#include <errno.h>
#include <string.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/endian.h>
#include <osmocom/gsm/tlv.h>
#include <osmocom/sccp/sccp_types.h>
#include <osmocom/sccp/sccp.h>

Data Structures
struct	sccp_system

struct	sccp_data_callback

struct	udt_offsets

Macros
#define	SCCP_MSG_SIZE 4096

#define	SCCP_MSG_HEADROOM 128

Functions
static	LLIST_HEAD (sccp_connections)

static	LLIST_HEAD (sccp_callbacks)

static struct sccp_data_callback *	_find_ssn (uint8_t ssn)

static void	_send_msg (struct sccp_connection conn, struct msgb msg, void *ctx)

static int	copy_address (struct sccp_address addr, uint8_t offset, struct msgb msgb)

static int	_sccp_parse_optional_data (const int offset, struct msgb msgb, struct sccp_optional_data data)

int	_sccp_parse_connection_request (struct msgb msgb, struct sccp_parse_result result)

int	_sccp_parse_connection_released (struct msgb msgb, struct sccp_parse_result result)

int	_sccp_parse_connection_refused (struct msgb msgb, struct sccp_parse_result result)

int	_sccp_parse_connection_confirm (struct msgb msgb, struct sccp_parse_result result)

int	_sccp_parse_connection_release_complete (struct msgb msgb, struct sccp_parse_result result)

int	_sccp_parse_connection_dt1 (struct msgb msgb, struct sccp_parse_result result)

static int	_sccp_parse_unitdata (struct msgb msgb, struct sccp_parse_result result, const struct udt_offsets *offs)

int	_sccp_parse_udt (struct msgb msgb, struct sccp_parse_result result)

int	_sccp_parse_udts (struct msgb msgb, struct sccp_parse_result result)

static int	_sccp_parse_xudt (struct msgb msgb, struct sccp_parse_result result)

static int	_sccp_parse_xudts (struct msgb msgb, struct sccp_parse_result result)

static int	_sccp_parse_it (struct msgb msgb, struct sccp_parse_result result)

static int	_sccp_parse_err (struct msgb msgb, struct sccp_parse_result result)

int	sccp_create_sccp_addr (struct msgb msg, const struct sockaddr_sccp sock)

struct msgb *	sccp_create_udt (int class, const struct sockaddr_sccp in, const struct sockaddr_sccp out, uint8_t *in_data, int len)

static int	_sccp_send_data (int class, const struct sockaddr_sccp in, const struct sockaddr_sccp out, struct msgb payload, void ctx)

static int	_sccp_handle_read (struct msgb *msgb)

static int	source_local_reference_is_free (struct sccp_source_reference *reference)

static int	destination_local_reference_is_free (struct sccp_source_reference *reference)

static int	assign_source_local_reference (struct sccp_connection *connection)

static void	_sccp_set_connection_state (struct sccp_connection *connection, int new_state)

struct msgb *	sccp_create_refuse (struct sccp_source_reference src_ref, int cause, uint8_t inp, int length)

static int	_sccp_send_refuse (struct sccp_source_reference src_ref, int cause, void ctx)

struct msgb *	sccp_create_cc (struct sccp_source_reference src_ref, struct sccp_source_reference dst_ref)

static int	_sccp_send_connection_confirm (struct sccp_connection *connection)

struct msgb *	sccp_create_cr (const struct sccp_source_reference src_ref, const struct sockaddr_sccp called, const uint8_t *l3_data, size_t l3_length)

static int	_sccp_send_connection_request (struct sccp_connection connection, const struct sockaddr_sccp called, struct msgb *msg)

struct msgb *	sccp_create_dt1 (struct sccp_source_reference dst_ref, uint8_t inp_data, uint8_t len)

static int	_sccp_send_connection_data (struct sccp_connection conn, struct msgb _data)

static int	_sccp_send_connection_it (struct sccp_connection *conn)

