155 lines
4.5 KiB
C
155 lines
4.5 KiB
C
/*
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* Copyright (c) 1984, 1985, 1986, 1987, 1993
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* The Regents of the University of California. All rights reserved.
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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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* @(#)ns.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD$
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*/
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#ifndef _NETNS_NS_H_
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#define _NETNS_NS_H_
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/*
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* Constants and Structures defined by the Xerox Network Software
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* per "Internet Transport Protocols", XSIS 028112, December 1981
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*/
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/*
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* Protocols
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*/
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#define NSPROTO_RI 1 /* Routing Information */
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#define NSPROTO_ECHO 2 /* Echo Protocol */
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#define NSPROTO_ERROR 3 /* Error Protocol */
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#define NSPROTO_PE 4 /* Packet Exchange */
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#define NSPROTO_SPP 5 /* Sequenced Packet */
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#define NSPROTO_RAW 255 /* Placemarker*/
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#define NSPROTO_MAX 256 /* Placemarker*/
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/*
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* Port/Socket numbers: network standard functions
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*/
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#define NSPORT_RI 1 /* Routing Information */
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#define NSPORT_ECHO 2 /* Echo */
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#define NSPORT_RE 3 /* Router Error */
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/*
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* Ports < NSPORT_RESERVED are reserved for priveleged
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* processes (e.g. root).
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*/
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#define NSPORT_RESERVED 3000
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/* flags passed to ns_output as last parameter */
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#define NS_FORWARDING 0x1 /* most of idp header exists */
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#define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
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#define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
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#define NS_MAXHOPS 15
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/* flags passed to get/set socket option */
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#define SO_HEADERS_ON_INPUT 1
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#define SO_HEADERS_ON_OUTPUT 2
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#define SO_DEFAULT_HEADERS 3
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#define SO_LAST_HEADER 4
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#define SO_NSIP_ROUTE 5
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#define SO_SEQNO 6
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#define SO_ALL_PACKETS 7
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#define SO_MTU 8
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/*
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* NS addressing
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*/
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union ns_host {
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u_char c_host[6];
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u_short s_host[3];
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};
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union ns_net {
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u_char c_net[4];
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u_short s_net[2];
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};
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union ns_net_u {
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union ns_net net_e;
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u_long long_e;
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};
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struct ns_addr {
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union ns_net x_net;
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union ns_host x_host;
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u_short x_port;
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};
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/*
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* Socket address, Xerox style
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*/
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struct sockaddr_ns {
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u_char sns_len;
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u_char sns_family;
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struct ns_addr sns_addr;
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char sns_zero[2];
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};
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#define sns_port sns_addr.x_port
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#define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
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((a).s_net[1]==(b).s_net[1]))
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#define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
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#define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr)
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#define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
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(s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
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#define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
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#define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
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((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))
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#ifdef _KERNEL
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extern struct domain nsdomain;
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extern union ns_host ns_thishost;
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extern union ns_host ns_zerohost;
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extern union ns_host ns_broadhost;
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extern union ns_net ns_zeronet;
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extern union ns_net ns_broadnet;
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u_short ns_cksum(void);
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#else
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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extern struct ns_addr ns_addr(const char *);
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extern char *ns_ntoa(struct ns_addr);
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__END_DECLS
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#endif
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#endif
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