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