iuup.c File Reference

#include <errno.h>
#include <inttypes.h>
#include <osmocom/core/crc8gen.h>
#include <osmocom/core/crc16gen.h>
#include <osmocom/core/fsm.h>
#include <osmocom/core/prim.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/logging.h>
#include <osmocom/gsm/prim.h>
#include <osmocom/gsm/protocol/gsm_25_415.h>
#include <osmocom/gsm/iuup.h>

Data Structures
struct	osmo_timer_nt
struct	osmo_iuup_instance

Macros
#define	S(x)   (1 << (x))
#define	IUUP_TIMER_INIT   1
#define	IUUP_TIMER_TA   2
#define	IUUP_TIMER_RC   3
#define	IUUP_MSGB_SIZE   4096
#define	PTR_ALIGNMENT_BYTES   8
#define	IUUP_MSGB_HEADROOM_MIN_REQUIRED   (OSMO_MAX(sizeof(struct osmo_iuup_tnl_prim), sizeof(struct osmo_iuup_rnl_prim)) + (PTR_ALIGNMENT_BYTES - 1))

Enumerations
enum	iuup_fsm_state {   IUUP_FSM_ST_NULL ,   IUUP_FSM_ST_INIT ,   IUUP_FSM_ST_TrM_DATA_XFER_READY ,   IUUP_FSM_ST_SMpSDU_DATA_XFER_READY }
enum	iuup_fsm_event {   IUUP_FSM_EVT_IUUP_CONFIG_REQ ,   IUUP_FSM_EVT_IUUP_DATA_REQ ,   IUUP_FSM_EVT_IUUP_DATA_IND ,   IUUP_FSM_EVT_IUUP_STATUS_REQ ,   IUUP_FSM_EVT_IUUP_STATUS_IND ,   IUUP_FSM_EVT_SSASAR_UNITDATA_REQ ,   IUUP_FSM_EVT_SSASAR_UNITDATA_IND ,   IUUP_FSM_EVT_IUUP_UNITDATA_REQ ,   IUUP_FSM_EVT_IUUP_UNITDATA_IND ,   IUUP_FSM_EVT_INIT ,   IUUP_FSM_EVT_LAST_INIT_ACK ,   IUUP_FSM_EVT_INIT_NACK }

