31 #include <osmocom/core/defs.h> 32 #include <osmocom/core/utils.h> 34 #define ADD_MODULO(sum, delta, modulo) do { \ 35 if ((sum += delta) >= modulo) \ 39 #define GSM_MAX_FN (26*51*2048) 42 #define OSMO_MAX_RAND_ID_LEN 16 113 int gsm_septets2octets(uint8_t *result,
const uint8_t *rdata, uint8_t septet_len, uint8_t padding);
131 case 1:
return (cm2[0] & (1<<3)) ? 0 : 1;
132 case 2:
return (cm2[2] & (1<<0)) ? 1 : 0;
133 case 3:
return (cm2[2] & (1<<1)) ? 1 : 0;
142 case 4:
return (cm3[0] & (1<<0)) ? 1 : 0;
143 case 5:
return (cm3[0] & (1<<1)) ? 1 : 0;
144 case 6:
return (cm3[0] & (1<<2)) ? 1 : 0;
145 case 7:
return (cm3[0] & (1<<3)) ? 1 : 0;
154 const int tbl[4] = { 1, 2, 4, 7 };
158 #define ARFCN_PCS 0x8000 159 #define ARFCN_UPLINK 0x4000 160 #define ARFCN_FLAG_MASK 0xf000 232 #define GSM_7BIT_LEGACY_MAX_BUFFER_SIZE 0x10000 234 int gsm_7bit_decode(
char *decoded,
const uint8_t *user_data, uint8_t
length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n() instead");
235 int gsm_7bit_decode_ussd(
char *decoded,
const uint8_t *user_data, uint8_t
length) OSMO_DEPRECATED(
"Use gsm_7bit_decode_n_ussd() instead");
236 int gsm_7bit_encode(uint8_t *result,
const char *
data) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n() instead");
237 int gsm_7bit_encode_ussd(uint8_t *result,
const char *
data,
int *octets_written) OSMO_DEPRECATED(
"Use gsm_7bit_encode_n_ussd() instead");
238 int 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:224
int gsm_7bit_decode_n(char *decoded, size_t n, const uint8_t *user_data, uint8_t length)
Decode a sequence of GSM 03.38 encoded 7 bit characters.
Definition: gsm_utils.c:228
uint32_t fn
Definition: gsm_utils.h:45
Definition: gsm_utils.h:200
int gsm_septet_encode(uint8_t *result, const char *data)
Encode a ASCII characterrs as 7-bit GSM alphabet (TS 03.38)
Definition: gsm_utils.c:255
Definition: gsm_utils.h:201
uint32_t tlli
Definition: gsm_04_08.h:91
char * osmo_dump_gsmtime(const struct gsm_time *tm)
Definition: gsm_utils.c:824
char time[12]
Definition: ipaccess.h:838
int gsm_7bit_decode_n_hdr(char *decoded, size_t n, const uint8_t *user_data, uint8_t length, uint8_t ud_hdr_ind)
TS 03.38 7-bit Character unpacking (6.2.1)
Definition: gsm_utils.c:170
gprs_tlli_type
Definition: gsm_utils.h:183
Definition: gsm_utils.h:55
Definition: gsm_utils.h:189
enum gsm_band gsm_band_parse(const char *mhz)
Parse string name of a GSM band.
Definition: gsm_utils.c:649
int gsm_7bit_decode_ussd(char *decoded, const uint8_t *user_data, uint8_t length) OSMO_DEPRECATED("Use gsm_7bit_decode_n_ussd() instead")
Definition: gsm_utils.c:921
Definition: gsm_utils.h:225
const struct value_string gsm_chan_t_names[]
Definition: gsm48.c:392
int gsm_7bit_encode_ussd(uint8_t *result, const char *data, int *octets_written) OSMO_DEPRECATED("Use gsm_7bit_encode_n_ussd() instead")
Definition: gsm_utils.c:934
static int ms_cm2_a5n_support(uint8_t *cm2, unsigned n)
Definition: gsm_utils.h:128
Definition: gsm_utils.h:219
uint16_t gsm_arfcn2freq10(uint16_t arfcn, int uplink)
Convert an ARFCN to the frequency in MHz * 10.
Definition: gsm_utils.c:736
uint16_t t1
Definition: gsm_utils.h:46
uint8_t type
Definition: gsm_04_08.h:91
uint8_t dbm2rxlev(int dbm)
Convert RF signal level in dBm to TS 05.08 RxLev (TS 05.08 Chapter 8.1.4)
Definition: gsm_utils.c:612
Definition: gsm_utils.h:188
Definition: gsm_utils.h:54
Definition: gsm_utils.h:212
uint8_t tc
Definition: gsm_utils.h:49
Definition: gsm_utils.h:190
Definition: gsm_utils.h:202
int gsm_7bit_decode_n_ussd(char *decoded, size_t n, const uint8_t *user_data, uint8_t length)
Decode a sequence of 7 bit characters (USSD encoding).
Definition: gsm_utils.c:234
uint32_t gprs_tmsi2tlli(uint32_t p_tmsi, enum gprs_tlli_type type)
Determine TLLI from P-TMSI.
