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 | * |
| 18 | * You should have received a copy of the GNU General Public License along |
| 19 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 21 | * |
| 22 | */ |
| 23 | |
Alexander Chemeris | 22630e6 | 2020-05-13 00:44:04 +0300 | [diff] [blame] | 24 | #include <string.h> |
| 25 | |
Harald Welte | 95871da | 2017-05-15 12:11:36 +0200 | [diff] [blame] | 26 | #include <osmocom/core/byteswap.h> |
Philipp Maier | 2908dbf | 2020-06-05 14:16:11 +0200 | [diff] [blame] | 27 | #include <osmocom/core/endian.h> |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 28 | #include <osmocom/gsm/gsm0808.h> |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 29 | #include <osmocom/gsm/gsm0808_utils.h> |
Pablo Neira Ayuso | 8341934 | 2011-03-22 16:36:13 +0100 | [diff] [blame] | 30 | #include <osmocom/gsm/protocol/gsm_08_08.h> |
| 31 | #include <osmocom/gsm/gsm48.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 */ |
| 105 | if (scl) |
| 106 | gsm0808_enc_speech_codec_list(msg, scl); |
| 107 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 108 | /* push the bssmap header */ |
| 109 | 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] | 110 | |
| 111 | return msg; |
| 112 | } |
| 113 | |
Neels Hofmeyr | c4fce14 | 2018-02-20 13:47:08 +0100 | [diff] [blame] | 114 | /*! Create "Complete L3 Info" for A, legacy implementation. |
| 115 | * Instead use gsm0808_create_layer3_2() with the scl parameter passed as NULL, |
| 116 | * which is capable of three-digit MNC with leading zeros. |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 117 | * \param[in] msg_l3 msgb containing Layer 3 Message |
| 118 | * \param[in] nc Mobile Network Code |
| 119 | * \param[in] cc Mobile Country Code |
| 120 | * \param[in] lac Location Area Code |
| 121 | * \param[in] _ci Cell Identity |
| 122 | * \returns callee-allocated msgb with Complete L3 Info message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 123 | struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, |
| 124 | uint16_t cc, int lac, uint16_t _ci) |
| 125 | { |
Neels Hofmeyr | 4eeb808 | 2018-03-23 01:47:14 +0100 | [diff] [blame] | 126 | struct osmo_cell_global_id cgi = { |
| 127 | .lai = { |
| 128 | .plmn = { |
| 129 | .mcc = cc, |
| 130 | .mnc = nc, |
| 131 | }, |
| 132 | .lac = lac, |
| 133 | }, |
| 134 | .cell_identity = _ci, |
| 135 | }; |
| 136 | return gsm0808_create_layer3_2(msg_l3, &cgi, NULL); |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 137 | } |
| 138 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 139 | /*! Create BSSMAP RESET message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 140 | * \returns callee-allocated msgb with BSSMAP Reset message */ |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 141 | struct msgb *gsm0808_create_reset(void) |
| 142 | { |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 143 | uint8_t cause = GSM0808_CAUSE_EQUIPMENT_FAILURE; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 144 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 145 | "bssmap: reset"); |
| 146 | if (!msg) |
| 147 | return NULL; |
| 148 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 149 | msgb_v_put(msg, BSS_MAP_MSG_RESET); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 150 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 151 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 152 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 153 | return msg; |
| 154 | } |
| 155 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 156 | /*! Create BSSMAP RESET ACK message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 157 | * \returns callee-allocated msgb with BSSMAP Reset ACK message */ |
Harald Welte | a62fe31 | 2013-06-19 15:14:37 +0200 | [diff] [blame] | 158 | struct msgb *gsm0808_create_reset_ack(void) |
| 159 | { |
| 160 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 161 | "bssmap: reset ack"); |
| 162 | if (!msg) |
| 163 | return NULL; |
| 164 | |
| 165 | msgb_v_put(msg, BSS_MAP_MSG_RESET_ACKNOWLEDGE); |
| 166 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 167 | |
| 168 | return msg; |
| 169 | } |
| 170 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 171 | /*! Create BSSMAP Clear Complete message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 172 | * \returns callee-allocated msgb with BSSMAP Clear Complete message */ |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 173 | struct msgb *gsm0808_create_clear_complete(void) |
| 174 | { |
| 175 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 176 | "bssmap: clear complete"); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 177 | uint8_t val = BSS_MAP_MSG_CLEAR_COMPLETE; |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 178 | if (!msg) |
| 179 | return NULL; |
| 180 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 181 | msg->l3h = msg->data; |
| 182 | msgb_tlv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 1, &val); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 183 | |
| 184 | return msg; |
| 185 | } |
| 186 | |
Harald Welte | d1365e1 | 2019-02-18 13:44:30 +0100 | [diff] [blame] | 187 | /*! Create BSSMAP Clear Command message with BSSAP header *before* l3h and BSSMAP in l3h. |
| 188 | * This is quite different from most (all?) other gsm0808_create_* which have l3h |
| 189 | * point to the BSSAP header. However, we have to keep this for backwards compatibility. |
| 190 | * Use gsm0808_create_clear_command2() for a 'modern' implementation. |
Philipp Maier | 1a146c8 | 2018-10-30 09:36:49 +0100 | [diff] [blame] | 191 | * \param[in] cause TS 08.08 cause value |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 192 | * \returns callee-allocated msgb with BSSMAP Clear Command message */ |
Philipp Maier | 1a146c8 | 2018-10-30 09:36:49 +0100 | [diff] [blame] | 193 | struct msgb *gsm0808_create_clear_command(uint8_t cause) |
Holger Hans Peter Freyther | a3f05d8 | 2010-10-27 11:49:24 +0200 | [diff] [blame] | 194 | { |
| 195 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 196 | "bssmap: clear command"); |
| 197 | if (!msg) |
| 198 | return NULL; |
| 199 | |
Holger Hans Peter Freyther | aeebe39 | 2010-10-27 12:36:05 +0200 | [diff] [blame] | 200 | msg->l3h = msgb_tv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 4); |
| 201 | msgb_v_put(msg, BSS_MAP_MSG_CLEAR_CMD); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 202 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 203 | |
Holger Hans Peter Freyther | a3f05d8 | 2010-10-27 11:49:24 +0200 | [diff] [blame] | 204 | return msg; |
| 205 | } |
| 206 | |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 207 | /*! Create BSSMAP Clear Command message. |
| 208 | * \param[in] cause TS 08.08 cause value. |
| 209 | * \param[in] csfb_ind indicate that the call was established in an CSFB context. |
| 210 | * \returns callee-allocated msgb with BSSMAP Clear Command message. */ |
| 211 | struct msgb *gsm0808_create_clear_command2(uint8_t cause, bool csfb_ind) |
| 212 | { |
Harald Welte | 10ba47d | 2019-02-18 12:36:54 +0100 | [diff] [blame] | 213 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 214 | "bssmap: clear command"); |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 215 | if (!msg) |
| 216 | return NULL; |
| 217 | |
Harald Welte | 10ba47d | 2019-02-18 12:36:54 +0100 | [diff] [blame] | 218 | msgb_v_put(msg, BSS_MAP_MSG_CLEAR_CMD); |
| 219 | gsm0808_enc_cause(msg, cause); |
| 220 | |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 221 | if (csfb_ind) |
| 222 | msgb_v_put(msg, GSM0808_IE_CSFB_INDICATION); |
| 223 | |
Harald Welte | 10ba47d | 2019-02-18 12:36:54 +0100 | [diff] [blame] | 224 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 225 | |
Philipp Maier | 74c4c4e | 2019-02-04 16:42:28 +0100 | [diff] [blame] | 226 | return msg; |
| 227 | } |
| 228 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 229 | /*! Create BSSMAP Cipher Mode Command message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 230 | * \param[in] ei Mandatory Encryption Information |
| 231 | * \param[in] cipher_response_mode optional 1-byte Cipher Response Mode |
| 232 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Command message */ |
Philipp Maier | b478dd3 | 2017-03-29 15:50:05 +0200 | [diff] [blame] | 233 | struct msgb *gsm0808_create_cipher(const struct gsm0808_encrypt_info *ei, |
| 234 | const uint8_t *cipher_response_mode) |
| 235 | { |
| 236 | /* See also: 3GPP TS 48.008 3.2.1.30 CIPHER MODE COMMAND */ |
| 237 | struct msgb *msg; |
| 238 | |
| 239 | /* Mandatory emelent! */ |
| 240 | OSMO_ASSERT(ei); |
| 241 | |
| 242 | msg = |
| 243 | msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 244 | "cipher-mode-command"); |
| 245 | if (!msg) |
| 246 | return NULL; |
| 247 | |
| 248 | /* Message Type 3.2.2.1 */ |
| 249 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_CMD); |
| 250 | |
| 251 | /* Encryption Information 3.2.2.10 */ |
| 252 | gsm0808_enc_encrypt_info(msg, ei); |
| 253 | |
| 254 | /* Cipher Response Mode 3.2.2.34 */ |
| 255 | if (cipher_response_mode) |
| 256 | msgb_tv_put(msg, GSM0808_IE_CIPHER_RESPONSE_MODE, |
| 257 | *cipher_response_mode); |
| 258 | |
| 259 | /* pre-pend the header */ |
| 260 | msg->l3h = |
| 261 | msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 262 | |
| 263 | return msg; |
| 264 | } |
| 265 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 266 | /*! Create BSSMAP Cipher Mode Complete message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 267 | * \param[in] layer3 L3 Message to be included |
| 268 | * \param[in] alg_id Chosen Encrpytion Algorithm |
| 269 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Complete message */ |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 270 | struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id) |
| 271 | { |
| 272 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 273 | "cipher-complete"); |
| 274 | if (!msg) |
| 275 | return NULL; |
| 276 | |
| 277 | /* send response with BSS override for A5/1... cheating */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 278 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_COMPLETE); |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 279 | |
| 280 | /* include layer3 in case we have at least two octets */ |
| 281 | if (layer3 && msgb_l3len(layer3) > 2) { |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 282 | msg->l4h = msgb_tlv_put(msg, GSM0808_IE_LAYER_3_MESSAGE_CONTENTS, |
| 283 | msgb_l3len(layer3), layer3->l3h); |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | /* and the optional BSS message */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 287 | 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] | 288 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 289 | /* pre-pend the header */ |
| 290 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 291 | |
Holger Hans Peter Freyther | 81716d5 | 2010-04-17 06:16:35 +0200 | [diff] [blame] | 292 | return msg; |
| 293 | } |
| 294 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 295 | /*! Create BSSMAP Cipher Mode Reject message |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 296 | * \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] | 297 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Reject message */ |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 298 | struct msgb *gsm0808_create_cipher_reject(enum gsm0808_cause cause) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 299 | { |
| 300 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 301 | "bssmap: cipher mode reject"); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 302 | if (!msg) |
