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
26 struct 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
35 struct 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
47 extern int lapb_register(void *token, struct lapb_register_struct *callbacks);
48 extern int lapb_unregister(void *token);
49 extern int lapb_getparms(void *token, struct lapb_parms_struct *parms);
50 extern int lapb_setparms(void *token, struct lapb_parms_struct *parms);
51 extern int lapb_connect_request(void *token);
52 extern int lapb_disconnect_request(void *token);
53 extern int lapb_data_request(void *token, struct sk_buff *skb);
54 extern int lapb_data_received(void *token, struct sk_buff *skb);
55
56 #endif
57
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