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#ifndef _OSMOCORE_GSM48_H
#define _OSMOCORE_GSM48_H
#include <stdbool.h>
#include <stdlib.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/gsm/gsm48_ie.h>
typedef struct {
int16_t network_code:15; /**< MNC, 00-999. Signed to allow -1 as invalid placeholder. */
bool two_digits:1; /**< If true, MNC is 2 digits, otherwise 3. */
} gsm_mnc_t;
/* A parsed GPRS routing area */
struct gprs_ra_id {
uint16_t mcc;
gsm_mnc_t mnc;
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 *rr_cause_name(uint8_t cause);
int gsm48_decode_lai(struct gsm48_loc_area_id *lai, uint16_t *mcc,
gsm_mnc_t *mnc, uint16_t *lac);
void gsm48_generate_lai(struct gsm48_loc_area_id *lai48, uint16_t mcc,
gsm_mnc_t mnc, uint16_t lac);
int gsm48_generate_mid_from_tmsi(uint8_t *buf, uint32_t tmsi);
int gsm48_generate_mid_from_imsi(uint8_t *buf, const char *imsi);
/* 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);
/* Parse Routeing Area Identifier */
void gsm48_parse_ra(struct gprs_ra_id *raid, const uint8_t *buf);
int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid);
int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc);
static inline gsm_mnc_t gsm48_str_to_mnc(const char *s)
{
gsm_mnc_t r;
r.two_digits = strlen(s) <= 2;
r.network_code = atoi(s);
return r;
}
static inline int gsm48_mnc_are_equal(gsm_mnc_t a, gsm_mnc_t b)
{
return a.network_code == b.network_code &&
a.two_digits == b.two_digits;
}
#endif
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