| 303 | return NULL; |
| 304 | |
Harald Welte | 62e4085 | 2017-12-17 20:50:34 +0100 | [diff] [blame] | 305 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_REJECT); |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 306 | |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 307 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 308 | |
| 309 | 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] | 310 | |
| 311 | return msg; |
| 312 | } |
| 313 | |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 314 | /*! Create BSSMAP Cipher Mode Reject message |
| 315 | * \param[in] class 3GPP TS 08.08 §3.2.2.5 cause's class |
| 316 | * \param[in] ext 3GPP TS 08.08 §3.2.2.5 cause value (national application extension) |
| 317 | * \returns callee-allocated msgb with BSSMAP Cipher Mode Reject message */ |
| 318 | struct msgb *gsm0808_create_cipher_reject_ext(enum gsm0808_cause_class class, uint8_t ext) |
| 319 | { |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 320 | uint16_t cause; |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 321 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 322 | "bssmap: cipher mode reject"); |
| 323 | if (!msg) |
| 324 | return NULL; |
| 325 | |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 326 | /* Set cause code class in the upper byte */ |
| 327 | cause = 0x80 | (class << 4); |
| 328 | cause = cause << 8; |
| 329 | |
| 330 | /* Set cause code extension in the lower byte */ |
| 331 | cause |= ext; |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 332 | |
| 333 | msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_REJECT); |
| 334 | |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 335 | gsm0808_enc_cause(msg, cause); |
Max | ed651d2 | 2018-11-07 15:25:05 +0100 | [diff] [blame] | 336 | |
| 337 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 338 | |
| 339 | return msg; |
| 340 | } |
| 341 | |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 342 | /*! Create BSSMAP LCLS CONNECT CONTROL message (TS 48.008 3.2.1.91). |
| 343 | * \param[in] config LCLS Configuration |
| 344 | * \param[in] control LCLS Connection Status Control |
| 345 | * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
Max | 45f89c9 | 2018-12-19 19:35:26 +0100 | [diff] [blame] | 346 | struct msgb *gsm0808_create_lcls_conn_ctrl(enum gsm0808_lcls_config config, |
| 347 | enum gsm0808_lcls_control control) |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 348 | { |
Max | 45f89c9 | 2018-12-19 19:35:26 +0100 | [diff] [blame] | 349 | struct msgb *msg; |
| 350 | |
| 351 | /* According to NOTE 1 in §3.2.1.91 at least one of the parameters is required */ |
| 352 | if (config == GSM0808_LCLS_CFG_NA && control == GSM0808_LCLS_CSC_NA) |
| 353 | return NULL; |
| 354 | |
| 355 | 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] | 356 | if (!msg) |
| 357 | return NULL; |
| 358 | |
| 359 | msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL); |
Max | 45f89c9 | 2018-12-19 19:35:26 +0100 | [diff] [blame] | 360 | if (config != GSM0808_LCLS_CFG_NA) |
| 361 | msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, config); |
| 362 | if (control != GSM0808_LCLS_CSC_NA) |
| 363 | msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, control); |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 364 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 365 | |
| 366 | return msg; |
| 367 | } |
| 368 | |
| 369 | /*! Create BSSMAP LCLS CONNECT CONTROL ACK message (TS 48.008 3.2.1.92). |
| 370 | * \param[in] status LCLS BSS Status |
| 371 | * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| 372 | struct msgb *gsm0808_create_lcls_conn_ctrl_ack(enum gsm0808_lcls_status status) |
| 373 | { |
| 374 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 375 | "bssmap: LCLS CONN CTRL ACK"); |
| 376 | if (!msg) |
| 377 | return NULL; |
| 378 | |
| 379 | msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK); |
| 380 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status); |
| 381 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 382 | |
| 383 | return msg; |
| 384 | } |
| 385 | |
| 386 | /*! Create BSSMAP LCLS NOTIFICATION message (TS 48.008 3.2.1.93). |
| 387 | * \param[in] status LCLS BSS Status |
| 388 | * \param[in] break_req Include the LCLS BREAK REQ IE (true) or not (false) |
| 389 | * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| 390 | struct msgb *gsm0808_create_lcls_notification(enum gsm0808_lcls_status status, bool break_req) |
| 391 | { |
| 392 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 393 | "bssmap: LCLS NOTIFICATION"); |
| 394 | if (!msg) |
| 395 | return NULL; |
| 396 | |
| 397 | msgb_v_put(msg, BSS_MAP_MSG_LCLS_NOTIFICATION); |
| 398 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status); |
| 399 | if (break_req) |
| 400 | msgb_v_put(msg, GSM0808_IE_LCLS_BREAK_REQ); |
| 401 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 402 | |
| 403 | return msg; |
| 404 | } |
| 405 | |
Neels Hofmeyr | 2c79d55 | 2018-09-13 05:36:32 +0200 | [diff] [blame] | 406 | /*! Create BSSMAP Classmark Request message |
| 407 | * \returns callee-allocated msgb with BSSMAP Classmark Request message */ |
| 408 | struct msgb *gsm0808_create_classmark_request() |
| 409 | { |
| 410 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 411 | "classmark-request"); |
| 412 | if (!msg) |
| 413 | return NULL; |
| 414 | |
| 415 | msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_RQST); |
| 416 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 417 | return msg; |
| 418 | } |
Harald Welte | 64e807c | 2018-05-29 21:00:56 +0200 | [diff] [blame] | 419 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 420 | /*! Create BSSMAP Classmark Update message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 421 | * \param[in] cm2 Classmark 2 |
| 422 | * \param[in] cm2_len length (in octets) of \a cm2 |
| 423 | * \param[in] cm3 Classmark 3 |
| 424 | * \param[in] cm3_len length (in octets) of \a cm3 |
| 425 | * \returns callee-allocated msgb with BSSMAP Classmark Update message */ |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 426 | struct msgb *gsm0808_create_classmark_update(const uint8_t *cm2, uint8_t cm2_len, |
| 427 | const uint8_t *cm3, uint8_t cm3_len) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 428 | { |
| 429 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 430 | "classmark-update"); |
| 431 | if (!msg) |
| 432 | return NULL; |
| 433 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 434 | msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_UPDATE); |
Harald Welte | 07b625d | 2012-01-23 10:02:58 +0100 | [diff] [blame] | 435 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T2, cm2_len, cm2); |
| 436 | if (cm3) |
| 437 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T3, |
| 438 | cm3_len, cm3); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 439 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 440 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 441 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 442 | return msg; |
| 443 | } |
| 444 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 445 | /*! Create BSSMAP SAPI N Reject message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 446 | * \param[in] link_id Link Identifier |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 447 | * \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] | 448 | * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 449 | 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] | 450 | { |
| 451 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 452 | "bssmap: sapi 'n' reject"); |
| 453 | if (!msg) |
| 454 | return NULL; |
| 455 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 456 | msgb_v_put(msg, BSS_MAP_MSG_SAPI_N_REJECT); |
Alexander Chemeris | a5b1b86 | 2020-05-12 01:03:08 +0300 | [diff] [blame] | 457 | msgb_tv_put(msg, GSM0808_IE_DLCI, link_id); |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 458 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 459 | |
| 460 | 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] | 461 | |
| 462 | return msg; |
| 463 | } |
| 464 | |
Vadim Yanitskiy | fa6cd88 | 2020-08-26 18:03:59 +0700 | [diff] [blame] | 465 | /*! Create BSSMAP SAPI N Reject message (with hard-coded cause "BSS not equipped"). |
| 466 | * DEPRECATED: use gsm0808_create_sapi_reject_cause() instead. |
| 467 | * \param[in] link_id Link Identifier |
| 468 | * \param[in] cause BSSAP Cause value (see 3GPP TS 48.008, section 3.2.2.5) |
| 469 | * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ |
| 470 | struct msgb *gsm0808_create_sapi_reject(uint8_t link_id) |
| 471 | { |
| 472 | return gsm0808_create_sapi_reject_cause(link_id, GSM0808_CAUSE_BSS_NOT_EQUIPPED); |
| 473 | } |
| 474 | |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 475 | /*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1. |
| 476 | * 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] | 477 | * \param[in] ct Channel Type |
| 478 | * \param[in] cic Circuit Identity Code (Classic A only) |
| 479 | * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only) |
| 480 | * \param[in] scl Speech Codec List (AoIP only) |
Max | 49c0668 | 2018-11-21 22:10:26 +0100 | [diff] [blame] | 481 | * \param[in] ci Call Identifier (Optional), §3.2.2.105 |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 482 | * \param[in] kc Kc128 ciphering key (Optional, A5/4), §3.2.2.109 |
| 483 | * \param[in] lcls Optional LCLS parameters |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 484 | * \returns callee-allocated msgb with BSSMAP Assignment Request message */ |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 485 | struct msgb *gsm0808_create_ass2(const struct gsm0808_channel_type *ct, |
| 486 | const uint16_t *cic, |
| 487 | const struct sockaddr_storage *ss, |
| 488 | const struct gsm0808_speech_codec_list *scl, |
| 489 | const uint32_t *ci, |
| 490 | const uint8_t *kc, const struct osmo_lcls *lcls) |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 491 | { |
| 492 | /* See also: 3GPP TS 48.008 3.2.1.1 ASSIGNMENT REQUEST */ |
| 493 | struct msgb *msg; |
| 494 | uint16_t cic_sw; |
| 495 | uint32_t ci_sw; |
| 496 | |
| 497 | /* Mandatory emelent! */ |
| 498 | OSMO_ASSERT(ct); |
| 499 | |
| 500 | msg = |
| 501 | msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 502 | "bssmap: ass req"); |
| 503 | if (!msg) |
| 504 | return NULL; |
| 505 | |
| 506 | /* Message Type 3.2.2.1 */ |
| 507 | msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_RQST); |
| 508 | |
| 509 | /* Channel Type 3.2.2.11 */ |
| 510 | gsm0808_enc_channel_type(msg, ct); |
| 511 | |
| 512 | /* Circuit Identity Code 3.2.2.2 */ |
| 513 | if (cic) { |
Harald Welte | 95871da | 2017-05-15 12:11:36 +0200 | [diff] [blame] | 514 | cic_sw = osmo_htons(*cic); |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 515 | msgb_tv_fixed_put(msg, GSM0808_IE_CIRCUIT_IDENTITY_CODE, |
| 516 | sizeof(cic_sw), (uint8_t *) & cic_sw); |
| 517 | } |
| 518 | |
| 519 | /* AoIP: AoIP Transport Layer Address (MGW) 3.2.2.102 */ |
| 520 | if (ss) { |
| 521 | gsm0808_enc_aoip_trasp_addr(msg, ss); |
| 522 | } |
| 523 | |
| 524 | /* AoIP: Codec List (MSC Preferred) 3.2.2.103 */ |
| 525 | if (scl) |
| 526 | gsm0808_enc_speech_codec_list(msg, scl); |
| 527 | |
| 528 | /* AoIP: Call Identifier 3.2.2.105 */ |
| 529 | if (ci) { |
Philipp Maier | 2908dbf | 2020-06-05 14:16:11 +0200 | [diff] [blame] | 530 | /* NOTE: 3GPP TS 48.008, section 3.2.2.105 specifies that |
