163 lines
5.4 KiB
C
163 lines
5.4 KiB
C
#ifndef _SYSINFO_H
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#define _SYSINFO_H
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#include <osmocom/gsm/gsm48_ie.h>
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/* collection of system information of the current cell */
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/* frequency mask flags of frequency type */
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#define FREQ_TYPE_SERV 0x01 /* frequency of the serving cell */
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#define FREQ_TYPE_HOPP 0x02 /* frequency used for channel hopping */
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#define FREQ_TYPE_NCELL 0x1c /* frequency of the neighbor cell */
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#define FREQ_TYPE_NCELL_2 0x04 /* sub channel of SI 2 */
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#define FREQ_TYPE_NCELL_2bis 0x08 /* sub channel of SI 2bis */
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#define FREQ_TYPE_NCELL_2ter 0x10 /* sub channel of SI 2ter */
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#define FREQ_TYPE_REP 0xe0 /* frequency to be reported */
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#define FREQ_TYPE_REP_5 0x20 /* sub channel of SI 5 */
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#define FREQ_TYPE_REP_5bis 0x40 /* sub channel of SI 5bis */
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#define FREQ_TYPE_REP_5ter 0x80 /* sub channel of SI 5ter */
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/* structure of all received system information */
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struct gsm48_sysinfo {
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/* flags of available information */
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uint8_t si1, si2, si2bis, si2ter, si3,
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si4, si5, si5bis, si5ter, si6;
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/* memory maps to simply detect change in system info messages */
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uint8_t si1_msg[23];
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uint8_t si2_msg[23];
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uint8_t si2b_msg[23];
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uint8_t si2t_msg[23];
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uint8_t si3_msg[23];
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uint8_t si4_msg[23];
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uint8_t si5_msg[18];
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uint8_t si5b_msg[18];
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uint8_t si5t_msg[18];
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uint8_t si6_msg[18];
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struct gsm_sysinfo_freq freq[1024]; /* all frequencies */
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uint16_t hopping[64]; /* hopping arfcn */
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uint8_t hopp_len;
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/* serving cell */
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uint8_t bsic;
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uint16_t cell_id;
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uint16_t mcc, mnc, lac; /* LAI */
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uint8_t max_retrans; /* decoded */
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uint8_t tx_integer; /* decoded */
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uint8_t reest_denied; /* 1 = denied */
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uint8_t cell_barr; /* 1 = barred */
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uint16_t class_barr; /* bit 10 is emergency */
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/* si1 rest */
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uint8_t nch;
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uint8_t nch_position;
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uint8_t band_ind; /* set for DCS */
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/* si3 rest */
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uint8_t sp;
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uint8_t sp_cbq;
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uint8_t sp_cro;
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uint8_t sp_to;
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uint8_t sp_pt;
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uint8_t po;
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uint8_t po_value;
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uint8_t si2ter_ind;
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uint8_t ecsm;
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uint8_t sched;
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uint8_t sched_where;
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uint8_t gprs;
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uint8_t gprs_ra_colour;
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uint8_t gprs_si13_pos;
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/* cell selection */
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int8_t ms_txpwr_max_cch;
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int8_t cell_resel_hyst_db;
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int8_t rxlev_acc_min_db;
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uint8_t neci;
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uint8_t acs;
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/* bcch options */
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uint8_t bcch_radio_link_timeout;
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uint8_t bcch_dtx;
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uint8_t bcch_pwrc;
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/* sacch options */
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uint8_t sacch_radio_link_timeout;
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uint8_t sacch_dtx;
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uint8_t sacch_pwrc;
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/* control channel */
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uint8_t ccch_conf;
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uint8_t bs_ag_blks_res;
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uint8_t att_allowed;
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uint8_t pag_mf_periods;
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int32_t t3212; /* real value in seconds */
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/* channel description */
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uint8_t tsc;
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uint8_t h; /* using hopping */
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uint16_t arfcn;
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uint8_t maio;
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uint8_t hsn;
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uint8_t chan_nr; /* type, slot, sub slot */
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/* neighbor cell */
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uint8_t nb_ext_ind_si2;
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uint8_t nb_ba_ind_si2;
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uint8_t nb_ext_ind_si2bis;
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uint8_t nb_ba_ind_si2bis;
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uint8_t nb_multi_rep_si2ter; /* see GSM 05.08 8.4.3 */
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uint8_t nb_ba_ind_si2ter;
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uint8_t nb_ext_ind_si5;
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uint8_t nb_ba_ind_si5;
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uint8_t nb_ext_ind_si5bis;
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uint8_t nb_ba_ind_si5bis;
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uint8_t nb_multi_rep_si5ter;
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uint8_t nb_ba_ind_si5ter;
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uint8_t nb_ncc_permitted_si2;
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uint8_t nb_ncc_permitted_si6;
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uint8_t nb_max_retrans; /* decoded */
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uint8_t nb_tx_integer; /* decoded */
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uint8_t nb_reest_denied; /* 1 = denied */
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uint8_t nb_cell_barr; /* 1 = barred */
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uint16_t nb_class_barr; /* bit 10 is emergency */
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};
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char *gsm_print_arfcn(uint16_t arfcn);
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uint8_t gsm_refer_pcs(uint16_t arfcn, struct gsm48_sysinfo *s);
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int gsm48_sysinfo_dump(struct gsm48_sysinfo *s, uint16_t arfcn,
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void (*print)(void *, const char *, ...), void *priv,
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uint8_t *freq_map);
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int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc,
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uint16_t *mnc, uint16_t *lac);
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int gsm48_decode_chan_h0(struct gsm48_chan_desc *cd, uint8_t *tsc,
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uint16_t *arfcn);
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int gsm48_decode_chan_h1(struct gsm48_chan_desc *cd, uint8_t *tsc,
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uint8_t *maio, uint8_t *hsn);
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int gsm48_decode_sysinfo1(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_1 *si, int len);
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int gsm48_decode_sysinfo2(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_2 *si, int len);
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int gsm48_decode_sysinfo2bis(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_2bis *si, int len);
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int gsm48_decode_sysinfo2ter(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_2ter *si, int len);
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int gsm48_decode_sysinfo3(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_3 *si, int len);
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int gsm48_decode_sysinfo4(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_4 *si, int len);
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int gsm48_decode_sysinfo5(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_5 *si, int len);
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int gsm48_decode_sysinfo5bis(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_5bis *si, int len);
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int gsm48_decode_sysinfo5ter(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_5ter *si, int len);
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int gsm48_decode_sysinfo6(struct gsm48_sysinfo *s,
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struct gsm48_system_information_type_6 *si, int len);
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int gsm48_decode_mobile_alloc(struct gsm_sysinfo_freq *freq,
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uint8_t *ma, uint8_t len, uint16_t *hopping, uint8_t *hopp_len,
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int si4);
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int gsm48_encode_lai_hex(struct gsm48_loc_area_id *lai, uint16_t mcc,
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uint16_t mnc, uint16_t lac);
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int gsm48_decode_lai_hex(struct gsm48_loc_area_id *lai, uint16_t *mcc,
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uint16_t *mnc, uint16_t *lac);
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#endif /* _SYSINFO_H */
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