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0ba8a294 RG |
1 | /* |
2 | * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California. | |
3 | * 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 7.8 (Berkeley) 2/22/91 | |
34 | */ | |
35 | ||
36 | /* | |
37 | * Constants and Structures defined by the Xerox Network Software | |
38 | * per "Internet Transport Protocols", XSIS 028112, December 1981 | |
39 | */ | |
40 | ||
41 | /* | |
42 | * Protocols | |
43 | */ | |
44 | #define NSPROTO_RI 1 /* Routing Information */ | |
45 | #define NSPROTO_ECHO 2 /* Echo Protocol */ | |
46 | #define NSPROTO_ERROR 3 /* Error Protocol */ | |
47 | #define NSPROTO_PE 4 /* Packet Exchange */ | |
48 | #define NSPROTO_SPP 5 /* Sequenced Packet */ | |
49 | #define NSPROTO_RAW 255 /* Placemarker*/ | |
50 | #define NSPROTO_MAX 256 /* Placemarker*/ | |
51 | ||
52 | ||
53 | /* | |
54 | * Port/Socket numbers: network standard functions | |
55 | */ | |
56 | ||
57 | #define NSPORT_RI 1 /* Routing Information */ | |
58 | #define NSPORT_ECHO 2 /* Echo */ | |
59 | #define NSPORT_RE 3 /* Router Error */ | |
60 | ||
61 | /* | |
62 | * Ports < NSPORT_RESERVED are reserved for priveleged | |
63 | * processes (e.g. root). | |
64 | */ | |
65 | #define NSPORT_RESERVED 3000 | |
66 | ||
67 | /* flags passed to ns_output as last parameter */ | |
68 | ||
69 | #define NS_FORWARDING 0x1 /* most of idp header exists */ | |
70 | #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ | |
71 | #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ | |
72 | ||
73 | #define NS_MAXHOPS 15 | |
74 | ||
75 | /* flags passed to get/set socket option */ | |
76 | #define SO_HEADERS_ON_INPUT 1 | |
77 | #define SO_HEADERS_ON_OUTPUT 2 | |
78 | #define SO_DEFAULT_HEADERS 3 | |
79 | #define SO_LAST_HEADER 4 | |
80 | #define SO_NSIP_ROUTE 5 | |
81 | #define SO_SEQNO 6 | |
82 | #define SO_ALL_PACKETS 7 | |
83 | #define SO_MTU 8 | |
84 | ||
85 | ||
86 | /* | |
87 | * NS addressing | |
88 | */ | |
89 | union ns_host { | |
90 | u_char c_host[6]; | |
91 | u_short s_host[3]; | |
92 | }; | |
93 | ||
94 | union ns_net { | |
95 | u_char c_net[4]; | |
96 | u_short s_net[2]; | |
97 | }; | |
98 | ||
99 | union ns_net_u { | |
100 | union ns_net net_e; | |
101 | u_long long_e; | |
102 | }; | |
103 | ||
104 | struct ns_addr { | |
105 | union ns_net x_net; | |
106 | union ns_host x_host; | |
107 | u_short x_port; | |
108 | }; | |
109 | ||
110 | /* | |
111 | * Socket address, Xerox style | |
112 | */ | |
113 | struct sockaddr_ns { | |
114 | u_char sns_len; | |
115 | u_char sns_family; | |
116 | struct ns_addr sns_addr; | |
117 | char sns_zero[2]; | |
118 | }; | |
119 | #define sns_port sns_addr.x_port | |
120 | ||
121 | #ifdef vax | |
122 | #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */ | |
123 | #endif | |
124 | #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \ | |
125 | ((a).s_net[1]==(b).s_net[1])) | |
126 | #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net) | |
127 | #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) | |
128 | #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ | |
129 | (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) | |
130 | #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) | |
131 | #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ | |
132 | ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) | |
133 | ||
134 | #ifdef KERNEL | |
135 | extern struct domain nsdomain; | |
136 | union ns_host ns_thishost; | |
137 | union ns_host ns_zerohost; | |
138 | union ns_host ns_broadhost; | |
139 | union ns_net ns_zeronet; | |
140 | union ns_net ns_broadnet; | |
141 | u_short ns_cksum(); | |
142 | #else | |
143 | ||
144 | #include <sys/cdefs.h> | |
145 | ||
146 | __BEGIN_DECLS | |
147 | extern struct ns_addr ns_addr __P((const char *)); | |
148 | extern char *ns_ntoa __P((struct ns_addr)); | |
149 | __END_DECLS | |
150 | ||
151 | #endif |