1139823Simp/*- 21541Srgrimes * Copyright (c) 1982, 1986, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * Redistribution and use in source and binary forms, with or without 61541Srgrimes * modification, are permitted provided that the following conditions 71541Srgrimes * are met: 81541Srgrimes * 1. Redistributions of source code must retain the above copyright 91541Srgrimes * notice, this list of conditions and the following disclaimer. 101541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111541Srgrimes * notice, this list of conditions and the following disclaimer in the 121541Srgrimes * documentation and/or other materials provided with the distribution. 131541Srgrimes * 4. Neither the name of the University nor the names of its contributors 141541Srgrimes * may be used to endorse or promote products derived from this software 151541Srgrimes * without specific prior written permission. 161541Srgrimes * 171541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271541Srgrimes * SUCH DAMAGE. 281541Srgrimes * 291541Srgrimes * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93 3050477Speter * $FreeBSD$ 311541Srgrimes */ 321541Srgrimes 332169Spaul#ifndef _NETINET_ICMP_VAR_H_ 342169Spaul#define _NETINET_ICMP_VAR_H_ 352169Spaul 3641487Sdillon 371541Srgrimes/* 381541Srgrimes * Variables related to this implementation 391541Srgrimes * of the internet control message protocol. 401541Srgrimes */ 411541Srgrimesstruct icmpstat { 421541Srgrimes/* statistics related to icmp packets generated */ 431541Srgrimes u_long icps_error; /* # of calls to icmp_error */ 441541Srgrimes u_long icps_oldshort; /* no error 'cuz old ip too short */ 451541Srgrimes u_long icps_oldicmp; /* no error 'cuz old was icmp */ 461541Srgrimes u_long icps_outhist[ICMP_MAXTYPE + 1]; 471541Srgrimes/* statistics related to input messages processed */ 48133874Srwatson u_long icps_badcode; /* icmp_code out of range */ 491541Srgrimes u_long icps_tooshort; /* packet < ICMP_MINLEN */ 501541Srgrimes u_long icps_checksum; /* bad checksum */ 511541Srgrimes u_long icps_badlen; /* calculated bound mismatch */ 521541Srgrimes u_long icps_reflect; /* number of responses */ 531541Srgrimes u_long icps_inhist[ICMP_MAXTYPE + 1]; 54133874Srwatson u_long icps_bmcastecho; /* b/mcast echo requests dropped */ 55133874Srwatson u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */ 5687120Sru u_long icps_badaddr; /* bad return address */ 57133874Srwatson u_long icps_noroute; /* no route back */ 581541Srgrimes}; 591541Srgrimes 60190964Srwatson#ifdef _KERNEL 61253084Sae#include <sys/counter.h> 62253084Sae 63253084SaeVNET_PCPUSTAT_DECLARE(struct icmpstat, icmpstat); 64196039Srwatson/* 65196039Srwatson * In-kernel consumers can use these accessor macros directly to update 66196039Srwatson * stats. 67196039Srwatson */ 68253084Sae#define ICMPSTAT_ADD(name, val) \ 69253084Sae VNET_PCPUSTAT_ADD(struct icmpstat, icmpstat, name, (val)) 70190964Srwatson#define ICMPSTAT_INC(name) ICMPSTAT_ADD(name, 1) 71196039Srwatson 72196039Srwatson/* 73196039Srwatson * Kernel module consumers must use this accessor macro. 74196039Srwatson */ 75196039Srwatsonvoid kmod_icmpstat_inc(int statnum); 76196039Srwatson#define KMOD_ICMPSTAT_INC(name) \ 77253084Sae kmod_icmpstat_inc(offsetof(struct icmpstat, name) / sizeof(uint64_t)) 78190964Srwatson#endif 79190964Srwatson 801541Srgrimes/* 811541Srgrimes * Names for ICMP sysctl objects 821541Srgrimes */ 831541Srgrimes#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */ 846472Swollman#define ICMPCTL_STATS 2 /* statistics (read-only) */ 8541487Sdillon#define ICMPCTL_ICMPLIM 3 8641487Sdillon#define ICMPCTL_MAXID 4 871541Srgrimes 8855205Speter#ifdef _KERNEL 8944078SdfrSYSCTL_DECL(_net_inet_icmp); 90195699Srwatson 9192723Salfredextern int badport_bandlim(int); 9272357Sbmilekic#define BANDLIM_UNLIMITED -1 9372357Sbmilekic#define BANDLIM_ICMP_UNREACH 0 9487914Sjlemon#define BANDLIM_ICMP_ECHO 1 9572357Sbmilekic#define BANDLIM_ICMP_TSTAMP 2 9672357Sbmilekic#define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */ 9772357Sbmilekic#define BANDLIM_RST_OPENPORT 4 /* No connection, listener */ 98171508Srwatson#define BANDLIM_ICMP6_UNREACH 5 99237230Stuexen#define BANDLIM_SCTP_OOTB 6 100237230Stuexen#define BANDLIM_MAX 6 1011541Srgrimes#endif 10241487Sdillon 10341487Sdillon#endif 104