struct msgb *	sccp_create_rlsd (struct sccp_source_reference src_ref, struct sccp_source_reference dst_ref, int cause)

static int	_sccp_send_connection_released (struct sccp_connection *conn, int cause)

static int	_sccp_handle_connection_request (struct msgb msgb, void ctx)

static int	_sccp_handle_connection_release_complete (struct msgb *msgb)

static int	_sccp_handle_connection_dt1 (struct msgb *msgb)

static int	_sccp_send_connection_release_complete (struct sccp_connection *connection)

static int	_sccp_handle_connection_released (struct msgb *msgb)

static int	_sccp_handle_connection_refused (struct msgb *msgb)

static int	_sccp_handle_connection_confirm (struct msgb *msgb)

int	sccp_system_init (void(outgoing)(struct sccp_connection conn, struct msgb data, void , void ), void ctx)

int	sccp_system_incoming (struct msgb *msgb)

int	sccp_system_incoming_ctx (struct msgb msgb, void ctx)

int	sccp_connection_write (struct sccp_connection connection, struct msgb data)

int	sccp_connection_send_it (struct sccp_connection *connection)

int	sccp_connection_close (struct sccp_connection *connection, int cause)

int	sccp_connection_free (struct sccp_connection *connection)

int	sccp_connection_force_free (struct sccp_connection *con)

struct sccp_connection *	sccp_connection_socket (void)

int	sccp_connection_connect (struct sccp_connection conn, const struct sockaddr_sccp local, struct msgb *data)

int	sccp_connection_set_incoming (const struct sockaddr_sccp sock, int(accept_cb)(struct sccp_connection , void ), void *context)

int	sccp_write (struct msgb data, const struct sockaddr_sccp in, const struct sockaddr_sccp out, int class, void ctx)

int	sccp_set_read (const struct sockaddr_sccp sock, int(read_cb)(struct msgb , unsigned int, void ), void *context)

	osmo_static_assert (sizeof(struct sccp_source_reference)<=sizeof(uint32_t), enough_space)

uint32_t	sccp_src_ref_to_int (struct sccp_source_reference *ref)

struct sccp_source_reference	sccp_src_ref_from_int (uint32_t int_ref)

int	sccp_determine_msg_type (struct msgb *msg)

int	sccp_parse_header (struct msgb msg, struct sccp_parse_result result)

static	__attribute__ ((constructor))

static	__attribute__ ((destructor))

void	sccp_set_log_area (int log_area)

Variables
static int	DSCCP = 0

static void *	tall_sccp_ctx

const struct sockaddr_sccp	sccp_ssn_bssap

static struct sccp_system	sccp_system

Macro Definition Documentation

◆ SCCP_MSG_HEADROOM

#define SCCP_MSG_HEADROOM 128

Referenced by _sccp_send_connection_it(), _sccp_send_connection_release_complete(), sccp_create_cc(), sccp_create_cr(), sccp_create_dt1(), sccp_create_refuse(), sccp_create_rlsd(), and sccp_create_udt().

◆ SCCP_MSG_SIZE

#define SCCP_MSG_SIZE 4096

Referenced by _sccp_send_connection_it(), _sccp_send_connection_release_complete(), sccp_create_cc(), sccp_create_cr(), sccp_create_dt1(), sccp_create_refuse(), sccp_create_rlsd(), and sccp_create_udt().

Function Documentation

◆ attribute() [1/2]

static __attribute__ ( (constructor) )

static

References tall_sccp_ctx.

◆ attribute() [2/2]

static __attribute__ ( (destructor) )

static

References tall_sccp_ctx.

◆ _find_ssn()

static struct sccp_data_callback* _find_ssn ( uint8_t ssn )

static

References sccp_data_callback::callback, DSCCP, sccp_data_callback::ssn, and tall_sccp_ctx.

Referenced by _sccp_handle_connection_request(), _sccp_handle_read(), sccp_connection_set_incoming(), and sccp_set_read().

