#include <osmocom/core/utils.h>
#include <osmocom/core/bitvec.h>
#include <osmocom/gsm/gsm_utils.h>
#include <osmocom/gsm/meas_rep.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/gsm/gsm0502.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
#include <inttypes.h>
#include <time.h>
#include <unistd.h>
#include "config.h"

Data Structures
struct	gsm_freq_range

Macros
#define	GSM_RFN_THRESHOLD (GSM_RFN_MODULUS / 2)

Functions
static int	gsm_septet_lookup (uint8_t ch)

uint8_t	gsm_get_octet_len (const uint8_t sept_len)
	Compute number of octets from number of septets. More...

int	gsm_7bit_decode_n_hdr (char text, size_t n, const uint8_t user_data, uint8_t septet_l, uint8_t ud_hdr_ind)
	TS 03.38 7-bit Character unpacking (6.2.1) More...

int	gsm_7bit_decode_n (char text, size_t n, const uint8_t user_data, uint8_t septet_l)
	Decode 7bit GSM Alphabet. More...

int	gsm_7bit_decode_n_ussd (char text, size_t n, const uint8_t user_data, uint8_t length)
	Decode 7bit GSM Alphabet (USSD) More...

int	gsm_septet_encode (uint8_t result, const char data)
	Encode a ASCII characterrs as 7-bit GSM alphabet (TS 03.38) More...

int	gsm_septet_pack (uint8_t result, const uint8_t rdata, size_t septet_len, uint8_t padding)
	GSM Default Alphabet 7bit to octet packing. More...

int	gsm_septets2octets (uint8_t result, const uint8_t rdata, uint8_t septet_len, uint8_t padding)
	Backwards compatibility wrapper for gsm_septets_pack(), deprecated. More...

int	gsm_7bit_encode_n (uint8_t result, size_t n, const char data, int *octets)
	GSM 7-bit alphabet TS 03.38 6.2.1 Character packing. More...

int	gsm_7bit_encode_n_ussd (uint8_t result, size_t n, const char data, int *octets)
	Encode according to GSM 7-bit alphabet (TS 03.38 6.2.1) for USSD. More...

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). More...

size_t	gsm0858_rsl_ul_meas_enc (const struct gsm_meas_rep_unidir mru, bool dtxd_used, uint8_t buf)
	Build the RSL uplink measurement IE (3GPP TS 08.58 § 9.3.25) More...

int	ms_class_gmsk_dbm (enum gsm_band band, int class)
	Convert power class to dBm according to GSM TS 05.05. More...

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 4.1.1 of GSM TS 05.05 More...

int	ms_pwr_dbm (enum gsm_band band, uint8_t lvl)
	Convert TS 05.05 power level to absolute dBm value. More...

int	rxlev2dbm (uint8_t rxlev)
	Convert TS 05.08 RxLev to dBm (TS 05.08 Chapter 8.1.4) More...

uint8_t	dbm2rxlev (int dbm)
	Convert RF signal level in dBm to TS 05.08 RxLev (TS 05.08 Chapter 8.1.4) More...

const char *	gsm_band_name (enum gsm_band band)
	Return string name of a given GSM Band. More...

enum gsm_band	gsm_band_parse (const char *mhz)
	Parse string name of a GSM band. More...

int	gsm_arfcn2band_rc (uint16_t arfcn, enum gsm_band *band)
	Resolve GSM band from ARFCN. More...

enum gsm_band	gsm_arfcn2band (uint16_t arfcn)
	Resolve GSM band from ARFCN, aborts process on invalid ARFCN. More...

uint16_t	gsm_arfcn2freq10 (uint16_t arfcn, int uplink)
	Convert an ARFCN to the frequency in MHz * 10. More...

uint16_t	gsm_freq102arfcn (uint16_t freq10, int uplink)
	Convert a Frequency in MHz * 10 to ARFCN. More...

