libosmogsm  0.9.3
Osmocom GSM library
include/osmocom/gsm/gsm48.h
00001 #pragma once
00002 
00003 #include <osmocom/gsm/tlv.h>
00004 #include <osmocom/gsm/protocol/gsm_04_08.h>
00005 #include <osmocom/gsm/gsm48_ie.h>
00006 
00007 /* reserved according to GSM 03.03 ยง 2.4 */
00008 #define GSM_RESERVED_TMSI   0xFFFFFFFF
00009 
00010 /* A parsed GPRS routing area */
00011 struct gprs_ra_id {
00012         uint16_t        mnc;
00013         uint16_t        mcc;
00014         uint16_t        lac;
00015         uint8_t         rac;
00016 };
00017 
00018 extern const struct tlv_definition gsm48_att_tlvdef;
00019 extern const struct tlv_definition gsm48_rr_att_tlvdef;
00020 extern const struct tlv_definition gsm48_mm_att_tlvdef;
00021 const char *gsm48_cc_state_name(uint8_t state);
00022 const char *gsm48_cc_msg_name(uint8_t msgtype);
00023 const char *rr_cause_name(uint8_t cause);
00024 
00025 int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc,
00026                      uint16_t *mnc, uint16_t *lac);
00027 void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc,
00028                         uint16_t mnc, uint16_t lac);
00029 int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi);
00030 int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi);
00031 
00032 /* Convert Mobile Identity (10.5.1.4) to string */
00033 int gsm48_mi_to_string(char *string, const int str_len,
00034                         const uint8_t *mi, const int mi_len);
00035 const char *gsm48_mi_type_name(uint8_t mi);
00036 
00037 /* Parse Routeing Area Identifier */
00038 void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf);
00039 int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid);
00040 
00041 int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc);