xref: /freebsd/sys/netinet/udplite.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1e06e816fSKevin Lo /*-
2e06e816fSKevin Lo  * Copyright (c) 2014, Kevin Lo
3e06e816fSKevin Lo  * All rights reserved.
4e06e816fSKevin Lo  *
5e06e816fSKevin Lo  * Redistribution and use in source and binary forms, with or without
6e06e816fSKevin Lo  * modification, are permitted provided that the following conditions
7e06e816fSKevin Lo  * are met:
8e06e816fSKevin Lo  * 1. Redistributions of source code must retain the above copyright
9e06e816fSKevin Lo  *    notice, this list of conditions and the following disclaimer.
10e06e816fSKevin Lo  * 2. Redistributions in binary form must reproduce the above copyright
11e06e816fSKevin Lo  *    notice, this list of conditions and the following disclaimer in the
12e06e816fSKevin Lo  *    documentation and/or other materials provided with the distribution.
13e06e816fSKevin Lo  *
14e06e816fSKevin Lo  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
15e06e816fSKevin Lo  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16e06e816fSKevin Lo  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17e06e816fSKevin Lo  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18e06e816fSKevin Lo  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19e06e816fSKevin Lo  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20e06e816fSKevin Lo  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21e06e816fSKevin Lo  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22e06e816fSKevin Lo  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23e06e816fSKevin Lo  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24e06e816fSKevin Lo  * SUCH DAMAGE.
25e06e816fSKevin Lo  */
26e06e816fSKevin Lo 
27e06e816fSKevin Lo #ifndef _NETINET_UDPLITE_H_
28e06e816fSKevin Lo #define	_NETINET_UDPLITE_H_
29e06e816fSKevin Lo 
30e06e816fSKevin Lo /*
31*7bda9663SMichael Tuexen  * UDP-Lite protocol header.
32*7bda9663SMichael Tuexen  * Per RFC 3828, July, 2004.
33*7bda9663SMichael Tuexen  */
34*7bda9663SMichael Tuexen struct udplitehdr {
35*7bda9663SMichael Tuexen 	u_short	udplite_sport;		/* UDO-Lite source port */
36*7bda9663SMichael Tuexen 	u_short	udplite_dport;		/* UDP-Lite destination port */
37*7bda9663SMichael Tuexen 	u_short	udplite_coverage;	/* UDP-Lite checksum coverage */
38*7bda9663SMichael Tuexen 	u_short	udplite_checksum;	/* UDP-Lite checksum */
39*7bda9663SMichael Tuexen };
40*7bda9663SMichael Tuexen 
41*7bda9663SMichael Tuexen /*
42e06e816fSKevin Lo  * User-settable options (used with setsockopt).
43e06e816fSKevin Lo  */
44e06e816fSKevin Lo #define	UDPLITE_SEND_CSCOV	2	/* Sender checksum coverage. */
45e06e816fSKevin Lo #define	UDPLITE_RECV_CSCOV	4	/* Receiver checksum coverage. */
46e06e816fSKevin Lo 
47e06e816fSKevin Lo #endif	/* !_NETINET_UDPLITE_H_ */
48