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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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.
Shaun Pereiracb65d502005-06-22 22:15:01 -07007 * apr/02/05 Shaun Pereira Selective sub address matching with
8 * call user data
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 */
10
11#ifndef X25_KERNEL_H
12#define X25_KERNEL_H
13
14#define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0)
15#define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1)
16#define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2)
17#define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3)
18#define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4)
19#define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5)
20#define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6)
Shaun Pereiracb65d502005-06-22 22:15:01 -070021#define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7)
Shaun Pereiraebc3f642005-06-22 22:16:17 -070022#define SIOCX25CALLACCPTAPPRV (SIOCPROTOPRIVATE + 8)
23#define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9)
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25/*
26 * Values for {get,set}sockopt.
27 */
28#define X25_QBITINCL 1
29
30/*
31 * X.25 Packet Size values.
32 */
33#define X25_PS16 4
34#define X25_PS32 5
35#define X25_PS64 6
36#define X25_PS128 7
37#define X25_PS256 8
38#define X25_PS512 9
39#define X25_PS1024 10
40#define X25_PS2048 11
41#define X25_PS4096 12
42
43/*
44 * An X.121 address, it is held as ASCII text, null terminated, up to 15
45 * digits and a null terminator.
46 */
47struct x25_address {
48 char x25_addr[16];
49};
50
51/*
52 * Linux X.25 Address structure, used for bind, and connect mostly.
53 */
54struct sockaddr_x25 {
55 sa_family_t sx25_family; /* Must be AF_X25 */
56 struct x25_address sx25_addr; /* X.121 Address */
57};
58
59/*
60 * DTE/DCE subscription options.
61 *
62 * As this is missing lots of options, user should expect major
63 * changes of this structure in 2.5.x which might break compatibilty.
64 * The somewhat ugly dimension 200-sizeof() is needed to maintain
65 * backward compatibility.
66 */
67struct x25_subscrip_struct {
68 char device[200-sizeof(unsigned long)];
69 unsigned long global_facil_mask; /* 0 to disable negotiation */
70 unsigned int extended;
71};
72
73/* values for above global_facil_mask */
74
75#define X25_MASK_REVERSE 0x01
76#define X25_MASK_THROUGHPUT 0x02
77#define X25_MASK_PACKET_SIZE 0x04
78#define X25_MASK_WINDOW_SIZE 0x08
79
80
81
82/*
83 * Routing table control structure.
84 */
85struct x25_route_struct {
86 struct x25_address address;
87 unsigned int sigdigits;
88 char device[200];
89};
90
91/*
92 * Facilities structure.
93 */
94struct x25_facilities {
95 unsigned int winsize_in, winsize_out;
96 unsigned int pacsize_in, pacsize_out;
97 unsigned int throughput;
98 unsigned int reverse;
99};
100
101/*
102 * Call User Data structure.
103 */
104struct x25_calluserdata {
105 unsigned int cudlength;
106 unsigned char cuddata[128];
107};
108
109/*
110 * Call clearing Cause and Diagnostic structure.
111 */
112struct x25_causediag {
113 unsigned char cause;
114 unsigned char diagnostic;
115};
116
Shaun Pereiracb65d502005-06-22 22:15:01 -0700117/*
118 * Further optional call user data match length selection
119 */
120struct x25_subaddr {
121 unsigned int cudmatchlength;
122};
123
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124#endif