xref: /freebsd/sys/netinet/sctp_crc32.h (revision 9c7635e18b98078a74f35d3c14f7bd5418920f55)
1f8829a4aSRandall Stewart /*-
2b1006367SRandall Stewart  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3f8829a4aSRandall Stewart  *
4f8829a4aSRandall Stewart  * Redistribution and use in source and binary forms, with or without
5f8829a4aSRandall Stewart  * modification, are permitted provided that the following conditions are met:
6f8829a4aSRandall Stewart  *
7f8829a4aSRandall Stewart  * a) Redistributions of source code must retain the above copyright notice,
8f8829a4aSRandall Stewart  *   this list of conditions and the following disclaimer.
9f8829a4aSRandall Stewart  *
10f8829a4aSRandall Stewart  * b) Redistributions in binary form must reproduce the above copyright
11f8829a4aSRandall Stewart  *    notice, this list of conditions and the following disclaimer in
12f8829a4aSRandall Stewart  *   the documentation and/or other materials provided with the distribution.
13f8829a4aSRandall Stewart  *
14f8829a4aSRandall Stewart  * c) Neither the name of Cisco Systems, Inc. nor the names of its
15f8829a4aSRandall Stewart  *    contributors may be used to endorse or promote products derived
16f8829a4aSRandall Stewart  *    from this software without specific prior written permission.
17f8829a4aSRandall Stewart  *
18f8829a4aSRandall Stewart  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19f8829a4aSRandall Stewart  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20f8829a4aSRandall Stewart  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21f8829a4aSRandall Stewart  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22f8829a4aSRandall Stewart  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23f8829a4aSRandall Stewart  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24f8829a4aSRandall Stewart  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25f8829a4aSRandall Stewart  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26f8829a4aSRandall Stewart  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27f8829a4aSRandall Stewart  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28f8829a4aSRandall Stewart  * THE POSSIBILITY OF SUCH DAMAGE.
29f8829a4aSRandall Stewart  */
30f8829a4aSRandall Stewart 
31f8829a4aSRandall Stewart /* $KAME: sctp_crc32.h,v 1.5 2004/08/17 04:06:16 itojun Exp $	 */
32f8829a4aSRandall Stewart 
33f8829a4aSRandall Stewart #include <sys/cdefs.h>
34f8829a4aSRandall Stewart __FBSDID("$FreeBSD$");
35f8829a4aSRandall Stewart 
36f8829a4aSRandall Stewart #ifndef __crc32c_h__
37f8829a4aSRandall Stewart #define __crc32c_h__
38f8829a4aSRandall Stewart 
39*9c7635e1SMichael Tuexen #if defined(_KERNEL)
40*9c7635e1SMichael Tuexen #if !defined(SCTP_WITH_NO_CSUM)
41a99b6783SRandall Stewart uint32_t sctp_calculate_cksum(struct mbuf *, uint32_t);
42*9c7635e1SMichael Tuexen 
43*9c7635e1SMichael Tuexen #endif
441966e5b5SRandall Stewart void sctp_delayed_cksum(struct mbuf *, uint32_t offset);
45f8829a4aSRandall Stewart 
46f8829a4aSRandall Stewart #endif				/* _KERNEL */
47f8829a4aSRandall Stewart #endif				/* __crc32c_h__ */
48