185 lines
7.1 KiB
C
185 lines
7.1 KiB
C
/* $NetBSD: x25.h,v 1.8 1998/09/13 16:21:19 christos Exp $ */
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/*
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* Copyright (c) 1984 University of British Columbia.
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* Copyright (c) 1992 Computer Science Department IV,
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* University of Erlangen-Nuremberg, Germany.
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* Copyright (c) 1990, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by the
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* Laboratory for Computation Vision and the Computer Science Department
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* of the the University of British Columbia and the Computer Science
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* Department (IV) of the University of Erlangen-Nuremberg, Germany.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)x25.h 8.1 (Berkeley) 6/10/93
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*/
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#ifdef _KERNEL
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#define PRC_IFUP 3
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#define PRC_LINKUP 4
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#define PRC_LINKDOWN 5
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#define PRC_LINKRESET 6
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#define PRC_LINKDONTCOPY 7
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#ifndef PRC_DISCONNECT_REQUEST
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#define PRC_DISCONNECT_REQUEST 10
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#endif
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#endif
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#define CCITTPROTO_HDLC 1
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#define CCITTPROTO_X25 2 /* packet level protocol */
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#define IEEEPROTO_802LLC 3 /* doesn't belong here */
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#define HDLCPROTO_LAP 1
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#define HDLCPROTO_LAPB 2
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#define HDLCPROTO_UNSET 3
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#define HDLCPROTO_LAPD 4
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/* socket options */
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#define PK_ACCTFILE 1 /* use level = CCITTPROTO_X25 */
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#define PK_FACILITIES 2 /* use level = CCITTPROTO_X25 */
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#define PK_RTATTACH 3 /* use level = CCITTPROTO_X25 */
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#define PK_PRLISTEN 4 /* use level = CCITTPROTO_X25 */
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#define MAX_FACILITIES 109 /* maximum size for facilities */
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/*
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* X.25 Socket address structure. It contains the X.121 or variation of
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* X.121, facilities information, higher level protocol value (first four
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* bytes of the User Data field), and the last 12 characters of the User
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* Data field.
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*/
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struct x25_sockaddr { /* obsolete - use sockaddr_x25 */
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short xaddr_len; /* Length of xaddr_addr. */
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u_char xaddr_addr[15]; /* Network dependent or X.121 address. */
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u_char xaddr_facilities; /* Facilities information. */
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#define XS_REVERSE_CHARGE 0x01
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#define XS_HIPRIO 0x02
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u_char xaddr_proto[4]; /* Protocol ID (4 bytes of user data). */
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u_char xaddr_userdata[12]; /* Remaining User data field. */
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};
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/*
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* X.25 Socket address structure. It contains the network id, X.121
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* address, facilities information, higher level protocol value (first four
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* bytes of the User Data field), and up to 12 characters of User Data.
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*/
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struct sockaddr_x25 {
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u_char x25_len;
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u_char x25_family; /* must be AF_CCITT */
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short x25_net; /* network id code (usually a dnic) */
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char x25_addr[16]; /* X.121 address (null terminated) */
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struct x25opts {
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char op_flags; /* miscellaneous options */
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/* pk_var.h defines other lcd_flags */
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#define X25_REVERSE_CHARGE 0x01 /* remote DTE pays for call */
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#define X25_DBIT 0x02 /* not yet supported */
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#define X25_MQBIT 0x04 /* prepend M&Q bit status byte to packet data */
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#define X25_OLDSOCKADDR 0x08 /* uses old sockaddr structure */
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#define X25_DG_CIRCUIT 0x10 /* lcd_flag: used for datagrams */
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#define X25_DG_ROUTING 0x20 /* lcd_flag: peer addr not yet known */
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#define X25_MBS_HOLD 0x40 /* lcd_flag: collect m-bit sequences */
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char op_psize; /* requested packet size */
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#define X25_PS128 7
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#define X25_PS256 8
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#define X25_PS512 9
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char op_wsize; /* window size (1 .. 7) */
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char op_speed; /* throughput class */
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} x25_opts;
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short x25_udlen; /* user data field length */
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char x25_udata[16]; /* user data field */
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};
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/*
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* network configuration info
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* this structure must be 16 bytes long
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*/
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struct x25config {
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struct sockaddr_x25 xc_addr;
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/* link level parameters */
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u_short xc_lproto:4, /* link level protocol eg. CCITTPROTO_HDLC */
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xc_lptype:4, /* protocol type eg. HDLCPROTO_LAPB */
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xc_ltrace:1, /* link level tracing flag */
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xc_lwsize:7; /* link level window size */
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u_short xc_lxidxchg:1, /* link level XID exchange flag - NOT YET */
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/* packet level parameters */
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xc_rsvd1:2,
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xc_pwsize:3, /* default window size */
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xc_psize:4, /* default packet size 7=128, 8=256, ... */
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xc_type:3, /* network type */
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#define X25_1976 0
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#define X25_1980 1
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#define X25_1984 2
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#define X25_DDN 3
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#define X25_BASIC 4
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xc_ptrace:1, /* packet level tracing flag */
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xc_nodnic:1, /* remove our dnic when calling on net */
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xc_prepnd0:1; /* prepend 0 when making offnet calls */
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u_short xc_maxlcn; /* max logical channels */
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u_short xc_dg_idletimo; /* timeout for idle datagram circuits. */
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};
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#ifdef IFNAMSIZ
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struct ifreq_x25 {
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char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
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struct x25config ifr_xc;
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};
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#define SIOCSIFCONF_X25 _IOW('i', 12, struct ifreq_x25) /* set ifnet config */
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#define SIOCGIFCONF_X25 _IOWR('i',13, struct ifreq_x25) /* get ifnet config */
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#endif
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#ifdef _KERNEL
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struct llinfo_x25;
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struct pklcd;
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struct sockaddr_in;
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struct x25_ifaddr;
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struct ifnet;
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struct rtentry;
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void x25_lxfree __P((struct llinfo_x25 *));
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int x25_ifinput __P((struct mbuf *, void *));
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int x25_connect_callback __P((struct mbuf *, void *));
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int x25_dgram_incoming __P((struct mbuf *, void *));
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int x25_ifoutput __P((struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *));
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void x25_iftimeout __P((struct ifnet *));
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void x25_rtrequest __P((int , struct rtentry *, struct sockaddr *));
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void x25_rtinvert __P((int , struct sockaddr *, struct rtentry *));
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void x25_ddnip_to_ccitt __P((struct sockaddr *, struct rtentry *));
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void x25_dg_rtinit __P((struct sockaddr_x25 *, struct x25_ifaddr *, int ));
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void pk_init __P((void));
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int pk_user_protolisten __P((u_char *));
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int pk_rtattach __P((struct socket *, struct mbuf *));
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int x25_rtattach __P((struct pklcd *, struct rtentry *));
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#endif
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