| /* |
| * (C) 2009,2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * (C) 2009,2010 by On-Waves |
| * All Rights Reserved |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #include <string.h> |
| |
| #include <osmocom/core/byteswap.h> |
| #include <osmocom/core/endian.h> |
| #include <osmocom/gsm/gsm0808.h> |
| #include <osmocom/gsm/gsm0808_lcs.h> |
| #include <osmocom/gsm/gsm0808_utils.h> |
| #include <osmocom/gsm/protocol/gsm_08_08.h> |
| #include <osmocom/gsm/gsm48.h> |
| #include <osmocom/gsm/gad.h> |
| |
| /*! \addtogroup gsm0808 |
| * @{ |
| * \file gsm0808.c |
| * Helper functions regarding the TS 08.08 / 48.008 A interface, primarily |
| * message generation/encoding. |
| */ |
| |
| /*! Char buffer to return strings from functions */ |
| static __thread char str_buff[512]; |
| |
| /*! Create "Complete L3 Info" for AoIP, legacy implementation. |
| * Instead use gsm0808_create_layer3_aoip2(), which is capable of three-digit MNC with leading zeros. |
| * \param[in] msg_l3 msgb containing Layer 3 Message |
| * \param[in] nc Mobile Network Code |
| * \param[in] cc Mobile Country Code |
| * \param[in] lac Location Area Code |
| * \param[in] _ci Cell Identity |
| * \param[in] scl Speech Codec List |
| * \returns callee-allocated msgb with Complete L3 Info message */ |
| struct msgb *gsm0808_create_layer3_aoip(const struct msgb *msg_l3, uint16_t nc, |
| uint16_t cc, int lac, uint16_t _ci, |
| const struct gsm0808_speech_codec_list |
| *scl) |
| { |
| struct osmo_cell_global_id cgi = { |
| .lai = { |
| .plmn = { |
| .mcc = cc, |
| .mnc = nc, |
| }, |
| .lac = lac, |
| }, |
| .cell_identity = _ci, |
| }; |
| return gsm0808_create_layer3_2(msg_l3, &cgi, scl); |
| } |
| |
| /*! Create "Complete L3 Info" for AoIP. |
| * \param[in] msg_l3 msgb containing Layer 3 Message -- not modified by this call. |
| * \param[in] cell MCC, MNC, LAC, CI to identify the cell. |
| * \param[in] scl Speech Codec List, optional. |
| * \returns newly allocated msgb with Complete L3 Info message */ |
| struct msgb *gsm0808_create_layer3_2(const struct msgb *msg_l3, const struct osmo_cell_global_id *cell, |
| const struct gsm0808_speech_codec_list *scl) |
| { |
| struct msgb* msg; |
| struct { |
| uint8_t ident; |
| struct gsm48_loc_area_id lai; |
| uint16_t ci; |
| } __attribute__ ((packed)) lai_ci; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap cmpl l3"); |
| if (!msg) |
| return NULL; |
| |
| /* create layer 3 header */ |
| msgb_v_put(msg, BSS_MAP_MSG_COMPLETE_LAYER_3); |
| |
| /* create the cell header */ |
| lai_ci.ident = CELL_IDENT_WHOLE_GLOBAL; |
| gsm48_generate_lai2(&lai_ci.lai, &cell->lai); |
| lai_ci.ci = osmo_htons(cell->cell_identity); |
| msgb_tlv_put(msg, GSM0808_IE_CELL_IDENTIFIER, sizeof(lai_ci), |
| (uint8_t *) &lai_ci); |
| |
| /* copy the layer3 data */ |
| msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, |
| msgb_l3len(msg_l3), msg_l3->l3h); |
| |
| /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| if (scl) |
| gsm0808_enc_speech_codec_list(msg, scl); |
| |
| /* push the bssmap header */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create "Complete L3 Info" for A, legacy implementation. |
| * Instead use gsm0808_create_layer3_2() with the scl parameter passed as NULL, |
| * which is capable of three-digit MNC with leading zeros. |
| * \param[in] msg_l3 msgb containing Layer 3 Message |
| * \param[in] nc Mobile Network Code |
| * \param[in] cc Mobile Country Code |
| * \param[in] lac Location Area Code |
| * \param[in] _ci Cell Identity |
| * \returns callee-allocated msgb with Complete L3 Info message */ |
| struct msgb *gsm0808_create_layer3(struct msgb *msg_l3, uint16_t nc, |
| uint16_t cc, int lac, uint16_t _ci) |
| { |
| struct osmo_cell_global_id cgi = { |
| .lai = { |
| .plmn = { |
| .mcc = cc, |
| .mnc = nc, |
| }, |
| .lac = lac, |
| }, |
| .cell_identity = _ci, |
| }; |
| return gsm0808_create_layer3_2(msg_l3, &cgi, NULL); |
| } |
| |
| /*! Create BSSMAP RESET message |
| * \returns callee-allocated msgb with BSSMAP Reset message */ |
| struct msgb *gsm0808_create_reset(void) |
| { |
| uint8_t cause = GSM0808_CAUSE_EQUIPMENT_FAILURE; |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: reset"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_RESET); |
| gsm0808_enc_cause(msg, cause); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP RESET ACK message |
| * \returns callee-allocated msgb with BSSMAP Reset ACK message */ |
| struct msgb *gsm0808_create_reset_ack(void) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: reset ack"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_RESET_ACKNOWLEDGE); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Clear Complete message |
| * \returns callee-allocated msgb with BSSMAP Clear Complete message */ |
| struct msgb *gsm0808_create_clear_complete(void) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: clear complete"); |
| uint8_t val = BSS_MAP_MSG_CLEAR_COMPLETE; |
| if (!msg) |
| return NULL; |
| |
| msg->l3h = msg->data; |
| msgb_tlv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 1, &val); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Clear Command message with BSSAP header *before* l3h and BSSMAP in l3h. |
| * This is quite different from most (all?) other gsm0808_create_* which have l3h |
| * point to the BSSAP header. However, we have to keep this for backwards compatibility. |
| * Use gsm0808_create_clear_command2() for a 'modern' implementation. |
| * \param[in] cause TS 08.08 cause value |
| * \returns callee-allocated msgb with BSSMAP Clear Command message */ |
| struct msgb *gsm0808_create_clear_command(uint8_t cause) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: clear command"); |
| if (!msg) |
| return NULL; |
| |
| msg->l3h = msgb_tv_put(msg, BSSAP_MSG_BSS_MANAGEMENT, 4); |
| msgb_v_put(msg, BSS_MAP_MSG_CLEAR_CMD); |
| gsm0808_enc_cause(msg, cause); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Clear Command message. |
| * \param[in] cause TS 08.08 cause value. |
| * \param[in] csfb_ind indicate that the call was established in an CSFB context. |
| * \returns callee-allocated msgb with BSSMAP Clear Command message. */ |
| struct msgb *gsm0808_create_clear_command2(uint8_t cause, bool csfb_ind) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: clear command"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_CLEAR_CMD); |
| gsm0808_enc_cause(msg, cause); |
| |
| if (csfb_ind) |
| msgb_v_put(msg, GSM0808_IE_CSFB_INDICATION); |
| |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Cipher Mode Command message |
| * \param[in] ei Mandatory Encryption Information |
| * \param[in] cipher_response_mode optional 1-byte Cipher Response Mode |
| * \returns callee-allocated msgb with BSSMAP Cipher Mode Command message */ |
| struct msgb *gsm0808_create_cipher(const struct gsm0808_encrypt_info *ei, |
| const uint8_t *cipher_response_mode) |
| { |
| /* See also: 3GPP TS 48.008 3.2.1.30 CIPHER MODE COMMAND */ |
| struct msgb *msg; |
| |
| /* Mandatory emelent! */ |
| OSMO_ASSERT(ei); |
| |
| msg = |
| msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "cipher-mode-command"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_CMD); |
| |
| /* Encryption Information 3.2.2.10 */ |
| gsm0808_enc_encrypt_info(msg, ei); |
| |
| /* Cipher Response Mode 3.2.2.34 */ |
| if (cipher_response_mode) |
| msgb_tv_put(msg, GSM0808_IE_CIPHER_RESPONSE_MODE, |
| *cipher_response_mode); |
| |
| /* pre-pend the header */ |
| msg->l3h = |
| msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Cipher Mode Complete message |
| * \param[in] layer3 L3 Message to be included |
| * \param[in] alg_id Chosen Encrpytion Algorithm |
| * \returns callee-allocated msgb with BSSMAP Cipher Mode Complete message */ |
| struct msgb *gsm0808_create_cipher_complete(struct msgb *layer3, uint8_t alg_id) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "cipher-complete"); |
| if (!msg) |
| return NULL; |
| |
| /* send response with BSS override for A5/1... cheating */ |
| msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_COMPLETE); |
| |
| /* include layer3 in case we have at least two octets */ |
| if (layer3 && msgb_l3len(layer3) > 2) { |
| msg->l4h = msgb_tlv_put(msg, GSM0808_IE_LAYER_3_MESSAGE_CONTENTS, |
| msgb_l3len(layer3), layer3->l3h); |
| } |
| |
| /* Optional Chosen Encryption Algorithm IE */ |
| if (alg_id > 0) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, alg_id); |
| |
| /* pre-pend the header */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Cipher Mode Reject message |
| * \param[in] cause 3GPP TS 08.08 §3.2.2.5 cause value |
