gsm48_rest_octets.h File Reference

#include <stdbool.h>
#include <osmocom/gsm/sysinfo.h>
#include <osmocom/gsm/protocol/gsm_44_060.h>

Go to the source code of this file.

Data Structures
struct	osmo_gsm48_si_pch_nch_info
struct	osmo_gsm48_si_vbs_vgcs_options
struct	osmo_gsm48_si_dtm_support
struct	osmo_gsm48_si_gprs_ms_txpwr_max_ccch
struct	osmo_gsm48_si6_ro_info
struct	osmo_gsm48_si_selection_params
struct	osmo_gsm48_si_power_offset
struct	osmo_gsm48_si3_gprs_ind
struct	osmo_gsm48_lsa_params
struct	osmo_gsm48_si_ro_info
struct	osmo_gsm48_si13_info

Macros
#define	SI2Q_MAX_NUM   16
#define	SI2Q_MAX_LEN   160
#define	SI2Q_MIN_LEN   18

Functions
int	osmo_gsm48_rest_octets_si1_encode (uint8_t *data, uint8_t *nch_pos, int is1800_net)
int	osmo_gsm48_si1ro_nch_pos_decode (uint8_t value, uint8_t *num_blocks, uint8_t *first_block)
	Decode the 5-bit 'NCH position' field within SI1 Rest Octets. More...
int	osmo_gsm48_si1ro_nch_pos_encode (uint8_t num_blocks, uint8_t first_block)
	Encode the 5-bit 'NCH position' field within SI1 Rest Octets. More...
int	osmo_gsm48_rest_octets_si2quater_encode (uint8_t *data, uint8_t si2q_index, uint8_t si2q_count, const uint16_t *uarfcn_list, size_t *u_offset, size_t uarfcn_length, uint16_t *scramble_list, struct osmo_earfcn_si2q *si2quater_neigh_list, size_t *e_offset)
int	osmo_gsm48_rest_octets_si6_encode (uint8_t *data, const struct osmo_gsm48_si6_ro_info *in)
int	osmo_gsm48_rest_octets_si3_encode (uint8_t *data, const struct osmo_gsm48_si_ro_info *si3)
int	osmo_gsm48_rest_octets_si4_encode (uint8_t *data, const struct osmo_gsm48_si_ro_info *si4, int len)
int	osmo_gsm48_rest_octets_si13_decode (struct osmo_gsm48_si13_info *si13, const uint8_t *data)
	Decode SI13 Rest Octests (04.08 Chapter 10.5.2.37b). More...
int	osmo_gsm48_rest_octets_si13_encode (uint8_t *data, const struct osmo_gsm48_si13_info *si13)
void	osmo_gsm48_rest_octets_si3_decode (struct osmo_gsm48_si_ro_info *si3, const uint8_t *data)
	Decode SI3 Rest Octests (Chapter 10.5.2.34 / Table 10.4.72). More...
void	osmo_gsm48_rest_octets_si4_decode (struct osmo_gsm48_si_ro_info *si4, const uint8_t *data, int len)

Macro Definition Documentation

SI2Q_MAX_LEN

#define SI2Q_MAX_LEN   160

SI2Q_MAX_NUM

#define SI2Q_MAX_NUM   16

SI2Q_MIN_LEN

#define SI2Q_MIN_LEN   18

Function Documentation

osmo_gsm48_rest_octets_si13_decode()

int osmo_gsm48_rest_octets_si13_decode	(	struct osmo_gsm48_si13_info *	si13,
		const uint8_t *	data
	)

Decode SI13 Rest Octests (04.08 Chapter 10.5.2.37b).

Parameters

[out]	si13	decoded SI13 rest octets
[in]	encoded	SI13 rest octets

Returns

parsed bits on success, negative on error

References osmo_gsm48_si13_info::bcch_change_mark, bitvec_get_bit_high(), bitvec_get_uint(), osmo_gsm48_si13_info::cell_opts, bitvec::cur_bit, bitvec::data, data, bitvec::data_len, decode_gprs_cell_opt(), decode_gprs_pwr_ctrl_pars(), ENOTSUP, H, osmo_gsm48_si13_info::net_ctrl_ord, osmo_gsm48_si13_info::prio_acc_thr, osmo_gsm48_si13_info::pwr_ctrl_pars, osmo_gsm48_si13_info::rac, osmo_gsm48_si13_info::si_change_field, and osmo_gsm48_si13_info::spgc_ccch_sup.

osmo_gsm48_rest_octets_si13_encode()

int osmo_gsm48_rest_octets_si13_encode	(	uint8_t *	data,
		const struct osmo_gsm48_si13_info *	si13
	)

