/*
 * |-----------------------------------------------------------|
 * | Copyright (c) 1991, 1990 MIPS Computer Systems, Inc.      |
 * | All Rights Reserved                                       |
 * |-----------------------------------------------------------|
 * |          Restricted Rights Legend                         |
 * | Use, duplication, or disclosure by the Government is      |
 * | subject to restrictions as set forth in                   |
 * | subparagraph (c)(1)(ii) of the Rights in Technical        |
 * | Data and Computer Software Clause of DFARS 252.227-7013.  |
 * |         MIPS Computer Systems, Inc.                       |
 * |         950 DeGuigne Avenue                               |
 * |         Sunnyvale, California 94088-3650, USA             |
 * |-----------------------------------------------------------|
 */
#ident	"$Header: cksum.c,v 1.3.2.1 92/06/24 13:42:59 marker Exp $"

#include <sys/types.h>

/*
 * Checksum routine for Internet Protocol family headers (mips version).
 *
 * This routine is very heavily used in the network
 * code and should be modified for each CPU to be as fast as possible.
 */

in_cksum(m, len)
	register caddr_t *m;
	register int len;
{
	register int ck;
	unsigned short in_checksum();

	ck = in_checksum(m, len, 0);
	return(~ck & 0xFFFF);
}
