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Diffstat (limited to 'sys/amd64/include/in_cksum.h')
| -rw-r--r-- | sys/amd64/include/in_cksum.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sys/amd64/include/in_cksum.h b/sys/amd64/include/in_cksum.h new file mode 100644 index 000000000000..7b649011f7d9 --- /dev/null +++ b/sys/amd64/include/in_cksum.h @@ -0,0 +1,49 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from tahoe: in_cksum.c 1.2 86/01/05 + * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp + */ + +#ifndef _MACHINE_IN_CKSUM_H_ +#define _MACHINE_IN_CKSUM_H_ 1 + +#define in_cksum(m, len) in_cksum_skip(m, len, 0) + +#ifdef _KERNEL +#if defined(IPVERSION) && (IPVERSION == 4) +u_int in_cksum_hdr(const struct ip *ip); +#endif +u_short in_addword(u_short sum, u_short b); +u_short in_pseudo(u_int sum, u_int b, u_int c); +u_short in_cksum_skip(struct mbuf *m, int len, int skip); +#endif + +#endif /* _MACHINE_IN_CKSUM_H_ */ |