at v2.6.13 2.8 kB view raw
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#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) 21#define SIOCX25SCUDMATCHLEN (SIOCPROTOPRIVATE + 7) 22#define SIOCX25CALLACCPTAPPRV (SIOCPROTOPRIVATE + 8) 23#define SIOCX25SENDCALLACCPT (SIOCPROTOPRIVATE + 9) 24 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}; 116 117/* 118 * Further optional call user data match length selection 119 */ 120struct x25_subaddr { 121 unsigned int cudmatchlength; 122}; 123 124#endif