| #ifndef _GSM_DATA_H |
| #define _GSM_DATA_H |
| |
| #include <stdint.h> |
| #include <sys/types.h> |
| #include <stdbool.h> |
| |
| #include <osmocom/core/timer.h> |
| #include <osmocom/core/rate_ctr.h> |
| #include <osmocom/core/select.h> |
| #include <osmocom/core/socket.h> |
| #include <osmocom/core/stats.h> |
| #include <osmocom/core/stat_item.h> |
| #include <osmocom/gsm/bts_features.h> |
| #include <osmocom/gsm/protocol/gsm_08_08.h> |
| #include <osmocom/gsm/protocol/gsm_48_049.h> |
| #include <osmocom/gsm/gsm0808.h> |
| #include <osmocom/gsm/gsm48.h> |
| #include <osmocom/core/fsm.h> |
| #include <osmocom/core/tdef.h> |
| |
| #include <osmocom/crypt/auth.h> |
| |
| #include <osmocom/bsc/rest_octets.h> |
| |
| #include <osmocom/core/bitvec.h> |
| #include <osmocom/gsm/gsm_utils.h> |
| #include <osmocom/gsm/rxlev_stat.h> |
| #include <osmocom/gsm/protocol/gsm_08_58.h> |
| #include <osmocom/gsm/protocol/gsm_12_21.h> |
| #include <osmocom/abis/e1_input.h> |
| #include <osmocom/bsc/meas_rep.h> |
| #include <osmocom/bsc/acc.h> |
| #include <osmocom/bsc/neighbor_ident.h> |
| #include <osmocom/bsc/osmux.h> |
| |
| #define GSM_T3122_DEFAULT 10 |
| |
| struct mgcp_client_conf; |
| struct mgcp_client; |
| struct gsm0808_cell_id; |
| struct osmo_mgcpc_ep; |
| struct gsm_bts; |
| struct gsm_bts_trx; |
| |
| /** annotations for msgb ownership */ |
| #define __uses |
| |
| #define OBSC_NM_W_ACK_CB(__msgb) (__msgb)->cb[3] |
| |
| struct bsc_subscr; |
| struct gprs_ra_id; |
| struct handover; |
| struct osmo_sccp_instance; |
| |
| #define OBSC_LINKID_CB(__msgb) (__msgb)->cb[3] |
| |
| /* 3-bit long values */ |
| #define EARFCN_PRIO_INVALID 8 |
| #define EARFCN_MEAS_BW_INVALID 8 |
| /* 5-bit long values */ |
| #define EARFCN_QRXLV_INVALID 32 |
| #define EARFCN_THRESH_LOW_INVALID 32 |
| |
| struct msgb; |
| typedef int gsm_cbfn(unsigned int hooknum, |
| unsigned int event, |
| struct msgb *msg, |
| void *data, void *param); |
| |
| /* Maximum number of neighbor cells whose average we track */ |
| #define MAX_NEIGH_MEAS 10 |
| /* Maximum size of the averaging window for neighbor cells */ |
| #define MAX_WIN_NEIGH_AVG 10 |
| /* Maximum number of report history we store */ |
| #define MAX_MEAS_REP 10 |
| |
| /* processed neighbor measurements for one cell */ |
| struct neigh_meas_proc { |
| uint16_t arfcn; |
| uint8_t bsic; |
| uint8_t rxlev[MAX_WIN_NEIGH_AVG]; |
| unsigned int rxlev_cnt; |
| uint8_t last_seen_nr; |
| }; |
| |
| struct gsm_classmark { |
| bool classmark1_set; |
| struct gsm48_classmark1 classmark1; |
| uint8_t classmark2_len; |
| uint8_t classmark2[3]; |
| uint8_t classmark3_len; |
| uint8_t classmark3[14]; /* if cm3 gets extended by spec, it will be truncated */ |
| }; |
| |
| enum subscr_sccp_state { |
| SUBSCR_SCCP_ST_NONE, |
| SUBSCR_SCCP_ST_WAIT_CONN_CONF, |
| SUBSCR_SCCP_ST_CONNECTED |
| }; |
| |
| enum channel_rate { |
| CH_RATE_SDCCH, |
| CH_RATE_HALF, |
| CH_RATE_FULL, |
| }; |
| |
| struct channel_mode_and_rate { |
| enum gsm48_chan_mode chan_mode; |
| enum channel_rate chan_rate; |
| uint16_t s15_s0; |
| }; |
| |
| /* Information retrieved during an Assignment Request from the MSC. This is storage of the Assignment instructions |
| * parsed from the Assignment Request message, to pass on until the gscon and assignment FSMs have decided whether an |
| * Assignment is actually going to be carried out. Should remain unchanged after initial decoding. */ |
| struct assignment_request { |
| bool aoip; |
| |
| uint16_t msc_assigned_cic; |
| |
| char msc_rtp_addr[INET6_ADDRSTRLEN]; |
| uint16_t msc_rtp_port; |
| bool use_osmux; |
| uint8_t osmux_cid; |
| |
| /* Rate/codec setting in preference order (need at least 1 !) */ |
| int n_ch_mode_rate; |
| struct channel_mode_and_rate ch_mode_rate[3]; |
| }; |
| |
| /* State of an ongoing Assignment, while the assignment_fsm is still busy. This serves as state separation to keep the |
| * currently used lchan and gscon unmodified until the outcome of an Assignment is known. If the Assignment fails, this |
| * state is simply discarded, and the gscon carries on with the original lchan remaining unchanged. */ |
| struct assignment_fsm_data { |
| struct assignment_request req; |
| bool requires_voice_stream; |
| |
| struct osmo_fsm_inst *fi; |
| struct gsm_lchan *new_lchan; |
| |
| /* Whether this assignment triggered creation of the MGW endpoint: if the assignment |
| * fails, we will release that again as soon as possible. (If false, the endpoint already |
| * existed before or isn't needed at all.)*/ |
| struct osmo_mgcpc_ep_ci *created_ci_for_msc; |
| |
| enum gsm0808_cause failure_cause; |
| enum gsm48_rr_cause rr_cause; |
| |
| bool result_rate_ctr_done; |
| }; |
| |
| enum hodec_id { |
| HODEC_NONE, |
| HODEC1 = 1, |
| HODEC2 = 2, |
| HODEC_USER, |
| HODEC_REMOTE, |
| }; |
| |
| /* For example, to count specific kinds of ongoing handovers, it is useful to be able to OR-combine |
| * scopes. */ |
| enum handover_scope { |
| HO_NO_HANDOVER = 0, |
| HO_INTRA_CELL = 0x1, |
| HO_INTRA_BSC = 0x2, |
| HO_INTER_BSC_OUT = 0x4, |
| HO_INTER_BSC_IN = 0x8, |
| HO_SCOPE_ALL = 0xffff, |
| }; |
| |
| extern const struct value_string handover_scope_names[]; |
| inline static const char *handover_scope_name(enum handover_scope val) |
| { return get_value_string(handover_scope_names, val); } |
| |
| struct handover_out_req { |
