131 lines
2.3 KiB
C
131 lines
2.3 KiB
C
#ifndef _GSM_DATA_H
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#define _GSM_DATA_H
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#include <sys/types.h>
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#define GSM_MAX_BTS 8
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#define BTS_MAX_TRX 8
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#define TS_MAX_LCHAN 8
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#define HARDCODED_ARFCN 123
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/* communications link with a BTS */
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struct gsm_bts_link {
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struct gsm_bts *bts;
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};
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enum gsm_phys_chan_config {
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GSM_PCHAN_NONE,
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GSM_PCHAN_CCCH,
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GSM_PCHAN_CCCH_SDCCH4,
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GSM_PCHAN_TCH_F,
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GSM_PCHAN_TCH_H,
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GSM_PCHAN_SDCCH8_SACCH8C,
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GSM_PCHAN_UNKNOWN,
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};
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enum gsm_chan_t {
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GSM_LCHAN_NONE,
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GSM_LCHAN_SDCCH,
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GSM_LCHAN_TCH_F,
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GSM_LCHAN_TCH_H,
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GSM_LCHAN_UNKNOWN,
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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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u_int8_t nr;
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/* The lotical channel type */
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enum gsm_chan_t type;
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/* To whom we are allocated at the moment */
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struct gsm_subscriber *subscr;
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};
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#define BTS_TRX_F_ACTIVATED 0x0001
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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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u_int8_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_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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struct gsm_bts *bts;
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/* number of this TRX in the BTS */
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u_int8_t nr;
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u_int16_t arfcn;
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struct gsm_bts_trx_ts ts[8];
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};
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/* One BTS */
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struct gsm_bts {
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struct gsm_network *network;
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/* number of ths BTS in network */
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u_int8_t nr;
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/* location area code of this BTS */
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u_int8_t location_area_code;
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/* Abis network management O&M handle */
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struct abis_nm_h *nmh;
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/* number of this BTS on given E1 link */
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u_int8_t bts_nr;
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/* CCCH is on C0 */
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struct gsm_bts_trx *c0;
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/* transceivers */
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int num_trx;
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struct gsm_bts_trx trx[BTS_MAX_TRX+1];
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};
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struct gsm_ms {
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unsigned long imei;
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};
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struct gsm_network {
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/* global parameters */
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u_int8_t country_code;
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u_int8_t network_code;
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unsigned int num_bts;
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/* private lists */
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struct gsm_bts bts[GSM_MAX_BTS+1];
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struct gsm_ms *ms;
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struct gsm_subscriber *subscriber;
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};
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struct gsm_network *gsm_network_init(unsigned int num_bts, u_int8_t country_code,
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u_int8_t network_code);
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enum gsm_call_type {
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GSM_CT_NONE,
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GSM_CT_MO,
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GSM_CT_MT,
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};
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enum gsm_call_state {
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GSM_CSTATE_NONE,
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};
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/* One end of a call */
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struct gsm_call {
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enum gsm_call_type type;
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enum gsm_call_state state;
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/* the 'local' subscriber */
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struct gsm_subscriber *subscr;
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};
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#endif
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