/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1996-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <strings.h>
#include "v4_sum_impl.h"
/*
* RFC 768 pseudo header. Used in calculating UDP checksums.
*/
struct pseudo_udp {
};
/*
* One's complement checksum of pseudo header, udp header, and data.
* Must be MT SAFE.
*/
{
/*
* Start on the pseudo header. Note that pseudo_udp already takes
* acount for the udphdr...
*/
/* struct copies */
/*
* If the packet is an odd length, zero the pad byte for checksum
* purposes [doesn't hurt data]
*/
if (cnt & 1) {
cnt++; /* make even */
}
/* Wrap carries into low bit */
sum++;
}
/*
* If we've finished checking the pseudo-header, move
* onto the udp header and data.
*/
if (sp == end_pseudo_hdr)
}
}