| 531 | the least significant byte should be transmitted first. |
| 532 | On x86, this would mean that the endieness is already |
| 533 | correct, however a platform independed implementation |
| 534 | is required: */ |
| 535 | #ifndef OSMO_IS_LITTLE_ENDIAN |
| 536 | ci_sw = osmo_swab32(*ci); |
| 537 | #else |
| 538 | ci_sw = *ci; |
| 539 | #endif |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 540 | msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, sizeof(ci_sw), |
| 541 | (uint8_t *) & ci_sw); |
| 542 | } |
| 543 | |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 544 | if (kc) |
| 545 | msgb_tv_fixed_put(msg, GSM0808_IE_KC_128, 16, kc); |
| 546 | |
Max | 4702215 | 2018-12-19 18:51:00 +0100 | [diff] [blame] | 547 | if (lcls) |
| 548 | gsm0808_enc_lcls(msg, lcls); |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 549 | |
Philipp Maier | c6144a2 | 2017-03-29 17:53:43 +0200 | [diff] [blame] | 550 | /* push the bssmap header */ |
| 551 | msg->l3h = |
| 552 | msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 553 | |
| 554 | return msg; |
| 555 | } |
| 556 | |
Max | 5207432 | 2018-11-30 10:44:07 +0100 | [diff] [blame] | 557 | /*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1. |
| 558 | * \param[in] ct Channel Type |
| 559 | * \param[in] cic Circuit Identity Code (Classic A only) |
| 560 | * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only) |
| 561 | * \param[in] scl Speech Codec List (AoIP only) |
| 562 | * \param[in] ci Call Identifier (Optional), §3.2.2.105 |
| 563 | * \returns callee-allocated msgb with BSSMAP Assignment Request message */ |
| 564 | struct msgb *gsm0808_create_ass(const struct gsm0808_channel_type *ct, |
| 565 | const uint16_t *cic, |
| 566 | const struct sockaddr_storage *ss, |
| 567 | const struct gsm0808_speech_codec_list *scl, |
| 568 | const uint32_t *ci) |
| 569 | { |
| 570 | return gsm0808_create_ass2(ct, cic, ss, scl, ci, NULL, NULL); |
| 571 | } |
| 572 | |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 573 | /*! 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] | 574 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 575 | * \param[in] chosen_channel Chosen Channel |
| 576 | * \param[in] encr_alg_id Encryption Algorithm ID |
| 577 | * \param[in] speech_mode Speech Mode |
| 578 | * \param[in] ss Socket Address of BSS-side RTP socket |
| 579 | * \param[in] sc Speech Codec (current) |
| 580 | * \param[in] scl Speech Codec List (permitted) |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 581 | * \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] | 582 | * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 583 | 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] | 584 | uint8_t encr_alg_id, uint8_t speech_mode, |
| 585 | const struct sockaddr_storage *ss, |
| 586 | const struct gsm0808_speech_codec *sc, |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 587 | const struct gsm0808_speech_codec_list *scl, |
| 588 | enum gsm0808_lcls_status lcls_bss_status) |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 589 | { |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 590 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 591 | "bssmap: ass compl"); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 592 | if (!msg) |
| 593 | return NULL; |
| 594 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 595 | msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_COMPLETE); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 596 | |
| 597 | /* write 3.2.2.22 */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 598 | msgb_tv_put(msg, GSM0808_IE_RR_CAUSE, rr_cause); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 599 | |
| 600 | /* write cirtcuit identity code 3.2.2.2 */ |
| 601 | /* write cell identifier 3.2.2.17 */ |
| 602 | /* write chosen channel 3.2.2.33 when BTS picked it */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 603 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, chosen_channel); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 604 | |
| 605 | /* write chosen encryption algorithm 3.2.2.44 */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 606 | 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] | 607 | |
| 608 | /* write circuit pool 3.2.2.45 */ |
| 609 | /* write speech version chosen: 3.2.2.51 when BTS picked it */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 610 | if (speech_mode != 0) |
| 611 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, speech_mode); |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 612 | |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 613 | /* AoIP: AoIP Transport Layer Address (BSS) 3.2.2.102 */ |
| 614 | if (ss) |
| 615 | gsm0808_enc_aoip_trasp_addr(msg, ss); |
| 616 | |
| 617 | /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
| 618 | if (sc) |
| 619 | gsm0808_enc_speech_codec(msg, sc); |
| 620 | |
| 621 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| 622 | if (scl) |
| 623 | gsm0808_enc_speech_codec_list(msg, scl); |
| 624 | |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 625 | /* FIXME: write LSA identifier 3.2.2.15 - see 3GPP TS 43.073 */ |
| 626 | |
| 627 | /* LCLS-BSS-Status 3.2.2.119 */ |
| 628 | if (lcls_bss_status != GSM0808_LCLS_STS_NA) |
| 629 | 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] | 630 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 631 | 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] | 632 | |
Holger Hans Peter Freyther | ba6172a | 2010-04-17 06:21:49 +0200 | [diff] [blame] | 633 | return msg; |
| 634 | } |
| 635 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 636 | /*! Create BSSMAP Assignment Completed message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 637 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 638 | * \param[in] chosen_channel Chosen Channel |
| 639 | * \param[in] encr_alg_id Encryption Algorithm ID |
| 640 | * \param[in] speech_mode Speech Mode |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 641 | * \param[in] ss Socket Address of BSS-side RTP socket |
| 642 | * \param[in] sc Speech Codec (current) |
| 643 | * \param[in] scl Speech Codec List (permitted) |
| 644 | * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
| 645 | struct msgb *gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel, |
| 646 | uint8_t encr_alg_id, uint8_t speech_mode, |
| 647 | const struct sockaddr_storage *ss, |
| 648 | const struct gsm0808_speech_codec *sc, |
| 649 | const struct gsm0808_speech_codec_list *scl) |
| 650 | { |
| 651 | return gsm0808_create_ass_compl2(rr_cause, chosen_channel, encr_alg_id, speech_mode, |
| 652 | ss, sc, scl, GSM0808_LCLS_STS_NA); |
| 653 | } |
| 654 | |
| 655 | /*! Create BSSMAP Assignment Completed message |
| 656 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 657 | * \param[in] chosen_channel Chosen Channel |
| 658 | * \param[in] encr_alg_id Encryption Algorithm ID |
| 659 | * \param[in] speech_mode Speech Mode |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 660 | * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 661 | struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, |
| 662 | uint8_t chosen_channel, |
| 663 | uint8_t encr_alg_id, |
| 664 | uint8_t speech_mode) |
| 665 | { |
Max | 414c8f5 | 2019-01-08 14:44:24 +0100 | [diff] [blame] | 666 | return gsm0808_create_ass_compl2(rr_cause, chosen_channel, encr_alg_id, |
| 667 | speech_mode, NULL, NULL, NULL, GSM0808_LCLS_STS_NA); |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 668 | } |
| 669 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 670 | /*! Create BSSMAP Assignment Failure message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 671 | * \param[in] cause BSSMAP Cause value |
| 672 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 673 | * \param[in] scl Optional Speech Cdec List (AoIP) |
| 674 | * \returns callee-allocated msgb with BSSMAP Assignment Failure message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 675 | struct msgb *gsm0808_create_ass_fail(uint8_t cause, const uint8_t *rr_cause, |
| 676 | const struct gsm0808_speech_codec_list |
| 677 | *scl) |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 678 | { |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 679 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 680 | "bssmap: ass fail"); |
| 681 | if (!msg) |
| 682 | return NULL; |
| 683 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 684 | msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_FAILURE); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 685 | gsm0808_enc_cause(msg, cause); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 686 | |
| 687 | /* RR cause 3.2.2.22 */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 688 | if (rr_cause) |
| 689 | msgb_tv_put(msg, GSM0808_IE_RR_CAUSE, *rr_cause); |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 690 | |
| 691 | /* Circuit pool 3.22.45 */ |
| 692 | /* Circuit pool list 3.2.2.46 */ |
| 693 | |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 694 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| 695 | if (scl) |
| 696 | gsm0808_enc_speech_codec_list(msg, scl); |
| 697 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 698 | /* update the size */ |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 699 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 700 | |
Holger Hans Peter Freyther | 280cd51 | 2010-04-15 10:10:39 +0200 | [diff] [blame] | 701 | return msg; |
| 702 | } |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 703 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 704 | /*! Create BSSMAP Assignment Failure message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 705 | * \param[in] cause BSSMAP Cause value |
| 706 | * \param[in] rr_cause GSM 04.08 RR Cause value |
| 707 | * \returns callee-allocated msgb with BSSMAP Assignment Failure message */ |
Philipp Maier | fa896ab | 2017-03-27 16:55:32 +0200 | [diff] [blame] | 708 | struct msgb *gsm0808_create_assignment_failure(uint8_t cause, |
| 709 | uint8_t *rr_cause) |
| 710 | { |
| 711 | return gsm0808_create_ass_fail(cause, rr_cause, NULL); |
| 712 | } |
| 713 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 714 | /*! Create BSSMAP Clear Request message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 715 | * \param[in] cause BSSMAP Cause value |
| 716 | * \returns callee-allocated msgb with BSSMAP Clear Request message */ |
Holger Hans Peter Freyther | af270a4 | 2010-11-04 12:42:50 +0100 | [diff] [blame] | 717 | struct msgb *gsm0808_create_clear_rqst(uint8_t cause) |
| 718 | { |
| 719 | struct msgb *msg; |
| 720 | |
| 721 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 722 | "bssmap: clear rqst"); |
| 723 | if (!msg) |
| 724 | return NULL; |
| 725 | |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 726 | msgb_v_put(msg, BSS_MAP_MSG_CLEAR_RQST); |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 727 | gsm0808_enc_cause(msg, cause); |
Harald Welte | 65c2d36 | 2012-01-21 14:26:01 +0100 | [diff] [blame] | 728 | 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] | 729 | |
Holger Hans Peter Freyther | af270a4 | 2010-11-04 12:42:50 +0100 | [diff] [blame] | 730 | return msg; |
| 731 | } |
| 732 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 733 | /*! Create BSSMAP PAGING message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 734 | * \param[in] imsi Mandatory paged IMSI in string representation |
| 735 | * \param[in] tmsi Optional paged TMSI |