Functions
static int	iuup_get_payload_offset (const uint8_t *iuup_pdu)
int	osmo_iuup_compute_payload_crc (const uint8_t *iuup_pdu, unsigned int pdu_len)
int	osmo_iuup_compute_header_crc (const uint8_t *iuup_pdu, unsigned int pdu_len)
static uint8_t	iuup_get_pdu_type (const uint8_t *data)
static uint8_t	iuup_get_hdr_crc (const uint8_t *data)
static struct msgb *	osmo_iuup_msgb_alloc_c (void *ctx, size_t size)
static	__attribute__ ((assume_aligned(PTR_ALIGNMENT_BYTES)))
struct osmo_iuup_rnl_prim *	osmo_iuup_rnl_prim_alloc (void *ctx, unsigned int primitive, unsigned int operation, unsigned int size)
struct osmo_iuup_tnl_prim *	osmo_iuup_tnl_prim_alloc (void *ctx, unsigned int primitive, unsigned int operation, unsigned int size)
static struct osmo_iuup_tnl_prim *	itp_ctrl_ack_alloc (struct osmo_iuup_instance *iui, enum iuup_procedure proc_ind, uint8_t fn)
static struct osmo_iuup_tnl_prim *	tnp_ctrl_nack_alloc (struct osmo_iuup_instance *iui, enum iuup_procedure proc_ind, enum iuup_error_cause error_cause, uint8_t fn)
static struct osmo_iuup_tnl_prim *	tnp_ctrl_init_alloc (struct osmo_iuup_instance *iui)
static struct osmo_iuup_rnl_prim *	irp_init_ind_alloc (struct osmo_iuup_instance *iui)
static struct osmo_iuup_tnl_prim *	rnl_to_tnl_data (struct osmo_iuup_instance *iui, struct osmo_iuup_rnl_prim *irp)
static struct osmo_iuup_rnl_prim *	tnl_to_rnl_data (struct osmo_iuup_tnl_prim *itp)
static struct osmo_iuup_rnl_prim *	irp_error_event_alloc_c (void *ctx, enum iuup_error_cause cause, enum iuup_error_distance distance)
static struct osmo_iuup_tnl_prim *	itp_copy_c (void *ctx, const struct osmo_iuup_tnl_prim *src_itp)
static void	retransmit_initialization (struct osmo_iuup_instance *iui)
static bool	iuup_rx_initialization (struct osmo_iuup_instance *iui, struct osmo_iuup_tnl_prim *itp)
static void	iuup_fsm_null (struct osmo_fsm_inst *fi, uint32_t event, void *data)
static void	iuup_fsm_trm_data (struct osmo_fsm_inst *fi, uint32_t event, void *data)
static void	iuup_fsm_init_on_enter (struct osmo_fsm_inst *fi, uint32_t prev_state)
static void	iuup_fsm_init (struct osmo_fsm_inst *fi, uint32_t event, void *data)
static void	iuup_fsm_smpsdu_data (struct osmo_fsm_inst *fi, uint32_t event, void *data)
static int	iuup_fsm_timer_cb (struct osmo_fsm_inst *fi)
static int	iuup_verify_pdu (const uint8_t *data, unsigned int len)
int	osmo_iuup_tnl_prim_up (struct osmo_iuup_instance *inst, struct osmo_iuup_tnl_prim *itp)
int	osmo_iuup_rnl_prim_down (struct osmo_iuup_instance *inst, struct osmo_iuup_rnl_prim *irp)
struct osmo_iuup_instance *	osmo_iuup_instance_alloc (void *ctx, const char *id)
void	osmo_iuup_instance_free (struct osmo_iuup_instance *iui)
void	osmo_iuup_instance_set_user_prim_cb (struct osmo_iuup_instance *iui, osmo_prim_cb func, void *priv)
void	osmo_iuup_instance_set_transport_prim_cb (struct osmo_iuup_instance *iui, osmo_prim_cb func, void *priv)
static	__attribute__ ((constructor))

Variables
const struct osmo_crc8gen_code	iuup_hdr_crc_code
const struct osmo_crc16gen_code	iuup_data_crc_code
static const struct value_string	iuup_fsm_event_names []
static const struct osmo_fsm_state	iuup_fsm_states []
static struct osmo_fsm	iuup_fsm

Macro Definition Documentation

IUUP_MSGB_HEADROOM_MIN_REQUIRED

#define IUUP_MSGB_HEADROOM_MIN_REQUIRED   (OSMO_MAX(sizeof(struct osmo_iuup_tnl_prim), sizeof(struct osmo_iuup_rnl_prim)) + (PTR_ALIGNMENT_BYTES - 1))

IUUP_MSGB_SIZE

#define IUUP_MSGB_SIZE   4096

IUUP_TIMER_INIT

#define IUUP_TIMER_INIT   1

IUUP_TIMER_RC

#define IUUP_TIMER_RC   3

IUUP_TIMER_TA

#define IUUP_TIMER_TA   2

PTR_ALIGNMENT_BYTES

#define PTR_ALIGNMENT_BYTES   8

S

#define S

(

x

)

(1 << (x))

Enumeration Type Documentation

iuup_fsm_event

enum iuup_fsm_event

Enumerator
IUUP_FSM_EVT_IUUP_CONFIG_REQ
IUUP_FSM_EVT_IUUP_DATA_REQ
IUUP_FSM_EVT_IUUP_DATA_IND
IUUP_FSM_EVT_IUUP_STATUS_REQ
IUUP_FSM_EVT_IUUP_STATUS_IND
IUUP_FSM_EVT_SSASAR_UNITDATA_REQ
IUUP_FSM_EVT_SSASAR_UNITDATA_IND
IUUP_FSM_EVT_IUUP_UNITDATA_REQ
IUUP_FSM_EVT_IUUP_UNITDATA_IND
IUUP_FSM_EVT_INIT
IUUP_FSM_EVT_LAST_INIT_ACK
IUUP_FSM_EVT_INIT_NACK

iuup_fsm_state

enum iuup_fsm_state

Enumerator
IUUP_FSM_ST_NULL
IUUP_FSM_ST_INIT
IUUP_FSM_ST_TrM_DATA_XFER_READY
IUUP_FSM_ST_SMpSDU_DATA_XFER_READY

Function Documentation

__attribute__() [1/2]

static __attribute__ ( (assume_aligned(PTR_ALIGNMENT_BYTES))  )

inlinestatic

References len, msg, msgb_data(), msgb_push(), and PTR_ALIGNMENT_BYTES.

