gsm_48_071.h

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/*
 * (C) 2020 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
 * All Rights Reserved
 *
 * Author: Neels Hofmeyr <neels@hofmeyr.de>
 *
 * 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.
 *
 */
#pragma once
 
#include <osmocom/gsm/protocol/gsm_04_08.h>
 
enum bsslap_msgt {
        BSSLAP_MSGT_TA_REQUEST = 0x1,
        BSSLAP_MSGT_TA_RESPONSE = 0x2,
        BSSLAP_MSGT_REJECT = 0xa,
        BSSLAP_MSGT_RESET = 0xb,
        BSSLAP_MSGT_ABORT = 0xc,
        BSSLAP_MSGT_TA_LAYER3 = 0xd,
        BSSLAP_MSGT_MS_POS_CMD = 0xf,
        BSSLAP_MSGT_MS_POS_RESP = 0x10,
        BSSLAP_MSGT_UTDOA_REQ = 0x11,
        BSSLAP_MSGT_UTDOA_RESP = 0x12,
};
 
enum bsslap_cause {
        BSSLAP_CAUSE_CONGESTION = 0x0,
        BSSLAP_CAUSE_CHAN_MODE_NOT_SUPP = 0x1,
        BSSLAP_CAUSE_POS_PROC_NOT_SUPP = 0x2,
        BSSLAP_CAUSE_OTHER_RADIO_EVT_FAIL = 0x3,
        BSSLAP_CAUSE_INTRA_BSS_HO = 0x4,
        BSSLAP_CAUSE_SUPERV_TIMER_EXPIRED = 0x5,
        BSSLAP_CAUSE_INTER_BSS_HO = 0x6,
        BSSLAP_CAUSE_LOSS_SIG_CONN_MS = 0x7,
        BSSLAP_CAUSE_INCORR_SERV_CELL_ID = 0x8,
        BSSLAP_CAUSE_BSSAP_LE_SEGMENT_ERR = 0x9,
        BSSLAP_CAUSE_CONCUR_POS_PROC_NOT_EN = 0xa,
};
 
enum bsslap_iei {
        BSSLAP_IEI_TA = 0x1,
        BSSLAP_IEI_CELL_ID = 0x9,
        BSSLAP_IEI_CHAN_DESC = 0x10,
        BSSLAP_IEI_MEAS_REP = 0x14,
        BSSLAP_IEI_CAUSE = 0x18,
        BSSLAP_IEI_RRLP_FLAG = 0x19,
        BSSLAP_IEI_RRLP = 0x1b,
        BSSLAP_IEI_CELL_ID_LIST = 0x1c,
        BSSLAP_IEI_ENH_MEAS_REP = 0x1d,
        BSSLAP_IEI_LAC = 0x1e,
        BSSLAP_IEI_FREQ_LIST = 0x21,
        BSSLAP_IEI_MS_POWER = 0x22,
        BSSLAP_IEI_DELTA_TIMER = 0x23,
        BSSLAP_IEI_SERVING_CELL_ID = 0x24,
        BSSLAP_IEI_ENCR_KEY = 0x25,
        BSSLAP_IEI_CIPH_MODE_SET = 0x26,
        BSSLAP_IEI_CHAN_MODE = 0x27,
        BSSLAP_IEI_MR_CONFIG = 0x28,
        BSSLAP_IEI_POLLING_REPETITION = 0x29,
        BSSLAP_IEI_PACKET_CHAN_DESC = 0x2a,
        BSSLAP_IEI_TLLI = 0x2b,
        BSSLAP_IEI_TFI = 0x2c,
        BSSLAP_IEI_TBF_START_TIME = 0x2d,
        BSSLAP_IEI_PWRUP_START_TIME = 0x2e,
        BSSLAP_IEI_LONG_ENCR_KEY = 0x2f,
        BSSLAP_IEI_CONCUR_POS_PROC_F = 0x30,
};
 
struct bsslap_ta_response {
        uint16_t cell_id;
        uint8_t ta;
 
        bool more_items; 
};
 
struct bsslap_ta_layer3 {
        uint8_t ta;
 
        bool more_items; 
};
 
struct bsslap_reset {
        uint16_t cell_id;
        uint8_t ta;
        struct gsm48_chan_desc chan_desc;
        enum bsslap_cause cause;
 
        bool more_items; 
};
 
struct bsslap_pdu {
        enum bsslap_msgt msg_type;
        union {
                /* ta_request: a TA Request message consists only of the message type. */
                struct bsslap_ta_response ta_response;
                enum bsslap_cause reject;
                struct bsslap_reset reset;
                enum bsslap_cause abort;
                struct bsslap_ta_layer3 ta_layer3;
        };
};