30#include <osmocom/core/defs.h>
31#include <osmocom/core/utils.h>
33#define ADD_MODULO(sum, delta, modulo) do { \
34 if ((sum += delta) >= modulo) \
38#define GSM_MAX_FN (26*51*2048)
59const char *gsm_band_name(
enum gsm_band band);
60enum gsm_band gsm_band_parse(
const char *mhz);
76int gsm_7bit_decode_n(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t length);
83int gsm_7bit_decode_n_ussd(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t length);
97int gsm_7bit_encode_n(uint8_t *result,
size_t n,
const char *data,
int *octets_written);
104int gsm_7bit_encode_n_ussd(uint8_t *result,
size_t n,
const char *data,
int *octets_written);
107int gsm_septets2octets(uint8_t *result,
const uint8_t *rdata, uint8_t septet_len, uint8_t padding);
108int gsm_septet_encode(uint8_t *result,
const char *data);
109uint8_t gsm_get_octet_len(
const uint8_t sept_len);
110int gsm_7bit_decode_n_hdr(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t length, uint8_t ud_hdr_ind);
112unsigned int ms_class_gmsk_dbm(
enum gsm_band band,
int ms_class);
114int ms_pwr_ctl_lvl(
enum gsm_band band,
unsigned int dbm);
115int ms_pwr_dbm(
enum gsm_band band, uint8_t lvl);
118int rxlev2dbm(uint8_t rxlev);
119uint8_t dbm2rxlev(
int dbm);
122static inline int ms_cm2_a5n_support(uint8_t *cm2,
unsigned n) {
125 case 1:
return (cm2[0] & (1<<3)) ? 0 : 1;
126 case 2:
return (cm2[2] & (1<<0)) ? 1 : 0;
127 case 3:
return (cm2[2] & (1<<1)) ? 1 : 0;
134static inline int ms_cm3_a5n_support(uint8_t *cm3,
unsigned n) {
136 case 4:
return (cm3[0] & (1<<0)) ? 1 : 0;
137 case 5:
return (cm3[0] & (1<<1)) ? 1 : 0;
138 case 6:
return (cm3[0] & (1<<2)) ? 1 : 0;
139 case 7:
return (cm3[0] & (1<<3)) ? 1 : 0;
146static inline int rach_max_trans_val2raw(
int val) {
return (val >> 1) & 3; }
147static inline int rach_max_trans_raw2val(
int raw) {
148 const int tbl[4] = { 1, 2, 4, 7 };
152#define ARFCN_PCS 0x8000
153#define ARFCN_UPLINK 0x4000
154#define ARFCN_FLAG_MASK 0xf000
156enum gsm_band gsm_arfcn2band(uint16_t arfcn);
159uint16_t gsm_arfcn2freq10(uint16_t arfcn,
int uplink);
162uint16_t gsm_freq102arfcn(uint16_t freq10,
int uplink);
165void gsm_fn2gsmtime(
struct gsm_time *time, uint32_t fn);
168uint32_t gsm_gsmtime2fn(
struct gsm_time *time);
182int gprs_tlli_type(uint32_t tlli);
184uint32_t gprs_tmsi2tlli(uint32_t p_tmsi,
enum gprs_tlli_type type);
187enum gsm_phys_chan_config {
190 GSM_PCHAN_CCCH_SDCCH4,
193 GSM_PCHAN_SDCCH8_SACCH8C,
195 GSM_PCHAN_TCH_F_PDCH,
197 GSM_PCHAN_CCCH_SDCCH4_CBCH,
198 GSM_PCHAN_SDCCH8_SACCH8C_CBCH,
199 GSM_PCHAN_TCH_F_TCH_H_PDCH,
216extern const struct value_string gsm_chan_t_names[];
220#define GSM_7BIT_LEGACY_MAX_BUFFER_SIZE 0x10000
222int gsm_7bit_decode(
char *decoded,
const uint8_t *user_data, uint8_t length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n() instead");
223int gsm_7bit_decode_ussd(
char *decoded,
const uint8_t *user_data, uint8_t length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n_ussd() instead");
224int gsm_7bit_encode(uint8_t *result,
const char *data) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");
225int gsm_7bit_encode_ussd(uint8_t *result,
const char *data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n_ussd() instead");
226int gsm_7bit_encode_oct(uint8_t *result,
const char *data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");
Definition gsm_utils.h:40