__attribute__() [2/2]

static __attribute__ ( (constructor)  )

static

References iuup_fsm, OSMO_ASSERT, and osmo_fsm_register().

irp_error_event_alloc_c()

static struct osmo_iuup_rnl_prim * irp_error_event_alloc_c ( void *  ctx, enum iuup_error_cause  cause, enum iuup_error_distance  distance  )

static

References osmo_iuup_rnl_status::cause, cause, osmo_iuup_rnl_status::distance, osmo_iuup_rnl_status::error_event, IUUP_PROC_ERR_EVENT, msg, msgb_alloc_c(), msgb_put(), osmo_iuup_rnl_prim::oph, OSMO_IUUP_RNL_STATUS, osmo_prim_init(), PRIM_OP_INDICATION, osmo_iuup_rnl_status::procedure, SAP_IUUP_RNL, osmo_iuup_rnl_prim::status, osmo_iuup_rnl_status::u, and osmo_iuup_rnl_prim::u.

Referenced by iuup_fsm_init(), and iuup_fsm_timer_cb().

irp_init_ind_alloc()

static struct osmo_iuup_rnl_prim * irp_init_ind_alloc ( struct osmo_iuup_instance *  iui )

static

References osmo_iuup_instance::config, osmo_iuup_rnl_config::data_pdu_type, osmo_iuup_rnl_status::data_pdu_type, osmo_iuup_rnl_status::initialization, osmo_iuup_rnl_config::IPTIs_present, osmo_iuup_rnl_status::IPTIs_present, IUUP_MSGB_SIZE, IUUP_PROC_INIT, osmo_iuup_rnl_status::mode_version, osmo_iuup_instance::mode_version, osmo_iuup_rnl_config::num_rfci, osmo_iuup_rnl_status::num_rfci, osmo_iuup_rnl_config::num_subflows, osmo_iuup_rnl_status::num_subflows, osmo_iuup_rnl_prim_alloc(), OSMO_IUUP_RNL_STATUS, PRIM_OP_INDICATION, osmo_iuup_rnl_status::procedure, osmo_iuup_rnl_config::rfci, osmo_iuup_rnl_status::rfci, osmo_iuup_rnl_prim::status, osmo_iuup_rnl_status::u, and osmo_iuup_rnl_prim::u.

itp_copy_c()

static struct osmo_iuup_tnl_prim * itp_copy_c ( void *  ctx, const struct osmo_iuup_tnl_prim *  src_itp  )

static

References osmo_prim_hdr::msg, msg, msgb_copy_c(), msgb_data(), and osmo_iuup_tnl_prim::oph.

Referenced by retransmit_initialization().

itp_ctrl_ack_alloc()

static struct osmo_iuup_tnl_prim * itp_ctrl_ack_alloc ( struct osmo_iuup_instance *  iui, enum iuup_procedure  proc_ind, uint8_t  fn  )

static

References iuup_ctrl_ack::hdr, IUUP_AN_ACK, IUUP_MSGB_SIZE, IUUP_PDU_T_CONTROL, msgb::l2h, osmo_iuup_instance::mode_version, osmo_prim_hdr::msg, msgb_l2, msgb_l2len(), msgb_put(), osmo_iuup_tnl_prim::oph, osmo_iuup_compute_header_crc(), osmo_iuup_tnl_prim_alloc(), OSMO_IUUP_TNL_UNITDATA, and PRIM_OP_REQUEST.

