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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | * | |
33 | * @(#)af.h 5.7 (Berkeley) 6/1/90 | |
34 | */ | |
35 | ||
36 | /* | |
37 | * Routing table management daemon. | |
38 | */ | |
39 | ||
40 | /* | |
41 | * Per address family routines. | |
42 | */ | |
43 | struct afswitch { | |
44 | int (*af_hash)(); /* returns keys based on address */ | |
45 | int (*af_netmatch)(); /* verifies net # matching */ | |
46 | int (*af_output)(); /* interprets address for sending */ | |
47 | int (*af_portmatch)(); /* packet from some other router? */ | |
48 | int (*af_portcheck)(); /* packet from privileged peer? */ | |
49 | int (*af_checkhost)(); /* tells if address is valid */ | |
50 | int (*af_rtflags)(); /* get flags for route (host or net) */ | |
51 | int (*af_sendroute)(); /* check bounds of subnet broadcast */ | |
52 | int (*af_canon)(); /* canonicalize address for compares */ | |
53 | char *(*af_format)(); /* convert address to string */ | |
54 | }; | |
55 | ||
56 | /* | |
57 | * Structure returned by af_hash routines. | |
58 | */ | |
59 | struct afhash { | |
60 | u_int afh_hosthash; /* host based hash */ | |
61 | u_int afh_nethash; /* network based hash */ | |
62 | }; | |
63 | ||
64 | struct afswitch afswitch[]; /* table proper */ | |
65 | int af_max; /* number of entries in table */ |