| * \returns callee-allocated msgb with BSSMAP Cipher Mode Reject message */ |
| struct msgb *gsm0808_create_cipher_reject(enum gsm0808_cause cause) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: cipher mode reject"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_REJECT); |
| |
| gsm0808_enc_cause(msg, cause); |
| |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Cipher Mode Reject message |
| * \param[in] class 3GPP TS 08.08 §3.2.2.5 cause's class |
| * \param[in] ext 3GPP TS 08.08 §3.2.2.5 cause value (national application extension) |
| * \returns callee-allocated msgb with BSSMAP Cipher Mode Reject message */ |
| struct msgb *gsm0808_create_cipher_reject_ext(enum gsm0808_cause_class class, uint8_t ext) |
| { |
| uint16_t cause; |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: cipher mode reject"); |
| if (!msg) |
| return NULL; |
| |
| /* Set cause code class in the upper byte */ |
| cause = 0x80 | (class << 4); |
| cause = cause << 8; |
| |
| /* Set cause code extension in the lower byte */ |
| cause |= ext; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_CIPHER_MODE_REJECT); |
| |
| gsm0808_enc_cause(msg, cause); |
| |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP LCLS CONNECT CONTROL message (TS 48.008 3.2.1.91). |
| * \param[in] config LCLS Configuration |
| * \param[in] control LCLS Connection Status Control |
| * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| struct msgb *gsm0808_create_lcls_conn_ctrl(enum gsm0808_lcls_config config, |
| enum gsm0808_lcls_control control) |
| { |
| struct msgb *msg; |
| |
| /* According to NOTE 1 in §3.2.1.91 at least one of the parameters is required */ |
| if (config == GSM0808_LCLS_CFG_NA && control == GSM0808_LCLS_CSC_NA) |
| return NULL; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "bssmap: LCLS CONN CTRL"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL); |
| if (config != GSM0808_LCLS_CFG_NA) |
| msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, config); |
| if (control != GSM0808_LCLS_CSC_NA) |
| msgb_tv_put(msg, GSM0808_IE_LCLS_CONFIG, control); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP LCLS CONNECT CONTROL ACK message (TS 48.008 3.2.1.92). |
| * \param[in] status LCLS BSS Status |
| * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| struct msgb *gsm0808_create_lcls_conn_ctrl_ack(enum gsm0808_lcls_status status) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: LCLS CONN CTRL ACK"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK); |
| msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP LCLS NOTIFICATION message (TS 48.008 3.2.1.93). |
| * \param[in] status LCLS BSS Status |
| * \param[in] break_req Include the LCLS BREAK REQ IE (true) or not (false) |
| * \returns callee-allocated msgb with BSSMAP LCLS NOTIFICATION */ |
| struct msgb *gsm0808_create_lcls_notification(enum gsm0808_lcls_status status, bool break_req) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: LCLS NOTIFICATION"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_LCLS_NOTIFICATION); |
| msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, status); |
| if (break_req) |
| msgb_v_put(msg, GSM0808_IE_LCLS_BREAK_REQ); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Classmark Request message |
| * \returns callee-allocated msgb with BSSMAP Classmark Request message */ |
| struct msgb *gsm0808_create_classmark_request() |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "classmark-request"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_RQST); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| return msg; |
| } |
| |
| /*! Create BSSMAP Classmark Update message |
| * \param[in] cm2 Classmark 2 |
| * \param[in] cm2_len length (in octets) of \a cm2 |
| * \param[in] cm3 Classmark 3 |
| * \param[in] cm3_len length (in octets) of \a cm3 |
| * \returns callee-allocated msgb with BSSMAP Classmark Update message */ |
| struct msgb *gsm0808_create_classmark_update(const uint8_t *cm2, uint8_t cm2_len, |
| const uint8_t *cm3, uint8_t cm3_len) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "classmark-update"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_CLASSMARK_UPDATE); |
| msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T2, cm2_len, cm2); |
| if (cm3) |
| msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T3, |
| cm3_len, cm3); |
| |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP SAPI N Reject message |
| * \param[in] link_id Link Identifier |
| * \param[in] cause BSSAP Cause value (see 3GPP TS 48.008, section 3.2.2.5) |
| * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ |
| struct msgb *gsm0808_create_sapi_reject_cause(uint8_t link_id, uint16_t cause) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: sapi 'n' reject"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_SAPI_N_REJECT); |
| msgb_tv_put(msg, GSM0808_IE_DLCI, link_id); |
| gsm0808_enc_cause(msg, cause); |
| |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP SAPI N Reject message (with hard-coded cause "BSS not equipped"). |
| * DEPRECATED: use gsm0808_create_sapi_reject_cause() instead. |
| * \param[in] link_id Link Identifier |
| * \param[in] cause BSSAP Cause value (see 3GPP TS 48.008, section 3.2.2.5) |
| * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ |
| struct msgb *gsm0808_create_sapi_reject(uint8_t link_id) |
| { |
| return gsm0808_create_sapi_reject_cause(link_id, GSM0808_CAUSE_BSS_NOT_EQUIPPED); |
| } |
| |
| /*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1. |
| * This is identical to gsm0808_create_ass(), but adds KC and LCLS IEs. |
| * \param[in] ct Channel Type |
| * \param[in] cic Circuit Identity Code (Classic A only) |
| * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only) |
| * \param[in] scl Speech Codec List (AoIP only) |
| * \param[in] ci Call Identifier (Optional), §3.2.2.105 |
| * \param[in] kc Kc128 ciphering key (Optional, A5/4), §3.2.2.109 |
| * \param[in] lcls Optional LCLS parameters |
| * \returns callee-allocated msgb with BSSMAP Assignment Request message */ |
| struct msgb *gsm0808_create_ass2(const struct gsm0808_channel_type *ct, |
| const uint16_t *cic, |
| const struct sockaddr_storage *ss, |
| const struct gsm0808_speech_codec_list *scl, |
| const uint32_t *ci, |
| const uint8_t *kc, const struct osmo_lcls *lcls) |
| { |
| /* See also: 3GPP TS 48.008 3.2.1.1 ASSIGNMENT REQUEST */ |
| struct msgb *msg; |
| uint16_t cic_sw; |
| uint32_t ci_sw; |
| |
| /* Mandatory emelent! */ |
| OSMO_ASSERT(ct); |
| |
| msg = |
| msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: ass req"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_RQST); |
| |
| /* Channel Type 3.2.2.11 */ |
| gsm0808_enc_channel_type(msg, ct); |
| |
| /* Circuit Identity Code 3.2.2.2 */ |
| if (cic) { |
| cic_sw = osmo_htons(*cic); |
| msgb_tv_fixed_put(msg, GSM0808_IE_CIRCUIT_IDENTITY_CODE, |
| sizeof(cic_sw), (uint8_t *) & cic_sw); |
| } |
| |
| /* AoIP: AoIP Transport Layer Address (MGW) 3.2.2.102 */ |
| if (ss) { |
| gsm0808_enc_aoip_trasp_addr(msg, ss); |
| } |
| |
| /* AoIP: Codec List (MSC Preferred) 3.2.2.103 */ |
| if (scl) |
| gsm0808_enc_speech_codec_list(msg, scl); |
| |
| /* AoIP: Call Identifier 3.2.2.105 */ |
| if (ci) { |
| /* NOTE: 3GPP TS 48.008, section 3.2.2.105 specifies that |
| the least significant byte should be transmitted first. |
| On x86, this would mean that the endieness is already |
| correct, however a platform independed implementation |
| is required: */ |
| #ifndef OSMO_IS_LITTLE_ENDIAN |
| ci_sw = osmo_swab32(*ci); |
| #else |
| ci_sw = *ci; |
| #endif |
| msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, sizeof(ci_sw), |
| (uint8_t *) & ci_sw); |
| } |
| |
| if (kc) |
| msgb_tv_fixed_put(msg, GSM0808_IE_KC_128, 16, kc); |
| |
| if (lcls) |
| gsm0808_enc_lcls(msg, lcls); |
| |
| /* push the bssmap header */ |
| msg->l3h = |
| msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Assignment Request message, 3GPP TS 48.008 §3.2.1.1. |
| * \param[in] ct Channel Type |
| * \param[in] cic Circuit Identity Code (Classic A only) |
| * \param[in] ss Socket Address of MSC-side RTP socket (AoIP only) |
| * \param[in] scl Speech Codec List (AoIP only) |
| * \param[in] ci Call Identifier (Optional), §3.2.2.105 |
| * \returns callee-allocated msgb with BSSMAP Assignment Request message */ |
| struct msgb *gsm0808_create_ass(const struct gsm0808_channel_type *ct, |
| const uint16_t *cic, |
| const struct sockaddr_storage *ss, |
| const struct gsm0808_speech_codec_list *scl, |
| const uint32_t *ci) |
| { |
| return gsm0808_create_ass2(ct, cic, ss, scl, ci, NULL, NULL); |
