1285SN/A/*- 2462SN/A * Copyright (c) 1982, 1986, 1993 3285SN/A * The Regents of the University of California. All rights reserved. 4285SN/A * 5285SN/A * Redistribution and use in source and binary forms, with or without 6285SN/A * modification, are permitted provided that the following conditions 7285SN/A * are met: 8285SN/A * 1. Redistributions of source code must retain the above copyright 9285SN/A * notice, this list of conditions and the following disclaimer. 10285SN/A * 2. Redistributions in binary form must reproduce the above copyright 11285SN/A * notice, this list of conditions and the following disclaimer in the 12285SN/A * documentation and/or other materials provided with the distribution. 13285SN/A * 4. Neither the name of the University nor the names of its contributors 14285SN/A * may be used to endorse or promote products derived from this software 15285SN/A * without specific prior written permission. 16285SN/A * 17285SN/A * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18285SN/A * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19285SN/A * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20285SN/A * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21285SN/A * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22285SN/A * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23285SN/A * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24285SN/A * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25285SN/A * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26285SN/A * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27285SN/A * SUCH DAMAGE. 28285SN/A * 29285SN/A * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93 30285SN/A * $FreeBSD$ 31285SN/A */ 32285SN/A 33285SN/A#ifndef _NETINET_ICMP_VAR_H_ 34285SN/A#define _NETINET_ICMP_VAR_H_ 35285SN/A 36285SN/A 37285SN/A/* 38285SN/A * Variables related to this implementation 39285SN/A * of the internet control message protocol. 40285SN/A */ 41285SN/Astruct icmpstat { 42285SN/A/* statistics related to icmp packets generated */ 43285SN/A u_long icps_error; /* # of calls to icmp_error */ 44285SN/A u_long icps_oldshort; /* no error 'cuz old ip too short */ 45285SN/A u_long icps_oldicmp; /* no error 'cuz old was icmp */ 46285SN/A u_long icps_outhist[ICMP_MAXTYPE + 1]; 47285SN/A/* statistics related to input messages processed */ 48285SN/A u_long icps_badcode; /* icmp_code out of range */ 49285SN/A u_long icps_tooshort; /* packet < ICMP_MINLEN */ 50285SN/A u_long icps_checksum; /* bad checksum */ 51285SN/A u_long icps_badlen; /* calculated bound mismatch */ 52285SN/A u_long icps_reflect; /* number of responses */ 53285SN/A u_long icps_inhist[ICMP_MAXTYPE + 1]; 54285SN/A u_long icps_bmcastecho; /* b/mcast echo requests dropped */ 55285SN/A u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */ 56285SN/A u_long icps_badaddr; /* bad return address */ 57285SN/A u_long icps_noroute; /* no route back */ 58285SN/A}; 59285SN/A 60285SN/A#ifdef _KERNEL 61285SN/A#include <sys/counter.h> 62285SN/A 63285SN/AVNET_PCPUSTAT_DECLARE(struct icmpstat, icmpstat); 64285SN/A/* 65285SN/A * In-kernel consumers can use these accessor macros directly to update 66285SN/A * stats. 67285SN/A */ 68285SN/A#define ICMPSTAT_ADD(name, val) \ 69285SN/A VNET_PCPUSTAT_ADD(struct icmpstat, icmpstat, name, (val)) 70285SN/A#define ICMPSTAT_INC(name) ICMPSTAT_ADD(name, 1) 71285SN/A 72285SN/A/* 73285SN/A * Kernel module consumers must use this accessor macro. 74285SN/A */ 75285SN/Avoid kmod_icmpstat_inc(int statnum); 76285SN/A#define KMOD_ICMPSTAT_INC(name) \ 77285SN/A kmod_icmpstat_inc(offsetof(struct icmpstat, name) / sizeof(uint64_t)) 78285SN/A#endif 79285SN/A 80285SN/A/* 81285SN/A * Names for ICMP sysctl objects 82285SN/A */ 83285SN/A#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */ 84285SN/A#define ICMPCTL_STATS 2 /* statistics (read-only) */ 85285SN/A#define ICMPCTL_ICMPLIM 3 86285SN/A#define ICMPCTL_MAXID 4 87285SN/A 88285SN/A#ifdef _KERNEL 89285SN/ASYSCTL_DECL(_net_inet_icmp); 90285SN/A 91285SN/Aextern int badport_bandlim(int); 92285SN/A#define BANDLIM_UNLIMITED -1 93285SN/A#define BANDLIM_ICMP_UNREACH 0 94285SN/A#define BANDLIM_ICMP_ECHO 1 95285SN/A#define BANDLIM_ICMP_TSTAMP 2 96285SN/A#define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */ 97285SN/A#define BANDLIM_RST_OPENPORT 4 /* No connection, listener */ 98285SN/A#define BANDLIM_ICMP6_UNREACH 5 99285SN/A#define BANDLIM_SCTP_OOTB 6 100285SN/A#define BANDLIM_MAX 6 101285SN/A#endif 102285SN/A 103285SN/A#endif 104285SN/A