void	gsm_fn2gsmtime (struct gsm_time *time, uint32_t fn)
	Parse GSM Frame Number into struct gsm_time. More...

char *	gsm_fn_as_gsmtime_str (uint32_t fn)
	Parse GSM Frame Number into printable string. More...

uint32_t	gsm_gsmtime2fn (const struct gsm_time *time)
	Encode decoded gsm_time to Frame Number. More...

char *	osmo_dump_gsmtime_buf (char buf, size_t buf_len, const struct gsm_time tm)

char *	osmo_dump_gsmtime (const struct gsm_time *tm)

char *	osmo_dump_gsmtime_c (const void ctx, const struct gsm_time tm)

uint32_t	gsm_rfn2fn (uint16_t rfn, uint32_t curr_fn)

void	bitvec_add_range1024 (struct bitvec bv, const struct gsm48_range_1024 r)
	append range1024 encoded data to bit vector More...

int	gprs_tlli_type (uint32_t tlli)
	Determine GPRS TLLI Type (TS 23.003 Chapter 2.6) More...

uint32_t	gprs_tmsi2tlli (uint32_t p_tmsi, enum gprs_tlli_type type)
	Determine TLLI from P-TMSI. More...

int	gsm_7bit_decode (char text, const uint8_t user_data, uint8_t septet_l)

int	gsm_7bit_decode_ussd (char text, const uint8_t user_data, uint8_t length)

int	gsm_7bit_encode (uint8_t result, const char data)

int	gsm_7bit_encode_ussd (uint8_t result, const char data, int *octets)

int	gsm_7bit_encode_oct (uint8_t result, const char data, int *octets)

Variables
static unsigned char	gsm_7bit_alphabet []

static struct gsm_freq_range	gsm_ranges []

const struct value_string	osmo_rat_type_names []

Macro Definition Documentation

◆ GSM_RFN_THRESHOLD

#define GSM_RFN_THRESHOLD (GSM_RFN_MODULUS / 2)

Function Documentation

◆ dbm2rxlev()

uint8_t dbm2rxlev ( int dbm )

Convert RF signal level in dBm to TS 05.08 RxLev (TS 05.08 Chapter 8.1.4)

Parameters

[in] dbm RF signal level in dBm

Returns: TS 05.08 RxLev value

◆ gprs_tlli_type()

int gprs_tlli_type ( uint32_t tlli )

Determine GPRS TLLI Type (TS 23.003 Chapter 2.6)

References tlli, TLLI_AUXILIARY, TLLI_FOREIGN, TLLI_G_RNTI, TLLI_LOCAL, TLLI_RAND_G_RNTI, TLLI_RANDOM, and TLLI_RESERVED.

◆ gprs_tmsi2tlli()

uint32_t gprs_tmsi2tlli	(	uint32_t	p_tmsi,
		enum gprs_tlli_type	type
	)

Determine TLLI from P-TMSI.

Parameters

[in]	p_tmsi	P-TMSI
[in]	type	TLLI Type we want to derive from p_tmsi

Returns: TLLI of given type

References tlli, TLLI_FOREIGN, TLLI_LOCAL, and type.

◆ gsm0858_rsl_ul_meas_enc()

size_t gsm0858_rsl_ul_meas_enc	(	const struct gsm_meas_rep_unidir *	mru,
		bool	dtxd_used,
		uint8_t *	buf
	)

Build the RSL uplink measurement IE (3GPP TS 08.58 § 9.3.25)

Parameters

[in]	mru	Unidirectional measurement report structure
[in]	dtxd_used	Indicates if DTXd was used during measurement report period
[out]	buf	Pre-allocated bufer for storing IE

Returns: Number of bytes filled in buf

References gsm_meas_rep_unidir::full, gsm_rx_lev_qual::rx_lev, gsm_rx_lev_qual::rx_qual, and gsm_meas_rep_unidir::sub.