◆ _sccp_handle_connection_confirm()

static int _sccp_handle_connection_confirm ( struct msgb * msgb )

static

References _sccp_parse_connection_confirm(), _sccp_set_connection_state(), DSCCP, and sccp_connection::incoming.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_handle_connection_dt1()

static int _sccp_handle_connection_dt1 ( struct msgb * msgb )

static

References _sccp_parse_connection_dt1(), and DSCCP.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_handle_connection_refused()

static int _sccp_handle_connection_refused ( struct msgb * msgb )

static

References _sccp_parse_connection_refused(), _sccp_set_connection_state(), DSCCP, and sccp_connection::incoming.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_handle_connection_release_complete()

static int _sccp_handle_connection_release_complete ( struct msgb * msgb )

static

References _sccp_parse_connection_release_complete(), _sccp_set_connection_state(), and DSCCP.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_handle_connection_released()

static int _sccp_handle_connection_released ( struct msgb * msgb )

static

References _sccp_parse_connection_released(), _sccp_send_connection_release_complete(), and DSCCP.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_handle_connection_request()

static int _sccp_handle_connection_request	(	struct msgb *	msgb,
		void *	ctx
	)

static

References _find_ssn(), _sccp_parse_connection_request(), _sccp_send_connection_confirm(), _sccp_send_refuse(), _sccp_set_connection_state(), sccp_data_callback::accept_cb, sccp_data_callback::accept_context, destination_local_reference_is_free(), DSCCP, sccp_connection::incoming, and tall_sccp_ctx.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_handle_read()

static int _sccp_handle_read ( struct msgb * msgb )

static

References _find_ssn(), _sccp_parse_udt(), DSCCP, sccp_data_callback::read_cb, and sccp_data_callback::read_context.

Referenced by sccp_system_incoming_ctx().

◆ _sccp_parse_connection_confirm()

int _sccp_parse_connection_confirm	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References _sccp_parse_optional_data(), and DSCCP.

Referenced by _sccp_handle_connection_confirm(), and sccp_parse_header().

◆ _sccp_parse_connection_dt1()

int _sccp_parse_connection_dt1	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References DSCCP.

Referenced by _sccp_handle_connection_dt1(), and sccp_parse_header().

◆ _sccp_parse_connection_refused()

int _sccp_parse_connection_refused	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References _sccp_parse_optional_data(), and DSCCP.

Referenced by _sccp_handle_connection_refused(), and sccp_parse_header().

◆ _sccp_parse_connection_release_complete()

int _sccp_parse_connection_release_complete	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References DSCCP.

Referenced by _sccp_handle_connection_release_complete(), and sccp_parse_header().

◆ _sccp_parse_connection_released()

int _sccp_parse_connection_released	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References _sccp_parse_optional_data(), and DSCCP.

Referenced by _sccp_handle_connection_released(), and sccp_parse_header().

◆ _sccp_parse_connection_request()

int _sccp_parse_connection_request	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References _sccp_parse_optional_data(), copy_address(), and DSCCP.

Referenced by _sccp_handle_connection_request(), and sccp_parse_header().

◆ _sccp_parse_err()

static int _sccp_parse_err	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

static

References DSCCP.

Referenced by sccp_parse_header().

◆ _sccp_parse_it()

static int _sccp_parse_it	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

static

References DSCCP.

Referenced by sccp_parse_header().

◆ _sccp_parse_optional_data()

static int _sccp_parse_optional_data	(	const int	offset,
		struct msgb *	msgb,
		struct sccp_optional_data *	data
	)

static

References DSCCP.

Referenced by _sccp_parse_connection_confirm(), _sccp_parse_connection_refused(), _sccp_parse_connection_released(), and _sccp_parse_connection_request().

◆ _sccp_parse_udt()

int _sccp_parse_udt	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References _sccp_parse_unitdata(), and udt_offsets::header_size.

Referenced by _sccp_handle_read(), and sccp_parse_header().

◆ _sccp_parse_udts()

int _sccp_parse_udts	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

References _sccp_parse_unitdata(), and udt_offsets::header_size.

