| /*! \addtogroup gsm0808 |
| * @{ |
| * \file gsm0808_utils.h */ |
| /* |
| * (C) 2016 by sysmocom - s.f.m.c. GmbH, Author: Philipp Maier |
| * 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, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| #pragma once |
| |
| struct sockaddr_storage; |
| |
| #include <osmocom/gsm/protocol/gsm_08_08.h> |
| #include <osmocom/gsm/protocol/gsm_04_08.h> |
| #include <osmocom/gsm/gsm29205.h> |
| #include <osmocom/gsm/gsm23003.h> |
| #include <osmocom/gsm/gsm_utils.h> |
| #include <osmocom/gsm/tlv.h> |
| #include <osmocom/gsm/gsm48.h> |
| #include <osmocom/core/endian.h> |
| |
| /*! (225-1)/2 is the maximum number of elements in a cell identifier list. */ |
| #define GSM0808_CELL_ID_LIST2_MAXLEN 127 |
| |
| /*! Instead of this, use either struct gsm0808_cell_id or gsm0808_cell_id_list2. |
| * All elements contain parsed representations of the data in the corresponding IE, in host-byte order. |
| */ |
| union gsm0808_cell_id_u { |
| struct osmo_cell_global_id global; |
| struct osmo_lac_and_ci_id lac_and_ci; |
| uint16_t ci; |
| struct osmo_location_area_id lai_and_lac; |
| uint16_t lac; |
| struct osmo_service_area_id sai; |
| /* osmocom specific: */ |
| struct osmo_cell_global_id_ps global_ps; |
| }; |
| |
| /*! Parsed representation of Cell Identifier IE (3GPP TS 48.008 3.2.2.17) */ |
| struct gsm0808_cell_id { |
| enum CELL_IDENT id_discr; |
| union gsm0808_cell_id_u id; |
| }; |
| |
| /*! Parsed representation of a Cell Identifier List IE (3GPP TS 48.008 3.2.2.27). */ |
| struct gsm0808_cell_id_list2 { |
| enum CELL_IDENT id_discr; |
| union gsm0808_cell_id_u id_list[GSM0808_CELL_ID_LIST2_MAXLEN]; |
| unsigned int id_list_len; |
| }; |
| |
| /*! Packed representation of a Priority IE (GGPP TS 48.008 3.2.2.18) */ |
| struct gsm0808_priority { |
| #if OSMO_IS_LITTLE_ENDIAN |
| uint8_t pvi:1, /* Preemption Vulnerability indicator */ |
| qa:1, /* Queuing allowed indicator */ |
| priority_level:4, /* Priority level: 1 == hightest, 14 == lowest */ |
| pci:1, /* Preemption Capability indicator */ |
| spare:1; |
| #elif OSMO_IS_BIG_ENDIAN |
| /* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */ |
| uint8_t spare:1, pci:1, priority_level:4, qa:1, pvi:1; |
| #endif |
| } __attribute__ ((packed)); |
| |
| /*! Packed representation of a VGCS Feature Flags IE (3GPP TS 48.008 3.2.2.88) */ |
| struct gsm0808_vgcs_feature_flags { |
| #if OSMO_IS_LITTLE_ENDIAN |
| uint8_t tp_ind:1, /* Talker priority supported */ |
| as_ind_circuit:1, /* A-interface circuit sharing supported */ |
| as_ind_link:1, /* A-interface link sharing supported */ |
| bss_res:1, /* BSS supports re-establishment */ |
| tcp:1, /* Talker channel parameter supported */ |
| spare:3; |
| #elif OSMO_IS_BIG_ENDIAN |
| /* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */ |
| uint8_t spare:3, tcp:1, bss_res:1, as_ind_link:1, as_ind_circuit:1, tp_ind:1; |
| #endif |
| } __attribute__ ((packed)); |
| |
| /* TS 48.008 3.2.2.52 */ |
| enum gsm0808_assignment_requirement { |
| GSM0808_ASRQ_DELAY_ALLOWED = 0x00, |
| GSM0808_ASRQ_IMMEDIATE = 0x01, |
| GSM0808_ASRQ_IMMEDIATE_ON_DEMAND = 0x02, |
| }; |
| |
| /* TS 48.008 Table 10.5.8 */ |
