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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright (c) 1984, 1985, 1986, 1987, 1993
27: * The Regents of the University of California. All rights reserved.
28: *
29: * Redistribution and use in source and binary forms, with or without
30: * modification, are permitted provided that the following conditions
31: * are met:
32: * 1. Redistributions of source code must retain the above copyright
33: * notice, this list of conditions and the following disclaimer.
34: * 2. Redistributions in binary form must reproduce the above copyright
35: * notice, this list of conditions and the following disclaimer in the
36: * documentation and/or other materials provided with the distribution.
37: * 3. All advertising materials mentioning features or use of this software
38: * must display the following acknowledgement:
39: * This product includes software developed by the University of
40: * California, Berkeley and its contributors.
41: * 4. Neither the name of the University nor the names of its contributors
42: * may be used to endorse or promote products derived from this software
43: * without specific prior written permission.
44: *
45: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
46: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
49: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55: * SUCH DAMAGE.
56: *
57: * @(#)ns.h 8.1 (Berkeley) 6/10/93
58: */
59:
60: /*
61: * Constants and Structures defined by the Xerox Network Software
62: * per "Internet Transport Protocols", XSIS 028112, December 1981
63: */
64:
65: /*
66: * Protocols
67: */
68: #define NSPROTO_RI 1 /* Routing Information */
69: #define NSPROTO_ECHO 2 /* Echo Protocol */
70: #define NSPROTO_ERROR 3 /* Error Protocol */
71: #define NSPROTO_PE 4 /* Packet Exchange */
72: #define NSPROTO_SPP 5 /* Sequenced Packet */
73: #define NSPROTO_RAW 255 /* Placemarker*/
74: #define NSPROTO_MAX 256 /* Placemarker*/
75:
76:
77: /*
78: * Port/Socket numbers: network standard functions
79: */
80:
81: #define NSPORT_RI 1 /* Routing Information */
82: #define NSPORT_ECHO 2 /* Echo */
83: #define NSPORT_RE 3 /* Router Error */
84:
85: /*
86: * Ports < NSPORT_RESERVED are reserved for priveleged
87: * processes (e.g. root).
88: */
89: #define NSPORT_RESERVED 3000
90:
91: /* flags passed to ns_output as last parameter */
92:
93: #define NS_FORWARDING 0x1 /* most of idp header exists */
94: #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
95: #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
96:
97: #define NS_MAXHOPS 15
98:
99: /* flags passed to get/set socket option */
100: #define SO_HEADERS_ON_INPUT 1
101: #define SO_HEADERS_ON_OUTPUT 2
102: #define SO_DEFAULT_HEADERS 3
103: #define SO_LAST_HEADER 4
104: #define SO_NSIP_ROUTE 5
105: #define SO_SEQNO 6
106: #define SO_ALL_PACKETS 7
107: #define SO_MTU 8
108:
109:
110: /*
111: * NS addressing
112: */
113: union ns_host {
114: u_char c_host[6];
115: u_short s_host[3];
116: };
117:
118: union ns_net {
119: u_char c_net[4];
120: u_short s_net[2];
121: };
122:
123: union ns_net_u {
124: union ns_net net_e;
125: u_long long_e;
126: };
127:
128: struct ns_addr {
129: union ns_net x_net;
130: union ns_host x_host;
131: u_short x_port;
132: };
133:
134: /*
135: * Socket address, Xerox style
136: */
137: struct sockaddr_ns {
138: u_char sns_len;
139: u_char sns_family;
140: struct ns_addr sns_addr;
141: char sns_zero[2];
142: };
143: #define sns_port sns_addr.x_port
144:
145: #ifdef vax
146: #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */
147: #endif
148: #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
149: ((a).s_net[1]==(b).s_net[1]))
150: #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
151: #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr)
152: #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
153: (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
154: #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
155: #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
156: ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))
157:
158: #ifdef KERNEL
159: extern struct domain nsdomain;
160: union ns_host ns_thishost;
161: union ns_host ns_zerohost;
162: union ns_host ns_broadhost;
163: union ns_net ns_zeronet;
164: union ns_net ns_broadnet;
165: u_short ns_cksum();
166: #else
167:
168: #include <sys/cdefs.h>
169:
170: __BEGIN_DECLS
171: extern struct ns_addr ns_addr __P((const char *));
172: extern char *ns_ntoa __P((struct ns_addr));
173: __END_DECLS
174:
175: #endif
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