◆ gsm_7bit_decode()

int gsm_7bit_decode	(	char *	text,
		const uint8_t *	user_data,
		uint8_t	septet_l
	)

References gsm_7bit_decode_n(), and GSM_7BIT_LEGACY_MAX_BUFFER_SIZE.

◆ gsm_7bit_decode_n()

int gsm_7bit_decode_n	(	char *	text,
		size_t	n,
		const uint8_t *	user_data,
		uint8_t	septet_l
	)

Decode 7bit GSM Alphabet.

Decode a sequence of GSM 03.38 encoded 7 bit characters.

References gsm_7bit_decode_n_hdr(), and n.

Referenced by gsm_7bit_decode().

◆ gsm_7bit_decode_n_hdr()

int gsm_7bit_decode_n_hdr	(	char *	text,
		size_t	n,
		const uint8_t *	user_data,
		uint8_t	septet_l,
		uint8_t	ud_hdr_ind
	)

TS 03.38 7-bit Character unpacking (6.2.1)

Parameters

[out]	text	Caller-provided output text buffer
[in]	n	Length of text
[in]	user_data	Input Data (septets)
[in]	septet_l	Number of septets in user_data
[in]	ud_hdr_ind	User Data Header present in data

Returns: number of bytes written to text

References gsm_7bit_alphabet, gsm_get_octet_len(), gsm_septet_lookup(), l, n, and OSMO_ASSERT.

Referenced by gsm_7bit_decode_n(), and gsm_7bit_decode_n_ussd().

◆ gsm_7bit_decode_n_ussd()

int gsm_7bit_decode_n_ussd	(	char *	text,
		size_t	n,
		const uint8_t *	user_data,
		uint8_t	length
	)

Decode 7bit GSM Alphabet (USSD)

Decode a sequence of 7 bit characters (USSD encoding).

References gsm_7bit_decode_n_hdr(), gsm_get_octet_len(), length, and n.

Referenced by gsm_7bit_decode_ussd(), and parse_process_uss_req().

◆ gsm_7bit_decode_ussd()

int gsm_7bit_decode_ussd	(	char *	text,
		const uint8_t *	user_data,
		uint8_t	length
	)

References gsm_7bit_decode_n_ussd(), GSM_7BIT_LEGACY_MAX_BUFFER_SIZE, and length.

◆ gsm_7bit_encode()

int gsm_7bit_encode	(	uint8_t *	result,
		const char *	data
	)

References data, gsm_7bit_encode_n(), and GSM_7BIT_LEGACY_MAX_BUFFER_SIZE.

◆ gsm_7bit_encode_n()

int gsm_7bit_encode_n	(	uint8_t *	result,
		size_t	n,
		const char *	data,
		int *	octets
	)

GSM 7-bit alphabet TS 03.38 6.2.1 Character packing.

Encode a text string into GSM 03.38 encoded 7 bit characters.

Parameters

[out]	result	Caller-provided output buffer
[in]	n	Maximum length of result in bytes
[in]	data	octet-aligned string
[out]	octets	Number of octets encoded

Returns: number of septets encoded

References data, gsm_septet_encode(), gsm_septet_pack(), and n.

Referenced by gsm340_gen_oa(), gsm_7bit_encode(), gsm_7bit_encode_n_ussd(), and gsm_7bit_encode_oct().

◆ gsm_7bit_encode_n_ussd()

int gsm_7bit_encode_n_ussd	(	uint8_t *	result,
		size_t	n,
		const char *	data,
		int *	octets
	)

Encode according to GSM 7-bit alphabet (TS 03.38 6.2.1) for USSD.

Encode a text string into GSM 03.38 encoded 7 bit characters (USSD encoding).

Parameters

[out]	result	Caller-provided output buffer
[in]	n	Maximum length of result in bytes
[in]	data	octet-aligned string
[out]	octets	Number of octets encoded

Returns: number of septets encoded

References data, gsm_7bit_encode_n(), and n.

