci, |
| 66 | }; |
| 67 | return gsm0808_create_layer3_2(msg_l3, &cgi, scl); |
| 68 | } |
| 69 | |
| 70 | /*! Create "Complete L3 Info" for AoIP. |
| 71 | * \param[in] msg_l3 msgb containing Layer 3 Message -- not modified by this call. |
| 72 | * \param[in] cell MCC, MNC, LAC, CI to identify the cell. |
| 73 | * \param[in] scl Speech Codec List, optional. |
| 74 | * \returns newly allocated msgb with Complete L3 Info message */ |
| 75 | struct msgb *gsm0808_create_layer3_2(const struct msgb *msg_l3, const struct osmo_cell_global_id *cell, |
| 76 | const struct gsm0808_speech_codec_list *scl) |
| 77 | { |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 78 | struct msgb* msg; |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 79 | struct { |
| 80 | uint8_t ident; |
| 81 | struct gsm48_loc_area_id lai; |
| 82 | uint16_t ci; |
| 83 | } __attribute__ ((packed)) lai_ci; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 84 | |
| 85 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 86 | "bssmap cmpl l3"); |
| 87 | if (!msg) |
| 88 | return NULL; |
| 89 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 90 | /* create layer 3 header */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 91 | msgb_v_put(msg, BSS_MAP_MSG_COMPLETE_LAYER_3); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 92 | |
| 93 | /* create the cell header */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 94 | lai_ci.ident = CELL_IDENT_WHOLE_GLOBAL; |
Neels Hofmeyr | c4fce14 | 2018-02-20 13:47:08 +0100 | [diff] [blame] | 95 | gsm48_generate_lai2(&lai_ci.lai, &cell->lai); |
| 96 | lai_ci.ci = osmo_htons(cell->cell_identity); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 97 | msgb_tlv_put(msg, GSM0808_IE_CELL_IDENTIFIER, sizeof(lai_ci), |
| 98 | (uint8_t *) &lai_ci); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 99 | |
| 100 | /* copy the layer3 data */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 101 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, |
| 102 | msgb_l3len(msg_l3), msg_l3->l3h); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 103 | |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 104 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 105 | if (scl) { |
| 106 | if (gsm0808_enc_speech_codec_list2(msg, scl) < 0) |
| 107 | goto exit_free; |
| 108 | } |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 109 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 110 | /* push the bssmap header */ |
| 111 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 112 | |
| 113 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 114 | |
| 115 | exit_free: |
| 116 | msgb_free(msg); |
| 117 | return NULL; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 118 | } |
| 119 | |
Neels Hofmeyr | c4fce14 | 2018-02-20 13:47:08 +0100 | [diff] [blame] | 120 | /*! Create "Complete L3 Info" for A, legacy implementation. |
| 121 | * Instead use gsm0808_create_layer3_2() with the scl parameter passed as NULL, |
| 122 | * which is capable of three-digit MNC with leading zeros. |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 123 | * \param[in] msg_l3 msgb containing Layer 3 Message |
| 124 | * \param[in] nc Mobile Network Code |
| 125 | * \param[in] cc Mobile Country Code |
| 126 | * \param[in] lac Location Area Code |
| 127 | * \param[in] _ci Cell Identity |
| 128 | * \returns callee-allocated msgb with Complete L3 Info message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 129 | struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, |
| 130 | uint16_t cc, int lac, uint16_t _ci) |
| 131 | { |
Neels Hofmeyr | 4eeb808 | 2018-03-23 01:47:14 +0100 | [diff] [blame] | 132 | struct osmo_cell_global_id cgi = { |
| 133 | .lai = { |
| 134 | .plmn = { |
| 135 | .mcc = cc, |
| 136 | .mnc = nc, |
| 137 | }, |
| 138 | .lac = lac, |
| 139 | }, |
| 140 | .cell_identity = _ci, |
| 141 | }; |
| 142 | return gsm0808_create_layer3_2(msg_l3, &cgi, NULL); |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 143 | } |
| 144 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 145 | /*! Create BSSMAP RESET message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 146 | * \returns callee-allocated msgb with BSSMAP Reset message */ |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 147 | struct msgb *gsm0808_create_reset(void) |
| 148 | { |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 149 | uint8_t cause = GSM0808_CAUSE_EQUIPMENT_FAILURE; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 150 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 151 | "bssmap: reset"); |
| 152 | if (!msg) |
| 153 | return NULL; |
| 154 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 155 | msgb_v_put(msg, BSS_MAP_MSG_RESET); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 156 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 157 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 158 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 159 | return msg; |
| 160 | } |
| 161 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 162 | /*! Create BSSMAP RESET ACK message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 163 | * \returns callee-allocated msgb with BSSMAP Reset ACK message */ |
Harald Welte | a62fe31 | 2013-06-19 15:14:37 +0200 | [diff] [blame] | 164 | struct msgb *gsm0808_create_reset_ack(void) |
| 165 | { |
| 166 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 167 | "bssmap: reset ack"); |
| 168 | if (!msg) |
| 169 | return NULL; |
| 170 | |
| 171 | msgb_v_put(msg, BSS_MAP_MSG_RESET_ACKNOWLEDGE); |
| 172 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 173 | |
| 174 | return msg; |
| 175 | } |
| 176 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 177 | /*! Create BSSMAP Clear Complete message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 178 | * \returns callee-allocated msgb with BSSMAP Clear Complete message */ |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 179 | struct msgb *gsm0808_create_clear_complete(void) |
| 180 | { |
| 181 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 182 | "bssmap: clear complete"); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 183 | uint8_t val = BSS_MAP_MSG_CLEAR_COMPLETE; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 184 | if (!msg) |
| 185 | return NULL; |
| 186 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 187 | msg->l3h = msg->data; |
| 188 | msgb_tlv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 1, &val); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 189 | |
| 190 | return msg; |
| 191 | } |
| 192 | |
Harald Welte | d1365e1 | 2019-02-18 13:44:30 +0100 | [diff] [blame] | 193 | /*! Create BSSMAP Clear Command message with BSSAP header *before* l3h and BSSMAP in l3h. |
| 194 | * This is quite different from most (all?) other gsm0808_create_* which have l3h |
| 195 | * point to the BSSAP header. However, we have to keep this for backwards compatibility. |
| 196 | * Use gsm0808_create_clear_command2() for a 'modern' implementation. |
Philipp Maier | 1a146c8 | 2018-10-30 09:36:49 +0100 | [diff] [blame] | 197 | * \param[in] cause TS 08.08 cause value |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 198 | * \returns callee-allocated msgb with BSSMAP Clear Command message */ |
Philipp Maier | 1a146c8 | 2018-10-30 09:36:49 +0100 | [diff] [blame] | 199 | struct msgb *gsm0808_create_clear_command(uint8_t cause) |
Holger Hans Peter Freyther | a3f05d8 | 2010-10-27 11:49:24 +0200 | [diff] [blame] | 200 | { |
| 201 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 202 | "bssmap: clear command"); |
| 203 | if (!msg) |
| 204 | return NULL; |
| 205 | |
Holger Hans Peter Freyther | aeebe39 | 2010-10-27 12:36:05 +0200 | [diff] [blame] | 206 | msg->l3h = msgb_tv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 4); |
| 207 | msgb_v_put(msg, BSS_MAP_MSG_CLEAR_CMD); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 208 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 209 | |
Holger Hans Peter Freyther | a3f05d8 | 2010-10-27 11:49:24 +0200 | [diff] [blame] | 210 | return msg; |
| 211 | } |
| 212 | |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 213 | /*! Create BSSMAP Clear Command message. |
| 214 | * \param[in] cause TS 08.08 cause value. |
| 215 | * \param[in] csfb_ind indicate that the call was established in an CSFB context. |
| 216 | * \returns callee-allocated msgb with BSSMAP Clear Command message. */ |
| 217 | struct msgb *gsm0808_create_clear_command2(uint8_t cause, bool csfb_ind) |
| 218 | { |
Harald Welte | 10ba47d | 2019-02-18 12:36:54 +0100 | [diff] [blame] | 219 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 220 | "bssmap: clear command"); |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 221 | if (!msg) |
| 222 | return NULL; |
| 223 | |
Harald Welte | 10ba47d | 2019-02-18 12:36:54 +0100 | [diff] [blame] | 224 | msgb_v_put(msg, BSS_MAP_MSG_CLEAR_CMD); |
| 225 | gsm0808_enc_cause(msg, cause); |
| 226 | |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 227 | if (csfb_ind) |
| 228 | msgb_v_put(msg, GSM0808_IE_CSFB_INDICATION); |
| 229 | |
Harald Welte | 10ba47d | 2019-02-18 12:36:54 +0100 | [diff] [blame] | 230 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 231 | |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 232 | return msg; |
| 233 | } |
| 234 | |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 235 | /*! Superseded by gsm0808_create_cipher2() to include Kc128. |
| 236 | * Create BSSMAP Cipher Mode Command message (without Kc128). |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 237 | * \param[in] ei Mandatory Encryption Information |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 238 | * \param[in] kc128 optional kc128 key for A5/4 |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 239 | * \param[in] cipher_response_mode optional 1-byte Cipher Response Mode |
| 240 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Command message */ |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 241 | struct msgb *gsm0808_create_cipher(const struct gsm0808_encrypt_info *ei, |
| 242 | const uint8_t *cipher_response_mode) |
| 243 | { |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 244 | struct gsm0808_cipher_mode_command cmc = { |
| 245 | .ei = *ei, |
| 246 | .cipher_response_mode_present = (cipher_response_mode != NULL), |
| 247 | .cipher_response_mode = (cipher_response_mode ? *cipher_response_mode : 0), |
| 248 | }; |
| 249 | return gsm0808_create_cipher2(&cmc); |
| 250 | } |
| 251 | |
| 252 | /*! Create BSSMAP Cipher Mode Command message. |
| 253 | * \param[in] cmc Information to encode. |
| 254 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Command message */ |
| 255 | struct msgb *gsm0808_create_cipher2(const struct gsm0808_cipher_mode_command *cmc) |
| 256 | { |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 257 | /* See also: 3GPP TS 48.008 3.2.1.30 CIPHER MODE COMMAND */ |
| 258 | struct msgb *msg; |
| 259 | |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 260 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "cipher-mode-command"); |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 261 | if (!msg) |
| 262 | return NULL; |
| 263 | |
| 264 | /* Message Type 3.2.2.1 */ |
| 265 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_CMD); |
| 266 | |
| 267 | /* Encryption Information 3.2.2.10 */ |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 268 | gsm0808_enc_encrypt_info(msg, &cmc->ei); |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 269 | |
| 270 | /* Cipher Response Mode 3.2.2.34 */ |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 271 | if (cmc->cipher_response_mode_present) |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 272 | msgb_tv_put(msg, GSM0808_IE_CIPHER_RESPONSE_MODE, |
Neels Hofmeyr | 4a9756c | 2021-06-10 00:48:15 +0200 | [diff] [blame] | 273 | cmc->cipher_response_mode); |
| 274 | |
| 275 | /* Kc128 3.2.2.109 */ |
| 276 | if (cmc->kc128_present) |
| 277 | gsm0808_enc_kc128(msg, cmc->kc128); |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 278 | |
| 279 | /* pre-pend the header */ |
| 280 | msg->l3h = |
| 281 | msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 282 | |
| 283 | return msg; |
| 284 | } |
| 285 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 286 | /*! Create BSSMAP Cipher Mode Complete message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 287 | * \param[in] layer3 L3 Message to be included |
| 288 | * \param[in] alg_id Chosen Encrpytion Algorithm |
| 289 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Complete message */ |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 290 | struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id) |
| 291 | { |
| 292 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 293 | "cipher-complete"); |
| 294 | if (!msg) |
| 295 | return NULL; |
| 296 | |
| 297 | /* send response with BSS override for A5/1... cheating */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 298 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_COMPLETE); |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 299 | |
| 300 | /* include layer3 in case we have at least two octets */ |
| 301 | if (layer3 && msgb_l3len(layer3) > 2) { |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 302 | msg->l4h = msgb_tlv_put(msg, GSM0808_IE_LAYER_3_MESSAGE_CONTENTS, |
| 303 | msgb_l3len(layer3), layer3->l3h); |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 304 | } |
| 305 | |
Vadim Yanitskiy | ecaf5fa | 2020-08-31 19:10:39 +0700 | [diff] [blame] | 306 | /* Optional Chosen Encryption Algorithm IE */ |
| 307 | if (alg_id > 0) |
| 308 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, alg_id); |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 309 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 310 | /* pre-pend the header */ |
| 311 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 312 | |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 313 | return msg; |
| 314 | } |
| 315 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 316 | /*! Create BSSMAP Cipher Mode Reject message |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 317 | * \param[in] cause 3GPP TS 08.08 §3.2.2.5 cause value |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 318 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Reject message */ |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 319 | struct msgb *gsm0808_create_cipher_reject(enum gsm0808_cause cause) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 320 | { |
| 321 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 322 | "bssmap: cipher mode reject"); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 323 | if (!msg) |
| 324 | return NULL; |
| 325 | |
Harald Welte | 62e4085 | 2017-12-17 20:50:34 +0100 | [diff] [blame] | 326 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_REJECT); |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 327 | |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 328 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 329 | |
| 330 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 331 | |
| 332 | return msg; |
| 333 | } |
| 334 | |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 335 | /*! Create BSSMAP Cipher Mode Reject message |
| 336 | * \param[in] class 3GPP TS 08.08 §3.2.2.5 cause's class |
| 337 | * \param[in] ext 3GPP TS 08.08 §3.2.2.5 cause value (national application extension) |
| 338 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Reject message */ |
| 339 | struct msgb *gsm0808_create_cipher_reject_ext(enum gsm0808_cause_class class, uint8_t ext) |
| 340 | { |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 341 | uint16_t cause; |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 342 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 343 | "bssmap: cipher mode reject"); |
| 344 | if (!msg) |
| 345 | return NULL; |
| 346 | |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 347 | /* Set cause code class in the upper byte */ |
| 348 | cause = 0x80 | (class << 4); |
| 349 | cause = cause << 8; |
| 350 | |
| 351 | /* Set cause code extension in the lower byte */ |
| 352 | cause |= ext; |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 353 | |
| 354 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_REJECT); |
| 355 | |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 356 | gsm0808_enc_cause(msg, cause); |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 357 | |
| 358 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 359 | |
| 360 | return msg; |
| 361 | } |
| 362 | |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 363 | /*! Create BSSMAP LCLS CONNECT CONTROL message (TS 48.008 3.2.1.91). |
| 364 | * \param[in] config LCLS Configuration |
| 365 | * \param[in] control LCLS Connection Status Control |
| 366 | * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
Max | 45f89c9 | 2018-12-19 19:35:26 +0100 | [diff] [blame] | 367 | struct msgb *gsm0808_create_lcls_conn_ctrl(enum gsm0808_lcls_config config, |
| 368 | enum gsm0808_lcls_control control) |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 369 | { |
Max | 45f89c9 | 2018-12-19 19:35:26 +0100 | [diff] [blame] | 370 | struct msgb *msg; |
| 371 | |
| 372 | /* According to NOTE 1 in §3.2.1.91 at least one of the parameters is required */ |
| 373 | if (config == GSM0808_LCLS_CFG_NA && control == GSM0808_LCLS_CSC_NA) |
