home *** CD-ROM | disk | FTP | other *** search
- /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
- /*
- * Copyright (c) 1984, 1985, 1986, 1987, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. 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.
- *
- * @(#)ns.h 8.1 (Berkeley) 6/10/93
- */
-
- /*
- * Constants and Structures defined by the Xerox Network Software
- * per "Internet Transport Protocols", XSIS 028112, December 1981
- */
-
- /*
- * Protocols
- */
- #define NSPROTO_RI 1 /* Routing Information */
- #define NSPROTO_ECHO 2 /* Echo Protocol */
- #define NSPROTO_ERROR 3 /* Error Protocol */
- #define NSPROTO_PE 4 /* Packet Exchange */
- #define NSPROTO_SPP 5 /* Sequenced Packet */
- #define NSPROTO_RAW 255 /* Placemarker*/
- #define NSPROTO_MAX 256 /* Placemarker*/
-
-
- /*
- * Port/Socket numbers: network standard functions
- */
-
- #define NSPORT_RI 1 /* Routing Information */
- #define NSPORT_ECHO 2 /* Echo */
- #define NSPORT_RE 3 /* Router Error */
-
- /*
- * Ports < NSPORT_RESERVED are reserved for priveleged
- * processes (e.g. root).
- */
- #define NSPORT_RESERVED 3000
-
- /* flags passed to ns_output as last parameter */
-
- #define NS_FORWARDING 0x1 /* most of idp header exists */
- #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
- #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
-
- #define NS_MAXHOPS 15
-
- /* flags passed to get/set socket option */
- #define SO_HEADERS_ON_INPUT 1
- #define SO_HEADERS_ON_OUTPUT 2
- #define SO_DEFAULT_HEADERS 3
- #define SO_LAST_HEADER 4
- #define SO_NSIP_ROUTE 5
- #define SO_SEQNO 6
- #define SO_ALL_PACKETS 7
- #define SO_MTU 8
-
-
- /*
- * NS addressing
- */
- union ns_host {
- u_char c_host[6];
- u_short s_host[3];
- };
-
- union ns_net {
- u_char c_net[4];
- u_short s_net[2];
- };
-
- union ns_net_u {
- union ns_net net_e;
- u_long long_e;
- };
-
- struct ns_addr {
- union ns_net x_net;
- union ns_host x_host;
- u_short x_port;
- };
-
- /*
- * Socket address, Xerox style
- */
- struct sockaddr_ns {
- u_char sns_len;
- u_char sns_family;
- struct ns_addr sns_addr;
- char sns_zero[2];
- };
- #define sns_port sns_addr.x_port
-
- #ifdef vax
- #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */
- #endif
- #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
- ((a).s_net[1]==(b).s_net[1]))
- #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
- #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr)
- #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
- (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
- #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
- #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
- ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))
-
- #ifdef KERNEL
- extern struct domain nsdomain;
- union ns_host ns_thishost;
- union ns_host ns_zerohost;
- union ns_host ns_broadhost;
- union ns_net ns_zeronet;
- union ns_net ns_broadnet;
- u_short ns_cksum();
- #else
-
- #include <sys/cdefs.h>
-
- __BEGIN_DECLS
- extern struct ns_addr ns_addr __P((const char *));
- extern char *ns_ntoa __P((struct ns_addr));
- __END_DECLS
-
- #endif
-