libosmogsm  0.6.3
Osmocom GSM library
lapd_core.h File Reference
#include <stdint.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gsm/prim.h>

Go to the source code of this file.

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 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

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

Functions

void lapd_dl_init (struct lapd_datalink *dl, uint8_t k, uint8_t v_range, int maxf)
void lapd_dl_exit (struct lapd_datalink *dl)
void lapd_dl_reset (struct lapd_datalink *dl)
int lapd_set_mode (struct lapd_datalink *dl, enum lapd_mode mode)
 Set the lapdm_mode of a LAPDm entity.
int lapd_ph_data_ind (struct msgb *msg, struct lapd_msg_ctx *lctx)
int lapd_recv_dlsap (struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx)

Detailed Description

primitive related stuff