| 1 | /*
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| 2 | * Copyright (c) 1984, 1985, 1986, 1987, 1993
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | * 3. All advertising materials mentioning features or use of this software
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| 14 | * must display the following acknowledgement:
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| 15 | * This product includes software developed by the University of
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| 16 | * California, Berkeley and its contributors.
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| 17 | * 4. Neither the name of the University nor the names of its contributors
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| 18 | * may be used to endorse or promote products derived from this software
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| 19 | * without specific prior written permission.
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| 20 | *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 31 | * SUCH DAMAGE.
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| 32 | *
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| 33 | * @(#)ns.h 8.1 (Berkeley) 6/10/93
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| 34 | * $Id: ns.h,v 1.1.1.1 2003/11/19 01:48:56 kyu3 Exp $
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| 35 | */
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| 36 |
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| 37 | #ifndef _NETNS_NS_H_
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| 38 | #define _NETNS_NS_H_
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| 39 |
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| 40 | /*
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| 41 | * Constants and Structures defined by the Xerox Network Software
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| 42 | * per "Internet Transport Protocols", XSIS 028112, December 1981
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| 43 | */
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| 44 |
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| 45 | /*
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| 46 | * Protocols
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| 47 | */
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| 48 | #define NSPROTO_RI 1 /* Routing Information */
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| 49 | #define NSPROTO_ECHO 2 /* Echo Protocol */
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| 50 | #define NSPROTO_ERROR 3 /* Error Protocol */
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| 51 | #define NSPROTO_PE 4 /* Packet Exchange */
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| 52 | #define NSPROTO_SPP 5 /* Sequenced Packet */
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| 53 | #define NSPROTO_RAW 255 /* Placemarker*/
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| 54 | #define NSPROTO_MAX 256 /* Placemarker*/
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| 55 |
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| 56 |
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| 57 | /*
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| 58 | * Port/Socket numbers: network standard functions
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| 59 | */
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| 60 |
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| 61 | #define NSPORT_RI 1 /* Routing Information */
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| 62 | #define NSPORT_ECHO 2 /* Echo */
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| 63 | #define NSPORT_RE 3 /* Router Error */
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| 64 |
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| 65 | /*
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| 66 | * Ports < NSPORT_RESERVED are reserved for priveleged
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| 67 | * processes (e.g. root).
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| 68 | */
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| 69 | #define NSPORT_RESERVED 3000
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| 70 |
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| 71 | /* flags passed to ns_output as last parameter */
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| 72 |
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| 73 | #define NS_FORWARDING 0x1 /* most of idp header exists */
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| 74 | #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
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| 75 | #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
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| 76 |
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| 77 | #define NS_MAXHOPS 15
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| 78 |
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| 79 | /* flags passed to get/set socket option */
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| 80 | #define SO_HEADERS_ON_INPUT 1
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| 81 | #define SO_HEADERS_ON_OUTPUT 2
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| 82 | #define SO_DEFAULT_HEADERS 3
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| 83 | #define SO_LAST_HEADER 4
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| 84 | #define SO_NSIP_ROUTE 5
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| 85 | #define SO_SEQNO 6
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| 86 | #define SO_ALL_PACKETS 7
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| 87 | #define SO_MTU 8
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| 88 |
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| 89 |
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| 90 | /*
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| 91 | * NS addressing
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| 92 | */
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| 93 | union ns_host {
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| 94 | u_char c_host[6];
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| 95 | u_short s_host[3];
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| 96 | };
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| 97 |
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| 98 | union ns_net {
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| 99 | u_char c_net[4];
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| 100 | u_short s_net[2];
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| 101 | };
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| 102 |
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| 103 | union ns_net_u {
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| 104 | union ns_net net_e;
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| 105 | u_long long_e;
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| 106 | };
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| 107 |
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| 108 | struct ns_addr {
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| 109 | union ns_net x_net;
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| 110 | union ns_host x_host;
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| 111 | u_short x_port;
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| 112 | };
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| 113 |
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| 114 | /*
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| 115 | * Socket address, Xerox style
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| 116 | */
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| 117 | struct sockaddr_ns {
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| 118 | u_char sns_len;
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| 119 | u_char sns_family;
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| 120 | struct ns_addr sns_addr;
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| 121 | char sns_zero[2];
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| 122 | };
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| 123 | #define sns_port sns_addr.x_port
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| 124 |
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| 125 | #ifdef vax
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| 126 | #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */
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| 127 | #endif
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| 128 | #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
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| 129 | ((a).s_net[1]==(b).s_net[1]))
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| 130 | #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
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| 131 | #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr)
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| 132 | #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
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| 133 | (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
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| 134 | #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
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| 135 | #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
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| 136 | ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))
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| 137 |
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| 138 | #ifdef KERNEL
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| 139 | extern struct domain nsdomain;
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| 140 | union ns_host ns_thishost;
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| 141 | union ns_host ns_zerohost;
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| 142 | union ns_host ns_broadhost;
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| 143 | union ns_net ns_zeronet;
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| 144 | union ns_net ns_broadnet;
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| 145 | u_short ns_cksum();
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| 146 | #else
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| 147 |
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| 148 | #include <sys/cdefs.h>
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| 149 |
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| 150 | __BEGIN_DECLS
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| 151 | extern struct ns_addr ns_addr (const char *);
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| 152 | extern char *ns_ntoa (struct ns_addr);
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| 153 | __END_DECLS
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| 154 |
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| 155 | #endif
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| 156 |
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| 157 | #endif
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