1 /* $NetBSD: icmp_var.h,v 1.23 2004/08/03 13:58:59 cube Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93 32 */ 33 34 #ifndef _NETINET_ICMP_VAR_H_ 35 #define _NETINET_ICMP_VAR_H_ 36 37 /* 38 * Variables related to this implementation 39 * of the internet control message protocol. 40 */ 41 struct icmpstat { 42 /* statistics related to icmp packets generated */ 43 u_quad_t icps_error; /* # of calls to icmp_error */ 44 u_quad_t icps_oldshort; /* no error 'cuz old ip too short */ 45 u_quad_t icps_oldicmp; /* no error 'cuz old was icmp */ 46 u_quad_t icps_outhist[ICMP_MAXTYPE + 1]; 47 /* statistics related to input messages processed */ 48 u_quad_t icps_badcode; /* icmp_code out of range */ 49 u_quad_t icps_tooshort; /* packet < ICMP_MINLEN */ 50 u_quad_t icps_checksum; /* bad checksum */ 51 u_quad_t icps_badlen; /* calculated bound mismatch */ 52 u_quad_t icps_reflect; /* number of responses */ 53 u_quad_t icps_inhist[ICMP_MAXTYPE + 1]; 54 u_quad_t icps_pmtuchg; /* path MTU changes */ 55 }; 56 57 /* 58 * Names for ICMP sysctl objects 59 */ 60 #define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */ 61 #if 0 /*obsoleted*/ 62 #define ICMPCTL_ERRRATELIMIT 2 /* error rate limit */ 63 #endif 64 #define ICMPCTL_RETURNDATABYTES 3 /* # of bytes to include in errors */ 65 #define ICMPCTL_ERRPPSLIMIT 4 /* ICMP error pps limitation */ 66 #define ICMPCTL_REDIRACCEPT 5 /* Accept redirects from routers */ 67 #define ICMPCTL_REDIRTIMEOUT 6 /* Remove routes added via redirects */ 68 #define ICMPCTL_MAXID 7 69 70 #define ICMPCTL_NAMES { \ 71 { 0, 0 }, \ 72 { "maskrepl", CTLTYPE_INT }, \ 73 { 0, 0 }, \ 74 { "returndatabytes", CTLTYPE_INT }, \ 75 { "errppslimit", CTLTYPE_INT }, \ 76 { "rediraccept", CTLTYPE_INT }, \ 77 { "redirtimeout", CTLTYPE_INT }, \ 78 } 79 80 #ifdef _KERNEL 81 extern struct icmpstat icmpstat; 82 83 #ifdef __NO_STRICT_ALIGNMENT 84 #define ICMP_HDR_ALIGNED_P(ic) 1 85 #else 86 #define ICMP_HDR_ALIGNED_P(ic) ((((vaddr_t) (ic)) & 3) == 0) 87 #endif 88 #endif /* _KERNEL_ */ 89 90 #endif /* _NETINET_ICMP_VAR_H_ */ 91