739 lines
16 KiB
C
739 lines
16 KiB
C
#ifndef _GSM_DATA_SHAREDH
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#define _GSM_DATA_SHAREDH
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#include <regex.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <osmocom/core/timer.h>
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#include <osmocom/core/bitvec.h>
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#include <osmocom/core/statistics.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/gsm/gsm_utils.h>
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#include <osmocom/gsm/tlv.h>
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#include <osmocom/gsm/rxlev_stat.h>
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#include <osmocom/gsm/sysinfo.h>
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#include <osmocom/gsm/protocol/gsm_08_58.h>
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#include <osmocom/gsm/protocol/gsm_12_21.h>
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#include <osmocom/abis/e1_input.h>
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#ifndef ROLE_BSC
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#include <osmocom/gsm/lapdm.h>
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#endif
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struct osmo_bsc_data;
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struct osmo_bsc_sccp_con;
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struct gsm_sms_queue;
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/* RRLP mode of operation */
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enum rrlp_mode {
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RRLP_MODE_NONE,
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RRLP_MODE_MS_BASED,
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RRLP_MODE_MS_PREF,
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RRLP_MODE_ASS_PREF,
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};
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/* Channel Request reason */
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enum gsm_chreq_reason_t {
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GSM_CHREQ_REASON_EMERG,
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GSM_CHREQ_REASON_PAG,
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GSM_CHREQ_REASON_CALL,
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GSM_CHREQ_REASON_LOCATION_UPD,
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GSM_CHREQ_REASON_OTHER,
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};
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#define TRX_NR_TS 8
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#define TS_MAX_LCHAN 8
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#define HARDCODED_ARFCN 123
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#define HARDCODED_TSC 7
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#define HARDCODED_BSIC 0x3f /* NCC = 7 / BCC = 7 */
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/* for multi-drop config */
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#define HARDCODED_BTS0_TS 1
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#define HARDCODED_BTS1_TS 6
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#define HARDCODED_BTS2_TS 11
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/* reserved according to GSM 03.03 § 2.4 */
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#define GSM_RESERVED_TMSI 0xFFFFFFFF
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enum gsm_hooks {
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GSM_HOOK_NM_SWLOAD,
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GSM_HOOK_RR_PAGING,
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GSM_HOOK_RR_SECURITY,
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};
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enum gsm_paging_event {
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GSM_PAGING_SUCCEEDED,
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GSM_PAGING_EXPIRED,
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GSM_PAGING_OOM,
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GSM_PAGING_BUSY,
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};
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enum bts_gprs_mode {
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BTS_GPRS_NONE = 0,
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BTS_GPRS_GPRS = 1,
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BTS_GPRS_EGPRS = 2,
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};
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struct gsm_lchan;
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struct gsm_subscriber;
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struct gsm_mncc;
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struct osmo_rtp_socket;
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struct rtp_socket;
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struct bsc_api;
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/* Network Management State */
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struct gsm_nm_state {
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uint8_t operational;
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uint8_t administrative;
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uint8_t availability;
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};
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struct gsm_abis_mo {
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uint8_t obj_class;
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struct abis_om_obj_inst obj_inst;
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const char *name;
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struct gsm_nm_state nm_state;
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struct tlv_parsed *nm_attr;
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struct gsm_bts *bts;
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};
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#define MAX_A5_KEY_LEN (128/8)
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#define A38_XOR_MIN_KEY_LEN 12
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#define A38_XOR_MAX_KEY_LEN 16
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#define A38_COMP128_KEY_LEN 16
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#define RSL_ENC_ALG_A5(x) (x+1)
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/* is the data link established? who established it? */