Referenced by sccp_parse_header().

◆ _sccp_parse_unitdata()

static int _sccp_parse_unitdata	(	struct msgb *	msgb,
		struct sccp_parse_result *	result,
		const struct udt_offsets *	offs
	)

static

References udt_offsets::called_offset, udt_offsets::calling_offset, copy_address(), udt_offsets::data_offset, DSCCP, and udt_offsets::header_size.

Referenced by _sccp_parse_udt(), _sccp_parse_udts(), _sccp_parse_xudt(), and _sccp_parse_xudts().

◆ _sccp_parse_xudt()

static int _sccp_parse_xudt	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

static

References _sccp_parse_unitdata(), and udt_offsets::header_size.

Referenced by sccp_parse_header().

◆ _sccp_parse_xudts()

static int _sccp_parse_xudts	(	struct msgb *	msgb,
		struct sccp_parse_result *	result
	)

static

References _sccp_parse_unitdata(), and udt_offsets::header_size.

Referenced by sccp_parse_header().

◆ _sccp_send_connection_confirm()

static int _sccp_send_connection_confirm ( struct sccp_connection * connection )

static

References _sccp_set_connection_state(), _send_msg(), assign_source_local_reference(), and sccp_create_cc().

Referenced by _sccp_handle_connection_request().

◆ _sccp_send_connection_data()

static int _sccp_send_connection_data	(	struct sccp_connection *	conn,
		struct msgb *	_data
	)

static

References _send_msg(), DSCCP, and sccp_create_dt1().

Referenced by sccp_connection_write().

◆ _sccp_send_connection_it()

static int _sccp_send_connection_it ( struct sccp_connection * conn )

static

References _send_msg(), SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by sccp_connection_send_it().

◆ _sccp_send_connection_release_complete()

static int _sccp_send_connection_release_complete ( struct sccp_connection * connection )

static

References _sccp_set_connection_state(), _send_msg(), SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_handle_connection_released().

◆ _sccp_send_connection_released()

static int _sccp_send_connection_released	(	struct sccp_connection *	conn,
		int	cause
	)

static

References _sccp_set_connection_state(), _send_msg(), and sccp_create_rlsd().

Referenced by sccp_connection_close().

◆ _sccp_send_connection_request()

static int _sccp_send_connection_request	(	struct sccp_connection *	connection,
		const struct sockaddr_sccp *	called,
		struct msgb *	msg
	)

static

References _sccp_set_connection_state(), _send_msg(), assign_source_local_reference(), DSCCP, and sccp_create_cr().

Referenced by sccp_connection_connect().

◆ _sccp_send_data()

static int _sccp_send_data	(	int	class,
		const struct sockaddr_sccp *	in,
		const struct sockaddr_sccp *	out,
		struct msgb *	payload,
		void *	ctx
	)

static

References _send_msg(), and sccp_create_udt().

Referenced by sccp_write().

◆ _sccp_send_refuse()

static int _sccp_send_refuse	(	struct sccp_source_reference *	src_ref,
		int	cause,
		void *	ctx
	)

static

References _send_msg(), and sccp_create_refuse().

Referenced by _sccp_handle_connection_request().

◆ _sccp_set_connection_state()

static void _sccp_set_connection_state	(	struct sccp_connection *	connection,
		int	new_state
	)

static

Referenced by _sccp_handle_connection_confirm(), _sccp_handle_connection_refused(), _sccp_handle_connection_release_complete(), _sccp_handle_connection_request(), _sccp_send_connection_confirm(), _sccp_send_connection_release_complete(), _sccp_send_connection_released(), and _sccp_send_connection_request().

◆ _send_msg()

static void _send_msg	(	struct sccp_connection *	conn,
		struct msgb *	msg,
		void *	ctx
	)

static

References sccp_system::write_context, and sccp_system::write_data.

