libosmogsm  0.9.6.277-11f2
Osmocom GSM library
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gsm48.h
1 #pragma once
2 
3 #include <osmocom/gsm/tlv.h>
4 #include <osmocom/gsm/protocol/gsm_04_08.h>
5 #include <osmocom/gsm/gsm48_ie.h>
6 
7 /* reserved according to GSM 03.03 ยง 2.4 */
8 #define GSM_RESERVED_TMSI 0xFFFFFFFF
9 
10 /* A parsed GPRS routing area */
11 struct gprs_ra_id {
12  uint16_t mnc;
13  uint16_t mcc;
14  uint16_t lac;
15  uint8_t rac;
16 };
17 
18 extern const struct tlv_definition gsm48_att_tlvdef;
19 extern const struct tlv_definition gsm48_rr_att_tlvdef;
20 extern const struct tlv_definition gsm48_mm_att_tlvdef;
21 const char *gsm48_cc_state_name(uint8_t state);
22 const char *gsm48_cc_msg_name(uint8_t msgtype);
23 const char *gsm48_rr_msg_name(uint8_t msgtype);
24 const char *rr_cause_name(uint8_t cause);
25 
26 int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc,
27  uint16_t *mnc, uint16_t *lac);
28 void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc,
29  uint16_t mnc, uint16_t lac);
30 int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi);
31 int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi);
32 
33 /* Convert Mobile Identity (10.5.1.4) to string */
34 int gsm48_mi_to_string(char *string, const int str_len,
35  const uint8_t *mi, const int mi_len);
36 const char *gsm48_mi_type_name(uint8_t mi);
37 
38 /* Parse Routeing Area Identifier */
39 void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf);
40 int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid);
41 
42 int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc);
43 
44 void gsm48_mcc_mnc_to_bcd(uint8_t *bcd_dst, uint16_t mcc, uint16_t mnc);
45 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:667
int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi)
Generate TS 04.08 Mobile ID from TMSI.
Definition: gsm48.c:571
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:515
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:500
const char * gsm48_rr_msg_name(uint8_t msgtype)
return string representation of RR Message Type
Definition: gsm48.c:372
const struct tlv_definition gsm48_mm_att_tlvdef
TLV parser definitions for TS 04.08 MM.
Definition: gsm48.c:135
int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid)
Encode a TS 04.08 Routing Area Identifier.
Definition: gsm48.c:692
Definition: gsm48.h:11
const char * gsm48_mi_type_name(uint8_t mi)
return string representation of Mobile Identity Type
Definition: gsm48.c:412
int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi)
Generate TS 04.08 Mobile ID from IMSI.
Definition: gsm48.c:587
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:622
const struct tlv_definition gsm48_rr_att_tlvdef
TLV parser definitions for TS 04.08 RR.
Definition: gsm48.c:90
int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc)
Determine number of paging sub-channels.
Definition: gsm48.c:726
const struct tlv_definition gsm48_att_tlvdef
TLV parser definitions for TS 04.08 CC.
Definition: gsm48.c:48
const char * rr_cause_name(uint8_t cause)
return string representation of RR Cause value
Definition: gsm48.c:174
const char * gsm48_cc_state_name(uint8_t state)
return string representation of CC State
Definition: gsm48.c:216
const char * gsm48_cc_msg_name(uint8_t msgtype)
return string representation of CC Message Type
Definition: gsm48.c:264
Definition of All 256 IE / TLV.
Definition: tlv.h:390