Definition: gsm_utils.c:893
Definition: gsm_utils.h:220
int gsm_7bit_encode_oct(uint8_t *result, const char *data, int *octets_written) OSMO_DEPRECATED("Use gsm_7bit_encode_n() instead")
Definition: gsm_utils.c:940
Definition: gsm_utils.h:218
Definition: gsm_utils.h:58
int gsm_7bit_encode(uint8_t *result, const char *data) OSMO_DEPRECATED("Use gsm_7bit_encode_n() instead")
Definition: gsm_utils.c:927
const char * gsm_band_name(enum gsm_band band)
Return string name of a given GSM Band.
Definition: gsm_utils.c:625
int gsm_septets2octets(uint8_t *result, const uint8_t *rdata, uint8_t septet_len, uint8_t padding)
GSM Default Alphabet 7bit to octet packing.
Definition: gsm_utils.c:289
Definition: gsm_utils.h:60
Definition: gsm_utils.h:223
gsm_phys_chan_config
Definition: gsm_utils.h:199
Definition: gsm_utils.h:206
uint8_t t3
Definition: gsm_utils.h:48
static int ms_cm3_a5n_support(uint8_t *cm3, unsigned n)
Definition: gsm_utils.h:140
static int rach_max_trans_raw2val(int raw)
Definition: gsm_utils.h:153
unsigned int ms_class_gmsk_dbm(enum gsm_band band, int ms_class)
Convert power class to dBm according to GSM TS 05.05.
Definition: gsm_utils.c:463
Definition: gsm_utils.h:211
uint8_t cm3
Definition: gsm_04_08.h:103
Definition: gsm_utils.h:57
Definition: gsm_utils.h:222
Definition: gsm_utils.h:59
struct gsm48_classmark2 cm2
Definition: gsm_04_08.h:92
Definition: gsm_utils.h:210
Definition: gsm_utils.h:44
int gsm_7bit_decode(char *decoded, const uint8_t *user_data, uint8_t length) OSMO_DEPRECATED("Use gsm_7bit_decode_n() instead")
Definition: gsm_utils.c:912
int rxlev2dbm(uint8_t rxlev)
Convert TS 05.08 RxLev to dBm (TS 05.08 Chapter 8.1.4)
Definition: gsm_utils.c:601
static int rach_max_trans_val2raw(int val)
Definition: gsm_utils.h:152
uint8_t len
Definition: gsm_04_11.h:434
Definition: gsm_utils.h:209
Definition: gsm_utils.h:205
uint16_t gsm_freq102arfcn(uint16_t freq10, int uplink)
Convert a Frequency in MHz * 10 to ARFCN.
Definition: gsm_utils.c:763
Definition: gsm_utils.h:217
uint32_t gsm_gsmtime2fn(struct gsm_time *time)
Encode decoded gsm_time to Frame Number.
Definition: gsm_utils.c:818
uint8_t t2
Definition: gsm_utils.h:47
Definition: gsm_utils.h:187
enum gsm_band gsm_arfcn2band(uint16_t arfcn)
Resolve GSM band from ARFCN In Osmocom, we use the highest bit of the arfcn to indicate PCS...
Definition: gsm_utils.c:683
Definition: gsm_utils.h:221
Definition: gsm_utils.h:56
gsm_chan_t
Definition: gsm_utils.h:216
Definition: gsm_utils.h:208
int ms_pwr_ctl_lvl(enum gsm_band band, unsigned int dbm)
determine power control level for given dBm value, as indicated by the tables in chapter 4...
Definition: gsm_utils.c:508
int osmo_get_rand_id(uint8_t *out, size_t len)
Generate random identifier We use /dev/urandom (default when GRND_RANDOM flag is not set)...
Definition: gsm_utils.c:410
int gsm_7bit_encode_n_ussd(uint8_t *result, size_t n, const char *data, int *octets_written)
Encode a text string into GSM 03.38 encoded 7 bit characters (USSD encoding).
Definition: gsm_utils.c:384
gsm_band
Definition: gsm_utils.h:52
Definition: gsm_utils.h:184
Definition: gsm_utils.h:185
char * gsm_fn_as_gsmtime_str(uint32_t fn)
Parse GSM Frame Number into printable string.
Definition: gsm_utils.c:807
uint8_t gsm_get_octet_len(const uint8_t sept_len)
Compute number of octets from number of septets, for instance: 47 septets needs 41,125 = 42 octets
Definition: gsm_utils.c:155
Definition: gsm_utils.h:204
int ms_pwr_dbm(enum gsm_band band, uint8_t lvl)
Convert TS 05.05 power level to absolute dBm value.
Definition: gsm_utils.c:560
void gsm_fn2gsmtime(struct gsm_time *time, uint32_t fn)
Parse GSM Frame Number into struct gsm_time.
Definition: gsm_utils.c:795
Definition: gsm_utils.h:53
Definition: gsm_utils.h:186
uint8_t length
Definition: gsm_08_08.h:453
uint8_t data[0]
message payload data
Definition: gsm_03_41.h:108
Definition: gsm_utils.h:207
Definition: gsm_utils.h:203
int gsm_7bit_encode_n(uint8_t *result, size_t n, const char *data, int *octets_written)
Encode a text string into GSM 03.38 encoded 7 bit characters.
Definition: gsm_utils.c:340