primitive related stuff More...

#include <stdint.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gsm/prim.h>

Data Structures
struct	mdl_error_ind_param
	for MDL-ERROR.ind More...

struct	dl_rel_req_param
	for DL-REL.req More...

struct	osmo_dlsap_prim
	primitive header for LAPD DL-SAP primitives More...

struct	lapd_msg_ctx
	LAPD message context. More...

struct	lapd_cr_ent

struct	lapd_history

struct	lapd_datalink
	LAPD datalink. More...

Macros
#define	LOGDL(dl, level, fmt, args...) LOGP(DLLAPD, level, "(%s) " fmt, (dl)->name, ## args)

#define	MDL_CAUSE_T200_EXPIRED 0x01

#define	MDL_CAUSE_REEST_REQ 0x02

#define	MDL_CAUSE_UNSOL_UA_RESP 0x03

#define	MDL_CAUSE_UNSOL_DM_RESP 0x04

#define	MDL_CAUSE_UNSOL_DM_RESP_MF 0x05

#define	MDL_CAUSE_UNSOL_SPRV_RESP 0x06

#define	MDL_CAUSE_SEQ_ERR 0x07

#define	MDL_CAUSE_UFRM_INC_PARAM 0x08

#define	MDL_CAUSE_SFRM_INC_PARAM 0x09

#define	MDL_CAUSE_IFRM_INC_MBITS 0x0a

#define	MDL_CAUSE_IFRM_INC_LEN 0x0b

#define	MDL_CAUSE_FRM_UNIMPL 0x0c

#define	MDL_CAUSE_SABM_MF 0x0d

#define	MDL_CAUSE_SABM_INFO_NOTALL 0x0e

#define	MDL_CAUSE_FRMR 0x0f

#define	LAPD_F_RTS 0x0001
	lapd_flags More...

#define	LAPD_F_DROP_2ND_REJ 0x0002

Enumerations
enum	osmo_dl_prim { PRIM_DL_UNIT_DATA , PRIM_DL_DATA , PRIM_DL_EST , PRIM_DL_REL , PRIM_DL_SUSP , PRIM_DL_RES , PRIM_DL_RECON , PRIM_MDL_ERROR }
	LAPD related primitives (L2<->L3 SAP) More...

enum	lapd_mode { LAPD_MODE_USER , LAPD_MODE_NETWORK }
	LAPD mode/role. More...

enum	lapd_state { LAPD_STATE_NULL = 0 , LAPD_STATE_TEI_UNASS , LAPD_STATE_ASS_TEI_WAIT , LAPD_STATE_EST_TEI_WAIT , LAPD_STATE_IDLE , LAPD_STATE_SABM_SENT , LAPD_STATE_DISC_SENT , LAPD_STATE_MF_EST , LAPD_STATE_TIMER_RECOV }
	LAPD state (Figure B.2/Q.921) More...

enum	lapd_t200_rts { LAPD_T200_RTS_OFF = 0 , LAPD_T200_RTS_PENDING , LAPD_T200_RTS_RUNNING }
	LAPD T200 state in RTS mode. More...

enum	lapd_format { LAPD_FORM_UKN = 0 , LAPD_FORM_I , LAPD_FORM_S , LAPD_FORM_U }
	LAPD message format (I / S / U) More...

Functions
void	lapd_dl_init (struct lapd_datalink *dl, uint8_t k, uint8_t v_range, int maxf)
	Initialize LAPD datalink instance and allocate history. More...

void	lapd_dl_init2 (struct lapd_datalink dl, uint8_t k, uint8_t v_range, int maxf, const char name)
	Initialize LAPD datalink instance and allocate history. More...

void	lapd_dl_set_name (struct lapd_datalink dl, const char name)

void	lapd_dl_exit (struct lapd_datalink *dl)

void	lapd_dl_reset (struct lapd_datalink *dl)

int	lapd_dl_set_flags (struct lapd_datalink *dl, unsigned int flags)
	Set lapd_flags to change behaviour. More...

int	lapd_set_mode (struct lapd_datalink *dl, enum lapd_mode mode)
	Set the lapdm_mode of a LAPDm entity. More...

int	lapd_ph_data_ind (struct msgb msg, struct lapd_msg_ctx lctx)

int	lapd_ph_rts_ind (struct lapd_msg_ctx *lctx)
	Enqueue next LAPD frame and run pending T200. More...

int	lapd_recv_dlsap (struct osmo_dlsap_prim dp, struct lapd_msg_ctx lctx)

int	lapd_t200_timeout (struct lapd_datalink *dl)
	Handle timeout condition of T200 in RTS mode. More...

Detailed Description

primitive related stuff

Data Structures