| #ifndef _GSM_DATA_H |
| #define _GSM_DATA_H |
| |
| #include <sys/types.h> |
| |
| #include <openbsc/timer.h> |
| |
| #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) |
| |
| #define GSM_MAX_BTS 8 |
| #define BTS_MAX_TRX 8 |
| #define TS_MAX_LCHAN 8 |
| |
| #define HARDCODED_ARFCN 123 |
| |
| /* communications link with a BTS */ |
| struct gsm_bts_link { |
| struct gsm_bts *bts; |
| }; |
| |
| enum gsm_call_type { |
| GSM_CT_NONE, |
| GSM_CT_MO, |
| GSM_CT_MT, |
| }; |
| |
| enum gsm_call_state { |
| GSM_CSTATE_NULL, |
| GSM_CSTATE_INITIATED, |
| GSM_CSTATE_ACTIVE, |
| GSM_CSTATE_RELEASE_REQ, |
| }; |
| |
| /* One end of a call */ |
| struct gsm_call { |
| enum gsm_call_type type; |
| enum gsm_call_state state; |
| u_int8_t transaction_id; /* 10.3.2 */ |
| |
| /* the 'local' subscriber */ |
| struct gsm_subscriber *subscr; |
| }; |
| |
| |
| enum gsm_phys_chan_config { |
| GSM_PCHAN_NONE, |
| GSM_PCHAN_CCCH, |
| GSM_PCHAN_CCCH_SDCCH4, |
| GSM_PCHAN_TCH_F, |
| GSM_PCHAN_TCH_H, |
| GSM_PCHAN_SDCCH8_SACCH8C, |
| GSM_PCHAN_UNKNOWN, |
| }; |
| |
| enum gsm_chan_t { |
| GSM_LCHAN_NONE, |
| GSM_LCHAN_SDCCH, |
| GSM_LCHAN_TCH_F, |
| GSM_LCHAN_TCH_H, |
| GSM_LCHAN_UNKNOWN, |
| }; |
| |
| |
| /* 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, |
| }; |
| |
| struct gsm_lchan { |
| /* The TS that we're part of */ |
| struct gsm_bts_trx_ts *ts; |
| /* The logical subslot number in the TS */ |
| u_int8_t nr; |
| /* The lotical channel type */ |
| enum gsm_chan_t type; |
| /* To whom we are allocated at the moment */ |
| struct gsm_subscriber *subscr; |
| /* Universal timer, undefined use ;) */ |
| struct timer_list timer; |
| |
| /* local end of a call, if any */ |
| struct gsm_call call; |
| |
| /* temporary user data, to be removed... and merged into gsm_call */ |
| void *user_data; |
| }; |
| |
| #define BTS_TRX_F_ACTIVATED 0x0001 |
| /* One Timeslot in a TRX */ |
| struct gsm_bts_trx_ts { |
| struct gsm_bts_trx *trx; |
| /* number of this timeslot at the TRX */ |
| u_int8_t nr; |
| |
| enum gsm_phys_chan_config pchan; |
| |
| unsigned int flags; |
| |
| struct gsm_lchan lchan[TS_MAX_LCHAN]; |
| }; |
| |
| /* One TRX in a BTS */ |
| struct gsm_bts_trx { |
| struct gsm_bts *bts; |
| /* number of this TRX in the BTS */ |
| u_int8_t nr; |
| |
| u_int16_t arfcn; |
| struct gsm_bts_trx_ts ts[8]; |
| }; |
| |
| /* One BTS */ |
| struct gsm_bts { |
| struct gsm_network *network; |
| /* number of ths BTS in network */ |
| u_int8_t nr; |
| /* location area code of this BTS */ |
| u_int8_t location_area_code; |
| |
| /* Abis network management O&M handle */ |
| struct abis_nm_h *nmh; |
| /* number of this BTS on given E1 link */ |
| u_int8_t bts_nr; |
| |
| /* CCCH is on C0 */ |
| struct gsm_bts_trx *c0; |
| /* transceivers */ |
| int num_trx; |
| struct gsm_bts_trx trx[BTS_MAX_TRX+1]; |
| }; |
| |
| struct gsm_ms { |
| unsigned long imei; |
| }; |
| |
| struct gsm_network { |
| /* global parameters */ |
| u_int16_t country_code; |
| u_int16_t network_code; |
| |
| unsigned int num_bts; |
| /* private lists */ |
| struct gsm_bts bts[GSM_MAX_BTS+1]; |
| struct gsm_ms *ms; |
| struct gsm_subscriber *subscriber; |
| |
| void (*update_request_accepted)(struct gsm_bts *, u_int32_t); |
| void (*channel_allocated)(struct gsm_lchan *bts, enum gsm_chreq_reason_t); |
| void (*channel_response)(struct gsm_lchan *, int acked); |
| void (*call_released)(struct gsm_lchan *); |
| }; |
| |
| struct gsm_network *gsm_network_init(unsigned int num_bts, u_int16_t country_code, |
| u_int16_t network_code); |
| |
| enum gsm_e1_event { |
| EVT_E1_NONE, |
| EVT_E1_OML_UP, |
| EVT_E1_RSL_UP, |
| EVT_E1_OML_DN, |
| EVT_E1_RSL_DN, |
| }; |
| |
| #endif |