freebsd-dev/sys/netinet/udplite.h
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/*-
* Copyright (c) 2014, Kevin Lo
* 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.
*
* 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.
*
* $FreeBSD$
*/
#ifndef _NETINET_UDPLITE_H_
#define _NETINET_UDPLITE_H_
/*
* UDP-Lite protocol header.
* Per RFC 3828, July, 2004.
*/
struct udplitehdr {
u_short udplite_sport; /* UDO-Lite source port */
u_short udplite_dport; /* UDP-Lite destination port */
u_short udplite_coverage; /* UDP-Lite checksum coverage */
u_short udplite_checksum; /* UDP-Lite checksum */
};
/*
* User-settable options (used with setsockopt).
*/
#define UDPLITE_SEND_CSCOV 2 /* Sender checksum coverage. */
#define UDPLITE_RECV_CSCOV 4 /* Receiver checksum coverage. */
#endif /* !_NETINET_UDPLITE_H_ */