References append_gprs_cell_opt(), append_gprs_mobile_alloc(), append_gprs_pwr_ctrl_pars(), osmo_gsm48_si13_info::bcch_change_mark, bitvec_set_bit(), bitvec_set_uint(), bitvec_spare_padding(), osmo_gsm48_si13_info::cell_opts, bitvec::data, data, bitvec::data_len, H, L, osmo_gsm48_si13_info::net_ctrl_ord, osmo_gsm48_si13_info::prio_acc_thr, osmo_gsm48_si13_info::pwr_ctrl_pars, osmo_gsm48_si13_info::rac, osmo_gsm48_si13_info::si_change_field, and osmo_gsm48_si13_info::spgc_ccch_sup.

osmo_gsm48_rest_octets_si1_encode()

int osmo_gsm48_rest_octets_si1_encode	(	uint8_t *	data,
		uint8_t *	nch_pos,
		int	is1800_net
	)

References bitvec_set_bit(), bitvec_set_uint(), bitvec_spare_padding(), bitvec::data, data, bitvec::data_len, H, and L.

osmo_gsm48_rest_octets_si2quater_encode()

int osmo_gsm48_rest_octets_si2quater_encode	(	uint8_t *	data,
		uint8_t	si2q_index,
		uint8_t	si2q_count,
		const uint16_t *	uarfcn_list,
		size_t *	u_offset,
		size_t	uarfcn_length,
		uint16_t *	scramble_list,
		struct osmo_earfcn_si2q *	si2quater_neigh_list,
		size_t *	e_offset
	)

References append_earfcn(), append_uarfcns(), bitvec_set_bit(), bitvec_set_uint(), bitvec_spare_padding(), bitvec_zero(), bitvec::cur_bit, bitvec::data, data, bitvec::data_len, L, si2q_earfcn_count(), and SI2Q_MAX_LEN.

osmo_gsm48_rest_octets_si3_decode()

void osmo_gsm48_rest_octets_si3_decode	(	struct osmo_gsm48_si_ro_info *	si3,
		const uint8_t *	data
	)

Decode SI3 Rest Octests (Chapter 10.5.2.34 / Table 10.4.72).

Parameters

[out]	si3	decoded SI3 rest octets
[in]	encoded	SI3 rest octets, 4 octets long

References bitvec_get_bit_high(), bitvec_get_uint(), osmo_gsm48_si_selection_params::cbq, osmo_gsm48_si_selection_params::cell_resel_off, bitvec::data, data, bitvec::data_len, osmo_gsm48_si_ro_info::early_cm_ctrl, osmo_gsm48_si_ro_info::early_cm_restrict_3g, osmo_gsm48_si_ro_info::gprs_ind, H, osmo_gsm48_si_selection_params::penalty_time, osmo_gsm48_si_power_offset::power_offset, osmo_gsm48_si_ro_info::power_offset, osmo_gsm48_si_selection_params::present, osmo_gsm48_si_power_offset::present, osmo_gsm48_si3_gprs_ind::present, osmo_gsm48_si_ro_info::present, osmo_gsm48_si3_gprs_ind::ra_colour, osmo_gsm48_si_ro_info::scheduling, osmo_gsm48_si_ro_info::selection_params, osmo_gsm48_si3_gprs_ind::si13_position, osmo_gsm48_si_ro_info::si2quater_indicator, osmo_gsm48_si_ro_info::si2ter_indicator, osmo_gsm48_si_selection_params::temp_offs, and osmo_gsm48_si_ro_info::where.

osmo_gsm48_rest_octets_si3_encode()

int osmo_gsm48_rest_octets_si3_encode	(	uint8_t *	data,
		const struct osmo_gsm48_si_ro_info *	si3
	)

References append_gprs_ind(), append_power_offset(), append_selection_params(), bitvec_set_bit(), bitvec_set_uint(), bitvec_spare_padding(), bitvec::data, data, bitvec::data_len, osmo_gsm48_si_ro_info::early_cm_ctrl, osmo_gsm48_si_ro_info::early_cm_restrict_3g, osmo_gsm48_si_ro_info::gprs_ind, H, L, osmo_gsm48_si_ro_info::power_offset, osmo_gsm48_si_ro_info::present, osmo_gsm48_si_ro_info::scheduling, osmo_gsm48_si_ro_info::selection_params, osmo_gsm48_si_ro_info::si2quater_indicator, osmo_gsm48_si_ro_info::si2ter_indicator, and osmo_gsm48_si_ro_info::where.

