libosmogsm  0.9.6.311-c977
Osmocom GSM library
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gsm48.h
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1 
3 #pragma once
4 
5 #include <osmocom/gsm/tlv.h>
6 #include <osmocom/gsm/protocol/gsm_04_08.h>
7 #include <osmocom/gsm/gsm48_ie.h>
8 
9 /* reserved according to GSM 03.03 ยง 2.4 */
10 #define GSM_RESERVED_TMSI 0xFFFFFFFF
11 
12 /* A parsed GPRS routing area */
13 struct gprs_ra_id {
14  uint16_t mnc;
15  uint16_t mcc;
16  uint16_t lac;
17  uint8_t rac;
18 };
19 
20 extern const struct tlv_definition gsm48_att_tlvdef;
21 extern const struct tlv_definition gsm48_rr_att_tlvdef;
22 extern const struct tlv_definition gsm48_mm_att_tlvdef;
23 const char *gsm48_cc_state_name(uint8_t state);
24 const char *gsm48_cc_msg_name(uint8_t msgtype);
25 const char *gsm48_rr_msg_name(uint8_t msgtype);
26 const char *rr_cause_name(uint8_t cause);
27 
28 int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc,
29  uint16_t *mnc, uint16_t *lac);
30 void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc,
31  uint16_t mnc, uint16_t lac);
32 int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi);
33 int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi);
34 
35 /* Convert Mobile Identity (10.5.1.4) to string */
36 int gsm48_mi_to_string(char *string, const int str_len,
37  const uint8_t *mi, const int mi_len);
38 const char *gsm48_mi_type_name(uint8_t mi);
39 
40 /* Parse Routeing Area Identifier */
41 void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf);
42 int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid);
43 
44 int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc);
45 
46 void gsm48_mcc_mnc_to_bcd(uint8_t *bcd_dst, uint16_t mcc, uint16_t mnc);
47 void gsm48_mcc_mnc_from_bcd(uint8_t *bcd_src, uint16_t *mcc, uint16_t *mnc);
void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf)
Parse TS 04.08 Routing Area Identifier.
Definition: gsm48.c:668
uint8_t rac
Definition: gsm48.h:17
int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi)
Generate TS 04.08 Mobile ID from TMSI.
Definition: gsm48.c:572
int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc, uint16_t *mnc, uint16_t *lac)
Decode TS 04.08 Location Area Identifier.
Definition: gsm48.c:516
void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc, uint16_t mnc, uint16_t lac)
Encode TS 04.08 Location Area Identifier.
Definition: gsm48.c:501
const char * gsm48_rr_msg_name(uint8_t msgtype)
return string representation of RR Message Type
Definition: gsm48.c:373
const struct tlv_definition gsm48_mm_att_tlvdef
TLV parser definitions for TS 04.08 MM.
Definition: gsm48.c:136
int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid)
Encode a TS 04.08 Routing Area Identifier.
Definition: gsm48.c:693
Definition: gsm48.h:13
const char * gsm48_mi_type_name(uint8_t mi)
return string representation of Mobile Identity Type
Definition: gsm48.c:413
int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi)
Generate TS 04.08 Mobile ID from IMSI.
Definition: gsm48.c:588
int gsm48_mi_to_string(char *string, const int str_len, const uint8_t *mi, const int mi_len)
Convert TS 04.08 Mobile Identity (10.5.1.4) to string.
Definition: gsm48.c:623
void gsm48_mcc_mnc_from_bcd(uint8_t *bcd_src, uint16_t *mcc, uint16_t *mnc)
Definition: gsm48.c:480
const struct tlv_definition gsm48_rr_att_tlvdef
TLV parser definitions for TS 04.08 RR.
Definition: gsm48.c:91
int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc)
Determine number of paging sub-channels.
Definition: gsm48.c:727
uint16_t lac
Definition: gsm48.h:16
const struct tlv_definition gsm48_att_tlvdef
TLV parser definitions for TS 04.08 CC.
Definition: gsm48.c:49
const char * rr_cause_name(uint8_t cause)
return string representation of RR Cause value
Definition: gsm48.c:175
const char * gsm48_cc_state_name(uint8_t state)
return string representation of CC State
Definition: gsm48.c:217
const char * gsm48_cc_msg_name(uint8_t msgtype)
return string representation of CC Message Type
Definition: gsm48.c:265
uint16_t mcc
Definition: gsm48.h:15
Definition of All 256 IE / TLV.
Definition: tlv.h:389
uint16_t mnc
Definition: gsm48.h:14
void gsm48_mcc_mnc_to_bcd(uint8_t *bcd_dst, uint16_t mcc, uint16_t mnc)
Definition: gsm48.c:458