4.3BSD-Reno/src/sys/netinet/icmp_var.h

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)icmp_var.h	7.5 (Berkeley) 6/28/90
 */

/*
 * Variables related to this implementation
 * of the internet control message protocol.
 */
struct	icmpstat {
/* statistics related to icmp packets generated */
	int	icps_error;		/* # of calls to icmp_error */
	int	icps_oldshort;		/* no error 'cuz old ip too short */
	int	icps_oldicmp;		/* no error 'cuz old was icmp */
	int	icps_outhist[ICMP_MAXTYPE + 1];
/* statistics related to input messages processed */
 	int	icps_badcode;		/* icmp_code out of range */
	int	icps_tooshort;		/* packet < ICMP_MINLEN */
	int	icps_checksum;		/* bad checksum */
	int	icps_badlen;		/* calculated bound mismatch */
	int	icps_reflect;		/* number of responses */
	int	icps_inhist[ICMP_MAXTYPE + 1];
};

#ifdef KERNEL
struct	icmpstat icmpstat;
#endif