Referenced by _sccp_send_connection_confirm(), _sccp_send_connection_data(), _sccp_send_connection_it(), _sccp_send_connection_release_complete(), _sccp_send_connection_released(), _sccp_send_connection_request(), _sccp_send_data(), and _sccp_send_refuse().

◆ assign_source_local_reference()

static int assign_source_local_reference ( struct sccp_connection * connection )

static

References DSCCP, and source_local_reference_is_free().

Referenced by _sccp_send_connection_confirm(), and _sccp_send_connection_request().

◆ copy_address()

static int copy_address	(	struct sccp_address *	addr,
		uint8_t	offset,
		struct msgb *	msgb
	)

static

References DSCCP.

Referenced by _sccp_parse_connection_request(), and _sccp_parse_unitdata().

◆ destination_local_reference_is_free()

static int destination_local_reference_is_free ( struct sccp_source_reference * reference )

static

Referenced by _sccp_handle_connection_request().

◆ LLIST_HEAD() [1/2]

static LLIST_HEAD ( sccp_connections )

static

◆ LLIST_HEAD() [2/2]

static LLIST_HEAD ( sccp_callbacks )

static

◆ osmo_static_assert()

osmo_static_assert	(	sizeof(struct sccp_source_reference)<=sizeof(uint32_t)	,
		enough_space
	)

Referenced by sccp_set_read().

◆ sccp_connection_close()

int sccp_connection_close	(	struct sccp_connection *	connection,
		int	cause
	)

References _sccp_send_connection_released(), and DSCCP.

◆ sccp_connection_connect()

int sccp_connection_connect	(	struct sccp_connection *	conn,
		const struct sockaddr_sccp *	local,
		struct msgb *	data
	)

References _sccp_send_connection_request().

◆ sccp_connection_force_free()

int sccp_connection_force_free ( struct sccp_connection * con )

References sccp_connection_free().

◆ sccp_connection_free()

int sccp_connection_free ( struct sccp_connection * connection )

References DSCCP.

Referenced by sccp_connection_force_free().

◆ sccp_connection_send_it()

int sccp_connection_send_it ( struct sccp_connection * connection )

References _sccp_send_connection_it(), and DSCCP.

◆ sccp_connection_set_incoming()

int sccp_connection_set_incoming	(	const struct sockaddr_sccp *	sock,
		int()(struct sccp_connection , void *)	accept_cb,
		void *	context
	)

References _find_ssn(), sccp_data_callback::accept_cb, and sccp_data_callback::accept_context.

◆ sccp_connection_socket()

struct sccp_connection* sccp_connection_socket ( void )

References tall_sccp_ctx.

◆ sccp_connection_write()

int sccp_connection_write	(	struct sccp_connection *	connection,
		struct msgb *	data
	)

References _sccp_send_connection_data(), and DSCCP.

◆ sccp_create_cc()

struct msgb* sccp_create_cc	(	struct sccp_source_reference *	src_ref,
		struct sccp_source_reference *	dst_ref
	)

References DSCCP, SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_send_connection_confirm().

◆ sccp_create_cr()

struct msgb* sccp_create_cr	(	const struct sccp_source_reference *	src_ref,
		const struct sockaddr_sccp *	called,
		const uint8_t *	l3_data,
		size_t	l3_length
	)

References data, DSCCP, sccp_create_sccp_addr(), SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_send_connection_request().

◆ sccp_create_dt1()

struct msgb* sccp_create_dt1	(	struct sccp_source_reference *	dst_ref,
		uint8_t *	inp_data,
		uint8_t	len
	)

References data, DSCCP, len, SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_send_connection_data().

◆ sccp_create_refuse()

struct msgb* sccp_create_refuse	(	struct sccp_source_reference *	src_ref,
		int	cause,
		uint8_t *	inp,
		int	length
	)

References data, DSCCP, SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_send_refuse().

◆ sccp_create_rlsd()

struct msgb* sccp_create_rlsd	(	struct sccp_source_reference *	src_ref,
		struct sccp_source_reference *	dst_ref,
		int	cause
	)

References data, DSCCP, SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_send_connection_released().

