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1.1 root 1: /*
2: * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution is only permitted until one year after the first shipment
6: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
7: * binary forms are permitted provided that: (1) source distributions retain
8: * this entire copyright notice and comment, and (2) distributions including
9: * binaries display the following acknowledgement: This product includes
10: * software developed by the University of California, Berkeley and its
11: * contributors'' in the documentation or other materials provided with the
12: * distribution and in all advertising materials mentioning features or use
13: * of this software. Neither the name of the University nor the names of
14: * its contributors may be used to endorse or promote products derived from
15: * this software without specific prior written permission.
16: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
17: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
18: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19: *
20: * @(#)ns.h 7.7 (Berkeley) 6/28/90
21: */
22:
23: /*
24: * Constants and Structures defined by the Xerox Network Software
25: * per "Internet Transport Protocols", XSIS 028112, December 1981
26: */
27:
28: /*
29: * Protocols
30: */
31: #define NSPROTO_RI 1 /* Routing Information */
32: #define NSPROTO_ECHO 2 /* Echo Protocol */
33: #define NSPROTO_ERROR 3 /* Error Protocol */
34: #define NSPROTO_PE 4 /* Packet Exchange */
35: #define NSPROTO_SPP 5 /* Sequenced Packet */
36: #define NSPROTO_RAW 255 /* Placemarker*/
37: #define NSPROTO_MAX 256 /* Placemarker*/
38:
39:
40: /*
41: * Port/Socket numbers: network standard functions
42: */
43:
44: #define NSPORT_RI 1 /* Routing Information */
45: #define NSPORT_ECHO 2 /* Echo */
46: #define NSPORT_RE 3 /* Router Error */
47:
48: /*
49: * Ports < NSPORT_RESERVED are reserved for priveleged
50: * processes (e.g. root).
51: */
52: #define NSPORT_RESERVED 3000
53:
54: /* flags passed to ns_output as last parameter */
55:
56: #define NS_FORWARDING 0x1 /* most of idp header exists */
57: #define NS_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
58: #define NS_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
59:
60: #define NS_MAXHOPS 15
61:
62: /* flags passed to get/set socket option */
63: #define SO_HEADERS_ON_INPUT 1
64: #define SO_HEADERS_ON_OUTPUT 2
65: #define SO_DEFAULT_HEADERS 3
66: #define SO_LAST_HEADER 4
67: #define SO_NSIP_ROUTE 5
68: #define SO_SEQNO 6
69: #define SO_ALL_PACKETS 7
70: #define SO_MTU 8
71:
72:
73: /*
74: * NS addressing
75: */
76: union ns_host {
77: u_char c_host[6];
78: u_short s_host[3];
79: };
80:
81: union ns_net {
82: u_char c_net[4];
83: u_short s_net[2];
84: };
85:
86: union ns_net_u {
87: union ns_net net_e;
88: u_long long_e;
89: };
90:
91: struct ns_addr {
92: union ns_net x_net;
93: union ns_host x_host;
94: u_short x_port;
95: };
96:
97: /*
98: * Socket address, Xerox style
99: */
100: struct sockaddr_ns {
101: u_char sns_len;
102: u_char sns_family;
103: struct ns_addr sns_addr;
104: char sns_zero[2];
105: };
106: #define sns_port sns_addr.x_port
107:
108: #ifdef vax
109: #define ns_netof(a) (*(long *) & ((a).x_net)) /* XXX - not needed */
110: #endif
111: #define ns_neteqnn(a,b) (((a).s_net[0]==(b).s_net[0]) && \
112: ((a).s_net[1]==(b).s_net[1]))
113: #define ns_neteq(a,b) ns_neteqnn((a).x_net, (b).x_net)
114: #define satons_addr(sa) (((struct sockaddr_ns *)&(sa))->sns_addr)
115: #define ns_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
116: (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
117: #define ns_hosteq(s,t) (ns_hosteqnh((s).x_host,(t).x_host))
118: #define ns_nullhost(x) (((x).x_host.s_host[0]==0) && \
119: ((x).x_host.s_host[1]==0) && ((x).x_host.s_host[2]==0))
120:
121: #ifdef KERNEL
122: extern struct domain nsdomain;
123: union ns_host ns_thishost;
124: union ns_host ns_zerohost;
125: union ns_host ns_broadhost;
126: union ns_net ns_zeronet;
127: union ns_net ns_broadnet;
128: u_short ns_cksum();
129: #else
130: #ifdef __STDC__
131: extern struct ns_addr ns_addr(const char *);
132: extern char *ns_ntoa(struct ns_addr);
133: #else
134: extern struct ns_addr ns_addr();
135: extern char *ns_ntoa();
136: #endif
137: #endif
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