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#define LCHAN_SAPI_UNUSED 0
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#define LCHAN_SAPI_MS 1
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#define LCHAN_SAPI_NET 2
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/* state of a logical channel */
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enum gsm_lchan_state {
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LCHAN_S_NONE, /* channel is not active */
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LCHAN_S_ACT_REQ, /* channel activation requested */
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LCHAN_S_ACTIVE, /* channel is active and operational */
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LCHAN_S_REL_REQ, /* channel release has been requested */
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LCHAN_S_REL_ERR, /* channel is in an error state */
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LCHAN_S_BROKEN, /* channel is somehow unusable */
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LCHAN_S_INACTIVE, /* channel is set inactive */
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};
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/* BTS ONLY */
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#define MAX_NUM_UL_MEAS 104
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#define LC_UL_M_F_L1_VALID (1 << 0)
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#define LC_UL_M_F_RES_VALID (1 << 1)
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struct bts_ul_meas {
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/* BER in units of 0.01%: 10.000 == 100% ber, 0 == 0% ber */
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uint16_t ber10k;
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/* timing advance offset (in quarter bits) */
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int16_t ta_offs_qbits;
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/* C/I ratio in dB */
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float c_i;
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/* flags */
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uint8_t is_sub:1;
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/* RSSI in dBm * -1 */
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uint8_t inv_rssi;
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};
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struct amr_mode {
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uint8_t mode;
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uint8_t threshold;
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uint8_t hysteresis;
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};
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struct amr_multirate_conf {
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uint8_t gsm48_ie[2];
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struct amr_mode mode[4];
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uint8_t num_modes;
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};
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/* /BTS ONLY */
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enum lchan_csd_mode {
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LCHAN_CSD_M_NT,
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LCHAN_CSD_M_T_1200_75,
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LCHAN_CSD_M_T_600,
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LCHAN_CSD_M_T_1200,
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LCHAN_CSD_M_T_2400,
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LCHAN_CSD_M_T_9600,
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LCHAN_CSD_M_T_14400,
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LCHAN_CSD_M_T_29000,
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LCHAN_CSD_M_T_32000,
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};
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struct gsm_lchan {
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/* The TS that we're part of */
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struct gsm_bts_trx_ts *ts;
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/* The logical subslot number in the TS */
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uint8_t nr;
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/* The logical channel type */
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enum gsm_chan_t type;
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/* RSL channel mode */
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enum rsl_cmod_spd rsl_cmode;
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/* If TCH, traffic channel mode */
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enum gsm48_chan_mode tch_mode;
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enum lchan_csd_mode csd_mode;
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/* State */
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enum gsm_lchan_state state;
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/* Power levels for MS and BTS */
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uint8_t bs_power;
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uint8_t ms_power;
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/* Encryption information */
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struct {
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uint8_t alg_id;
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uint8_t key_len;
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uint8_t key[MAX_A5_KEY_LEN];
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} encr;
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/* AMR bits */
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struct gsm48_multi_rate_conf mr_conf;
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/* Established data link layer services */
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uint8_t sapis[8];
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int sacch_deact;
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struct {
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uint32_t bound_ip;
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uint32_t connect_ip;
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uint16_t bound_port;
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uint16_t connect_port;
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uint16_t conn_id;
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uint8_t rtp_payload;