| enum hodec_id from_hodec_id; |
| struct gsm_lchan *old_lchan; |
| struct neighbor_ident_key target_nik; |
| enum gsm_chan_t new_lchan_type; /*< leave GSM_LCHAN_NONE to use same as old_lchan */ |
| }; |
| |
| struct handover_in_req { |
| struct gsm0808_channel_type ct; |
| struct gsm0808_speech_codec_list scl; |
| struct gsm0808_encrypt_info ei; |
| struct gsm_classmark classmark; |
| /* chosen_encr_alg reflects the encoded value as in RSL_ENC_ALG_A5(a5_numer): |
| * chosen_encr_alg == 1 means A5/0 i.e. no encryption, chosen_encr_alg == 4 means A5/3. |
| * chosen_encr_alg == 0 means no such IE was present. */ |
| uint8_t chosen_encr_alg; |
| struct gsm0808_cell_id cell_id_serving; |
| char cell_id_serving_name[64]; |
| struct gsm0808_cell_id cell_id_target; |
| char cell_id_target_name[64]; |
| uint16_t msc_assigned_cic; |
| char msc_assigned_rtp_addr[INET6_ADDRSTRLEN]; |
| uint16_t msc_assigned_rtp_port; |
| }; |
| |
| struct handover { |
| struct osmo_fsm_inst *fi; |
| |
| enum hodec_id from_hodec_id; |
| enum handover_scope scope; |
| enum gsm_chan_t new_lchan_type; |
| struct neighbor_ident_key target_cell; |
| |
| uint8_t ho_ref; |
| struct gsm_bts *new_bts; |
| struct gsm_lchan *new_lchan; |
| bool async; |
| struct handover_in_req inter_bsc_in; |
| struct osmo_mgcpc_ep_ci *created_ci_for_msc; |
| }; |
| |
| /* active radio connection of a mobile subscriber */ |
| struct gsm_subscriber_connection { |
| /* global linked list of subscriber_connections */ |
| struct llist_head entry; |
| |
| /* FSM instance to control the subscriber connection state (RTP, A) */ |
| struct osmo_fsm_inst *fi; |
| |
| /* libbsc subscriber information (if available) */ |
| struct bsc_subscr *bsub; |
| |
| /* back pointers */ |
| struct gsm_network *network; |
| |
| /* the primary / currently active lchan to the BTS/subscriber. During Assignment and Handover, separate lchans |
| * are kept in the .assignment or .handover sub-structs, respectively, so that this lchan remains unaffected |
| * until Assignment or Handover have actually succeeded. */ |
| struct gsm_lchan *lchan; |
| |
| /* Only valid during an ongoing Assignment; might be overwritten at any time by a failed Assignment attempt. |
| * Once an Assignment was successful, all relevant state must be copied out of this sub-struct. */ |
| struct assignment_fsm_data assignment; |
| |
| /* handover information, if a handover is pending for this conn. Valid only during an ongoing Handover |
| * operation. If a Handover was successful, all relevant state must be copied out of this sub-struct. */ |
| struct handover ho; |
| |
| /* Queue DTAP messages during handover/assignment (msgb_enqueue()/msgb_dequeue())*/ |
| struct llist_head dtap_queue; |
| unsigned int dtap_queue_len; |
| |
| struct { |
| int failures; |
| struct penalty_timers *penalty_timers; |
| } hodec2; |
| |
| /* "Codec List (MSC Preferred)" as received by the BSSAP Assignment Request. 3GPP 48.008 |
| * 3.2.2.103 says: |
| * The "Codec List (MSC Preferred)" shall not include codecs |
| * that are not supported by the MS. |
| * i.e. by heeding the "Codec list (MSC Preferred)", we inherently heed the MS bearer |
| * capabilities, which the MSC is required to translate into the codec list. */ |
| struct gsm0808_speech_codec_list codec_list; |
| |
| /* flag to prevent multiple simultaneous ciphering commands */ |
| int ciphering_handled; |
| |
| /* SCCP connection associatd with this subscriber_connection */ |
| struct { |
| /* SCCP connection related */ |
| struct bsc_msc_data *msc; |
| |
| /* Sigtran connection ID */ |
| int conn_id; |
| enum subscr_sccp_state state; |
| } sccp; |
| |
| /* for audio handling */ |
| struct { |
| uint16_t msc_assigned_cic; |
| |
| /* RTP address where the MSC expects us to send the RTP stream coming from the BTS. */ |
| char msc_assigned_rtp_addr[INET6_ADDRSTRLEN]; |
| uint16_t msc_assigned_rtp_port; |
| |
| /* The endpoint at the MGW used to join both BTS and MSC side connections, e.g. |
| * "rtpbridge/23@mgw". */ |
| struct osmo_mgcpc_ep *mgw_endpoint; |
| |
| /* The connection identifier of the osmo_mgcpc_ep used to transceive RTP towards the MSC. |
| * (The BTS side CI is handled by struct gsm_lchan and the lchan_fsm.) */ |
| struct osmo_mgcpc_ep_ci *mgw_endpoint_ci_msc; |
| } user_plane; |
| |
| /* LCLS (local call, local switch) related state */ |
| struct { |
| uint8_t global_call_ref[15]; |
| uint8_t global_call_ref_len; /* length of global_call_ref */ |
| enum gsm0808_lcls_config config; /* TS 48.008 3.2.2.116 */ |
| enum gsm0808_lcls_control control; /* TS 48.008 3.2.2.117 */ |
| /* LCLS FSM */ |
| struct osmo_fsm_inst *fi; |
| /* pointer to "other" connection, if Call Leg Relocation was successful */ |
| struct gsm_subscriber_connection *other; |
| } lcls; |
| |
| /* MS Power Class, TS 05.05 sec 4.1.1 "Mobile station". 0 means unset. */ |
| uint8_t ms_power_class:3; |
| |
| bool rx_clear_command; |
| }; |
| |
| |
| /* 16 is the max. number of SI2quater messages according to 3GPP TS 44.018 Table 10.5.2.33b.1: |
| 4-bit index is used (2#1111 = 10#15) */ |
| #define SI2Q_MAX_NUM 16 |
| /* length in bits (for single SI2quater message) */ |
| #define SI2Q_MAX_LEN 160 |
| #define SI2Q_MIN_LEN 18 |
| |
| struct osmo_bsc_data; |
| |
| struct osmo_bsc_sccp_con; |
| |
| /* Channel Request reason */ |
| enum gsm_chreq_reason_t { |
