1 /* 2 * Copyright (c) University of British Columbia, 1984 3 * Copyright (c) 1990, 1992, 1993 4 * The Regents of the University of California. All rights reserved. 5 * University of Erlangen-Nuremberg, Germany, 1992 6 * 7 * This code is derived from software contributed to Berkeley by the 8 * Laboratory for Computation Vision and the Computer Science Department 9 * of the the University of British Columbia and the Computer Science 10 * Department (IV) of the University of Erlangen-Nuremberg, Germany. 11 * 12 * %sccs.include.redist.c% 13 * 14 * @(#)x25.h 8.1 (Berkeley) 06/10/93 15 */ 16 17 #ifdef KERNEL 18 #define PRC_IFUP 3 19 #define PRC_LINKUP 4 20 #define PRC_LINKDOWN 5 21 #define PRC_LINKRESET 6 22 #define PRC_LINKDONTCOPY 7 23 #ifndef PRC_DISCONNECT_REQUEST 24 #define PRC_DISCONNECT_REQUEST 10 25 #endif 26 #endif 27 28 #define CCITTPROTO_HDLC 1 29 #define CCITTPROTO_X25 2 /* packet level protocol */ 30 #define IEEEPROTO_802LLC 3 /* doesn't belong here */ 31 32 #define HDLCPROTO_LAP 1 33 #define HDLCPROTO_LAPB 2 34 #define HDLCPROTO_UNSET 3 35 #define HDLCPROTO_LAPD 4 36 37 /* socket options */ 38 #define PK_ACCTFILE 1 /* use level = CCITTPROTO_X25 */ 39 #define PK_FACILITIES 2 /* use level = CCITTPROTO_X25 */ 40 #define PK_RTATTACH 3 /* use level = CCITTPROTO_X25 */ 41 #define PK_PRLISTEN 4 /* use level = CCITTPROTO_X25 */ 42 43 #define MAX_FACILITIES 109 /* maximum size for facilities */ 44 45 /* 46 * X.25 Socket address structure. It contains the X.121 or variation of 47 * X.121, facilities information, higher level protocol value (first four 48 * bytes of the User Data field), and the last 12 characters of the User 49 * Data field. 50 */ 51 52 struct x25_sockaddr { /* obsolete - use sockaddr_x25 */ 53 short xaddr_len; /* Length of xaddr_addr. */ 54 u_char xaddr_addr[15]; /* Network dependent or X.121 address. */ 55 u_char xaddr_facilities; /* Facilities information. */ 56 #define XS_REVERSE_CHARGE 0x01 57 #define XS_HIPRIO 0x02 58 u_char xaddr_proto[4]; /* Protocol ID (4 bytes of user data). */ 59 u_char xaddr_userdata[12]; /* Remaining User data field. */ 60 }; 61 62 /* 63 * X.25 Socket address structure. It contains the network id, X.121 64 * address, facilities information, higher level protocol value (first four 65 * bytes of the User Data field), and up to 12 characters of User Data. 66 */ 67 68 struct sockaddr_x25 { 69 u_char x25_len; 70 u_char x25_family; /* must be AF_CCITT */ 71 short x25_net; /* network id code (usually a dnic) */ 72 char x25_addr[16]; /* X.121 address (null terminated) */ 73 struct x25opts { 74 char op_flags; /* miscellaneous options */ 75 /* pk_var.h defines other lcd_flags */ 76 #define X25_REVERSE_CHARGE 0x01 /* remote DTE pays for call */ 77 #define X25_DBIT 0x02 /* not yet supported */ 78 #define X25_MQBIT 0x04 /* prepend M&Q bit status byte to packet data */ 79 #define X25_OLDSOCKADDR 0x08 /* uses old sockaddr structure */ 80 #define X25_DG_CIRCUIT 0x10 /* lcd_flag: used for datagrams */ 81 #define X25_DG_ROUTING 0x20 /* lcd_flag: peer addr not yet known */ 82 #define X25_MBS_HOLD 0x40 /* lcd_flag: collect m-bit sequences */ 83 char op_psize; /* requested packet size */ 84 #define X25_PS128 7 85 #define X25_PS256 8 86 #define X25_PS512 9 87 char op_wsize; /* window size (1 .. 7) */ 88 char op_speed; /* throughput class */ 89 } x25_opts; 90 short x25_udlen; /* user data field length */ 91 char x25_udata[16]; /* user data field */ 92 }; 93 94 /* 95 * network configuration info 96 * this structure must be 16 bytes long 97 */ 98 99 struct x25config { 100 struct sockaddr_x25 xc_addr; 101 /* link level parameters */ 102 u_short xc_lproto:4, /* link level protocol eg. CCITTPROTO_HDLC */ 103 xc_lptype:4, /* protocol type eg. HDLCPROTO_LAPB */ 104 xc_ltrace:1, /* link level tracing flag */ 105 xc_lwsize:7; /* link level window size */ 106 u_short xc_lxidxchg:1, /* link level XID exchange flag - NOT YET */ 107 /* packet level parameters */ 108 xc_rsvd1:2, 109 xc_pwsize:3, /* default window size */ 110 xc_psize:4, /* default packet size 7=128, 8=256, ... */ 111 xc_type:3, /* network type */ 112 #define X25_1976 0 113 #define X25_1980 1 114 #define X25_1984 2 115 #define X25_DDN 3 116 #define X25_BASIC 4 117 xc_ptrace:1, /* packet level tracing flag */ 118 xc_nodnic:1, /* remove our dnic when calling on net */ 119 xc_prepnd0:1; /* prepend 0 when making offnet calls */ 120 u_short xc_maxlcn; /* max logical channels */ 121 u_short xc_dg_idletimo; /* timeout for idle datagram circuits. */ 122 }; 123 124 #ifdef IFNAMSIZ 125 struct ifreq_x25 { 126 char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */ 127 struct x25config ifr_xc; 128 }; 129 #define SIOCSIFCONF_X25 _IOW('i', 12, struct ifreq_x25) /* set ifnet config */ 130 #define SIOCGIFCONF_X25 _IOWR('i',13, struct ifreq_x25) /* get ifnet config */ 131 #endif 132