1 /*
2 * These are the public elements of the Linux kernel X.25 implementation.
3 *
4 * History
5 * mar/20/00 Daniela Squassoni Disabling/enabling of facilities
6 * negotiation.
7 */
8
9 #ifndef X25_KERNEL_H
10 #define X25_KERNEL_H
11
12 #define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0)
13 #define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1)
14 #define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2)
15 #define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3)
16 #define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4)
17 #define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5)
18 #define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6)
19
20 /*
21 * Values for {get,set}sockopt.
22 */
23 #define X25_QBITINCL 1
24
25 /*
26 * X.25 Packet Size values.
27 */
28 #define X25_PS16 4
29 #define X25_PS32 5
30 #define X25_PS64 6
31 #define X25_PS128 7
32 #define X25_PS256 8
33 #define X25_PS512 9
34 #define X25_PS1024 10
35 #define X25_PS2048 11
36 #define X25_PS4096 12
37
38 /*
39 * An X.121 address, it is held as ASCII text, null terminated, up to 15
40 * digits and a null terminator.
41 */
42 struct x25_address {
43 char x25_addr[16];
44 };
45
46 /*
47 * Linux X.25 Address structure, used for bind, and connect mostly.
48 */
49 struct sockaddr_x25 {
50 sa_family_t sx25_family; /* Must be AF_X25 */
51 struct x25_address sx25_addr; /* X.121 Address */
52 };
53
54 /*
55 * DTE/DCE subscription options.
56 *
57 * As this is missing lots of options, user should expect major
58 * changes of this structure in 2.5.x which might break compatibilty.
59 * The somewhat ugly dimension 200-sizeof() is needed to maintain
60 * backward compatibility.
61 */
62 struct x25_subscrip_struct {
63 char device[200-sizeof(unsigned long)];
64 unsigned long global_facil_mask; /* 0 to disable negotiation */
65 unsigned int extended;
66 };
67
68 /* values for above global_facil_mask */
69
70 #define X25_MASK_REVERSE 0x01
71 #define X25_MASK_THROUGHPUT 0x02
72 #define X25_MASK_PACKET_SIZE 0x04
73 #define X25_MASK_WINDOW_SIZE 0x08
74
75
76
77 /*
78 * Routing table control structure.
79 */
80 struct x25_route_struct {
81 struct x25_address address;
82 unsigned int sigdigits;
83 char device[200];
84 };
85
86 /*
87 * Facilities structure.
88 */
89 struct x25_facilities {
90 unsigned int winsize_in, winsize_out;
91 unsigned int pacsize_in, pacsize_out;
92 unsigned int throughput;
93 unsigned int reverse;
94 };
95
96 /*
97 * Call User Data structure.
98 */
99 struct x25_calluserdata {
100 unsigned int cudlength;
101 unsigned char cuddata[128];
102 };
103
104 /*
105 * Call clearing Cause and Diagnostic structure.
106 */
107 struct x25_causediag {
108 unsigned char cause;
109 unsigned char diagnostic;
110 };
111
112 #endif
113
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