iuup_fsm_init()

static void iuup_fsm_init ( struct osmo_fsm_inst *  fi, uint32_t  event, void *  data  )

static

References osmo_iuup_instance::config, data, osmo_iuup_instance::fi, osmo_iuup_instance::init, irp_error_event_alloc_c(), IUUP_ERR_CAUSE_INIT_FAILURE_REP_NACK, IUUP_ERR_DIST_SECOND_FWD, IUUP_FSM_EVT_INIT, IUUP_FSM_EVT_INIT_NACK, IUUP_FSM_EVT_IUUP_CONFIG_REQ, IUUP_FSM_EVT_LAST_INIT_ACK, IUUP_FSM_ST_NULL, IUUP_FSM_ST_SMpSDU_DATA_XFER_READY, iuup_rx_initialization(), LOGL_NOTICE, LOGPFSML, osmo_timer_nt::n, osmo_iuup_rnl_config_timer::n_max, osmo_iuup_rnl_prim::oph, OSMO_ASSERT, osmo_fsm_inst_state_chg, osmo_timer_del(), osmo_fsm_inst::priv, retransmit_initialization(), osmo_iuup_rnl_config::t_init, osmo_fsm_inst::timer, osmo_iuup_instance::timer, osmo_iuup_instance::user_prim_cb, and osmo_iuup_instance::user_prim_priv.

iuup_fsm_init_on_enter()

static void iuup_fsm_init_on_enter ( struct osmo_fsm_inst *  fi, uint32_t  prev_state  )

static

References osmo_iuup_rnl_config::active, osmo_iuup_instance::config, osmo_iuup_instance::fi, osmo_iuup_instance::init, osmo_timer_nt::n, osmo_fsm_inst::priv, osmo_timer_nt::retrans_itp, retransmit_initialization(), osmo_iuup_instance::timer, tnp_ctrl_init_alloc(), and osmo_iuup_instance::type14_fn.

iuup_fsm_null()

static void iuup_fsm_null ( struct osmo_fsm_inst *  fi, uint32_t  event, void *  data  )

static

References osmo_iuup_rnl_prim::config, osmo_iuup_instance::config, data, osmo_iuup_instance::fi, IUUP_FSM_EVT_IUUP_CONFIG_REQ, IUUP_FSM_ST_INIT, IUUP_FSM_ST_TrM_DATA_XFER_READY, osmo_fsm_inst_state_chg, osmo_fsm_inst::priv, osmo_iuup_rnl_config::supported_versions_mask, osmo_iuup_rnl_config::transparent, and osmo_iuup_rnl_prim::u.

iuup_fsm_smpsdu_data()

static void iuup_fsm_smpsdu_data ( struct osmo_fsm_inst *  fi, uint32_t  event, void *  data  )

static

References data, osmo_iuup_instance::fi, IUUP_FSM_EVT_INIT, IUUP_FSM_EVT_IUUP_CONFIG_REQ, IUUP_FSM_EVT_IUUP_DATA_IND, IUUP_FSM_EVT_IUUP_DATA_REQ, IUUP_FSM_ST_INIT, IUUP_FSM_ST_NULL, iuup_rx_initialization(), osmo_iuup_tnl_prim::oph, osmo_iuup_rnl_prim::oph, osmo_fsm_inst_state_chg, osmo_fsm_inst::priv, rnl_to_tnl_data(), tnl_to_rnl_data(), osmo_iuup_instance::transport_prim_cb, osmo_iuup_instance::transport_prim_priv, osmo_iuup_instance::user_prim_cb, and osmo_iuup_instance::user_prim_priv.

iuup_fsm_timer_cb()

static int iuup_fsm_timer_cb ( struct osmo_fsm_inst *  fi )

static

References osmo_iuup_instance::config, osmo_iuup_instance::fi, osmo_iuup_instance::init, irp_error_event_alloc_c(), IUUP_ERR_CAUSE_INIT_FAILURE_NET_TMR, IUUP_ERR_DIST_LOCAL, IUUP_FSM_ST_INIT, IUUP_TIMER_INIT, IUUP_TIMER_RC, IUUP_TIMER_TA, osmo_timer_nt::n, osmo_iuup_rnl_config_timer::n_max, osmo_iuup_rnl_prim::oph, OSMO_ASSERT, osmo_fsm_inst::priv, retransmit_initialization(), osmo_fsm_inst::state, osmo_fsm_inst::T, osmo_iuup_rnl_config::t_init, osmo_iuup_instance::timer, osmo_iuup_instance::user_prim_cb, and osmo_iuup_instance::user_prim_priv.