| GSM_CHREQ_REASON_EMERG, |
| GSM_CHREQ_REASON_PAG, |
| GSM_CHREQ_REASON_CALL, |
| GSM_CHREQ_REASON_LOCATION_UPD, |
| GSM_CHREQ_REASON_OTHER, |
| GSM_CHREQ_REASON_PDCH, |
| }; |
| |
| /* lchans 0..3 are SDCCH in combined channel configuration, |
| use 4 as magic number for BCCH hack - see osmo-bts-../oml.c:opstart_compl() */ |
| #define CCCH_LCHAN 4 |
| |
| #define TS_MAX_LCHAN 8 |
| |
| #define HARDCODED_ARFCN 123 |
| #define HARDCODED_BSIC 0x3f /* NCC = 7 / BCC = 7 */ |
| |
| /* for multi-drop config */ |
| #define HARDCODED_BTS0_TS 1 |
| #define HARDCODED_BTS1_TS 6 |
| #define HARDCODED_BTS2_TS 11 |
| |
| #define MAX_VERSION_LENGTH 64 |
| |
| enum gsm_hooks { |
| GSM_HOOK_NM_SWLOAD, |
| GSM_HOOK_RR_PAGING, |
| GSM_HOOK_RR_SECURITY, |
| }; |
| |
| enum bts_gprs_mode { |
| BTS_GPRS_NONE = 0, |
| BTS_GPRS_GPRS = 1, |
| BTS_GPRS_EGPRS = 2, |
| }; |
| |
| struct gsm_lchan; |
| struct osmo_rtp_socket; |
| struct rtp_socket; |
| |
| /* Network Management State */ |
| struct gsm_nm_state { |
| uint8_t operational; |
| uint8_t administrative; |
| uint8_t availability; |
| }; |
| |
| struct gsm_abis_mo { |
| uint8_t obj_class; |
| uint8_t procedure_pending; |
| struct abis_om_obj_inst obj_inst; |
| const char *name; |
| struct gsm_nm_state nm_state; |
| struct tlv_parsed *nm_attr; |
| struct gsm_bts *bts; |
| }; |
| |
| /* Ericsson OM2000 Managed Object */ |
| struct abis_om2k_mo { |
| uint8_t class; |
| uint8_t bts; |
| uint8_t assoc_so; |
| uint8_t inst; |
| } __attribute__ ((packed)); |
| |
| struct om2k_mo { |
| struct abis_om2k_mo addr; |
| struct osmo_fsm_inst *fsm; |
| }; |
| |
| #define A38_XOR_MIN_KEY_LEN 12 |
| #define A38_XOR_MAX_KEY_LEN 16 |
| #define A38_COMP128_KEY_LEN 16 |
| #define RSL_ENC_ALG_A5(x) (x+1) |
| /* Up to 16 SI2quater are multiplexed; each fits 3 EARFCNS, so the practical maximum is 3*16. |
| * The real maximum that fits in a total of 16 SI2quater rest octets also depends on the bits left by other SI2quater |
| * rest octets elements, so to really fit 48 EARFCNs most other SI2quater elements need to be omitted. */ |
| #define MAX_EARFCN_LIST (3*16) |
| |
| /* is the data link established? who established it? */ |
| #define LCHAN_SAPI_UNUSED 0 |
| #define LCHAN_SAPI_MS 1 |
| #define LCHAN_SAPI_NET 2 |
| |
| /* BTS ONLY */ |
| #define MAX_NUM_UL_MEAS 104 |
| #define LC_UL_M_F_L1_VALID (1 << 0) |
| #define LC_UL_M_F_RES_VALID (1 << 1) |
| |
| struct bts_ul_meas { |
| /* BER in units of 0.01%: 10.000 == 100% ber, 0 == 0% ber */ |
| uint16_t ber10k; |
| /* timing advance offset (in quarter bits) */ |
| int16_t ta_offs_qbits; |
| /* C/I ratio in dB */ |
| float c_i; |
| /* flags */ |
| uint8_t is_sub:1; |
| /* RSSI in dBm * -1 */ |
| uint8_t inv_rssi; |
| }; |
| |
| struct bts_codec_conf { |
| uint8_t hr; |
| uint8_t efr; |
| uint8_t amr; |
| }; |
| |
| struct amr_mode { |
| uint8_t mode; |
| uint8_t threshold; |
| uint8_t hysteresis; |
| }; |
| |
| struct amr_multirate_conf { |
| uint8_t gsm48_ie[2]; |
| struct amr_mode ms_mode[4]; |
| struct amr_mode bts_mode[4]; |
| uint8_t num_modes; |
| }; |
| /* /BTS ONLY */ |
| |
| enum lchan_csd_mode { |
| LCHAN_CSD_M_NT, |
| LCHAN_CSD_M_T_1200_75, |
| LCHAN_CSD_M_T_600, |
| LCHAN_CSD_M_T_1200, |
| LCHAN_CSD_M_T_2400, |
| LCHAN_CSD_M_T_9600, |
| LCHAN_CSD_M_T_14400, |
| LCHAN_CSD_M_T_29000, |
| LCHAN_CSD_M_T_32000, |
| }; |
| |
| /* State of the SAPIs in the lchan */ |
| enum lchan_sapi_state { |
| LCHAN_SAPI_S_NONE, |
| LCHAN_SAPI_S_REQ, |
| LCHAN_SAPI_S_ASSIGNED, |
| LCHAN_SAPI_S_REL, |
| LCHAN_SAPI_S_ERROR, |
| }; |
| |
| #define MAX_A5_KEY_LEN (128/8) |
| |
| struct gsm_encr { |
| uint8_t alg_id; |
| uint8_t key_len; |
| uint8_t key[MAX_A5_KEY_LEN]; |
| }; |
| |
| #define LOGPLCHAN(lchan, ss, level, fmt, args...) \ |
| LOGP(ss, level, "%s (ss=%d,%s) (%s) " fmt, \ |
| lchan ? gsm_ts_and_pchan_name(lchan->ts) : "-", \ |
| lchan ? lchan->nr : 0, \ |
| lchan ? gsm_lchant_name(lchan->type) : "-", \ |
| bsc_subscr_name(lchan && lchan->conn ? lchan->conn->bsub : NULL), \ |
| ## args) |
| |
| /* Iterate lchans that have an FSM allocated based based on explicit pchan kind |
| * (GSM_PCHAN_* constant). |
| * Remark: PDCH related lchans are not handled in BSC but in PCU, so trying to |
| * iterate through GSM_PCHAN_PDCH is considered a void loop. |
| */ |
| #define ts_as_pchan_for_each_lchan(lchan, ts, as_pchan) \ |
| for (lchan = (ts)->lchan; \ |
| ((lchan - (ts)->lchan) < ARRAY_SIZE((ts)->lchan)) \ |
| && lchan->fi \ |
| && lchan->nr < pchan_subslots(as_pchan); \ |
| lchan++) |
| |
| /* Iterate lchans that have an FSM allocated based on current PCHAN |
| * mode set in \ref ts. |
| * usage: |
| * struct gsm_lchan *lchan; |
| * struct gsm_bts_trx_ts *ts = get_some_timeslot(); |
| * ts_for_each_lchan(lchan, ts) { |
| * LOGPLCHAN(DMAIN, LOGL_DEBUG, "hello world\n"); |
| * } |
| */ |
| #define ts_for_each_lchan(lchan, ts) ts_as_pchan_for_each_lchan(lchan, ts, (ts)->pchan_is) |
| |
| /* Iterate over all possible lchans available that have an FSM allocated based |
| * on PCHAN \ref ts (dynamic) configuration. |
| * Iterate all lchan instances set up by this \ref ts type, including those |
| * lchans currently disabled or in process of being enabled (e.g. due to dynamic |
| * timeslot in switchover). Compare ts_for_each_lchan(), which iterates only the |
| * enabled lchans. |
