1e5acd89cSAndrew Turner /*- 2e5acd89cSAndrew Turner * Copyright (c) 1990 The Regents of the University of California. 3e5acd89cSAndrew Turner * All rights reserved. 4e5acd89cSAndrew Turner * 5e5acd89cSAndrew Turner * Redistribution and use in source and binary forms, with or without 6e5acd89cSAndrew Turner * modification, are permitted provided that the following conditions 7e5acd89cSAndrew Turner * are met: 8e5acd89cSAndrew Turner * 1. Redistributions of source code must retain the above copyright 9e5acd89cSAndrew Turner * notice, this list of conditions and the following disclaimer. 10e5acd89cSAndrew Turner * 2. Redistributions in binary form must reproduce the above copyright 11e5acd89cSAndrew Turner * notice, this list of conditions and the following disclaimer in the 12e5acd89cSAndrew Turner * documentation and/or other materials provided with the distribution. 13*fc8c8560SEd Maste * 3. Neither the name of the University nor the names of its contributors 14e5acd89cSAndrew Turner * may be used to endorse or promote products derived from this software 15e5acd89cSAndrew Turner * without specific prior written permission. 16e5acd89cSAndrew Turner * 17e5acd89cSAndrew Turner * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18e5acd89cSAndrew Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19e5acd89cSAndrew Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20e5acd89cSAndrew Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21e5acd89cSAndrew Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22e5acd89cSAndrew Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23e5acd89cSAndrew Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24e5acd89cSAndrew Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25e5acd89cSAndrew Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26e5acd89cSAndrew Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27e5acd89cSAndrew Turner * SUCH DAMAGE. 28e5acd89cSAndrew Turner * 29e5acd89cSAndrew Turner * from tahoe: in_cksum.c 1.2 86/01/05 30e5acd89cSAndrew Turner * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp 31e5acd89cSAndrew Turner */ 32e5acd89cSAndrew Turner 33e5acd89cSAndrew Turner #ifndef _MACHINE_IN_CKSUM_H_ 34e5acd89cSAndrew Turner #define _MACHINE_IN_CKSUM_H_ 1 35e5acd89cSAndrew Turner 36e5acd89cSAndrew Turner #ifdef _KERNEL 37e5acd89cSAndrew Turner #define in_cksum(m, len) in_cksum_skip(m, len, 0) 38e5acd89cSAndrew Turner u_short in_addword(u_short sum, u_short b); 39e5acd89cSAndrew Turner u_short in_cksum_skip(struct mbuf *m, int len, int skip); 40e5acd89cSAndrew Turner u_int do_cksum(const void *, int); 41e5acd89cSAndrew Turner #if defined(IPVERSION) && (IPVERSION == 4) 42e5acd89cSAndrew Turner u_int in_cksum_hdr(const struct ip *); 43e5acd89cSAndrew Turner #endif 44e5acd89cSAndrew Turner 45e5acd89cSAndrew Turner u_short in_pseudo(u_int sum, u_int b, u_int c); 46e5acd89cSAndrew Turner 47e5acd89cSAndrew Turner #endif /* _KERNEL */ 48e5acd89cSAndrew Turner #endif /* _MACHINE_IN_CKSUM_H_ */ 49