| } |
| |
| /*! Create BSSMAP Assignment Completed message as per 3GPP TS 48.008 §3.2.1.2 |
| * \param[in] rr_cause GSM 04.08 RR Cause value |
| * \param[in] chosen_channel Chosen Channel |
| * \param[in] encr_alg_id Encryption Algorithm ID |
| * \param[in] speech_mode Speech Mode |
| * \param[in] ss Socket Address of BSS-side RTP socket |
| * \param[in] sc Speech Codec (current) |
| * \param[in] scl Speech Codec List (permitted) |
| * \param[in] lcls_bss_status §3.2.2.119 LCLS-BSS-Status, optional |
| * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
| struct msgb *gsm0808_create_ass_compl2(uint8_t rr_cause, uint8_t chosen_channel, |
| uint8_t encr_alg_id, uint8_t speech_mode, |
| const struct sockaddr_storage *ss, |
| const struct gsm0808_speech_codec *sc, |
| const struct gsm0808_speech_codec_list *scl, |
| enum gsm0808_lcls_status lcls_bss_status) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: ass compl"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_COMPLETE); |
| |
| /* write 3.2.2.22 */ |
| msgb_tv_put(msg, GSM0808_IE_RR_CAUSE, rr_cause); |
| |
| /* write cirtcuit identity code 3.2.2.2 */ |
| /* write cell identifier 3.2.2.17 */ |
| /* write chosen channel 3.2.2.33 when BTS picked it */ |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, chosen_channel); |
| |
| /* write chosen encryption algorithm 3.2.2.44 */ |
| if (encr_alg_id > 0) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, encr_alg_id); |
| |
| /* write circuit pool 3.2.2.45 */ |
| /* write speech version chosen: 3.2.2.51 when BTS picked it */ |
| if (speech_mode != 0) |
| msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, speech_mode); |
| |
| /* AoIP: AoIP Transport Layer Address (BSS) 3.2.2.102 */ |
| if (ss) |
| gsm0808_enc_aoip_trasp_addr(msg, ss); |
| |
| /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
| if (sc) |
| gsm0808_enc_speech_codec(msg, sc); |
| |
| /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| if (scl) |
| gsm0808_enc_speech_codec_list(msg, scl); |
| |
| /* FIXME: write LSA identifier 3.2.2.15 - see 3GPP TS 43.073 */ |
| |
| /* LCLS-BSS-Status 3.2.2.119 */ |
| if (lcls_bss_status != GSM0808_LCLS_STS_NA) |
| msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, lcls_bss_status); |
| |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Assignment Completed message |
| * \param[in] rr_cause GSM 04.08 RR Cause value |
| * \param[in] chosen_channel Chosen Channel |
| * \param[in] encr_alg_id Encryption Algorithm ID |
| * \param[in] speech_mode Speech Mode |
| * \param[in] ss Socket Address of BSS-side RTP socket |
| * \param[in] sc Speech Codec (current) |
| * \param[in] scl Speech Codec List (permitted) |
| * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
| struct msgb *gsm0808_create_ass_compl(uint8_t rr_cause, uint8_t chosen_channel, |
| uint8_t encr_alg_id, uint8_t speech_mode, |
| const struct sockaddr_storage *ss, |
| const struct gsm0808_speech_codec *sc, |
| const struct gsm0808_speech_codec_list *scl) |
| { |
| return gsm0808_create_ass_compl2(rr_cause, chosen_channel, encr_alg_id, speech_mode, |
| ss, sc, scl, GSM0808_LCLS_STS_NA); |
| } |
| |
| /*! Create BSSMAP Assignment Completed message |
| * \param[in] rr_cause GSM 04.08 RR Cause value |
| * \param[in] chosen_channel Chosen Channel |
| * \param[in] encr_alg_id Encryption Algorithm ID |
| * \param[in] speech_mode Speech Mode |
| * \returns callee-allocated msgb with BSSMAP Assignment Complete message */ |
| struct msgb *gsm0808_create_assignment_completed(uint8_t rr_cause, |
| uint8_t chosen_channel, |
| uint8_t encr_alg_id, |
| uint8_t speech_mode) |
| { |
| return gsm0808_create_ass_compl2(rr_cause, chosen_channel, encr_alg_id, |
| speech_mode, NULL, NULL, NULL, GSM0808_LCLS_STS_NA); |
| } |
| |
| /*! Create BSSMAP Assignment Failure message |
| * \param[in] cause BSSMAP Cause value |
| * \param[in] rr_cause GSM 04.08 RR Cause value |
| * \param[in] scl Optional Speech Cdec List (AoIP) |
| * \returns callee-allocated msgb with BSSMAP Assignment Failure message */ |
| struct msgb *gsm0808_create_ass_fail(uint8_t cause, const uint8_t *rr_cause, |
| const struct gsm0808_speech_codec_list |
| *scl) |
| { |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: ass fail"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_ASSIGMENT_FAILURE); |
| gsm0808_enc_cause(msg, cause); |
| |
| /* RR cause 3.2.2.22 */ |
| if (rr_cause) |
| msgb_tv_put(msg, GSM0808_IE_RR_CAUSE, *rr_cause); |
| |
| /* Circuit pool 3.22.45 */ |
| /* Circuit pool list 3.2.2.46 */ |
| |
| /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| if (scl) |
| gsm0808_enc_speech_codec_list(msg, scl); |
| |
| /* update the size */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP Assignment Failure message |
| * \param[in] cause BSSMAP Cause value |
| * \param[in] rr_cause GSM 04.08 RR Cause value |
| * \returns callee-allocated msgb with BSSMAP Assignment Failure message */ |
| struct msgb *gsm0808_create_assignment_failure(uint8_t cause, |
| uint8_t *rr_cause) |
| { |
| return gsm0808_create_ass_fail(cause, rr_cause, NULL); |
| } |
| |
| /*! Create BSSMAP Clear Request message |
| * \param[in] cause BSSMAP Cause value |
| * \returns callee-allocated msgb with BSSMAP Clear Request message */ |
| struct msgb *gsm0808_create_clear_rqst(uint8_t cause) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "bssmap: clear rqst"); |
| if (!msg) |
| return NULL; |
| |
| msgb_v_put(msg, BSS_MAP_MSG_CLEAR_RQST); |
| gsm0808_enc_cause(msg, cause); |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP PAGING message |
| * \param[in] imsi Mandatory paged IMSI in string representation |
| * \param[in] tmsi Optional paged TMSI |
| * \param[in] cil Mandatory Cell Identity List (where to page) |
| * \param[in] chan_needed Channel Type needed |
| * \returns callee-allocated msgb with BSSMAP PAGING message */ |
| struct msgb *gsm0808_create_paging2(const char *imsi, const uint32_t *tmsi, |
| const struct gsm0808_cell_id_list2 *cil, |
| const uint8_t *chan_needed) |
| { |
| struct msgb *msg; |
| uint8_t mid_buf[GSM48_MI_SIZE + 2]; |
| int mid_len; |
| uint32_t tmsi_sw; |
| |
| /* Mandatory elements! */ |
| OSMO_ASSERT(imsi); |
| OSMO_ASSERT(cil); |
| |
| /* Malformed IMSI */ |
| OSMO_ASSERT(strlen(imsi) <= GSM48_MI_SIZE); |
| |
| msg = |
| msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "paging"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_PAGING); |
| |
| /* mandatory IMSI 3.2.2.6 */ |
| mid_len = gsm48_generate_mid_from_imsi(mid_buf, imsi); |
| msgb_tlv_put(msg, GSM0808_IE_IMSI, mid_len - 2, mid_buf + 2); |
| |
| /* TMSI 3.2.2.7 */ |
| if (tmsi) { |
| tmsi_sw = osmo_htonl(*tmsi); |
| msgb_tlv_put(msg, GSM0808_IE_TMSI, sizeof(*tmsi), |
| (uint8_t *) & tmsi_sw); |
| } |
| |
| /* mandatory Cell Identifier List 3.2.2.27 */ |
| gsm0808_enc_cell_id_list2(msg, cil); |
| |
| /* Channel Needed 3.2.2.36 */ |
| if (chan_needed) { |
| msgb_tv_put(msg, GSM0808_IE_CHANNEL_NEEDED, |
| (*chan_needed) & 0x03); |
| } |
| |
| /* pre-pend the header */ |
| msg->l3h = |
| msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! DEPRECATED: Use gsm0808_create_paging2 instead. |
| * Create BSSMAP PAGING message. |
| * \param[in] imsi Mandatory paged IMSI in string representation |
| * \param[in] tmsi Optional paged TMSI |
| * \param[in] cil Cell Identity List (where to page) |
| * \param[in] chan_needed Channel Type needed |
| * \returns callee-allocated msgb with BSSMAP PAGING message */ |
| struct msgb *gsm0808_create_paging(const char *imsi, const uint32_t *tmsi, |
| const struct gsm0808_cell_id_list *cil, |
| const uint8_t *chan_needed) |
| { |
| struct gsm0808_cell_id_list2 cil2 = {}; |
| |
| /* Mandatory emelents! */ |
| OSMO_ASSERT(cil); |
| |
| if (cil->id_list_len > GSM0808_CELL_ID_LIST2_MAXLEN) |
| return NULL; |
| |
| cil2.id_discr = cil->id_discr; |
| memcpy(cil2.id_list, cil->id_list_lac, cil->id_list_len * sizeof(cil2.id_list[0].lac)); |
| cil2.id_list_len = cil->id_list_len; |
| |
| return gsm0808_create_paging2(imsi, tmsi, &cil2, chan_needed); |
| } |
| |
| static uint8_t put_old_bss_to_new_bss_information(struct msgb *msg, |
| const struct gsm0808_old_bss_to_new_bss_info *i) |
| { |
| uint8_t *old_tail; |
| uint8_t *tlv_len; |
| |
| msgb_put_u8(msg, GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION); |
| tlv_len = msgb_put(msg, 1); |
| old_tail = msg->tail; |
| |
| if (i->extra_information_present) { |
| uint8_t val = 0; |
| if (i->extra_information.prec) |
| val |= 1 << 0; |
| if (i->extra_information.lcs) |
| val |= 1 << 1; |
| if (i->extra_information.ue_prob) |
| val |= 1 << 2; |