◆ sccp_create_sccp_addr()

int sccp_create_sccp_addr	(	struct msgb *	msg,
		const struct sockaddr_sccp *	sock
	)

References len.

Referenced by sccp_create_cr(), and sccp_create_udt().

◆ sccp_create_udt()

struct msgb* sccp_create_udt	(	int	class,
		const struct sockaddr_sccp *	in,
		const struct sockaddr_sccp *	out,
		uint8_t *	in_data,
		int	len
	)

References data, DSCCP, len, sccp_create_sccp_addr(), SCCP_MSG_HEADROOM, and SCCP_MSG_SIZE.

Referenced by _sccp_send_data().

◆ sccp_determine_msg_type()

int sccp_determine_msg_type ( struct msgb * msg )

◆ sccp_parse_header()

int sccp_parse_header	(	struct msgb *	msg,
		struct sccp_parse_result *	result
	)

References _sccp_parse_connection_confirm(), _sccp_parse_connection_dt1(), _sccp_parse_connection_refused(), _sccp_parse_connection_release_complete(), _sccp_parse_connection_released(), _sccp_parse_connection_request(), _sccp_parse_err(), _sccp_parse_it(), _sccp_parse_udt(), _sccp_parse_udts(), _sccp_parse_xudt(), _sccp_parse_xudts(), and DSCCP.

◆ sccp_set_log_area()

void sccp_set_log_area ( int log_area )

References DSCCP.

◆ sccp_set_read()

int sccp_set_read	(	const struct sockaddr_sccp *	sock,
		int()(struct msgb , unsigned int, void *)	read_cb,
		void *	context
	)

References _find_ssn(), osmo_static_assert(), sccp_data_callback::read_cb, and sccp_data_callback::read_context.

◆ sccp_src_ref_from_int()

struct sccp_source_reference sccp_src_ref_from_int ( uint32_t int_ref )

◆ sccp_src_ref_to_int()

uint32_t sccp_src_ref_to_int ( struct sccp_source_reference * ref )

◆ sccp_system_incoming()

int sccp_system_incoming ( struct msgb * msgb )

References sccp_system_incoming_ctx().

◆ sccp_system_incoming_ctx()

int sccp_system_incoming_ctx	(	struct msgb *	msgb,
		void *	ctx
	)

References _sccp_handle_connection_confirm(), _sccp_handle_connection_dt1(), _sccp_handle_connection_refused(), _sccp_handle_connection_release_complete(), _sccp_handle_connection_released(), _sccp_handle_connection_request(), _sccp_handle_read(), and DSCCP.

Referenced by sccp_system_incoming().

◆ sccp_system_init()

int sccp_system_init	(	void()(struct sccp_connection conn, struct msgb data, void , void *)	outgoing,
		void *	ctx
	)

References sccp_system::write_context, and sccp_system::write_data.

◆ sccp_write()

int sccp_write	(	struct msgb *	data,
		const struct sockaddr_sccp *	in,
		const struct sockaddr_sccp *	out,
		int	class,
		void *	ctx
	)

References _sccp_send_data().

◆ source_local_reference_is_free()

static int source_local_reference_is_free ( struct sccp_source_reference * reference )

static

Referenced by assign_source_local_reference().

Variable Documentation

◆ DSCCP

int DSCCP = 0

static

Referenced by _find_ssn(), _sccp_handle_connection_confirm(), _sccp_handle_connection_dt1(), _sccp_handle_connection_refused(), _sccp_handle_connection_release_complete(), _sccp_handle_connection_released(), _sccp_handle_connection_request(), _sccp_handle_read(), _sccp_parse_connection_confirm(), _sccp_parse_connection_dt1(), _sccp_parse_connection_refused(), _sccp_parse_connection_release_complete(), _sccp_parse_connection_released(), _sccp_parse_connection_request(), _sccp_parse_err(), _sccp_parse_it(), _sccp_parse_optional_data(), _sccp_parse_unitdata(), _sccp_send_connection_data(), _sccp_send_connection_request(), assign_source_local_reference(), copy_address(), sccp_connection_close(), sccp_connection_free(), sccp_connection_send_it(), sccp_connection_write(), sccp_create_cc(), sccp_create_cr(), sccp_create_dt1(), sccp_create_refuse(), sccp_create_rlsd(), sccp_create_udt(), sccp_parse_header(), sccp_set_log_area(), and sccp_system_incoming_ctx().