| 374 | return NULL; |
| 375 | |
| 376 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "bssmap: LCLS CONN CTRL"); |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 377 | if (!msg) |
| 378 | return NULL; |
| 379 | |
| 380 | msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL); |
Max | 45f89c9 | 2018-12-19 19:35:26 +0100 | [diff] [blame] | 381 | if (config != GSM0808_LCLS_CFG_NA) |
| 382 | msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, config); |
| 383 | if (control != GSM0808_LCLS_CSC_NA) |
Keith Whyte | e852544 | 2022-10-06 01:01:47 +0100 | [diff] [blame] | 384 | msgb_tv_put(msg, GSM0808_IE_LCLS_CONN_STATUS_CTRL, control); |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 385 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 386 | |
| 387 | return msg; |
| 388 | } |
| 389 | |
| 390 | /*! Create BSSMAP LCLS CONNECT CONTROL ACK message (TS 48.008 3.2.1.92). |
| 391 | * \param[in] status LCLS BSS Status |
| 392 | * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| 393 | struct msgb *gsm0808_create_lcls_conn_ctrl_ack(enum gsm0808_lcls_status status) |
| 394 | { |
| 395 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 396 | "bssmap: LCLS CONN CTRL ACK"); |
| 397 | if (!msg) |
| 398 | return NULL; |
| 399 | |
| 400 | msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK); |
| 401 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status); |
| 402 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 403 | |
| 404 | return msg; |
| 405 | } |
| 406 | |
| 407 | /*! Create BSSMAP LCLS NOTIFICATION message (TS 48.008 3.2.1.93). |
| 408 | * \param[in] status LCLS BSS Status |
| 409 | * \param[in] break_req Include the LCLS BREAK REQ IE (true) or not (false) |
| 410 | * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| 411 | struct msgb *gsm0808_create_lcls_notification(enum gsm0808_lcls_status status, bool break_req) |
| 412 | { |
| 413 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 414 | "bssmap: LCLS NOTIFICATION"); |
| 415 | if (!msg) |
| 416 | return NULL; |
| 417 | |
| 418 | msgb_v_put(msg, BSS_MAP_MSG_LCLS_NOTIFICATION); |
| 419 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status); |
| 420 | if (break_req) |
| 421 | msgb_v_put(msg, GSM0808_IE_LCLS_BREAK_REQ); |
| 422 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 423 | |
| 424 | return msg; |
| 425 | } |
| 426 | |
Neels Hofmeyr | 2c79d55 | 2018-09-13 05:36:32 +0200 | [diff] [blame] | 427 | /*! Create BSSMAP Classmark Request message |
| 428 | * \returns callee-allocated msgb with BSSMAP Classmark Request message */ |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 429 | struct msgb *gsm0808_create_classmark_request(void) |
Neels Hofmeyr | 2c79d55 | 2018-09-13 05:36:32 +0200 | [diff] [blame] | 430 | { |
| 431 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 432 | "classmark-request"); |
| 433 | if (!msg) |
| 434 | return NULL; |
| 435 | |
| 436 | msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_RQST); |
| 437 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 438 | return msg; |
| 439 | } |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 440 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 441 | /*! Create BSSMAP Classmark Update message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 442 | * \param[in] cm2 Classmark 2 |
| 443 | * \param[in] cm2_len length (in octets) of \a cm2 |
| 444 | * \param[in] cm3 Classmark 3 |
| 445 | * \param[in] cm3_len length (in octets) of \a cm3 |
| 446 | * \returns callee-allocated msgb with BSSMAP Classmark Update message */ |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 447 | struct msgb *gsm0808_create_classmark_update(const uint8_t *cm2, uint8_t cm2_len, |
| 448 | const uint8_t *cm3, uint8_t cm3_len) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 449 | { |
| 450 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 451 | "classmark-update"); |
| 452 | if (!msg) |
| 453 | return NULL; |
| 454 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 455 | msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_UPDATE); |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 456 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T2, cm2_len, cm2); |
| 457 | if (cm3) |
| 458 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T3, |
| 459 | cm3_len, cm3); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 460 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 461 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 462 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 463 | return msg; |
| 464 | } |
| 465 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 466 | /*! Create BSSMAP SAPI N Reject message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 467 | * \param[in] link_id Link Identifier |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 468 | * \param[in] cause BSSAP Cause value (see 3GPP TS 48.008, section 3.2.2.5) |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 469 | * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 470 | struct msgb *gsm0808_create_sapi_reject_cause(uint8_t link_id, uint16_t cause) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 471 | { |
| 472 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 473 | "bssmap: sapi 'n' reject"); |
| 474 | if (!msg) |
| 475 | return NULL; |
| 476 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 477 | msgb_v_put(msg, BSS_MAP_MSG_SAPI_N_REJECT); |
Alexander Chemeris | a5b1b86 | 2020-05-12 01:03:08 +0300 | [diff] [blame] | 478 | msgb_tv_put(msg, GSM0808_IE_DLCI, link_id); |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 479 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 480 | |
| 481 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 482 | |
| 483 | return msg; |
| 484 | } |
| 485 | |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 486 | /*! Create BSSMAP SAPI N Reject message (with hard-coded cause "BSS not equipped"). |
| 487 | * DEPRECATED: use gsm0808_create_sapi_reject_cause() instead. |
| 488 | * \param[in] link_id Link Identifier |
| 489 | * \param[in] cause BSSAP Cause value (see 3GPP TS 48.008, section 3.2.2.5) |
| 490 | * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ |
| 491 | struct msgb *gsm0808_create_sapi_reject(uint8_t link_id) |
| 492 | { |
| 493 | return gsm0808_create_sapi_reject_cause(link_id, GSM0808_CAUSE_BSS_NOT_EQUIPPED); |
| 494 | } |
| 495 | |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 496 | /*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1. |
| 497 | * This is identical to gsm0808_create_ass(), but adds KC and LCLS IEs. |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 498 | * \param[in] ct Channel Type |
| 499 | * \param[in] cic Circuit Identity Code (Classic A only) |
| 500 | * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only) |
| 501 | * \param[in] scl Speech Codec List (AoIP only) |
Max | 49c0668 | 2018-11-21 22:10:26 +0100 | [diff] [blame] | 502 | * \param[in] ci Call Identifier (Optional), §3.2.2.105 |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 503 | * \param[in] kc Kc128 ciphering key (Optional, A5/4), §3.2.2.109 |
| 504 | * \param[in] lcls Optional LCLS parameters |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 505 | * \returns callee-allocated msgb with BSSMAP Assignment Request message */ |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 506 | struct msgb *gsm0808_create_ass2(const struct gsm0808_channel_type *ct, |
| 507 | const uint16_t *cic, |
| 508 | const struct sockaddr_storage *ss, |
| 509 | const struct gsm0808_speech_codec_list *scl, |
| 510 | const uint32_t *ci, |
| 511 | const uint8_t *kc, const struct osmo_lcls *lcls) |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 512 | { |
| 513 | /* See also: 3GPP TS 48.008 3.2.1.1 ASSIGNMENT REQUEST */ |
| 514 | struct msgb *msg; |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 515 | |
| 516 | /* Mandatory emelent! */ |
| 517 | OSMO_ASSERT(ct); |
| 518 | |
| 519 | msg = |
| 520 | msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 521 | "bssmap: ass req"); |
| 522 | if (!msg) |
| 523 | return NULL; |
| 524 | |
| 525 | /* Message Type 3.2.2.1 */ |
| 526 | msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_RQST); |
| 527 | |
| 528 | /* Channel Type 3.2.2.11 */ |
| 529 | gsm0808_enc_channel_type(msg, ct); |
| 530 | |
| 531 | /* Circuit Identity Code 3.2.2.2 */ |
Vadim Yanitskiy | 1c4fc22 | 2021-02-05 03:58:24 +0100 | [diff] [blame] | 532 | if (cic) |
| 533 | msgb_tv16_put(msg, GSM0808_IE_CIRCUIT_IDENTITY_CODE, *cic); |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 534 | |
| 535 | /* AoIP: AoIP Transport Layer Address (MGW) 3.2.2.102 */ |
| 536 | if (ss) { |
| 537 | gsm0808_enc_aoip_trasp_addr(msg, ss); |
| 538 | } |
| 539 | |
| 540 | /* AoIP: Codec List (MSC Preferred) 3.2.2.103 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 541 | if (scl) { |
| 542 | if (gsm0808_enc_speech_codec_list2(msg, scl) < 0) |
| 543 | goto exit_free; |
| 544 | } |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 545 | |
| 546 | /* AoIP: Call Identifier 3.2.2.105 */ |
| 547 | if (ci) { |
Philipp Maier | 2908dbf | 2020-06-05 14:16:11 +0200 | [diff] [blame] | 548 | /* NOTE: 3GPP TS 48.008, section 3.2.2.105 specifies that |
Vadim Yanitskiy | 1c4fc22 | 2021-02-05 03:58:24 +0100 | [diff] [blame] | 549 | * the least significant byte shall be transmitted first. */ |
| 550 | msgb_v_put(msg, GSM0808_IE_CALL_ID); |
| 551 | osmo_store32le(*ci, msgb_put(msg, sizeof(*ci))); |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 552 | } |
| 553 | |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 554 | if (kc) |
| 555 | msgb_tv_fixed_put(msg, GSM0808_IE_KC_128, 16, kc); |
| 556 | |
Max | 4702215 | 2018-12-19 18:51:00 +0100 | [diff] [blame] | 557 | if (lcls) |
| 558 | gsm0808_enc_lcls(msg, lcls); |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 559 | |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 560 | /* push the bssmap header */ |
| 561 | msg->l3h = |
| 562 | msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 563 | |
| 564 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 565 | |
| 566 | exit_free: |
| 567 | msgb_free(msg); |
| 568 | return NULL; |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 569 | } |
| 570 | |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 571 | /*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1. |
| 572 | * \param[in] ct Channel Type |
| 573 | * \param[in] cic Circuit Identity Code (Classic A only) |
| 574 | * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only) |
| 575 | * \param[in] scl Speech Codec List (AoIP only) |
| 576 | * \param[in] ci Call Identifier (Optional), §3.2.2.105 |
| 577 | * \returns callee-allocated msgb with BSSMAP Assignment Request message */ |
| 578 | struct msgb *gsm0808_create_ass(const struct gsm0808_channel_type *ct, |
| 579 | const uint16_t *cic, |
| 580 | const struct sockaddr_storage *ss, |
| 581 | const struct gsm0808_speech_codec_list *scl, |
| 582 | const uint32_t *ci) |
| 583 | { |
| 584 | return gsm0808_create_ass2(ct, cic, ss, scl, ci, NULL, NULL); |
| 585 | } |
| 586 | |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 587 | /*! Create BSSMAP Assignment Completed message as per 3GPP TS 48.008 §3.2.1.2 |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 588 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 589 | * \param[in] chosen_channel Chosen Channel |
| 590 | * \param[in] encr_alg_id Encryption Algorithm ID |
| 591 | * \param[in] speech_mode Speech Mode |
| 592 | * \param[in] ss Socket Address of BSS-side RTP socket |
| 593 | * \param[in] sc Speech Codec (current) |
| 594 | * \param[in] scl Speech Codec List (permitted) |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 595 | * \param[in] lcls_bss_status §3.2.2.119 LCLS-BSS-Status, optional |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 596 | * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 597 | struct msgb *gsm0808_create_ass_compl2(uint8_t rr_cause, uint8_t chosen_channel, |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 598 | uint8_t encr_alg_id, uint8_t speech_mode, |
| 599 | const struct sockaddr_storage *ss, |
| 600 | const struct gsm0808_speech_codec *sc, |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 601 | const struct gsm0808_speech_codec_list *scl, |
| 602 | enum gsm0808_lcls_status lcls_bss_status) |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 603 | { |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 604 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 605 | "bssmap: ass compl"); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 606 | if (!msg) |
| 607 | return NULL; |
| 608 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 609 | msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_COMPLETE); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 610 | |
| 611 | /* write 3.2.2.22 */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 612 | msgb_tv_put(msg, GSM0808_IE_RR_CAUSE, rr_cause); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 613 | |
| 614 | /* write cirtcuit identity code 3.2.2.2 */ |
| 615 | /* write cell identifier 3.2.2.17 */ |
| 616 | /* write chosen channel 3.2.2.33 when BTS picked it */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 617 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, chosen_channel); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 618 | |
| 619 | /* write chosen encryption algorithm 3.2.2.44 */ |
Vadim Yanitskiy | ecaf5fa | 2020-08-31 19:10:39 +0700 | [diff] [blame] | 620 | if (encr_alg_id > 0) |
| 621 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, encr_alg_id); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 622 | |
| 623 | /* write circuit pool 3.2.2.45 */ |
| 624 | /* write speech version chosen: 3.2.2.51 when BTS picked it */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 625 | if (speech_mode != 0) |
| 626 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, speech_mode); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 627 | |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 628 | /* AoIP: AoIP Transport Layer Address (BSS) 3.2.2.102 */ |
| 629 | if (ss) |
| 630 | gsm0808_enc_aoip_trasp_addr(msg, ss); |
| 631 | |
| 632 | /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 633 | if (sc) { |
| 634 | if (gsm0808_enc_speech_codec2(msg, sc) < 0) |
| 635 | goto exit_free; |
| 636 | } |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 637 | |
| 638 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 639 | if (scl) { |
| 640 | if (gsm0808_enc_speech_codec_list2(msg, scl) < 0) |
| 641 | goto exit_free; |
| 642 | } |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 643 | |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 644 | /* FIXME: write LSA identifier 3.2.2.15 - see 3GPP TS 43.073 */ |
| 645 | |
| 646 | /* LCLS-BSS-Status 3.2.2.119 */ |
| 647 | if (lcls_bss_status != GSM0808_LCLS_STS_NA) |
| 648 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, lcls_bss_status); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 649 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 650 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 651 | |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 652 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 653 | |
| 654 | exit_free: |
| 655 | msgb_free(msg); |
| 656 | return NULL; |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 657 | } |
| 658 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 659 | /*! Create BSSMAP Assignment Completed message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 660 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 661 | * \param[in] chosen_channel Chosen Channel |
| 662 | * \param[in] encr_alg_id Encryption Algorithm ID |
| 663 | * \param[in] speech_mode Speech Mode |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 664 | * \param[in] ss Socket Address of BSS-side RTP socket |
| 665 | * \param[in] sc Speech Codec (current) |
| 666 | * \param[in] scl Speech Codec List (permitted) |
| 667 | * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
| 668 | struct msgb *gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel, |
| 669 | uint8_t encr_alg_id, uint8_t speech_mode, |
| 670 | const struct sockaddr_storage *ss, |
| 671 | const struct gsm0808_speech_codec *sc, |
| 672 | const struct gsm0808_speech_codec_list *scl) |
| 673 | { |
| 674 | return gsm0808_create_ass_compl2(rr_cause, chosen_channel, encr_alg_id, speech_mode, |
| 675 | ss, sc, scl, GSM0808_LCLS_STS_NA); |
| 676 | } |
| 677 | |
| 678 | /*! Create BSSMAP Assignment Completed message |
| 679 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 680 | * \param[in] chosen_channel Chosen Channel |
| 681 | * \param[in] encr_alg_id Encryption Algorithm ID |
| 682 | * \param[in] speech_mode Speech Mode |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 683 | * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 684 | struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, |
| 685 | uint8_t chosen_channel, |
| 686 | uint8_t encr_alg_id, |
| 687 | uint8_t speech_mode) |
| 688 | { |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 689 | return gsm0808_create_ass_compl2(rr_cause, chosen_channel, encr_alg_id, |
| 690 | speech_mode, NULL, NULL, NULL, GSM0808_LCLS_STS_NA); |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 691 | } |