| msgb_tlv_put(msg, GSM0808_FE_IE_EXTRA_INFORMATION, 1, &val); |
| } |
| |
| if (i->current_channel_type_2_present) { |
| uint8_t val[2] = { |
| i->current_channel_type_2.mode, |
| i->current_channel_type_2.field, |
| }; |
| msgb_tlv_put(msg, GSM0808_FE_IE_CURRENT_CHANNEL_TYPE_2, 2, val); |
| } |
| |
| *tlv_len = (uint8_t) (msg->tail - old_tail); |
| return *tlv_len + 2; |
| } |
| |
| /*! Create BSSMAP HANDOVER REQUIRED message. |
| * \param[in] params All information to be encoded. |
| * \returns newly allocated msgb with BSSMAP HANDOVER REQUIRED message. */ |
| struct msgb *gsm0808_create_handover_required(const struct gsm0808_handover_required *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUIRED"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_REQUIRED); |
| |
| /* Cause, 3.2.2.5 */ |
| gsm0808_enc_cause(msg, params->cause); |
| |
| /* Cell Identifier List, 3.2.2.27 */ |
| gsm0808_enc_cell_id_list2(msg, ¶ms->cil); |
| |
| /* Current Channel Type 1, 3.2.2.49 */ |
| if (params->current_channel_type_1_present) |
| msgb_tv_fixed_put(msg, GSM0808_IE_CURRENT_CHANNEL_TYPE_1, 1, ¶ms->current_channel_type_1); |
| |
| /* Speech Version (Used), 3.2.2.51 */ |
| if (params->speech_version_used_present) |
| msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_used); |
| |
| if (params->old_bss_to_new_bss_info_present) |
| put_old_bss_to_new_bss_information(msg, ¶ms->old_bss_to_new_bss_info); |
| |
| /* pre-pend the header */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER REQUIRED REJECT message. |
| * \returns newly allocated msgb with BSSMAP HANDOVER REQUIRED REJECT message. */ |
| struct msgb *gsm0808_create_handover_required_reject(const struct gsm0808_handover_required_reject *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUIRED-REJECT"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT); |
| |
| /* Cause, 3.2.2.5 */ |
| gsm0808_enc_cause(msg, params->cause); |
| |
| /* prepend the header */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER REQUEST message, 3GPP TS 48.008 3.2.1.8. |
| * Sent from the MSC to the potential new target cell during inter-BSC handover, or to the target MSC during inter-MSC |
| * handover. |
| */ |
| struct msgb *gsm0808_create_handover_request(const struct gsm0808_handover_request *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUEST"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_RQST); |
| |
| /* Channel Type 3.2.2.11 */ |
| gsm0808_enc_channel_type(msg, ¶ms->channel_type); |
| |
| /* Encryption Information 3.2.2.10 */ |
| gsm0808_enc_encrypt_info(msg, ¶ms->encryption_information); |
| |
| /* Classmark Information 1 3.2.2.30 or Classmark Information 2 3.2.2.19 (Classmark 2 wins) */ |
| if (params->classmark_information.classmark2_len) { |
| msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T2, |
| params->classmark_information.classmark2_len, |
| (const uint8_t*)¶ms->classmark_information.classmark2); |
| } else if (params->classmark_information.classmark1_set) { |
| msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1, |
| sizeof(params->classmark_information.classmark1), |
| (const uint8_t*)¶ms->classmark_information.classmark1); |
| } |
| /* (Classmark 3 possibly follows below) */ |
| |
| /* Cell Identifier (Serving) , 3.2.2.17 */ |
| gsm0808_enc_cell_id(msg, ¶ms->cell_identifier_serving); |
| |
| /* Cell Identifier (Target) , 3.2.2.17 */ |
| gsm0808_enc_cell_id(msg, ¶ms->cell_identifier_target); |
| |
| /* Cause, 3.2.2.5 */ |
| gsm0808_enc_cause(msg, params->cause); |
| |
| /* Classmark Information 3 3.2.2.20 */ |
| if (params->classmark_information.classmark3_len) { |
| msgb_tlv_put(msg, GSM0808_IE_CLASSMARK_INFORMATION_T3, |
| params->classmark_information.classmark3_len, |
| (const uint8_t*)¶ms->classmark_information.classmark3); |
| } |
| |
| /* Current Channel type 1 3.2.2.49 */ |
| if (params->current_channel_type_1_present) |
| msgb_tv_fixed_put(msg, GSM0808_IE_CURRENT_CHANNEL_TYPE_1, 1, ¶ms->current_channel_type_1); |
| |
| /* Speech Version (Used), 3.2.2.51 */ |
| if (params->speech_version_used) { |
| msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_used); |
| } |
| |
| /* Chosen Encryption Algorithm (Serving) 3.2.2.44 */ |
| if (params->chosen_encryption_algorithm_serving > 0) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encryption_algorithm_serving); |
| |
| /* Old BSS to New BSS Information 3.2.2.58 */ |
| if (params->old_bss_to_new_bss_info_raw && params->old_bss_to_new_bss_info_raw_len) { |
| msgb_tlv_put(msg, GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION, |
| params->old_bss_to_new_bss_info_raw_len, |
| params->old_bss_to_new_bss_info_raw); |
| } else if (params->old_bss_to_new_bss_info_present) { |
| put_old_bss_to_new_bss_information(msg, ¶ms->old_bss_to_new_bss_info); |
| } |
| |
| /* IMSI 3.2.2.6 */ |
| if (params->imsi) { |
| uint8_t mid_buf[GSM48_MI_SIZE + 2]; |
| int mid_len = gsm48_generate_mid_from_imsi(mid_buf, params->imsi); |
| msgb_tlv_put(msg, GSM0808_IE_IMSI, mid_len - 2, mid_buf + 2); |
| } |
| |
| if (params->aoip_transport_layer) |
| gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer); |
| |
| if (params->codec_list_msc_preferred) |
| gsm0808_enc_speech_codec_list(msg, params->codec_list_msc_preferred); |
| |
| if (params->call_id_present) { |
| uint8_t val[4]; |
| osmo_store32le(params->call_id, val); |
| msgb_tv_fixed_put(msg, GSM0808_IE_CALL_ID, 4, val); |
| } |
| |
| if (params->global_call_reference && params->global_call_reference_len) { |
| msgb_tlv_put(msg, GSM0808_IE_GLOBAL_CALL_REF, |
| params->global_call_reference_len, params->global_call_reference); |
| } |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER REQUEST ACKNOWLEDGE message, 3GPP TS 48.008 3.2.1.10. |
| * Sent from the MT BSC back to the MSC when it has allocated an lchan to handover to. |
| * l3_info is the RR Handover Command that the MO BSC sends to the MS to move over. */ |
| struct msgb *gsm0808_create_handover_request_ack2(const struct gsm0808_handover_request_ack *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-REQUEST-ACK"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE); |
| |
| /* Layer 3 Information, 3.2.2.24 -- it is actually mandatory, but rather compose a nonstandard message than |
| * segfault or return NULL without a log message. */ |
| if (params->l3_info && params->l3_info_len) |
| msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3_info_len, params->l3_info); |
| |
| if (params->chosen_channel_present) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
| if (params->chosen_encr_alg > 0) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| |
| if (params->chosen_speech_version != 0) |
| msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->chosen_speech_version); |
| |
| if (params->aoip_transport_layer) |
| gsm0808_enc_aoip_trasp_addr(msg, params->aoip_transport_layer); |
| |
| /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
| if (params->speech_codec_chosen_present) |
| gsm0808_enc_speech_codec(msg, ¶ms->speech_codec_chosen); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Same as gsm0808_create_handover_request_ack2() but with less parameters. |
| * In particular, this lacks the AoIP Transport Layer address. */ |
| struct msgb *gsm0808_create_handover_request_ack(const uint8_t *l3_info, uint8_t l3_info_len, |
| uint8_t chosen_channel, uint8_t chosen_encr_alg, |
| uint8_t chosen_speech_version) |
| { |
| struct gsm0808_handover_request_ack params = { |
| .l3_info = l3_info, |
| .l3_info_len = l3_info_len, |
| .chosen_channel = chosen_channel, |
| .chosen_encr_alg = chosen_encr_alg, |
| .chosen_speech_version = chosen_speech_version, |
| }; |
| |
| return gsm0808_create_handover_request_ack2(¶ms); |
| } |
| |
| /*! Create BSSMAP HANDOVER COMMAND message, 3GPP TS 48.008 3.2.1.11. |
| * Sent from the MSC to the old BSS to transmit the RR Handover Command received from the new BSS. */ |
| struct msgb *gsm0808_create_handover_command(const struct gsm0808_handover_command *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-COMMAND"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_CMD); |
| |
| msgb_tlv_put(msg, GSM0808_IE_LAYER_3_INFORMATION, params->l3_info_len, params->l3_info); |
| |
| if (params->cell_identifier.id_discr != CELL_IDENT_NO_CELL) |
| gsm0808_enc_cell_id(msg, ¶ms->cell_identifier); |
| |
| if (params->new_bss_to_old_bss_info_raw |
| && params->new_bss_to_old_bss_info_raw_len) |
| msgb_tlv_put(msg, GSM0808_IE_NEW_BSS_TO_OLD_BSS_INFO, params->new_bss_to_old_bss_info_raw_len, |
| params->new_bss_to_old_bss_info_raw); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER DETECT message, 3GPP TS 48.008 3.2.1.40. |
