1 | /*- |
---|
2 | * Copyright (c) 1990 The 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. Neither the name of the University nor the names of its contributors |
---|
14 | * may be used to endorse or promote products derived from this software |
---|
15 | * without specific prior written permission. |
---|
16 | * |
---|
17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
---|
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
---|
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
---|
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
---|
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
---|
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
---|
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
---|
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
---|
27 | * SUCH DAMAGE. |
---|
28 | * |
---|
29 | * from tahoe: in_cksum.c 1.2 86/01/05 |
---|
30 | * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91 |
---|
31 | * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp |
---|
32 | * $FreeBSD$ |
---|
33 | */ |
---|
34 | |
---|
35 | #ifndef _MACHINE_IN_CKSUM_H_ |
---|
36 | #define _MACHINE_IN_CKSUM_H_ 1 |
---|
37 | |
---|
38 | #include <sys/cdefs.h> |
---|
39 | |
---|
40 | #ifdef _KERNEL |
---|
41 | #define in_cksum(m, len) in_cksum_skip(m, len, 0) |
---|
42 | u_short in_addword(u_short sum, u_short b); |
---|
43 | u_short in_cksum_skip(struct mbuf *m, int len, int skip); |
---|
44 | u_int do_cksum(const void *, int); |
---|
45 | #if defined(IPVERSION) && (IPVERSION == 4) |
---|
46 | u_int in_cksum_hdr(const struct ip *); |
---|
47 | #endif |
---|
48 | |
---|
49 | u_short in_pseudo(u_int sum, u_int b, u_int c); |
---|
50 | |
---|
51 | #endif /* _KERNEL */ |
---|
52 | #endif /* _MACHINE_IN_CKSUM_H_ */ |
---|