/*! \file gsm48.h */ #pragma once #include #include #include #include #include #include /* reserved according to GSM 03.03 ยง 2.4 */ #define GSM_RESERVED_TMSI 0xFFFFFFFF /* Valid MCC and MNC range from 0 to 999. * To mark an invalid / unset MNC, this value shall be used. */ #define GSM_MCC_MNC_INVALID 0xFFFF /* A parsed GPRS routing area */ struct gprs_ra_id { uint16_t mcc; uint16_t mnc; bool mnc_3_digits; uint16_t lac; uint8_t rac; }; extern const struct tlv_definition gsm48_att_tlvdef; extern const struct tlv_definition gsm48_rr_att_tlvdef; extern const struct tlv_definition gsm48_mm_att_tlvdef; const char *gsm48_cc_state_name(uint8_t state); const char *gsm48_cc_msg_name(uint8_t msgtype); const char *gsm48_rr_msg_name(uint8_t msgtype); const char *rr_cause_name(uint8_t cause); const char *osmo_rai_name(const struct gprs_ra_id *rai); int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc, uint16_t *mnc, uint16_t *lac) OSMO_DEPRECATED("Use gsm48_decode_lai2() instead, to not lose leading zeros in the MNC"); void gsm48_decode_lai2(const struct gsm48_loc_area_id *lai, struct osmo_location_area_id *decoded); void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc, uint16_t mnc, uint16_t lac) OSMO_DEPRECATED("Use gsm48_generate_lai2() instead, to not lose leading zeros in the MNC"); void gsm48_generate_lai2(struct gsm48_loc_area_id *lai48, const struct osmo_location_area_id *lai); int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi); int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi); uint8_t gsm48_generate_mid(uint8_t *buf, const char *id, uint8_t mi_type); /* Convert Mobile Identity (10.5.1.4) to string */ int gsm48_mi_to_string(char *string, const int str_len, const uint8_t *mi, const int mi_len); const char *gsm48_mi_type_name(uint8_t mi); const char *osmo_mi_name(const uint8_t *mi, uint8_t mi_len); /* Parse Routeing Area Identifier */ void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf); void gsm48_encode_ra(struct gsm48_ra_id *out, const struct gprs_ra_id *raid); int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid) OSMO_DEPRECATED("Use gsm48_encode_ra() instead"); int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc); void gsm48_mcc_mnc_to_bcd(uint8_t *bcd_dst, uint16_t mcc, uint16_t mnc) OSMO_DEPRECATED("Use osmo_plmn_to_bcd() instead, to not lose leading zeros in the MNC"); void gsm48_mcc_mnc_from_bcd(uint8_t *bcd_src, uint16_t *mcc, uint16_t *mnc) OSMO_DEPRECATED("Use osmo_plmn_from_bcd() instead, to not lose leading zeros in the MNC"); struct gsm48_hdr *gsm48_push_l3hdr(struct msgb *msg, uint8_t pdisc, uint8_t msg_type); #define gsm48_push_l3hdr_tid(msg, pdisc, tid, msg_type) \ gsm48_push_l3hdr(msg, (pdisc & 0x0f) | (tid << 4), msg_type)