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