LAPD datalink. More...

#include <lapd_core.h>

Data Fields
int(*	send_dlsap )(struct osmo_dlsap_prim dp, struct lapd_msg_ctx lctx)

int(*	send_ph_data_req )(struct lapd_msg_ctx lctx, struct msgb msg)

int(*	update_pending_frames )(struct lapd_msg_ctx *lctx)

struct {

struct lapd_cr_ent loc2rem
	filled-in once we set the lapd_mode above

struct lapd_cr_ent rem2loc

}	cr

enum lapd_mode	mode
	current mode of link

int	use_sabme
	use SABME instead of SABM

int	reestablish
	enable reestablish support

int	n200

int	n200_est_rel
	number of retranmissions

struct lapd_msg_ctx	lctx
	LAPD context.

int	maxf
	maximum frame size (after defragmentation)

uint8_t	k
	maximum number of unacknowledged frames

uint8_t	v_range
	range of sequence numbers

uint8_t	v_send
	seq nr of next I frame to be transmitted

uint8_t	v_ack
	last frame ACKed by peer

uint8_t	v_recv
	seq nr of next I frame expected to be received

uint32_t	state
	LAPD state (lapd_state)

int	seq_err_cond
	condition of sequence error

uint8_t	own_busy
	receiver busy on our side

uint8_t	peer_busy
	receiver busy on remote side

int	t200_sec

int	t200_usec
	retry timer (default 1 sec)

int	t203_sec

int	t203_usec
	retry timer (default 10 secs)

struct osmo_timer_list	t200
	T200 timer.

struct osmo_timer_list	t203
	T203 timer.

uint8_t	retrans_ctr
	re-transmission counter

struct llist_head	tx_queue
	frames to L1

struct llist_head	send_queue
	frames from L3

struct msgb *	send_buffer
	current frame transmitting

int	send_out
	how much was sent from send_buffer

struct lapd_history *	tx_hist
	tx history structure array

uint8_t	range_hist
	range of history buffer 2..2^n

struct msgb *	rcv_buffer
	buffer to assemble the received message

struct msgb *	cont_res
	buffer to store content resolution data on network side, to detect multiple phones on same channel

Detailed Description

LAPD datalink.

The documentation for this struct was generated from the following file:

include/osmocom/gsm/lapd_core.h

Data Fields

Detailed Description