| * For example, it is useful in case dynamic timeslot \ref ts is in process of |
| * switching from configuration PDCH (no lchans) to TCH_F (1 lchan), where |
| * pchan_is is still set to PDCH but \ref ts may contain already an \ref lchan |
| * of type TCH_F which initiated the request to switch the \ts configuration. |
| */ |
| #define ts_for_each_potential_lchan(lchan, ts) ts_as_pchan_for_each_lchan(lchan, ts, (ts)->pchan_on_init) |
| |
| enum lchan_activate_mode { |
| FOR_NONE, |
| FOR_MS_CHANNEL_REQUEST, |
| FOR_ASSIGNMENT, |
| FOR_HANDOVER, |
| FOR_VTY, |
| }; |
| |
| extern const struct value_string lchan_activate_mode_names[]; |
| static inline const char *lchan_activate_mode_name(enum lchan_activate_mode activ_for) |
| { return get_value_string(lchan_activate_mode_names, activ_for); } |
| |
| struct lchan_activate_info { |
| enum lchan_activate_mode activ_for; |
| struct gsm_subscriber_connection *for_conn; |
| /* This always is for a specific lchan, so its lchan->type indicates full or half rate. |
| * When a dyn TS was selected, the lchan->type has been set to the desired rate. */ |
| enum gsm48_chan_mode chan_mode; |
| struct gsm_encr encr; |
| /* AMR config */ |
| uint16_t s15_s0; |
| bool requires_voice_stream; |
| bool wait_before_switching_rtp; /*< true = requires LCHAN_EV_READY_TO_SWITCH_RTP */ |
| uint16_t msc_assigned_cic; |
| /* During intra-BSC handover, we keep the MGW endpoint intact and just re-route to the new lchan. This |
| * activate_info is for the new lchan, the re_use_mgw_endpoint_from_lchan points at the old lchan. */ |
| struct gsm_lchan *re_use_mgw_endpoint_from_lchan; |
| }; |
| |
| struct gsm_lchan { |
| /* The TS that we're part of */ |
| struct gsm_bts_trx_ts *ts; |
| /* The logical subslot number in the TS */ |
| uint8_t nr; |
| char *name; |
| |
| char *last_error; |
| |
| struct osmo_fsm_inst *fi; |
| struct osmo_fsm_inst *fi_rtp; |
| struct osmo_mgcpc_ep_ci *mgw_endpoint_ci_bts; |
| |
| struct { |
| struct lchan_activate_info info; |
| bool activ_ack; /*< true as soon as RSL Chan Activ Ack is received */ |
| bool immediate_assignment_sent; |
| /*! This flag ensures that when an lchan activation has succeeded, and we have already |
| * sent ACKs like Immediate Assignment or BSSMAP Assignment Complete, and if other errors |
| * occur later, e.g. during release, that we don't send a NACK out of context. */ |
| bool concluded; |
| enum gsm0808_cause gsm0808_error_cause; |
| } activate; |
| |
| struct { |
| /* If an event to release the lchan comes in while still waiting for responses, just mark this |
| * flag, so that the lchan will gracefully release at the next sensible junction. */ |
| bool requested; |
| bool do_rr_release; |
| enum gsm48_rr_cause rr_cause; |
| |
| /* There is an RSL error cause of value 0, so we need a separate flag. */ |
| bool in_error; |
| /* RSL error code, RSL_ERR_* */ |
| uint8_t rsl_error_cause; |
| |
| /* If a release event is being handled, ignore other ricocheting release events until that |
| * release handling has concluded. */ |
| bool in_release_handler; |
| |
| /* is this release at the end of a CSFB call? */ |
| bool is_csfb; |
| } release; |
| |
| /* The logical channel type */ |
| enum gsm_chan_t type; |
| /* RSL channel mode */ |
| enum rsl_cmod_spd rsl_cmode; |
| /* If TCH, traffic channel mode */ |
| enum gsm48_chan_mode tch_mode; |
| enum lchan_csd_mode csd_mode; |
| /* Power levels for MS and BTS */ |
| uint8_t bs_power; |
| uint8_t ms_power; |
| /* Encryption information */ |
| struct gsm_encr encr; |
| |
| /* AMR bits */ |
| uint8_t mr_ms_lv[7]; |
| uint8_t mr_bts_lv[7]; |
| /* AMR bits were based on these rate bits: */ |
| uint16_t s15_s0; |
| |
| /* Established data link layer services */ |
| uint8_t sapis[8]; |
| |
| struct { |
| uint32_t bound_ip; /*< where the BTS receives RTP */ |
| uint16_t bound_port; |
| uint32_t connect_ip; /*< where the BTS sends RTP to (MGW) */ |
| uint16_t connect_port; |
| uint16_t conn_id; |
| uint8_t rtp_payload; |
| uint8_t rtp_payload2; |
| uint8_t speech_mode; |
| |
| /* info we need to postpone the AoIP |
| * assignment completed message */ |
| struct { |
| uint8_t rr_cause; |
| bool valid; |
| } ass_compl; |
| } abis_ip; |
| |
| uint8_t rqd_ta; |
| |
| /* table of neighbor cell measurements */ |
| struct neigh_meas_proc neigh_meas[MAX_NEIGH_MEAS]; |
| |
| /* cache of last measurement reports on this lchan */ |
| struct gsm_meas_rep meas_rep[MAX_MEAS_REP]; |
| int meas_rep_idx; |
| int meas_rep_count; |
| uint8_t meas_rep_last_seen_nr; |
| |
| /* GSM Random Access data */ |
| /* TODO: don't allocate this, rather keep an "is_present" flag */ |
| struct gsm48_req_ref *rqd_ref; |
| |
| struct gsm_subscriber_connection *conn; |
| |
| /* Depending on the preferences that where submitted together with |
| * the assignment and the current channel load, the BSC has to select |
| * one of the offered codec/rates. The final selection by the BSC is |
| * stored here and is used when sending the assignment complete or |
| * when performing a handover procedure. */ |
| struct channel_mode_and_rate ch_mode_rate; |
| }; |
| |
| /* One Timeslot in a TRX */ |
| struct gsm_bts_trx_ts { |
| struct gsm_bts_trx *trx; |
| /* number of this timeslot at the TRX */ |
| uint8_t nr; |
| |
| struct osmo_fsm_inst *fi; |
| char *last_errmsg; |
| |