Stefan Sperling | 3953f41 | 2018-08-28 15:06:30 +0200 | [diff] [blame] | 736 | * \param[in] cil Mandatory Cell Identity List (where to page) |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 737 | * \param[in] chan_needed Channel Type needed |
| 738 | * \returns callee-allocated msgb with BSSMAP PAGING message */ |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 739 | struct msgb *gsm0808_create_paging2(const char *imsi, const uint32_t *tmsi, |
| 740 | const struct gsm0808_cell_id_list2 *cil, |
| 741 | const uint8_t *chan_needed) |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 742 | { |
| 743 | struct msgb *msg; |
Harald Welte | a13fb75 | 2020-06-16 08:44:42 +0200 | [diff] [blame] | 744 | uint8_t mid_buf[GSM48_MI_SIZE + 2]; |
| 745 | int mid_len; |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 746 | uint32_t tmsi_sw; |
| 747 | |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 748 | /* Mandatory elements! */ |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 749 | OSMO_ASSERT(imsi); |
| 750 | OSMO_ASSERT(cil); |
| 751 | |
| 752 | /* Malformed IMSI */ |
| 753 | OSMO_ASSERT(strlen(imsi) <= GSM48_MI_SIZE); |
| 754 | |
| 755 | msg = |
| 756 | msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "paging"); |
| 757 | if (!msg) |
| 758 | return NULL; |
| 759 | |
| 760 | /* Message Type 3.2.2.1 */ |
| 761 | msgb_v_put(msg, BSS_MAP_MSG_PAGING); |
| 762 | |
Stefan Sperling | 3953f41 | 2018-08-28 15:06:30 +0200 | [diff] [blame] | 763 | /* mandatory IMSI 3.2.2.6 */ |
Harald Welte | a13fb75 | 2020-06-16 08:44:42 +0200 | [diff] [blame] | 764 | mid_len = gsm48_generate_mid_from_imsi(mid_buf, imsi); |
| 765 | 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] | 766 | |
| 767 | /* TMSI 3.2.2.7 */ |
| 768 | if (tmsi) { |
Harald Welte | 95871da | 2017-05-15 12:11:36 +0200 | [diff] [blame] | 769 | tmsi_sw = osmo_htonl(*tmsi); |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 770 | msgb_tlv_put(msg, GSM0808_IE_TMSI, sizeof(*tmsi), |
| 771 | (uint8_t *) & tmsi_sw); |
| 772 | } |
| 773 | |
Stefan Sperling | 3953f41 | 2018-08-28 15:06:30 +0200 | [diff] [blame] | 774 | /* mandatory Cell Identifier List 3.2.2.27 */ |
| 775 | gsm0808_enc_cell_id_list2(msg, cil); |
Philipp Maier | 3d48ec0 | 2017-03-29 17:37:55 +0200 | [diff] [blame] | 776 | |
| 777 | /* Channel Needed 3.2.2.36 */ |
| 778 | if (chan_needed) { |
| 779 | msgb_tv_put(msg, GSM0808_IE_CHANNEL_NEEDED, |
| 780 | (*chan_needed) & 0x03); |
| 781 | } |
| 782 | |
| 783 | /* pre-pend the header */ |
| 784 | msg->l3h = |
| 785 | msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 786 | |
| 787 | return msg; |
| 788 | } |
| 789 | |
Stefan Sperling | 11a4d9d | 2018-02-15 18:28:04 +0100 | [diff] [blame] | 790 | /*! DEPRECATED: Use gsm0808_create_paging2 instead. |
| 791 | * Create BSSMAP PAGING message. |
| 792 | * \param[in] imsi Mandatory paged IMSI in string representation |
| 793 | * \param[in] tmsi Optional paged TMSI |
| 794 | * \param[in] cil Cell Identity List (where to page) |
| 795 | * \param[in] chan_needed Channel Type needed |
| 796 | * \returns callee-allocated msgb with BSSMAP PAGING message */ |
| 797 | struct msgb *gsm0808_create_paging(const char *imsi, const uint32_t *tmsi, |
| 798 | const struct gsm0808_cell_id_list *cil, |
| 799 | const uint8_t *chan_needed) |
| 800 | { |
| 801 | struct gsm0808_cell_id_list2 cil2 = {}; |
| 802 | |
| 803 | /* Mandatory emelents! */ |
| 804 | OSMO_ASSERT(cil); |
| 805 | |
| 806 | if (cil->id_list_len > GSM0808_CELL_ID_LIST2_MAXLEN) |
| 807 | return NULL; |
| 808 | |
| 809 | cil2.id_discr = cil->id_discr; |
| 810 | memcpy(cil2.id_list, cil->id_list_lac, cil->id_list_len * sizeof(cil2.id_list[0].lac)); |
| 811 | cil2.id_list_len = cil->id_list_len; |
| 812 | |
| 813 | return gsm0808_create_paging2(imsi, tmsi, &cil2, chan_needed); |
| 814 | } |
| 815 | |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 816 | static uint8_t put_old_bss_to_new_bss_information(struct msgb *msg, |
| 817 | const struct gsm0808_old_bss_to_new_bss_info *i) |
| 818 | { |
| 819 | uint8_t *old_tail; |
| 820 | uint8_t *tlv_len; |
| 821 | |
| 822 | msgb_put_u8(msg, GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION); |
| 823 | tlv_len = msgb_put(msg, 1); |
| 824 | old_tail = msg->tail; |
| 825 | |
| 826 | if (i->extra_information_present) { |
| 827 | uint8_t val = 0; |
| 828 | if (i->extra_information.prec) |
| 829 | val |= 1 << 0; |
| 830 | if (i->extra_information.lcs) |
| 831 | val |= 1 << 1; |
| 832 | if (i->extra_information.ue_prob) |
| 833 | val |= 1 << 2; |
| 834 | msgb_tlv_put(msg, GSM0808_FE_IE_EXTRA_INFORMATION, 1, &val); |
| 835 | } |
| 836 | |
| 837 | if (i->current_channel_type_2_present) { |
| 838 | uint8_t val[2] = { |
| 839 | i->current_channel_type_2.mode, |
| 840 | i->current_channel_type_2.field, |
| 841 | }; |
| 842 | msgb_tlv_put(msg, GSM0808_FE_IE_CURRENT_CHANNEL_TYPE_2, 2, val); |
| 843 | } |
| 844 | |
| 845 | *tlv_len = (uint8_t) (msg->tail - old_tail); |
| 846 | return *tlv_len + 2; |
| 847 | } |
| 848 | |
| 849 | /*! Create BSSMAP HANDOVER REQUIRED message. |
| 850 | * \param[in] params All information to be encoded. |
Neels Hofmeyr | 302aafc | 2019-04-10 19:23:45 +0200 | [diff] [blame] | 851 | * \returns newly allocated msgb with BSSMAP HANDOVER REQUIRED message. */ |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 852 | struct msgb *gsm0808_create_handover_required(const struct gsm0808_handover_required *params) |
| 853 | { |
| 854 | struct msgb *msg; |
| 855 | |
| 856 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUIRED"); |
| 857 | if (!msg) |
| 858 | return NULL; |
| 859 | |
| 860 | /* Message Type, 3.2.2.1 */ |
| 861 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_REQUIRED); |
| 862 | |
| 863 | /* Cause, 3.2.2.5 */ |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 864 | gsm0808_enc_cause(msg, params->cause); |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 865 | |
| 866 | /* Cell Identifier List, 3.2.2.27 */ |
| 867 | gsm0808_enc_cell_id_list2(msg, ¶ms->cil); |
| 868 | |
| 869 | /* Current Channel Type 1, 3.2.2.49 */ |
| 870 | if (params->current_channel_type_1_present) |
| 871 | msgb_tv_fixed_put(msg, GSM0808_IE_CURRENT_CHANNEL_TYPE_1, 1, ¶ms->current_channel_type_1); |
| 872 | |
| 873 | /* Speech Version (Used), 3.2.2.51 */ |
| 874 | if (params->speech_version_used_present) |
Neels Hofmeyr | 302aafc | 2019-04-10 19:23:45 +0200 | [diff] [blame] | 875 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_used); |
Neels Hofmeyr | 70aba3f | 2018-03-13 03:40:53 +0100 | [diff] [blame] | 876 | |
| 877 | if (params->old_bss_to_new_bss_info_present) |
| 878 | put_old_bss_to_new_bss_information(msg, ¶ms->old_bss_to_new_bss_info); |
| 879 | |
| 880 | /* pre-pend the header */ |
| 881 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 882 | |
| 883 | return msg; |
| 884 | } |
| 885 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 886 | /*! Create BSSMAP HANDOVER REQUIRED REJECT message. |
| 887 | * \returns newly allocated msgb with BSSMAP HANDOVER REQUIRED REJECT message. */ |
| 888 | struct msgb *gsm0808_create_handover_required_reject(const struct gsm0808_handover_required_reject *params) |
| 889 | { |
| 890 | struct msgb *msg; |
| 891 | |
| 892 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUIRED-REJECT"); |
| 893 | if (!msg) |
| 894 | return NULL; |
| 895 | |
| 896 | /* Message Type, 3.2.2.1 */ |
| 897 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT); |
| 898 | |
| 899 | /* Cause, 3.2.2.5 */ |
| 900 | gsm0808_enc_cause(msg, params->cause); |
| 901 | |
| 902 | /* prepend the header */ |
| 903 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 904 | |
| 905 | return msg; |
| 906 | } |
| 907 | |
| 908 | /*! Create BSSMAP HANDOVER REQUEST message, 3GPP TS 48.008 3.2.1.8. |
| 909 | * Sent from the MSC to the potential new target cell during inter-BSC handover, or to the target MSC during inter-MSC |
| 910 | * handover. |
| 911 | */ |
| 912 | struct msgb *gsm0808_create_handover_request(const struct gsm0808_handover_request *params) |
| 913 | { |
| 914 | struct msgb *msg; |
| 915 | |
| 916 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUEST"); |
| 917 | if (!msg) |
| 918 | return NULL; |
| 919 | |
| 920 | /* Message Type, 3.2.2.1 */ |
| 921 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_RQST); |
| 922 | |
| 923 | /* Channel Type 3.2.2.11 */ |
| 924 | gsm0808_enc_channel_type(msg, ¶ms->channel_type); |
| 925 | |
| 926 | /* Encryption Information 3.2.2.10 */ |
| 927 | gsm0808_enc_encrypt_info(msg, ¶ms->encryption_information); |
| 928 | |
| 929 | /* Classmark Information 1 3.2.2.30 or Classmark Information 2 3.2.2.19 (Classmark 2 wins) */ |
| 930 | if (params->classmark_information.classmark2_len) { |
| 931 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T2, |
| 932 | params->classmark_information.classmark2_len, |
| 933 | (const uint8_t*)¶ms->classmark_information.classmark2); |
| 934 | } else if (params->classmark_information.classmark1_set) { |
| 935 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1, |
| 936 | sizeof(params->classmark_information.classmark1), |
| 937 | (const uint8_t*)¶ms->classmark_information.classmark1); |
| 938 | } |
| 939 | /* (Classmark 3 possibly follows below) */ |
| 940 | |
| 941 | /* Cell Identifier (Serving) , 3.2.2.17 */ |
| 942 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier_serving); |
| 943 | |
| 944 | /* Cell Identifier (Target) , 3.2.2.17 */ |
| 945 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier_target); |
| 946 | |
| 947 | /* Cause, 3.2.2.5 */ |
| 948 | gsm0808_enc_cause(msg, params->cause); |
| 949 | |
| 950 | /* Classmark Information 3 3.2.2.20 */ |
| 951 | if (params->classmark_information.classmark3_len) { |
| 952 | msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T3, |
| 953 | params->classmark_information.classmark3_len, |
| 954 | (const uint8_t*)¶ms->classmark_information.classmark3); |
| 955 | } |
| 956 | |
| 957 | /* Current Channel type 1 3.2.2.49 */ |
| 958 | if (params->current_channel_type_1_present) |
| 959 | msgb_tv_fixed_put(msg, GSM0808_IE_CURRENT_CHANNEL_TYPE_1, 1, ¶ms->current_channel_type_1); |
| 960 | |
| 961 | /* Speech Version (Used), 3.2.2.51 */ |
| 962 | if (params->speech_version_used) { |
| 963 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_used); |
| 964 | } |
| 965 | |
| 966 | /* Chosen Encryption Algorithm (Serving) 3.2.2.44 */ |
| 967 | if (params->chosen_encryption_algorithm_serving) |
| 968 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encryption_algorithm_serving); |
| 969 | |
| 970 | /* Old BSS to New BSS Information 3.2.2.58 */ |
| 971 | if (params->old_bss_to_new_bss_info_raw && params->old_bss_to_new_bss_info_raw_len) { |
| 972 | msgb_tlv_put(msg, GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION, |
| 973 | params->old_bss_to_new_bss_info_raw_len, |
| 974 | params->old_bss_to_new_bss_info_raw); |
| 975 | } else if (params->old_bss_to_new_bss_info_present) { |
| 976 | put_old_bss_to_new_bss_information(msg, ¶ms->old_bss_to_new_bss_info); |
| 977 | } |
| 978 | |
| 979 | /* IMSI 3.2.2.6 */ |
| 980 | if (params->imsi) { |
Harald Welte | a13fb75 | 2020-06-16 08:44:42 +0200 | [diff] [blame] | 981 | uint8_t mid_buf[GSM48_MI_SIZE + 2]; |
| 982 | int mid_len = gsm48_generate_mid_from_imsi(mid_buf, params->imsi); |
| 983 | 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] | 984 | } |
| 985 | |
| 986 | if (params->aoip_transport_layer) |
| 987 | gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer); |
| 988 | |
| 989 | if (params->codec_list_msc_preferred) |
| 990 | gsm0808_enc_speech_codec_list(msg, params->codec_list_msc_preferred); |
| 991 | |
| 992 | if (params->call_id_present) { |