| enum gsm0808_service_flag { |
| GSM0808_SF_VBS = 0, |
| GSM0808_SF_VGCS = 1, |
| }; |
| |
| enum gsm0808_call_priority { |
| GSM0808_CALL_PRIORITY_NONE = 0x00, |
| GSM0808_CALL_PRIORITY_LEVEL_4 = 0x01, |
| GSM0808_CALL_PRIORITY_LEVEL_3 = 0x02, |
| GSM0808_CALL_PRIORITY_LEVEL_2 = 0x03, |
| GSM0808_CALL_PRIORITY_LEVEL_1 = 0x04, |
| GSM0808_CALL_PRIORITY_LEVEL_0 = 0x05, |
| GSM0808_CALL_PRIORITY_LEVEL_B = 0x06, |
| GSM0808_CALL_PRIORITY_LEVEL_A = 0x07, |
| }; |
| |
| /*! Packed representation of a Group Call Reference IE (3GPP TS 48.008 3.2.2.55) */ |
| struct gsm0808_group_callref { |
| #if OSMO_IS_LITTLE_ENDIAN |
| uint8_t call_ref_hi[3]; |
| uint8_t call_priority:3, |
| af:1, /* Acknowledgement flag */ |
| sf:1, /* Service flag */ |
| call_ref_lo:3; |
| uint8_t spare:4, |
| ciphering_info:4; |
| #elif OSMO_IS_BIG_ENDIAN |
| /* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */ |
| uint8_t call_ref_hi[3]; |
| uint8_t call_ref_lo:3, sf:1, af:1, call_priority:3; |
| uint8_t ciphering_info:4, spare:4; |
| #endif |
| } __attribute__ ((packed)); |
| |
| /* TS 48.008 3.2.2.26 */ |
| enum gsm0808_downlink_dtx_flag { |
| GSM0808_DTX_FLAG_ALLOW = 0, |
| GSM0808_DTX_FLAG_FORBID = 1, |
| }; |
| |
| /*! Parsed representation of a Cell Identifier List Segment IE (3GPP TS 48.008 3.2.2.27a) */ |
| struct gsm0808_cell_id_list_segment { |
| uint8_t seq_last; |
| uint8_t seq_number; |
| struct gsm0808_cell_id_list2 cil; |
| }; |
| |
| /*! Parsed representation of a Circuit Pool List IE (3GPP TS 48.008 3.2.2.26) */ |
| #define CIRCUIT_POOL_LIST_MAXLEN 252 |
| struct gsm0808_circuit_pool_list { |
| uint8_t pool[CIRCUIT_POOL_LIST_MAXLEN]; |
| unsigned int list_len; |
| }; |
| |
| /* 3GPP TS 48.008 Table 3.2.2.90.1 Talker Priority */ |
| enum gsm0808_talker_priority { |
| GSM0808_TALKER_PRIORITY_NORMAL = 0x00, |
| GSM0808_TALKER_PRIORITY_PRIVILEGED = 0x01, |
| GSM0808_TALKER_PRIORITY_EMERGENCY = 0x02, |
| }; |
| |
| /*! Parsed representation of a Layer 3 Information IE (3GPP TS 48.008 3.2.2.24) */ |
| #define LAYER_3_INFORMATION_MAXLEN 252 |
| struct gsm0808_layer_3_information { |
| uint8_t l3[LAYER_3_INFORMATION_MAXLEN]; |
| unsigned int l3_len; |
| }; |
| |
| /*! Parsed representation of a Talker Identity IE (3GPP TS 48.008 3.2.2.91) */ |
| #define TALKER_IDENTITY_MAXLEN 17 |
| struct gsm0808_talker_identity { |
| uint8_t talker_id[TALKER_IDENTITY_MAXLEN]; |
| unsigned int id_bits; |
| }; |
| |
| /* 3GPP TS 48.008 3.2.2.94 VGCS/VBS Cell Status */ |
| enum gsm0808_vgcs_vbs_cell_status { |
| GSM0808_CSTAT_ESTABLISHED = 0x00, |
| GSM0808_CSTAT_NOT_ESTABLISHED1 = 0x01, |
| GSM0808_CSTAT_RELEASED_NO_USER = 0x02, |
| GSM0808_CSTAT_NOT_ESTABLISHED2 = 0x03, |
| }; |
| |
| /*! Parsed representation of a SMS to VGCS IE (3GPP TS 48.008 3.2.2.92) */ |
| #define SMS_TO_VGCS_MAXLEN 252 |
| struct gsm0808_sms_to_vgcs { |
| uint8_t sms[SMS_TO_VGCS_MAXLEN]; |
| unsigned int sms_len; |
| }; |
| |
| /*! Parsed representation of a Application Data IE (3GPP TS 48.008 3.2.2.98) */ |
| #define APP_DATA_MAXLEN 9 |
| struct gsm0808_application_data { |
| uint8_t data[APP_DATA_MAXLEN]; |
| unsigned int data_len; |
| }; |
| |