| * Sent from the MT BSC back to the MSC when the MS has sent a handover RACH request and the MT BSC has |
| * received the Handover Detect message. */ |
| struct msgb *gsm0808_create_handover_detect() |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-DETECT"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_DETECT); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER SUCCEEDED message, 3GPP TS 48.008 3.2.1.13. |
| * Sent from the MSC back to the old BSS to notify that the MS has successfully accessed the new BSS. */ |
| struct msgb *gsm0808_create_handover_succeeded() |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-DETECT"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_SUCCEEDED); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER COMPLETE message, 3GPP TS 48.008 3.2.1.12. |
| * Sent from the MT BSC back to the MSC when the MS has fully settled into the new lchan. */ |
| struct msgb *gsm0808_create_handover_complete(const struct gsm0808_handover_complete *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-COMPLETE"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_COMPLETE); |
| |
| /* RR Cause, 3.2.2.22 */ |
| if (params->rr_cause_present) |
| msgb_tlv_put(msg, GSM0808_IE_RR_CAUSE, 1, ¶ms->rr_cause); |
| |
| /* AoIP: Speech Codec (Chosen) 3.2.2.104 */ |
| if (params->speech_codec_chosen_present) |
| gsm0808_enc_speech_codec(msg, ¶ms->speech_codec_chosen); |
| |
| /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| if (params->codec_list_bss_supported.len) |
| gsm0808_enc_speech_codec_list(msg, ¶ms->codec_list_bss_supported); |
| |
| /* Chosen Encryption Algorithm 3.2.2.44 */ |
| if (params->chosen_encr_alg_present && params->chosen_encr_alg > 0) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| |
| /* LCLS-BSS-Status 3.2.2.119 */ |
| if (params->lcls_bss_status_present) |
| msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, params->lcls_bss_status); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER FAILURE message, 3GPP TS 48.008 3.2.1.16. |
| * Sent from the MT BSC back to the MSC when the handover has failed. */ |
| struct msgb *gsm0808_create_handover_failure(const struct gsm0808_handover_failure *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-FAILURE"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_FAILURE); |
| |
| /* Cause, 3.2.2.5 */ |
| gsm0808_enc_cause(msg, params->cause); |
| |
| /* RR Cause, 3.2.2.22 */ |
| if (params->rr_cause_present) |
| msgb_tlv_put(msg, GSM0808_IE_RR_CAUSE, 1, ¶ms->rr_cause); |
| |
| /* AoIP: add Codec List (BSS Supported) 3.2.2.103 */ |
| if (params->codec_list_bss_supported.len) |
| gsm0808_enc_speech_codec_list(msg, ¶ms->codec_list_bss_supported); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP HANDOVER PERFORMED message, 3GPP TS 48.008 3.2.1.25. |
| * \param[in] params All information to be encoded. |
| * \returns callee-allocated msgb with BSSMAP HANDOVER PERFORMED message */ |
| struct msgb *gsm0808_create_handover_performed(const struct gsm0808_handover_performed *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-HANDOVER-PERFORMED"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_HANDOVER_PERFORMED); |
| |
| /* Cause, 3.2.2.5 */ |
| gsm0808_enc_cause(msg, params->cause); |
| |
| /* Cell Identifier, 3.2.2.17 */ |
| gsm0808_enc_cell_id(msg, ¶ms->cell_id); |
| |
| /* Chosen Channel 3.2.2.33 */ |
| if (params->chosen_channel_present) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_CHANNEL, params->chosen_channel); |
| |
| /* Chosen Encryption Algorithm 3.2.2.44 */ |
| if (params->chosen_encr_alg_present && params->chosen_encr_alg > 0) |
| msgb_tv_put(msg, GSM0808_IE_CHOSEN_ENCR_ALG, params->chosen_encr_alg); |
| |
| /* Speech Version (chosen) 3.2.2.51 */ |
| if (params->speech_version_chosen_present) |
| msgb_tv_put(msg, GSM0808_IE_SPEECH_VERSION, params->speech_version_chosen); |
| |
| /* AoIP: Speech Codec (chosen) 3.2.2.104 */ |
| if (params->speech_codec_chosen_present) |
| gsm0808_enc_speech_codec(msg, ¶ms->speech_codec_chosen); |
| |
| /* LCLS-BSS-Status 3.2.2.119 */ |
| if (params->lcls_bss_status_present) |
| msgb_tv_put(msg, GSM0808_IE_LCLS_BSS_STATUS, params->lcls_bss_status); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Create BSSMAP COMMON ID message, 3GPP TS 48.008 3.2.1.68. |
| * \param[in] imsi IMSI digits (decimal string). |
| * \param[in] selected_plmn_id Selected PLMN ID to encode, or NULL to not encode this IE. |
| * \param[in] last_used_eutran_plnm_id Last used E-UTRAN PLMN ID to encode, or NULL to not encode this IE. |
| * \returns callee-allocated msgb with BSSMAP COMMON ID message, or NULL if encoding failed. */ |
| struct msgb *gsm0808_create_common_id(const char *imsi, |
| const struct osmo_plmn_id *selected_plmn_id, |
| const struct osmo_plmn_id *last_used_eutran_plnm_id) |
| { |
| struct msgb *msg; |
| uint8_t *out; |
| struct osmo_mobile_identity mi; |
| int rc; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "COMMON-ID"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_COMMON_ID); |
| |
| /* mandatory IMSI 3.2.2.6 */ |
| mi = (struct osmo_mobile_identity){ .type = GSM_MI_TYPE_IMSI }; |
| OSMO_STRLCPY_ARRAY(mi.imsi, imsi); |
| out = msgb_tl_put(msg, GSM0808_IE_IMSI); |
| rc = osmo_mobile_identity_encode_msgb(msg, &mi, false); |
| if (rc < 0) { |
| msgb_free(msg); |
| return NULL; |
| } |
| /* write the MI value length */ |
| *out = rc; |
| |
| /* not implemented: SNA Access Information */ |
| |
| /* Selected PLMN ID */ |
| if (selected_plmn_id) { |
| msgb_v_put(msg, GSM0808_IE_SELECTED_PLMN_ID); |
| out = msgb_put(msg, 3); |
| osmo_plmn_to_bcd(out, selected_plmn_id); |
| } |
| |
| /* Last used E-UTRAN PLMN ID */ |
| if (last_used_eutran_plnm_id) { |
| msgb_v_put(msg, GSM0808_IE_LAST_USED_EUTRAN_PLMN_ID); |
| out = msgb_put(msg, 3); |
| osmo_plmn_to_bcd(out, last_used_eutran_plnm_id); |
| } |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /*! Prepend a DTAP header to given Message Buffer |
| * \param[in] msgb Message Buffer |
| * \param[in] link_id Link Identifier */ |
| void gsm0808_prepend_dtap_header(struct msgb *msg, uint8_t link_id) |
| { |
| uint8_t *hh = msgb_push(msg, 3); |
| hh[0] = BSSAP_MSG_DTAP; |
| hh[1] = link_id; |
| hh[2] = msg->len - 3; |
| } |
| |
| /*! Create BSSMAP DTAP message |
| * \param[in] msg_l3 Messge Buffer containing Layer3 message |
| * \param[in] link_id Link Identifier |
| * \returns callee-allocated msgb with BSSMAP DTAP message */ |
| struct msgb *gsm0808_create_dtap(struct msgb *msg_l3, uint8_t link_id) |
| { |
| struct dtap_header *header; |
| uint8_t *data; |
| struct msgb *msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, |
| "dtap"); |
| if (!msg) |
| return NULL; |
| |
| /* DTAP header */ |
| msg->l3h = msgb_put(msg, sizeof(*header)); |
| header = (struct dtap_header *) &msg->l3h[0]; |
| header->type = BSSAP_MSG_DTAP; |
| header->link_id = link_id; |
| header->length = msgb_l3len(msg_l3); |
| |
| /* Payload */ |
| data = msgb_put(msg, header->length); |
| memcpy(data, msg_l3->l3h, header->length); |
| |
| return msg; |
| } |
| |
| struct msgb *gsm0808_create_perform_location_request(const struct gsm0808_perform_location_request *params) |
| { |
| struct msgb *msg; |
| uint8_t *out; |
| int rc; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-PERFORM-LOCATION-REQUEST"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_PERFORM_LOCATION_RQST); |
| |
| /* Location Type 3.2.2.63 */ |
| osmo_bssmap_le_ie_enc_location_type(msg, ¶ms->location_type); |
| |
| if (params->imsi.type == GSM_MI_TYPE_IMSI) { |
| /* IMSI 3.2.2.6 */ |
| out = msgb_tl_put(msg, GSM0808_IE_IMSI); |
| rc = osmo_mobile_identity_encode_msgb(msg, ¶ms->imsi, false); |
| if (rc < 0) { |
| msgb_free(msg); |
| return NULL; |
| } |
| /* write the MI value length */ |
| *out = rc; |
| } |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| struct msgb *gsm0808_create_perform_location_response(const struct gsm0808_perform_location_response *params) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-PERFORM-LOCATION-RESPONSE"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_PERFORM_LOCATION_RESPONSE); |
| |
| if (params->location_estimate_present) { |
| uint8_t *l = msgb_tl_put(msg, GSM0808_IE_LOCATION_ESTIMATE); |
| int rc = osmo_gad_raw_write(msg, ¶ms->location_estimate); |
| if (rc < 0) { |
| msgb_free(msg); |
| return NULL; |
| } |
| *l = rc; |
| } |
| |
| if (params->lcs_cause.present) { |
| uint8_t *l = msgb_tl_put(msg, GSM0808_IE_LCS_CAUSE); |
| int rc = osmo_lcs_cause_enc(msg, ¶ms->lcs_cause); |
| if (rc < 0) { |
| msgb_free(msg); |