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uint8_t rtp_payload2;
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uint8_t speech_mode;
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#ifdef ROLE_BSC
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struct rtp_socket *rtp_socket;
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#else
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struct osmo_rtp_socket *rtp_socket;
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#endif
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} abis_ip;
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uint8_t rqd_ta;
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#ifdef ROLE_BSC
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struct osmo_timer_list T3101;
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struct osmo_timer_list T3109;
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struct osmo_timer_list T3111;
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struct osmo_timer_list error_timer;
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struct osmo_timer_list act_timer;
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uint8_t error_cause;
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/* table of neighbor cell measurements */
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struct neigh_meas_proc neigh_meas[MAX_NEIGH_MEAS];
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/* cache of last measurement reports on this lchan */
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struct gsm_meas_rep meas_rep[6];
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int meas_rep_idx;
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/* GSM Random Access data */
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struct gsm48_req_ref *rqd_ref;
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struct gsm_subscriber_connection *conn;
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#else
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struct lapdm_channel lapdm_ch;
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struct llist_head dl_tch_queue;
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struct {
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/* bitmask of all SI that are present/valid in si_buf */
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uint32_t valid;
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uint32_t last;
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/* buffers where we put the pre-computed SI */
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sysinfo_buf_t buf[_MAX_SYSINFO_TYPE];
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} si;
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struct {
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uint8_t flags;
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/* RSL measurment result number, 0 at lchan_act */
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uint8_t res_nr;
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/* current Tx power level of the BTS */
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uint8_t bts_tx_pwr;
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/* number of measurements stored in array below */
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uint8_t num_ul_meas;
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struct bts_ul_meas uplink[MAX_NUM_UL_MEAS];
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/* last L1 header from the MS */
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uint8_t l1_info[2];
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struct {
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uint8_t rxlev_full;
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uint8_t rxlev_sub;
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uint8_t rxqual_full;
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uint8_t rxqual_sub;
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} res;
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} meas;
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struct {
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struct amr_multirate_conf amr_mr;
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struct {
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uint8_t buf[16];
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uint8_t len;
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} last_sid;
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} tch;
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/* BTS-side ciphering state (rx only, bi-directional, ...) */
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uint8_t ciph_state;
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uint8_t loopback;
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struct {
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uint8_t active;
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uint8_t ref;
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/* T3105: PHYS INF retransmission */
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struct osmo_timer_list t3105;
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/* counts up to Ny1 */
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unsigned int phys_info_count;
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} ho;
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#endif
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};
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#define TS_F_PDCH_MODE 0x1000
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/* One Timeslot in a TRX */
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struct gsm_bts_trx_ts {
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struct gsm_bts_trx *trx;
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/* number of this timeslot at the TRX */
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uint8_t nr;
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enum gsm_phys_chan_config pchan;
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unsigned int flags;
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struct gsm_abis_mo mo;
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struct tlv_parsed nm_attr;
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uint8_t nm_chan_comb;
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int tsc; /* -1 == use BTS TSC */
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struct {
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/* Parameters below are configured by VTY */