| /* vty phys_chan_config setting, not necessarily in effect in case it was changed in the telnet |
| * vty after OML activation. Gets written on vty 'write file'. */ |
| enum gsm_phys_chan_config pchan_from_config; |
| /* When the timeslot OML is established, pchan_from_config is copied here. This is the pchan |
| * currently in effect; for dynamic ts, this is the dyn kind (GSM_PCHAN_TCH_F_TCH_H_PDCH or |
| * GSM_PCHAN_TCH_F_PDCH) and does not show the pchan type currently active. */ |
| enum gsm_phys_chan_config pchan_on_init; |
| /* This is the *actual* pchan type currently active. For dynamic timeslots, this reflects either |
| * GSM_PCHAN_NONE or one of the standard GSM_PCHAN_TCH_F, GSM_PCHAN_TCH_H, GSM_PCHAN_PDCH. |
| * Callers can use this transparently without being aware of dyn ts. */ |
| enum gsm_phys_chan_config pchan_is; |
| |
| /* After a PDCH ACT NACK, we shall not infinitely loop to try and ACT again. |
| * Also marks a timeslot where PDCH was deactivated by VTY. This is cleared whenever a timeslot |
| * enters IN_USE state, i.e. after each TCH use we try to PDCH ACT once again. */ |
| bool pdch_act_allowed; |
| |
| /* Whether TS_EV_OML_READY was received */ |
| bool is_oml_ready; |
| /* Whether TS_EV_RSL_READY was received */ |
| bool is_rsl_ready; |
| |
| struct gsm_abis_mo mo; |
| struct tlv_parsed nm_attr; |
| uint8_t nm_chan_comb; |
| int tsc; /* -1 == use BTS TSC */ |
| |
| struct { |
| /* Parameters below are configured by VTY */ |
| int enabled; |
| uint8_t maio; |
| uint8_t hsn; |
| struct bitvec arfcns; |
| uint8_t arfcns_data[1024/8]; |
| /* This is the pre-computed MA for channel assignments */ |
| struct bitvec ma; |
| uint8_t ma_len; /* part of ma_data that is used */ |
| uint8_t ma_data[8]; /* 10.5.2.21: max 8 bytes value part */ |
| } hopping; |
| |
| /* To which E1 subslot are we connected */ |
| struct gsm_e1_subslot e1_link; |
| |
| union { |
| struct { |
| struct om2k_mo om2k_mo; |
| } rbs2000; |
| }; |
| |
| struct gsm_lchan lchan[TS_MAX_LCHAN]; |
| }; |
| |
| #define GSM_LCHAN_SI(lchan, i) (void *)((lchan)->si.buf[i][0]) |
| |
| /* |
| * This keeps track of the paging status of one BTS. It |
| * includes a number of pending requests, a back pointer |
| * to the gsm_bts, a timer and some more state. |
| */ |
| struct gsm_bts_paging_state { |
| /* pending requests */ |
| struct llist_head pending_requests; |
| struct gsm_bts *bts; |
| |
| struct osmo_timer_list work_timer; |
| struct osmo_timer_list credit_timer; |
| |
| /* free chans needed */ |
| int free_chans_need; |
| |
| /* load */ |
| uint16_t available_slots; |
| }; |
| |
| struct gsm_envabtse { |
| struct gsm_abis_mo mo; |
| }; |
| |
| struct gsm_bts_gprs_nsvc { |
| struct gsm_bts *bts; |
| /* data read via VTY config file, to configure the BTS |
| * via OML from BSC */ |
| int id; |
| uint16_t nsvci; |
| uint16_t local_port; /* on the BTS */ |
| struct osmo_sockaddr remote; |
| struct gsm_abis_mo mo; |
| }; |
| |
| enum gprs_rlc_par { |
| RLC_T3142, |
| RLC_T3169, |
| RLC_T3191, |
| RLC_T3193, |
| RLC_T3195, |
| RLC_N3101, |
| RLC_N3103, |
| RLC_N3105, |
| CV_COUNTDOWN, |
| T_DL_TBF_EXT, /* ms */ |
| T_UL_TBF_EXT, /* ms */ |
| _NUM_RLC_PAR |
| }; |
| |
| enum gprs_cs { |
| GPRS_CS1, |
| GPRS_CS2, |
| GPRS_CS3, |
| GPRS_CS4, |
| GPRS_MCS1, |
| GPRS_MCS2, |
| GPRS_MCS3, |
| GPRS_MCS4, |
| GPRS_MCS5, |
| GPRS_MCS6, |
| GPRS_MCS7, |
| GPRS_MCS8, |
| GPRS_MCS9, |
| _NUM_GRPS_CS |
| }; |
| |
| struct gprs_rlc_cfg { |
| uint16_t parameter[_NUM_RLC_PAR]; |
| struct { |
| uint16_t repeat_time; /* ms */ |
| uint8_t repeat_count; |
| } paging; |
| uint32_t cs_mask; /* bitmask of gprs_cs */ |
| uint8_t initial_cs; |
| uint8_t initial_mcs; |
| }; |
| |
| |
| enum neigh_list_manual_mode { |
| NL_MODE_AUTOMATIC = 0, |
| NL_MODE_MANUAL = 1, |
| NL_MODE_MANUAL_SI5SEP = 2, /* SI2 and SI5 have separate neighbor lists */ |
| }; |
| |
| enum bts_loc_fix { |
| BTS_LOC_FIX_INVALID = 0, |
| BTS_LOC_FIX_2D = 1, |
| BTS_LOC_FIX_3D = 2, |
| }; |
| |
| extern const struct value_string bts_loc_fix_names[]; |
| |
| struct bts_location { |
| struct llist_head list; |
| time_t tstamp; |
| enum bts_loc_fix valid; |
| double lat; |
| double lon; |
| double height; |
| }; |
| |
| /* Channel load counter */ |
| struct load_counter { |
| unsigned int total; |
| unsigned int used; |
| }; |
| |
| /* Useful to track N-N relations between BTS, for example neighbors. */ |
| struct gsm_bts_ref { |
| struct llist_head entry; |
| struct gsm_bts *bts; |
| }; |
| |
| /* A single Page of a SMSCB message */ |
| struct bts_smscb_page { |
| /* SMSCB message we're part of */ |
| struct bts_smscb_message *msg; |
| /* Page Number within message (1 to 15) */ |
| uint8_t nr; |
| /* number of valid blocks in data (up to 4) */ |
| uint8_t num_blocks; |
| /* up to four blocks of 22 bytes each */ |
| uint8_t data[88]; |
| }; |
| |
| /* A SMSCB message (received from CBSP) */ |
| struct bts_smscb_message { |
| /* entry in bts_smscb_chan_state.messages */ |
| struct llist_head list; |
| struct { |
| /* input data from CBSP (CBC) side */ |
| uint16_t msg_id; |
| uint16_t serial_nr; |
| enum cbsp_category category; |
| uint16_t rep_period; |
| uint16_t num_bcast_req; |
| uint8_t dcs; |
| } input; |
| /* how often have all pages of this message been broadcast? */ |
| uint32_t bcast_count; |
| /* actual page data of this message */ |
| uint8_t num_pages; /* up to 15 */ |
