1 /* 2 * Copyright (c) 1984, 1985, 1986, 1987, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)ns.h 8.1 (Berkeley) 6/10/93 34 * $FreeBSD: src/sys/netns/ns.h,v 1.15 2002/03/20 02:39:27 alfred Exp $ 35 */ 36 37 #ifndef _NETNS_NS_H_ 38 #define _NETNS_NS_H_ 39 40 /* 41 * Constants and Structures defined by the Xerox Network Software 42 * per "Internet Transport Protocols", XSIS 028112, December 1981 43 */ 44 45 /* 46 * Protocols 47 */ 48 #define NSPROTO_RI 1 /* Routing Information */ 49 #define NSPROTO_ECHO 2 /* Echo Protocol */ 50 #define NSPROTO_ERROR 3 /* Error Protocol */ 51 #define NSPROTO_PE 4 /* Packet Exchange */ 52 #define NSPROTO_SPP 5 /* Sequenced Packet */ 53 #define NSPROTO_RAW 255 /* Placemarker*/ 54 #define NSPROTO_MAX 256 /* Placemarker*/ 55 56 57 /* 58 * Port/Socket numbers: network standard functions 59 */ 60 61 #define NSPORT_RI 1 /* Routing Information */ 62 #define NSPORT_ECHO 2 /* Echo */ 63 #define NSPORT_RE 3 /* Router Error */ 64 65 /* 66 * Ports < NSPORT_RESERVED are reserved for priveleged 67 * processes (e.g. root). 68 */ 69 #define NSPORT_RESERVED 3000 70 71 /* flags passed to ns_output as last parameter */ 72 73 #define NS_FORWARDING 0x1 /* most of idp header exists */ 74 #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ 75 #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ 76 77 #define NS_MAXHOPS 15 78 79 /* flags passed to get/set socket option */ 80 #define SO_HEADERS_ON_INPUT 1 81 #define SO_HEADERS_ON_OUTPUT 2 82 #define SO_DEFAULT_HEADERS 3 83 #define SO_LAST_HEADER 4 84 #define SO_NSIP_ROUTE 5 85 #define SO_SEQNO 6 86 #define SO_ALL_PACKETS 7 87 #define SO_MTU 8 88 89 90 /* 91 * NS addressing 92 */ 93 union ns_host { 94 u_char c_host[6]; 95 u_short s_host[3]; 96 }; 97 98 union ns_net { 99 u_char c_net[4]; 100 u_short s_net[2]; 101 }; 102 103 union ns_net_u { 104 union ns_net net_e; 105 u_long long_e; 106 }; 107 108 struct ns_addr { 109 union ns_net x_net; 110 union ns_host x_host; 111 u_short x_port; 112 }; 113 114 /* 115 * Socket address, Xerox style 116 */ 117 struct sockaddr_ns { 118 u_char sns_len; 119 u_char sns_family; 120 struct ns_addr sns_addr; 121 char sns_zero[2]; 122 }; 123 #define sns_port sns_addr.x_port 124 125 #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \ 126 ((a).s_net[1]==(b).s_net[1])) 127 #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net) 128 #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) 129 #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ 130 (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) 131 #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) 132 #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ 133 ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) 134 135 #ifdef _KERNEL 136 extern struct domain nsdomain; 137 union ns_host ns_thishost; 138 union ns_host ns_zerohost; 139 union ns_host ns_broadhost; 140 union ns_net ns_zeronet; 141 union ns_net ns_broadnet; 142 u_short ns_cksum(); 143 #else 144 145 #include <sys/cdefs.h> 146 147 __BEGIN_DECLS 148 extern struct ns_addr ns_addr(const char *); 149 extern char *ns_ntoa(struct ns_addr); 150 __END_DECLS 151 152 #endif 153 154 #endif 155