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int enabled;
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uint8_t maio;
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uint8_t hsn;
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struct bitvec arfcns;
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uint8_t arfcns_data[1024/8];
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/* This is the pre-computed MA for channel assignments */
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struct bitvec ma;
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uint8_t ma_len; /* part of ma_data that is used */
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uint8_t ma_data[8]; /* 10.5.2.21: max 8 bytes value part */
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} hopping;
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/* To which E1 subslot are we connected */
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struct gsm_e1_subslot e1_link;
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struct gsm_lchan lchan[TS_MAX_LCHAN];
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};
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/* One TRX in a BTS */
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struct gsm_bts_trx {
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/* list header in bts->trx_list */
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struct llist_head list;
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struct gsm_bts *bts;
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/* number of this TRX in the BTS */
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uint8_t nr;
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/* human readable name / description */
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char *description;
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/* how do we talk RSL with this TRX? */
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struct gsm_e1_subslot rsl_e1_link;
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uint8_t rsl_tei;
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#ifdef ROLE_BSC
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struct e1inp_sign_link *rsl_link;
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#else
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struct ipabis_link *rsl_link;
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#endif
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/* Some BTS (specifically Ericsson RBS) have a per-TRX OML Link */
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struct e1inp_sign_link *oml_link;
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struct gsm_abis_mo mo;
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struct tlv_parsed nm_attr;
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struct {
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struct gsm_abis_mo mo;
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} bb_transc;
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uint16_t arfcn;
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int nominal_power; /* in dBm */
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unsigned int max_power_red; /* in actual dB */
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struct {
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void *l1h;
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} role_bts;
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union {
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struct {
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struct {
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struct gsm_abis_mo mo;
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} bbsig;
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struct {
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struct gsm_abis_mo mo;
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} pa;
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} bs11;
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struct {
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unsigned int test_state;
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uint8_t test_nr;
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struct rxlev_stats rxlev_stat;
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} ipaccess;
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};
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struct gsm_bts_trx_ts ts[TRX_NR_TS];
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};
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#define GSM_BTS_SI(bts, i) (void *)(bts->si_buf[i])
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enum gsm_bts_type {
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GSM_BTS_TYPE_UNKNOWN,
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GSM_BTS_TYPE_BS11,
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GSM_BTS_TYPE_NANOBTS,
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GSM_BTS_TYPE_RBS2000,
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GSM_BTS_TYPE_HSL_FEMTO,
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GSM_BTS_TYPE_NOKIA_SITE,
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GSM_BTS_TYPE_OSMO_SYSMO,
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_NUM_GSM_BTS_TYPE
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};
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struct vty;
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struct gsm_bts_model {
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struct llist_head list;
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enum gsm_bts_type type;
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const char *name;
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bool started;
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int (*start)(struct gsm_network *net);
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int (*oml_rcvmsg)(struct msgb *msg);
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void (*e1line_bind_ops)(struct e1inp_line *line);
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void (*config_write_bts)(struct vty *vty, struct gsm_bts *bts);
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void (*config_write_trx)(struct vty *vty, struct gsm_bts_trx *trx);
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void (*config_write_ts)(struct vty *vty, struct gsm_bts_trx_ts *ts);
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struct tlv_definition nm_att_tlvdef;
