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8ae0e4b4 | 1 | /* |
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2 | * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California. |
3 | * All rights reserved. | |
8ae0e4b4 | 4 | * |
240edf1f | 5 | * Redistribution and use in source and binary forms are permitted |
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6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
240edf1f | 16 | * |
f7532098 | 17 | * @(#)ns.h 7.6 (Berkeley) %G% |
8ae0e4b4 | 18 | */ |
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19 | |
20 | /* | |
21 | * Constants and Structures defined by the Xerox Network Software | |
22 | * per "Internet Transport Protocols", XSIS 028112, December 1981 | |
23 | */ | |
24 | ||
25 | /* | |
26 | * Protocols | |
27 | */ | |
28 | #define NSPROTO_RI 1 /* Routing Information */ | |
29 | #define NSPROTO_ECHO 2 /* Echo Protocol */ | |
30 | #define NSPROTO_ERROR 3 /* Error Protocol */ | |
31 | #define NSPROTO_PE 4 /* Packet Exchange */ | |
32 | #define NSPROTO_SPP 5 /* Sequenced Packet */ | |
33 | #define NSPROTO_RAW 255 /* Placemarker*/ | |
34 | #define NSPROTO_MAX 256 /* Placemarker*/ | |
35 | ||
36 | ||
37 | /* | |
38 | * Port/Socket numbers: network standard functions | |
39 | */ | |
40 | ||
41 | #define NSPORT_RI 1 /* Routing Information */ | |
42 | #define NSPORT_ECHO 2 /* Echo */ | |
43 | #define NSPORT_RE 3 /* Router Error */ | |
44 | ||
45 | /* | |
46 | * Ports < NSPORT_RESERVED are reserved for priveleged | |
47 | * processes (e.g. root). | |
48 | */ | |
49 | #define NSPORT_RESERVED 3000 | |
50 | ||
51 | /* flags passed to ns_output as last parameter */ | |
52 | ||
53 | #define NS_FORWARDING 0x1 /* most of idp header exists */ | |
54 | #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ | |
077a00ce | 55 | #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ |
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56 | |
57 | #define NS_MAXHOPS 15 | |
58 | ||
59 | /* flags passed to get/set socket option */ | |
60 | #define SO_HEADERS_ON_INPUT 1 | |
61 | #define SO_HEADERS_ON_OUTPUT 2 | |
62 | #define SO_DEFAULT_HEADERS 3 | |
63 | #define SO_LAST_HEADER 4 | |
64 | #define SO_NSIP_ROUTE 5 | |
7427b6ea | 65 | #define SO_SEQNO 6 |
b7369600 | 66 | #define SO_ALL_PACKETS 7 |
f17a37ec | 67 | #define SO_MTU 8 |
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68 | |
69 | ||
70 | /* | |
71 | * NS addressing | |
72 | */ | |
73 | union ns_host { | |
74 | u_char c_host[6]; | |
75 | u_short s_host[3]; | |
76 | }; | |
77 | ||
78 | union ns_net { | |
79 | u_char c_net[4]; | |
80 | u_short s_net[2]; | |
81 | }; | |
82 | ||
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83 | union ns_net_u { |
84 | union ns_net net_e; | |
85 | u_long long_e; | |
86 | }; | |
87 | ||
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88 | struct ns_addr { |
89 | union ns_net x_net; | |
90 | union ns_host x_host; | |
91 | u_short x_port; | |
92 | }; | |
93 | ||
94 | /* | |
95 | * Socket address, Xerox style | |
96 | */ | |
97 | struct sockaddr_ns { | |
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98 | u_char sns_len; |
99 | u_char sns_family; | |
ebc0bbdd | 100 | struct ns_addr sns_addr; |
0003c8d5 | 101 | char sns_zero[2]; |
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102 | }; |
103 | #define sns_port sns_addr.x_port | |
104 | ||
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105 | #ifdef vax |
106 | #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */ | |
107 | #endif | |
108 | #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \ | |
f6a09cd7 | 109 | ((a).s_net[1]==(b).s_net[1])) |
f1e269d4 | 110 | #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net) |
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111 | #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) |
112 | #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ | |
113 | (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) | |
114 | #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) | |
115 | #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ | |
116 | ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) | |
117 | ||
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118 | #ifdef KERNEL |
119 | extern struct domain nsdomain; | |
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120 | union ns_host ns_thishost; |
121 | union ns_host ns_zerohost; | |
122 | union ns_host ns_broadhost; | |
123 | union ns_net ns_zeronet; | |
124 | union ns_net ns_broadnet; | |
ebc0bbdd | 125 | u_short ns_cksum(); |
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126 | #else |
127 | #ifdef __STDC__ | |
128 | extern struct ns_addr ns_addr(const char *); | |
129 | extern char *ns_ntoa(struct ns_addr); | |
130 | #else | |
131 | extern struct ns_addr ns_addr(); | |
132 | extern char *ns_ntoa(); | |
133 | #endif | |
ebc0bbdd | 134 | #endif |