| struct bts_smscb_page page[15]; |
| }; |
| |
| /* per-channel (basic/extended) CBCH state for a single BTS */ |
| struct bts_smscb_chan_state { |
| /* back-pointer to BTS */ |
| struct gsm_bts *bts; |
| /* list of bts_smscb_message */ |
| struct llist_head messages; |
| /* scheduling array; pointer of SMSCB pages */ |
| struct bts_smscb_page **sched_arr; |
| size_t sched_arr_size; |
| /* index of the next to be transmitted page into the scheduler array */ |
| size_t next_idx; |
| /* number of messages we have to pause due to overflow */ |
| uint8_t overflow; |
| }; |
| |
| struct bts_oml_fail_rep { |
| struct llist_head list; |
| time_t time; |
| struct msgb *mb; |
| }; |
| |
| /* One rejected BTS */ |
| struct gsm_bts_rejected { |
| /* list header in net->bts_rejected */ |
| struct llist_head list; |
| |
| uint16_t site_id; |
| uint16_t bts_id; |
| char ip[INET6_ADDRSTRLEN]; |
| time_t time; |
| }; |
| |
| extern struct osmo_tdef_group bsc_tdef_group[]; |
| |
| struct gsm_network *gsm_network_init(void *ctx); |
| |
| struct gsm_bts *gsm_bts_num(const struct gsm_network *net, int num); |
| struct gsm_bts *gsm_bts_by_cell_id(const struct gsm_network *net, |
| const struct gsm0808_cell_id *cell_id, |
| int match_idx); |
| |
| extern const struct value_string gsm_chreq_descs[]; |
| extern const struct value_string gsm_pchant_names[]; |
| extern const struct value_string gsm_pchant_descs[]; |
| extern const struct value_string gsm_pchan_ids[]; |
| const char *gsm_pchan_name(enum gsm_phys_chan_config c); |
| static inline const char *gsm_pchan_id(enum gsm_phys_chan_config c) |
| { return get_value_string(gsm_pchan_ids, 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_ts_name(const struct gsm_bts_trx_ts *ts); |
| char *gsm_ts_and_pchan_name(const struct gsm_bts_trx_ts *ts); |
| char *gsm_lchan_name_compute(const struct gsm_lchan *lchan); |
| |
| static inline char *gsm_lchan_name(const struct gsm_lchan *lchan) |
| { |
| return lchan->name; |
| } |
| |
| void gsm_abis_mo_reset(struct gsm_abis_mo *mo); |
| void gsm_mo_init(struct gsm_abis_mo *mo, struct gsm_bts *bts, |
| uint8_t obj_class, uint8_t p1, uint8_t p2, uint8_t p3); |
| |
| 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); |
| |
| uint8_t gsm_pchan2chan_nr(enum gsm_phys_chan_config pchan, |
| uint8_t ts_nr, uint8_t lchan_nr); |
| uint8_t gsm_lchan2chan_nr(const struct gsm_lchan *lchan); |
| uint8_t gsm_lchan_as_pchan2chan_nr(const struct gsm_lchan *lchan, |
| enum gsm_phys_chan_config as_pchan); |
| |
| void gsm48_lchan2chan_desc(struct gsm48_chan_desc *cd, |
| const struct gsm_lchan *lchan); |
| void gsm48_lchan2chan_desc_as_configured(struct gsm48_chan_desc *cd, const struct gsm_lchan *lchan); |
| |
| uint8_t gsm_ts_tsc(const struct gsm_bts_trx_ts *ts); |
| |
| enum gsm_phys_chan_config ts_pchan(struct gsm_bts_trx_ts *ts); |
| uint8_t pchan_subslots(enum gsm_phys_chan_config pchan); |
| bool ts_is_tch(struct gsm_bts_trx_ts *ts); |
| |
| |
| struct gsm_bts *conn_get_bts(struct gsm_subscriber_connection *conn); |
| |
| void conn_update_ms_power_class(struct gsm_subscriber_connection *conn, uint8_t power_class); |
| void lchan_update_ms_power_ctrl_level(struct gsm_lchan *lchan, int ms_power_dbm); |
| |
| enum { |
| BSC_CTR_ASSIGNMENT_ATTEMPTED, |
| BSC_CTR_ASSIGNMENT_COMPLETED, |
| BSC_CTR_ASSIGNMENT_STOPPED, |
| BSC_CTR_ASSIGNMENT_NO_CHANNEL, |
| BSC_CTR_ASSIGNMENT_TIMEOUT, |
| BSC_CTR_ASSIGNMENT_FAILED, |
| BSC_CTR_ASSIGNMENT_ERROR, |
| BSC_CTR_HANDOVER_ATTEMPTED, |
| BSC_CTR_HANDOVER_COMPLETED, |
| BSC_CTR_HANDOVER_STOPPED, |
| BSC_CTR_HANDOVER_NO_CHANNEL, |
| BSC_CTR_HANDOVER_TIMEOUT, |
| BSC_CTR_HANDOVER_FAILED, |
| BSC_CTR_HANDOVER_ERROR, |
| BSC_CTR_INTRA_CELL_HO_ATTEMPTED, |
| BSC_CTR_INTRA_CELL_HO_COMPLETED, |
| BSC_CTR_INTRA_CELL_HO_STOPPED, |
| BSC_CTR_INTRA_CELL_HO_NO_CHANNEL, |
| BSC_CTR_INTRA_CELL_HO_TIMEOUT, |
| BSC_CTR_INTRA_CELL_HO_FAILED, |
| BSC_CTR_INTRA_CELL_HO_ERROR, |
| BSC_CTR_INTRA_BSC_HO_ATTEMPTED, |
| BSC_CTR_INTRA_BSC_HO_COMPLETED, |
| BSC_CTR_INTRA_BSC_HO_STOPPED, |
| BSC_CTR_INTRA_BSC_HO_NO_CHANNEL, |
| BSC_CTR_INTRA_BSC_HO_TIMEOUT, |
| BSC_CTR_INTRA_BSC_HO_FAILED, |
| BSC_CTR_INTRA_BSC_HO_ERROR, |
| BSC_CTR_INTER_BSC_HO_OUT_ATTEMPTED, |
| BSC_CTR_INTER_BSC_HO_OUT_COMPLETED, |
| BSC_CTR_INTER_BSC_HO_OUT_STOPPED, |
| BSC_CTR_INTER_BSC_HO_OUT_TIMEOUT, |
| BSC_CTR_INTER_BSC_HO_OUT_FAILED, |
| BSC_CTR_INTER_BSC_HO_OUT_ERROR, |
| BSC_CTR_INTER_BSC_HO_IN_ATTEMPTED, |
| BSC_CTR_INTER_BSC_HO_IN_COMPLETED, |
| BSC_CTR_INTER_BSC_HO_IN_STOPPED, |
| BSC_CTR_INTER_BSC_HO_IN_NO_CHANNEL, |
| BSC_CTR_INTER_BSC_HO_IN_FAILED, |
| BSC_CTR_INTER_BSC_HO_IN_TIMEOUT, |
| BSC_CTR_INTER_BSC_HO_IN_ERROR, |
| BSC_CTR_PAGING_ATTEMPTED, |
| BSC_CTR_PAGING_DETACHED, |
| BSC_CTR_PAGING_RESPONDED, |
| BSC_CTR_PAGING_NO_ACTIVE_PAGING, |
| BSC_CTR_UNKNOWN_UNIT_ID, |
| BSC_CTR_MSCPOOL_SUBSCR_NO_MSC, |
| BSC_CTR_MSCPOOL_EMERG_FORWARDED, |
| BSC_CTR_MSCPOOL_EMERG_LOST, |
| }; |
| |
| static const struct rate_ctr_desc bsc_ctr_description[] = { |
| [BSC_CTR_ASSIGNMENT_ATTEMPTED] = {"assignment:attempted", "Assignment attempts"}, |
| [BSC_CTR_ASSIGNMENT_COMPLETED] = {"assignment:completed", "Assignment completed"}, |
| [BSC_CTR_ASSIGNMENT_STOPPED] = {"assignment:stopped", "Connection ended during Assignment"}, |
| [BSC_CTR_ASSIGNMENT_NO_CHANNEL] = {"assignment:no_channel", "Failure to allocate lchan for Assignment"}, |
