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1ff4d8b6 | 1 | /*- |
ad787160 C |
2 | * Copyright (c) 1992, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
1ff4d8b6 | 4 | * |
c0567266 KB |
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. | |
ad787160 C |
32 | * |
33 | * @(#)tuba_table.h 8.1 (Berkeley) 6/10/93 | |
1ff4d8b6 KS |
34 | */ |
35 | ||
36 | struct tuba_cache { | |
37 | struct radix_node tc_nodes[2]; /* convenient lookup */ | |
38 | int tc_refcnt; | |
39 | int tc_time; /* last looked up */ | |
40 | int tc_flags; | |
41 | #define TCF_PERM 1 | |
42 | int tc_index; | |
8c53a772 KS |
43 | u_short tc_sum; /* cksum of nsap inc. length */ |
44 | u_short tc_ssum; /* swab(tc_sum) */ | |
ff38aee7 | 45 | struct sockaddr_iso tc_siso; /* for responding */ |
1ff4d8b6 KS |
46 | }; |
47 | ||
77db2796 KS |
48 | #define ADDCARRY(x) (x >= 65535 ? x -= 65535 : x) |
49 | #define REDUCE(a, b) { union { u_short s[2]; long l;} l_util; long x; \ | |
8c53a772 KS |
50 | l_util.l = (b); x = l_util.s[0] + l_util.s[1]; ADDCARRY(x); \ |
51 | if (x == 0) x = 0xffff; a = x;} | |
7cfe65b5 KS |
52 | #define SWAB(a, b) { union { u_char c[2]; u_short s;} s; u_char t; \ |
53 | s.s = (b); t = s.c[0]; s.c[0] = s.c[1]; s.c[1] = t; a = s.s;} | |
1ff4d8b6 KS |
54 | |
55 | #ifdef KERNEL | |
7cfe65b5 KS |
56 | extern int tuba_table_size; |
57 | extern struct tuba_cache **tuba_table; | |
58 | extern struct radix_node_head *tuba_tree; | |
1ff4d8b6 | 59 | #endif |