30 #include <osmocom/core/defs.h>
32 #define ADD_MODULO(sum, delta, modulo) do { \
33 if ((sum += delta) >= modulo) \
37 #define GSM_MAX_FN (26*51*2048)
58 const char *gsm_band_name(
enum gsm_band band);
59 enum gsm_band gsm_band_parse(
const char *mhz);
74 int gsm_7bit_decode_n(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t
length);
81 int gsm_7bit_decode_n_ussd(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t
length);
95 int gsm_7bit_encode_n(uint8_t *result,
size_t n,
const char *
data,
int *octets_written);
102 int gsm_7bit_encode_n_ussd(uint8_t *result,
size_t n,
const char *
data,
int *octets_written);
105 int gsm_septets2octets(uint8_t *result,
const uint8_t *rdata, uint8_t septet_len, uint8_t padding);
106 int gsm_septet_encode(uint8_t *result,
const char *
data);
107 uint8_t gsm_get_octet_len(
const uint8_t sept_len);
108 int gsm_7bit_decode_n_hdr(
char *decoded,
size_t n,
const uint8_t *user_data, uint8_t
length, uint8_t ud_hdr_ind);
110 unsigned int ms_class_gmsk_dbm(
enum gsm_band band,
int ms_class);
112 int ms_pwr_ctl_lvl(
enum gsm_band band,
unsigned int dbm);
113 int ms_pwr_dbm(
enum gsm_band band, uint8_t lvl);
116 int rxlev2dbm(uint8_t rxlev);
117 uint8_t dbm2rxlev(
int dbm);
120 static inline int ms_cm2_a5n_support(uint8_t *cm2,
int n) {
123 case 1:
return (cm2[0] & (1<<3)) ? 0 : 1;
124 case 2:
return (cm2[2] & (1<<0)) ? 1 : 0;
125 case 3:
return (cm2[2] & (1<<1)) ? 1 : 0;
132 static inline int rach_max_trans_val2raw(
int val) {
return (val >> 1) & 3; }
133 static inline int rach_max_trans_raw2val(
int raw) {
134 const int tbl[4] = { 1, 2, 4, 7 };
138 #define ARFCN_PCS 0x8000
139 #define ARFCN_UPLINK 0x4000
140 #define ARFCN_FLAG_MASK 0xf000
142 enum gsm_band gsm_arfcn2band(uint16_t arfcn);
145 uint16_t gsm_arfcn2freq10(uint16_t arfcn,
int uplink);
148 uint16_t gsm_freq102arfcn(uint16_t freq10,
int uplink);
151 void gsm_fn2gsmtime(
struct gsm_time *time, uint32_t fn);
154 uint32_t gsm_gsmtime2fn(
struct gsm_time *time);
157 enum gprs_tlli_type {
168 int gprs_tlli_type(uint32_t tlli);
170 uint32_t gprs_tmsi2tlli(uint32_t p_tmsi,
enum gprs_tlli_type type);
173 enum gsm_phys_chan_config {
176 GSM_PCHAN_CCCH_SDCCH4,
179 GSM_PCHAN_SDCCH8_SACCH8C,
181 GSM_PCHAN_TCH_F_PDCH,
183 GSM_PCHAN_CCCH_SDCCH4_CBCH,
184 GSM_PCHAN_SDCCH8_SACCH8C_CBCH,
203 #define GSM_7BIT_LEGACY_MAX_BUFFER_SIZE 0x10000
205 int gsm_7bit_decode(
char *decoded,
const uint8_t *user_data, uint8_t
length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n() instead");
206 int gsm_7bit_decode_ussd(
char *decoded,
const uint8_t *user_data, uint8_t
length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n_ussd() instead");
207 int gsm_7bit_encode(uint8_t *result,
const char *
data) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");
208 int gsm_7bit_encode_ussd(uint8_t *result,
const char *
data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n_ussd() instead");
209 int gsm_7bit_encode_oct(uint8_t *result,
const char *
data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");
uint8_t data[0]
actual payload data
Definition: gsm_08_58.h:98
Definition: gsm_utils.h:39
uint8_t length
Length in octets.
Definition: gsm_12_21.h:107