usr/src/sys/netinet/icmp_var.h

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *      @(#)icmp_var.h  7.4 (Berkeley) %G%
 */

/*
 * 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