Referenced by gsm0480_create_notifySS(), gsm0480_create_unstructuredSS_Notify(), gsm0480_gen_ussd_resp_7bit(), and gsm_7bit_encode_ussd().

◆ gsm_7bit_encode_oct()

int gsm_7bit_encode_oct	(	uint8_t *	result,
		const char *	data,
		int *	octets
	)

References data, gsm_7bit_encode_n(), and GSM_7BIT_LEGACY_MAX_BUFFER_SIZE.

◆ gsm_7bit_encode_ussd()

int gsm_7bit_encode_ussd	(	uint8_t *	result,
		const char *	data,
		int *	octets
	)

References data, gsm_7bit_encode_n_ussd(), and GSM_7BIT_LEGACY_MAX_BUFFER_SIZE.

◆ gsm_arfcn2band()

enum gsm_band gsm_arfcn2band ( uint16_t arfcn )

Resolve GSM band from ARFCN, aborts process on invalid ARFCN.

In Osmocom, we use the highest bit of the arfcn to indicate PCS. DEPRECATED: Use gsm_arfcn2band_rc instead.

Parameters

[in] arfcn Osmocom ARFCN, highest bit determines PCS mode

Returns: GSM Band if ARFCN is valid (part of any valid band), aborts otherwise

References arfcn, gsm_arfcn2band_rc(), and osmo_panic().

◆ gsm_arfcn2band_rc()

int gsm_arfcn2band_rc	(	uint16_t	arfcn,
		enum gsm_band *	band
	)

Resolve GSM band from ARFCN.

In Osmocom, we use the highest bit of the arfcn to indicate PCS

Parameters

[in]	arfcn	Osmocom ARFCN, highest bit determines PCS mode
[out]	band	GSM Band containing \arfcn if arfcn is valid, undetermined otherwise

Returns: 0 if arfcn is valid and band was set, negative on error

References arfcn, ARFCN_PCS, GSM_BAND_1800, GSM_BAND_1900, GSM_BAND_450, GSM_BAND_480, GSM_BAND_750, GSM_BAND_810, GSM_BAND_850, and GSM_BAND_900.

Referenced by gsm_arfcn2band().

◆ gsm_arfcn2freq10()

uint16_t gsm_arfcn2freq10	(	uint16_t	arfcn,
		int	uplink
	)

Convert an ARFCN to the frequency in MHz * 10.

Parameters

[in]	arfcn	GSM ARFCN to convert
[in]	uplink	Uplink (1) or Downlink (0) frequency

Returns: Frequency in units of 1/10ths of MHz (100kHz)

References arfcn, gsm_freq_range::arfcn_first, ARFCN_FLAG_MASK, gsm_freq_range::arfcn_last, gsm_freq_range::flags, gsm_freq_range::freq_dl_offset, gsm_freq_range::freq_ul_first, and gsm_ranges.

◆ gsm_band_name()

const char * gsm_band_name ( enum gsm_band band )

Return string name of a given GSM Band.

References GSM_BAND_1800, GSM_BAND_1900, GSM_BAND_450, GSM_BAND_480, GSM_BAND_750, GSM_BAND_810, GSM_BAND_850, and GSM_BAND_900.

◆ gsm_band_parse()

enum gsm_band gsm_band_parse ( const char * mhz )

Parse string name of a GSM band.

References GSM_BAND_1800, GSM_BAND_1900, GSM_BAND_450, GSM_BAND_480, GSM_BAND_750, GSM_BAND_810, GSM_BAND_850, and GSM_BAND_900.

◆ gsm_fn2gsmtime()

void gsm_fn2gsmtime	(	struct gsm_time *	time,
		uint32_t	fn
	)

Parse GSM Frame Number into struct gsm_time.

Parameters

[out]	time	Caller-provided memory for gsm_time
[in]	fn	GSM Frame Number

References time.