| /*! Packed representation of a Data Identity IE (GGPP TS 48.008 3.2.2.99) */ |
| enum gsm0808_application_idndicator { |
| GSM0808_AI_APP_DATA = 0x00, |
| GSM0808_AI_CONFIRM_APP_DATA = 0x01, |
| }; |
| |
| #define GSM0808_DP_MASK_TALKERS_LISTENERS 0x04 |
| #define GSM0808_DP_MASK_DISPATCHERS 0x02 |
| #define GSM0808_DP_MASK_NETWORK_APP 0x01 |
| |
| struct gsm0808_data_identity { |
| #if OSMO_IS_LITTLE_ENDIAN |
| uint8_t ai:1, /* Application Indicator */ |
| di:4, /* Data identifier */ |
| dp:3; /* Distribution parameter (bit mask) */ |
| #elif OSMO_IS_BIG_ENDIAN |
| /* auto-generated from the little endian part above (libosmocore/contrib/struct_endianness.py) */ |
| uint8_t dp:3, di:4, ai:1; |
| #endif |
| } __attribute__ ((packed)); |
| |
| /*! Parsed representation of a MSISDN IE (3GPP TS 48.008 3.2.2.101) */ |
| #define MSISDN_MAXLEN 20 |
| |
| /*! LCLS-related parameters from 3GPP TS 48.008 */ |
| struct osmo_lcls { |
| enum gsm0808_lcls_config config; /**< §3.2.2.116 Configuration */ |
| enum gsm0808_lcls_control control; /**< §3.2.2.117 Connection Status Control */ |
| struct osmo_gcr_parsed gcr; /**< §3.2.2.115 Global Call Reference */ |
| bool gcr_available; |
| bool corr_needed; /**< §3.2.2.118 Correlation-Not-Needed */ |
| }; |
| |
| char *osmo_lcls_dump(const struct osmo_lcls *lcls); |
| char *osmo_lcls_dump_buf(char *buf, size_t buf_len, const struct osmo_lcls *lcls); |
| char *osmo_lcls_dump_c(void *ctx, const struct osmo_lcls *lcls); |
| char *osmo_gcr_dump(const struct osmo_lcls *lcls); |
| char *osmo_gcr_dump_buf(char *buf, size_t buf_len, const struct osmo_lcls *lcls); |
| |
| extern const struct value_string gsm0808_cell_id_discr_names[]; |
| static inline const char *gsm0808_cell_id_discr_name(enum CELL_IDENT id_discr) |
| { return get_value_string(gsm0808_cell_id_discr_names, id_discr); } |
| |
| const char *gsm0808_cell_id_name(const struct gsm0808_cell_id *cid); |
| const char *gsm0808_cell_id_name2(const struct gsm0808_cell_id *cid); |
| char *gsm0808_cell_id_name_buf(char *buf, size_t buflen, const struct gsm0808_cell_id *cid); |
| char *gsm0808_cell_id_name_c(const void *ctx, const struct gsm0808_cell_id *cid); |
| const char *gsm0808_cell_id_list_name(const struct gsm0808_cell_id_list2 *cil); |
| int gsm0808_cell_id_list_name_buf(char *buf, size_t buflen, const struct gsm0808_cell_id_list2 *cil); |
| char *gsm0808_cell_id_list_name_c(const void *ctx, const struct gsm0808_cell_id_list2 *cil); |
| int gsm0808_cell_id_u_name(char *buf, size_t buflen, |
| enum CELL_IDENT id_discr, const union gsm0808_cell_id_u *u); |
| bool gsm0808_cell_ids_match(const struct gsm0808_cell_id *id1, const struct gsm0808_cell_id *id2, bool exact_match); |
| int gsm0808_cell_id_matches_list(const struct gsm0808_cell_id *id, const struct gsm0808_cell_id_list2 *list, |
| unsigned int match_nr, bool exact_match); |
| void gsm0808_cell_id_from_cgi(struct gsm0808_cell_id *cid, enum CELL_IDENT id_discr, |
| const struct osmo_cell_global_id *cgi); |
| int gsm0808_cell_id_to_cgi(struct osmo_cell_global_id *cgi, const struct gsm0808_cell_id *cid); |
| void gsm0808_msgb_put_cell_id_u(struct msgb *msg, enum CELL_IDENT id_discr, const union gsm0808_cell_id_u *u); |