iuup_fsm_trm_data()

static void iuup_fsm_trm_data ( struct osmo_fsm_inst *  fi, uint32_t  event, void *  data  )

static

References IUUP_FSM_EVT_IUUP_CONFIG_REQ, IUUP_FSM_EVT_IUUP_DATA_IND, IUUP_FSM_EVT_IUUP_DATA_REQ, IUUP_FSM_EVT_IUUP_UNITDATA_IND, IUUP_FSM_EVT_IUUP_UNITDATA_REQ, IUUP_FSM_EVT_SSASAR_UNITDATA_IND, IUUP_FSM_EVT_SSASAR_UNITDATA_REQ, IUUP_FSM_ST_NULL, and osmo_fsm_inst_state_chg.

iuup_get_hdr_crc()

static uint8_t iuup_get_hdr_crc ( const uint8_t *  data )

inlinestatic

References data.

Referenced by iuup_verify_pdu().

iuup_get_payload_offset()

static int iuup_get_payload_offset ( const uint8_t *  iuup_pdu )

static

References pdu_type.

Referenced by osmo_iuup_compute_payload_crc().

iuup_get_pdu_type()

static uint8_t iuup_get_pdu_type ( const uint8_t *  data )

inlinestatic

References data.

Referenced by iuup_verify_pdu(), osmo_iuup_tnl_prim_up(), and tnl_to_rnl_data().

iuup_rx_initialization()

static bool iuup_rx_initialization ( struct osmo_iuup_instance *  iui, struct osmo_iuup_tnl_prim *  itp  )

static

References osmo_iuup_instance::config, osmo_iuup_instance::fi, for(), hdr, if(), IUUP_ERR_CAUSE_UNEXPECTED_RFCI, IUUP_ERR_CAUSE_UNEXPECTED_VALUE, IUUP_MAX_RFCIS, LOGL_NOTICE, LOGPFSML, osmo_prim_hdr::msg, msgb_l2, osmo_iuup_tnl_prim::oph, and osmo_iuup_rnl_config::rfci.

Referenced by iuup_fsm_init(), and iuup_fsm_smpsdu_data().

iuup_verify_pdu()

static int iuup_verify_pdu ( const uint8_t *  data, unsigned int  len  )

static

References data, DLIUUP, IUUP_AN_PROCEDURE, iuup_get_hdr_crc(), iuup_get_pdu_type(), IUUP_PDU_T_CONTROL, IUUP_PDU_T_DATA_CRC, IUUP_PDU_T_DATA_NOCRC, len, LOGL_NOTICE, LOGP, osmo_iuup_compute_header_crc(), osmo_iuup_compute_payload_crc(), and pdu_type.

Referenced by osmo_iuup_tnl_prim_up().

osmo_iuup_compute_header_crc()

int osmo_iuup_compute_header_crc	(	const uint8_t *	iuup_pdu,
		unsigned int	pdu_len
	)

References iuup_hdr_crc_code, osmo_crc8gen_compute_bits(), and osmo_pbit2ubit().

Referenced by itp_ctrl_ack_alloc(), iuup_verify_pdu(), rnl_to_tnl_data(), tnp_ctrl_init_alloc(), and tnp_ctrl_nack_alloc().

osmo_iuup_compute_payload_crc()

int osmo_iuup_compute_payload_crc	(	const uint8_t *	iuup_pdu,
		unsigned int	pdu_len
	)

References iuup_data_crc_code, iuup_get_payload_offset(), osmo_crc16gen_compute_bits(), osmo_pbit2ubit(), and pdu_type.

