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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | /* |
3 | * These are the public elements of the Linux kernel X.25 implementation. | |
4 | * | |
5 | * History | |
6 | * mar/20/00 Daniela Squassoni Disabling/enabling of facilities | |
7 | * negotiation. | |
cb65d506 SP |
8 | * apr/02/05 Shaun Pereira Selective sub address matching with |
9 | * call user data | |
1da177e4 LT |
10 | */ |
11 | ||
12 | #ifndef X25_KERNEL_H | |
13 | #define X25_KERNEL_H | |
14 | ||
a64b7b93 | 15 | #include <linux/types.h> |
bcb949b8 | 16 | #include <linux/socket.h> |
a64b7b93 | 17 | |
1da177e4 LT |
18 | #define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0) |
19 | #define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1) | |
20 | #define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2) | |
21 | #define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3) | |
22 | #define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4) | |
23 | #define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5) | |
24 | #define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6) | |
cb65d506 | 25 | #define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7) |
ebc3f64b SP |
26 | #define SIOCX25CALLACCPTAPPRV (SIOCPROTOPRIVATE + 8) |
27 | #define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9) | |
a64b7b93 SP |
28 | #define SIOCX25GDTEFACILITIES (SIOCPROTOPRIVATE + 10) |
29 | #define SIOCX25SDTEFACILITIES (SIOCPROTOPRIVATE + 11) | |
386e50cc | 30 | #define SIOCX25SCAUSEDIAG (SIOCPROTOPRIVATE + 12) |
1da177e4 LT |
31 | |
32 | /* | |
33 | * Values for {get,set}sockopt. | |
34 | */ | |
35 | #define X25_QBITINCL 1 | |
36 | ||
37 | /* | |
38 | * X.25 Packet Size values. | |
39 | */ | |
40 | #define X25_PS16 4 | |
41 | #define X25_PS32 5 | |
42 | #define X25_PS64 6 | |
43 | #define X25_PS128 7 | |
44 | #define X25_PS256 8 | |
45 | #define X25_PS512 9 | |
46 | #define X25_PS1024 10 | |
47 | #define X25_PS2048 11 | |
48 | #define X25_PS4096 12 | |
49 | ||
50 | /* | |
51 | * An X.121 address, it is held as ASCII text, null terminated, up to 15 | |
52 | * digits and a null terminator. | |
53 | */ | |
54 | struct x25_address { | |
55 | char x25_addr[16]; | |
56 | }; | |
57 | ||
58 | /* | |
59 | * Linux X.25 Address structure, used for bind, and connect mostly. | |
60 | */ | |
61 | struct sockaddr_x25 { | |
bcb949b8 | 62 | __kernel_sa_family_t sx25_family; /* Must be AF_X25 */ |
1da177e4 LT |
63 | struct x25_address sx25_addr; /* X.121 Address */ |
64 | }; | |
65 | ||
66 | /* | |
67 | * DTE/DCE subscription options. | |
68 | * | |
69 | * As this is missing lots of options, user should expect major | |
70 | * changes of this structure in 2.5.x which might break compatibilty. | |
71 | * The somewhat ugly dimension 200-sizeof() is needed to maintain | |
72 | * backward compatibility. | |
73 | */ | |
74 | struct x25_subscrip_struct { | |
75 | char device[200-sizeof(unsigned long)]; | |
76 | unsigned long global_facil_mask; /* 0 to disable negotiation */ | |
77 | unsigned int extended; | |
78 | }; | |
79 | ||
80 | /* values for above global_facil_mask */ | |
81 | ||
82 | #define X25_MASK_REVERSE 0x01 | |
83 | #define X25_MASK_THROUGHPUT 0x02 | |
84 | #define X25_MASK_PACKET_SIZE 0x04 | |
85 | #define X25_MASK_WINDOW_SIZE 0x08 | |
86 | ||
a64b7b93 SP |
87 | #define X25_MASK_CALLING_AE 0x10 |
88 | #define X25_MASK_CALLED_AE 0x20 | |
1da177e4 LT |
89 | |
90 | ||
91 | /* | |
92 | * Routing table control structure. | |
93 | */ | |
94 | struct x25_route_struct { | |
95 | struct x25_address address; | |
96 | unsigned int sigdigits; | |
97 | char device[200]; | |
98 | }; | |
99 | ||
100 | /* | |
101 | * Facilities structure. | |
102 | */ | |
103 | struct x25_facilities { | |
104 | unsigned int winsize_in, winsize_out; | |
105 | unsigned int pacsize_in, pacsize_out; | |
106 | unsigned int throughput; | |
107 | unsigned int reverse; | |
108 | }; | |
109 | ||
a64b7b93 SP |
110 | /* |
111 | * ITU DTE facilities | |
112 | * Only the called and calling address | |
113 | * extension are currently implemented. | |
114 | * The rest are in place to avoid the struct | |
115 | * changing size if someone needs them later | |
116 | */ | |
117 | ||
118 | struct x25_dte_facilities { | |
119 | __u16 delay_cumul; | |
120 | __u16 delay_target; | |
121 | __u16 delay_max; | |
122 | __u8 min_throughput; | |
123 | __u8 expedited; | |
124 | __u8 calling_len; | |
125 | __u8 called_len; | |
126 | __u8 calling_ae[20]; | |
127 | __u8 called_ae[20]; | |
128 | }; | |
129 | ||
1da177e4 LT |
130 | /* |
131 | * Call User Data structure. | |
132 | */ | |
133 | struct x25_calluserdata { | |
134 | unsigned int cudlength; | |
135 | unsigned char cuddata[128]; | |
136 | }; | |
137 | ||
138 | /* | |
139 | * Call clearing Cause and Diagnostic structure. | |
140 | */ | |
141 | struct x25_causediag { | |
142 | unsigned char cause; | |
143 | unsigned char diagnostic; | |
144 | }; | |
145 | ||
cb65d506 SP |
146 | /* |
147 | * Further optional call user data match length selection | |
148 | */ | |
149 | struct x25_subaddr { | |
150 | unsigned int cudmatchlength; | |
151 | }; | |
152 | ||
1da177e4 | 153 | #endif |