| int gsm0808_decode_cell_id_u(union gsm0808_cell_id_u *out, enum CELL_IDENT discr, const uint8_t *buf, unsigned int len); |
| int gsm0808_cell_id_size(enum CELL_IDENT discr); |
| |
| uint8_t gsm0808_enc_cause(struct msgb *msg, uint16_t cause); |
| uint8_t gsm0808_enc_aoip_trasp_addr(struct msgb *msg, |
| const struct sockaddr_storage *ss); |
| int gsm0808_dec_aoip_trasp_addr(struct sockaddr_storage *ss, |
| const uint8_t *elem, uint8_t len); |
| int gsm0808_dec_osmux_cid(uint8_t *cid, const uint8_t *elem, uint8_t len); |
| |
| uint8_t gsm0808_enc_lcls(struct msgb *msg, const struct osmo_lcls *lcls); |
| int gsm0808_dec_lcls(struct osmo_lcls *lcls, const struct tlv_parsed *tp); |
| |
| uint8_t gsm0808_enc_speech_codec(struct msgb *msg, |
| const struct gsm0808_speech_codec *sc) |
| OSMO_DEPRECATED("use gsm0808_enc_speech_codec2() instead"); |
| int gsm0808_enc_speech_codec2(struct msgb *msg, |
| const struct gsm0808_speech_codec *sc); |
| int gsm0808_dec_speech_codec(struct gsm0808_speech_codec *sc, |
| const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_speech_codec_list(struct msgb *msg, |
| const struct gsm0808_speech_codec_list *scl) |
| OSMO_DEPRECATED("use gsm0808_enc_speech_codec_list2() instead"); |
| int gsm0808_enc_speech_codec_list2(struct msgb *msg, |
| const struct gsm0808_speech_codec_list *scl); |
| int gsm0808_dec_speech_codec_list(struct gsm0808_speech_codec_list *scl, |
| const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_channel_type(struct msgb *msg, |
| const struct gsm0808_channel_type *ct); |
| int gsm0808_dec_channel_type(struct gsm0808_channel_type *ct, |
| const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_encrypt_info(struct msgb *msg, |
| const struct gsm0808_encrypt_info *ei); |
| int gsm0808_dec_encrypt_info(struct gsm0808_encrypt_info *ei, |
| const uint8_t *elem, uint8_t len); |
| int gsm0808_enc_kc128(struct msgb *msg, const uint8_t *kc128); |
| int gsm0808_dec_kc128(uint8_t *kc128, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_cell_id_list2(struct msgb *msg, const struct gsm0808_cell_id_list2 *cil); |
| uint8_t gsm0808_enc_cell_id_list(struct msgb *msg, |
| const struct gsm0808_cell_id_list *cil) |
| OSMO_DEPRECATED("use gsm0808_enc_cell_id_list2 instead"); |
| int gsm0808_dec_cell_id_list2(struct gsm0808_cell_id_list2 *cil, const uint8_t *elem, uint8_t len); |
| int gsm0808_dec_cell_id_list(struct gsm0808_cell_id_list *cil, |
| const uint8_t *elem, uint8_t len) |
| OSMO_DEPRECATED("use gsm0808_dec_cell_id_list2 instead"); |
| int gsm0808_cell_id_list_add(struct gsm0808_cell_id_list2 *dst, const struct gsm0808_cell_id_list2 *src); |
| void gsm0808_cell_id_to_list(struct gsm0808_cell_id_list2 *dst, const struct gsm0808_cell_id *src); |
| uint8_t gsm0808_enc_cell_id(struct msgb *msg, const struct gsm0808_cell_id *ci); |
| int gsm0808_dec_cell_id(struct gsm0808_cell_id *ci, const uint8_t *elem, uint8_t len); |
| int gsm0808_chan_type_to_speech_codec(uint8_t perm_spch); |
| int gsm0808_speech_codec_from_chan_type(struct gsm0808_speech_codec *sc, |
| uint8_t perm_spch); |
| uint16_t gsm0808_sc_cfg_from_gsm48_mr_cfg(const struct gsm48_multi_rate_conf *cfg, bool fr); |