Referenced by iuup_verify_pdu(), rnl_to_tnl_data(), and tnp_ctrl_init_alloc().

osmo_iuup_instance_alloc()

struct osmo_iuup_instance * osmo_iuup_instance_alloc	(	void *	ctx,
		const char *	id
	)

References osmo_iuup_instance::fi, iuup_fsm, LOGL_DEBUG, and osmo_fsm_inst_alloc().

osmo_iuup_instance_free()

void osmo_iuup_instance_free

(

struct osmo_iuup_instance *

iui

)

References osmo_iuup_instance::fi, and osmo_fsm_inst_free().

osmo_iuup_instance_set_transport_prim_cb()

void osmo_iuup_instance_set_transport_prim_cb	(	struct osmo_iuup_instance *	iui,
		osmo_prim_cb	func,
		void *	priv
	)

References osmo_iuup_instance::transport_prim_cb, and osmo_iuup_instance::transport_prim_priv.

osmo_iuup_instance_set_user_prim_cb()

void osmo_iuup_instance_set_user_prim_cb	(	struct osmo_iuup_instance *	iui,
		osmo_prim_cb	func,
		void *	priv
	)

References osmo_iuup_instance::user_prim_cb, and osmo_iuup_instance::user_prim_priv.

osmo_iuup_msgb_alloc_c()

static struct msgb * osmo_iuup_msgb_alloc_c ( void *  ctx, size_t  size  )

inlinestatic

References IUUP_MSGB_HEADROOM_MIN_REQUIRED, msgb_alloc_headroom_c(), and OSMO_ASSERT.

Referenced by osmo_iuup_rnl_prim_alloc(), and osmo_iuup_tnl_prim_alloc().

osmo_iuup_rnl_prim_alloc()

struct osmo_iuup_rnl_prim * osmo_iuup_rnl_prim_alloc	(	void *	ctx,
		unsigned int	primitive,
		unsigned int	operation,
		unsigned int	size
	)

References msg, osmo_iuup_rnl_prim::oph, osmo_iuup_msgb_alloc_c(), osmo_prim_init(), and SAP_IUUP_RNL.

Referenced by irp_init_ind_alloc().

osmo_iuup_rnl_prim_down()

int osmo_iuup_rnl_prim_down	(	struct osmo_iuup_instance *	inst,
		struct osmo_iuup_rnl_prim *	irp
	)

References osmo_iuup_instance::fi, IUUP_FSM_EVT_IUUP_CONFIG_REQ, IUUP_FSM_EVT_IUUP_DATA_REQ, IUUP_FSM_EVT_IUUP_STATUS_REQ, osmo_prim_hdr::msg, msgb_free(), osmo_iuup_rnl_prim::oph, OSMO_ASSERT, osmo_fsm_inst_dispatch, OSMO_IUUP_RNL_CONFIG, OSMO_IUUP_RNL_DATA, OSMO_IUUP_RNL_STATUS, OSMO_PRIM, OSMO_PRIM_HDR, PRIM_OP_REQUEST, osmo_prim_hdr::sap, and SAP_IUUP_RNL.

osmo_iuup_tnl_prim_alloc()

struct osmo_iuup_tnl_prim * osmo_iuup_tnl_prim_alloc	(	void *	ctx,
		unsigned int	primitive,
		unsigned int	operation,
		unsigned int	size
	)

References msg, osmo_iuup_tnl_prim::oph, osmo_iuup_msgb_alloc_c(), osmo_prim_init(), and SAP_IUUP_TNL.

Referenced by itp_ctrl_ack_alloc(), tnp_ctrl_init_alloc(), and tnp_ctrl_nack_alloc().

osmo_iuup_tnl_prim_up()

int osmo_iuup_tnl_prim_up	(	struct osmo_iuup_instance *	inst,
		struct osmo_iuup_tnl_prim *	itp
	)

References osmo_iuup_instance::fi, IUUP_AN_ACK, IUUP_AN_NACK, IUUP_AN_PROCEDURE, IUUP_FSM_EVT_INIT, IUUP_FSM_EVT_INIT_NACK, IUUP_FSM_EVT_IUUP_DATA_IND, IUUP_FSM_EVT_LAST_INIT_ACK, iuup_get_pdu_type(), IUUP_PDU_T_CONTROL, IUUP_PDU_T_DATA_CRC, IUUP_PDU_T_DATA_NOCRC, IUUP_PROC_ERR_EVENT, IUUP_PROC_INIT, IUUP_PROC_RATE_CTRL, IUUP_PROC_TIME_ALIGN, iuup_verify_pdu(), msgb::l3h, LOGL_ERROR, LOGL_NOTICE, LOGPFSML, osmo_prim_hdr::msg, msgb_l2, msgb_l2len(), osmo_iuup_tnl_prim::oph, OSMO_ASSERT, osmo_fsm_inst_dispatch, osmo_hexdump(), OSMO_IUUP_TNL_UNITDATA, OSMO_PRIM, OSMO_PRIM_HDR, PRIM_OP_INDICATION, osmo_prim_hdr::sap, and SAP_IUUP_TNL.