| 692 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 693 | /*! Create BSSMAP Assignment Failure message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 694 | * \param[in] cause BSSMAP Cause value |
| 695 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 696 | * \param[in] scl Optional Speech Cdec List (AoIP) |
| 697 | * \returns callee-allocated msgb with BSSMAP Assignment Failure message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 698 | struct msgb *gsm0808_create_ass_fail(uint8_t cause, const uint8_t *rr_cause, |
| 699 | const struct gsm0808_speech_codec_list |
| 700 | *scl) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 701 | { |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 702 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 703 | "bssmap: ass fail"); |
| 704 | if (!msg) |
| 705 | return NULL; |
| 706 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 707 | msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_FAILURE); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 708 | gsm0808_enc_cause(msg, cause); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 709 | |
| 710 | /* RR cause 3.2.2.22 */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 711 | if (rr_cause) |
| 712 | msgb_tv_put(msg, GSM0808_IE_RR_CAUSE, *rr_cause); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 713 | |
| 714 | /* Circuit pool 3.22.45 */ |
| 715 | /* Circuit pool list 3.2.2.46 */ |
| 716 | |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 717 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 718 | if (scl) { |
| 719 | if (gsm0808_enc_speech_codec_list2(msg, scl) < 0) |
| 720 | goto exit_free; |
| 721 | } |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 722 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 723 | /* update the size */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 724 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 725 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 726 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 727 | |
| 728 | exit_free: |
| 729 | msgb_free(msg); |
| 730 | return NULL; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 731 | } |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 732 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 733 | /*! Create BSSMAP Assignment Failure message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 734 | * \param[in] cause BSSMAP Cause value |
| 735 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 736 | * \returns callee-allocated msgb with BSSMAP Assignment Failure message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 737 | struct msgb *gsm0808_create_assignment_failure(uint8_t cause, |
| 738 | uint8_t *rr_cause) |
| 739 | { |
| 740 | return gsm0808_create_ass_fail(cause, rr_cause, NULL); |
| 741 | } |
| 742 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 743 | /*! Create BSSMAP Clear Request message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 744 | * \param[in] cause BSSMAP Cause value |
| 745 | * \returns callee-allocated msgb with BSSMAP Clear Request message */ |
Holger Hans Peter Freyther | af270a4 | 2010-11-04 12:42:50 +0100 | [diff] [blame] | 746 | struct msgb *gsm0808_create_clear_rqst(uint8_t cause) |
| 747 | { |
| 748 | struct msgb *msg; |
| 749 | |
| 750 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 751 | "bssmap: clear rqst"); |
| 752 | if (!msg) |
| 753 | return NULL; |
| 754 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 755 | msgb_v_put(msg, BSS_MAP_MSG_CLEAR_RQST); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 756 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 757 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
Holger Hans Peter Freyther | af270a4 | 2010-11-04 12:42:50 +0100 | [diff] [blame] | 758 | |
Holger Hans Peter Freyther | af270a4 | 2010-11-04 12:42:50 +0100 | [diff] [blame] | 759 | return msg; |
| 760 | } |
| 761 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 762 | /*! Create BSSMAP PAGING message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 763 | * \param[in] imsi Mandatory paged IMSI in string representation |
| 764 | * \param[in] tmsi Optional paged TMSI |
Stefan Sperling | 3953f41 | 2018-08-28 15:06:30 +0200 | [diff] [blame] | 765 | * \param[in] cil Mandatory Cell Identity List (where to page) |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 766 | * \param[in] chan_needed Channel Type needed |
| 767 | * \returns callee-allocated msgb with BSSMAP PAGING message */ |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 768 | struct msgb *gsm0808_create_paging2(const char *imsi, const uint32_t *tmsi, |
| 769 | const struct gsm0808_cell_id_list2 *cil, |
| 770 | const uint8_t *chan_needed) |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 771 | { |
| 772 | struct msgb *msg; |
Harald Welte | a13fb75 | 2020-06-16 08:44:42 +0200 | [diff] [blame] | 773 | uint8_t mid_buf[GSM48_MI_SIZE + 2]; |
| 774 | int mid_len; |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 775 | uint32_t tmsi_sw; |
| 776 | |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 777 | /* Mandatory elements! */ |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 778 | OSMO_ASSERT(imsi); |
| 779 | OSMO_ASSERT(cil); |
| 780 | |
| 781 | /* Malformed IMSI */ |
| 782 | OSMO_ASSERT(strlen(imsi) <= GSM48_MI_SIZE); |
| 783 | |
| 784 | msg = |
| 785 | msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "paging"); |
| 786 | if (!msg) |
| 787 | return NULL; |
| 788 | |
| 789 | /* Message Type 3.2.2.1 */ |
| 790 | msgb_v_put(msg, BSS_MAP_MSG_PAGING); |
| 791 | |
Stefan Sperling | 3953f41 | 2018-08-28 15:06:30 +0200 | [diff] [blame] | 792 | /* mandatory IMSI 3.2.2.6 */ |
Harald Welte | a13fb75 | 2020-06-16 08:44:42 +0200 | [diff] [blame] | 793 | mid_len = gsm48_generate_mid_from_imsi(mid_buf, imsi); |
| 794 | msgb_tlv_put(msg, GSM0808_IE_IMSI, mid_len - 2, mid_buf + 2); |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 795 | |
| 796 | /* TMSI 3.2.2.7 */ |
| 797 | if (tmsi) { |
Harald Welte | 95871da | 2017-05-15 12:11:36 +0200 | [diff] [blame] | 798 | tmsi_sw = osmo_htonl(*tmsi); |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 799 | msgb_tlv_put(msg, GSM0808_IE_TMSI, sizeof(*tmsi), |
| 800 | (uint8_t *) & tmsi_sw); |
| 801 | } |
| 802 | |
Stefan Sperling | 3953f41 | 2018-08-28 15:06:30 +0200 | [diff] [blame] | 803 | /* mandatory Cell Identifier List 3.2.2.27 */ |
| 804 | gsm0808_enc_cell_id_list2(msg, cil); |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 805 | |
| 806 | /* Channel Needed 3.2.2.36 */ |
| 807 | if (chan_needed) { |
| 808 | msgb_tv_put(msg, GSM0808_IE_CHANNEL_NEEDED, |
| 809 | (*chan_needed) & 0x03); |
| 810 | } |
| 811 | |
| 812 | /* pre-pend the header */ |
| 813 | msg->l3h = |
| 814 | msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 815 | |
| 816 | return msg; |
| 817 | } |
| 818 | |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 819 | /*! DEPRECATED: Use gsm0808_create_paging2 instead. |
| 820 | * Create BSSMAP PAGING message. |
| 821 | * \param[in] imsi Mandatory paged IMSI in string representation |
| 822 | * \param[in] tmsi Optional paged TMSI |
| 823 | * \param[in] cil Cell Identity List (where to page) |
| 824 | * \param[in] chan_needed Channel Type needed |
| 825 | * \returns callee-allocated msgb with BSSMAP PAGING message */ |
| 826 | struct msgb *gsm0808_create_paging(const char *imsi, const uint32_t *tmsi, |
| 827 | const struct gsm0808_cell_id_list *cil, |
| 828 | const uint8_t *chan_needed) |
| 829 | { |
| 830 | struct gsm0808_cell_id_list2 cil2 = {}; |
| 831 | |
Pau Espin Pedrol | 49766ab | 2021-04-19 12:14:36 +0200 | [diff] [blame] | 832 | /* Mandatory elements! */ |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 833 | OSMO_ASSERT(cil); |
| 834 | |
| 835 | if (cil->id_list_len > GSM0808_CELL_ID_LIST2_MAXLEN) |
| 836 | return NULL; |
| 837 | |
| 838 | cil2.id_discr = cil->id_discr; |
| 839 | memcpy(cil2.id_list, cil->id_list_lac, cil->id_list_len * sizeof(cil2.id_list[0].lac)); |
| 840 | cil2.id_list_len = cil->id_list_len; |
| 841 | |
| 842 | return gsm0808_create_paging2(imsi, tmsi, &cil2, chan_needed); |
| 843 | } |
| 844 | |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 845 | static uint8_t put_old_bss_to_new_bss_information(struct msgb *msg, |
| 846 | const struct gsm0808_old_bss_to_new_bss_info *i) |
| 847 | { |
| 848 | uint8_t *old_tail; |
| 849 | uint8_t *tlv_len; |
| 850 | |
| 851 | msgb_put_u8(msg, GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION); |
| 852 | tlv_len = msgb_put(msg, 1); |
| 853 | old_tail = msg->tail; |
| 854 | |
| 855 | if (i->extra_information_present) { |
| 856 | uint8_t val = 0; |
| 857 | if (i->extra_information.prec) |
| 858 | val |= 1 << 0; |
| 859 | if (i->extra_information.lcs) |
| 860 | val |= 1 << 1; |
| 861 | if (i->extra_information.ue_prob) |
| 862 | val |= 1 << 2; |
| 863 | msgb_tlv_put(msg, GSM0808_FE_IE_EXTRA_INFORMATION, 1, &val); |
| 864 | } |
| 865 | |
| 866 | if (i->current_channel_type_2_present) { |
| 867 | uint8_t val[2] = { |
| 868 | i->current_channel_type_2.mode, |
| 869 | i->current_channel_type_2.field, |
| 870 | }; |
| 871 | msgb_tlv_put(msg, GSM0808_FE_IE_CURRENT_CHANNEL_TYPE_2, 2, val); |
| 872 | } |
| 873 | |
Pau Espin Pedrol | 1b625cb | 2021-04-14 21:27:31 +0200 | [diff] [blame] | 874 | if (i->last_eutran_plmn_id_present) { |
| 875 | msgb_put_u8(msg, GSM0808_FE_IE_LAST_USED_EUTRAN_PLMN_ID); |
| 876 | osmo_plmn_to_bcd(msgb_put(msg, 3), &i->last_eutran_plmn_id); |
| 877 | } |
| 878 | |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 879 | *tlv_len = (uint8_t) (msg->tail - old_tail); |
| 880 | return *tlv_len + 2; |
| 881 | } |
| 882 | |
| 883 | /*! Create BSSMAP HANDOVER REQUIRED message. |
| 884 | * \param[in] params All information to be encoded. |
Neels Hofmeyr | 302aafc | 2019-04-10 19:23:45 +0200 | [diff] [blame] | 885 | * \returns newly allocated msgb with BSSMAP HANDOVER REQUIRED message. */ |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 886 | struct msgb *gsm0808_create_handover_required(const struct gsm0808_handover_required *params) |
| 887 | { |
| 888 | struct msgb *msg; |
| 889 | |
| 890 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUIRED"); |
| 891 | if (!msg) |
| 892 | return NULL; |
| 893 | |
| 894 | /* Message Type, 3.2.2.1 */ |
| 895 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_REQUIRED); |
| 896 | |
| 897 | /* Cause, 3.2.2.5 */ |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 898 | gsm0808_enc_cause(msg, params->cause); |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 899 | |
| 900 | /* Cell Identifier List, 3.2.2.27 */ |
| 901 | gsm0808_enc_cell_id_list2(msg, ¶ms->cil); |
| 902 | |
| 903 | /* Current Channel Type 1, 3.2.2.49 */ |
| 904 | if (params->current_channel_type_1_present) |
| 905 | msgb_tv_fixed_put(msg, GSM0808_IE_CURRENT_CHANNEL_TYPE_1, 1, ¶ms->current_channel_type_1); |
| 906 | |
| 907 | /* Speech Version (Used), 3.2.2.51 */ |
| 908 | if (params->speech_version_used_present) |
Neels Hofmeyr | 302aafc | 2019-04-10 19:23:45 +0200 | [diff] [blame] | 909 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_used); |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 910 | |
| 911 | if (params->old_bss_to_new_bss_info_present) |
| 912 | put_old_bss_to_new_bss_information(msg, ¶ms->old_bss_to_new_bss_info); |
| 913 | |
| 914 | /* pre-pend the header */ |
| 915 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 916 | |
| 917 | return msg; |
| 918 | } |
| 919 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 920 | /*! Create BSSMAP HANDOVER REQUIRED REJECT message. |
| 921 | * \returns newly allocated msgb with BSSMAP HANDOVER REQUIRED REJECT message. */ |
| 922 | struct msgb *gsm0808_create_handover_required_reject(const struct gsm0808_handover_required_reject *params) |
| 923 | { |
| 924 | struct msgb *msg; |
| 925 | |
| 926 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUIRED-REJECT"); |
| 927 | if (!msg) |
| 928 | return NULL; |
| 929 | |
| 930 | /* Message Type, 3.2.2.1 */ |
| 931 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT); |
| 932 | |
| 933 | /* Cause, 3.2.2.5 */ |
| 934 | gsm0808_enc_cause(msg, params->cause); |
| 935 | |
| 936 | /* prepend the header */ |
| 937 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 938 | |
| 939 | return msg; |
| 940 | } |
| 941 | |
| 942 | /*! Create BSSMAP HANDOVER REQUEST message, 3GPP TS 48.008 3.2.1.8. |
| 943 | * Sent from the MSC to the potential new target cell during inter-BSC handover, or to the target MSC during inter-MSC |
| 944 | * handover. |
| 945 | */ |
| 946 | struct msgb *gsm0808_create_handover_request(const struct gsm0808_handover_request *params) |
| 947 | { |
| 948 | struct msgb *msg; |
| 949 | |
| 950 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUEST"); |
| 951 | if (!msg) |
| 952 | return NULL; |
| 953 | |
| 954 | /* Message Type, 3.2.2.1 */ |
| 955 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_RQST); |
| 956 | |
| 957 | /* Channel Type 3.2.2.11 */ |
| 958 | gsm0808_enc_channel_type(msg, ¶ms->channel_type); |
| 959 | |
| 960 | /* Encryption Information 3.2.2.10 */ |
| 961 | gsm0808_enc_encrypt_info(msg, ¶ms->encryption_information); |
| 962 | |
| 963 | /* Classmark Information 1 3.2.2.30 or Classmark Information 2 3.2.2.19 (Classmark 2 wins) */ |
| 964 | if (params->classmark_information.classmark2_len) { |
| 965 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T2, |
| 966 | params->classmark_information.classmark2_len, |
| 967 | (const uint8_t*)¶ms->classmark_information.classmark2); |
| 968 | } else if (params->classmark_information.classmark1_set) { |
| 969 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1, |
| 970 | sizeof(params->classmark_information.classmark1), |
| 971 | (const uint8_t*)¶ms->classmark_information.classmark1); |
| 972 | } |
| 973 | /* (Classmark 3 possibly follows below) */ |
| 974 | |
| 975 | /* Cell Identifier (Serving) , 3.2.2.17 */ |
| 976 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier_serving); |
| 977 | |
| 978 | /* Cell Identifier (Target) , 3.2.2.17 */ |
| 979 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier_target); |
| 980 | |
| 981 | /* Cause, 3.2.2.5 */ |
| 982 | gsm0808_enc_cause(msg, params->cause); |
| 983 | |
| 984 | /* Classmark Information 3 3.2.2.20 */ |
| 985 | if (params->classmark_information.classmark3_len) { |
| 986 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T3, |
| 987 | params->classmark_information.classmark3_len, |
| 988 | (const uint8_t*)¶ms->classmark_information.classmark3); |
| 989 | } |
| 990 | |
| 991 | /* Current Channel type 1 3.2.2.49 */ |
| 992 | if (params->current_channel_type_1_present) |
| 993 | msgb_tv_fixed_put(msg, GSM0808_IE_CURRENT_CHANNEL_TYPE_1, 1, ¶ms->current_channel_type_1); |
| 994 | |
| 995 | /* Speech Version (Used), 3.2.2.51 */ |
| 996 | if (params->speech_version_used) { |
| 997 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_used); |
| 998 | } |
| 999 | |
| 1000 | /* Chosen Encryption Algorithm (Serving) 3.2.2.44 */ |
Vadim Yanitskiy | ecaf5fa | 2020-08-31 19:10:39 +0700 | [diff] [blame] | 1001 | if (params->chosen_encryption_algorithm_serving > 0) |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1002 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encryption_algorithm_serving); |
| 1003 | |
| 1004 | /* Old BSS to New BSS Information 3.2.2.58 */ |
| 1005 | if (params->old_bss_to_new_bss_info_raw && params->old_bss_to_new_bss_info_raw_len) { |
| 1006 | msgb_tlv_put(msg, GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION, |
| 1007 | params->old_bss_to_new_bss_info_raw_len, |
| 1008 | params->old_bss_to_new_bss_info_raw); |
| 1009 | } else if (params->old_bss_to_new_bss_info_present) { |
| 1010 | put_old_bss_to_new_bss_information(msg, ¶ms->old_bss_to_new_bss_info); |
| 1011 | } |
| 1012 | |
| 1013 | /* IMSI 3.2.2.6 */ |
| 1014 | if (params->imsi) { |
Harald Welte | a13fb75 | 2020-06-16 08:44:42 +0200 | [diff] [blame] | 1015 | uint8_t mid_buf[GSM48_MI_SIZE + 2]; |
| 1016 | int mid_len = gsm48_generate_mid_from_imsi(mid_buf, params->imsi); |
| 1017 | msgb_tlv_put(msg, GSM0808_IE_IMSI, mid_len - 2, mid_buf + 2); |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | if (params->aoip_transport_layer) |
| 1021 | gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer); |
| 1022 | |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1023 | if (params->codec_list_msc_preferred) { |
| 1024 | if (gsm0808_enc_speech_codec_list2(msg, params->codec_list_msc_preferred) < 0) |
| 1025 | goto exit_free; |
| 1026 | } |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1027 | |
| 1028 | if (params->call_id_present) { |
| 1029 | uint8_t val[4]; |
| 1030 | osmo_store32le(params->call_id, val); |
| 1031 | msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, 4, val); |
| 1032 | } |
| 1033 | |
Neels Hofmeyr | e4378b7 | 2021-06-10 00:54:35 +0200 | [diff] [blame] | 1034 | if (params->more_items && params->kc128_present) |
| 1035 | gsm0808_enc_kc128(msg, params->kc128); |
| 1036 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1037 | if (params->global_call_reference && params->global_call_reference_len) { |
| 1038 | msgb_tlv_put(msg, GSM0808_IE_GLOBAL_CALL_REF, |
| 1039 | params->global_call_reference_len, params->global_call_reference); |
| 1040 | } |
| 1041 | |