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struct bitvec features;
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uint8_t _features_data[128/8];
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};
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enum gsm_bts_features {
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BTS_FEAT_HSCSD,
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BTS_FEAT_GPRS,
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BTS_FEAT_EGPRS,
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BTS_FEAT_ECSD,
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BTS_FEAT_HOPPING,
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};
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/*
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* This keeps track of the paging status of one BTS. It
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* includes a number of pending requests, a back pointer
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* to the gsm_bts, a timer and some more state.
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*/
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struct gsm_bts_paging_state {
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/* pending requests */
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struct llist_head pending_requests;
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struct gsm_bts *bts;
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struct osmo_timer_list work_timer;
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struct osmo_timer_list credit_timer;
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/* free chans needed */
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int free_chans_need;
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/* load */
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uint16_t available_slots;
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};
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struct gsm_envabtse {
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struct gsm_abis_mo mo;
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};
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struct gsm_bts_gprs_nsvc {
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struct gsm_bts *bts;
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/* data read via VTY config file, to configure the BTS
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* via OML from BSC */
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int id;
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uint16_t nsvci;
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uint16_t local_port; /* on the BTS */
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uint16_t remote_port; /* on the SGSN */
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uint32_t remote_ip; /* on the SGSN */
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struct gsm_abis_mo mo;
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};
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enum gprs_rlc_par {
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RLC_T3142,
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RLC_T3169,
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RLC_T3191,
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RLC_T3193,
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RLC_T3195,
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RLC_N3101,
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RLC_N3103,
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RLC_N3105,
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CV_COUNTDOWN,
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T_DL_TBF_EXT, /* ms */
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T_UL_TBF_EXT, /* ms */
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_NUM_RLC_PAR
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};
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enum gprs_cs {
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GPRS_CS1,
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GPRS_CS2,
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GPRS_CS3,
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GPRS_CS4,
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GPRS_MCS1,
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GPRS_MCS2,
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GPRS_MCS3,
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GPRS_MCS4,
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GPRS_MCS5,
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GPRS_MCS6,
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GPRS_MCS7,
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GPRS_MCS8,
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GPRS_MCS9,
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_NUM_GRPS_CS
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};
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struct gprs_rlc_cfg {
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uint16_t parameter[_NUM_RLC_PAR];
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struct {
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uint16_t repeat_time; /* ms */
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uint8_t repeat_count;
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} paging;
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uint32_t cs_mask; /* bitmask of gprs_cs */
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uint8_t initial_cs;
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uint8_t initial_mcs;
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};
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enum neigh_list_manual_mode {
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NL_MODE_AUTOMATIC = 0,
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NL_MODE_MANUAL = 1,
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NL_MODE_MANUAL_SI5SEP = 2, /* SI2 and SI5 have separate neighbor lists */
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};
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enum bts_loc_fix {
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BTS_LOC_FIX_INVALID = 0,
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BTS_LOC_FIX_2D = 1,
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BTS_LOC_FIX_3D = 2,
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};
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struct bts_location {
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struct llist_head list;
