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8ae0e4b4 KM |
1 | /* |
2 | * Copyright (c) 1982 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | * | |
0003c8d5 | 6 | * @(#)ns.h 6.4 (Berkeley) %G% |
8ae0e4b4 | 7 | */ |
ebc0bbdd KS |
8 | |
9 | /* | |
10 | * Constants and Structures defined by the Xerox Network Software | |
11 | * per "Internet Transport Protocols", XSIS 028112, December 1981 | |
12 | */ | |
13 | ||
14 | /* | |
15 | * Protocols | |
16 | */ | |
17 | #define NSPROTO_RI 1 /* Routing Information */ | |
18 | #define NSPROTO_ECHO 2 /* Echo Protocol */ | |
19 | #define NSPROTO_ERROR 3 /* Error Protocol */ | |
20 | #define NSPROTO_PE 4 /* Packet Exchange */ | |
21 | #define NSPROTO_SPP 5 /* Sequenced Packet */ | |
22 | #define NSPROTO_RAW 255 /* Placemarker*/ | |
23 | #define NSPROTO_MAX 256 /* Placemarker*/ | |
24 | ||
25 | ||
26 | /* | |
27 | * Port/Socket numbers: network standard functions | |
28 | */ | |
29 | ||
30 | #define NSPORT_RI 1 /* Routing Information */ | |
31 | #define NSPORT_ECHO 2 /* Echo */ | |
32 | #define NSPORT_RE 3 /* Router Error */ | |
33 | ||
34 | /* | |
35 | * Ports < NSPORT_RESERVED are reserved for priveleged | |
36 | * processes (e.g. root). | |
37 | */ | |
38 | #define NSPORT_RESERVED 3000 | |
39 | ||
40 | /* flags passed to ns_output as last parameter */ | |
41 | ||
42 | #define NS_FORWARDING 0x1 /* most of idp header exists */ | |
43 | #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ | |
077a00ce | 44 | #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ |
ebc0bbdd KS |
45 | |
46 | #define NS_MAXHOPS 15 | |
47 | ||
48 | /* flags passed to get/set socket option */ | |
49 | #define SO_HEADERS_ON_INPUT 1 | |
50 | #define SO_HEADERS_ON_OUTPUT 2 | |
51 | #define SO_DEFAULT_HEADERS 3 | |
52 | #define SO_LAST_HEADER 4 | |
53 | #define SO_NSIP_ROUTE 5 | |
54 | ||
55 | ||
56 | /* | |
57 | * NS addressing | |
58 | */ | |
59 | union ns_host { | |
60 | u_char c_host[6]; | |
61 | u_short s_host[3]; | |
62 | }; | |
63 | ||
64 | union ns_net { | |
65 | u_char c_net[4]; | |
66 | u_short s_net[2]; | |
67 | }; | |
68 | ||
69 | struct ns_addr { | |
70 | union ns_net x_net; | |
71 | union ns_host x_host; | |
72 | u_short x_port; | |
73 | }; | |
74 | ||
75 | /* | |
76 | * Socket address, Xerox style | |
77 | */ | |
78 | struct sockaddr_ns { | |
0003c8d5 | 79 | u_short sns_family; |
ebc0bbdd | 80 | struct ns_addr sns_addr; |
0003c8d5 | 81 | char sns_zero[2]; |
ebc0bbdd KS |
82 | }; |
83 | #define sns_port sns_addr.x_port | |
84 | ||
85 | #define ns_netof(a) (*(long *) & ((a).x_net)) | |
86 | #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) | |
87 | #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ | |
88 | (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) | |
89 | #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) | |
90 | #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ | |
91 | ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) | |
92 | ||
93 | #if !defined(vax) | |
94 | #if !defined(INET) | |
95 | /* | |
96 | * Macros for number representation conversion. | |
97 | */ | |
98 | #define ntohl(x) (x) | |
99 | #define ntohs(x) (x) | |
100 | #define htonl(x) (x) | |
101 | #define htons(x) (x) | |
102 | #endif | |
103 | #endif | |
104 | ||
105 | #ifdef KERNEL | |
106 | extern struct domain nsdomain; | |
107 | extern union ns_host ns_thishost; | |
108 | extern union ns_host ns_zerohost; | |
109 | extern union ns_host ns_broadhost; | |
110 | u_short ns_cksum(); | |
111 | #endif |