retransmit_initialization()

static void retransmit_initialization ( struct osmo_iuup_instance *  iui )

static

References osmo_iuup_instance::config, osmo_iuup_instance::fi, osmo_iuup_instance::init, itp_copy_c(), IUUP_TIMER_INIT, osmo_iuup_tnl_prim::oph, osmo_timer_schedule(), osmo_timer_nt::retrans_itp, osmo_fsm_inst::T, osmo_iuup_rnl_config::t_init, osmo_iuup_rnl_config_timer::t_ms, osmo_fsm_inst::timer, osmo_iuup_instance::timer, osmo_iuup_instance::transport_prim_cb, and osmo_iuup_instance::transport_prim_priv.

Referenced by iuup_fsm_init(), iuup_fsm_init_on_enter(), and iuup_fsm_timer_cb().

rnl_to_tnl_data()

static struct osmo_iuup_tnl_prim * rnl_to_tnl_data ( struct osmo_iuup_instance *  iui, struct osmo_iuup_rnl_prim *  irp  )

static

References osmo_iuup_instance::config, osmo_iuup_rnl_prim::data, osmo_iuup_rnl_config::data_pdu_type, osmo_iuup_rnl_data::fqc, osmo_iuup_rnl_data::frame_nr, IUUP_PDU_T_DATA_CRC, IUUP_PDU_T_DATA_NOCRC, osmo_prim_hdr::msg, msg, msgb_l2, msgb_l2len(), msgb_pull_to_l3(), msgb_push(), osmo_iuup_tnl_prim::oph, osmo_iuup_rnl_prim::oph, OSMO_ASSERT, osmo_iuup_compute_header_crc(), osmo_iuup_compute_payload_crc(), OSMO_IUUP_RNL_DATA, OSMO_IUUP_TNL_UNITDATA, OSMO_PRIM, OSMO_PRIM_HDR, osmo_prim_init(), PRIM_OP_REQUEST, osmo_iuup_rnl_data::rfci, SAP_IUUP_TNL, and osmo_iuup_rnl_prim::u.

Referenced by iuup_fsm_smpsdu_data().

tnl_to_rnl_data()

static struct osmo_iuup_rnl_prim * tnl_to_rnl_data ( struct osmo_iuup_tnl_prim *  itp )

static

References osmo_iuup_rnl_prim::data, osmo_iuup_rnl_data::fqc, osmo_iuup_rnl_data::frame_nr, iuup_get_pdu_type(), IUUP_PDU_T_DATA_CRC, IUUP_PDU_T_DATA_NOCRC, osmo_prim_hdr::msg, msg, msgb_l2, msgb_pull_to_l3(), osmo_iuup_tnl_prim::oph, osmo_iuup_rnl_prim::oph, OSMO_ASSERT, OSMO_IUUP_RNL_DATA, OSMO_IUUP_TNL_UNITDATA, OSMO_PRIM, OSMO_PRIM_HDR, osmo_prim_init(), PRIM_OP_INDICATION, osmo_iuup_rnl_data::rfci, SAP_IUUP_RNL, and osmo_iuup_rnl_prim::u.

Referenced by iuup_fsm_smpsdu_data().