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time_t tstamp;
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enum bts_loc_fix valid;
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double lat;
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double lon;
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double height;
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};
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/* One BTS */
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struct gsm_bts {
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/* list header in net->bts_list */
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struct llist_head list;
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/* Geographical location of the BTS */
|
|
struct llist_head loc_list;
|
|
|
|
/* number of ths BTS in network */
|
|
uint8_t nr;
|
|
/* human readable name / description */
|
|
char *description;
|
|
/* Cell Identity */
|
|
uint16_t cell_identity;
|
|
/* location area code of this BTS */
|
|
uint16_t location_area_code;
|
|
/* Training Sequence Code */
|
|
uint8_t tsc;
|
|
/* Base Station Identification Code (BSIC) */
|
|
uint8_t bsic;
|
|
/* type of BTS */
|
|
enum gsm_bts_type type;
|
|
struct gsm_bts_model *model;
|
|
enum gsm_band band;
|
|
/* maximum Tx power that the MS is permitted to use in this cell */
|
|
int ms_max_power;
|
|
|
|
/* how do we talk OML with this TRX? */
|
|
struct gsm_e1_subslot oml_e1_link;
|
|
uint8_t oml_tei;
|
|
struct e1inp_sign_link *oml_link;
|
|
|
|
/* Abis network management O&M handle */
|
|
struct abis_nm_h *nmh;
|
|
|
|
struct gsm_abis_mo mo;
|
|
|
|
/* number of this BTS on given E1 link */
|
|
uint8_t bts_nr;
|
|
|
|
/* paging state and control */
|
|
struct gsm_bts_paging_state paging;
|
|
|
|
/* CCCH is on C0 */
|
|
struct gsm_bts_trx *c0;
|
|
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
} site_mgr;
|
|
|
|
/* bitmask of all SI that are present/valid in si_buf */
|
|
uint32_t si_valid;
|
|
/* buffers where we put the pre-computed SI */
|
|
sysinfo_buf_t si_buf[_MAX_SYSINFO_TYPE];
|
|
|
|
/* TimeZone hours, mins, and bts specific */
|
|
struct {
|
|
int hr;
|
|
int mn;
|
|
int override;
|
|
} tz;
|
|
|
|
/* ip.accesss Unit ID's have Site/BTS/TRX layout */
|
|
union {
|
|
struct {
|
|
uint16_t site_id;
|
|
uint16_t bts_id;
|
|
uint32_t flags;
|
|
} ip_access;
|
|
struct {
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
} cclk;
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
} rack;
|
|
struct gsm_envabtse envabtse[4];
|
|
} bs11;
|
|
struct {
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
struct llist_head conn_groups;
|
|
} is;
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
struct llist_head conn_groups;
|
|
} con;
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
} dp;
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
} tf;
|
|
} rbs2000;
|
|
struct {
|
|
unsigned long serno;
|
|
} hsl;
|
|
struct {
|
|
uint8_t bts_type;
|
|
unsigned int configured:1,
|
|
skip_reset:1,
|
|
did_reset:1,
|
|
wait_reset:1;
|
|
struct osmo_timer_list reset_timer;
|
|
} nokia;
|
|
};
|
|
|
|
/* Not entirely sure how ip.access specific this is */
|
|
struct {
|
|
enum bts_gprs_mode mode;
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
uint16_t nsei;
|
|
uint8_t timer[7];
|
|
} nse;
|
|
struct {
|
|
struct gsm_abis_mo mo;
|
|
uint16_t bvci;
|
|
uint8_t timer[11];
|
|
struct gprs_rlc_cfg rlc_cfg;
|
|
} cell;
|
|
struct gsm_bts_gprs_nsvc nsvc[2];
|
|
uint8_t rac;
|
|
} gprs;
|
|
|
|
/* RACH NM values */
|
|
int rach_b_thresh;
|
|
int rach_ldavg_slots;
|
|
|
|
/* transceivers */
|
|
int num_trx;
|
|
struct llist_head trx_list;
|
|
|
|
#ifdef ROLE_BSC
|
|
/* Abis NM queue */
|
|
struct llist_head abis_queue;
|
|
int abis_nm_pend;
|
|
|
|
struct gsm_network *network;
|
|
|
|
/* should the channel allocator allocate channels from high TRX to TRX0,
|
|
* rather than starting from TRX0 and go upwards? */
|
|
int chan_alloc_reverse;
|
|
|
|
enum neigh_list_manual_mode neigh_list_manual_mode;
|
|
/* parameters from which we build SYSTEM INFORMATION */
|
|
struct {
|
|
struct gsm48_rach_control rach_control;
|
|
uint8_t ncc_permitted;
|
|
struct gsm48_cell_sel_par cell_sel_par;
|
|
struct gsm48_si_selection_params cell_ro_sel_par; /* rest octet */
|
|
struct gsm48_cell_options cell_options;
|
|
struct gsm48_control_channel_descr chan_desc;
|
|
struct bitvec neigh_list;
|
|
struct bitvec cell_alloc;
|
|
struct bitvec si5_neigh_list;
|
|
struct {
|
|
/* bitmask large enough for all possible ARFCN's */
|
|
uint8_t neigh_list[1024/8];
|
|
uint8_t cell_alloc[1024/8];
|
|
/* If the user wants a different neighbor list in SI5 than in SI2 */
|
|
uint8_t si5_neigh_list[1024/8];
|
|
} data;
|
|
} si_common;
|
|
|
|
/* do we use static (user-defined) system information messages? (bitmask) */
|
|
uint32_t si_mode_static;
|
|
#endif /* ROLE_BSC */
|
|
void *role;
|
|
};
|
|
|
|
|
|
struct gsm_bts *gsm_bts_alloc(void *talloc_ctx);
|
|
struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts);
|
|
|
|
struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num);
|
|
|
|
|
|
const struct value_string gsm_pchant_names[10];
|
|
const struct value_string gsm_pchant_descs[10];
|
|
const struct value_string gsm_lchant_names[6];
|
|
const char *gsm_pchan_name(enum gsm_phys_chan_config c);
|
|
enum gsm_phys_chan_config gsm_pchan_parse(const char *name);
|
|
const char *gsm_lchant_name(enum gsm_chan_t c);
|
|
const char *gsm_chreq_name(enum gsm_chreq_reason_t c);
|
|
char *gsm_trx_name(const struct gsm_bts_trx *trx);
|
|
char *gsm_ts_name(const struct gsm_bts_trx_ts *ts);
|
|
char *gsm_lchan_name(const struct gsm_lchan *lchan);
|
|
const char *gsm_lchans_name(enum gsm_lchan_state s);
|
|
|
|
|
|
void gsm_abis_mo_reset(struct gsm_abis_mo *mo);
|
|
|
|
struct gsm_abis_mo *
|
|
gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class,
|
|
const struct abis_om_obj_inst *obj_inst);
|
|
|
|
struct gsm_nm_state *
|
|
gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class,
|
|
const struct abis_om_obj_inst *obj_inst);
|
|
void *
|
|
gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class,
|
|
const struct abis_om_obj_inst *obj_inst);
|
|
|
|
/* reset the state of all MO in the BTS */
|
|
void gsm_bts_mo_reset(struct gsm_bts *bts);
|
|
|
|
uint8_t gsm_ts2chan_nr(const struct gsm_bts_trx_ts *ts, uint8_t lchan_nr);
|
|
uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan);
|
|
|
|
/*
|
|
* help with parsing regexps
|
|
*/
|
|
int gsm_parse_reg(void *ctx, regex_t *reg, char **str,
|
|
int argc, const char **argv) __attribute__ ((warn_unused_result));
|
|
|
|
|
|
|
|
#endif
|