Referenced by gsm_fn_as_gsmtime_str(), l2_ph_chan_conf(), and l2_ph_rach_ind().

◆ gsm_fn_as_gsmtime_str()

char * gsm_fn_as_gsmtime_str ( uint32_t fn )

Parse GSM Frame Number into printable string.

Parameters

[in] fn GSM Frame Number

Returns: pointer to printable string

References gsm_time::fn, gsm_fn2gsmtime(), osmo_dump_gsmtime(), and time.

◆ gsm_freq102arfcn()

uint16_t gsm_freq102arfcn	(	uint16_t	freq10,
		int	uplink
	)

Convert a Frequency in MHz * 10 to ARFCN.

Parameters

[in]	freq10	Frequency in units of 1/10ths of MHz (100kHz)
[in]	uplink	Frequency is Uplink (1) or Downlink (0)

Returns: ARFCN in case of success; 0xffff on error

References arfcn, gsm_freq_range::arfcn_first, gsm_freq_range::arfcn_last, ARFCN_UPLINK, gsm_freq_range::flags, gsm_freq_range::freq_dl_offset, gsm_freq_range::freq_ul_first, and gsm_ranges.

◆ gsm_get_octet_len()

uint8_t gsm_get_octet_len ( const uint8_t sept_len )

Compute number of octets from number of septets.

For instance: 47 septets need 41,125 = 42 octets.

Parameters

[in] sept_len Number of septets

Returns: Number of octets required

Referenced by gsm_7bit_decode_n_hdr(), and gsm_7bit_decode_n_ussd().

◆ gsm_gsmtime2fn()

uint32_t gsm_gsmtime2fn ( const struct gsm_time * time )

Encode decoded gsm_time to Frame Number.

Parameters

[in] time GSM Time in decoded structure

Returns: GSM Frame Number

References gsm_time::fn, GSM_MAX_FN, OSMO_MOD_FLR, and time.

◆ gsm_rfn2fn()

uint32_t gsm_rfn2fn	(	uint16_t	rfn,
		uint32_t	curr_fn
	)

References gsm_fn2rfn(), GSM_MAX_FN, GSM_RFN_MODULUS, GSM_RFN_THRESHOLD, GSM_TDMA_FN_DIFF, GSM_TDMA_FN_SUB, GSM_TDMA_FN_SUM, and OSMO_ASSERT.

◆ gsm_septet_encode()

int gsm_septet_encode	(	uint8_t *	result,
		const char *	data
	)

Encode a ASCII characterrs as 7-bit GSM alphabet (TS 03.38)

This function converts a zero-terminated input string data from ASCII into octet-aligned 7-bit GSM characters. No packing is performed.

Parameters

[out]	result	caller-allocated output buffer
[in]	data	input data, ASCII

Returns: number of octets used in result

References data, and gsm_7bit_alphabet.

Referenced by gsm_7bit_encode_n().

◆ gsm_septet_lookup()

static int gsm_septet_lookup ( uint8_t ch )

static

References gsm_7bit_alphabet.

Referenced by gsm_7bit_decode_n_hdr().

◆ gsm_septet_pack()

int gsm_septet_pack	(	uint8_t *	result,
		const uint8_t *	rdata,
		size_t	septet_len,
		uint8_t	padding
	)

GSM Default Alphabet 7bit to octet packing.

Parameters

[out]	result	Caller-provided output buffer
[in]	rdata	Input data septets
[in]	septet_len	Length of rdata
[in]	padding	padding bits at start

Returns: number of bytes used in result

References data.

Referenced by gsm_7bit_encode_n(), and gsm_septets2octets().

◆ gsm_septets2octets()

int gsm_septets2octets	(	uint8_t *	result,
		const uint8_t *	rdata,
		uint8_t	septet_len,
		uint8_t	padding
	)

Backwards compatibility wrapper for gsm_septets_pack(), deprecated.

