1/*
2 * These are the public elements of the Linux LAPB module.
3 */
4
5#ifndef	LAPB_KERNEL_H
6#define	LAPB_KERNEL_H
7
8#define	LAPB_OK			0
9#define	LAPB_BADTOKEN		1
10#define	LAPB_INVALUE		2
11#define	LAPB_CONNECTED		3
12#define	LAPB_NOTCONNECTED	4
13#define	LAPB_REFUSED		5
14#define	LAPB_TIMEDOUT		6
15#define	LAPB_NOMEM		7
16
17#define	LAPB_STANDARD		0x00
18#define	LAPB_EXTENDED		0x01
19
20#define	LAPB_SLP		0x00
21#define	LAPB_MLP		0x02
22
23#define	LAPB_DTE		0x00
24#define	LAPB_DCE		0x04
25
26struct lapb_register_struct {
27	void (*connect_confirmation)(void *token, int reason);
28	void (*connect_indication)(void *token, int reason);
29	void (*disconnect_confirmation)(void *token, int reason);
30	void (*disconnect_indication)(void *token, int reason);
31	int  (*data_indication)(void *token, struct sk_buff *skb);
32	void (*data_transmit)(void *token, struct sk_buff *skb);
33};
34
35struct lapb_parms_struct {
36	unsigned int t1;
37	unsigned int t1timer;
38	unsigned int t2;
39	unsigned int t2timer;
40	unsigned int n2;
41	unsigned int n2count;
42	unsigned int window;
43	unsigned int state;
44	unsigned int mode;
45};
46
47extern int lapb_register(void *token, struct lapb_register_struct *callbacks);
48extern int lapb_unregister(void *token);
49extern int lapb_getparms(void *token, struct lapb_parms_struct *parms);
50extern int lapb_setparms(void *token, struct lapb_parms_struct *parms);
51extern int lapb_connect_request(void *token);
52extern int lapb_disconnect_request(void *token);
53extern int lapb_data_request(void *token, struct sk_buff *skb);
54extern int lapb_data_received(void *token, struct sk_buff *skb);
55
56#endif
57