Commit | Line | Data |
---|---|---|
8ae0e4b4 | 1 | /* |
240edf1f KS |
2 | * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California. |
3 | * All rights reserved. | |
8ae0e4b4 | 4 | * |
dbf0c423 | 5 | * %sccs.include.redist.c% |
240edf1f | 6 | * |
dbf0c423 | 7 | * @(#)ns.h 7.7 (Berkeley) %G% |
8ae0e4b4 | 8 | */ |
ebc0bbdd KS |
9 | |
10 | /* | |
11 | * Constants and Structures defined by the Xerox Network Software | |
12 | * per "Internet Transport Protocols", XSIS 028112, December 1981 | |
13 | */ | |
14 | ||
15 | /* | |
16 | * Protocols | |
17 | */ | |
18 | #define NSPROTO_RI 1 /* Routing Information */ | |
19 | #define NSPROTO_ECHO 2 /* Echo Protocol */ | |
20 | #define NSPROTO_ERROR 3 /* Error Protocol */ | |
21 | #define NSPROTO_PE 4 /* Packet Exchange */ | |
22 | #define NSPROTO_SPP 5 /* Sequenced Packet */ | |
23 | #define NSPROTO_RAW 255 /* Placemarker*/ | |
24 | #define NSPROTO_MAX 256 /* Placemarker*/ | |
25 | ||
26 | ||
27 | /* | |
28 | * Port/Socket numbers: network standard functions | |
29 | */ | |
30 | ||
31 | #define NSPORT_RI 1 /* Routing Information */ | |
32 | #define NSPORT_ECHO 2 /* Echo */ | |
33 | #define NSPORT_RE 3 /* Router Error */ | |
34 | ||
35 | /* | |
36 | * Ports < NSPORT_RESERVED are reserved for priveleged | |
37 | * processes (e.g. root). | |
38 | */ | |
39 | #define NSPORT_RESERVED 3000 | |
40 | ||
41 | /* flags passed to ns_output as last parameter */ | |
42 | ||
43 | #define NS_FORWARDING 0x1 /* most of idp header exists */ | |
44 | #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */ | |
077a00ce | 45 | #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */ |
ebc0bbdd KS |
46 | |
47 | #define NS_MAXHOPS 15 | |
48 | ||
49 | /* flags passed to get/set socket option */ | |
50 | #define SO_HEADERS_ON_INPUT 1 | |
51 | #define SO_HEADERS_ON_OUTPUT 2 | |
52 | #define SO_DEFAULT_HEADERS 3 | |
53 | #define SO_LAST_HEADER 4 | |
54 | #define SO_NSIP_ROUTE 5 | |
7427b6ea | 55 | #define SO_SEQNO 6 |
b7369600 | 56 | #define SO_ALL_PACKETS 7 |
f17a37ec | 57 | #define SO_MTU 8 |
ebc0bbdd KS |
58 | |
59 | ||
60 | /* | |
61 | * NS addressing | |
62 | */ | |
63 | union ns_host { | |
64 | u_char c_host[6]; | |
65 | u_short s_host[3]; | |
66 | }; | |
67 | ||
68 | union ns_net { | |
69 | u_char c_net[4]; | |
70 | u_short s_net[2]; | |
71 | }; | |
72 | ||
0d615f84 KS |
73 | union ns_net_u { |
74 | union ns_net net_e; | |
75 | u_long long_e; | |
76 | }; | |
77 | ||
ebc0bbdd KS |
78 | struct ns_addr { |
79 | union ns_net x_net; | |
80 | union ns_host x_host; | |
81 | u_short x_port; | |
82 | }; | |
83 | ||
84 | /* | |
85 | * Socket address, Xerox style | |
86 | */ | |
87 | struct sockaddr_ns { | |
4dcdd98e KS |
88 | u_char sns_len; |
89 | u_char sns_family; | |
ebc0bbdd | 90 | struct ns_addr sns_addr; |
0003c8d5 | 91 | char sns_zero[2]; |
ebc0bbdd KS |
92 | }; |
93 | #define sns_port sns_addr.x_port | |
94 | ||
f1e269d4 KS |
95 | #ifdef vax |
96 | #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */ | |
97 | #endif | |
98 | #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \ | |
f6a09cd7 | 99 | ((a).s_net[1]==(b).s_net[1])) |
f1e269d4 | 100 | #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net) |
ebc0bbdd KS |
101 | #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr) |
102 | #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \ | |
103 | (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2]) | |
104 | #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host)) | |
105 | #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \ | |
106 | ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0)) | |
107 | ||
ebc0bbdd KS |
108 | #ifdef KERNEL |
109 | extern struct domain nsdomain; | |
58bca61d MK |
110 | union ns_host ns_thishost; |
111 | union ns_host ns_zerohost; | |
112 | union ns_host ns_broadhost; | |
113 | union ns_net ns_zeronet; | |
114 | union ns_net ns_broadnet; | |
ebc0bbdd | 115 | u_short ns_cksum(); |
f7532098 KB |
116 | #else |
117 | #ifdef __STDC__ | |
118 | extern struct ns_addr ns_addr(const char *); | |
119 | extern char *ns_ntoa(struct ns_addr); | |
120 | #else | |
121 | extern struct ns_addr ns_addr(); | |
122 | extern char *ns_ntoa(); | |
123 | #endif | |
ebc0bbdd | 124 | #endif |