| int gsm48_mr_cfg_from_gsm0808_sc_cfg(struct gsm48_multi_rate_conf *cfg, uint16_t s15_s0); |
| |
| /*! \returns 3GPP TS 08.08 §3.2.2.5 Class of a given Cause */ |
| static inline enum gsm0808_cause_class gsm0808_cause_class(enum gsm0808_cause cause) |
| { |
| return (cause >> 4) & 0x7; |
| } |
| |
| /*! \returns true if 3GPP TS 08.08 §3.2.2.5 Class has extended bit set */ |
| static inline bool gsm0808_cause_ext(enum gsm0808_cause cause) |
| { |
| /* check that cause looks like 1XXX0000 where XXX represent class */ |
| return (cause & 0x80) && !(cause & 0x0F); |
| } |
| |
| int gsm0808_get_cipher_reject_cause(const struct tlv_parsed *tp) |
| OSMO_DEPRECATED("Use gsm0808_get_cause() instead"); |
| |
| /*! \returns 3GPP TS 48.008 3.2.2.49 Current Channel Type 1 from enum gsm_chan_t. */ |
| static inline uint8_t gsm0808_current_channel_type_1(enum gsm_chan_t type) |
| { |
| switch (type) { |
| default: |
| return 0; |
| case GSM_LCHAN_SDCCH: |
| return 0x01; |
| case GSM_LCHAN_TCH_F: |
| return 0x18; |
| case GSM_LCHAN_TCH_H: |
| return 0x19; |
| } |
| } |
| |
| /*! Return 3GPP TS 48.008 3.2.2.51 Speech Version aka permitted speech version indication in 3.2.2.11 |
| * Channel Type. */ |
| static inline enum gsm0808_permitted_speech gsm0808_permitted_speech(enum gsm_chan_t type, |
| enum gsm48_chan_mode mode) |
| { |
| #define MODE_TYPE(mode, type) ((mode << 16) | type) |
| |
| switch (MODE_TYPE(mode, type)) { |
| case MODE_TYPE(GSM48_CMODE_SPEECH_V1, GSM_LCHAN_TCH_F): |
| return GSM0808_PERM_FR1; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_V1, GSM_LCHAN_TCH_H): |
| return GSM0808_PERM_HR1; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_EFR, GSM_LCHAN_TCH_F): |
| return GSM0808_PERM_FR2; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_EFR, GSM_LCHAN_TCH_H): |
| return GSM0808_PERM_HR2; /* (deprecated) */ |
| case MODE_TYPE(GSM48_CMODE_SPEECH_AMR, GSM_LCHAN_TCH_F): |
| return GSM0808_PERM_FR3; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_AMR, GSM_LCHAN_TCH_H): |
| return GSM0808_PERM_HR3; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_V4, GSM_LCHAN_TCH_F): |
| return GSM0808_PERM_FR4; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_V4, GSM_LCHAN_TCH_H): |
| return GSM0808_PERM_HR4; |
| case MODE_TYPE(GSM48_CMODE_SPEECH_V5, GSM_LCHAN_TCH_F): |
| return GSM0808_PERM_FR5; /* FR only */ |
| case MODE_TYPE(GSM48_CMODE_SPEECH_V6, GSM_LCHAN_TCH_H): |
| return GSM0808_PERM_HR6; /* HR only */ |
| default: |
| return 0; |
| } |
| |
| #undef MODE_TYPE |
| } |
| |
| /*! Return 3GPP TS 48.008 3.2.2.33 Chosen Channel. */ |
| static inline uint8_t gsm0808_chosen_channel(enum gsm_chan_t type, enum gsm48_chan_mode mode) |
| { |
| uint8_t channel_mode = 0, channel = 0; |
| |
| switch (mode) { |
| case GSM48_CMODE_SPEECH_V1: |
| case GSM48_CMODE_SPEECH_EFR: |
| case GSM48_CMODE_SPEECH_AMR: |
| case GSM48_CMODE_SPEECH_V4: |
| case GSM48_CMODE_SPEECH_V5: |
| case GSM48_CMODE_SPEECH_V6: |
| channel_mode = 0x9; |
| break; |
| case GSM48_CMODE_SIGN: |
| channel_mode = 0x8; |
| break; |
| case GSM48_CMODE_DATA_14k5: |
| channel_mode = 0xe; |
| break; |
| case GSM48_CMODE_DATA_12k0: |