| return NULL; |
| } |
| *l = rc; |
| } |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| int gsm0808_enc_lcs_cause(struct msgb *msg, const struct lcs_cause_ie *lcs_cause) |
| { |
| uint8_t *l = msgb_tl_put(msg, GSM0808_IE_LCS_CAUSE); |
| int rc = osmo_lcs_cause_enc(msg, lcs_cause); |
| if (rc <= 0) |
| return rc; |
| *l = rc; |
| return rc + 2; |
| } |
| |
| struct msgb *gsm0808_create_perform_location_abort(const struct lcs_cause_ie *lcs_cause) |
| { |
| struct msgb *msg; |
| |
| msg = msgb_alloc_headroom(BSSMAP_MSG_SIZE, BSSMAP_MSG_HEADROOM, "BSSMAP-PERFORM-LOCATION-ABORT"); |
| if (!msg) |
| return NULL; |
| |
| /* Message Type, 3.2.2.1 */ |
| msgb_v_put(msg, BSS_MAP_MSG_PERFORM_LOCATION_ABORT); |
| |
| gsm0808_enc_lcs_cause(msg, lcs_cause); |
| |
| /* prepend header with final length */ |
| msg->l3h = msgb_tv_push(msg, BSSAP_MSG_BSS_MANAGEMENT, msgb_length(msg)); |
| |
| return msg; |
| } |
| |
| /* As per 3GPP TS 48.008 version 11.7.0 Release 11 */ |
| static const struct tlv_definition bss_att_tlvdef = { |
| .def = { |
| [GSM0808_IE_CIRCUIT_IDENTITY_CODE] = { TLV_TYPE_FIXED, 2 }, |
| [GSM0808_IE_CONNECTION_RELEASE_RQSTED] = { TLV_TYPE_TV }, |
| [GSM0808_IE_RESOURCE_AVAILABLE] = { TLV_TYPE_FIXED, 21 }, |
| [GSM0808_IE_CAUSE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_IMSI] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_TMSI] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_NUMBER_OF_MSS] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LAYER_3_HEADER_INFORMATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_ENCRYPTION_INFORMATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CHANNEL_TYPE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_PERIODICITY] = { TLV_TYPE_TV }, |
| [GSM0808_IE_EXTENDED_RESOURCE_INDICATOR]= { TLV_TYPE_TV }, |
| [GSM0808_IE_TOTAL_RESOURCE_ACCESSIBLE] = { TLV_TYPE_FIXED, 4 }, |
| [GSM0808_IE_LSA_IDENTIFIER] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LSA_IDENTIFIER_LIST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LSA_INFORMATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CELL_IDENTIFIER] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_PRIORITY] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CLASSMARK_INFORMATION_T2] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CLASSMARK_INFORMATION_T3] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_INTERFERENCE_BAND_TO_USE] = { TLV_TYPE_TV }, |
| [GSM0808_IE_RR_CAUSE] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LAYER_3_INFORMATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_DLCI] = { TLV_TYPE_TV }, |
| [GSM0808_IE_DOWNLINK_DTX_FLAG] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CELL_IDENTIFIER_LIST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CELL_ID_LIST_SEGMENT] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CELL_ID_LIST_SEG_EST_CELLS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CELL_ID_LIST_SEG_CELLS_TBE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CELL_ID_LIST_SEG_REL_CELLS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CELL_ID_LIST_SEG_NE_CELLS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_RESPONSE_RQST] = { TLV_TYPE_T }, |
| [GSM0808_IE_RESOURCE_INDICATION_METHOD] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CLASSMARK_INFORMATION_TYPE_1] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CIRCUIT_IDENTITY_CODE_LIST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_DIAGNOSTIC] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CHOSEN_CHANNEL] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CIPHER_RESPONSE_MODE] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LAYER_3_MESSAGE_CONTENTS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CHANNEL_NEEDED] = { TLV_TYPE_TV }, |
| [GSM0808_IE_TRACE_TYPE] = { TLV_TYPE_TV }, |
| [GSM0808_IE_TRIGGERID] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_TRACE_REFERENCE] = { TLV_TYPE_TV }, |
| [GSM0808_IE_TRANSACTIONID] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_MOBILE_IDENTITY] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_OMCID] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_FORWARD_INDICATOR] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CHOSEN_ENCR_ALG] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CIRCUIT_POOL] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CIRCUIT_POOL_LIST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_TIME_INDICATION] = { TLV_TYPE_TV }, |
| [GSM0808_IE_RESOURCE_SITUATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CURRENT_CHANNEL_TYPE_1] = { TLV_TYPE_TV }, |
| [GSM0808_IE_QUEUEING_INDICATOR] = { TLV_TYPE_TV }, |
| [GSM0808_IE_SPEECH_VERSION] = { TLV_TYPE_TV }, |
| [GSM0808_IE_ASSIGNMENT_REQUIREMENT] = { TLV_TYPE_TV }, |
| [GSM0808_IE_TALKER_FLAG] = { TLV_TYPE_T }, |
| [GSM0808_IE_GROUP_CALL_REFERENCE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_EMLPP_PRIORITY] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CONFIG_EVO_INDI] = { TLV_TYPE_TV }, |
| [GSM0808_IE_OLD_BSS_TO_NEW_BSS_INFORMATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LCS_QOS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LSA_ACCESS_CTRL_SUPPR] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LCS_PRIORITY] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LOCATION_TYPE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LOCATION_ESTIMATE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_POSITIONING_DATA] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LCS_CAUSE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_APDU] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_NETWORK_ELEMENT_IDENTITY] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_GPS_ASSISTANCE_DATA] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_DECIPHERING_KEYS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_RETURN_ERROR_RQST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_RETURN_ERROR_CAUSE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SEGMENTATION] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SERVICE_HANDOVER] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_UMTS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SOURCE_RNC_TO_TARGET_RNC_TRANSPARENT_CDMA2000] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_GERAN_CLASSMARK] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_GERAN_BSC_CONTAINER] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_NEW_BSS_TO_OLD_BSS_INFO] = { TLV_TYPE_TLV }, |
| [GSM0800_IE_INTER_SYSTEM_INFO] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SNA_ACCESS_INFO] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_VSTK_RAND_INFO] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_PAGING_INFO] = { TLV_TYPE_TV }, |
| [GSM0808_IE_IMEI] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_VELOCITY_ESTIMATE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_VGCS_FEATURE_FLAGS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_TALKER_PRIORITY] = { TLV_TYPE_TV }, |
| [GSM0808_IE_EMERGENCY_SET_INDICATION] = { TLV_TYPE_T }, |
| [GSM0808_IE_TALKER_IDENTITY] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SMS_TO_VGCS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_VGCS_TALKER_MODE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_VGCS_VBS_CELL_STATUS] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_GANSS_ASSISTANCE_DATA] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_GANSS_POSITIONING_DATA] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_GANSS_LOCATION_TYPE] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_APP_DATA] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_DATA_IDENTITY] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_APP_DATA_INFO] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_MSISDN] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_AOIP_TRASP_ADDR] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SPEECH_CODEC_LIST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SPEECH_CODEC] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CALL_ID] = { TLV_TYPE_FIXED, 4 }, |
| [GSM0808_IE_CALL_ID_LIST] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_A_IF_SEL_FOR_RESET] = { TLV_TYPE_TV }, |
| [GSM0808_IE_KC_128] = { TLV_TYPE_FIXED, 16 }, |
| [GSM0808_IE_CSG_IDENTIFIER] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_REDIR_ATTEMPT_FLAG] = { TLV_TYPE_T }, |
| [GSM0808_IE_REROUTE_REJ_CAUSE] = { TLV_TYPE_TV }, |
| [GSM0808_IE_SEND_SEQ_NUM] = { TLV_TYPE_TV }, |
| [GSM0808_IE_REROUTE_COMPL_OUTCOME] = { TLV_TYPE_TV }, |
