1292407Sbr/*- 2292407Sbr * Copyright (c) 1990 The Regents of the University of California. 3292407Sbr * All rights reserved. 4292407Sbr * 5292407Sbr * Redistribution and use in source and binary forms, with or without 6292407Sbr * modification, are permitted provided that the following conditions 7292407Sbr * are met: 8292407Sbr * 1. Redistributions of source code must retain the above copyright 9292407Sbr * notice, this list of conditions and the following disclaimer. 10292407Sbr * 2. Redistributions in binary form must reproduce the above copyright 11292407Sbr * notice, this list of conditions and the following disclaimer in the 12292407Sbr * documentation and/or other materials provided with the distribution. 13292407Sbr * 3. Neither the name of the University nor the names of its contributors 14292407Sbr * may be used to endorse or promote products derived from this software 15292407Sbr * without specific prior written permission. 16292407Sbr * 17292407Sbr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18292407Sbr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19292407Sbr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20292407Sbr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21292407Sbr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22292407Sbr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23292407Sbr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24292407Sbr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25292407Sbr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26292407Sbr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27292407Sbr * SUCH DAMAGE. 28292407Sbr * 29292407Sbr * from tahoe: in_cksum.c 1.2 86/01/05 30292407Sbr * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91 31292407Sbr * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp 32292407Sbr * $FreeBSD$ 33292407Sbr */ 34292407Sbr 35292407Sbr#ifndef _MACHINE_IN_CKSUM_H_ 36292407Sbr#define _MACHINE_IN_CKSUM_H_ 1 37292407Sbr 38292407Sbr#include <sys/cdefs.h> 39292407Sbr 40292407Sbr#ifdef _KERNEL 41292407Sbr#define in_cksum(m, len) in_cksum_skip(m, len, 0) 42292407Sbru_short in_addword(u_short sum, u_short b); 43292407Sbru_short in_cksum_skip(struct mbuf *m, int len, int skip); 44292407Sbru_int do_cksum(const void *, int); 45292407Sbr#if defined(IPVERSION) && (IPVERSION == 4) 46292407Sbru_int in_cksum_hdr(const struct ip *); 47292407Sbr#endif 48292407Sbr 49292407Sbru_short in_pseudo(u_int sum, u_int b, u_int c); 50292407Sbr 51292407Sbr#endif /* _KERNEL */ 52292407Sbr#endif /* _MACHINE_IN_CKSUM_H_ */ 53