tnp_ctrl_init_alloc()

static struct osmo_iuup_tnl_prim * tnp_ctrl_init_alloc ( struct osmo_iuup_instance *  iui )

static

References ARRAY_SIZE, osmo_iuup_instance::config, osmo_iuup_rnl_config::data_pdu_type, DLIUUP, for(), hdr, osmo_iuup_rfci::id, osmo_iuup_rfci::IPTI, osmo_iuup_rnl_config::IPTIs_present, IUUP_AN_PROCEDURE, IUUP_MSGB_SIZE, IUUP_PDU_T_CONTROL, IUUP_PROC_INIT, LOGL_ERROR, LOGP, osmo_prim_hdr::msg, msg, msgb_free(), msgb_l2, msgb_l2len(), msgb_put(), osmo_iuup_rnl_config::num_rfci, osmo_iuup_rnl_config::num_subflows, osmo_iuup_tnl_prim::oph, osmo_iuup_compute_header_crc(), osmo_iuup_compute_payload_crc(), osmo_iuup_tnl_prim_alloc(), OSMO_IUUP_TNL_UNITDATA, PRIM_OP_REQUEST, osmo_iuup_rnl_config::rfci, osmo_iuup_rfci::subflow_sizes, osmo_iuup_rnl_config::supported_versions_mask, osmo_iuup_instance::type14_fn, and osmo_iuup_rfci::used.

Referenced by iuup_fsm_init_on_enter().

tnp_ctrl_nack_alloc()

static struct osmo_iuup_tnl_prim * tnp_ctrl_nack_alloc ( struct osmo_iuup_instance *  iui, enum iuup_procedure  proc_ind, enum iuup_error_cause  error_cause, uint8_t  fn  )

static

References IUUP_AN_NACK, IUUP_MSGB_SIZE, IUUP_PDU_T_CONTROL, msgb::l2h, osmo_iuup_instance::mode_version, osmo_prim_hdr::msg, msgb_l2, msgb_l2len(), msgb_put(), osmo_iuup_tnl_prim::oph, osmo_iuup_compute_header_crc(), osmo_iuup_tnl_prim_alloc(), OSMO_IUUP_TNL_UNITDATA, and PRIM_OP_REQUEST.

Variable Documentation

iuup_data_crc_code

const struct osmo_crc16gen_code iuup_data_crc_code

Initial value:

= {
        .bits = 10,
        .poly = 563,
        .init = 0,
        .remainder = 0,
}

Referenced by osmo_iuup_compute_payload_crc().

iuup_fsm

struct osmo_fsm iuup_fsm

static

Initial value:

= {
        .name = "IuUP",
        .states = iuup_fsm_states,
        .num_states = ARRAY_SIZE(iuup_fsm_states),
        .timer_cb = iuup_fsm_timer_cb,
        .log_subsys = DLIUUP,
        .event_names = iuup_fsm_event_names,
}

Referenced by __attribute__(), and osmo_iuup_instance_alloc().

iuup_fsm_event_names

const struct value_string iuup_fsm_event_names[]

static

Initial value:

= {
        { IUUP_FSM_EVT_IUUP_CONFIG_REQ,         "IuUP-CONFIG-req" },
        { IUUP_FSM_EVT_IUUP_DATA_REQ,           "IuUP-DATA-req" },
        { IUUP_FSM_EVT_IUUP_DATA_IND,           "IuUP-DATA-ind" },
        { IUUP_FSM_EVT_IUUP_STATUS_REQ,         "IuUP-STATUS-req" },
        { IUUP_FSM_EVT_IUUP_STATUS_IND,         "IuUP-STATUS-ind" },
        { IUUP_FSM_EVT_SSASAR_UNITDATA_REQ,     "SSSAR-UNITDATA-req" },
        { IUUP_FSM_EVT_SSASAR_UNITDATA_IND,     "SSSAR-UNITDATA-ind" },
        { IUUP_FSM_EVT_IUUP_UNITDATA_REQ,       "IuUP-UNITDATA-req" },
        { IUUP_FSM_EVT_IUUP_UNITDATA_IND,       "IuUP-UNITDATA-ind" },
        { IUUP_FSM_EVT_INIT,                    "INIT" },
        { IUUP_FSM_EVT_LAST_INIT_ACK,           "LAST_INIT_ACK" },
        { IUUP_FSM_EVT_INIT_NACK,               "INIT_NACK" },
        { 0, NULL }
}

iuup_fsm_states

const struct osmo_fsm_state iuup_fsm_states[]

static

iuup_hdr_crc_code

const struct osmo_crc8gen_code iuup_hdr_crc_code

Initial value:

= {
        .bits = 6,
        .poly = 47,
        .init = 0,
        .remainder = 0,
}

Referenced by osmo_iuup_compute_header_crc().