| 993 | uint8_t val[4]; |
| 994 | osmo_store32le(params->call_id, val); |
| 995 | msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, 4, val); |
| 996 | } |
| 997 | |
| 998 | if (params->global_call_reference && params->global_call_reference_len) { |
| 999 | msgb_tlv_put(msg, GSM0808_IE_GLOBAL_CALL_REF, |
| 1000 | params->global_call_reference_len, params->global_call_reference); |
| 1001 | } |
| 1002 | |
| 1003 | /* prepend header with final length */ |
| 1004 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1005 | |
| 1006 | return msg; |
| 1007 | } |
| 1008 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1009 | /*! Create BSSMAP HANDOVER REQUEST ACKNOWLEDGE message, 3GPP TS 48.008 3.2.1.10. |
| 1010 | * Sent from the MT BSC back to the MSC when it has allocated an lchan to handover to. |
| 1011 | * 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] | 1012 | 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] | 1013 | { |
| 1014 | struct msgb *msg; |
| 1015 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1016 | 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] | 1017 | if (!msg) |
| 1018 | return NULL; |
| 1019 | |
| 1020 | /* Message Type, 3.2.2.1 */ |
| 1021 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE); |
| 1022 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1023 | /* Layer 3 Information, 3.2.2.24 -- it is actually mandatory, but rather compose a nonstandard message than |
| 1024 | * segfault or return NULL without a log message. */ |
| 1025 | if (params->l3_info && params->l3_info_len) |
| 1026 | 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] | 1027 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1028 | if (params->chosen_channel_present) |
| 1029 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
| 1030 | if (params->chosen_encr_alg) |
| 1031 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| 1032 | |
| 1033 | if (params->chosen_speech_version != 0) |
| 1034 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->chosen_speech_version); |
| 1035 | |
| 1036 | if (params->aoip_transport_layer) |
| 1037 | gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer); |
| 1038 | |
| 1039 | /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
| 1040 | if (params->speech_codec_chosen_present) |
| 1041 | gsm0808_enc_speech_codec(msg, ¶ms->speech_codec_chosen); |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1042 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1043 | /* prepend header with final length */ |
| 1044 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1045 | |
Neels Hofmeyr | b662b36 | 2018-04-16 22:31:15 +0200 | [diff] [blame] | 1046 | return msg; |
| 1047 | } |
| 1048 | |
Neels Hofmeyr | 73b943e | 2019-03-14 04:10:25 +0100 | [diff] [blame] | 1049 | /*! Same as gsm0808_create_handover_request_ack2() but with less parameters. |
| 1050 | * In particular, this lacks the AoIP Transport Layer address. */ |
| 1051 | struct msgb *gsm0808_create_handover_request_ack(const uint8_t *l3_info, uint8_t l3_info_len, |
| 1052 | uint8_t chosen_channel, uint8_t chosen_encr_alg, |
| 1053 | uint8_t chosen_speech_version) |
| 1054 | { |
| 1055 | struct gsm0808_handover_request_ack params = { |
| 1056 | .l3_info = l3_info, |
| 1057 | .l3_info_len = l3_info_len, |
| 1058 | .chosen_channel = chosen_channel, |
| 1059 | .chosen_encr_alg = chosen_encr_alg, |
| 1060 | .chosen_speech_version = chosen_speech_version, |
| 1061 | }; |
| 1062 | |
| 1063 | return gsm0808_create_handover_request_ack2(¶ms); |
| 1064 | } |
| 1065 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1066 | /*! Create BSSMAP HANDOVER COMMAND message, 3GPP TS 48.008 3.2.1.11. |
| 1067 | * Sent from the MSC to the old BSS to transmit the RR Handover Command received from the new BSS. */ |
| 1068 | struct msgb *gsm0808_create_handover_command(const struct gsm0808_handover_command *params) |
| 1069 | { |
| 1070 | struct msgb *msg; |
| 1071 | |
| 1072 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-COMMAND"); |
| 1073 | if (!msg) |
| 1074 | return NULL; |
| 1075 | |
| 1076 | /* Message Type, 3.2.2.1 */ |
| 1077 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_CMD); |
| 1078 | |
| 1079 | msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3_info_len, params->l3_info); |
| 1080 | |
| 1081 | if (params->cell_identifier.id_discr != CELL_IDENT_NO_CELL) |
| 1082 | gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| 1083 | |
| 1084 | if (params->new_bss_to_old_bss_info_raw |
| 1085 | && params->new_bss_to_old_bss_info_raw_len) |
| 1086 | msgb_tlv_put(msg, GSM0808_IE_NEW_BSS_TO_OLD_BSS_INFO, params->new_bss_to_old_bss_info_raw_len, |
| 1087 | params->new_bss_to_old_bss_info_raw); |
| 1088 | |
| 1089 | /* prepend header with final length */ |
| 1090 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1091 | |
| 1092 | return msg; |
| 1093 | } |
| 1094 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1095 | /*! Create BSSMAP HANDOVER DETECT message, 3GPP TS 48.008 3.2.1.40. |
| 1096 | * Sent from the MT BSC back to the MSC when the MS has sent a handover RACH request and the MT BSC has |
| 1097 | * received the Handover Detect message. */ |
| 1098 | struct msgb *gsm0808_create_handover_detect() |
| 1099 | { |
| 1100 | struct msgb *msg; |
| 1101 | |
| 1102 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-DETECT"); |
| 1103 | if (!msg) |
| 1104 | return NULL; |
| 1105 | |
| 1106 | /* Message Type, 3.2.2.1 */ |
| 1107 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_DETECT); |
| 1108 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1109 | /* prepend header with final length */ |
| 1110 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1111 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1112 | return msg; |
| 1113 | } |
| 1114 | |
Neels Hofmeyr | f7e9c51 | 2019-03-06 04:25:38 +0100 | [diff] [blame] | 1115 | /*! Create BSSMAP HANDOVER SUCCEEDED message, 3GPP TS 48.008 3.2.1.13. |
| 1116 | * Sent from the MSC back to the old BSS to notify that the MS has successfully accessed the new BSS. */ |
| 1117 | struct msgb *gsm0808_create_handover_succeeded() |
| 1118 | { |
| 1119 | struct msgb *msg; |
| 1120 | |
| 1121 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-DETECT"); |
| 1122 | if (!msg) |
| 1123 | return NULL; |
| 1124 | |
| 1125 | /* Message Type, 3.2.2.1 */ |
| 1126 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_SUCCEEDED); |
| 1127 | |
| 1128 | /* prepend header with final length */ |
| 1129 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1130 | |
| 1131 | return msg; |
| 1132 | } |
| 1133 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1134 | /*! Create BSSMAP HANDOVER COMPLETE message, 3GPP TS 48.008 3.2.1.12. |
| 1135 | * Sent from the MT BSC back to the MSC when the MS has fully settled into the new lchan. */ |
| 1136 | struct msgb *gsm0808_create_handover_complete(const struct gsm0808_handover_complete *params) |
| 1137 | { |
| 1138 | struct msgb *msg; |
| 1139 | |
| 1140 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-COMPLETE"); |
| 1141 | if (!msg) |
| 1142 | return NULL; |
| 1143 | |
| 1144 | /* Message Type, 3.2.2.1 */ |
| 1145 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_COMPLETE); |
| 1146 | |
| 1147 | /* RR Cause, 3.2.2.22 */ |
| 1148 | if (params->rr_cause_present) |
| 1149 | msgb_tlv_put(msg, GSM0808_IE_RR_CAUSE, 1, ¶ms->rr_cause); |
| 1150 | |
| 1151 | /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
| 1152 | if (params->speech_codec_chosen_present) |
| 1153 | gsm0808_enc_speech_codec(msg, ¶ms->speech_codec_chosen); |
| 1154 | |
| 1155 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| 1156 | if (params->codec_list_bss_supported.len) |
| 1157 | gsm0808_enc_speech_codec_list(msg, ¶ms->codec_list_bss_supported); |
| 1158 | |
| 1159 | /* Chosen Encryption Algorithm 3.2.2.44 */ |
| 1160 | if (params->chosen_encr_alg_present) |
| 1161 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| 1162 | |
| 1163 | /* LCLS-BSS-Status 3.2.2.119 */ |
| 1164 | if (params->lcls_bss_status_present) |
| 1165 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, params->lcls_bss_status); |
| 1166 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1167 | /* prepend header with final length */ |
| 1168 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1169 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1170 | return msg; |
| 1171 | } |
| 1172 | |
| 1173 | /*! Create BSSMAP HANDOVER FAILURE message, 3GPP TS 48.008 3.2.1.16. |
| 1174 | * Sent from the MT BSC back to the MSC when the handover has failed. */ |
| 1175 | struct msgb *gsm0808_create_handover_failure(const struct gsm0808_handover_failure *params) |
| 1176 | { |
| 1177 | struct msgb *msg; |
| 1178 | |
| 1179 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-FAILURE"); |
| 1180 | if (!msg) |
| 1181 | return NULL; |
| 1182 | |
| 1183 | /* Message Type, 3.2.2.1 */ |
| 1184 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_FAILURE); |
| 1185 | |
| 1186 | /* Cause, 3.2.2.5 */ |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 1187 | gsm0808_enc_cause(msg, params->cause); |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1188 | |
| 1189 | /* RR Cause, 3.2.2.22 */ |
| 1190 | if (params->rr_cause_present) |
| 1191 | msgb_tlv_put(msg, GSM0808_IE_RR_CAUSE, 1, ¶ms->rr_cause); |
| 1192 | |
| 1193 | /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| 1194 | if (params->codec_list_bss_supported.len) |
| 1195 | gsm0808_enc_speech_codec_list(msg, ¶ms->codec_list_bss_supported); |
| 1196 | |
Neels Hofmeyr | 43c266f | 2018-08-28 01:08:38 +0200 | [diff] [blame] | 1197 | /* prepend header with final length */ |
| 1198 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1199 | |
Neels Hofmeyr | 60f3153 | 2018-04-16 22:42:09 +0200 | [diff] [blame] | 1200 | return msg; |
| 1201 | } |
| 1202 | |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1203 | /*! Create BSSMAP HANDOVER PERFORMED message, 3GPP TS 48.008 3.2.1.25. |
| 1204 | * \param[in] params All information to be encoded. |
| 1205 | * \returns callee-allocated msgb with BSSMAP HANDOVER PERFORMED message */ |
| 1206 | struct msgb *gsm0808_create_handover_performed(const struct gsm0808_handover_performed *params) |
| 1207 | { |
| 1208 | struct msgb *msg; |
| 1209 | |
| 1210 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-PERFORMED"); |
| 1211 | if (!msg) |
| 1212 | return NULL; |
| 1213 | |
| 1214 | /* Message Type, 3.2.2.1 */ |
| 1215 | msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_PERFORMED); |
| 1216 | |
| 1217 | /* Cause, 3.2.2.5 */ |
Philipp Maier | 4f4905f | 2018-11-30 13:36:12 +0100 | [diff] [blame] | 1218 | gsm0808_enc_cause(msg, params->cause); |
Philipp Maier | 225bdf4 | 2018-10-30 14:56:59 +0100 | [diff] [blame] | 1219 | |
| 1220 | /* Cell Identifier, 3.2.2.17 */ |
| 1221 | gsm0808_enc_cell_id(msg, ¶ms->cell_id); |
| 1222 | |
| 1223 | /* Chosen Channel 3.2.2.33 */ |
| 1224 | if (params->chosen_channel_present) |
| 1225 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
| 1226 | |
| 1227 | /* Chosen Encryption Algorithm 3.2.2.44 */ |
| 1228 | if (params->chosen_encr_alg_present) |
| 1229 | msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| 1230 | |
| 1231 | /* Speech Version (chosen) 3.2.2.51 */ |
| 1232 | if (params->speech_version_chosen_present) |
| 1233 | msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_chosen); |
| 1234 | |
| 1235 | /* AoIP: Speech Codec (chosen) 3.2.2.104 */ |
| 1236 | if (params->speech_codec_chosen_present) |
| 1237 | gsm0808_enc_speech_codec(msg, ¶ms->speech_codec_chosen); |
| 1238 | |