| 1042 | /* prepend header with final length */ |
| 1043 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1044 | |
| 1045 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1046 | |
| 1047 | exit_free: |
| 1048 | msgb_free(msg); |
| 1049 | return NULL; |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1050 | } |
| 1051 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1052 | /*! Create BSSMAP HANDOVER REQUEST ACKNOWLEDGE message, 3GPP TS 48.008 3.2.1.10. |
| 1053 | * Sent from the MT BSC back to the MSC when it has allocated an lchan to handover to. |
| 1054 | * l3_info is the RR Handover Command that the MO BSC sends to the MS to move over. */ |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1055 | struct msgb *gsm0808_create_handover_request_ack2(const struct gsm0808_handover_request_ack *params) |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1056 | { |
| 1057 | struct msgb *msg; |
| 1058 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1059 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUEST-ACK"); |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1060 | if (!msg) |
| 1061 | return NULL; |
| 1062 | |
| 1063 | /* Message Type, 3.2.2.1 */ |
| 1064 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE); |
| 1065 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1066 | /* Layer 3 Information, 3.2.2.24 -- it is actually mandatory, but rather compose a nonstandard message than |
| 1067 | * segfault or return NULL without a log message. */ |
| 1068 | if (params->l3_info && params->l3_info_len) |
| 1069 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3_info_len, params->l3_info); |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1070 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1071 | if (params->chosen_channel_present) |
| 1072 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
Vadim Yanitskiy | ecaf5fa | 2020-08-31 19:10:39 +0700 | [diff] [blame] | 1073 | if (params->chosen_encr_alg > 0) |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1074 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| 1075 | |
| 1076 | if (params->chosen_speech_version != 0) |
| 1077 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->chosen_speech_version); |
| 1078 | |
| 1079 | if (params->aoip_transport_layer) |
| 1080 | gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer); |
| 1081 | |
Neels Hofmeyr | a25a6dc | 2022-02-23 14:25:22 +0100 | [diff] [blame] | 1082 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103. |
| 1083 | * (codec_list_bss_supported was added to struct gsm0808_handover_request_ack later than speech_codec_chosen |
| 1084 | * below, but it needs to come before it in the message coding). */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1085 | if (params->more_items && params->codec_list_bss_supported.len) { |
| 1086 | if (gsm0808_enc_speech_codec_list2(msg, ¶ms->codec_list_bss_supported) < 0) |
| 1087 | goto exit_free; |
| 1088 | } |
Neels Hofmeyr | a25a6dc | 2022-02-23 14:25:22 +0100 | [diff] [blame] | 1089 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1090 | /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1091 | if (params->speech_codec_chosen_present) { |
| 1092 | if (gsm0808_enc_speech_codec2(msg, ¶ms->speech_codec_chosen) < 0) |
| 1093 | goto exit_free; |
| 1094 | } |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1095 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1096 | /* prepend header with final length */ |
| 1097 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1098 | |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1099 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1100 | |
| 1101 | exit_free: |
| 1102 | msgb_free(msg); |
| 1103 | return NULL; |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1104 | } |
| 1105 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1106 | /*! Same as gsm0808_create_handover_request_ack2() but with less parameters. |
| 1107 | * In particular, this lacks the AoIP Transport Layer address. */ |
| 1108 | struct msgb *gsm0808_create_handover_request_ack(const uint8_t *l3_info, uint8_t l3_info_len, |
| 1109 | uint8_t chosen_channel, uint8_t chosen_encr_alg, |
| 1110 | uint8_t chosen_speech_version) |
| 1111 | { |
| 1112 | struct gsm0808_handover_request_ack params = { |
| 1113 | .l3_info = l3_info, |
| 1114 | .l3_info_len = l3_info_len, |
| 1115 | .chosen_channel = chosen_channel, |
| 1116 | .chosen_encr_alg = chosen_encr_alg, |
| 1117 | .chosen_speech_version = chosen_speech_version, |
| 1118 | }; |
| 1119 | |
| 1120 | return gsm0808_create_handover_request_ack2(¶ms); |
| 1121 | } |
| 1122 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1123 | /*! Create BSSMAP HANDOVER COMMAND message, 3GPP TS 48.008 3.2.1.11. |
| 1124 | * Sent from the MSC to the old BSS to transmit the RR Handover Command received from the new BSS. */ |
| 1125 | struct msgb *gsm0808_create_handover_command(const struct gsm0808_handover_command *params) |
| 1126 | { |
| 1127 | struct msgb *msg; |
| 1128 | |
| 1129 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-COMMAND"); |
| 1130 | if (!msg) |
| 1131 | return NULL; |
| 1132 | |
| 1133 | /* Message Type, 3.2.2.1 */ |
| 1134 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_CMD); |
| 1135 | |
| 1136 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3_info_len, params->l3_info); |
| 1137 | |
| 1138 | if (params->cell_identifier.id_discr != CELL_IDENT_NO_CELL) |
| 1139 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1140 | |
| 1141 | if (params->new_bss_to_old_bss_info_raw |
| 1142 | && params->new_bss_to_old_bss_info_raw_len) |
| 1143 | msgb_tlv_put(msg, GSM0808_IE_NEW_BSS_TO_OLD_BSS_INFO, params->new_bss_to_old_bss_info_raw_len, |
| 1144 | params->new_bss_to_old_bss_info_raw); |
| 1145 | |
| 1146 | /* prepend header with final length */ |
| 1147 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1148 | |
| 1149 | return msg; |
| 1150 | } |
| 1151 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1152 | /*! Create BSSMAP HANDOVER DETECT message, 3GPP TS 48.008 3.2.1.40. |
| 1153 | * Sent from the MT BSC back to the MSC when the MS has sent a handover RACH request and the MT BSC has |
| 1154 | * received the Handover Detect message. */ |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 1155 | struct msgb *gsm0808_create_handover_detect(void) |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1156 | { |
| 1157 | struct msgb *msg; |
| 1158 | |
| 1159 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-DETECT"); |
| 1160 | if (!msg) |
| 1161 | return NULL; |
| 1162 | |
| 1163 | /* Message Type, 3.2.2.1 */ |
| 1164 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_DETECT); |
| 1165 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1166 | /* prepend header with final length */ |
| 1167 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1168 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1169 | return msg; |
| 1170 | } |
| 1171 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1172 | /*! Create BSSMAP HANDOVER SUCCEEDED message, 3GPP TS 48.008 3.2.1.13. |
| 1173 | * Sent from the MSC back to the old BSS to notify that the MS has successfully accessed the new BSS. */ |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 1174 | struct msgb *gsm0808_create_handover_succeeded(void) |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1175 | { |
| 1176 | struct msgb *msg; |
| 1177 | |
| 1178 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-DETECT"); |
| 1179 | if (!msg) |
| 1180 | return NULL; |
| 1181 | |
| 1182 | /* Message Type, 3.2.2.1 */ |
| 1183 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_SUCCEEDED); |
| 1184 | |
| 1185 | /* prepend header with final length */ |
| 1186 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1187 | |
| 1188 | return msg; |
| 1189 | } |
| 1190 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1191 | /*! Create BSSMAP HANDOVER COMPLETE message, 3GPP TS 48.008 3.2.1.12. |
| 1192 | * Sent from the MT BSC back to the MSC when the MS has fully settled into the new lchan. */ |
| 1193 | struct msgb *gsm0808_create_handover_complete(const struct gsm0808_handover_complete *params) |
| 1194 | { |
| 1195 | struct msgb *msg; |
| 1196 | |
| 1197 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-COMPLETE"); |
| 1198 | if (!msg) |
| 1199 | return NULL; |
| 1200 | |
| 1201 | /* Message Type, 3.2.2.1 */ |
| 1202 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_COMPLETE); |
| 1203 | |
| 1204 | /* RR Cause, 3.2.2.22 */ |
| 1205 | if (params->rr_cause_present) |
| 1206 | msgb_tlv_put(msg, GSM0808_IE_RR_CAUSE, 1, ¶ms->rr_cause); |
| 1207 | |
| 1208 | /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1209 | if (params->speech_codec_chosen_present) { |
| 1210 | if (gsm0808_enc_speech_codec2(msg, ¶ms->speech_codec_chosen) < 0) |
| 1211 | goto exit_free; |
| 1212 | } |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1213 | |
| 1214 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1215 | if (params->codec_list_bss_supported.len) { |
| 1216 | if (gsm0808_enc_speech_codec_list2(msg, ¶ms->codec_list_bss_supported) < 0) |
| 1217 | goto exit_free; |
| 1218 | } |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1219 | |
| 1220 | /* Chosen Encryption Algorithm 3.2.2.44 */ |
Vadim Yanitskiy | ecaf5fa | 2020-08-31 19:10:39 +0700 | [diff] [blame] | 1221 | if (params->chosen_encr_alg_present && params->chosen_encr_alg > 0) |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1222 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| 1223 | |
| 1224 | /* LCLS-BSS-Status 3.2.2.119 */ |
| 1225 | if (params->lcls_bss_status_present) |
| 1226 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, params->lcls_bss_status); |
| 1227 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1228 | /* prepend header with final length */ |
| 1229 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1230 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1231 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1232 | |
| 1233 | exit_free: |
| 1234 | msgb_free(msg); |
| 1235 | return NULL; |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1236 | } |
| 1237 | |
| 1238 | /*! Create BSSMAP HANDOVER FAILURE message, 3GPP TS 48.008 3.2.1.16. |
| 1239 | * Sent from the MT BSC back to the MSC when the handover has failed. */ |
| 1240 | struct msgb *gsm0808_create_handover_failure(const struct gsm0808_handover_failure *params) |
| 1241 | { |
| 1242 | struct msgb *msg; |
| 1243 | |
| 1244 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-FAILURE"); |
| 1245 | if (!msg) |
| 1246 | return NULL; |
| 1247 | |
| 1248 | /* Message Type, 3.2.2.1 */ |
| 1249 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_FAILURE); |
| 1250 | |
| 1251 | /* Cause, 3.2.2.5 */ |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 1252 | gsm0808_enc_cause(msg, params->cause); |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1253 | |
| 1254 | /* RR Cause, 3.2.2.22 */ |
| 1255 | if (params->rr_cause_present) |
| 1256 | msgb_tlv_put(msg, GSM0808_IE_RR_CAUSE, 1, ¶ms->rr_cause); |
| 1257 | |
| 1258 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1259 | if (params->codec_list_bss_supported.len) { |
| 1260 | if (gsm0808_enc_speech_codec_list2(msg, ¶ms->codec_list_bss_supported) < 0) |
| 1261 | goto exit_free; |
| 1262 | } |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1263 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1264 | /* prepend header with final length */ |
| 1265 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1266 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1267 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1268 | |
| 1269 | exit_free: |
| 1270 | msgb_free(msg); |
| 1271 | return NULL; |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1272 | } |
| 1273 | |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1274 | /*! Create BSSMAP HANDOVER PERFORMED message, 3GPP TS 48.008 3.2.1.25. |
| 1275 | * \param[in] params All information to be encoded. |
| 1276 | * \returns callee-allocated msgb with BSSMAP HANDOVER PERFORMED message */ |
| 1277 | struct msgb *gsm0808_create_handover_performed(const struct gsm0808_handover_performed *params) |
| 1278 | { |
| 1279 | struct msgb *msg; |
| 1280 | |
| 1281 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-PERFORMED"); |
| 1282 | if (!msg) |
| 1283 | return NULL; |
| 1284 | |
| 1285 | /* Message Type, 3.2.2.1 */ |
| 1286 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_PERFORMED); |
| 1287 | |
| 1288 | /* Cause, 3.2.2.5 */ |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 1289 | gsm0808_enc_cause(msg, params->cause); |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1290 | |
| 1291 | /* Cell Identifier, 3.2.2.17 */ |
| 1292 | gsm0808_enc_cell_id(msg, ¶ms->cell_id); |
| 1293 | |
| 1294 | /* Chosen Channel 3.2.2.33 */ |
| 1295 | if (params->chosen_channel_present) |
| 1296 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
| 1297 | |
| 1298 | /* Chosen Encryption Algorithm 3.2.2.44 */ |
Vadim Yanitskiy | ecaf5fa | 2020-08-31 19:10:39 +0700 | [diff] [blame] | 1299 | if (params->chosen_encr_alg_present && params->chosen_encr_alg > 0) |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1300 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| 1301 | |
| 1302 | /* Speech Version (chosen) 3.2.2.51 */ |
| 1303 | if (params->speech_version_chosen_present) |
| 1304 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_chosen); |
| 1305 | |
| 1306 | /* AoIP: Speech Codec (chosen) 3.2.2.104 */ |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1307 | if (params->speech_codec_chosen_present) { |
| 1308 | if (gsm0808_enc_speech_codec2(msg, ¶ms->speech_codec_chosen) < 0) |
| 1309 | goto exit_free; |
| 1310 | } |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1311 | |
| 1312 | /* LCLS-BSS-Status 3.2.2.119 */ |
| 1313 | if (params->lcls_bss_status_present) |
| 1314 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, params->lcls_bss_status); |
| 1315 | |
| 1316 | /* prepend header with final length */ |
| 1317 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1318 | |
| 1319 | return msg; |
Vadim Yanitskiy | 6db830f | 2022-12-14 00:45:25 +0700 | [diff] [blame] | 1320 | |
| 1321 | exit_free: |
| 1322 | msgb_free(msg); |
| 1323 | return NULL; |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1324 | } |
| 1325 | |
Neels Hofmeyr | 9b35e56 | 2020-06-22 17:59:18 +0200 | [diff] [blame] | 1326 | /*! Create BSSMAP COMMON ID message, 3GPP TS 48.008 3.2.1.68. |
| 1327 | * \param[in] imsi IMSI digits (decimal string). |
| 1328 | * \param[in] selected_plmn_id Selected PLMN ID to encode, or NULL to not encode this IE. |
| 1329 | * \param[in] last_used_eutran_plnm_id Last used E-UTRAN PLMN ID to encode, or NULL to not encode this IE. |
| 1330 | * \returns callee-allocated msgb with BSSMAP COMMON ID message, or NULL if encoding failed. */ |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1331 | struct msgb *gsm0808_create_common_id(const char *imsi, |
| 1332 | const struct osmo_plmn_id *selected_plmn_id, |
| 1333 | const struct osmo_plmn_id *last_used_eutran_plnm_id) |
| 1334 | { |
| 1335 | struct msgb *msg; |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1336 | uint8_t *out; |
Neels Hofmeyr | 9b35e56 | 2020-06-22 17:59:18 +0200 | [diff] [blame] | 1337 | struct osmo_mobile_identity mi; |
| 1338 | int rc; |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1339 | |
| 1340 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "COMMON-ID"); |
| 1341 | if (!msg) |
| 1342 | return NULL; |
| 1343 | |
| 1344 | /* Message Type, 3.2.2.1 */ |
| 1345 | msgb_v_put(msg, BSS_MAP_MSG_COMMON_ID); |
| 1346 | |
| 1347 | /* mandatory IMSI 3.2.2.6 */ |
Neels Hofmeyr | 9b35e56 | 2020-06-22 17:59:18 +0200 | [diff] [blame] | 1348 | mi = (struct osmo_mobile_identity){ .type = GSM_MI_TYPE_IMSI }; |
| 1349 | OSMO_STRLCPY_ARRAY(mi.imsi, imsi); |
| 1350 | out = msgb_tl_put(msg, GSM0808_IE_IMSI); |
| 1351 | rc = osmo_mobile_identity_encode_msgb(msg, &mi, false); |
| 1352 | if (rc < 0) { |
| 1353 | msgb_free(msg); |
| 1354 | return NULL; |
| 1355 | } |
| 1356 | /* write the MI value length */ |
| 1357 | *out = rc; |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1358 | |
| 1359 | /* not implemented: SNA Access Information */ |
| 1360 | |
| 1361 | /* Selected PLMN ID */ |
| 1362 | if (selected_plmn_id) { |
| 1363 | msgb_v_put(msg, GSM0808_IE_SELECTED_PLMN_ID); |
| 1364 | out = msgb_put(msg, 3); |
| 1365 | osmo_plmn_to_bcd(out, selected_plmn_id); |
| 1366 | } |
| 1367 | |
| 1368 | /* Last used E-UTRAN PLMN ID */ |
| 1369 | if (last_used_eutran_plnm_id) { |
| 1370 | msgb_v_put(msg, GSM0808_IE_LAST_USED_EUTRAN_PLMN_ID); |
| 1371 | out = msgb_put(msg, 3); |
| 1372 | osmo_plmn_to_bcd(out, last_used_eutran_plnm_id); |
| 1373 | } |
| 1374 | |
| 1375 | /* prepend header with final length */ |
| 1376 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1377 | |
| 1378 | return msg; |
| 1379 | } |
| 1380 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 1381 | /*! Prepend a DTAP header to given Message Buffer |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 1382 | * \param[in] msgb Message Buffer |
| 1383 | * \param[in] link_id Link Identifier */ |
Holger Hans Peter Freyther | 9a3dec0 | 2010-05-16 08:15:40 +0800 | [diff] [blame] | 1384 | void gsm0808_prepend_dtap_header(struct msgb *msg, uint8_t link_id) |