| [GSM0808_IE_GLOBAL_CALL_REF] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_LCLS_CONFIG] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LCLS_CONN_STATUS_CTRL] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LCLS_CORR_NOT_NEEDED] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LCLS_BSS_STATUS] = { TLV_TYPE_TV }, |
| [GSM0808_IE_LCLS_BREAK_REQ] = { TLV_TYPE_TV }, |
| [GSM0808_IE_CSFB_INDICATION] = { TLV_TYPE_T }, |
| [GSM0808_IE_CS_TO_PS_SRVCC] = { TLV_TYPE_T }, |
| [GSM0808_IE_SRC_ENB_TO_TGT_ENB_TRANSP] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_CS_TO_PS_SRVCC_IND] = { TLV_TYPE_T }, |
| [GSM0808_IE_CN_TO_MS_TRANSP_INFO] = { TLV_TYPE_TLV }, |
| [GSM0808_IE_SELECTED_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
| [GSM0808_IE_LAST_USED_EUTRAN_PLMN_ID] = { TLV_TYPE_FIXED, 3 }, |
| |
| /* Osmocom extensions */ |
| [GSM0808_IE_OSMO_OSMUX_SUPPORT] = { TLV_TYPE_T }, |
| [GSM0808_IE_OSMO_OSMUX_CID] = { TLV_TYPE_TV }, |
| }, |
| }; |
| |
| const struct tlv_definition *gsm0808_att_tlvdef(void) |
| { |
| return &bss_att_tlvdef; |
| } |
| |
| const struct value_string gsm0406_dlci_sapi_names[] = { |
| { DLCI_SAPI_RR_MM_CC, "RR/MM/CC" }, |
| { DLCI_SAPI_SMS, "SMS" }, |
| { 0, NULL } |
| }; |
| |
| static const struct value_string gsm0808_msgt_names[] = { |
| { BSS_MAP_MSG_ASSIGMENT_RQST, "ASSIGNMENT REQ" }, |
| { BSS_MAP_MSG_ASSIGMENT_COMPLETE, "ASSIGNMENT COMPL" }, |
| { BSS_MAP_MSG_ASSIGMENT_FAILURE, "ASSIGNMENT FAIL" }, |
| { BSS_MAP_MSG_CHAN_MOD_RQST, "CHANNEL MODIFY REQUEST" }, |
| |
| { BSS_MAP_MSG_HANDOVER_RQST, "HANDOVER REQ" }, |
| { BSS_MAP_MSG_HANDOVER_REQUIRED, "HANDOVER REQUIRED" }, |
| { BSS_MAP_MSG_HANDOVER_RQST_ACKNOWLEDGE,"HANDOVER REQ ACK" }, |
| { BSS_MAP_MSG_HANDOVER_CMD, "HANDOVER CMD" }, |
| { BSS_MAP_MSG_HANDOVER_COMPLETE, "HANDOVER COMPLETE" }, |
| { BSS_MAP_MSG_HANDOVER_SUCCEEDED, "HANDOVER SUCCESS" }, |
| { BSS_MAP_MSG_HANDOVER_FAILURE, "HANDOVER FAILURE" }, |
| { BSS_MAP_MSG_HANDOVER_PERFORMED, "HANDOVER PERFORMED" }, |
| { BSS_MAP_MSG_HANDOVER_CANDIDATE_ENQUIRE, "HANDOVER CAND ENQ" }, |
| { BSS_MAP_MSG_HANDOVER_CANDIDATE_RESPONSE, "HANDOVER CAND RESP" }, |
| { BSS_MAP_MSG_HANDOVER_REQUIRED_REJECT, "HANDOVER REQ REJ" }, |
| { BSS_MAP_MSG_HANDOVER_DETECT, "HANDOVER DETECT" }, |
| { BSS_MAP_MSG_INT_HANDOVER_REQUIRED, "INT HANDOVER REQ" }, |
| { BSS_MAP_MSG_INT_HANDOVER_REQUIRED_REJ,"INT HANDOVER REQ REJ" }, |
| { BSS_MAP_MSG_INT_HANDOVER_CMD, "INT HANDOVER CMD" }, |
| { BSS_MAP_MSG_INT_HANDOVER_ENQUIRY, "INT HANDOVER ENQ" }, |
| |
| { BSS_MAP_MSG_CLEAR_CMD, "CLEAR COMMAND" }, |
| { BSS_MAP_MSG_CLEAR_COMPLETE, "CLEAR COMPLETE" }, |
| { BSS_MAP_MSG_CLEAR_RQST, "CLEAR REQUEST" }, |
| { BSS_MAP_MSG_SAPI_N_REJECT, "SAPI N REJECT" }, |
| { BSS_MAP_MSG_CONFUSION, "CONFUSION" }, |
| |
| { BSS_MAP_MSG_SUSPEND, "SUSPEND" }, |
| { BSS_MAP_MSG_RESUME, "RESUME" }, |
| { BSS_MAP_MSG_CONNECTION_ORIENTED_INFORMATION, "CONN ORIENT INFO" }, |
| { BSS_MAP_MSG_PERFORM_LOCATION_RQST, "PERFORM LOC REQ" }, |
| { BSS_MAP_MSG_LSA_INFORMATION, "LSA INFORMATION" }, |
| { BSS_MAP_MSG_PERFORM_LOCATION_RESPONSE, "PERFORM LOC RESP" }, |
| { BSS_MAP_MSG_PERFORM_LOCATION_ABORT, "PERFORM LOC ABORT" }, |
| { BSS_MAP_MSG_COMMON_ID, "COMMON ID" }, |
| { BSS_MAP_MSG_REROUTE_CMD, "REROUTE COMMAND" }, |
| { BSS_MAP_MSG_REROUTE_COMPLETE, "REROUTE COMPLETE" }, |
| |
| { BSS_MAP_MSG_RESET, "RESET" }, |
| { BSS_MAP_MSG_RESET_ACKNOWLEDGE, "RESET ACK" }, |
| { BSS_MAP_MSG_OVERLOAD, "OVERLOAD" }, |
| { BSS_MAP_MSG_RESET_CIRCUIT, "RESET CIRCUIT" }, |
| { BSS_MAP_MSG_RESET_CIRCUIT_ACKNOWLEDGE, "RESET CIRCUIT ACK" }, |
| { BSS_MAP_MSG_MSC_INVOKE_TRACE, "MSC INVOKE TRACE" }, |
| { BSS_MAP_MSG_BSS_INVOKE_TRACE, "BSS INVOKE TRACE" }, |
| { BSS_MAP_MSG_CONNECTIONLESS_INFORMATION, "CONNLESS INFO" }, |
| { BSS_MAP_MSG_RESET_IP_RSRC, "RESET IP RESOURCE" }, |
| { BSS_MAP_MSG_RESET_IP_RSRC_ACK, "RESET IP RESOURCE ACK" }, |
| |
| { BSS_MAP_MSG_BLOCK, "BLOCK" }, |
| { BSS_MAP_MSG_BLOCKING_ACKNOWLEDGE, "BLOCK ACK" }, |
| { BSS_MAP_MSG_UNBLOCK, "UNBLOCK" }, |
| { BSS_MAP_MSG_UNBLOCKING_ACKNOWLEDGE, "UNBLOCK ACK" }, |
| { BSS_MAP_MSG_CIRCUIT_GROUP_BLOCK, "CIRC GROUP BLOCK" }, |
| { BSS_MAP_MSG_CIRCUIT_GROUP_BLOCKING_ACKNOWLEDGE, "CIRC GORUP BLOCK ACK" }, |
| { BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCK, "CIRC GROUP UNBLOCK" }, |
| { BSS_MAP_MSG_CIRCUIT_GROUP_UNBLOCKING_ACKNOWLEDGE, "CIRC GROUP UNBLOCK ACK" }, |
| { BSS_MAP_MSG_UNEQUIPPED_CIRCUIT, "UNEQUIPPED CIRCUIT" }, |
| { BSS_MAP_MSG_CHANGE_CIRCUIT, "CHANGE CIRCUIT" }, |
| { BSS_MAP_MSG_CHANGE_CIRCUIT_ACKNOWLEDGE, "CHANGE CIRCUIT ACK" }, |
| |
| { BSS_MAP_MSG_RESOURCE_RQST, "RESOURCE REQ" }, |
| { BSS_MAP_MSG_RESOURCE_INDICATION, "RESOURCE IND" }, |
| { BSS_MAP_MSG_PAGING, "PAGING" }, |
| { BSS_MAP_MSG_CIPHER_MODE_CMD, "CIPHER MODE CMD" }, |
| { BSS_MAP_MSG_CLASSMARK_UPDATE, "CLASSMARK UPDATE" }, |
| { BSS_MAP_MSG_CIPHER_MODE_COMPLETE, "CIPHER MODE COMPLETE" }, |
| { BSS_MAP_MSG_QUEUING_INDICATION, "QUEUING INDICATION" }, |
| { BSS_MAP_MSG_COMPLETE_LAYER_3, "COMPLETE LAYER 3" }, |
| { BSS_MAP_MSG_CLASSMARK_RQST, "CLASSMARK REQ" }, |
| { BSS_MAP_MSG_CIPHER_MODE_REJECT, "CIPHER MODE REJECT" }, |
| { BSS_MAP_MSG_LOAD_INDICATION, "LOAD IND" }, |
| |
| { BSS_MAP_MSG_VGCS_VBS_SETUP, "VGCS/VBS SETUP" }, |
| { BSS_MAP_MSG_VGCS_VBS_SETUP_ACK, "VGCS/VBS SETUP ACK" }, |
| { BSS_MAP_MSG_VGCS_VBS_SETUP_REFUSE, "VGCS/VBS SETUP REFUSE" }, |
| { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RQST, "VGCS/VBS ASSIGN REQ" }, |
| { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_RESULT, "VGCS/VBS ASSIGN RES" }, |
| { BSS_MAP_MSG_VGCS_VBS_ASSIGNMENT_FAILURE, "VGCS/VBS ASSIGN FAIL" }, |
| { BSS_MAP_MSG_VGCS_VBS_QUEUING_INDICATION, "VGCS/VBS QUEUING IND" }, |
| { BSS_MAP_MSG_UPLINK_RQST, "UPLINK REQ" }, |
| { BSS_MAP_MSG_UPLINK_RQST_ACKNOWLEDGE, "UPLINK REQ ACK" }, |
| { BSS_MAP_MSG_UPLINK_RQST_CONFIRMATION, "UPLINK REQ CONF" }, |
| { BSS_MAP_MSG_UPLINK_RELEASE_INDICATION,"UPLINK REL IND" }, |
| { BSS_MAP_MSG_UPLINK_REJECT_CMD, "UPLINK REJ CMD" }, |
| { BSS_MAP_MSG_UPLINK_RELEASE_CMD, "UPLINK REL CMD" }, |
| { BSS_MAP_MSG_UPLINK_SEIZED_CMD, "UPLINK SEIZED CMD" }, |
| { BSS_MAP_MSG_VGCS_ADDL_INFO, "VGCS ADDL INFO" }, |
| { BSS_MAP_MSG_NOTIFICATION_DATA, "NOTIF DATA" }, |
| { BSS_MAP_MSG_UPLINK_APP_DATA, "UPLINK APP DATA" }, |
| |
| { BSS_MAP_MSG_LCLS_CONNECT_CTRL, "LCLS-CONNECT-CONTROL" }, |
| { BSS_MAP_MSG_LCLS_CONNECT_CTRL_ACK, "CLS-CONNECT-CONTROL-ACK" }, |
| { BSS_MAP_MSG_LCLS_NOTIFICATION, "LCLS-NOTIFICATION" }, |
| |
| { 0, NULL } |
| }; |
| |
| /*! Return string name of BSSMAP Message Type */ |
| const char *gsm0808_bssmap_name(uint8_t msg_type) |
| { |
| return get_value_string(gsm0808_msgt_names, msg_type); |
| } |
| |
| static const struct value_string gsm0808_bssap_names[] = { |
| { BSSAP_MSG_BSS_MANAGEMENT, "MANAGEMENT" }, |
| { BSSAP_MSG_DTAP, "DTAP" }, |
| { 0, NULL } |
| }; |
| |
| /*! Return string name of BSSAP Message Type */ |
| const char *gsm0808_bssap_name(uint8_t msg_type) |
| { |
| return get_value_string(gsm0808_bssap_names, msg_type); |
| } |
| |
| const struct value_string gsm0808_speech_codec_type_names[] = { |
| { GSM0808_SCT_FR1, "FR1" }, |
| { GSM0808_SCT_FR2, "FR2" }, |
| { GSM0808_SCT_FR3, "FR3" }, |
| { GSM0808_SCT_FR4, "FR4" }, |
| { GSM0808_SCT_FR5, "FR5" }, |
| { GSM0808_SCT_HR1, "HR1" }, |
| { GSM0808_SCT_HR3, "HR3" }, |
| { GSM0808_SCT_HR4, "HR4" }, |
| { GSM0808_SCT_HR6, "HR6" }, |
| { GSM0808_SCT_CSD, "CSD" }, |
| { 0, NULL } |
| }; |
| |
| const struct value_string gsm0808_permitted_speech_names[] = { |
| { GSM0808_PERM_FR1, "FR1" }, |
| { GSM0808_PERM_FR2, "FR2" }, |
| { GSM0808_PERM_FR3, "FR3" }, |
| { GSM0808_PERM_FR4, "FR4" }, |
| { GSM0808_PERM_FR5, "FR5" }, |
| { GSM0808_PERM_HR1, "HR1" }, |
| { GSM0808_PERM_HR2, "HR2" }, |
| { GSM0808_PERM_HR3, "HR3" }, |
| { GSM0808_PERM_HR4, "HR4" }, |
| { GSM0808_PERM_HR6, "HR6" }, |
| { 0, NULL } |
| }; |
| |
| const struct value_string gsm0808_chosen_enc_alg_names[] = { |
| { GSM0808_ALG_ID_A5_0, "A5/0" }, |
| { GSM0808_ALG_ID_A5_1, "A5/1" }, |
| { GSM0808_ALG_ID_A5_2, "A5/2" }, |
| { GSM0808_ALG_ID_A5_3, "A5/3" }, |
| { GSM0808_ALG_ID_A5_4, "A5/4" }, |
| { GSM0808_ALG_ID_A5_5, "A5/5" }, |
| { GSM0808_ALG_ID_A5_6, "A5/6" }, |
| { GSM0808_ALG_ID_A5_7, "A5/7" }, |
| { 0, NULL } |
| }; |
| |
| static const struct value_string gsm0808_cause_names[] = { |
| { GSM0808_CAUSE_RADIO_INTERFACE_MESSAGE_FAILURE, "RADIO INTERFACE MESSAGE FAILURE" }, |
| { GSM0808_CAUSE_RADIO_INTERFACE_FAILURE, "RADIO INTERFACE FAILURE" }, |
| { GSM0808_CAUSE_UPLINK_QUALITY, "UPLINK QUALITY" }, |
| { GSM0808_CAUSE_UPLINK_STRENGTH, "UPLINK STRENGTH" }, |
| { GSM0808_CAUSE_DOWNLINK_QUALITY, "DOWNLINK QUALITY" }, |
| { GSM0808_CAUSE_DOWNLINK_STRENGTH, "DOWNLINK STRENGTH" }, |
