mirror of https://gerrit.osmocom.org/libosmocore
129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
#pragma once
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#include <stdint.h>
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#include <osmocom/core/utils.h>
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/* CBSP is an ETSI/3GPP standard protocol used between CBC (Cell
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* Brodadcast Centre) and BSC (Base Station Controller) in 2G/GSM/GERAN
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* networks. It is specified in 3GPP TS 48.049.
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*
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* (C) 2019 by Harald Welte <laforge@gnumonks.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Released under the terms of the GNU General Public License, Version 2 or
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* (at your option) any later version.
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*/
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/* 5.2 TCP/IP */
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#define CBSP_TCP_PORT 48049
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/* 8.2.1 Information Element Identifiers */
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enum cbsp_iei {
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CBSP_IEI_MSG_CONTENT = 0x01,
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CBSP_IEI_OLD_SERIAL_NR = 0x02,
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CBSP_IEI_NEW_SERIAL_NR = 0x03,
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CBSP_IEI_CELL_LIST = 0x04,
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CBSP_IEI_CATEGORY = 0x05,
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CBSP_IEI_REP_PERIOD = 0x06,
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CBSP_IEI_NUM_BCAST_REQ = 0x07,
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CBSP_IEI_NUM_BCAST_COMPL_LIST = 0x08,
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CBSP_IEI_FAILURE_LIST = 0x09,
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CBSP_IEI_RR_LOADING_LIST = 0x0a,
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CBSP_IEI_CAUSE = 0x0b,
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CBSP_IEI_DCS = 0x0c,
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CBSP_IEI_RECOVERY_IND = 0x0d,
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CBSP_IEI_MSG_ID = 0x0e,
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CBSP_IEI_EMERG_IND = 0x0f,
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CBSP_IEI_WARN_TYPE = 0x10,
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CBSP_IEI_WARN_SEC_INFO = 0x11,
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CBSP_IEI_CHANNEL_IND = 0x12,
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CBSP_IEI_NUM_OF_PAGES = 0x13,
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CBSP_IEI_SCHEDULE_PERIOD = 0x14,
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CBSP_IEI_NUM_OF_RES_SLOTS = 0x15,
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CBSP_IEI_BCAST_MSG_TYPE = 0x16,
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CBSP_IEI_WARNING_PERIOD = 0x17,
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CBSP_IEI_KEEP_ALIVE_REP_PERIOD = 0x18,
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};
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/* 8.2.2 Message Type */
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enum cbsp_msg_type {
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CBSP_MSGT_WRITE_REPLACE = 0x01,
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CBSP_MSGT_WRITE_REPLACE_COMPL = 0x02,
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CBSP_MSGT_WRITE_REPLACE_FAIL = 0x03,
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CBSP_MSGT_KILL = 0x04,
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CBSP_MSGT_KILL_COMPL = 0x05,
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CBSP_MSGT_KILL_FAIL = 0x06,
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CBSP_MSGT_LOAD_QUERY = 0x07,
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CBSP_MSGT_LOAD_QUERY_COMPL = 0x08,
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CBSP_MSGT_LOAD_QUERY_FAIL = 0x09,
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CBSP_MSGT_MSG_STATUS_QUERY = 0x0a,
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CBSP_MSGT_MSG_STATUS_QUERY_COMPL= 0x0b,
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CBSP_MSGT_MSG_STATUS_QUERY_FAIL = 0x0c,
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CBSP_MSGT_SET_DRX = 0x0d,
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CBSP_MSGT_SET_DRX_COMPL = 0x0e,
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CBSP_MSGT_SET_DRX_FAIL = 0x0f,
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CBSP_MSGT_RESET = 0x10,
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CBSP_MSGT_RESET_COMPL = 0x11,
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CBSP_MSGT_RESET_FAIL = 0x12,
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CBSP_MSGT_RESTART = 0x13,
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CBSP_MSGT_FAILURE = 0x14,
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CBSP_MSGT_ERROR_IND = 0x15,
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CBSP_MSGT_KEEP_ALIVE = 0x16,
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CBSP_MSGT_KEEP_ALIVE_COMPL = 0x17,
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};
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/* 8.2.7 Category */
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enum cbsp_category {
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CBSP_CATEG_HIGH_PRIO = 0x00,
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CBSP_CATEG_BACKGROUND = 0x01,
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CBSP_CATEG_NORMAL = 0x02,
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};
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/* Cell ID Discriminator (8.2.11, ...) */
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enum cbsp_cell_id_disc {
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CBSP_CIDD_WHOLE_CGI = 0x0,
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CBSP_CIDD_LAC_CI = 0x1,
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CBSP_CIDD_CI = 0x2,
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CBSP_CIDD_LAI = 0x4,
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CBSP_CIDD_LAC = 0x5,
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CBSP_CIDD_ALL_IN_BSC = 0x6,
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};
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/* 8.2.13 Cause */
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enum cbsp_cell_id_cause {
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CBSP_CAUSE_PARAM_NOT_RECOGNISED = 0x00,
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CBSP_CAUSE_PARAM_VAL_INVALID = 0x01,
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CBSP_CAUSE_MSG_REF_NOT_IDENTIFIED = 0x02,
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CBSP_CAUSE_CELL_ID_NOT_VALID = 0x03,
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CBSP_CAUSE_UNRECOGNISED_MSG = 0x04,
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CBSP_CAUSE_MISSING_MAND_IE = 0x05,
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CBSP_CAUSE_BSC_CAPACITY_EXCEEDED = 0x06,
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CBSP_CAUSE_CELL_MEMORY_EXCEEDED = 0x07,
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CBSP_CAUSE_BSC_MEMORY_EXCEEDED = 0x08,
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CBSP_CAUSE_CB_NOT_SUPPORTED = 0x09,
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CBSP_CAUSE_CB_NOT_OPERATIONAL = 0x0a,
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CBSP_CAUSE_INCOMPATIBLE_DRX_PARAM = 0x0b,
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CBSP_CAUSE_EXT_CHAN_NOT_SUPPORTED = 0x0c,
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CBSP_CAUSE_MSG_REF_ALREADY_USED = 0x0d,
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CBSP_CAUSE_UNSPECIFIED_ERROR = 0x0e,
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CBSP_CAUSE_LAI_OR_LAC_NPT_VALID = 0x0f,
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};
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/* 8.2.20 Chanel Indicator */
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enum cbsp_channel_ind {
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CBSP_CHAN_IND_BASIC = 0,
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CBSP_CHAN_IND_EXTENDED = 1,
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};
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/* not explicitly specified, but every message starts with those mandatory elements */
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struct cbsp_header {
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uint8_t msg_type;
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uint8_t len[3]; /* excluding the header */
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} __attribute__((packed));
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extern const struct value_string cbsp_msg_type_names[];
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extern const struct value_string cbsp_iei_names[];
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extern const struct value_string cbsp_category_names[];
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extern const struct tlv_definition cbsp_att_tlvdef;
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