References gsm_septet_pack().

◆ ms_class_gmsk_dbm()

int ms_class_gmsk_dbm	(	enum gsm_band	band,
		int	class
	)

Convert power class to dBm according to GSM TS 05.05.

Parameters

[in]	band	GSM frequency band
[in]	class	GSM power class

Returns: maximum transmit power of power class in dBm, negative on error

References GSM_BAND_1800, GSM_BAND_1900, GSM_BAND_450, GSM_BAND_480, GSM_BAND_750, GSM_BAND_810, GSM_BAND_850, and GSM_BAND_900.

◆ ms_pwr_ctl_lvl()

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 4.1.1 of GSM TS 05.05

Parameters

[in]	GSM	frequency band
[in]	dbm	RF power value in dBm

Returns: TS 05.05 power control level

References GSM_BAND_1800, GSM_BAND_1900, GSM_BAND_450, GSM_BAND_480, GSM_BAND_750, GSM_BAND_810, GSM_BAND_850, and GSM_BAND_900.

◆ ms_pwr_dbm()

int ms_pwr_dbm	(	enum gsm_band	band,
		uint8_t	lvl
	)

Convert TS 05.05 power level to absolute dBm value.

Parameters

[in]	band	GSM frequency band
[in]	lvl	TS 05.05 power control level

Returns: RF power level in dBm

References GSM_BAND_1800, GSM_BAND_1900, GSM_BAND_450, GSM_BAND_480, GSM_BAND_750, GSM_BAND_810, GSM_BAND_850, and GSM_BAND_900.

◆ osmo_dump_gsmtime()

char * osmo_dump_gsmtime ( const struct gsm_time * tm )

References osmo_dump_gsmtime_buf().

Referenced by gsm_fn_as_gsmtime_str().

◆ osmo_dump_gsmtime_buf()

char * osmo_dump_gsmtime_buf	(	char *	buf,
		size_t	buf_len,
		const struct gsm_time *	tm
	)

References gsm_time::fn, gsm_time::t1, gsm_time::t2, and gsm_time::t3.

Referenced by osmo_dump_gsmtime(), and osmo_dump_gsmtime_c().

◆ osmo_dump_gsmtime_c()

char * osmo_dump_gsmtime_c	(	const void *	ctx,
		const struct gsm_time *	tm
	)

References osmo_dump_gsmtime_buf().

◆ osmo_get_rand_id()

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).

Both /dev/(u)random numbers are coming from the same CSPRNG anyway (at least on GNU/Linux >= 4.8). See also RFC4086.

Parameters

[out]	out	Buffer to be filled with random data
[in]	len	Number of random bytes required

Returns: 0 on success, or a negative error code on error.

References ENOTSUP, len, and OSMO_MAX_RAND_ID_LEN.

◆ rxlev2dbm()

int rxlev2dbm ( uint8_t rxlev )

Convert TS 05.08 RxLev to dBm (TS 05.08 Chapter 8.1.4)

Parameters

[in] rxlev TS 05.08 RxLev value

Returns: Received RF power in dBm

Variable Documentation

◆ gsm_7bit_alphabet

unsigned char gsm_7bit_alphabet[]

static

Initial value:

