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/* $OpenBSD: x25.h,v 1.5 2003/06/02 23:28:13 millert Exp $ */
/* $NetBSD: x25.h,v 1.7 1996/02/13 22:05:51 christos Exp $ */
/*
* Copyright (c) University of British Columbia, 1984
* Copyright (c) 1990, 1992, 1993
* The Regents of the University of California. All rights reserved.
* University of Erlangen-Nuremberg, Germany, 1992
*
* This code is derived from software contributed to Berkeley by the
* Laboratory for Computation Vision and the Computer Science Department
* of the the University of British Columbia and the Computer Science
* Department (IV) of the University of Erlangen-Nuremberg, Germany.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)x25.h 8.1 (Berkeley) 6/10/93
*/
#ifdef _KERNEL
#define PRC_IFUP 3
#define PRC_LINKUP 4
#define PRC_LINKDOWN 5
#define PRC_LINKRESET 6
#define PRC_LINKDONTCOPY 7
#ifndef PRC_DISCONNECT_REQUEST
#define PRC_DISCONNECT_REQUEST 10
#endif
#endif
#define CCITTPROTO_HDLC 1
#define CCITTPROTO_X25 2 /* packet level protocol */
#define IEEEPROTO_802LLC 3 /* doesn't belong here */
#define HDLCPROTO_LAP 1
#define HDLCPROTO_LAPB 2
#define HDLCPROTO_UNSET 3
#define HDLCPROTO_LAPD 4
/* socket options */
#define PK_ACCTFILE 1 /* use level = CCITTPROTO_X25 */
#define PK_FACILITIES 2 /* use level = CCITTPROTO_X25 */
#define PK_RTATTACH 3 /* use level = CCITTPROTO_X25 */
#define PK_PRLISTEN 4 /* use level = CCITTPROTO_X25 */
#define MAX_FACILITIES 109 /* maximum size for facilities */
/*
* X.25 Socket address structure. It contains the X.121 or variation of
* X.121, facilities information, higher level protocol value (first four
* bytes of the User Data field), and the last 12 characters of the User
* Data field.
*/
struct x25_sockaddr { /* obsolete - use sockaddr_x25 */
short xaddr_len; /* Length of xaddr_addr. */
u_char xaddr_addr[15]; /* Network dependent or X.121 address. */
u_char xaddr_facilities; /* Facilities information. */
#define XS_REVERSE_CHARGE 0x01
#define XS_HIPRIO 0x02
u_char xaddr_proto[4]; /* Protocol ID (4 bytes of user data). */
u_char xaddr_userdata[12]; /* Remaining User data field. */
};
/*
* X.25 Socket address structure. It contains the network id, X.121
* address, facilities information, higher level protocol value (first four
* bytes of the User Data field), and up to 12 characters of User Data.
*/
struct sockaddr_x25 {
u_char x25_len;
u_char x25_family; /* must be AF_CCITT */
short x25_net; /* network id code (usually a dnic) */
char x25_addr[16]; /* X.121 address (null terminated) */
struct x25opts {
char op_flags; /* miscellaneous options */
/* pk_var.h defines other lcd_flags */
#define X25_REVERSE_CHARGE 0x01 /* remote DTE pays for call */
#define X25_DBIT 0x02 /* not yet supported */
#define X25_MQBIT 0x04 /* prepend M&Q bit status byte to packet data */
#define X25_OLDSOCKADDR 0x08 /* uses old sockaddr structure */
#define X25_DG_CIRCUIT 0x10 /* lcd_flag: used for datagrams */
#define X25_DG_ROUTING 0x20 /* lcd_flag: peer addr not yet known */
#define X25_MBS_HOLD 0x40 /* lcd_flag: collect m-bit sequences */
char op_psize; /* requested packet size */
#define X25_PS128 7
#define X25_PS256 8
#define X25_PS512 9
char op_wsize; /* window size (1 .. 7) */
char op_speed; /* throughput class */
} x25_opts;
short x25_udlen; /* user data field length */
char x25_udata[16]; /* user data field */
};
/*
* network configuration info
* this structure must be 16 bytes long
*/
struct x25config {
struct sockaddr_x25 xc_addr;
/* link level parameters */
u_short xc_lproto:4, /* link level protocol eg. CCITTPROTO_HDLC */
xc_lptype:4, /* protocol type eg. HDLCPROTO_LAPB */
xc_ltrace:1, /* link level tracing flag */
xc_lwsize:7; /* link level window size */
u_short xc_lxidxchg:1, /* link level XID exchange flag - NOT YET */
/* packet level parameters */
xc_rsvd1:2,
xc_pwsize:3, /* default window size */
xc_psize:4, /* default packet size 7=128, 8=256, ... */
xc_type:3, /* network type */
#define X25_1976 0
#define X25_1980 1
#define X25_1984 2
#define X25_DDN 3
#define X25_BASIC 4
xc_ptrace:1, /* packet level tracing flag */
xc_nodnic:1, /* remove our dnic when calling on net */
xc_prepnd0:1; /* prepend 0 when making offnet calls */
u_short xc_maxlcn; /* max logical channels */
u_short xc_dg_idletimo; /* timeout for idle datagram circuits. */
};
#ifdef IFNAMSIZ
struct ifreq_x25 {
char ifr_name[IFNAMSIZ]; /* if name, e.g. "en0" */
struct x25config ifr_xc;
};
#define SIOCSIFCONF_X25 _IOW('i', 12, struct ifreq_x25) /* set ifnet config */
#define SIOCGIFCONF_X25 _IOWR('i',13, struct ifreq_x25) /* get ifnet config */
#endif
#ifdef _KERNEL
struct llinfo_x25;
struct pklcd;
struct sockaddr_in;
struct x25_ifaddr;
struct ifnet;
struct rtentry;
struct rt_addrinfo;
void x25_lxfree(struct llinfo_x25 *);
int x25_ifinput(struct mbuf *, void *);
int x25_connect_callback(struct mbuf *, void *);
int x25_dgram_incoming(struct mbuf *, void *);
int x25_ifoutput(struct ifnet *, struct mbuf *, struct sockaddr *, struct rtentry *);
void x25_iftimeout(struct ifnet *);
void x25_rtrequest(int , struct rtentry *, struct rt_addrinfo *);
void x25_rtinvert(int , struct sockaddr *, struct rtentry *);
void x25_ddnip_to_ccitt(struct sockaddr *, struct rtentry *);
void x25_dg_rtinit(struct sockaddr_x25 *, struct x25_ifaddr *, int );
void pk_init(void);
int pk_user_protolisten(u_char *);
int pk_rtattach(struct socket *, struct mbuf *);
int x25_rtattach(struct pklcd *, struct rtentry *);
#endif
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