| [BSC_CTR_ASSIGNMENT_TIMEOUT] = {"assignment:timeout", "Assignment timed out"}, |
| [BSC_CTR_ASSIGNMENT_FAILED] = {"assignment:failed", "Received Assignment Failure message"}, |
| [BSC_CTR_ASSIGNMENT_ERROR] = {"assignment:error", "Assignment failed for other reason"}, |
| |
| [BSC_CTR_HANDOVER_ATTEMPTED] = {"handover:attempted", "Intra-BSC handover attempts"}, |
| [BSC_CTR_HANDOVER_COMPLETED] = {"handover:completed", "Intra-BSC handover completed"}, |
| [BSC_CTR_HANDOVER_STOPPED] = {"handover:stopped", "Connection ended during HO"}, |
| [BSC_CTR_HANDOVER_NO_CHANNEL] = {"handover:no_channel", "Failure to allocate lchan for HO"}, |
| [BSC_CTR_HANDOVER_TIMEOUT] = {"handover:timeout", "Handover timed out"}, |
| [BSC_CTR_HANDOVER_FAILED] = {"handover:failed", "Received Handover Fail messages"}, |
| [BSC_CTR_HANDOVER_ERROR] = {"handover:error", "Re-assignment failed for other reason"}, |
| |
| [BSC_CTR_INTRA_CELL_HO_ATTEMPTED] = {"intra_cell_ho:attempted", "Intra-Cell handover attempts"}, |
| [BSC_CTR_INTRA_CELL_HO_COMPLETED] = {"intra_cell_ho:completed", "Intra-Cell handover completed"}, |
| [BSC_CTR_INTRA_CELL_HO_STOPPED] = {"intra_cell_ho:stopped", "Connection ended during HO"}, |
| [BSC_CTR_INTRA_CELL_HO_NO_CHANNEL] = {"intra_cell_ho:no_channel", "Failure to allocate lchan for HO"}, |
| [BSC_CTR_INTRA_CELL_HO_TIMEOUT] = {"intra_cell_ho:timeout", "Handover timed out"}, |
| [BSC_CTR_INTRA_CELL_HO_FAILED] = {"intra_cell_ho:failed", "Received Handover Fail messages"}, |
| [BSC_CTR_INTRA_CELL_HO_ERROR] = {"intra_cell_ho:error", "Re-assignment failed for other reason"}, |
| |
| [BSC_CTR_INTRA_BSC_HO_ATTEMPTED] = {"intra_bsc_ho:attempted", "Intra-BSC handover attempts"}, |
| [BSC_CTR_INTRA_BSC_HO_COMPLETED] = {"intra_bsc_ho:completed", "Intra-BSC handover completed"}, |
| [BSC_CTR_INTRA_BSC_HO_STOPPED] = {"intra_bsc_ho:stopped", "Connection ended during HO"}, |
| [BSC_CTR_INTRA_BSC_HO_NO_CHANNEL] = {"intra_bsc_ho:no_channel", "Failure to allocate lchan for HO"}, |
| [BSC_CTR_INTRA_BSC_HO_TIMEOUT] = {"intra_bsc_ho:timeout", "Handover timed out"}, |
| [BSC_CTR_INTRA_BSC_HO_FAILED] = {"intra_bsc_ho:failed", "Received Handover Fail messages"}, |
| [BSC_CTR_INTRA_BSC_HO_ERROR] = {"intra_bsc_ho:error", "Re-assignment failed for other reason"}, |
| |
| [BSC_CTR_INTER_BSC_HO_OUT_ATTEMPTED] = {"interbsc_ho_out:attempted", |
| "Attempts to handover to remote BSS"}, |
| [BSC_CTR_INTER_BSC_HO_OUT_COMPLETED] = {"interbsc_ho_out:completed", |
| "Handover to remote BSS completed"}, |
| [BSC_CTR_INTER_BSC_HO_OUT_STOPPED] = {"interbsc_ho_out:stopped", "Connection ended during HO"}, |
| [BSC_CTR_INTER_BSC_HO_OUT_TIMEOUT] = {"interbsc_ho_out:timeout", "Handover timed out"}, |
| [BSC_CTR_INTER_BSC_HO_OUT_FAILED] = {"interbsc_ho_out:failed", "Received Handover Fail message"}, |
| [BSC_CTR_INTER_BSC_HO_OUT_ERROR] = {"interbsc_ho_out:error", |
| "Handover to remote BSS failed for other reason"}, |
| |
| [BSC_CTR_INTER_BSC_HO_IN_ATTEMPTED] = {"interbsc_ho_in:attempted", |
| "Attempts to handover from remote BSS"}, |
| [BSC_CTR_INTER_BSC_HO_IN_COMPLETED] = {"interbsc_ho_in:completed", |
| "Handover from remote BSS completed"}, |
| [BSC_CTR_INTER_BSC_HO_IN_STOPPED] = {"interbsc_ho_in:stopped", "Connection ended during HO"}, |
| [BSC_CTR_INTER_BSC_HO_IN_NO_CHANNEL] = {"interbsc_ho_in:no_channel", |
| "Failure to allocate lchan for HO"}, |
| [BSC_CTR_INTER_BSC_HO_IN_TIMEOUT] = {"interbsc_ho_in:timeout", "Handover from remote BSS timed out"}, |
| [BSC_CTR_INTER_BSC_HO_IN_FAILED] = {"interbsc_ho_in:failed", "Received Handover Fail message"}, |
| [BSC_CTR_INTER_BSC_HO_IN_ERROR] = {"interbsc_ho_in:error", |
| "Handover from remote BSS failed for other reason"}, |
| |
| [BSC_CTR_PAGING_ATTEMPTED] = {"paging:attempted", "Paging attempts for a subscriber"}, |
| [BSC_CTR_PAGING_DETACHED] = {"paging:detached", "Paging request send failures because no responsible BTS was found"}, |
| [BSC_CTR_PAGING_RESPONDED] = {"paging:responded", "Paging attempts with successful response"}, |
| [BSC_CTR_PAGING_NO_ACTIVE_PAGING] = {"paging:no_active_paging", "Paging response without an active paging request (arrived after paging expiration?)"}, |
| |
| [BSC_CTR_UNKNOWN_UNIT_ID] = {"abis:unknown_unit_id", "Connection attempts from unknown IPA CCM Unit ID"}, |
| |
| [BSC_CTR_MSCPOOL_SUBSCR_NO_MSC] = {"mscpool:subscr:no_msc", |
| "Complete Layer 3 requests lost because no connected MSC is found available"}, |
| [BSC_CTR_MSCPOOL_EMERG_FORWARDED] = {"mscpool:emerg:forwarded", |
| "Emergency call requests forwarded to an MSC (see also per-MSC counters"}, |
| [BSC_CTR_MSCPOOL_EMERG_LOST] = {"mscpool:emerg:lost", |
| "Emergency call requests lost because no MSC was found available"}, |
| }; |
| |
| |
| |
| static const struct rate_ctr_group_desc bsc_ctrg_desc = { |
| "bsc", |
| "base station controller", |
| OSMO_STATS_CLASS_GLOBAL, |
| ARRAY_SIZE(bsc_ctr_description), |
| bsc_ctr_description, |
| }; |
| |
| /* Constants for the BSC stats */ |
| enum { |
| BSC_STAT_NUM_BTS_TOTAL, |
| }; |
| |
| /* BTS counter index if a BTS could not be found |
| * Currently we are limited to bts 0 - 255 in the VTY, but that might change in |
| * the future so use 2**16 */ |
| #define BTS_STAT_IDX_UNKNOWN (UINT16_MAX + 1) |
| |
| struct gsm_tz { |
| int override; /* if 0, use system's time zone instead. */ |
