31 #include <osmocom/core/defs.h>
33 #define ADD_MODULO(sum, delta, modulo) do { \
34 if ((sum += delta) >= modulo) \
38 #define GSM_MAX_FN (26*51*2048)
59 const char *gsm_band_name(
enum gsm_band band);
60 enum gsm_band gsm_band_parse(
const char *mhz);
75 int gsm_7bit_decode_n(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t
length);
82 int gsm_7bit_decode_n_ussd(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t
length);
96 int gsm_7bit_encode_n(uint8_t *result,
size_t n,
const char *
data,
int *octets_written);
103 int gsm_7bit_encode_n_ussd(uint8_t *result,
size_t n,
const char *
data,
int *octets_written);
106 int gsm_septets2octets(uint8_t *result,
const uint8_t *rdata, uint8_t septet_len, uint8_t padding);
107 int gsm_septet_encode(uint8_t *result,
const char *
data);
108 uint8_t gsm_get_octet_len(
const uint8_t sept_len);
109 int gsm_7bit_decode_n_hdr(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t
length, uint8_t ud_hdr_ind);
111 unsigned int ms_class_gmsk_dbm(
enum gsm_band band,
int ms_class);
113 int ms_pwr_ctl_lvl(
enum gsm_band band,
unsigned int dbm);
114 int ms_pwr_dbm(
enum gsm_band band, uint8_t lvl);
117 int rxlev2dbm(uint8_t rxlev);
118 uint8_t dbm2rxlev(
int dbm);
121 static inline int ms_cm2_a5n_support(uint8_t *cm2,
int n) {
124 case 1:
return (cm2[0] & (1<<3)) ? 0 : 1;
125 case 2:
return (cm2[2] & (1<<0)) ? 1 : 0;
126 case 3:
return (cm2[2] & (1<<1)) ? 1 : 0;
133 static inline int rach_max_trans_val2raw(
int val) {
return (val >> 1) & 3; }
134 static inline int rach_max_trans_raw2val(
int raw) {
135 const int tbl[4] = { 1, 2, 4, 7 };
139 #define ARFCN_PCS 0x8000
140 #define ARFCN_UPLINK 0x4000
141 #define ARFCN_FLAG_MASK 0xf000
143 enum gsm_band gsm_arfcn2band(uint16_t arfcn);
146 uint16_t gsm_arfcn2freq10(uint16_t arfcn,
int uplink);
149 uint16_t gsm_freq102arfcn(uint16_t freq10,
int uplink);
152 void gsm_fn2gsmtime(
struct gsm_time *time, uint32_t fn);
155 uint32_t gsm_gsmtime2fn(
struct gsm_time *time);
158 enum gprs_tlli_type {
167 int gprs_tlli_type(uint32_t tlli);
169 uint32_t gprs_tmsi2tlli(uint32_t p_tmsi,
enum gprs_tlli_type type);
172 enum gsm_phys_chan_config {
175 GSM_PCHAN_CCCH_SDCCH4,
178 GSM_PCHAN_SDCCH8_SACCH8C,
180 GSM_PCHAN_TCH_F_PDCH,
198 int gsm_7bit_decode(
char *decoded,
const uint8_t *user_data, uint8_t
length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n() instead");
199 int gsm_7bit_decode_ussd(
char *decoded,
const uint8_t *user_data, uint8_t
length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n_ussd() instead");
200 int gsm_7bit_encode(uint8_t *result,
const char *
data) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");
201 int gsm_7bit_encode_ussd(uint8_t *result,
const char *
data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n_ussd() instead");
202 int gsm_7bit_encode_oct(uint8_t *result,
const char *
data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");