| 1239 | /* LCLS-BSS-Status 3.2.2.119 */ |
| 1240 | if (params->lcls_bss_status_present) |
| 1241 | msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, params->lcls_bss_status); |
| 1242 | |
| 1243 | /* prepend header with final length */ |
| 1244 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1245 | |
| 1246 | return msg; |
| 1247 | } |
| 1248 | |
Neels Hofmeyr | 9b35e56 | 2020-06-22 17:59:18 +0200 | [diff] [blame] | 1249 | /*! Create BSSMAP COMMON ID message, 3GPP TS 48.008 3.2.1.68. |
| 1250 | * \param[in] imsi IMSI digits (decimal string). |
| 1251 | * \param[in] selected_plmn_id Selected PLMN ID to encode, or NULL to not encode this IE. |
| 1252 | * \param[in] last_used_eutran_plnm_id Last used E-UTRAN PLMN ID to encode, or NULL to not encode this IE. |
| 1253 | * \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] | 1254 | struct msgb *gsm0808_create_common_id(const char *imsi, |
| 1255 | const struct osmo_plmn_id *selected_plmn_id, |
| 1256 | const struct osmo_plmn_id *last_used_eutran_plnm_id) |
| 1257 | { |
| 1258 | struct msgb *msg; |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1259 | uint8_t *out; |
Neels Hofmeyr | 9b35e56 | 2020-06-22 17:59:18 +0200 | [diff] [blame] | 1260 | struct osmo_mobile_identity mi; |
| 1261 | int rc; |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1262 | |
| 1263 | msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "COMMON-ID"); |
| 1264 | if (!msg) |
| 1265 | return NULL; |
| 1266 | |
| 1267 | /* Message Type, 3.2.2.1 */ |
| 1268 | msgb_v_put(msg, BSS_MAP_MSG_COMMON_ID); |
| 1269 | |
| 1270 | /* mandatory IMSI 3.2.2.6 */ |
Neels Hofmeyr | 9b35e56 | 2020-06-22 17:59:18 +0200 | [diff] [blame] | 1271 | mi = (struct osmo_mobile_identity){ .type = GSM_MI_TYPE_IMSI }; |
| 1272 | OSMO_STRLCPY_ARRAY(mi.imsi, imsi); |
| 1273 | out = msgb_tl_put(msg, GSM0808_IE_IMSI); |
| 1274 | rc = osmo_mobile_identity_encode_msgb(msg, &mi, false); |
| 1275 | if (rc < 0) { |
| 1276 | msgb_free(msg); |
| 1277 | return NULL; |
| 1278 | } |
| 1279 | /* write the MI value length */ |
| 1280 | *out = rc; |
Harald Welte | 1bd726a | 2020-06-21 22:04:52 +0200 | [diff] [blame] | 1281 | |
| 1282 | /* not implemented: SNA Access Information */ |
| 1283 | |
| 1284 | /* Selected PLMN ID */ |
| 1285 | if (selected_plmn_id) { |
| 1286 | msgb_v_put(msg, GSM0808_IE_SELECTED_PLMN_ID); |
| 1287 | out = msgb_put(msg, 3); |
| 1288 | osmo_plmn_to_bcd(out, selected_plmn_id); |
| 1289 | } |
| 1290 | |
| 1291 | /* Last used E-UTRAN PLMN ID */ |
| 1292 | if (last_used_eutran_plnm_id) { |
| 1293 | msgb_v_put(msg, GSM0808_IE_LAST_USED_EUTRAN_PLMN_ID); |
| 1294 | out = msgb_put(msg, 3); |
| 1295 | osmo_plmn_to_bcd(out, last_used_eutran_plnm_id); |
| 1296 | } |
| 1297 | |
| 1298 | /* prepend header with final length */ |
| 1299 | msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| 1300 | |
| 1301 | return msg; |
| 1302 | } |
| 1303 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 1304 | /*! Prepend a DTAP header to given Message Buffer |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 1305 | * \param[in] msgb Message Buffer |
| 1306 | * \param[in] link_id Link Identifier */ |
Holger Hans Peter Freyther | 9a3dec0 | 2010-05-16 08:15:40 +0800 | [diff] [blame] | 1307 | void gsm0808_prepend_dtap_header(struct msgb *msg, uint8_t link_id) |
| 1308 | { |
| 1309 | uint8_t *hh = msgb_push(msg, 3); |
| 1310 | hh[0] = BSSAP_MSG_DTAP; |
| 1311 | hh[1] = link_id; |
| 1312 | hh[2] = msg->len - 3; |
| 1313 | } |
| 1314 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 1315 | /*! Create BSSMAP DTAP message |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 1316 | * \param[in] msg_l3 Messge Buffer containing Layer3 message |
| 1317 | * \param[in] link_id Link Identifier |
| 1318 | * \returns callee-allocated msgb with BSSMAP DTAP message */ |
Holger Hans Peter Freyther | c25c668 | 2010-11-04 12:26:06 +0100 | [diff] [blame] | 1319 | struct msgb *gsm0808_create_dtap(struct msgb *msg_l3, uint8_t link_id) |
| 1320 | { |
| 1321 | struct dtap_header *header; |
| 1322 | uint8_t *data; |
| 1323 | struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| 1324 | "dtap"); |
| 1325 | if (!msg) |
| 1326 | return NULL; |
| 1327 | |
| 1328 | /* DTAP header */ |
| 1329 | msg->l3h = msgb_put(msg, sizeof(*header)); |
| 1330 | header = (struct dtap_header *) &msg->l3h[0]; |
| 1331 | header->type = BSSAP_MSG_DTAP; |
| 1332 | header->link_id = link_id; |
| 1333 | header->length = msgb_l3len(msg_l3); |
| 1334 | |
| 1335 | /* Payload */ |
| 1336 | data = msgb_put(msg, header->length); |
| 1337 | memcpy(data, msg_l3->l3h, header->length); |
| 1338 | |
| 1339 | return msg; |
| 1340 | } |
| 1341 | |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1342 | /* 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] | 1343 | static const struct tlv_definition bss_att_tlvdef = { |
| 1344 | .def = { |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1345 | [GSM0808_IE_CIRCUIT_IDENTITY_CODE] = { TLV_TYPE_FIXED, 2 }, |
| 1346 | [GSM0808_IE_CONNECTION_RELEASE_RQSTED] = { TLV_TYPE_TV }, |
| 1347 | [GSM0808_IE_RESOURCE_AVAILABLE] = { TLV_TYPE_FIXED, 21 }, |
| 1348 | [GSM0808_IE_CAUSE] = { TLV_TYPE_TLV }, |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 1349 | [GSM0808_IE_IMSI] = { TLV_TYPE_TLV }, |
| 1350 | [GSM0808_IE_TMSI] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1351 | [GSM0808_IE_NUMBER_OF_MSS] = { TLV_TYPE_TV }, |
Dmitri Soloviev | 2909942 | 2013-07-11 09:25:37 +0200 | [diff] [blame] | 1352 | [GSM0808_IE_LAYER_3_HEADER_INFORMATION] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1353 | [GSM0808_IE_ENCRYPTION_INFORMATION] = { TLV_TYPE_TLV }, |
| 1354 | [GSM0808_IE_CHANNEL_TYPE] = { TLV_TYPE_TLV }, |
| 1355 | [GSM0808_IE_PERIODICITY] = { TLV_TYPE_TV }, |
| 1356 | [GSM0808_IE_EXTENDED_RESOURCE_INDICATOR]= { TLV_TYPE_TV }, |
| 1357 | [GSM0808_IE_TOTAL_RESOURCE_ACCESSIBLE] = { TLV_TYPE_FIXED, 4 }, |
| 1358 | [GSM0808_IE_LSA_IDENTIFIER] = { TLV_TYPE_TLV }, |
| 1359 | [GSM0808_IE_LSA_IDENTIFIER_LIST] = { TLV_TYPE_TLV }, |
Holger Hans Peter Freyther | 715e945 | 2014-08-21 14:17:45 +0200 | [diff] [blame] | 1360 | [GSM0808_IE_LSA_INFORMATION] = { TLV_TYPE_TLV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1361 | [GSM0808_IE_CELL_IDENTIFIER] = { TLV_TYPE_TLV }, |
| 1362 | [GSM0808_IE_PRIORITY] = { TLV_TYPE_TLV }, |
| 1363 | [GSM0808_IE_CLASSMARK_INFORMATION_T2] = { TLV_TYPE_TLV }, |
| 1364 | [GSM0808_IE_CLASSMARK_INFORMATION_T3] = { TLV_TYPE_TLV }, |
| 1365 | [GSM0808_IE_INTERFERENCE_BAND_TO_USE] = { TLV_TYPE_TV }, |
| 1366 | [GSM0808_IE_RR_CAUSE] = { TLV_TYPE_TV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1367 | [GSM0808_IE_LAYER_3_INFORMATION] = { TLV_TYPE_TLV }, |
| 1368 | [GSM0808_IE_DLCI] = { TLV_TYPE_TV }, |
| 1369 | [GSM0808_IE_DOWNLINK_DTX_FLAG] = { TLV_TYPE_TV }, |
| 1370 | [GSM0808_IE_CELL_IDENTIFIER_LIST] = { TLV_TYPE_TLV }, |
| 1371 | [GSM0808_IE_CELL_ID_LIST_SEGMENT] = { TLV_TYPE_TLV }, |
| 1372 | [GSM0808_IE_CELL_ID_LIST_SEG_EST_CELLS] = { TLV_TYPE_TLV }, |
| 1373 | [GSM0808_IE_CELL_ID_LIST_SEG_CELLS_TBE] = { TLV_TYPE_TLV }, |
| 1374 | [GSM0808_IE_CELL_ID_LIST_SEG_REL_CELLS] = { TLV_TYPE_TLV }, |
| 1375 | [GSM0808_IE_CELL_ID_LIST_SEG_NE_CELLS] = { TLV_TYPE_TLV }, |
| 1376 | [GSM0808_IE_RESPONSE_RQST] = { TLV_TYPE_T }, |
| 1377 | [GSM0808_IE_RESOURCE_INDICATION_METHOD] = { TLV_TYPE_TV }, |
| 1378 | [GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1] = { TLV_TYPE_TV }, |
| 1379 | [GSM0808_IE_CIRCUIT_IDENTITY_CODE_LIST] = { TLV_TYPE_TLV }, |
| 1380 | [GSM0808_IE_DIAGNOSTIC] = { TLV_TYPE_TLV }, |
| 1381 | [GSM0808_IE_CHOSEN_CHANNEL] = { TLV_TYPE_TV }, |
| 1382 | [GSM0808_IE_CIPHER_RESPONSE_MODE] = { TLV_TYPE_TV }, |
| 1383 | [GSM0808_IE_LAYER_3_MESSAGE_CONTENTS] = { TLV_TYPE_TLV }, |
| 1384 | [GSM0808_IE_CHANNEL_NEEDED] = { TLV_TYPE_TV }, |
| 1385 | [GSM0808_IE_TRACE_TYPE] = { TLV_TYPE_TV }, |
| 1386 | [GSM0808_IE_TRIGGERID] = { TLV_TYPE_TLV }, |
| 1387 | [GSM0808_IE_TRACE_REFERENCE] = { TLV_TYPE_TV }, |
| 1388 | [GSM0808_IE_TRANSACTIONID] = { TLV_TYPE_TLV }, |
| 1389 | [GSM0808_IE_MOBILE_IDENTITY] = { TLV_TYPE_TLV }, |
| 1390 | [GSM0808_IE_OMCID] = { TLV_TYPE_TLV }, |
| 1391 | [GSM0808_IE_FORWARD_INDICATOR] = { TLV_TYPE_TV }, |
Holger Hans Peter Freyther | c2b7f92 | 2010-08-04 18:50:43 +0800 | [diff] [blame] | 1392 | [GSM0808_IE_CHOSEN_ENCR_ALG] = { TLV_TYPE_TV }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1393 | [GSM0808_IE_CIRCUIT_POOL] = { TLV_TYPE_TV }, |
| 1394 | [GSM0808_IE_CIRCUIT_POOL_LIST] = { TLV_TYPE_TLV }, |
| 1395 | [GSM0808_IE_TIME_INDICATION] = { TLV_TYPE_TV }, |
| 1396 | [GSM0808_IE_RESOURCE_SITUATION] = { TLV_TYPE_TLV }, |
| 1397 | [GSM0808_IE_CURRENT_CHANNEL_TYPE_1] = { TLV_TYPE_TV }, |
| 1398 | [GSM0808_IE_QUEUEING_INDICATOR] = { TLV_TYPE_TV }, |
| 1399 | [GSM0808_IE_SPEECH_VERSION] = { TLV_TYPE_TV }, |
| 1400 | [GSM0808_IE_ASSIGNMENT_REQUIREMENT] = { TLV_TYPE_TV }, |
| 1401 | [GSM0808_IE_TALKER_FLAG] = { TLV_TYPE_T }, |
| 1402 | [GSM0808_IE_GROUP_CALL_REFERENCE] = { TLV_TYPE_TLV }, |
| 1403 | [GSM0808_IE_EMLPP_PRIORITY] = { TLV_TYPE_TV }, |
| 1404 | [GSM0808_IE_CONFIG_EVO_INDI] = { TLV_TYPE_TV }, |
| 1405 | [GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION] = { TLV_TYPE_TLV }, |
| 1406 | [GSM0808_IE_LCS_QOS] = { TLV_TYPE_TLV }, |
| 1407 | [GSM0808_IE_LSA_ACCESS_CTRL_SUPPR] = { TLV_TYPE_TV }, |
| 1408 | [GSM0808_IE_LCS_PRIORITY] = { TLV_TYPE_TLV }, |
| 1409 | [GSM0808_IE_LOCATION_TYPE] = { TLV_TYPE_TLV }, |
| 1410 | [GSM0808_IE_LOCATION_ESTIMATE] = { TLV_TYPE_TLV }, |
| 1411 | [GSM0808_IE_POSITIONING_DATA] = { TLV_TYPE_TLV }, |
| 1412 | [GSM0808_IE_LCS_CAUSE] = { TLV_TYPE_TLV }, |
| 1413 | [GSM0808_IE_APDU] = { TLV_TYPE_TLV }, |
| 1414 | [GSM0808_IE_NETWORK_ELEMENT_IDENTITY] = { TLV_TYPE_TLV }, |
| 1415 | [GSM0808_IE_GPS_ASSISTANCE_DATA] = { TLV_TYPE_TLV }, |
| 1416 | [GSM0808_IE_DECIPHERING_KEYS] = { TLV_TYPE_TLV }, |
| 1417 | [GSM0808_IE_RETURN_ERROR_RQST] = { TLV_TYPE_TLV }, |
| 1418 | [GSM0808_IE_RETURN_ERROR_CAUSE] = { TLV_TYPE_TLV }, |
| 1419 | [GSM0808_IE_SEGMENTATION] = { TLV_TYPE_TLV }, |
| 1420 | [GSM0808_IE_SERVICE_HANDOVER] = { TLV_TYPE_TLV }, |
| 1421 | [GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_UMTS] = { TLV_TYPE_TLV }, |
| 1422 | [GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_CDMA2000] = { TLV_TYPE_TLV }, |
| 1423 | [GSM0808_IE_GERAN_CLASSMARK] = { TLV_TYPE_TLV }, |
| 1424 | [GSM0808_IE_GERAN_BSC_CONTAINER] = { TLV_TYPE_TLV }, |
| 1425 | [GSM0808_IE_NEW_BSS_TO_OLD_BSS_INFO] = { TLV_TYPE_TLV }, |
| 1426 | [GSM0800_IE_INTER_SYSTEM_INFO] = { TLV_TYPE_TLV }, |
| 1427 | [GSM0808_IE_SNA_ACCESS_INFO] = { TLV_TYPE_TLV }, |
| 1428 | [GSM0808_IE_VSTK_RAND_INFO] = { TLV_TYPE_TLV }, |
| 1429 | [GSM0808_IE_PAGING_INFO] = { TLV_TYPE_TV }, |
| 1430 | [GSM0808_IE_IMEI] = { TLV_TYPE_TLV }, |
| 1431 | [GSM0808_IE_VELOCITY_ESTIMATE] = { TLV_TYPE_TLV }, |
| 1432 | [GSM0808_IE_VGCS_FEATURE_FLAGS] = { TLV_TYPE_TLV }, |
| 1433 | [GSM0808_IE_TALKER_PRIORITY] = { TLV_TYPE_TV }, |
| 1434 | [GSM0808_IE_EMERGENCY_SET_INDICATION] = { TLV_TYPE_T }, |
| 1435 | [GSM0808_IE_TALKER_IDENTITY] = { TLV_TYPE_TLV }, |
| 1436 | [GSM0808_IE_SMS_TO_VGCS] = { TLV_TYPE_TLV }, |
| 1437 | [GSM0808_IE_VGCS_TALKER_MODE] = { TLV_TYPE_TLV }, |
| 1438 | [GSM0808_IE_VGCS_VBS_CELL_STATUS] = { TLV_TYPE_TLV }, |
| 1439 | [GSM0808_IE_GANSS_ASSISTANCE_DATA] = { TLV_TYPE_TLV }, |
| 1440 | [GSM0808_IE_GANSS_POSITIONING_DATA] = { TLV_TYPE_TLV }, |
| 1441 | [GSM0808_IE_GANSS_LOCATION_TYPE] = { TLV_TYPE_TLV }, |
| 1442 | [GSM0808_IE_APP_DATA] = { TLV_TYPE_TLV }, |
| 1443 | [GSM0808_IE_DATA_IDENTITY] = { TLV_TYPE_TLV }, |