| int hr; /* hour */ |
| int mn; /* minute */ |
| int dst; /* daylight savings */ |
| }; |
| |
| struct gsm_network { |
| /* TODO MSCSPLIT the gsm_network struct is basically a kitchen sink for |
| * global settings and variables, "madly" mixing BSC and MSC stuff. Split |
| * this in e.g. struct osmo_bsc and struct osmo_msc, with the things |
| * these have in common, like country and network code, put in yet |
| * separate structs and placed as members in osmo_bsc and osmo_msc. */ |
| |
| struct osmo_plmn_id plmn; |
| |
| /* bit-mask of permitted encryption algorithms. LSB=A5/0, MSB=A5/7 */ |
| uint8_t a5_encryption_mask; |
| int neci; |
| |
| struct handover_cfg *ho; |
| struct { |
| unsigned int congestion_check_interval_s; |
| struct osmo_timer_list congestion_check_timer; |
| } hodec2; |
| |
| /* structures for keeping rate counters and gauge stats */ |
| struct rate_ctr_group *bsc_ctrs; |
| struct osmo_stat_item_group *bsc_statg; |
| |
| unsigned int num_bts; |
| struct llist_head bts_list; |
| struct llist_head bts_rejected; |
| |
| /* BTS-based counters when we can't find the actual BTS |
| * e.g. when conn->lchan is NULL */ |
| struct rate_ctr_group *bts_unknown_ctrs; |
| struct osmo_stat_item_group *bts_unknown_statg; |
| |
| /* see gsm_network_T_defs */ |
| struct osmo_tdef *T_defs; |
| |
| enum gsm_chan_t ctype_by_chreq[_NUM_CHREQ_T]; |
| |
| /* Use a TCH for handling requests of type paging any */ |
| int pag_any_tch; |
| |
| /* msc configuration */ |
| struct llist_head mscs; |
| uint8_t mscs_round_robin_next_nr; |
| /* Emergency calls potentially select a different set of MSCs, so to not mess up the normal round-robin |
| * behavior, emergency calls need a separate round-robin counter. */ |
| uint8_t mscs_round_robin_next_emerg_nr; |
| |
| /* rf ctl related bits */ |
| int mid_call_timeout; |
| char *rf_ctrl_name; |
| struct osmo_bsc_rf *rf_ctrl; |
| int auto_off_timeout; |
| |
| struct bsc_cbc_link *cbc; |
| |
| /* control interface */ |
| struct ctrl_handle *ctrl; |
| |
| /* Allow or disallow TCH/F on dynamic TCH/F_TCH/H_PDCH; OS#1778 */ |
| bool dyn_ts_allow_tch_f; |
| |
| /* all active subscriber connections. */ |
| struct llist_head subscr_conns; |
| |
| /* if override is nonzero, this timezone data is used for all MM |
| * contexts. */ |
| /* TODO: in OsmoNITB, tz-override used to be BTS-specific. To enable |
| * BTS|RNC specific timezone overrides for multi-tz networks in |
| * OsmoMSC, this should be tied to the location area code (LAC). */ |
| struct gsm_tz tz; |
| |
| /* List of all struct bsc_subscr used in libbsc. This llist_head is |
| * allocated so that the llist_head pointer itself can serve as a |
| * talloc context (useful to not have to pass the entire gsm_network |
| * struct to the bsc_subscr_* API, and for bsc_susbscr unit tests to |
| * not require gsm_data.h). In an MSC-without-BSC environment, this |
| * pointer is NULL to indicate absence of a bsc_subscribers list. */ |
| struct llist_head *bsc_subscribers; |
| |
| /* Timer for periodic channel load measurements to maintain each BTS's T3122. */ |
| struct osmo_timer_list t3122_chan_load_timer; |
| |
| struct { |
| struct mgcp_client_conf *conf; |
| struct mgcp_client *client; |
| struct osmo_tdef *tdefs; |
| } mgw; |
| |
| /* Remote BSS Cell Identifier Lists */ |
| struct neighbor_ident_list *neighbor_bss_cells; |
| |
| /* Don't refuse to start with mutually exclusive codec settings */ |
| bool allow_unusable_timeslots; |
| |
| uint8_t nri_bitlen; |
| struct osmo_nri_ranges *null_nri_ranges; |
| }; |
| |
| struct gsm_audio_support { |
| uint8_t hr : 1, |
| ver : 7; |
| }; |
| |
| extern void talloc_ctx_init(void *ctx_root); |
| |
| enum gsm_bts_type parse_btstype(const char *arg); |
| const char *btstype2str(enum gsm_bts_type type); |
| struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac, |
| struct gsm_bts *start_bts); |
| |
| extern void *tall_bsc_ctx; |
| |
| extern struct gsm_network *bsc_gsmnet; |
| |
| enum bts_gprs_mode bts_gprs_mode_parse(const char *arg, int *valid); |
| const char *bts_gprs_mode_name(enum bts_gprs_mode mode); |
| |
| void gsm48_ra_id_by_bts(struct gsm48_ra_id *buf, struct gsm_bts *bts); |
| void gprs_ra_id_by_bts(struct gprs_ra_id *raid, struct gsm_bts *bts); |
| |
| struct gsm_subscriber_connection *bsc_subscr_con_allocate(struct gsm_network *network); |
| |
| struct gsm_bts *gsm_bts_alloc_register(struct gsm_network *net, enum gsm_bts_type type, uint8_t bsic); |
| struct gsm_bts *bsc_bts_alloc_register(struct gsm_network *net, enum gsm_bts_type type, uint8_t bsic); |
| |
| void set_ts_e1link(struct gsm_bts_trx_ts *ts, uint8_t e1_nr, |
| uint8_t e1_ts, uint8_t e1_ts_ss); |
| |
| /* generic E1 line operations for all ISDN-based BTS. */ |
| extern struct e1inp_line_ops bts_isdn_e1inp_line_ops; |
| |
| /* control interface handling */ |
| int bsc_base_ctrl_cmds_install(void); |
| |
| bool ts_is_usable(const struct gsm_bts_trx_ts *ts); |
| |
| int gsm_lchan_type_by_pchan(enum gsm_phys_chan_config pchan); |
| enum gsm_phys_chan_config gsm_pchan_by_lchan_type(enum gsm_chan_t type); |
| |
| enum gsm48_rr_cause bsc_gsm48_rr_cause_from_gsm0808_cause(enum gsm0808_cause c); |
| enum gsm48_rr_cause bsc_gsm48_rr_cause_from_rsl_cause(uint8_t c); |
| |
| int bsc_sccp_inst_next_conn_id(struct osmo_sccp_instance *sccp); |
| |
| #endif /* _GSM_DATA_H */ |