| { GSM0808_CAUSE_DISTANCE, "DISTANCE" }, |
| { GSM0808_CAUSE_O_AND_M_INTERVENTION, "O AND M INTERVENTION" }, |
| { GSM0808_CAUSE_RESPONSE_TO_MSC_INVOCATION, "RESPONSE TO MSC INVOCATION" }, |
| { GSM0808_CAUSE_CALL_CONTROL, "CALL CONTROL" }, |
| { GSM0808_CAUSE_RADIO_INTERFACE_FAILURE_REVERSION, "RADIO INTERFACE FAILURE REVERSION" }, |
| { GSM0808_CAUSE_HANDOVER_SUCCESSFUL, "HANDOVER SUCCESSFUL" }, |
| { GSM0808_CAUSE_BETTER_CELL, "BETTER CELL" }, |
| { GSM0808_CAUSE_DIRECTED_RETRY, "DIRECTED RETRY" }, |
| { GSM0808_CAUSE_JOINED_GROUP_CALL_CHANNEL, "JOINED GROUP CALL CHANNEL" }, |
| { GSM0808_CAUSE_TRAFFIC, "TRAFFIC" }, |
| { GSM0808_CAUSE_REDUCE_LOAD_IN_SERVING_CELL, "REDUCE LOAD IN SERVING CELL" }, |
| { GSM0808_CAUSE_TRAFFIC_LOAD_IN_TGT_HIGHER_THAN_IN_SRC_CELL, "TRAFFIC LOAD IN TGT HIGHER THAN IN SRC CELL" }, |
| { GSM0808_CAUSE_RELOCATION_TRIGGERED, "RELOCATION TRIGGERED" }, |
| { GSM0808_CAUSE_REQUESTED_OPT_NOT_AUTHORISED, "REQUESTED OPT NOT AUTHORISED" }, |
| { GSM0808_CAUSE_ALT_CHAN_CONFIG_REQUESTED, "ALT CHAN CONFIG REQUESTED" }, |
| { GSM0808_CAUSE_RESP_TO_INT_HO_ENQ_MSG, "RESP TO INT HO ENQ MSG" }, |
| { GSM0808_CAUSE_INT_HO_ENQUIRY_REJECT, "INT HO ENQUIRY REJECT" }, |
| { GSM0808_CAUSE_REDUNDANCY_LEVEL_NOT_ADEQUATE, "REDUNDANCY LEVEL NOT ADEQUATE" }, |
| { GSM0808_CAUSE_EQUIPMENT_FAILURE, "EQUIPMENT FAILURE" }, |
| { GSM0808_CAUSE_NO_RADIO_RESOURCE_AVAILABLE, "NO RADIO RESOURCE AVAILABLE" }, |
| { GSM0808_CAUSE_RQSTED_TERRESTRIAL_RESOURCE_UNAVAILABLE, "RQSTED TERRESTRIAL RESOURCE UNAVAILABLE" }, |
| { GSM0808_CAUSE_CCCH_OVERLOAD, "CCCH OVERLOAD" }, |
| { GSM0808_CAUSE_PROCESSOR_OVERLOAD, "PROCESSOR OVERLOAD" }, |
| { GSM0808_CAUSE_BSS_NOT_EQUIPPED, "BSS NOT EQUIPPED" }, |
| { GSM0808_CAUSE_MS_NOT_EQUIPPED, "MS NOT EQUIPPED" }, |
| { GSM0808_CAUSE_INVALID_CELL, "INVALID CELL" }, |
| { GSM0808_CAUSE_TRAFFIC_LOAD, "TRAFFIC LOAD" }, |
| { GSM0808_CAUSE_PREEMPTION, "PREEMPTION" }, |
| { GSM0808_CAUSE_DTM_HO_SGSN_FAILURE, "DTM HO SGSN FAILURE" }, |
| { GSM0808_CAUSE_DTM_HO_PS_ALLOC_FAILURE, "DTM HO PS ALLOC FAILURE" }, |
| { GSM0808_CAUSE_RQSTED_TRANSCODING_RATE_ADAPTION_UNAVAILABLE, "RQSTED TRANSCODING RATE ADAPTION UNAVAILABLE" }, |
| { GSM0808_CAUSE_CIRCUIT_POOL_MISMATCH, "CIRCUIT POOL MISMATCH" }, |
| { GSM0808_CAUSE_SWITCH_CIRCUIT_POOL, "SWITCH CIRCUIT POOL" }, |
| { GSM0808_CAUSE_RQSTED_SPEECH_VERSION_UNAVAILABLE, "RQSTED SPEECH VERSION UNAVAILABLE" }, |
| { GSM0808_CAUSE_LSA_NOT_ALLOWED, "LSA NOT ALLOWED" }, |
| { GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_UNAVAIL, "REQ CODEC TYPE OR CONFIG UNAVAIL" }, |
| { GSM0808_CAUSE_REQ_A_IF_TYPE_UNAVAIL, "REQ A IF TYPE UNAVAIL" }, |
| { GSM0808_CAUSE_INVALID_CSG_CELL, "INVALID CSG CELL" }, |
| { GSM0808_CAUSE_REQ_REDUND_LEVEL_NOT_AVAIL, "REQ REDUND LEVEL NOT AVAIL" }, |
| { GSM0808_CAUSE_CIPHERING_ALGORITHM_NOT_SUPPORTED, "CIPHERING ALGORITHM NOT SUPPORTED" }, |
| { GSM0808_CAUSE_GERAN_IU_MODE_FAILURE, "GERAN IU MODE FAILURE" }, |
| { GSM0808_CAUSE_INC_RELOC_NOT_SUPP_DT_PUESBINE_FEATURE, "INC RELOC NOT SUPP DT PUESBINE FEATURE" }, |
| { GSM0808_CAUSE_ACCESS_RESTRICTED_DUE_TO_SHARED_NETWORKS, "ACCESS RESTRICTED DUE TO SHARED NETWORKS" }, |
| { GSM0808_CAUSE_REQ_CODEC_TYPE_OR_CONFIG_NOT_SUPP, "REQ CODEC TYPE OR CONFIG NOT SUPP" }, |
| { GSM0808_CAUSE_REQ_A_IF_TYPE_NOT_SUPP, "REQ A IF TYPE NOT SUPP" }, |
| { GSM0808_CAUSE_REQ_REDUND_LVL_NOT_SUPP, "REQ REDUND LVL NOT SUPP" }, |
| { GSM0808_CAUSE_TERRESTRIAL_CIRCUIT_ALREADY_ALLOCATED, "TERRESTRIAL CIRCUIT ALREADY ALLOCATED" }, |
| { GSM0808_CAUSE_INVALID_MESSAGE_CONTENTS, "INVALID MESSAGE CONTENTS" }, |
| { GSM0808_CAUSE_INFORMATION_ELEMENT_OR_FIELD_MISSING, "INFORMATION ELEMENT OR FIELD MISSING" }, |
| { GSM0808_CAUSE_INCORRECT_VALUE, "INCORRECT VALUE" }, |
| { GSM0808_CAUSE_UNKNOWN_MESSAGE_TYPE, "UNKNOWN MESSAGE TYPE" }, |
| { GSM0808_CAUSE_UNKNOWN_INFORMATION_ELEMENT, "UNKNOWN INFORMATION ELEMENT" }, |
| { GSM0808_CAUSE_DTM_HO_INVALID_PS_IND, "DTM HO INVALID PS IND" }, |
| { GSM0808_CAUSE_CALL_ID_ALREADY_ALLOC, "CALL ID ALREADY ALLOC" }, |
| { GSM0808_CAUSE_PROTOCOL_ERROR_BETWEEN_BSS_AND_MSC, "PROTOCOL ERROR BETWEEN BSS AND MSC" }, |
| { GSM0808_CAUSE_VGCS_VBS_CALL_NON_EXISTENT, "VGCS VBS CALL NON EXISTENT" }, |
| { GSM0808_CAUSE_DTM_HO_TIMER_EXPIRY, "DTM HO TIMER EXPIRY" }, |
| { 0, NULL } |
| }; |
| |
| static const struct value_string gsm0808_cause_class_names[] = { |
| { GSM0808_CAUSE_CLASS_NORM0, "Normal event" }, |
| { GSM0808_CAUSE_CLASS_NORM1, "Normal event" }, |
| { GSM0808_CAUSE_CLASS_RES_UNAVAIL, "Resource unavailable" }, |
| { GSM0808_CAUSE_CLASS_SRV_OPT_NA, "Service or option not available" }, |
| { GSM0808_CAUSE_CLASS_SRV_OPT_NIMPL, "Service or option not implemented" }, |
| { GSM0808_CAUSE_CLASS_INVAL, "Invalid message" }, |
| { GSM0808_CAUSE_CLASS_PERR, "Protocol error" }, |
| { GSM0808_CAUSE_CLASS_INTW, "Interworking" }, |
| { 0, NULL } |
| }; |
| |
| /*! Return string name of BSSMAP Cause Class name */ |
| const char *gsm0808_cause_class_name(enum gsm0808_cause_class class) |
| { |
| return get_value_string(gsm0808_cause_class_names, class); |
| } |
| |
| /*! Return string name of BSSMAP Cause name */ |
| const char *gsm0808_cause_name(enum gsm0808_cause cause) |
| { |
| return get_value_string(gsm0808_cause_names, cause); |
| } |
| |
| enum gsm0808_cause gsm0808_get_cause(const struct tlv_parsed *tp) |
| { |
| const uint8_t *buf = TLVP_VAL_MINLEN(tp, GSM0808_IE_CAUSE, 1); |
| |
| if (!buf) |
| return -EBADMSG; |
| |
| if (TLVP_LEN(tp, GSM0808_IE_CAUSE) > 1) { |
| if (!gsm0808_cause_ext(buf[0])) |
| return -EINVAL; |
| return buf[1]; |
| } |
| |
| return buf[0]; |
| } |
| |
| const char *gsm0808_diagnostics_octet_location_str(uint8_t pointer) |
| { |
| switch (pointer) { |
| case 0: |
| return "Error location not determined"; |
| case 1: |
| return "The first octet of the message received (i.e. the message type) was found erroneous (unknown)"; |
| case 0xfd: |
| return "The first octet of the BSSAP header (Discrimination) was found erroneous"; |
| case 0xfe: |
| return "(DTAP only) The DLCI (second) octet of the BSSAP header was found erroneous"; |
| case 0xff: |
| return "The last octet of the BSSAP header (length indicator) was found erroneous"; |
| default: |
| snprintf(str_buff, sizeof(str_buff), "The %d octet of the message received was found erroneous", pointer); |
| return str_buff; |
| } |
| } |
| |
| const char *gsm0808_diagnostics_bit_location_str(uint8_t bit_pointer) |
| { |
| if (bit_pointer == 0) { |
| return "No particular part of the octet is indicated"; |
| } else if (bit_pointer > 8) { |
| return "Reserved value"; |
| } |
| |
| snprintf(str_buff, sizeof(str_buff), |
| "An error was provoked by the field whose most significant bit is in bit position %d", |
| bit_pointer); |
| return str_buff; |
| } |
| |
| const struct value_string gsm0808_lcls_config_names[] = { |
| { GSM0808_LCLS_CFG_BOTH_WAY, "Connect both-way" }, |
| { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL, |
| "Connect both-way, bi-cast UL to CN" }, |
| { GSM0808_LCLS_CFG_BOTH_WAY_AND_SEND_DL, |
| "Connect both-way, send access DL from CN" }, |
| { GSM0808_LCLS_CFG_BOTH_WAY_AND_SEND_DL_BLOCK_LOCAL_DL, |
| "Connect both-way, send access DL from CN, block local DL" }, |
| { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL_SEND_DL, |
| "Connect both-way, bi-cast UL to CN, send access DL from CN" }, |
| { GSM0808_LCLS_CFG_BOTH_WAY_AND_BICAST_UL_SEND_DL_BLOCK_LOCAL_DL, |
| "Connect both-way, bi-cast UL to CN, send access DL from CN, block local DL" }, |
| { GSM0808_LCLS_CFG_NA, "Not available" }, |
| { 0, NULL } |
| }; |
| |
| const struct value_string gsm0808_lcls_control_names[] = { |
| { GSM0808_LCLS_CSC_CONNECT, "Connect" }, |
| { GSM0808_LCLS_CSC_DO_NOT_CONNECT, "Do not connect" }, |
| { GSM0808_LCLS_CSC_RELEASE_LCLS, "Release LCLS" }, |
| { GSM0808_LCLS_CSC_BICAST_UL_AT_HANDOVER, "Bi-cast UL at Handover" }, |
| { GSM0808_LCLS_CSC_BICAST_UL_AND_RECV_DL_AT_HANDOVER, "Bi-cast UL and receive DL at Handover" }, |
| { GSM0808_LCLS_CSC_NA, "Not available" }, |
| { 0, NULL } |
| }; |
| |
| const struct value_string gsm0808_lcls_status_names[] = { |
| { GSM0808_LCLS_STS_NOT_YET_LS, "Call not yet locally switched" }, |
| { GSM0808_LCLS_STS_NOT_POSSIBLE_LS, "Call not possible to be locally switched" }, |
| { GSM0808_LCLS_STS_NO_LONGER_LS, "Call is no longer locally switched" }, |
| { GSM0808_LCLS_STS_REQ_LCLS_NOT_SUPP, "Requested LCLS configuration is not supported" }, |
| { GSM0808_LCLS_STS_LOCALLY_SWITCHED, "Call is locally switched with requested LCLS config" }, |
| { GSM0808_LCLS_STS_NA, "Not available" }, |
| { 0, NULL } |
| }; |
| |
| /*! @} */ |