FreeBSD/Linux Kernel Cross Reference
sys/netipx/ipx.h
1 /*-
2 * Copyright (c) 1995, Mike Mitchell
3 * Copyright (c) 1984, 1985, 1986, 1987, 1993
4 * The Regents of the University of California. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)ipx.h
35 *
36 * $FreeBSD$
37 */
38
39 #ifndef _NETIPX_IPX_H_
40 #define _NETIPX_IPX_H_
41
42 /*
43 * Constants and Structures
44 */
45
46 /*
47 * Protocols
48 */
49 #define IPXPROTO_UNKWN 0 /* Unknown */
50 #define IPXPROTO_RI 1 /* RIP Routing Information */
51 #define IPXPROTO_PXP 4 /* IPX Packet Exchange Protocol */
52 #define IPXPROTO_SPX 5 /* SPX Sequenced Packet */
53 #define IPXPROTO_NCP 17 /* NCP NetWare Core */
54 #define IPXPROTO_NETBIOS 20 /* Propagated Packet */
55 #define IPXPROTO_RAW 255 /* Placemarker*/
56 #define IPXPROTO_MAX 256 /* Placemarker*/
57
58 /*
59 * Port/Socket numbers: network standard functions
60 */
61
62 #define IPXPORT_RI 1 /* NS RIP Routing Information */
63 #define IPXPORT_ECHO 2 /* NS Echo */
64 #define IPXPORT_RE 3 /* NS Router Error */
65 #define IPXPORT_NCP 0x0451 /* NW NCP Core Protocol */
66 #define IPXPORT_SAP 0x0452 /* NW SAP Service Advertising */
67 #define IPXPORT_RIP 0x0453 /* NW RIP Routing Information */
68 #define IPXPORT_NETBIOS 0x0455 /* NW NetBIOS */
69 #define IPXPORT_DIAGS 0x0456 /* NW Diagnostics */
70 /*
71 * Ports < IPXPORT_RESERVED are reserved for privileged
72 */
73 #define IPXPORT_RESERVED 0x4000
74 /*
75 * Ports > IPXPORT_WELLKNOWN are reserved for privileged
76 * processes (e.g. root).
77 */
78 #define IPXPORT_WELLKNOWN 0x6000
79
80 /* flags passed to ipx_outputfl as last parameter */
81
82 #define IPX_FORWARDING 0x1 /* most of ipx header exists */
83 #define IPX_ROUTETOIF 0x10 /* same as SO_DONTROUTE */
84 #define IPX_ALLOWBROADCAST SO_BROADCAST /* can send broadcast packets */
85
86 #define IPX_MAXHOPS 15
87
88 /* flags passed to get/set socket option */
89 #define SO_HEADERS_ON_INPUT 1
90 #define SO_HEADERS_ON_OUTPUT 2
91 #define SO_DEFAULT_HEADERS 3
92 #define SO_LAST_HEADER 4
93 #define SO_IPXIP_ROUTE 5
94 #define SO_SEQNO 6
95 #define SO_ALL_PACKETS 7
96 #define SO_MTU 8
97 #define SO_IPXTUN_ROUTE 9
98 #define SO_IPX_CHECKSUM 10
99
100 /*
101 * IPX addressing
102 */
103 union ipx_host {
104 u_char c_host[6];
105 u_short s_host[3];
106 };
107
108 union ipx_net {
109 u_char c_net[4];
110 u_short s_net[2];
111 };
112
113 union ipx_net_u {
114 union ipx_net net_e;
115 u_long long_e;
116 };
117
118 struct ipx_addr {
119 union ipx_net x_net;
120 union ipx_host x_host;
121 u_short x_port;
122 };
123
124 /*
125 * Socket address
126 */
127 struct sockaddr_ipx {
128 u_char sipx_len;
129 u_char sipx_family;
130 struct ipx_addr sipx_addr;
131 char sipx_zero[2];
132 };
133 #define sipx_port sipx_addr.x_port
134
135 /*
136 * Definitions for IPX Internetwork Packet Exchange Protocol
137 */
138 struct ipx {
139 u_short ipx_sum; /* Checksum */
140 u_short ipx_len; /* Length, in bytes, including header */
141 u_char ipx_tc; /* Transport Control (i.e. hop count) */
142 u_char ipx_pt; /* Packet Type (i.e. level 2 protocol) */
143 struct ipx_addr ipx_dna; /* Destination Network Address */
144 struct ipx_addr ipx_sna; /* Source Network Address */
145 } __packed;
146
147 #define ipx_neteqnn(a,b) \
148 (((a).s_net[0] == (b).s_net[0]) && ((a).s_net[1] == (b).s_net[1]))
149 #define ipx_neteq(a,b) ipx_neteqnn((a).x_net, (b).x_net)
150 #define satoipx_addr(sa) (((struct sockaddr_ipx *)&(sa))->sipx_addr)
151 #define ipx_hosteqnh(s,t) ((s).s_host[0] == (t).s_host[0] && \
152 (s).s_host[1] == (t).s_host[1] && (s).s_host[2] == (t).s_host[2])
153 #define ipx_hosteq(s,t) (ipx_hosteqnh((s).x_host,(t).x_host))
154 #define ipx_nullnet(x) (((x).x_net.s_net[0]==0) && ((x).x_net.s_net[1]==0))
155 #define ipx_nullhost(x) (((x).x_host.s_host[0] == 0) && \
156 ((x).x_host.s_host[1] == 0) && ((x).x_host.s_host[2] == 0))
157 #define ipx_wildnet(x) (((x).x_net.s_net[0] == 0xffff) && \
158 ((x).x_net.s_net[1] == 0xffff))
159 #define ipx_wildhost(x) (((x).x_host.s_host[0] == 0xffff) && \
160 ((x).x_host.s_host[1] == 0xffff) && ((x).x_host.s_host[2] == 0xffff))
161
162 #include <sys/cdefs.h>
163
164 __BEGIN_DECLS
165 struct ipx_addr ipx_addr(const char *);
166 char *ipx_ntoa(struct ipx_addr);
167 __END_DECLS
168
169 #endif /* !_NETIPX_IPX_H_ */
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