| 1385 | { |
| 1386 | uint8_t *hh = msgb_push(msg, 3); |
| 1387 | hh[0] = BSSAP_MSG_DTAP; |
| 1388 | hh[1] = link_id; |
| 1389 | hh[2] = msg->len - 3; |
| 1390 | } |
| 1391 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 1392 | /*! Create BSSMAP DTAP message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 1393 | * \param[in] msg_l3 Messge Buffer containing Layer3 message |
| 1394 | * \param[in] link_id Link Identifier |
| 1395 | * \returns callee-allocated msgb with BSSMAP DTAP message */ |
Holger Hans Peter Freyther | c25c668 | 2010-11-04 12:26:06 +0100 | [diff] [blame] | 1396 | struct msgb *gsm0808_create_dtap(struct msgb *msg_l3, uint8_t link_id) |
| 1397 | { |
| 1398 | struct dtap_header *header; |
| 1399 | uint8_t *data; |
| 1400 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 1401 | "dtap"); |
| 1402 | if (!msg) |
| 1403 | return NULL; |
| 1404 | |
| 1405 | /* DTAP header */ |
| 1406 | msg->l3h = msgb_put(msg, sizeof(*header)); |
| 1407 | header = (struct dtap_header *) &msg->l3h[0]; |
| 1408 | header->type = BSSAP_MSG_DTAP; |
| 1409 | header->link_id = link_id; |
| 1410 | header->length = msgb_l3len(msg_l3); |
| 1411 | |
| 1412 | /* Payload */ |
| 1413 | data = msgb_put(msg, header->length); |
| 1414 | memcpy(data, msg_l3->l3h, header->length); |
| 1415 | |
| 1416 | return msg; |
| 1417 | } |
| 1418 | |
Neels Hofmeyr | 5b214e2 | 2020-09-18 18:00:50 +0200 | [diff] [blame] | 1419 | struct msgb *gsm0808_create_perform_location_request(const struct gsm0808_perform_location_request *params) |
| 1420 | { |
| 1421 | struct msgb *msg; |
| 1422 | uint8_t *out; |
| 1423 | int rc; |
| 1424 | |
| 1425 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-PERFORM-LOCATION-REQUEST"); |
| 1426 | if (!msg) |
| 1427 | return NULL; |
| 1428 | |
| 1429 | /* Message Type, 3.2.2.1 */ |
| 1430 | msgb_v_put(msg, BSS_MAP_MSG_PERFORM_LOCATION_RQST); |
| 1431 | |
| 1432 | /* Location Type 3.2.2.63 */ |
| 1433 | osmo_bssmap_le_ie_enc_location_type(msg, ¶ms->location_type); |
| 1434 | |
| 1435 | if (params->imsi.type == GSM_MI_TYPE_IMSI) { |
| 1436 | /* IMSI 3.2.2.6 */ |
| 1437 | out = msgb_tl_put(msg, GSM0808_IE_IMSI); |
| 1438 | rc = osmo_mobile_identity_encode_msgb(msg, ¶ms->imsi, false); |
| 1439 | if (rc < 0) { |
| 1440 | msgb_free(msg); |
| 1441 | return NULL; |
| 1442 | } |
| 1443 | /* write the MI value length */ |
| 1444 | *out = rc; |
| 1445 | } |
| 1446 | |
| 1447 | /* prepend header with final length */ |
| 1448 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1449 | |
| 1450 | return msg; |
| 1451 | } |
| 1452 | |
| 1453 | struct msgb *gsm0808_create_perform_location_response(const struct gsm0808_perform_location_response *params) |
| 1454 | { |
| 1455 | struct msgb *msg; |
| 1456 | |
| 1457 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-PERFORM-LOCATION-RESPONSE"); |
| 1458 | if (!msg) |
| 1459 | return NULL; |
| 1460 | |
| 1461 | /* Message Type, 3.2.2.1 */ |
| 1462 | msgb_v_put(msg, BSS_MAP_MSG_PERFORM_LOCATION_RESPONSE); |
| 1463 | |
| 1464 | if (params->location_estimate_present) { |
| 1465 | uint8_t *l = msgb_tl_put(msg, GSM0808_IE_LOCATION_ESTIMATE); |
| 1466 | int rc = osmo_gad_raw_write(msg, ¶ms->location_estimate); |
| 1467 | if (rc < 0) { |
| 1468 | msgb_free(msg); |
| 1469 | return NULL; |
| 1470 | } |
| 1471 | *l = rc; |
| 1472 | } |
| 1473 | |
| 1474 | if (params->lcs_cause.present) { |
| 1475 | uint8_t *l = msgb_tl_put(msg, GSM0808_IE_LCS_CAUSE); |
| 1476 | int rc = osmo_lcs_cause_enc(msg, ¶ms->lcs_cause); |
| 1477 | if (rc < 0) { |
| 1478 | msgb_free(msg); |
| 1479 | return NULL; |
| 1480 | } |
| 1481 | *l = rc; |
| 1482 | } |
| 1483 | |
| 1484 | /* prepend header with final length */ |
| 1485 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1486 | |
| 1487 | return msg; |
| 1488 | } |
| 1489 | |
| 1490 | int gsm0808_enc_lcs_cause(struct msgb *msg, const struct lcs_cause_ie *lcs_cause) |
| 1491 | { |
| 1492 | uint8_t *l = msgb_tl_put(msg, GSM0808_IE_LCS_CAUSE); |
| 1493 | int rc = osmo_lcs_cause_enc(msg, lcs_cause); |
| 1494 | if (rc <= 0) |
| 1495 | return rc; |
| 1496 | *l = rc; |
| 1497 | return rc + 2; |
| 1498 | } |
| 1499 | |
| 1500 | struct msgb *gsm0808_create_perform_location_abort(const struct lcs_cause_ie *lcs_cause) |
| 1501 | { |
| 1502 | struct msgb *msg; |
| 1503 | |
| 1504 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-PERFORM-LOCATION-ABORT"); |
| 1505 | if (!msg) |
| 1506 | return NULL; |
| 1507 | |
| 1508 | /* Message Type, 3.2.2.1 */ |
| 1509 | msgb_v_put(msg, BSS_MAP_MSG_PERFORM_LOCATION_ABORT); |
| 1510 | |
| 1511 | gsm0808_enc_lcs_cause(msg, lcs_cause); |
| 1512 | |
| 1513 | /* prepend header with final length */ |
| 1514 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1515 | |
| 1516 | return msg; |
| 1517 | } |
| 1518 | |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 1519 | /*! Create BSSMAP VGCS/VBS SETUP message, 3GPP TS 48.008 3.2.1.50. |
| 1520 | * Sent from the MSC to the BSC to request VGCS/VBS call. */ |
| 1521 | struct msgb *gsm0808_create_vgcs_vbs_setup(const struct gsm0808_vgcs_vbs_setup *params) |
| 1522 | { |
| 1523 | struct msgb *msg; |
| 1524 | |
| 1525 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-SETUP"); |
| 1526 | if (!msg) |
| 1527 | return NULL; |
| 1528 | |
| 1529 | /* Message Type, 3.2.2.1 */ |
| 1530 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_SETUP); |
| 1531 | |
| 1532 | /* Group Call Reference, 3.2.2.55 */ |
| 1533 | gsm0808_enc_group_callref(msg, ¶ms->callref); |
| 1534 | |
| 1535 | /* Priority, 3.2.2.18 */ |
| 1536 | if (params->priority_present) |
| 1537 | gsm0808_enc_priority(msg, ¶ms->priority); |
| 1538 | |
| 1539 | /* VGCS Feature Flags, 3.2.2.88 */ |
| 1540 | if (params->vgcs_feature_flags_present) |
| 1541 | gsm0808_enc_vgcs_feature_flags(msg, ¶ms->flags); |
| 1542 | |
| 1543 | /* prepend header with final length */ |
| 1544 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1545 | |
| 1546 | return msg; |
| 1547 | } |
| 1548 | |
| 1549 | /*! Create BSSMAP VGCS/VBS SETUP ACK message, 3GPP TS 48.008 3.2.1.51. |
| 1550 | * Sent from the BSC to the MSC to confirm VGCS/VBS call. */ |
| 1551 | struct msgb *gsm0808_create_vgcs_vbs_setup_ack(const struct gsm0808_vgcs_vbs_setup_ack *params) |
| 1552 | { |
| 1553 | struct msgb *msg; |
| 1554 | |
| 1555 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-SETUP-ACK"); |
| 1556 | if (!msg) |
| 1557 | return NULL; |
| 1558 | |
| 1559 | /* Message Type, 3.2.2.1 */ |
| 1560 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_SETUP_ACK); |
| 1561 | |
| 1562 | /* VGCS Feature Flags, 3.2.2.88 */ |
| 1563 | if (params->vgcs_feature_flags_present) |
| 1564 | gsm0808_enc_vgcs_feature_flags(msg, ¶ms->flags); |
| 1565 | |
| 1566 | /* prepend header with final length */ |
| 1567 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1568 | |
| 1569 | return msg; |
| 1570 | } |
| 1571 | |
| 1572 | /*! Create BSSMAP VGCS/VBS SETUP REFUSE message, 3GPP TS 48.008 3.2.1.52. |
| 1573 | * Sent from the BSC to the MSC to reject VGCS/VBS call. */ |
| 1574 | struct msgb *gsm0808_create_vgcs_vbs_setup_refuse(enum gsm0808_cause cause) |
| 1575 | { |
| 1576 | struct msgb *msg; |
| 1577 | |
| 1578 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-SETUP-REFUSE"); |
| 1579 | if (!msg) |
| 1580 | return NULL; |
| 1581 | |
| 1582 | /* Message Type, 3.2.2.1 */ |
| 1583 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_SETUP_REFUSE); |
| 1584 | |
| 1585 | /* Cause, 3.2.2.5 */ |
| 1586 | gsm0808_enc_cause(msg, cause); |
| 1587 | |
| 1588 | /* prepend header with final length */ |
| 1589 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1590 | |
| 1591 | return msg; |
| 1592 | } |
| 1593 | |
| 1594 | /*! Create BSSMAP VGCS/VBS ASSIGNMENT REQUEST message, 3GPP TS 48.008 3.2.1.53. |
| 1595 | * Sent from the MSC to the BSC to assign radio resources for a VGCS/VBS. */ |
| 1596 | struct msgb *gsm0808_create_vgcs_vbs_assign_req(const struct gsm0808_vgcs_vbs_assign_req *params) |
| 1597 | { |
| 1598 | struct msgb *msg; |
| 1599 | |
| 1600 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-ASSIGNMENT-REQUEST"); |
| 1601 | if (!msg) |
| 1602 | return NULL; |
| 1603 | |
| 1604 | /* Message Type, 3.2.2.1 */ |
| 1605 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RQST); |
| 1606 | |
| 1607 | /* Channel Type, 3.2.2.11 */ |
| 1608 | gsm0808_enc_channel_type(msg, ¶ms->channel_type); |
| 1609 | |
| 1610 | /* Assignment Requrirement, 3.2.2.52 */ |
| 1611 | gsm0808_enc_assign_req(msg, params->ass_req); |
| 1612 | |
| 1613 | /* Cell Identifier, 3.2.2.17 */ |
| 1614 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1615 | |
| 1616 | /* Group Call Reference, 3.2.2.55 */ |
| 1617 | gsm0808_enc_group_callref(msg, ¶ms->callref); |
| 1618 | |
| 1619 | /* Priority, 3.2.2.18 */ |
| 1620 | if (params->priority_present) |
| 1621 | gsm0808_enc_priority(msg, ¶ms->priority); |
| 1622 | |
| 1623 | /* Circuit Identity Code, 3.2.2.2 */ |
| 1624 | if (params->cic_present) |
| 1625 | msgb_tv16_put(msg, GSM0808_IE_CIRCUIT_IDENTITY_CODE, params->cic); |
| 1626 | |
| 1627 | /* Downlink DTX Flag, 3.2.2.26 */ |
| 1628 | if (params->downlink_dtx_flag_present) |
| 1629 | msgb_tv_put(msg, GSM0808_IE_DOWNLINK_DTX_FLAG, params->downlink_dtx_flag); |
| 1630 | |
| 1631 | /* Encryption Information, 3.2.2.10 */ |
| 1632 | if (params->encryption_information_present) |
| 1633 | gsm0808_enc_encrypt_info(msg, ¶ms->encryption_information); |
| 1634 | |
| 1635 | /* VSTK_RAND Imformation, 3.2.2.83 */ |
| 1636 | if (params->vstk_rand_present) |
| 1637 | msgb_tlv_put(msg, GSM0808_IE_VSTK_RAND_INFO, sizeof(params->vstk_rand), params->vstk_rand); |
| 1638 | |
| 1639 | /* VSTK Information, 3.2.2.84 */ |
| 1640 | if (params->vstk_present) |
| 1641 | msgb_tlv_put(msg, GSM0808_IE_VSTK_INFO, sizeof(params->vstk), params->vstk); |
| 1642 | |
| 1643 | /* Cell Identifier List Segment, 3.2.2.27a */ |
| 1644 | if (params->cils_present) |
| 1645 | gsm0808_enc_cell_id_list_segment(msg, GSM0808_IE_CELL_ID_LIST_SEGMENT, ¶ms->cils); |
| 1646 | |
| 1647 | /* AoIP Transport Layer Address (MGW), 3.2.2.102 */ |
| 1648 | if (params->aoip_transport_layer_present) |
| 1649 | gsm0808_enc_aoip_trasp_addr(msg, ¶ms->aoip_transport_layer); |
| 1650 | |
| 1651 | /* Call Identifier, 3.2.2.105 */ |
| 1652 | if (params->call_id_present) { |
| 1653 | /* NOTE: 3GPP TS 48.008, section 3.2.2.105 specifies that |
| 1654 | * the least significant byte shall be transmitted first. */ |
| 1655 | msgb_v_put(msg, GSM0808_IE_CALL_ID); |
| 1656 | osmo_store32le(params->call_id, msgb_put(msg, sizeof(uint32_t))); |
| 1657 | } |
| 1658 | |
| 1659 | /* Codec List (MSC Preferred) 3.2.2.103 */ |
| 1660 | if (params->codec_list_present) { |
| 1661 | if (gsm0808_enc_speech_codec_list2(msg, ¶ms->codec_list_msc_preferred) < 0) |
| 1662 | goto exit_free; |
| 1663 | } |
| 1664 | |
| 1665 | /* prepend header with final length */ |
| 1666 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1667 | |
| 1668 | return msg; |
| 1669 | |
| 1670 | exit_free: |
| 1671 | msgb_free(msg); |
| 1672 | return NULL; |
| 1673 | } |
| 1674 | |
| 1675 | /*! Create BSSMAP VGCS/VBS ASSIGNMENT RESULT message, 3GPP TS 48.008 3.2.1.54. |
| 1676 | * Sent from the BSC to the MSC to indicate assignment/deassingment of radio resources for a VGCS/VBS. */ |
| 1677 | struct msgb *gsm0808_create_vgcs_vbs_assign_res(const struct gsm0808_vgcs_vbs_assign_res *params) |
| 1678 | { |
| 1679 | struct msgb *msg; |
| 1680 | |
| 1681 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-ASSIGNMENT-RESULT"); |
| 1682 | if (!msg) |
| 1683 | return NULL; |
| 1684 | |
| 1685 | /* Message Type, 3.2.2.1 */ |
| 1686 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RESULT); |
| 1687 | |
| 1688 | /* Channel Type, 3.2.2.11 */ |
| 1689 | gsm0808_enc_channel_type(msg, ¶ms->channel_type); |
| 1690 | |
| 1691 | /* Cell Identifier, 3.2.2.17 */ |
| 1692 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1693 | |
| 1694 | /* Chosen Channel, 3.2.2.33 */ |
| 1695 | if (params->chosen_channel_present) |
| 1696 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
| 1697 | |
| 1698 | /* Circuit Identity Code, 3.2.2.2 */ |
| 1699 | if (params->cic_present) |
| 1700 | msgb_tv16_put(msg, GSM0808_IE_CIRCUIT_IDENTITY_CODE, params->cic); |
| 1701 | |
| 1702 | /* Circuit Pool, 3.2.2.45 */ |
| 1703 | if (params->circuit_pool_present) |
| 1704 | msgb_tv_put(msg, GSM0808_IE_CIRCUIT_POOL, params->circuit_pool); |
| 1705 | |
| 1706 | /* AoIP Transport Layer Address (BSS), 3.2.2.102 */ |
| 1707 | if (params->aoip_transport_layer_present) |
| 1708 | gsm0808_enc_aoip_trasp_addr(msg, ¶ms->aoip_transport_layer); |
| 1709 | |
| 1710 | /* Codec (MSC Chosen) 3.2.2.103 */ |
| 1711 | if (params->codec_present) { |
| 1712 | if (gsm0808_enc_speech_codec2(msg, ¶ms->codec_msc_chosen) < 0) |
| 1713 | goto exit_free; |
| 1714 | } |
| 1715 | |
| 1716 | /* Call Identifier, 3.2.2.105 */ |
| 1717 | if (params->call_id_present) { |
| 1718 | /* NOTE: 3GPP TS 48.008, section 3.2.2.105 specifies that |
| 1719 | * the least significant byte shall be transmitted first. */ |
| 1720 | msgb_v_put(msg, GSM0808_IE_CALL_ID); |
| 1721 | osmo_store32le(params->call_id, msgb_put(msg, sizeof(uint32_t))); |
| 1722 | } |
| 1723 | |
| 1724 | /* prepend header with final length */ |
| 1725 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1726 | |
| 1727 | return msg; |
| 1728 | |
| 1729 | exit_free: |
| 1730 | msgb_free(msg); |
| 1731 | return NULL; |
| 1732 | } |
| 1733 | |
| 1734 | /*! Create BSSMAP VGCS/VBS ASSIGNMENT FAILURE message, 3GPP TS 48.008 3.2.1.55. |
| 1735 | * Sent from the BSC to the MSC to indicate assignment failure for a VGCS/VBS. */ |
| 1736 | struct msgb *gsm0808_create_vgcs_vbs_assign_fail(const struct gsm0808_vgcs_vbs_assign_fail *params) |
| 1737 | { |
| 1738 | struct msgb *msg; |
| 1739 | |
| 1740 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-ASSIGNMENT-RESULT"); |
| 1741 | if (!msg) |
| 1742 | return NULL; |
| 1743 | |
| 1744 | /* Message Type, 3.2.2.1 */ |
| 1745 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_FAILURE); |
| 1746 | |
| 1747 | /* Cause, 3.2.2.5 */ |
| 1748 | gsm0808_enc_cause(msg, params->cause); |
| 1749 | |
| 1750 | /* Circuit Pool, 3.2.2.45 */ |
| 1751 | if (params->circuit_pool_present) |
| 1752 | msgb_tv_put(msg, GSM0808_IE_CIRCUIT_POOL, params->circuit_pool); |
| 1753 | |
| 1754 | /* Circuit Pool List, 3.2.2.46 */ |
| 1755 | if (params->circuit_pool_present) |
| 1756 | msgb_tlv_put(msg, GSM0808_IE_CIRCUIT_POOL_LIST, params->cpl.list_len, params->cpl.pool); |
| 1757 | |
| 1758 | /* Codec List (BSS Supported) 3.2.2.103 */ |
Andreas Eversberg | 209bc38 | 2023-07-19 10:26:27 +0200 | [diff] [blame] | 1759 | if (params->codec_list_present) { |
| 1760 | if (gsm0808_enc_speech_codec_list2(msg, ¶ms->codec_list_bss_supported) < 0) |
| 1761 | goto exit_free; |
| 1762 | } |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 1763 | |
| 1764 | /* prepend header with final length */ |
| 1765 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1766 | |
| 1767 | return msg; |
Andreas Eversberg | 209bc38 | 2023-07-19 10:26:27 +0200 | [diff] [blame] | 1768 | |
| 1769 | exit_free: |
| 1770 | msgb_free(msg); |
| 1771 | return NULL; |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 1772 | } |
| 1773 | |
| 1774 | /*! Create BSSMAP VGCS/VBS QUEUING INDICATION message, 3GPP TS 48.008 3.2.1.56. |
| 1775 | * Sent from the BSC to the MSC to indicate delay in assignment for a VGCS/VBS. */ |
| 1776 | struct msgb *gsm0808_create_vgcs_queuing_ind(void) |
| 1777 | { |
| 1778 | struct msgb *msg; |
| 1779 | uint8_t val = BSS_MAP_MSG_VGCS_VBS_QUEUING_INDICATION; |
| 1780 | |
| 1781 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-QUEUING-INDICATION"); |
| 1782 | if (!msg) |
| 1783 | return NULL; |
| 1784 | |
| 1785 | msg->l3h = msg->data; |
| 1786 | msgb_tlv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 1, &val); |
| 1787 | |
| 1788 | return msg; |
| 1789 | } |
| 1790 | |
| 1791 | /*! Create BSSMAP (VGCS) UPLINK REQUEST message, 3GPP TS 48.008 3.2.1.57. |
| 1792 | * Sent from the BSC to the MSC to indicate that a mobile requested access to uplink. */ |
| 1793 | struct msgb *gsm0808_create_uplink_request(const struct gsm0808_uplink_request *params) |
| 1794 | { |
| 1795 | struct msgb *msg; |
| 1796 | int rc; |
| 1797 | |
| 1798 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-REQUEST"); |
| 1799 | if (!msg) |
| 1800 | return NULL; |
| 1801 | |
| 1802 | /* Message Type, 3.2.2.1 */ |
| 1803 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_RQST); |
| 1804 | |
| 1805 | /* Talker Priority, 3.2.2.89 */ |
| 1806 | if (params->talker_priority_present) |
| 1807 | msgb_tv_put(msg, GSM0808_IE_TALKER_PRIORITY, params->talker_priority); |
| 1808 | |
| 1809 | /* Cell Identifier, 3.2.2.17 */ |
| 1810 | if (params->cell_identifier_present) |
| 1811 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1812 | |
| 1813 | /* Layer 3 Information, 3.2.2.24 */ |
| 1814 | if (params->l3_present) |
| 1815 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3.l3_len, params->l3.l3); |
| 1816 | |
| 1817 | /* Mobile Identity, 3.2.2.41 */ |
| 1818 | if (params->mi_present) { |
| 1819 | rc = osmo_mobile_identity_encode_msgb(msg, ¶ms->mi, false); |
| 1820 | if (rc < 0) { |
| 1821 | msgb_free(msg); |
| 1822 | return NULL; |
| 1823 | } |
| 1824 | } |
| 1825 | |