osmo_gsm48_rest_octets_si4_decode()

void osmo_gsm48_rest_octets_si4_decode	(	struct osmo_gsm48_si_ro_info *	si4,
		const uint8_t *	data,
		int	len
	)

References bitvec_get_bit_high(), bitvec_get_uint(), osmo_gsm48_si_selection_params::cbq, osmo_gsm48_si_selection_params::cell_resel_off, bitvec::data, data, bitvec::data_len, osmo_gsm48_si_ro_info::gprs_ind, H, len, osmo_gsm48_si_selection_params::penalty_time, osmo_gsm48_si_power_offset::power_offset, osmo_gsm48_si_ro_info::power_offset, osmo_gsm48_si_selection_params::present, osmo_gsm48_si_power_offset::present, osmo_gsm48_si3_gprs_ind::present, osmo_gsm48_si3_gprs_ind::ra_colour, osmo_gsm48_si_ro_info::selection_params, osmo_gsm48_si3_gprs_ind::si13_position, and osmo_gsm48_si_selection_params::temp_offs.

osmo_gsm48_rest_octets_si4_encode()

int osmo_gsm48_rest_octets_si4_encode	(	uint8_t *	data,
		const struct osmo_gsm48_si_ro_info *	si4,
		int	len
	)

References append_gprs_ind(), append_lsa_params(), append_power_offset(), append_selection_params(), bitvec_set_bit(), bitvec_set_uint(), osmo_gsm48_si_ro_info::break_ind, osmo_gsm48_si_ro_info::cell_id, bitvec::data, data, bitvec::data_len, osmo_gsm48_si_ro_info::gprs_ind, H, L, len, osmo_gsm48_si_ro_info::lsa_params, osmo_gsm48_si_ro_info::power_offset, osmo_gsm48_lsa_params::present, and osmo_gsm48_si_ro_info::selection_params.

osmo_gsm48_rest_octets_si6_encode()

int osmo_gsm48_rest_octets_si6_encode	(	uint8_t *	data,
		const struct osmo_gsm48_si6_ro_info *	in
	)

References osmo_gsm48_si6_ro_info::band_indicator_1900, bitvec_set_bit(), bitvec_set_uint(), bitvec_spare_padding(), osmo_gsm48_si_pch_nch_info::call_priority, osmo_gsm48_si_pch_nch_info::call_priority_present, bitvec::data, data, bitvec::data_len, osmo_gsm48_si6_ro_info::dtm_support, osmo_gsm48_si6_ro_info::gprs_ms_txpwr_max_ccch, H, osmo_gsm48_si_vbs_vgcs_options::inband_notifications, osmo_gsm48_si_vbs_vgcs_options::inband_pagings, L, osmo_gsm48_si_dtm_support::max_lapdm, osmo_gsm48_si_gprs_ms_txpwr_max_ccch::max_txpwr, osmo_gsm48_si_pch_nch_info::nln_sacch, osmo_gsm48_si_pch_nch_info::nln_status_sacch, osmo_gsm48_si_pch_nch_info::paging_channel_restructuring, osmo_gsm48_si6_ro_info::pch_nch_info, osmo_gsm48_si_pch_nch_info::present, osmo_gsm48_si_vbs_vgcs_options::present, osmo_gsm48_si_dtm_support::present, osmo_gsm48_si_gprs_ms_txpwr_max_ccch::present, osmo_gsm48_si_dtm_support::rac, and osmo_gsm48_si6_ro_info::vbs_vgcs_options.

osmo_gsm48_si1ro_nch_pos_decode()

int osmo_gsm48_si1ro_nch_pos_decode	(	uint8_t	value,
		uint8_t *	num_blocks,
		uint8_t *	first_block
	)

Decode the 5-bit 'NCH position' field within SI1 Rest Octets.

Parameters

[in]	value	5-bit value from SI1 rest octets
[out]	num_blocks	Number of CCCH used for NCH
[out]	first_block	First CCCH block used for NCH

Returns

0 on success; negative in case of error

References ARRAY_SIZE, nch_pos::first_block, nch_pos::num_blocks, and si1ro_nch_positions.

osmo_gsm48_si1ro_nch_pos_encode()

int osmo_gsm48_si1ro_nch_pos_encode	(	uint8_t	num_blocks,
		uint8_t	first_block
	)

Encode the 5-bit 'NCH position' field within SI1 Rest Octets.

Parameters

[in]	num_blocks	Number of CCCH used for NCH
[in]	first_block	First CCCH block used for NCH

Returns

5-bit value for SI1 rest octets on success; negative in case of error

References ARRAY_SIZE, nch_pos::first_block, nch_pos::num_blocks, and si1ro_nch_positions.