| channel_mode = 0xb; |
| break; |
| case GSM48_CMODE_DATA_6k0: |
| channel_mode = 0xc; |
| break; |
| case GSM48_CMODE_DATA_3k6: |
| channel_mode = 0xd; |
| break; |
| case GSM48_CMODE_DATA_29k0: |
| channel_mode = 0x1; |
| break; |
| case GSM48_CMODE_DATA_32k0: |
| channel_mode = 0x2; |
| break; |
| case GSM48_CMODE_DATA_43k5: |
| channel_mode = 0x3; |
| break; |
| case GSM48_CMODE_DATA_43k5_14k5: |
| channel_mode = 0x4; |
| break; |
| case GSM48_CMODE_DATA_29k0_14k5: |
| channel_mode = 0x5; |
| break; |
| case GSM48_CMODE_DATA_43k5_29k0: |
| channel_mode = 0x6; |
| break; |
| case GSM48_CMODE_DATA_14k5_43k5: |
| channel_mode = 0x7; |
| break; |
| case GSM48_CMODE_DATA_14k5_29k0: |
| channel_mode = 0xa; |
| break; |
| case GSM48_CMODE_DATA_29k0_43k5: |
| channel_mode = 0xf; |
| break; |
| default: |
| return 0; |
| } |
| |
| switch (type) { |
| case GSM_LCHAN_NONE: |
| channel = 0x0; |
| break; |
| case GSM_LCHAN_SDCCH: |
| channel = 0x1; |
| break; |
| case GSM_LCHAN_TCH_F: |
| channel = 0x8; |
| break; |
| case GSM_LCHAN_TCH_H: |
| channel = 0x9; |
| break; |
| /* TODO: more than 1 TCHs? */ |
| default: |
| return 0; |
| } |
| |
| return channel_mode << 4 | channel; |
| } |
| |
| const char *gsm0808_channel_type_name(const struct gsm0808_channel_type *ct); |
| char *gsm0808_channel_type_name_buf(char *buf, size_t buf_len, const struct gsm0808_channel_type *ct); |
| char *gsm0808_channel_type_name_c(const void *ctx, const struct gsm0808_channel_type *ct); |
| |
| uint8_t gsm0808_enc_group_callref(struct msgb *msg, const struct gsm0808_group_callref *gc); |
| int gsm0808_dec_group_callref(struct gsm0808_group_callref *gc, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_priority(struct msgb *msg, const struct gsm0808_priority *pri); |
| int gsm0808_dec_priority(struct gsm0808_priority *pri, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_vgcs_feature_flags(struct msgb *msg, const struct gsm0808_vgcs_feature_flags *ff); |
| int gsm0808_dec_vgcs_feature_flags(struct gsm0808_vgcs_feature_flags *ff, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_talker_identity(struct msgb *msg, const struct gsm0808_talker_identity *ti); |
| int gsm0808_dec_talker_identity(struct gsm0808_talker_identity *ti, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_data_identity(struct msgb *msg, const struct gsm0808_data_identity *ai); |
| int gsm0808_dec_data_identity(struct gsm0808_data_identity *ai, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_msisdn(struct msgb *msg, const char *msisdn); |
| int gsm0808_dec_msisdn(char *msisdn, const char *elem, uint8_t len); |
| uint8_t gsm0808_enc_assign_req(struct msgb *msg, const enum gsm0808_assignment_requirement ar); |
| int gsm0808_dec_assign_req(enum gsm0808_assignment_requirement *ar, const uint8_t *elem, uint8_t len); |
| uint8_t gsm0808_enc_cell_id_list_segment(struct msgb *msg, uint8_t ie_type, |
| const struct gsm0808_cell_id_list_segment *ci); |
| int gsm0808_dec_cell_id_list_segment(struct gsm0808_cell_id_list_segment *ci, const uint8_t *elem, uint8_t len); |
| int gsm0808_dec_call_id(uint32_t *ci, const uint8_t *elem, uint8_t len); |
| |
| /*! @} */ |