◆ sccp_ssn_bssap

const struct sockaddr_sccp sccp_ssn_bssap

Initial value:

= {
        .sccp_family    = 0,
        .sccp_ssn       = SCCP_SSN_BSSAP,
}

◆ sccp_system

struct sccp_system sccp_system

static

Initial value:

= {
        .write_data = NULL,
}

◆ tall_sccp_ctx

void* tall_sccp_ctx

static

Referenced by __attribute__(), _find_ssn(), _sccp_handle_connection_request(), and sccp_connection_socket().

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ SCCP_MSG_HEADROOM

◆ SCCP_MSG_SIZE

Function Documentation

◆ __attribute__() [1/2]

◆ __attribute__() [2/2]

◆ _find_ssn()

◆ _sccp_handle_connection_confirm()

◆ _sccp_handle_connection_dt1()

◆ _sccp_handle_connection_refused()

◆ _sccp_handle_connection_release_complete()

◆ _sccp_handle_connection_released()

◆ _sccp_handle_connection_request()

◆ _sccp_handle_read()

◆ _sccp_parse_connection_confirm()

◆ _sccp_parse_connection_dt1()

◆ _sccp_parse_connection_refused()

◆ _sccp_parse_connection_release_complete()

◆ _sccp_parse_connection_released()

◆ _sccp_parse_connection_request()

◆ _sccp_parse_err()

◆ _sccp_parse_it()

◆ _sccp_parse_optional_data()

◆ _sccp_parse_udt()

◆ _sccp_parse_udts()

◆ _sccp_parse_unitdata()

◆ _sccp_parse_xudt()

◆ _sccp_parse_xudts()

◆ _sccp_send_connection_confirm()

◆ _sccp_send_connection_data()

◆ _sccp_send_connection_it()

◆ _sccp_send_connection_release_complete()

◆ _sccp_send_connection_released()

◆ _sccp_send_connection_request()

◆ _sccp_send_data()

◆ _sccp_send_refuse()

◆ _sccp_set_connection_state()

◆ _send_msg()

◆ assign_source_local_reference()

◆ copy_address()

◆ destination_local_reference_is_free()

◆ LLIST_HEAD() [1/2]

◆ LLIST_HEAD() [2/2]

◆ osmo_static_assert()

◆ sccp_connection_close()

◆ sccp_connection_connect()

◆ sccp_connection_force_free()

◆ sccp_connection_free()

◆ sccp_connection_send_it()

◆ sccp_connection_set_incoming()

◆ sccp_connection_socket()

◆ sccp_connection_write()

◆ sccp_create_cc()

◆ sccp_create_cr()

◆ sccp_create_dt1()

◆ sccp_create_refuse()

◆ sccp_create_rlsd()

◆ sccp_create_sccp_addr()

◆ sccp_create_udt()

◆ sccp_determine_msg_type()

◆ sccp_parse_header()

◆ sccp_set_log_area()

◆ sccp_set_read()

◆ sccp_src_ref_from_int()

◆ sccp_src_ref_to_int()

◆ sccp_system_incoming()

◆ sccp_system_incoming_ctx()

◆ sccp_system_init()

◆ sccp_write()

◆ source_local_reference_is_free()

Variable Documentation

◆ DSCCP

◆ sccp_ssn_bssap

◆ sccp_system

◆ tall_sccp_ctx

◆ attribute() [1/2]

◆ attribute() [2/2]