FreeBSD/Linux Kernel Cross Reference
sys/netinet/udplite.h

     /*-
      * 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_ */

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