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 */ 8 9#ifndef X25_KERNEL_H 10#define X25_KERNEL_H 11 12#define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0) 13#define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1) 14#define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2) 15#define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3) 16#define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4) 17#define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5) 18#define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6) 19 20/* 21 * Values for {get,set}sockopt. 22 */ 23#define X25_QBITINCL 1 24 25/* 26 * X.25 Packet Size values. 27 */ 28#define X25_PS16 4 29#define X25_PS32 5 30#define X25_PS64 6 31#define X25_PS128 7 32#define X25_PS256 8 33#define X25_PS512 9 34#define X25_PS1024 10 35#define X25_PS2048 11 36#define X25_PS4096 12 37 38/* 39 * An X.121 address, it is held as ASCII text, null terminated, up to 15 40 * digits and a null terminator. 41 */ 42typedef struct { 43 char x25_addr[16]; 44} x25_address; 45 46/* 47 * Linux X.25 Address structure, used for bind, and connect mostly. 48 */ 49struct sockaddr_x25 { 50 sa_family_t sx25_family; /* Must be AF_X25 */ 51 x25_address sx25_addr; /* X.121 Address */ 52}; 53 54/* 55 * DTE/DCE subscription options. 56 * 57 * As this is missing lots of options, user should expect major 58 * changes of this structure in 2.5.x which might break compatibilty. 59 * The somewhat ugly dimension 200-sizeof() is needed to maintain 60 * backward compatibility. 61 */ 62struct x25_subscrip_struct { 63 char device[200-sizeof(unsigned long)]; 64 unsigned long global_facil_mask; /* 0 to disable negotiation */ 65 unsigned int extended; 66}; 67 68/* values for above global_facil_mask */ 69 70#define X25_MASK_REVERSE 0x01 71#define X25_MASK_THROUGHPUT 0x02 72#define X25_MASK_PACKET_SIZE 0x04 73#define X25_MASK_WINDOW_SIZE 0x08 74 75 76 77/* 78 * Routing table control structure. 79 */ 80struct x25_route_struct { 81 x25_address address; 82 unsigned int sigdigits; 83 char device[200]; 84}; 85 86/* 87 * Facilities structure. 88 */ 89struct x25_facilities { 90 unsigned int winsize_in, winsize_out; 91 unsigned int pacsize_in, pacsize_out; 92 unsigned int throughput; 93 unsigned int reverse; 94}; 95 96/* 97 * Call User Data structure. 98 */ 99struct x25_calluserdata { 100 unsigned int cudlength; 101 unsigned char cuddata[128]; 102}; 103 104/* 105 * Call clearing Cause and Diagnostic structure. 106 */ 107struct x25_causediag { 108 unsigned char cause; 109 unsigned char diagnostic; 110}; 111 112#endif 113