| 1444 | [GSM0808_IE_APP_DATA_INFO] = { TLV_TYPE_TLV }, |
| 1445 | [GSM0808_IE_MSISDN] = { TLV_TYPE_TLV }, |
| 1446 | [GSM0808_IE_AOIP_TRASP_ADDR] = { TLV_TYPE_TLV }, |
| 1447 | [GSM0808_IE_SPEECH_CODEC_LIST] = { TLV_TYPE_TLV }, |
| 1448 | [GSM0808_IE_SPEECH_CODEC] = { TLV_TYPE_TLV }, |
| 1449 | [GSM0808_IE_CALL_ID] = { TLV_TYPE_FIXED, 4 }, |
| 1450 | [GSM0808_IE_CALL_ID_LIST] = { TLV_TYPE_TLV }, |
| 1451 | [GSM0808_IE_A_IF_SEL_FOR_RESET] = { TLV_TYPE_TV }, |
| 1452 | [GSM0808_IE_KC_128] = { TLV_TYPE_FIXED, 16 }, |
| 1453 | [GSM0808_IE_CSG_IDENTIFIER] = { TLV_TYPE_TLV }, |
| 1454 | [GSM0808_IE_REDIR_ATTEMPT_FLAG] = { TLV_TYPE_T }, |
| 1455 | [GSM0808_IE_REROUTE_REJ_CAUSE] = { TLV_TYPE_TV }, |
| 1456 | [GSM0808_IE_SEND_SEQ_NUM] = { TLV_TYPE_TV }, |
| 1457 | [GSM0808_IE_REROUTE_COMPL_OUTCOME] = { TLV_TYPE_TV }, |
| 1458 | [GSM0808_IE_GLOBAL_CALL_REF] = { TLV_TYPE_TLV }, |
| 1459 | [GSM0808_IE_LCLS_CONFIG] = { TLV_TYPE_TV }, |
| 1460 | [GSM0808_IE_LCLS_CONN_STATUS_CTRL] = { TLV_TYPE_TV }, |
| 1461 | [GSM0808_IE_LCLS_CORR_NOT_NEEDED] = { TLV_TYPE_TV }, |
| 1462 | [GSM0808_IE_LCLS_BSS_STATUS] = { TLV_TYPE_TV }, |
| 1463 | [GSM0808_IE_LCLS_BREAK_REQ] = { TLV_TYPE_TV }, |
| 1464 | [GSM0808_IE_CSFB_INDICATION] = { TLV_TYPE_T }, |
| 1465 | [GSM0808_IE_CS_TO_PS_SRVCC] = { TLV_TYPE_T }, |
| 1466 | [GSM0808_IE_SRC_ENB_TO_TGT_ENB_TRANSP] = { TLV_TYPE_TLV }, |
| 1467 | [GSM0808_IE_CS_TO_PS_SRVCC_IND] = { TLV_TYPE_T }, |
| 1468 | [GSM0808_IE_CN_TO_MS_TRANSP_INFO] = { TLV_TYPE_TLV }, |
| 1469 | [GSM0808_IE_SELECTED_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
| 1470 | [GSM0808_IE_LAST_USED_EUTRAN_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
Pau Espin Pedrol | 18506c8 | 2019-04-16 15:47:59 +0200 | [diff] [blame] | 1471 | |
| 1472 | /* Osmocom extensions */ |
| 1473 | [GSM0808_IE_OSMO_OSMUX_SUPPORT] = { TLV_TYPE_T }, |
| 1474 | [GSM0808_IE_OSMO_OSMUX_CID] = { TLV_TYPE_TV }, |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 1475 | }, |
| 1476 | }; |
| 1477 | |
Harald Welte | f4d45ab | 2011-07-16 12:13:00 +0200 | [diff] [blame] | 1478 | const struct tlv_definition *gsm0808_att_tlvdef(void) |
Holger Hans Peter Freyther | 7daa01c | 2010-04-17 05:14:36 +0200 | [diff] [blame] | 1479 | { |
| 1480 | return &bss_att_tlvdef; |
| 1481 | } |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1482 | |
Pau Espin Pedrol | 392f607 | 2019-11-27 12:07:04 +0100 | [diff] [blame] | 1483 | const struct value_string gsm0406_dlci_sapi_names[] = { |
| 1484 | { DLCI_SAPI_RR_MM_CC, "RR/MM/CC" }, |
| 1485 | { DLCI_SAPI_SMS, "SMS" }, |
| 1486 | { 0, NULL } |
| 1487 | }; |
| 1488 | |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1489 | static const struct value_string gsm0808_msgt_names[] = { |
| 1490 | { BSS_MAP_MSG_ASSIGMENT_RQST, "ASSIGNMENT REQ" }, |
| 1491 | { BSS_MAP_MSG_ASSIGMENT_COMPLETE, "ASSIGNMENT COMPL" }, |
| 1492 | { BSS_MAP_MSG_ASSIGMENT_FAILURE, "ASSIGNMENT FAIL" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1493 | { BSS_MAP_MSG_CHAN_MOD_RQST, "CHANNEL MODIFY REQUEST" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1494 | |
| 1495 | { BSS_MAP_MSG_HANDOVER_RQST, "HANDOVER REQ" }, |
| 1496 | { BSS_MAP_MSG_HANDOVER_REQUIRED, "HANDOVER REQUIRED" }, |
| 1497 | { BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE,"HANDOVER REQ ACK" }, |
| 1498 | { BSS_MAP_MSG_HANDOVER_CMD, "HANDOVER CMD" }, |
| 1499 | { BSS_MAP_MSG_HANDOVER_COMPLETE, "HANDOVER COMPLETE" }, |
| 1500 | { BSS_MAP_MSG_HANDOVER_SUCCEEDED, "HANDOVER SUCCESS" }, |
| 1501 | { BSS_MAP_MSG_HANDOVER_FAILURE, "HANDOVER FAILURE" }, |
| 1502 | { BSS_MAP_MSG_HANDOVER_PERFORMED, "HANDOVER PERFORMED" }, |
| 1503 | { BSS_MAP_MSG_HANDOVER_CANDIDATE_ENQUIRE, "HANDOVER CAND ENQ" }, |
| 1504 | { BSS_MAP_MSG_HANDOVER_CANDIDATE_RESPONSE, "HANDOVER CAND RESP" }, |
| 1505 | { BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT, "HANDOVER REQ REJ" }, |
| 1506 | { BSS_MAP_MSG_HANDOVER_DETECT, "HANDOVER DETECT" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1507 | { BSS_MAP_MSG_INT_HANDOVER_REQUIRED, "INT HANDOVER REQ" }, |
| 1508 | { BSS_MAP_MSG_INT_HANDOVER_REQUIRED_REJ,"INT HANDOVER REQ REJ" }, |
| 1509 | { BSS_MAP_MSG_INT_HANDOVER_CMD, "INT HANDOVER CMD" }, |
| 1510 | { BSS_MAP_MSG_INT_HANDOVER_ENQUIRY, "INT HANDOVER ENQ" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1511 | |
| 1512 | { BSS_MAP_MSG_CLEAR_CMD, "CLEAR COMMAND" }, |
| 1513 | { BSS_MAP_MSG_CLEAR_COMPLETE, "CLEAR COMPLETE" }, |
| 1514 | { BSS_MAP_MSG_CLEAR_RQST, "CLEAR REQUEST" }, |
| 1515 | { BSS_MAP_MSG_SAPI_N_REJECT, "SAPI N REJECT" }, |
| 1516 | { BSS_MAP_MSG_CONFUSION, "CONFUSION" }, |
| 1517 | |
| 1518 | { BSS_MAP_MSG_SUSPEND, "SUSPEND" }, |
| 1519 | { BSS_MAP_MSG_RESUME, "RESUME" }, |
| 1520 | { BSS_MAP_MSG_CONNECTION_ORIENTED_INFORMATION, "CONN ORIENT INFO" }, |
| 1521 | { BSS_MAP_MSG_PERFORM_LOCATION_RQST, "PERFORM LOC REQ" }, |
| 1522 | { BSS_MAP_MSG_LSA_INFORMATION, "LSA INFORMATION" }, |
| 1523 | { BSS_MAP_MSG_PERFORM_LOCATION_RESPONSE, "PERFORM LOC RESP" }, |
| 1524 | { BSS_MAP_MSG_PERFORM_LOCATION_ABORT, "PERFORM LOC ABORT" }, |
| 1525 | { BSS_MAP_MSG_COMMON_ID, "COMMON ID" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1526 | { BSS_MAP_MSG_REROUTE_CMD, "REROUTE COMMAND" }, |
| 1527 | { BSS_MAP_MSG_REROUTE_COMPLETE, "REROUTE COMPLETE" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1528 | |
| 1529 | { BSS_MAP_MSG_RESET, "RESET" }, |
| 1530 | { BSS_MAP_MSG_RESET_ACKNOWLEDGE, "RESET ACK" }, |
| 1531 | { BSS_MAP_MSG_OVERLOAD, "OVERLOAD" }, |
| 1532 | { BSS_MAP_MSG_RESET_CIRCUIT, "RESET CIRCUIT" }, |
| 1533 | { BSS_MAP_MSG_RESET_CIRCUIT_ACKNOWLEDGE, "RESET CIRCUIT ACK" }, |
| 1534 | { BSS_MAP_MSG_MSC_INVOKE_TRACE, "MSC INVOKE TRACE" }, |
| 1535 | { BSS_MAP_MSG_BSS_INVOKE_TRACE, "BSS INVOKE TRACE" }, |
| 1536 | { BSS_MAP_MSG_CONNECTIONLESS_INFORMATION, "CONNLESS INFO" }, |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1537 | { BSS_MAP_MSG_RESET_IP_RSRC, "RESET IP RESOURCE" }, |
| 1538 | { BSS_MAP_MSG_RESET_IP_RSRC_ACK, "RESET IP RESOURCE ACK" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1539 | |
| 1540 | { BSS_MAP_MSG_BLOCK, "BLOCK" }, |
| 1541 | { BSS_MAP_MSG_BLOCKING_ACKNOWLEDGE, "BLOCK ACK" }, |
| 1542 | { BSS_MAP_MSG_UNBLOCK, "UNBLOCK" }, |
| 1543 | { BSS_MAP_MSG_UNBLOCKING_ACKNOWLEDGE, "UNBLOCK ACK" }, |
| 1544 | { BSS_MAP_MSG_CIRCUIT_GROUP_BLOCK, "CIRC GROUP BLOCK" }, |
| 1545 | { BSS_MAP_MSG_CIRCUIT_GROUP_BLOCKING_ACKNOWLEDGE, "CIRC GORUP BLOCK ACK" }, |
| 1546 | { BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCK, "CIRC GROUP UNBLOCK" }, |
| 1547 | { BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCKING_ACKNOWLEDGE, "CIRC GROUP UNBLOCK ACK" }, |
| 1548 | { BSS_MAP_MSG_UNEQUIPPED_CIRCUIT, "UNEQUIPPED CIRCUIT" }, |
| 1549 | { BSS_MAP_MSG_CHANGE_CIRCUIT, "CHANGE CIRCUIT" }, |
| 1550 | { BSS_MAP_MSG_CHANGE_CIRCUIT_ACKNOWLEDGE, "CHANGE CIRCUIT ACK" }, |
| 1551 | |
| 1552 | { BSS_MAP_MSG_RESOURCE_RQST, "RESOURCE REQ" }, |
| 1553 | { BSS_MAP_MSG_RESOURCE_INDICATION, "RESOURCE IND" }, |
| 1554 | { BSS_MAP_MSG_PAGING, "PAGING" }, |
| 1555 | { BSS_MAP_MSG_CIPHER_MODE_CMD, "CIPHER MODE CMD" }, |
| 1556 | { BSS_MAP_MSG_CLASSMARK_UPDATE, "CLASSMARK UPDATE" }, |
| 1557 | { BSS_MAP_MSG_CIPHER_MODE_COMPLETE, "CIPHER MODE COMPLETE" }, |
| 1558 | { BSS_MAP_MSG_QUEUING_INDICATION, "QUEUING INDICATION" }, |
| 1559 | { BSS_MAP_MSG_COMPLETE_LAYER_3, "COMPLETE LAYER 3" }, |
| 1560 | { BSS_MAP_MSG_CLASSMARK_RQST, "CLASSMARK REQ" }, |
| 1561 | { BSS_MAP_MSG_CIPHER_MODE_REJECT, "CIPHER MODE REJECT" }, |
| 1562 | { BSS_MAP_MSG_LOAD_INDICATION, "LOAD IND" }, |
| 1563 | |
Harald Welte | 92107df | 2014-06-21 23:16:20 +0200 | [diff] [blame] | 1564 | { BSS_MAP_MSG_VGCS_VBS_SETUP, "VGCS/VBS SETUP" }, |
| 1565 | { BSS_MAP_MSG_VGCS_VBS_SETUP_ACK, "VGCS/VBS SETUP ACK" }, |
| 1566 | { BSS_MAP_MSG_VGCS_VBS_SETUP_REFUSE, "VGCS/VBS SETUP REFUSE" }, |
| 1567 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RQST, "VGCS/VBS ASSIGN REQ" }, |
| 1568 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RESULT, "VGCS/VBS ASSIGN RES" }, |
| 1569 | { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_FAILURE, "VGCS/VBS ASSIGN FAIL" }, |
| 1570 | { BSS_MAP_MSG_VGCS_VBS_QUEUING_INDICATION, "VGCS/VBS QUEUING IND" }, |
| 1571 | { BSS_MAP_MSG_UPLINK_RQST, "UPLINK REQ" }, |
| 1572 | { BSS_MAP_MSG_UPLINK_RQST_ACKNOWLEDGE, "UPLINK REQ ACK" }, |
| 1573 | { BSS_MAP_MSG_UPLINK_RQST_CONFIRMATION, "UPLINK REQ CONF" }, |
| 1574 | { BSS_MAP_MSG_UPLINK_RELEASE_INDICATION,"UPLINK REL IND" }, |
| 1575 | { BSS_MAP_MSG_UPLINK_REJECT_CMD, "UPLINK REJ CMD" }, |
| 1576 | { BSS_MAP_MSG_UPLINK_RELEASE_CMD, "UPLINK REL CMD" }, |
| 1577 | { BSS_MAP_MSG_UPLINK_SEIZED_CMD, "UPLINK SEIZED CMD" }, |
| 1578 | { BSS_MAP_MSG_VGCS_ADDL_INFO, "VGCS ADDL INFO" }, |
| 1579 | { BSS_MAP_MSG_NOTIFICATION_DATA, "NOTIF DATA" }, |
| 1580 | { BSS_MAP_MSG_UPLINK_APP_DATA, "UPLINK APP DATA" }, |
| 1581 | |
| 1582 | { BSS_MAP_MSG_LCLS_CONNECT_CTRL, "LCLS-CONNECT-CONTROL" }, |
| 1583 | { BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK, "CLS-CONNECT-CONTROL-ACK" }, |
| 1584 | { BSS_MAP_MSG_LCLS_NOTIFICATION, "LCLS-NOTIFICATION" }, |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1585 | |
| 1586 | { 0, NULL } |
| 1587 | }; |
| 1588 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 1589 | /*! Return string name of BSSMAP Message Type */ |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1590 | const char *gsm0808_bssmap_name(uint8_t msg_type) |
| 1591 | { |
| 1592 | return get_value_string(gsm0808_msgt_names, msg_type); |
| 1593 | } |
| 1594 | |
| 1595 | static const struct value_string gsm0808_bssap_names[] = { |
| 1596 | { BSSAP_MSG_BSS_MANAGEMENT, "MANAGEMENT" }, |
| 1597 | { BSSAP_MSG_DTAP, "DTAP" }, |
Neels Hofmeyr | 90fdb08 | 2017-03-01 14:59:44 +0100 | [diff] [blame] | 1598 | { 0, NULL } |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1599 | }; |
| 1600 | |
Neels Hofmeyr | 87e4550 | 2017-06-20 00:17:59 +0200 | [diff] [blame] | 1601 | /*! Return string name of BSSAP Message Type */ |
Harald Welte | 9b837e6 | 2011-07-11 17:43:19 +0200 | [diff] [blame] | 1602 | const char *gsm0808_bssap_name(uint8_t msg_type) |
| 1603 | { |
| 1604 | return get_value_string(gsm0808_bssap_names, msg_type); |
| 1605 | } |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 1606 | |
Neels Hofmeyr | ffad574 | 2018-01-12 05:34:03 +0100 | [diff] [blame] | 1607 | const struct value_string gsm0808_speech_codec_type_names[] = { |
| 1608 | { GSM0808_SCT_FR1, "FR1" }, |
| 1609 | { GSM0808_SCT_FR2, "FR2" }, |
| 1610 | { GSM0808_SCT_FR3, "FR3" }, |
| 1611 | { GSM0808_SCT_FR4, "FR4" }, |
| 1612 | { GSM0808_SCT_FR5, "FR5" }, |
| 1613 | { GSM0808_SCT_HR1, "HR1" }, |
| 1614 | { GSM0808_SCT_HR3, "HR3" }, |
| 1615 | { GSM0808_SCT_HR4, "HR4" }, |
| 1616 | { GSM0808_SCT_HR6, "HR6" }, |
| 1617 | { GSM0808_SCT_CSD, "CSD" }, |
| 1618 | { 0, NULL } |
| 1619 | }; |
| 1620 | |
Philipp Maier | cdd0581 | 2018-07-12 18:21:07 +0200 | [diff] [blame] | 1621 | const struct value_string gsm0808_permitted_speech_names[] = { |
| 1622 | { GSM0808_PERM_FR1, "FR1" }, |
| 1623 | { GSM0808_PERM_FR2, "FR2" }, |
| 1624 | { GSM0808_PERM_FR3, "FR3" }, |
| 1625 | { GSM0808_PERM_FR4, "FR4" }, |
| 1626 | { GSM0808_PERM_FR5, "FR5" }, |
| 1627 | { GSM0808_PERM_HR1, "HR1" }, |
| 1628 | { GSM0808_PERM_HR2, "HR2" }, |
| 1629 | { GSM0808_PERM_HR3, "HR3" }, |
| 1630 | { GSM0808_PERM_HR4, "HR4" }, |
| 1631 | { GSM0808_PERM_HR6, "HR6" }, |
| 1632 | { 0, NULL } |
| 1633 | }; |
| 1634 | |
Pau Espin Pedrol | f2cda62 | 2018-07-06 17:16:41 +0200 | [diff] [blame] | 1635 | const struct value_string gsm0808_chosen_enc_alg_names[] = { |
| 1636 | { GSM0808_ALG_ID_A5_0, "A5/0" }, |
