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