= {
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0a, 0xff, 0xff, 0x0d, 0xff,
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0x20, 0x21, 0x22, 0x23, 0x02, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c,
        0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
        0x3c, 0x3d, 0x3e, 0x3f, 0x00, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a,
        0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
        0x5a, 0x3c, 0x2f, 0x3e, 0x14, 0x11, 0xff, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
        0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
        0x78, 0x79, 0x7a, 0x28, 0x40, 0x29, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0x0c, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x5e, 0xff, 0xff,
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x40, 0xff, 0x01, 0xff,
        0x03, 0xff, 0x7b, 0x7d, 0xff, 0xff, 0xff, 0xff, 0xff, 0x5c, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x5b, 0x7e, 0x5d, 0xff, 0x7c, 0xff, 0xff, 0xff,
        0xff, 0x5b, 0x0e, 0x1c, 0x09, 0xff, 0x1f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x5d,
        0xff, 0xff, 0xff, 0xff, 0x5c, 0xff, 0x0b, 0xff, 0xff, 0xff, 0x5e, 0xff, 0xff, 0x1e, 0x7f,
        0xff, 0xff, 0xff, 0x7b, 0x0f, 0x1d, 0xff, 0x04, 0x05, 0xff, 0xff, 0x07, 0xff, 0xff, 0xff,
        0xff, 0x7d, 0x08, 0xff, 0xff, 0xff, 0x7c, 0xff, 0x0c, 0x06, 0xff, 0xff, 0x7e, 0xff, 0xff
}

Referenced by gsm_7bit_decode_n_hdr(), gsm_septet_encode(), and gsm_septet_lookup().

◆ gsm_ranges

struct gsm_freq_range gsm_ranges[]

static

Initial value:

= {
        { 512,  810, 18502, 800, ARFCN_PCS },   
        {   0,  124,  8900, 450, 0 },           
        { 955, 1023,  8762, 450, 0 },           
        { 128,  251,  8242, 450, 0 },           
        { 512,  885, 17102, 950, 0 },           
        { 259,  293,  4506, 100, 0 },           
        { 306,  340,  4790, 100, 0 },           
        { 350,  425,  8060, 450, 0 },           
        { 438,  511,  7472, 300, 0 },           
        {  }
}

Referenced by gsm_arfcn2freq10(), and gsm_freq102arfcn().

◆ osmo_rat_type_names

const struct value_string osmo_rat_type_names[]

Initial value:

= {
        { OSMO_RAT_UNKNOWN, "unknown" },
        { OSMO_RAT_GERAN_A, "GERAN-A" },
        { OSMO_RAT_UTRAN_IU, "UTRAN-Iu" },
        { OSMO_RAT_EUTRAN_SGS, "EUTRAN-SGs" },
        {}
}

Referenced by osmo_rat_type_name().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ GSM_RFN_THRESHOLD

Function Documentation

◆ dbm2rxlev()

◆ gprs_tlli_type()

◆ gprs_tmsi2tlli()

◆ gsm0858_rsl_ul_meas_enc()

◆ gsm_7bit_decode()

◆ gsm_7bit_decode_n()

◆ gsm_7bit_decode_n_hdr()

◆ gsm_7bit_decode_n_ussd()

◆ gsm_7bit_decode_ussd()

◆ gsm_7bit_encode()

◆ gsm_7bit_encode_n()

◆ gsm_7bit_encode_n_ussd()

◆ gsm_7bit_encode_oct()

◆ gsm_7bit_encode_ussd()

◆ gsm_arfcn2band()

◆ gsm_arfcn2band_rc()

◆ gsm_arfcn2freq10()

◆ gsm_band_name()

◆ gsm_band_parse()

◆ gsm_fn2gsmtime()

◆ gsm_fn_as_gsmtime_str()

◆ gsm_freq102arfcn()

◆ gsm_get_octet_len()

◆ gsm_gsmtime2fn()

◆ gsm_rfn2fn()

◆ gsm_septet_encode()

◆ gsm_septet_lookup()

◆ gsm_septet_pack()

◆ gsm_septets2octets()

◆ ms_class_gmsk_dbm()

◆ ms_pwr_ctl_lvl()

◆ ms_pwr_dbm()

◆ osmo_dump_gsmtime()

◆ osmo_dump_gsmtime_buf()

◆ osmo_dump_gsmtime_c()

◆ osmo_get_rand_id()

◆ rxlev2dbm()

Variable Documentation

◆ gsm_7bit_alphabet

◆ gsm_ranges

◆ osmo_rat_type_names