| 1637 | { GSM0808_ALG_ID_A5_1, "A5/1" }, |
| 1638 | { GSM0808_ALG_ID_A5_2, "A5/2" }, |
| 1639 | { GSM0808_ALG_ID_A5_3, "A5/3" }, |
| 1640 | { GSM0808_ALG_ID_A5_4, "A5/4" }, |
| 1641 | { GSM0808_ALG_ID_A5_5, "A5/5" }, |
| 1642 | { GSM0808_ALG_ID_A5_6, "A5/6" }, |
| 1643 | { GSM0808_ALG_ID_A5_7, "A5/7" }, |
| 1644 | { 0, NULL } |
| 1645 | }; |
| 1646 | |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 1647 | static const struct value_string gsm0808_cause_names[] = { |
| 1648 | { GSM0808_CAUSE_RADIO_INTERFACE_MESSAGE_FAILURE, "RADIO INTERFACE MESSAGE FAILURE" }, |
| 1649 | { GSM0808_CAUSE_RADIO_INTERFACE_FAILURE, "RADIO INTERFACE FAILURE" }, |
| 1650 | { GSM0808_CAUSE_UPLINK_QUALITY, "UPLINK QUALITY" }, |
| 1651 | { GSM0808_CAUSE_UPLINK_STRENGTH, "UPLINK STRENGTH" }, |
| 1652 | { GSM0808_CAUSE_DOWNLINK_QUALITY, "DOWNLINK QUALITY" }, |
| 1653 | { GSM0808_CAUSE_DOWNLINK_STRENGTH, "DOWNLINK STRENGTH" }, |
| 1654 | { GSM0808_CAUSE_DISTANCE, "DISTANCE" }, |
| 1655 | { GSM0808_CAUSE_O_AND_M_INTERVENTION, "O AND M INTERVENTION" }, |
| 1656 | { GSM0808_CAUSE_RESPONSE_TO_MSC_INVOCATION, "RESPONSE TO MSC INVOCATION" }, |
| 1657 | { GSM0808_CAUSE_CALL_CONTROL, "CALL CONTROL" }, |
| 1658 | { GSM0808_CAUSE_RADIO_INTERFACE_FAILURE_REVERSION, "RADIO INTERFACE FAILURE REVERSION" }, |
| 1659 | { GSM0808_CAUSE_HANDOVER_SUCCESSFUL, "HANDOVER SUCCESSFUL" }, |
| 1660 | { GSM0808_CAUSE_BETTER_CELL, "BETTER CELL" }, |
| 1661 | { GSM0808_CAUSE_DIRECTED_RETRY, "DIRECTED RETRY" }, |
| 1662 | { GSM0808_CAUSE_JOINED_GROUP_CALL_CHANNEL, "JOINED GROUP CALL CHANNEL" }, |
| 1663 | { GSM0808_CAUSE_TRAFFIC, "TRAFFIC" }, |
| 1664 | { GSM0808_CAUSE_REDUCE_LOAD_IN_SERVING_CELL, "REDUCE LOAD IN SERVING CELL" }, |
| 1665 | { GSM0808_CAUSE_TRAFFIC_LOAD_IN_TGT_HIGHER_THAN_IN_SRC_CELL, "TRAFFIC LOAD IN TGT HIGHER THAN IN SRC CELL" }, |
| 1666 | { GSM0808_CAUSE_RELOCATION_TRIGGERED, "RELOCATION TRIGGERED" }, |
Thorsten Alteholz | 0062a5f | 2018-05-15 15:28:55 +0200 | [diff] [blame] | 1667 | { GSM0808_CAUSE_REQUESTED_OPT_NOT_AUTHORISED, "REQUESTED OPT NOT AUTHORISED" }, |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 1668 | { GSM0808_CAUSE_ALT_CHAN_CONFIG_REQUESTED, "ALT CHAN CONFIG REQUESTED" }, |
| 1669 | { GSM0808_CAUSE_RESP_TO_INT_HO_ENQ_MSG, "RESP TO INT HO ENQ MSG" }, |
| 1670 | { GSM0808_CAUSE_INT_HO_ENQUIRY_REJECT, "INT HO ENQUIRY REJECT" }, |
| 1671 | { GSM0808_CAUSE_REDUNDANCY_LEVEL_NOT_ADEQUATE, "REDUNDANCY LEVEL NOT ADEQUATE" }, |
| 1672 | { GSM0808_CAUSE_EQUIPMENT_FAILURE, "EQUIPMENT FAILURE" }, |
| 1673 | { GSM0808_CAUSE_NO_RADIO_RESOURCE_AVAILABLE, "NO RADIO RESOURCE AVAILABLE" }, |
| 1674 | { GSM0808_CAUSE_RQSTED_TERRESTRIAL_RESOURCE_UNAVAILABLE, "RQSTED TERRESTRIAL RESOURCE UNAVAILABLE" }, |
| 1675 | { GSM0808_CAUSE_CCCH_OVERLOAD, "CCCH OVERLOAD" }, |
| 1676 | { GSM0808_CAUSE_PROCESSOR_OVERLOAD, "PROCESSOR OVERLOAD" }, |
| 1677 | { GSM0808_CAUSE_BSS_NOT_EQUIPPED, "BSS NOT EQUIPPED" }, |
| 1678 | { GSM0808_CAUSE_MS_NOT_EQUIPPED, "MS NOT EQUIPPED" }, |
| 1679 | { GSM0808_CAUSE_INVALID_CELL, "INVALID CELL" }, |
| 1680 | { GSM0808_CAUSE_TRAFFIC_LOAD, "TRAFFIC LOAD" }, |
| 1681 | { GSM0808_CAUSE_PREEMPTION, "PREEMPTION" }, |
| 1682 | { GSM0808_CAUSE_DTM_HO_SGSN_FAILURE, "DTM HO SGSN FAILURE" }, |
| 1683 | { GSM0808_CAUSE_DTM_HO_PS_ALLOC_FAILURE, "DTM HO PS ALLOC FAILURE" }, |
| 1684 | { GSM0808_CAUSE_RQSTED_TRANSCODING_RATE_ADAPTION_UNAVAILABLE, "RQSTED TRANSCODING RATE ADAPTION UNAVAILABLE" }, |
| 1685 | { GSM0808_CAUSE_CIRCUIT_POOL_MISMATCH, "CIRCUIT POOL MISMATCH" }, |
| 1686 | { GSM0808_CAUSE_SWITCH_CIRCUIT_POOL, "SWITCH CIRCUIT POOL" }, |
| 1687 | { GSM0808_CAUSE_RQSTED_SPEECH_VERSION_UNAVAILABLE, "RQSTED SPEECH VERSION UNAVAILABLE" }, |
| 1688 | { GSM0808_CAUSE_LSA_NOT_ALLOWED, "LSA NOT ALLOWED" }, |
| 1689 | { GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_UNAVAIL, "REQ CODEC TYPE OR CONFIG UNAVAIL" }, |
| 1690 | { GSM0808_CAUSE_REQ_A_IF_TYPE_UNAVAIL, "REQ A IF TYPE UNAVAIL" }, |
| 1691 | { GSM0808_CAUSE_INVALID_CSG_CELL, "INVALID CSG CELL" }, |
| 1692 | { GSM0808_CAUSE_REQ_REDUND_LEVEL_NOT_AVAIL, "REQ REDUND LEVEL NOT AVAIL" }, |
| 1693 | { GSM0808_CAUSE_CIPHERING_ALGORITHM_NOT_SUPPORTED, "CIPHERING ALGORITHM NOT SUPPORTED" }, |
| 1694 | { GSM0808_CAUSE_GERAN_IU_MODE_FAILURE, "GERAN IU MODE FAILURE" }, |
| 1695 | { GSM0808_CAUSE_INC_RELOC_NOT_SUPP_DT_PUESBINE_FEATURE, "INC RELOC NOT SUPP DT PUESBINE FEATURE" }, |
| 1696 | { GSM0808_CAUSE_ACCESS_RESTRICTED_DUE_TO_SHARED_NETWORKS, "ACCESS RESTRICTED DUE TO SHARED NETWORKS" }, |
| 1697 | { GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_NOT_SUPP, "REQ CODEC TYPE OR CONFIG NOT SUPP" }, |
| 1698 | { GSM0808_CAUSE_REQ_A_IF_TYPE_NOT_SUPP, "REQ A IF TYPE NOT SUPP" }, |
| 1699 | { GSM0808_CAUSE_REQ_REDUND_LVL_NOT_SUPP, "REQ REDUND LVL NOT SUPP" }, |
| 1700 | { GSM0808_CAUSE_TERRESTRIAL_CIRCUIT_ALREADY_ALLOCATED, "TERRESTRIAL CIRCUIT ALREADY ALLOCATED" }, |
| 1701 | { GSM0808_CAUSE_INVALID_MESSAGE_CONTENTS, "INVALID MESSAGE CONTENTS" }, |
| 1702 | { GSM0808_CAUSE_INFORMATION_ELEMENT_OR_FIELD_MISSING, "INFORMATION ELEMENT OR FIELD MISSING" }, |
| 1703 | { GSM0808_CAUSE_INCORRECT_VALUE, "INCORRECT VALUE" }, |
| 1704 | { GSM0808_CAUSE_UNKNOWN_MESSAGE_TYPE, "UNKNOWN MESSAGE TYPE" }, |
| 1705 | { GSM0808_CAUSE_UNKNOWN_INFORMATION_ELEMENT, "UNKNOWN INFORMATION ELEMENT" }, |
| 1706 | { GSM0808_CAUSE_DTM_HO_INVALID_PS_IND, "DTM HO INVALID PS IND" }, |
| 1707 | { GSM0808_CAUSE_CALL_ID_ALREADY_ALLOC, "CALL ID ALREADY ALLOC" }, |
| 1708 | { 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] | 1709 | { GSM0808_CAUSE_VGCS_VBS_CALL_NON_EXISTENT, "VGCS VBS CALL NON EXISTENT" }, |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 1710 | { GSM0808_CAUSE_DTM_HO_TIMER_EXPIRY, "DTM HO TIMER EXPIRY" }, |
| 1711 | { 0, NULL } |
| 1712 | }; |
| 1713 | |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 1714 | static const struct value_string gsm0808_cause_class_names[] = { |
| 1715 | { GSM0808_CAUSE_CLASS_NORM0, "Normal event" }, |
| 1716 | { GSM0808_CAUSE_CLASS_NORM1, "Normal event" }, |
| 1717 | { GSM0808_CAUSE_CLASS_RES_UNAVAIL, "Resource unavailable" }, |
| 1718 | { GSM0808_CAUSE_CLASS_SRV_OPT_NA, "Service or option not available" }, |
| 1719 | { GSM0808_CAUSE_CLASS_SRV_OPT_NIMPL, "Service or option not implemented" }, |
| 1720 | { GSM0808_CAUSE_CLASS_INVAL, "Invalid message" }, |
| 1721 | { GSM0808_CAUSE_CLASS_PERR, "Protocol error" }, |
| 1722 | { GSM0808_CAUSE_CLASS_INTW, "Interworking" }, |
| 1723 | { 0, NULL } |
| 1724 | }; |
| 1725 | |
| 1726 | /*! Return string name of BSSMAP Cause Class name */ |
| 1727 | const char *gsm0808_cause_class_name(enum gsm0808_cause_class class) |
| 1728 | { |
| 1729 | return get_value_string(gsm0808_cause_class_names, class); |
| 1730 | } |
| 1731 | |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 1732 | /*! Return string name of BSSMAP Cause name */ |
Max | aa93463 | 2018-11-07 13:16:54 +0100 | [diff] [blame] | 1733 | const char *gsm0808_cause_name(enum gsm0808_cause cause) |
Philipp Maier | dbb7659 | 2018-03-29 12:55:26 +0200 | [diff] [blame] | 1734 | { |
| 1735 | return get_value_string(gsm0808_cause_names, cause); |
| 1736 | } |
| 1737 | |
Alexander Chemeris | fdfe25b | 2020-05-12 23:21:56 +0300 | [diff] [blame] | 1738 | enum gsm0808_cause gsm0808_get_cause(const struct tlv_parsed *tp) |
| 1739 | { |
| 1740 | const uint8_t *buf = TLVP_VAL_MINLEN(tp, GSM0808_IE_CAUSE, 1); |
| 1741 | |
| 1742 | if (!buf) |
| 1743 | return -EBADMSG; |
| 1744 | |
| 1745 | if (TLVP_LEN(tp, GSM0808_IE_CAUSE) > 1) { |
| 1746 | if (!gsm0808_cause_ext(buf[0])) |
| 1747 | return -EINVAL; |
| 1748 | return buf[1]; |
| 1749 | } |
| 1750 | |
| 1751 | return buf[0]; |
| 1752 | } |
| 1753 | |
Alexander Chemeris | 22630e6 | 2020-05-13 00:44:04 +0300 | [diff] [blame] | 1754 | const char *gsm0808_diagnostics_octet_location_str(uint8_t pointer) |
| 1755 | { |
| 1756 | switch (pointer) { |
| 1757 | case 0: |
| 1758 | return "Error location not determined"; |
| 1759 | case 1: |
| 1760 | return "The first octet of the message received (i.e. the message type) was found erroneous (unknown)"; |
| 1761 | case 0xfd: |
| 1762 | return "The first octet of the BSSAP header (Discrimination) was found erroneous"; |
| 1763 | case 0xfe: |
| 1764 | return "(DTAP only) The DLCI (second) octet of the BSSAP header was found erroneous"; |
| 1765 | case 0xff: |
| 1766 | return "The last octet of the BSSAP header (length indicator) was found erroneous"; |
| 1767 | default: |
| 1768 | snprintf(str_buff, sizeof(str_buff), "The %d octet of the message received was found erroneous", pointer); |
| 1769 | return str_buff; |
| 1770 | } |
| 1771 | } |
| 1772 | |
| 1773 | const char *gsm0808_diagnostics_bit_location_str(uint8_t bit_pointer) |
| 1774 | { |
| 1775 | if (bit_pointer == 0) { |
| 1776 | return "No particular part of the octet is indicated"; |
| 1777 | } else if (bit_pointer > 8) { |
| 1778 | return "Reserved value"; |
| 1779 | } |
| 1780 | |
| 1781 | snprintf(str_buff, sizeof(str_buff), |
| 1782 | "An error was provoked by the field whose most significant bit is in bit position %d", |
| 1783 | bit_pointer); |
| 1784 | return str_buff; |
| 1785 | } |
| 1786 | |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 1787 | const struct value_string gsm0808_lcls_config_names[] = { |
| 1788 | { GSM0808_LCLS_CFG_BOTH_WAY, "Connect both-way" }, |
| 1789 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL, |
| 1790 | "Connect both-way, bi-cast UL to CN" }, |
| 1791 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_SEND_DL, |
| 1792 | "Connect both-way, send access DL from CN" }, |
| 1793 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_SEND_DL_BLOCK_LOCAL_DL, |
| 1794 | "Connect both-way, send access DL from CN, block local DL" }, |
| 1795 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL_SEND_DL, |
| 1796 | "Connect both-way, bi-cast UL to CN, send access DL from CN" }, |
| 1797 | { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL_SEND_DL_BLOCK_LOCAL_DL, |
| 1798 | "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] | 1799 | { GSM0808_LCLS_CFG_NA, "Not available" }, |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 1800 | { 0, NULL } |
| 1801 | }; |
| 1802 | |
| 1803 | const struct value_string gsm0808_lcls_control_names[] = { |
| 1804 | { GSM0808_LCLS_CSC_CONNECT, "Connect" }, |
| 1805 | { GSM0808_LCLS_CSC_DO_NOT_CONNECT, "Do not connect" }, |
| 1806 | { GSM0808_LCLS_CSC_RELEASE_LCLS, "Release LCLS" }, |
| 1807 | { GSM0808_LCLS_CSC_BICAST_UL_AT_HANDOVER, "Bi-cast UL at Handover" }, |
| 1808 | { 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] | 1809 | { GSM0808_LCLS_CSC_NA, "Not available" }, |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 1810 | { 0, NULL } |
| 1811 | }; |
| 1812 | |
| 1813 | const struct value_string gsm0808_lcls_status_names[] = { |
| 1814 | { GSM0808_LCLS_STS_NOT_YET_LS, "Call not yet locally switched" }, |
| 1815 | { GSM0808_LCLS_STS_NOT_POSSIBLE_LS, "Call not possible to be locally switched" }, |
| 1816 | { GSM0808_LCLS_STS_NO_LONGER_LS, "Call is no longer locally switched" }, |
| 1817 | { GSM0808_LCLS_STS_REQ_LCLS_NOT_SUPP, "Requested LCLS configuration is not supported" }, |
| 1818 | { GSM0808_LCLS_STS_LOCALLY_SWITCHED, "Call is locally switched with requested LCLS config" }, |
Max | 961db7c | 2018-11-08 11:40:23 +0100 | [diff] [blame] | 1819 | { GSM0808_LCLS_STS_NA, "Not available" }, |
Harald Welte | ebd362d | 2018-06-02 14:11:19 +0200 | [diff] [blame] | 1820 | { 0, NULL } |
| 1821 | }; |
| 1822 | |
Harald Welte | 96e2a00 | 2017-06-12 21:44:18 +0200 | [diff] [blame] | 1823 | /*! @} */ |