| 1826 | /* prepend header with final length */ |
| 1827 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1828 | |
| 1829 | return msg; |
| 1830 | } |
| 1831 | |
| 1832 | /*! Create BSSMAP (VGCS) UPLINK REQUEST ACKNOWLEDGE message, 3GPP TS 48.008 3.2.1.58. |
| 1833 | * Sent from the MSC to the BSC to indicate that access to uplink was granted. */ |
| 1834 | struct msgb *gsm0808_create_uplink_request_ack(const struct gsm0808_uplink_request_ack *params) |
| 1835 | { |
| 1836 | struct msgb *msg; |
| 1837 | |
| 1838 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-REQUEST-ACKNOWLEDGE"); |
| 1839 | if (!msg) |
| 1840 | return NULL; |
| 1841 | |
| 1842 | /* Message Type, 3.2.2.1 */ |
| 1843 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_RQST_ACKNOWLEDGE); |
| 1844 | |
| 1845 | /* Talker Priority, 3.2.2.89 */ |
| 1846 | if (params->talker_priority_present) |
| 1847 | msgb_tv_put(msg, GSM0808_IE_TALKER_PRIORITY, params->talker_priority); |
| 1848 | |
| 1849 | /* Emergency set indication, 3.2.2.90 */ |
| 1850 | if (params->emerg_set_ind_present) |
| 1851 | msgb_v_put(msg, GSM0808_IE_EMERGENCY_SET_INDICATION); |
| 1852 | |
| 1853 | /* Talker Identity, 3.2.2.91 */ |
| 1854 | if (params->talker_identity_present) |
| 1855 | gsm0808_enc_talker_identity(msg, ¶ms->talker_identity); |
| 1856 | |
| 1857 | /* prepend header with final length */ |
| 1858 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1859 | |
| 1860 | return msg; |
| 1861 | } |
| 1862 | |
| 1863 | /*! Create BSSMAP (VGCS) UPLINK CONFIRM message, 3GPP TS 48.008 3.2.1.59. |
| 1864 | * Sent from the BSC to the MSC to indicate that access to uplink was has been successfully established. */ |
| 1865 | struct msgb *gsm0808_create_uplink_request_cnf(const struct gsm0808_uplink_request_cnf *params) |
| 1866 | { |
| 1867 | struct msgb *msg; |
| 1868 | |
| 1869 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-REQUEST-CONFIRM"); |
| 1870 | if (!msg) |
| 1871 | return NULL; |
| 1872 | |
| 1873 | /* Message Type, 3.2.2.1 */ |
| 1874 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_RQST_CONFIRMATION); |
| 1875 | |
| 1876 | /* Cell Identifier, 3.2.2.17 */ |
| 1877 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1878 | |
| 1879 | /* Talker Identity, 3.2.2.91 */ |
| 1880 | if (params->talker_identity_present) |
| 1881 | gsm0808_enc_talker_identity(msg, ¶ms->talker_identity); |
| 1882 | |
| 1883 | /* Layer 3 Information, 3.2.2.24 */ |
| 1884 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3.l3_len, params->l3.l3); |
| 1885 | |
| 1886 | /* prepend header with final length */ |
| 1887 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1888 | |
| 1889 | return msg; |
| 1890 | } |
| 1891 | |
| 1892 | /*! Create BSSMAP (VGCS) UPLINK APPLICATION DATA message, 3GPP TS 48.008 3.2.1.59a. |
| 1893 | * Sent from the BSC to the MSC to pass L3 info from the talker. */ |
| 1894 | struct msgb *gsm0808_create_uplink_app_data(const struct gsm0808_uplink_app_data *params) |
| 1895 | { |
| 1896 | struct msgb *msg; |
| 1897 | uint8_t val; |
| 1898 | |
| 1899 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-APPLICATION-DATA"); |
| 1900 | if (!msg) |
| 1901 | return NULL; |
| 1902 | |
| 1903 | /* Message Type, 3.2.2.1 */ |
| 1904 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_APP_DATA); |
| 1905 | |
| 1906 | /* Cell Identifier, 3.2.2.17 */ |
| 1907 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1908 | |
| 1909 | /* Layer 3 Information, 3.2.2.24 */ |
| 1910 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3.l3_len, params->l3.l3); |
| 1911 | |
| 1912 | /* Application Data Information, 3.2.2.100 */ |
| 1913 | val = params->bt_ind; |
| 1914 | msgb_tlv_put(msg, GSM0808_IE_APP_DATA_INFO, 1, &val); |
| 1915 | |
| 1916 | /* prepend header with final length */ |
| 1917 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1918 | |
| 1919 | return msg; |
| 1920 | } |
| 1921 | |
| 1922 | /*! Create BSSMAP (VGCS) UPLINK RELEASE INDICATION message, 3GPP TS 48.008 3.2.1.60. |
| 1923 | * Sent from the BSC to the MSC to indicate that the uplink has been released. */ |
| 1924 | struct msgb *gsm0808_create_uplink_release_ind(const struct gsm0808_uplink_release_ind *params) |
| 1925 | { |
| 1926 | struct msgb *msg; |
| 1927 | |
| 1928 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-RELEASE-INDICATION"); |
| 1929 | if (!msg) |
| 1930 | return NULL; |
| 1931 | |
| 1932 | /* Message Type, 3.2.2.1 */ |
| 1933 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_RELEASE_INDICATION); |
| 1934 | |
| 1935 | /* Cause, 3.2.2.5 */ |
| 1936 | gsm0808_enc_cause(msg, params->cause); |
| 1937 | |
| 1938 | /* Talker Priority, 3.2.2.89 */ |
| 1939 | if (params->talker_priority_present) |
| 1940 | msgb_tv_put(msg, GSM0808_IE_TALKER_PRIORITY, params->talker_priority); |
| 1941 | |
| 1942 | /* prepend header with final length */ |
| 1943 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1944 | |
| 1945 | return msg; |
| 1946 | } |
| 1947 | |
| 1948 | /*! Create BSSMAP (VGCS) UPLINK REJECT COMMAND message, 3GPP TS 48.008 3.2.1.61. |
| 1949 | * Sent from the MSC to the BSC to indicate that the uplink is not available for allocation. */ |
| 1950 | struct msgb *gsm0808_create_uplink_reject_cmd(const struct gsm0808_uplink_reject_cmd *params) |
| 1951 | { |
| 1952 | struct msgb *msg; |
| 1953 | |
| 1954 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-REJECT-COMMAND"); |
| 1955 | if (!msg) |
| 1956 | return NULL; |
| 1957 | |
| 1958 | /* Message Type, 3.2.2.1 */ |
| 1959 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_REJECT_CMD); |
| 1960 | |
| 1961 | /* Cause, 3.2.2.5 */ |
| 1962 | gsm0808_enc_cause(msg, params->cause); |
| 1963 | |
| 1964 | /* Talker Priority, 3.2.2.89 */ |
| 1965 | if (params->current_talker_priority_present) |
| 1966 | msgb_tv_put(msg, GSM0808_IE_TALKER_PRIORITY, params->current_talker_priority); |
| 1967 | |
| 1968 | /* Talker Priority, 3.2.2.89 */ |
| 1969 | if (params->rejected_talker_priority_present) |
| 1970 | msgb_tv_put(msg, GSM0808_IE_TALKER_PRIORITY, params->rejected_talker_priority); |
| 1971 | |
| 1972 | /* Talker Identity, 3.2.2.91 */ |
| 1973 | if (params->talker_identity_present) |
| 1974 | gsm0808_enc_talker_identity(msg, ¶ms->talker_identity); |
| 1975 | |
| 1976 | /* prepend header with final length */ |
| 1977 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1978 | |
| 1979 | return msg; |
| 1980 | } |
| 1981 | |
| 1982 | /*! Create BSSMAP (VGCS) UPLINK RELEASE COMMAND message, 3GPP TS 48.008 3.2.1.62. |
| 1983 | * Sent from the MSC to the BSC to indicate that the uplink is available for allocation. */ |
| 1984 | struct msgb *gsm0808_create_uplink_release_cmd(const enum gsm0808_cause cause) |
| 1985 | { |
| 1986 | struct msgb *msg; |
| 1987 | |
| 1988 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-RELEASE-COMMAND"); |
| 1989 | if (!msg) |
| 1990 | return NULL; |
| 1991 | |
| 1992 | /* Message Type, 3.2.2.1 */ |
| 1993 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_RELEASE_CMD); |
| 1994 | |
| 1995 | /* Cause, 3.2.2.5 */ |
| 1996 | gsm0808_enc_cause(msg, cause); |
| 1997 | |
| 1998 | /* prepend header with final length */ |
| 1999 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2000 | |
| 2001 | return msg; |
| 2002 | } |
| 2003 | |
| 2004 | /*! Create BSSMAP (VGCS) UPLINK SEIZED COMMAND message, 3GPP TS 48.008 3.2.1.62. |
| 2005 | * Sent from the MSC to the BSC to indicate that the uplink is no longer available for allocation. */ |
| 2006 | struct msgb *gsm0808_create_uplink_seized_cmd(const struct gsm0808_uplink_seized_cmd *params) |
| 2007 | { |
| 2008 | struct msgb *msg; |
| 2009 | |
| 2010 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-UPLINK-SEIZED-COMMAND"); |
| 2011 | if (!msg) |
| 2012 | return NULL; |
| 2013 | |
| 2014 | /* Message Type, 3.2.2.1 */ |
| 2015 | msgb_v_put(msg, BSS_MAP_MSG_UPLINK_SEIZED_CMD); |
| 2016 | |
| 2017 | /* Cause, 3.2.2.5 */ |
| 2018 | gsm0808_enc_cause(msg, params->cause); |
| 2019 | |
| 2020 | /* Talker Priority, 3.2.2.89 */ |
| 2021 | if (params->talker_priority_present) |
| 2022 | msgb_tv_put(msg, GSM0808_IE_TALKER_PRIORITY, params->talker_priority); |
| 2023 | |
| 2024 | /* Emergency set indication, 3.2.2.90 */ |
| 2025 | if (params->emerg_set_ind_present) |
| 2026 | msgb_v_put(msg, GSM0808_IE_EMERGENCY_SET_INDICATION); |
| 2027 | |
| 2028 | /* Talker Identity, 3.2.2.91 */ |
| 2029 | if (params->talker_identity_present) |
| 2030 | gsm0808_enc_talker_identity(msg, ¶ms->talker_identity); |
| 2031 | |
| 2032 | /* prepend header with final length */ |
| 2033 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2034 | |
| 2035 | return msg; |
| 2036 | } |
| 2037 | |
| 2038 | /*! Create BSSMAP VGCS ADDITIONAL INFORMATION message, 3GPP TS 48.008 3.2.1.78. |
| 2039 | * Sent from the MSC to the BSC to transfer talker identity. */ |
| 2040 | struct msgb *gsm0808_create_vgcs_additional_info(const struct gsm0808_talker_identity *ti) |
| 2041 | { |
| 2042 | struct msgb *msg; |
| 2043 | |
| 2044 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS-ADDITIONAL-INFO"); |
| 2045 | if (!msg) |
| 2046 | return NULL; |
| 2047 | |
| 2048 | /* Message Type, 3.2.2.1 */ |
| 2049 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_ADDL_INFO); |
| 2050 | |
| 2051 | /* Talker Identity, 3.2.2.91 */ |
| 2052 | gsm0808_enc_talker_identity(msg, ti); |
| 2053 | |
| 2054 | /* prepend header with final length */ |
| 2055 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2056 | |
| 2057 | return msg; |
| 2058 | } |
| 2059 | |
| 2060 | /*! Create BSSMAP VGCS/VBS AREA CELL INFO message, 3GPP TS 48.008 3.2.1.79. |
| 2061 | * Sent from the BSC to the MSC to transfer additional infos about cells. */ |
| 2062 | struct msgb *gsm0808_create_vgcs_vbs_area_cell_info(const struct gsm0808_vgcs_vbs_area_cell_info *params) |
| 2063 | { |
| 2064 | struct msgb *msg; |
| 2065 | |
| 2066 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-AREA-CELL-INFO"); |
| 2067 | if (!msg) |
| 2068 | return NULL; |
| 2069 | |
| 2070 | /* Message Type, 3.2.2.1 */ |
| 2071 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RQST); |
| 2072 | |
| 2073 | /* Cell Identifier List Segment, 3.2.2.27a */ |
| 2074 | gsm0808_enc_cell_id_list_segment(msg, GSM0808_IE_CELL_ID_LIST_SEGMENT, ¶ms->cils); |
| 2075 | |
| 2076 | /* Assignment Requrirement, 3.2.2.52 */ |
| 2077 | if (params->ass_req_present) |
| 2078 | gsm0808_enc_assign_req(msg, params->ass_req); |
| 2079 | |
| 2080 | /* prepend header with final length */ |
| 2081 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2082 | |
| 2083 | return msg; |
| 2084 | } |
| 2085 | |
| 2086 | /*! Create BSSMAP VGCS/VBS ASSIGNMENT STATUS message, 3GPP TS 48.008 3.2.1.80. |
| 2087 | * Sent from the BSC to the MSC to indicate assignment status for each cell. */ |
| 2088 | struct msgb *gsm0808_create_vgcs_vbs_assign_stat(const struct gsm0808_vgcs_vbs_assign_stat *params) |
| 2089 | { |
| 2090 | struct msgb *msg; |
| 2091 | uint8_t val; |
| 2092 | |
| 2093 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS/VBS-ASSIGNMENT-STATUS"); |
| 2094 | if (!msg) |
| 2095 | return NULL; |
| 2096 | |
| 2097 | /* Message Type, 3.2.2.1 */ |
| 2098 | msgb_v_put(msg, BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_STATUS); |
| 2099 | |
| 2100 | /* Cell Identifier List Segment, 3.2.2.27b */ |
| 2101 | if (params->cils_est_present) |
| 2102 | gsm0808_enc_cell_id_list_segment(msg, GSM0808_IE_CELL_ID_LIST_SEG_EST_CELLS, ¶ms->cils_est); |
| 2103 | /* Cell Identifier List Segment, 3.2.2.27c */ |
| 2104 | if (params->cils_tbe_present) |
| 2105 | gsm0808_enc_cell_id_list_segment(msg, GSM0808_IE_CELL_ID_LIST_SEG_CELLS_TBE, ¶ms->cils_tbe); |
| 2106 | /* Cell Identifier List Segment, 3.2.2.27e */ |
| 2107 | if (params->cils_rel_present) |
| 2108 | gsm0808_enc_cell_id_list_segment(msg, GSM0808_IE_CELL_ID_LIST_SEG_REL_CELLS, ¶ms->cils_rel); |
| 2109 | /* Cell Identifier List Segment, 3.2.2.27f */ |
| 2110 | if (params->cils_ne_present) |
| 2111 | gsm0808_enc_cell_id_list_segment(msg, GSM0808_IE_CELL_ID_LIST_SEG_NE_CELLS, ¶ms->cils_ne); |
| 2112 | |
| 2113 | /* VGCS/VBS Cell Status, 3.2.2.94 */ |
| 2114 | if (params->cell_status_present) { |
| 2115 | val = params->cell_status; |
| 2116 | msgb_tlv_put(msg, GSM0808_IE_VGCS_VBS_CELL_STATUS, 1, &val); |
| 2117 | } |
| 2118 | |
| 2119 | /* prepend header with final length */ |
| 2120 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2121 | |
| 2122 | return msg; |
| 2123 | } |
| 2124 | |
| 2125 | /*! Create BSSMAP VGCS SMS message, 3GPP TS 48.008 3.2.1.81. |
| 2126 | * Sent from the MSC to the BSC to send an SMS to VGCS. */ |
| 2127 | struct msgb *gsm0808_create_vgcs_sms(const struct gsm0808_sms_to_vgcs *sms) |
| 2128 | { |
| 2129 | struct msgb *msg; |
| 2130 | |
| 2131 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS-SMS"); |
| 2132 | if (!msg) |
| 2133 | return NULL; |
| 2134 | |
| 2135 | /* SMS to VGCS, 3.2.2.92 */ |
| 2136 | msgb_tlv_put(msg, GSM0808_IE_VGCS_VBS_CELL_STATUS, sms->sms_len, sms->sms); |
| 2137 | |
| 2138 | /* prepend header with final length */ |
| 2139 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2140 | |
| 2141 | return msg; |
| 2142 | } |
| 2143 | |
| 2144 | /*! Create BSSMAP (VGCS/VBS) NOTIFICATION DATA message, 3GPP TS 48.008 3.2.1.82. |
| 2145 | * Sent from the MSC to the BSC to send application specific data. */ |
| 2146 | struct msgb *gsm0808_create_notification_data(const struct gsm0808_notification_data *params) |
| 2147 | { |
| 2148 | struct msgb *msg; |
| 2149 | |
| 2150 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-VGCS-SMS"); |
| 2151 | if (!msg) |
| 2152 | return NULL; |
| 2153 | |
| 2154 | /* Message Type, 3.2.2.1 */ |
| 2155 | msgb_v_put(msg, BSS_MAP_MSG_NOTIFICATION_DATA); |
| 2156 | |
| 2157 | /* Application Data, 3.2.2.98 */ |
| 2158 | msgb_tlv_put(msg, GSM0808_IE_APP_DATA, params->app_data.data_len, params->app_data.data); |
| 2159 | |
| 2160 | /* Data Identity, 3.2.2.99 */ |
| 2161 | gsm0808_enc_data_identity(msg, ¶ms->data_ident); |
| 2162 | |
| 2163 | /* MSISDN, 3.2.2.101 */ |
| 2164 | if (params->msisdn_present) |
| 2165 | gsm0808_enc_msisdn(msg, params->msisdn); |
| 2166 | |
| 2167 | /* prepend header with final length */ |
| 2168 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 2169 | |
| 2170 | return msg; |
| 2171 | } |
| 2172 | |
| 2173 | /* Note that EMERGENCY RESET INDICATION and EMERGENCY RESET COMMAND cannot be implemented, due to lack of |
| 2174 | * message type information in the specifications. */ |
| 2175 | |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2176 | /* As per 3GPP TS 48.008 version 11.7.0 Release 11 */ |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 2177 | static const struct tlv_definition bss_att_tlvdef = { |
| 2178 | .def = { |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2179 | [GSM0808_IE_CIRCUIT_IDENTITY_CODE] = { TLV_TYPE_FIXED, 2 }, |
| 2180 | [GSM0808_IE_CONNECTION_RELEASE_RQSTED] = { TLV_TYPE_TV }, |
| 2181 | [GSM0808_IE_RESOURCE_AVAILABLE] = { TLV_TYPE_FIXED, 21 }, |
| 2182 | [GSM0808_IE_CAUSE] = { TLV_TYPE_TLV }, |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 2183 | [GSM0808_IE_IMSI] = { TLV_TYPE_TLV }, |
| 2184 | [GSM0808_IE_TMSI] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2185 | [GSM0808_IE_NUMBER_OF_MSS] = { TLV_TYPE_TV }, |
Dmitri Soloviev | 2909942 | 2013-07-11 09:25:37 +0200 | [diff] [blame] | 2186 | [GSM0808_IE_LAYER_3_HEADER_INFORMATION] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2187 | [GSM0808_IE_ENCRYPTION_INFORMATION] = { TLV_TYPE_TLV }, |
| 2188 | [GSM0808_IE_CHANNEL_TYPE] = { TLV_TYPE_TLV }, |
| 2189 | [GSM0808_IE_PERIODICITY] = { TLV_TYPE_TV }, |
| 2190 | [GSM0808_IE_EXTENDED_RESOURCE_INDICATOR]= { TLV_TYPE_TV }, |
| 2191 | [GSM0808_IE_TOTAL_RESOURCE_ACCESSIBLE] = { TLV_TYPE_FIXED, 4 }, |
| 2192 | [GSM0808_IE_LSA_IDENTIFIER] = { TLV_TYPE_TLV }, |
| 2193 | [GSM0808_IE_LSA_IDENTIFIER_LIST] = { TLV_TYPE_TLV }, |
Holger Hans Peter Freyther | 715e945 | 2014-08-21 14:17:45 +0200 | [diff] [blame] | 2194 | [GSM0808_IE_LSA_INFORMATION] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2195 | [GSM0808_IE_CELL_IDENTIFIER] = { TLV_TYPE_TLV }, |
| 2196 | [GSM0808_IE_PRIORITY] = { TLV_TYPE_TLV }, |
| 2197 | [GSM0808_IE_CLASSMARK_INFORMATION_T2] = { TLV_TYPE_TLV }, |
| 2198 | [GSM0808_IE_CLASSMARK_INFORMATION_T3] = { TLV_TYPE_TLV }, |
| 2199 | [GSM0808_IE_INTERFERENCE_BAND_TO_USE] = { TLV_TYPE_TV }, |
| 2200 | [GSM0808_IE_RR_CAUSE] = { TLV_TYPE_TV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2201 | [GSM0808_IE_LAYER_3_INFORMATION] = { TLV_TYPE_TLV }, |
| 2202 | [GSM0808_IE_DLCI] = { TLV_TYPE_TV }, |
| 2203 | [GSM0808_IE_DOWNLINK_DTX_FLAG] = { TLV_TYPE_TV }, |
| 2204 | [GSM0808_IE_CELL_IDENTIFIER_LIST] = { TLV_TYPE_TLV }, |
| 2205 | [GSM0808_IE_CELL_ID_LIST_SEGMENT] = { TLV_TYPE_TLV }, |
| 2206 | [GSM0808_IE_CELL_ID_LIST_SEG_EST_CELLS] = { TLV_TYPE_TLV }, |
| 2207 | [GSM0808_IE_CELL_ID_LIST_SEG_CELLS_TBE] = { TLV_TYPE_TLV }, |
| 2208 | [GSM0808_IE_CELL_ID_LIST_SEG_REL_CELLS] = { TLV_TYPE_TLV }, |
| 2209 | [GSM0808_IE_CELL_ID_LIST_SEG_NE_CELLS] = { TLV_TYPE_TLV }, |
| 2210 | [GSM0808_IE_RESPONSE_RQST] = { TLV_TYPE_T }, |
| 2211 | [GSM0808_IE_RESOURCE_INDICATION_METHOD] = { TLV_TYPE_TV }, |
| 2212 | [GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1] = { TLV_TYPE_TV }, |
| 2213 | [GSM0808_IE_CIRCUIT_IDENTITY_CODE_LIST] = { TLV_TYPE_TLV }, |
| 2214 | [GSM0808_IE_DIAGNOSTIC] = { TLV_TYPE_TLV }, |
