/* * (C) 2009,2010 by Holger Hans Peter Freyther * (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 #include #include #include #include /*! \addtogroup gsm0808 * @{ * \file gsm0808.c * Helper functions regarding the TS 08.08 / 48.008 A interface, primarily * message generation/encoding. */ /*! 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); } /* and the optional BSS message */ 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 * \returns callee-allocated msgb with BSSMAP SAPI N Reject message */ struct msgb *gsm0808_create_sapi_reject(uint8_t link_id) { 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_v_put(msg, link_id); msgb_v_put(msg, GSM0808_CAUSE_BSS_NOT_EQUIPPED); 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. * 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) { ci_sw = osmo_htonl(*ci); 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 */ 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) 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) 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) 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) 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; } /*! 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; } /* 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); } 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 } }; /*! @} */