summaryrefslogtreecommitdiffstats
path: root/include/linux/x25.h
blob: 7531cfed5885916d285b79fd1c63730e003e44b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/*
 * These are the public elements of the Linux kernel X.25 implementation.
 *
 * 	History
 *	mar/20/00	Daniela Squassoni Disabling/enabling of facilities 
 *					  negotiation.
 */

#ifndef	X25_KERNEL_H
#define	X25_KERNEL_H

#define	SIOCX25GSUBSCRIP	(SIOCPROTOPRIVATE + 0)
#define	SIOCX25SSUBSCRIP	(SIOCPROTOPRIVATE + 1)
#define	SIOCX25GFACILITIES	(SIOCPROTOPRIVATE + 2)
#define	SIOCX25SFACILITIES	(SIOCPROTOPRIVATE + 3)
#define	SIOCX25GCALLUSERDATA	(SIOCPROTOPRIVATE + 4)
#define	SIOCX25SCALLUSERDATA	(SIOCPROTOPRIVATE + 5)
#define	SIOCX25GCAUSEDIAG	(SIOCPROTOPRIVATE + 6)

/*
 *	Values for {get,set}sockopt.
 */
#define	X25_QBITINCL		1

/*
 *	X.25 Packet Size values.
 */
#define	X25_PS16		4
#define	X25_PS32		5
#define	X25_PS64		6
#define	X25_PS128		7
#define	X25_PS256		8
#define	X25_PS512		9
#define	X25_PS1024		10
#define	X25_PS2048		11
#define	X25_PS4096		12

/*
 * An X.121 address, it is held as ASCII text, null terminated, up to 15
 * digits and a null terminator.
 */
struct x25_address {
	char x25_addr[16];
};

/*
 *	Linux X.25 Address structure, used for bind, and connect mostly.
 */
struct sockaddr_x25 {
	sa_family_t	   sx25_family;		/* Must be AF_X25 */
	struct x25_address sx25_addr;		/* X.121 Address */
};

/*
 *	DTE/DCE subscription options.
 *
 *      As this is missing lots of options, user should expect major
 *	changes of this structure in 2.5.x which might break compatibilty.
 *      The somewhat ugly dimension 200-sizeof() is needed to maintain
 *	backward compatibility.
 */
struct x25_subscrip_struct {
	char device[200-sizeof(unsigned long)];
	unsigned long	global_facil_mask;	/* 0 to disable negotiation */
	unsigned int	extended;
};

/* values for above global_facil_mask */

#define	X25_MASK_REVERSE	0x01	
#define	X25_MASK_THROUGHPUT	0x02
#define	X25_MASK_PACKET_SIZE	0x04
#define	X25_MASK_WINDOW_SIZE	0x08



/*
 *	Routing table control structure.
 */
struct x25_route_struct {
	struct x25_address address;
	unsigned int	   sigdigits;
	char		   device[200];
};

/*
 *	Facilities structure.
 */
struct x25_facilities {
	unsigned int	winsize_in, winsize_out;
	unsigned int	pacsize_in, pacsize_out;
	unsigned int	throughput;
	unsigned int	reverse;
};

/*
 *	Call User Data structure.
 */
struct x25_calluserdata {
	unsigned int	cudlength;
	unsigned char	cuddata[128];
};

/*
 *	Call clearing Cause and Diagnostic structure.
 */
struct x25_causediag {
	unsigned char	cause;
	unsigned char	diagnostic;
};

#endif