| 2215 | [GSM0808_IE_CHOSEN_CHANNEL] = { TLV_TYPE_TV }, |
| 2216 | [GSM0808_IE_CIPHER_RESPONSE_MODE] = { TLV_TYPE_TV }, |
| 2217 | [GSM0808_IE_LAYER_3_MESSAGE_CONTENTS] = { TLV_TYPE_TLV }, |
| 2218 | [GSM0808_IE_CHANNEL_NEEDED] = { TLV_TYPE_TV }, |
| 2219 | [GSM0808_IE_TRACE_TYPE] = { TLV_TYPE_TV }, |
| 2220 | [GSM0808_IE_TRIGGERID] = { TLV_TYPE_TLV }, |
| 2221 | [GSM0808_IE_TRACE_REFERENCE] = { TLV_TYPE_TV }, |
| 2222 | [GSM0808_IE_TRANSACTIONID] = { TLV_TYPE_TLV }, |
| 2223 | [GSM0808_IE_MOBILE_IDENTITY] = { TLV_TYPE_TLV }, |
| 2224 | [GSM0808_IE_OMCID] = { TLV_TYPE_TLV }, |
| 2225 | [GSM0808_IE_FORWARD_INDICATOR] = { TLV_TYPE_TV }, |
Holger Hans Peter Freyther | c2b7f92 | 2010-08-04 18:50:43 +0800 | [diff] [blame] | 2226 | [GSM0808_IE_CHOSEN_ENCR_ALG] = { TLV_TYPE_TV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2227 | [GSM0808_IE_CIRCUIT_POOL] = { TLV_TYPE_TV }, |
| 2228 | [GSM0808_IE_CIRCUIT_POOL_LIST] = { TLV_TYPE_TLV }, |
| 2229 | [GSM0808_IE_TIME_INDICATION] = { TLV_TYPE_TV }, |
| 2230 | [GSM0808_IE_RESOURCE_SITUATION] = { TLV_TYPE_TLV }, |
| 2231 | [GSM0808_IE_CURRENT_CHANNEL_TYPE_1] = { TLV_TYPE_TV }, |
| 2232 | [GSM0808_IE_QUEUEING_INDICATOR] = { TLV_TYPE_TV }, |
| 2233 | [GSM0808_IE_SPEECH_VERSION] = { TLV_TYPE_TV }, |
| 2234 | [GSM0808_IE_ASSIGNMENT_REQUIREMENT] = { TLV_TYPE_TV }, |
| 2235 | [GSM0808_IE_TALKER_FLAG] = { TLV_TYPE_T }, |
| 2236 | [GSM0808_IE_GROUP_CALL_REFERENCE] = { TLV_TYPE_TLV }, |
| 2237 | [GSM0808_IE_EMLPP_PRIORITY] = { TLV_TYPE_TV }, |
| 2238 | [GSM0808_IE_CONFIG_EVO_INDI] = { TLV_TYPE_TV }, |
| 2239 | [GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION] = { TLV_TYPE_TLV }, |
| 2240 | [GSM0808_IE_LCS_QOS] = { TLV_TYPE_TLV }, |
| 2241 | [GSM0808_IE_LSA_ACCESS_CTRL_SUPPR] = { TLV_TYPE_TV }, |
| 2242 | [GSM0808_IE_LCS_PRIORITY] = { TLV_TYPE_TLV }, |
| 2243 | [GSM0808_IE_LOCATION_TYPE] = { TLV_TYPE_TLV }, |
| 2244 | [GSM0808_IE_LOCATION_ESTIMATE] = { TLV_TYPE_TLV }, |
| 2245 | [GSM0808_IE_POSITIONING_DATA] = { TLV_TYPE_TLV }, |
| 2246 | [GSM0808_IE_LCS_CAUSE] = { TLV_TYPE_TLV }, |
Pau Espin Pedrol | fffd7c3 | 2022-03-18 13:45:42 +0100 | [diff] [blame] | 2247 | [GSM0808_IE_LCS_CLIENT_TYPE] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2248 | [GSM0808_IE_APDU] = { TLV_TYPE_TLV }, |
| 2249 | [GSM0808_IE_NETWORK_ELEMENT_IDENTITY] = { TLV_TYPE_TLV }, |
| 2250 | [GSM0808_IE_GPS_ASSISTANCE_DATA] = { TLV_TYPE_TLV }, |
| 2251 | [GSM0808_IE_DECIPHERING_KEYS] = { TLV_TYPE_TLV }, |
| 2252 | [GSM0808_IE_RETURN_ERROR_RQST] = { TLV_TYPE_TLV }, |
| 2253 | [GSM0808_IE_RETURN_ERROR_CAUSE] = { TLV_TYPE_TLV }, |
| 2254 | [GSM0808_IE_SEGMENTATION] = { TLV_TYPE_TLV }, |
| 2255 | [GSM0808_IE_SERVICE_HANDOVER] = { TLV_TYPE_TLV }, |
| 2256 | [GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_UMTS] = { TLV_TYPE_TLV }, |
| 2257 | [GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_CDMA2000] = { TLV_TYPE_TLV }, |
| 2258 | [GSM0808_IE_GERAN_CLASSMARK] = { TLV_TYPE_TLV }, |
| 2259 | [GSM0808_IE_GERAN_BSC_CONTAINER] = { TLV_TYPE_TLV }, |
| 2260 | [GSM0808_IE_NEW_BSS_TO_OLD_BSS_INFO] = { TLV_TYPE_TLV }, |
| 2261 | [GSM0800_IE_INTER_SYSTEM_INFO] = { TLV_TYPE_TLV }, |
| 2262 | [GSM0808_IE_SNA_ACCESS_INFO] = { TLV_TYPE_TLV }, |
| 2263 | [GSM0808_IE_VSTK_RAND_INFO] = { TLV_TYPE_TLV }, |
Pau Espin Pedrol | 3cf4759 | 2022-03-18 14:13:01 +0100 | [diff] [blame] | 2264 | [GSM0808_IE_VSTK_INFO] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2265 | [GSM0808_IE_PAGING_INFO] = { TLV_TYPE_TV }, |
| 2266 | [GSM0808_IE_IMEI] = { TLV_TYPE_TLV }, |
| 2267 | [GSM0808_IE_VELOCITY_ESTIMATE] = { TLV_TYPE_TLV }, |
| 2268 | [GSM0808_IE_VGCS_FEATURE_FLAGS] = { TLV_TYPE_TLV }, |
| 2269 | [GSM0808_IE_TALKER_PRIORITY] = { TLV_TYPE_TV }, |
| 2270 | [GSM0808_IE_EMERGENCY_SET_INDICATION] = { TLV_TYPE_T }, |
| 2271 | [GSM0808_IE_TALKER_IDENTITY] = { TLV_TYPE_TLV }, |
| 2272 | [GSM0808_IE_SMS_TO_VGCS] = { TLV_TYPE_TLV }, |
| 2273 | [GSM0808_IE_VGCS_TALKER_MODE] = { TLV_TYPE_TLV }, |
| 2274 | [GSM0808_IE_VGCS_VBS_CELL_STATUS] = { TLV_TYPE_TLV }, |
| 2275 | [GSM0808_IE_GANSS_ASSISTANCE_DATA] = { TLV_TYPE_TLV }, |
| 2276 | [GSM0808_IE_GANSS_POSITIONING_DATA] = { TLV_TYPE_TLV }, |
| 2277 | [GSM0808_IE_GANSS_LOCATION_TYPE] = { TLV_TYPE_TLV }, |
| 2278 | [GSM0808_IE_APP_DATA] = { TLV_TYPE_TLV }, |
| 2279 | [GSM0808_IE_DATA_IDENTITY] = { TLV_TYPE_TLV }, |
| 2280 | [GSM0808_IE_APP_DATA_INFO] = { TLV_TYPE_TLV }, |
| 2281 | [GSM0808_IE_MSISDN] = { TLV_TYPE_TLV }, |
| 2282 | [GSM0808_IE_AOIP_TRASP_ADDR] = { TLV_TYPE_TLV }, |
| 2283 | [GSM0808_IE_SPEECH_CODEC_LIST] = { TLV_TYPE_TLV }, |
| 2284 | [GSM0808_IE_SPEECH_CODEC] = { TLV_TYPE_TLV }, |
| 2285 | [GSM0808_IE_CALL_ID] = { TLV_TYPE_FIXED, 4 }, |
| 2286 | [GSM0808_IE_CALL_ID_LIST] = { TLV_TYPE_TLV }, |
| 2287 | [GSM0808_IE_A_IF_SEL_FOR_RESET] = { TLV_TYPE_TV }, |
| 2288 | [GSM0808_IE_KC_128] = { TLV_TYPE_FIXED, 16 }, |
| 2289 | [GSM0808_IE_CSG_IDENTIFIER] = { TLV_TYPE_TLV }, |
| 2290 | [GSM0808_IE_REDIR_ATTEMPT_FLAG] = { TLV_TYPE_T }, |
| 2291 | [GSM0808_IE_REROUTE_REJ_CAUSE] = { TLV_TYPE_TV }, |
| 2292 | [GSM0808_IE_SEND_SEQ_NUM] = { TLV_TYPE_TV }, |
| 2293 | [GSM0808_IE_REROUTE_COMPL_OUTCOME] = { TLV_TYPE_TV }, |
| 2294 | [GSM0808_IE_GLOBAL_CALL_REF] = { TLV_TYPE_TLV }, |
| 2295 | [GSM0808_IE_LCLS_CONFIG] = { TLV_TYPE_TV }, |
| 2296 | [GSM0808_IE_LCLS_CONN_STATUS_CTRL] = { TLV_TYPE_TV }, |
| 2297 | [GSM0808_IE_LCLS_CORR_NOT_NEEDED] = { TLV_TYPE_TV }, |
| 2298 | [GSM0808_IE_LCLS_BSS_STATUS] = { TLV_TYPE_TV }, |
| 2299 | [GSM0808_IE_LCLS_BREAK_REQ] = { TLV_TYPE_TV }, |
| 2300 | [GSM0808_IE_CSFB_INDICATION] = { TLV_TYPE_T }, |
| 2301 | [GSM0808_IE_CS_TO_PS_SRVCC] = { TLV_TYPE_T }, |
| 2302 | [GSM0808_IE_SRC_ENB_TO_TGT_ENB_TRANSP] = { TLV_TYPE_TLV }, |
| 2303 | [GSM0808_IE_CS_TO_PS_SRVCC_IND] = { TLV_TYPE_T }, |
| 2304 | [GSM0808_IE_CN_TO_MS_TRANSP_INFO] = { TLV_TYPE_TLV }, |
| 2305 | [GSM0808_IE_SELECTED_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
| 2306 | [GSM0808_IE_LAST_USED_EUTRAN_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
Pau Espin Pedrol | 3cf4759 | 2022-03-18 14:13:01 +0100 | [diff] [blame] | 2307 | [GSM0808_IE_OLD_LAI] = { TLV_TYPE_FIXED, 5 }, |
| 2308 | [GSM0808_IE_ATTACH_INDICATOR] = { TLV_TYPE_T }, |
| 2309 | [GSM0808_IE_SELECTED_OPERATOR] = { TLV_TYPE_FIXED, 3 }, |
| 2310 | [GSM0808_IE_PS_REGISTERED_OPERATOR] = { TLV_TYPE_FIXED, 3 }, |
| 2311 | [GSM0808_IE_CS_REGISTERED_OPERATOR] = { TLV_TYPE_FIXED, 3 }, |
Pau Espin Pedrol | 18506c8 | 2019-04-16 15:47:59 +0200 | [diff] [blame] | 2312 | |
Mychaela N. Falconia | ed39f9d | 2024-05-09 18:54:01 +0000 | [diff] [blame] | 2313 | /* Osmocom and Themyscira extensions */ |
Pau Espin Pedrol | 18506c8 | 2019-04-16 15:47:59 +0200 | [diff] [blame] | 2314 | [GSM0808_IE_OSMO_OSMUX_SUPPORT] = { TLV_TYPE_T }, |
| 2315 | [GSM0808_IE_OSMO_OSMUX_CID] = { TLV_TYPE_TV }, |
Mychaela N. Falconia | ed39f9d | 2024-05-09 18:54:01 +0000 | [diff] [blame] | 2316 | [GSM0808_IE_THEMWI_RTP_EXTENSIONS] = { TLV_TYPE_TLV }, |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 2317 | }, |
| 2318 | }; |
| 2319 | |
Harald Welte | f4d45ab | 2011-07-16 12:13:00 +0200 | [diff] [blame] | 2320 | const struct tlv_definition *gsm0808_att_tlvdef(void) |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 2321 | { |
| 2322 | return &bss_att_tlvdef; |
| 2323 | } |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2324 | |
Pau Espin Pedrol | cde4779 | 2021-04-19 12:24:02 +0200 | [diff] [blame] | 2325 | /* As per 3GPP TS 48.008 version 16.0.0 Release 16 § 3.2.2.58 Old BSS to New BSS Information */ |
| 2326 | const struct tlv_definition gsm0808_old_bss_to_new_bss_info_att_tlvdef = { |
| 2327 | .def = { |
| 2328 | [GSM0808_FE_IE_EXTRA_INFORMATION] = { TLV_TYPE_TLV }, |
| 2329 | [GSM0808_FE_IE_CURRENT_CHANNEL_TYPE_2] = { TLV_TYPE_TLV }, |
| 2330 | [GSM0808_FE_IE_TARGET_CELL_RADIO_INFORMATION] = { TLV_TYPE_TLV }, |
| 2331 | [GSM0808_FE_IE_GPRS_SUSPEND_INFORMATION] = { TLV_TYPE_TLV }, |
| 2332 | [GSM0808_FE_IE_MULTIRATE_CONFIGURATION_INFORMATION] = { TLV_TYPE_TLV }, |
| 2333 | [GSM0808_FE_IE_DUAL_TRANSFER_MODE_INFORMATION] = { TLV_TYPE_TLV }, |
| 2334 | [GSM0808_FE_IE_INTER_RAT_HANDOVER_INFO] = { TLV_TYPE_TLV }, |
| 2335 | [GSM0808_FE_IE_CDMA2000_CAPABILITY_INFORMATION] = { TLV_TYPE_TLV }, |
| 2336 | [GSM0808_FE_IE_DOWNLINK_CELL_LOAD_INFORMATION] = { TLV_TYPE_TLV }, |
| 2337 | [GSM0808_FE_IE_UPLINK_CELL_LOAD_INFORMATION] = { TLV_TYPE_TLV }, |
| 2338 | [GSM0808_FE_IE_CELL_LOAD_INFORMATION_GROUP] = { TLV_TYPE_TLV }, |
| 2339 | [GSM0808_FE_IE_CELL_LOAD_INFORMATION] = { TLV_TYPE_TLV }, |
| 2340 | [GSM0808_FE_IE_PS_INDICATION] = { TLV_TYPE_TLV }, |
| 2341 | [GSM0808_FE_IE_DTM_HANDOVER_COMMAND_INDICATION] = { TLV_TYPE_TLV }, |
| 2342 | [GSM0808_FE_IE_D_RNTI] = { TLV_TYPE_TLV }, |
| 2343 | [GSM0808_FE_IE_IRAT_MEASUREMENT_CONFIGURATION] = { TLV_TYPE_TLV }, |
| 2344 | [GSM0808_FE_IE_SOURCE_CELL_ID] = { TLV_TYPE_TLV }, |
| 2345 | [GSM0808_FE_IE_IRAT_MEASUREMENT_CONFIGURATION_EXTENDED_E_ARFCNS] = { TLV_TYPE_TLV }, |
| 2346 | [GSM0808_FE_IE_VGCS_TALKER_MODE] = { TLV_TYPE_TLV }, |
| 2347 | [GSM0808_FE_IE_LAST_USED_EUTRAN_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
| 2348 | }, |
| 2349 | }; |
| 2350 | |
Pau Espin Pedrol | 392f607 | 2019-11-27 12:07:04 +0100 | [diff] [blame] | 2351 | const struct value_string gsm0406_dlci_sapi_names[] = { |
| 2352 | { DLCI_SAPI_RR_MM_CC, "RR/MM/CC" }, |
| 2353 | { DLCI_SAPI_SMS, "SMS" }, |
| 2354 | { 0, NULL } |
| 2355 | }; |
| 2356 | |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2357 | static const struct value_string gsm0808_msgt_names[] = { |
| 2358 | { BSS_MAP_MSG_ASSIGMENT_RQST, "ASSIGNMENT REQ" }, |
| 2359 | { BSS_MAP_MSG_ASSIGMENT_COMPLETE, "ASSIGNMENT COMPL" }, |
| 2360 | { BSS_MAP_MSG_ASSIGMENT_FAILURE, "ASSIGNMENT FAIL" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2361 | { BSS_MAP_MSG_CHAN_MOD_RQST, "CHANNEL MODIFY REQUEST" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2362 | |
| 2363 | { BSS_MAP_MSG_HANDOVER_RQST, "HANDOVER REQ" }, |
| 2364 | { BSS_MAP_MSG_HANDOVER_REQUIRED, "HANDOVER REQUIRED" }, |
| 2365 | { BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE,"HANDOVER REQ ACK" }, |
| 2366 | { BSS_MAP_MSG_HANDOVER_CMD, "HANDOVER CMD" }, |
| 2367 | { BSS_MAP_MSG_HANDOVER_COMPLETE, "HANDOVER COMPLETE" }, |
| 2368 | { BSS_MAP_MSG_HANDOVER_SUCCEEDED, "HANDOVER SUCCESS" }, |
| 2369 | { BSS_MAP_MSG_HANDOVER_FAILURE, "HANDOVER FAILURE" }, |
| 2370 | { BSS_MAP_MSG_HANDOVER_PERFORMED, "HANDOVER PERFORMED" }, |
| 2371 | { BSS_MAP_MSG_HANDOVER_CANDIDATE_ENQUIRE, "HANDOVER CAND ENQ" }, |
| 2372 | { BSS_MAP_MSG_HANDOVER_CANDIDATE_RESPONSE, "HANDOVER CAND RESP" }, |
| 2373 | { BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT, "HANDOVER REQ REJ" }, |
| 2374 | { BSS_MAP_MSG_HANDOVER_DETECT, "HANDOVER DETECT" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2375 | { BSS_MAP_MSG_INT_HANDOVER_REQUIRED, "INT HANDOVER REQ" }, |
| 2376 | { BSS_MAP_MSG_INT_HANDOVER_REQUIRED_REJ,"INT HANDOVER REQ REJ" }, |
| 2377 | { BSS_MAP_MSG_INT_HANDOVER_CMD, "INT HANDOVER CMD" }, |
| 2378 | { BSS_MAP_MSG_INT_HANDOVER_ENQUIRY, "INT HANDOVER ENQ" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2379 | |
| 2380 | { BSS_MAP_MSG_CLEAR_CMD, "CLEAR COMMAND" }, |
| 2381 | { BSS_MAP_MSG_CLEAR_COMPLETE, "CLEAR COMPLETE" }, |
| 2382 | { BSS_MAP_MSG_CLEAR_RQST, "CLEAR REQUEST" }, |
| 2383 | { BSS_MAP_MSG_SAPI_N_REJECT, "SAPI N REJECT" }, |
| 2384 | { BSS_MAP_MSG_CONFUSION, "CONFUSION" }, |
| 2385 | |
| 2386 | { BSS_MAP_MSG_SUSPEND, "SUSPEND" }, |
| 2387 | { BSS_MAP_MSG_RESUME, "RESUME" }, |
| 2388 | { BSS_MAP_MSG_CONNECTION_ORIENTED_INFORMATION, "CONN ORIENT INFO" }, |
| 2389 | { BSS_MAP_MSG_PERFORM_LOCATION_RQST, "PERFORM LOC REQ" }, |
| 2390 | { BSS_MAP_MSG_LSA_INFORMATION, "LSA INFORMATION" }, |
| 2391 | { BSS_MAP_MSG_PERFORM_LOCATION_RESPONSE, "PERFORM LOC RESP" }, |
| 2392 | { BSS_MAP_MSG_PERFORM_LOCATION_ABORT, "PERFORM LOC ABORT" }, |
| 2393 | { BSS_MAP_MSG_COMMON_ID, "COMMON ID" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2394 | { BSS_MAP_MSG_REROUTE_CMD, "REROUTE COMMAND" }, |
| 2395 | { BSS_MAP_MSG_REROUTE_COMPLETE, "REROUTE COMPLETE" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2396 | |
| 2397 | { BSS_MAP_MSG_RESET, "RESET" }, |
| 2398 | { BSS_MAP_MSG_RESET_ACKNOWLEDGE, "RESET ACK" }, |
| 2399 | { BSS_MAP_MSG_OVERLOAD, "OVERLOAD" }, |
| 2400 | { BSS_MAP_MSG_RESET_CIRCUIT, "RESET CIRCUIT" }, |
| 2401 | { BSS_MAP_MSG_RESET_CIRCUIT_ACKNOWLEDGE, "RESET CIRCUIT ACK" }, |
| 2402 | { BSS_MAP_MSG_MSC_INVOKE_TRACE, "MSC INVOKE TRACE" }, |
| 2403 | { BSS_MAP_MSG_BSS_INVOKE_TRACE, "BSS INVOKE TRACE" }, |
| 2404 | { BSS_MAP_MSG_CONNECTIONLESS_INFORMATION, "CONNLESS INFO" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2405 | { BSS_MAP_MSG_RESET_IP_RSRC, "RESET IP RESOURCE" }, |
| 2406 | { BSS_MAP_MSG_RESET_IP_RSRC_ACK, "RESET IP RESOURCE ACK" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2407 | |
| 2408 | { BSS_MAP_MSG_BLOCK, "BLOCK" }, |
| 2409 | { BSS_MAP_MSG_BLOCKING_ACKNOWLEDGE, "BLOCK ACK" }, |
| 2410 | { BSS_MAP_MSG_UNBLOCK, "UNBLOCK" }, |
| 2411 | { BSS_MAP_MSG_UNBLOCKING_ACKNOWLEDGE, "UNBLOCK ACK" }, |
| 2412 | { BSS_MAP_MSG_CIRCUIT_GROUP_BLOCK, "CIRC GROUP BLOCK" }, |
| 2413 | { BSS_MAP_MSG_CIRCUIT_GROUP_BLOCKING_ACKNOWLEDGE, "CIRC GORUP BLOCK ACK" }, |
| 2414 | { BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCK, "CIRC GROUP UNBLOCK" }, |
| 2415 | { BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCKING_ACKNOWLEDGE, "CIRC GROUP UNBLOCK ACK" }, |
| 2416 | { BSS_MAP_MSG_UNEQUIPPED_CIRCUIT, "UNEQUIPPED CIRCUIT" }, |
| 2417 | { BSS_MAP_MSG_CHANGE_CIRCUIT, "CHANGE CIRCUIT" }, |
| 2418 | { BSS_MAP_MSG_CHANGE_CIRCUIT_ACKNOWLEDGE, "CHANGE CIRCUIT ACK" }, |
| 2419 | |
| 2420 | { BSS_MAP_MSG_RESOURCE_RQST, "RESOURCE REQ" }, |
| 2421 | { BSS_MAP_MSG_RESOURCE_INDICATION, "RESOURCE IND" }, |
| 2422 | { BSS_MAP_MSG_PAGING, "PAGING" }, |
| 2423 | { BSS_MAP_MSG_CIPHER_MODE_CMD, "CIPHER MODE CMD" }, |
| 2424 | { BSS_MAP_MSG_CLASSMARK_UPDATE, "CLASSMARK UPDATE" }, |
| 2425 | { BSS_MAP_MSG_CIPHER_MODE_COMPLETE, "CIPHER MODE COMPLETE" }, |
| 2426 | { BSS_MAP_MSG_QUEUING_INDICATION, "QUEUING INDICATION" }, |
| 2427 | { BSS_MAP_MSG_COMPLETE_LAYER_3, "COMPLETE LAYER 3" }, |
| 2428 | { BSS_MAP_MSG_CLASSMARK_RQST, "CLASSMARK REQ" }, |
| 2429 | { BSS_MAP_MSG_CIPHER_MODE_REJECT, "CIPHER MODE REJECT" }, |
| 2430 | { BSS_MAP_MSG_LOAD_INDICATION, "LOAD IND" }, |
| 2431 | |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2432 | { BSS_MAP_MSG_VGCS_VBS_SETUP, "VGCS/VBS SETUP" }, |
| 2433 | { BSS_MAP_MSG_VGCS_VBS_SETUP_ACK, "VGCS/VBS SETUP ACK" }, |
| 2434 | { BSS_MAP_MSG_VGCS_VBS_SETUP_REFUSE, "VGCS/VBS SETUP REFUSE" }, |
| 2435 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RQST, "VGCS/VBS ASSIGN REQ" }, |
| 2436 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RESULT, "VGCS/VBS ASSIGN RES" }, |
| 2437 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_FAILURE, "VGCS/VBS ASSIGN FAIL" }, |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 2438 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_STATUS, "VGCS/VBS ASSIGN STATUS" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2439 | { BSS_MAP_MSG_VGCS_VBS_QUEUING_INDICATION, "VGCS/VBS QUEUING IND" }, |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 2440 | { BSS_MAP_MSG_VGCS_VBS_AREA_CELL_INFO, "VGCS/VBS AREA CELL INFO" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2441 | { BSS_MAP_MSG_UPLINK_RQST, "UPLINK REQ" }, |
| 2442 | { BSS_MAP_MSG_UPLINK_RQST_ACKNOWLEDGE, "UPLINK REQ ACK" }, |
| 2443 | { BSS_MAP_MSG_UPLINK_RQST_CONFIRMATION, "UPLINK REQ CONF" }, |
| 2444 | { BSS_MAP_MSG_UPLINK_RELEASE_INDICATION,"UPLINK REL IND" }, |
| 2445 | { BSS_MAP_MSG_UPLINK_REJECT_CMD, "UPLINK REJ CMD" }, |
| 2446 | { BSS_MAP_MSG_UPLINK_RELEASE_CMD, "UPLINK REL CMD" }, |
| 2447 | { BSS_MAP_MSG_UPLINK_SEIZED_CMD, "UPLINK SEIZED CMD" }, |
| 2448 | { BSS_MAP_MSG_VGCS_ADDL_INFO, "VGCS ADDL INFO" }, |
Andreas Eversberg | 532b8e9 | 2023-06-09 15:24:59 +0200 | [diff] [blame] | 2449 | { BSS_MAP_MSG_VGCS_SMS, "VGCS SMS" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2450 | { BSS_MAP_MSG_NOTIFICATION_DATA, "NOTIF DATA" }, |
| 2451 | { BSS_MAP_MSG_UPLINK_APP_DATA, "UPLINK APP DATA" }, |
| 2452 | |
| 2453 | { BSS_MAP_MSG_LCLS_CONNECT_CTRL, "LCLS-CONNECT-CONTROL" }, |
Keith Whyte | 486d984 | 2022-10-06 03:16:15 +0100 | [diff] [blame] | 2454 | { BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK, "LCLS-CONNECT-CONTROL-ACK" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 2455 | { BSS_MAP_MSG_LCLS_NOTIFICATION, "LCLS-NOTIFICATION" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2456 | |
| 2457 | { 0, NULL } |
| 2458 | }; |
| 2459 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 2460 | /*! Return string name of BSSMAP Message Type */ |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2461 | const char *gsm0808_bssmap_name(uint8_t msg_type) |
| 2462 | { |
| 2463 | return get_value_string(gsm0808_msgt_names, msg_type); |
| 2464 | } |
| 2465 | |
| 2466 | static const struct value_string gsm0808_bssap_names[] = { |
| 2467 | { BSSAP_MSG_BSS_MANAGEMENT, "MANAGEMENT" }, |
| 2468 | { BSSAP_MSG_DTAP, "DTAP" }, |
Neels Hofmeyr | 90fdb08 | 2017-03-01 14:59:44 +0100 | [diff] [blame] | 2469 | { 0, NULL } |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2470 | }; |
| 2471 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 2472 | /*! Return string name of BSSAP Message Type */ |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 2473 | const char *gsm0808_bssap_name(uint8_t msg_type) |
| 2474 | { |
| 2475 | return get_value_string(gsm0808_bssap_names, msg_type); |
| 2476 | } |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 2477 | |
Neels Hofmeyr | ffad574 | 2018-01-12 05:34:03 +0100 | [diff] [blame] | 2478 | const struct value_string gsm0808_speech_codec_type_names[] = { |
| 2479 | { GSM0808_SCT_FR1, "FR1" }, |
| 2480 | { GSM0808_SCT_FR2, "FR2" }, |
| 2481 | { GSM0808_SCT_FR3, "FR3" }, |
| 2482 | { GSM0808_SCT_FR4, "FR4" }, |
| 2483 | { GSM0808_SCT_FR5, "FR5" }, |
| 2484 | { GSM0808_SCT_HR1, "HR1" }, |
| 2485 | { GSM0808_SCT_HR3, "HR3" }, |
| 2486 | { GSM0808_SCT_HR4, "HR4" }, |
| 2487 | { GSM0808_SCT_HR6, "HR6" }, |
Vadim Yanitskiy | f93ef0c | 2023-07-25 03:23:08 +0700 | [diff] [blame] | 2488 | { GSM0808_SCT_EXT, "Codec Extension" }, |
Neels Hofmeyr | ffad574 | 2018-01-12 05:34:03 +0100 | [diff] [blame] | 2489 | { GSM0808_SCT_CSD, "CSD" }, |
| 2490 | { 0, NULL } |
| 2491 | }; |
| 2492 | |
Philipp Maier | cdd0581 | 2018-07-12 18:21:07 +0200 | [diff] [blame] | 2493 | const struct value_string gsm0808_permitted_speech_names[] = { |
| 2494 | { GSM0808_PERM_FR1, "FR1" }, |
| 2495 | { GSM0808_PERM_FR2, "FR2" }, |
| 2496 | { GSM0808_PERM_FR3, "FR3" }, |
| 2497 | { GSM0808_PERM_FR4, "FR4" }, |
| 2498 | { GSM0808_PERM_FR5, "FR5" }, |
| 2499 | { GSM0808_PERM_HR1, "HR1" }, |
| 2500 | { GSM0808_PERM_HR2, "HR2" }, |
| 2501 | { GSM0808_PERM_HR3, "HR3" }, |
| 2502 | { GSM0808_PERM_HR4, "HR4" }, |
| 2503 | { GSM0808_PERM_HR6, "HR6" }, |
| 2504 | { 0, NULL } |
| 2505 | }; |
| 2506 | |
Pau Espin Pedrol | f2cda62 | 2018-07-06 17:16:41 +0200 | [diff] [blame] | 2507 | const struct value_string gsm0808_chosen_enc_alg_names[] = { |
| 2508 | { GSM0808_ALG_ID_A5_0, "A5/0" }, |
| 2509 | { GSM0808_ALG_ID_A5_1, "A5/1" }, |
| 2510 | { GSM0808_ALG_ID_A5_2, "A5/2" }, |
| 2511 | { GSM0808_ALG_ID_A5_3, "A5/3" }, |
| 2512 | { GSM0808_ALG_ID_A5_4, "A5/4" }, |
| 2513 | { GSM0808_ALG_ID_A5_5, "A5/5" }, |
| 2514 | { GSM0808_ALG_ID_A5_6, "A5/6" }, |
| 2515 | { GSM0808_ALG_ID_A5_7, "A5/7" }, |
| 2516 | { 0, NULL } |
| 2517 | }; |
| 2518 | |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 2519 | static const struct value_string gsm0808_cause_names[] = { |
| 2520 | { GSM0808_CAUSE_RADIO_INTERFACE_MESSAGE_FAILURE, "RADIO INTERFACE MESSAGE FAILURE" }, |
| 2521 | { GSM0808_CAUSE_RADIO_INTERFACE_FAILURE, "RADIO INTERFACE FAILURE" }, |
| 2522 | { GSM0808_CAUSE_UPLINK_QUALITY, "UPLINK QUALITY" }, |
| 2523 | { GSM0808_CAUSE_UPLINK_STRENGTH, "UPLINK STRENGTH" }, |
| 2524 | { GSM0808_CAUSE_DOWNLINK_QUALITY, "DOWNLINK QUALITY" }, |
| 2525 | { GSM0808_CAUSE_DOWNLINK_STRENGTH, "DOWNLINK STRENGTH" }, |
| 2526 | { GSM0808_CAUSE_DISTANCE, "DISTANCE" }, |
| 2527 | { GSM0808_CAUSE_O_AND_M_INTERVENTION, "O AND M INTERVENTION" }, |
| 2528 | { GSM0808_CAUSE_RESPONSE_TO_MSC_INVOCATION, "RESPONSE TO MSC INVOCATION" }, |
| 2529 | { GSM0808_CAUSE_CALL_CONTROL, "CALL CONTROL" }, |
| 2530 | { GSM0808_CAUSE_RADIO_INTERFACE_FAILURE_REVERSION, "RADIO INTERFACE FAILURE REVERSION" }, |
| 2531 | { GSM0808_CAUSE_HANDOVER_SUCCESSFUL, "HANDOVER SUCCESSFUL" }, |
| 2532 | { GSM0808_CAUSE_BETTER_CELL, "BETTER CELL" }, |
| 2533 | { GSM0808_CAUSE_DIRECTED_RETRY, "DIRECTED RETRY" }, |
| 2534 | { GSM0808_CAUSE_JOINED_GROUP_CALL_CHANNEL, "JOINED GROUP CALL CHANNEL" }, |
| 2535 | { GSM0808_CAUSE_TRAFFIC, "TRAFFIC" }, |
| 2536 | { GSM0808_CAUSE_REDUCE_LOAD_IN_SERVING_CELL, "REDUCE LOAD IN SERVING CELL" }, |
| 2537 | { GSM0808_CAUSE_TRAFFIC_LOAD_IN_TGT_HIGHER_THAN_IN_SRC_CELL, "TRAFFIC LOAD IN TGT HIGHER THAN IN SRC CELL" }, |
| 2538 | { GSM0808_CAUSE_RELOCATION_TRIGGERED, "RELOCATION TRIGGERED" }, |
Thorsten Alteholz | 0062a5f | 2018-05-15 15:28:55 +0200 | [diff] [blame] | 2539 | { GSM0808_CAUSE_REQUESTED_OPT_NOT_AUTHORISED, "REQUESTED OPT NOT AUTHORISED" }, |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 2540 | { GSM0808_CAUSE_ALT_CHAN_CONFIG_REQUESTED, "ALT CHAN CONFIG REQUESTED" }, |
| 2541 | { GSM0808_CAUSE_RESP_TO_INT_HO_ENQ_MSG, "RESP TO INT HO ENQ MSG" }, |
| 2542 | { GSM0808_CAUSE_INT_HO_ENQUIRY_REJECT, "INT HO ENQUIRY REJECT" }, |
| 2543 | { GSM0808_CAUSE_REDUNDANCY_LEVEL_NOT_ADEQUATE, "REDUNDANCY LEVEL NOT ADEQUATE" }, |
| 2544 | { GSM0808_CAUSE_EQUIPMENT_FAILURE, "EQUIPMENT FAILURE" }, |
| 2545 | { GSM0808_CAUSE_NO_RADIO_RESOURCE_AVAILABLE, "NO RADIO RESOURCE AVAILABLE" }, |
| 2546 | { GSM0808_CAUSE_RQSTED_TERRESTRIAL_RESOURCE_UNAVAILABLE, "RQSTED TERRESTRIAL RESOURCE UNAVAILABLE" }, |
| 2547 | { GSM0808_CAUSE_CCCH_OVERLOAD, "CCCH OVERLOAD" }, |
| 2548 | { GSM0808_CAUSE_PROCESSOR_OVERLOAD, "PROCESSOR OVERLOAD" }, |
| 2549 | { GSM0808_CAUSE_BSS_NOT_EQUIPPED, "BSS NOT EQUIPPED" }, |
| 2550 | { GSM0808_CAUSE_MS_NOT_EQUIPPED, "MS NOT EQUIPPED" }, |
| 2551 | { GSM0808_CAUSE_INVALID_CELL, "INVALID CELL" }, |
| 2552 | { GSM0808_CAUSE_TRAFFIC_LOAD, "TRAFFIC LOAD" }, |
| 2553 | { GSM0808_CAUSE_PREEMPTION, "PREEMPTION" }, |
| 2554 | { GSM0808_CAUSE_DTM_HO_SGSN_FAILURE, "DTM HO SGSN FAILURE" }, |
| 2555 | { GSM0808_CAUSE_DTM_HO_PS_ALLOC_FAILURE, "DTM HO PS ALLOC FAILURE" }, |
| 2556 | { GSM0808_CAUSE_RQSTED_TRANSCODING_RATE_ADAPTION_UNAVAILABLE, "RQSTED TRANSCODING RATE ADAPTION UNAVAILABLE" }, |
| 2557 | { GSM0808_CAUSE_CIRCUIT_POOL_MISMATCH, "CIRCUIT POOL MISMATCH" }, |
| 2558 | { GSM0808_CAUSE_SWITCH_CIRCUIT_POOL, "SWITCH CIRCUIT POOL" }, |
| 2559 | { GSM0808_CAUSE_RQSTED_SPEECH_VERSION_UNAVAILABLE, "RQSTED SPEECH VERSION UNAVAILABLE" }, |
| 2560 | { GSM0808_CAUSE_LSA_NOT_ALLOWED, "LSA NOT ALLOWED" }, |
| 2561 | { GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_UNAVAIL, "REQ CODEC TYPE OR CONFIG UNAVAIL" }, |
| 2562 | { GSM0808_CAUSE_REQ_A_IF_TYPE_UNAVAIL, "REQ A IF TYPE UNAVAIL" }, |
| 2563 | { GSM0808_CAUSE_INVALID_CSG_CELL, "INVALID CSG CELL" }, |
| 2564 | { GSM0808_CAUSE_REQ_REDUND_LEVEL_NOT_AVAIL, "REQ REDUND LEVEL NOT AVAIL" }, |
| 2565 | { GSM0808_CAUSE_CIPHERING_ALGORITHM_NOT_SUPPORTED, "CIPHERING ALGORITHM NOT SUPPORTED" }, |
| 2566 | { GSM0808_CAUSE_GERAN_IU_MODE_FAILURE, "GERAN IU MODE FAILURE" }, |
| 2567 | { GSM0808_CAUSE_INC_RELOC_NOT_SUPP_DT_PUESBINE_FEATURE, "INC RELOC NOT SUPP DT PUESBINE FEATURE" }, |
| 2568 | { GSM0808_CAUSE_ACCESS_RESTRICTED_DUE_TO_SHARED_NETWORKS, "ACCESS RESTRICTED DUE TO SHARED NETWORKS" }, |
| 2569 | { GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_NOT_SUPP, "REQ CODEC TYPE OR CONFIG NOT SUPP" }, |
| 2570 | { GSM0808_CAUSE_REQ_A_IF_TYPE_NOT_SUPP, "REQ A IF TYPE NOT SUPP" }, |
| 2571 | { GSM0808_CAUSE_REQ_REDUND_LVL_NOT_SUPP, "REQ REDUND LVL NOT SUPP" }, |
| 2572 | { GSM0808_CAUSE_TERRESTRIAL_CIRCUIT_ALREADY_ALLOCATED, "TERRESTRIAL CIRCUIT ALREADY ALLOCATED" }, |
| 2573 | { GSM0808_CAUSE_INVALID_MESSAGE_CONTENTS, "INVALID MESSAGE CONTENTS" }, |
| 2574 | { GSM0808_CAUSE_INFORMATION_ELEMENT_OR_FIELD_MISSING, "INFORMATION ELEMENT OR FIELD MISSING" }, |
| 2575 | { GSM0808_CAUSE_INCORRECT_VALUE, "INCORRECT VALUE" }, |
| 2576 | { GSM0808_CAUSE_UNKNOWN_MESSAGE_TYPE, "UNKNOWN MESSAGE TYPE" }, |
| 2577 | { GSM0808_CAUSE_UNKNOWN_INFORMATION_ELEMENT, "UNKNOWN INFORMATION ELEMENT" }, |
| 2578 | { GSM0808_CAUSE_DTM_HO_INVALID_PS_IND, "DTM HO INVALID PS IND" }, |
| 2579 | { GSM0808_CAUSE_CALL_ID_ALREADY_ALLOC, "CALL ID ALREADY ALLOC" }, |
| 2580 | { GSM0808_CAUSE_PROTOCOL_ERROR_BETWEEN_BSS_AND_MSC, "PROTOCOL ERROR BETWEEN BSS AND MSC" }, |
Thorsten Alteholz | 0062a5f | 2018-05-15 15:28:55 +0200 | [diff] [blame] | 2581 | { GSM0808_CAUSE_VGCS_VBS_CALL_NON_EXISTENT, "VGCS VBS CALL NON EXISTENT" }, |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 2582 | { GSM0808_CAUSE_DTM_HO_TIMER_EXPIRY, "DTM HO TIMER EXPIRY" }, |
| 2583 | { 0, NULL } |
| 2584 | }; |
| 2585 | |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 2586 | static const struct value_string gsm0808_cause_class_names[] = { |
| 2587 | { GSM0808_CAUSE_CLASS_NORM0, "Normal event" }, |
| 2588 | { GSM0808_CAUSE_CLASS_NORM1, "Normal event" }, |
| 2589 | { GSM0808_CAUSE_CLASS_RES_UNAVAIL, "Resource unavailable" }, |
| 2590 | { GSM0808_CAUSE_CLASS_SRV_OPT_NA, "Service or option not available" }, |
| 2591 | { GSM0808_CAUSE_CLASS_SRV_OPT_NIMPL, "Service or option not implemented" }, |
| 2592 | { GSM0808_CAUSE_CLASS_INVAL, "Invalid message" }, |
| 2593 | { GSM0808_CAUSE_CLASS_PERR, "Protocol error" }, |
| 2594 | { GSM0808_CAUSE_CLASS_INTW, "Interworking" }, |
| 2595 | { 0, NULL } |
| 2596 | }; |
| 2597 | |
| 2598 | /*! Return string name of BSSMAP Cause Class name */ |
| 2599 | const char *gsm0808_cause_class_name(enum gsm0808_cause_class class) |
| 2600 | { |
| 2601 | return get_value_string(gsm0808_cause_class_names, class); |
| 2602 | } |
| 2603 | |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 2604 | /*! Return string name of BSSMAP Cause name */ |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 2605 | const char *gsm0808_cause_name(enum gsm0808_cause cause) |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 2606 | { |
| 2607 | return get_value_string(gsm0808_cause_names, cause); |
| 2608 | } |
| 2609 | |
Alexander Chemeris | fdfe25b | 2020-05-12 23:21:56 +0300 | [diff] [blame] | 2610 | enum gsm0808_cause gsm0808_get_cause(const struct tlv_parsed *tp) |
| 2611 | { |
| 2612 | const uint8_t *buf = TLVP_VAL_MINLEN(tp, GSM0808_IE_CAUSE, 1); |
| 2613 | |
| 2614 | if (!buf) |
| 2615 | return -EBADMSG; |
| 2616 | |
| 2617 | if (TLVP_LEN(tp, GSM0808_IE_CAUSE) > 1) { |
| 2618 | if (!gsm0808_cause_ext(buf[0])) |
| 2619 | return -EINVAL; |
| 2620 | return buf[1]; |
| 2621 | } |
| 2622 | |
| 2623 | return buf[0]; |
| 2624 | } |
| 2625 | |
Alexander Chemeris | 22630e6 | 2020-05-13 00:44:04 +0300 | [diff] [blame] | 2626 | const char *gsm0808_diagnostics_octet_location_str(uint8_t pointer) |
| 2627 | { |
| 2628 | switch (pointer) { |
| 2629 | case 0: |
| 2630 | return "Error location not determined"; |
| 2631 | case 1: |
| 2632 | return "The first octet of the message received (i.e. the message type) was found erroneous (unknown)"; |
| 2633 | case 0xfd: |
| 2634 | return "The first octet of the BSSAP header (Discrimination) was found erroneous"; |
| 2635 | case 0xfe: |
| 2636 | return "(DTAP only) The DLCI (second) octet of the BSSAP header was found erroneous"; |
| 2637 | case 0xff: |
| 2638 | return "The last octet of the BSSAP header (length indicator) was found erroneous"; |
| 2639 | default: |
| 2640 | snprintf(str_buff, sizeof(str_buff), "The %d octet of the message received was found erroneous", pointer); |
| 2641 | return str_buff; |
| 2642 | } |
| 2643 | } |
| 2644 | |
| 2645 | const char *gsm0808_diagnostics_bit_location_str(uint8_t bit_pointer) |
| 2646 | { |
| 2647 | if (bit_pointer == 0) { |
| 2648 | return "No particular part of the octet is indicated"; |
| 2649 | } else if (bit_pointer > 8) { |
| 2650 | return "Reserved value"; |
| 2651 | } |
| 2652 | |
| 2653 | snprintf(str_buff, sizeof(str_buff), |
| 2654 | "An error was provoked by the field whose most significant bit is in bit position %d", |
| 2655 | bit_pointer); |
| 2656 | return str_buff; |
| 2657 | } |
| 2658 | |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 2659 | const struct value_string gsm0808_lcls_config_names[] = { |
| 2660 | { GSM0808_LCLS_CFG_BOTH_WAY, "Connect both-way" }, |
| 2661 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL, |
| 2662 | "Connect both-way, bi-cast UL to CN" }, |
| 2663 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_SEND_DL, |
| 2664 | "Connect both-way, send access DL from CN" }, |
| 2665 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_SEND_DL_BLOCK_LOCAL_DL, |
| 2666 | "Connect both-way, send access DL from CN, block local DL" }, |
| 2667 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL_SEND_DL, |
| 2668 | "Connect both-way, bi-cast UL to CN, send access DL from CN" }, |
| 2669 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL_SEND_DL_BLOCK_LOCAL_DL, |
| 2670 | "Connect both-way, bi-cast UL to CN, send access DL from CN, block local DL" }, |
Max | 961db7c | 2018-11-08 11:40:23 +0100 | [diff] [blame] | 2671 | { GSM0808_LCLS_CFG_NA, "Not available" }, |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 2672 | { 0, NULL } |
| 2673 | }; |
| 2674 | |
| 2675 | const struct value_string gsm0808_lcls_control_names[] = { |
| 2676 | { GSM0808_LCLS_CSC_CONNECT, "Connect" }, |
| 2677 | { GSM0808_LCLS_CSC_DO_NOT_CONNECT, "Do not connect" }, |
| 2678 | { GSM0808_LCLS_CSC_RELEASE_LCLS, "Release LCLS" }, |
| 2679 | { GSM0808_LCLS_CSC_BICAST_UL_AT_HANDOVER, "Bi-cast UL at Handover" }, |
| 2680 | { GSM0808_LCLS_CSC_BICAST_UL_AND_RECV_DL_AT_HANDOVER, "Bi-cast UL and receive DL at Handover" }, |
Max | 961db7c | 2018-11-08 11:40:23 +0100 | [diff] [blame] | 2681 | { GSM0808_LCLS_CSC_NA, "Not available" }, |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 2682 | { 0, NULL } |
| 2683 | }; |
| 2684 | |
| 2685 | const struct value_string gsm0808_lcls_status_names[] = { |
| 2686 | { GSM0808_LCLS_STS_NOT_YET_LS, "Call not yet locally switched" }, |
| 2687 | { GSM0808_LCLS_STS_NOT_POSSIBLE_LS, "Call not possible to be locally switched" }, |
| 2688 | { GSM0808_LCLS_STS_NO_LONGER_LS, "Call is no longer locally switched" }, |
| 2689 | { GSM0808_LCLS_STS_REQ_LCLS_NOT_SUPP, "Requested LCLS configuration is not supported" }, |
| 2690 | { GSM0808_LCLS_STS_LOCALLY_SWITCHED, "Call is locally switched with requested LCLS config" }, |
Max | 961db7c | 2018-11-08 11:40:23 +0100 | [diff] [blame] | 2691 | { GSM0808_LCLS_STS_NA, "Not available" }, |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 2692 | { 0, NULL } |
| 2693 | }; |
| 2694 | |
Neels Hofmeyr | 593d20d | 2022-09-07 02:26:47 +0200 | [diff] [blame] | 2695 | /* Convert one S0-S15 bit to its set of AMR modes, for HR AMR and FR AMR. |
| 2696 | * This is 3GPP TS 28.062 Table 7.11.3.1.3-2: "Preferred Configurations", with some configurations removed as specified |
| 2697 | * in 3GPP TS 48.008 3.2.2.103: |
| 2698 | * |
| 2699 | * FR_AMR is coded ‘0011’. |
| 2700 | * S11, S13 and S15 are reserved and coded with zeroes. |
| 2701 | * |
| 2702 | * HR_AMR is coded ‘0100’. |
| 2703 | * S6 - S7 and S11 – S15 are reserved and coded with zeroes. |
| 2704 | * |
| 2705 | * Meaning: for FR, exclude all Optimisation Mode configurations. |
| 2706 | * For HR, exclude all that are not supported by HR AMR -- drop all that include at least one of |
| 2707 | * 10.2 or 12.2. |
| 2708 | * |
| 2709 | * Also, for HR, drop 12.2k from S1. |
| 2710 | * |
| 2711 | * The first array dimension is 0 for half rate and 1 for full rate. |
| 2712 | * The second array dimension is the configuration number (0..15) aka Sn. |
| 2713 | * The values are bitmask combinations of (1 << GSM0808_AMR_MODE_nnnn). |
| 2714 | * |
| 2715 | * For example, accumulate all modes that are possible in a given my_s15_s0: |
| 2716 | * |
| 2717 | * uint8_t modes = 0; |
| 2718 | * for (s_bit = 0; s_bit < 15; s_bit++) |
| 2719 | * if (my_s15_s0 & (1 << s_bit)) |
| 2720 | * modes |= gsm0808_amr_modes_from_cfg[full_rate ? 1 : 0][s_bit]; |
| 2721 | * for (i = 0; i < 8; i++) |
| 2722 | * if (modes & (1 << i)) |
| 2723 | * printf(" %s", gsm0808_amr_mode_name(i)); |
| 2724 | */ |
| 2725 | const uint8_t gsm0808_amr_modes_from_cfg[2][16] = { |
| 2726 | #define B(X) (1 << (GSM0808_AMR_MODE_##X)) |
| 2727 | /* HR */ |
| 2728 | { |
| 2729 | /* Sn = modes */ |
| 2730 | [0] = B(4_75), |
| 2731 | [1] = B(4_75) | B(5_90) | B(7_40), |
| 2732 | [2] = B(5_90), |
| 2733 | [3] = B(6_70), |
| 2734 | [4] = B(7_40), |
| 2735 | [5] = B(7_95), |
| 2736 | [6] = 0, |
| 2737 | [7] = 0, |
| 2738 | |
| 2739 | [8] = B(4_75) | B(5_90), |
| 2740 | [9] = B(4_75) | B(5_90) | B(6_70), |
| 2741 | [10] = B(4_75) | B(5_90) | B(6_70) | B(7_40), |
| 2742 | [11] = 0, |
| 2743 | [12] = 0, |
| 2744 | [13] = 0, |
| 2745 | [14] = 0, |
| 2746 | [15] = 0, |
| 2747 | }, |
| 2748 | /* FR */ |
| 2749 | { |
| 2750 | /* Sn = modes */ |
| 2751 | [0] = B(4_75), |
| 2752 | [1] = B(4_75) | B(5_90) | B(7_40) | B(12_2), |
| 2753 | [2] = B(5_90), |
| 2754 | [3] = B(6_70), |
| 2755 | [4] = B(7_40), |
| 2756 | [5] = B(7_95), |
| 2757 | [6] = B(10_2), |
| 2758 | [7] = B(12_2), |
| 2759 | |
| 2760 | [8] = B(4_75) | B(5_90), |
| 2761 | [9] = B(4_75) | B(5_90) | B(6_70), |
| 2762 | [10] = B(4_75) | B(5_90) | B(6_70) | B(7_40), |
| 2763 | [11] = 0, |
| 2764 | [12] = B(4_75) | B(5_90) | B(6_70) | B(10_2), |
| 2765 | [13] = 0, |
| 2766 | [14] = B(4_75) | B(5_90) | B(7_95) | B(12_2), |
| 2767 | [15] = 0, |
| 2768 | } |
| 2769 | }; |
| 2770 | |
| 2771 | /* AMR mode names from GSM0808_AMR_MODE_*, for use with gsm0808_amr_modes_from_cfg. |
| 2772 | * |
| 2773 | * For example: |
| 2774 | * printf("S9: "); |
| 2775 | * uint8_t s9_modes = gsm0808_amr_modes_from_cfg[full_rate ? 1 : 0][9]; |
| 2776 | * for (bit = 0; bit < 8; bit++) |
| 2777 | * if (s9_modes & (1 << bit)) |
| 2778 | * printf("%s,", gsm0808_amr_mode_name(bit)); |
| 2779 | */ |
| 2780 | const struct value_string gsm0808_amr_mode_names[] = { |
| 2781 | { GSM0808_AMR_MODE_4_75, "4.75" }, |
| 2782 | { GSM0808_AMR_MODE_5_15, "5.15" }, |
| 2783 | { GSM0808_AMR_MODE_5_90, "5.90" }, |
| 2784 | { GSM0808_AMR_MODE_6_70, "6.70" }, |
| 2785 | { GSM0808_AMR_MODE_7_40, "7.40" }, |
| 2786 | { GSM0808_AMR_MODE_7_95, "7.95" }, |
| 2787 | { GSM0808_AMR_MODE_10_2, "10.2" }, |
| 2788 | { GSM0808_AMR_MODE_12_2, "12.2" }, |
| 2789 | {} |
| 2790 | }; |
| 2791 | |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 2792 | /*! @} */ |