| /*- |
| * Copyright (c) 1982, 1986, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93 |
| * $FreeBSD$ |
| */ |
| |
| #ifndef _BSD_NETINET_ICMP_VAR_H_ |
| #define _BSD_NETINET_ICMP_VAR_H_ |
| |
| |
| /* |
| * Variables related to this implementation |
| * of the internet control message protocol. |
| */ |
| struct icmpstat { |
| /* statistics related to icmp packets generated */ |
| u_long icps_error; /* # of calls to icmp_error */ |
| u_long icps_oldshort; /* no error 'cuz old ip too short */ |
| u_long icps_oldicmp; /* no error 'cuz old was icmp */ |
| u_long icps_outhist[ICMP_MAXTYPE + 1]; |
| /* statistics related to input messages processed */ |
| u_long icps_badcode; /* icmp_code out of range */ |
| u_long icps_tooshort; /* packet < ICMP_MINLEN */ |
| u_long icps_checksum; /* bad checksum */ |
| u_long icps_badlen; /* calculated bound mismatch */ |
| u_long icps_reflect; /* number of responses */ |
| u_long icps_inhist[ICMP_MAXTYPE + 1]; |
| u_long icps_bmcastecho; /* b/mcast echo requests dropped */ |
| u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */ |
| u_long icps_badaddr; /* bad return address */ |
| u_long icps_noroute; /* no route back */ |
| }; |
| |
| #ifdef _FREEBSD_KERNEL |
| /* |
| * In-kernel consumers can use these accessor macros directly to update |
| * stats. |
| */ |
| #define ICMPSTAT_ADD(name, val) V_icmpstat.name += (val) |
| #define ICMPSTAT_INC(name) ICMPSTAT_ADD(name, 1) |
| |
| /* |
| * Kernel module consumers must use this accessor macro. |
| */ |
| void kmod_icmpstat_inc(int statnum); |
| #define KMOD_ICMPSTAT_INC(name) \ |
| kmod_icmpstat_inc(offsetof(struct icmpstat, name) / sizeof(u_long)) |
| #endif |
| |
| /* |
| * Names for ICMP sysctl objects |
| */ |
| #define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */ |
| #define ICMPCTL_STATS 2 /* statistics (read-only) */ |
| #define ICMPCTL_ICMPLIM 3 |
| #define ICMPCTL_MAXID 4 |
| |
| #define ICMPCTL_NAMES { \ |
| { 0, 0 }, \ |
| { "maskrepl", CTLTYPE_INT }, \ |
| { "stats", CTLTYPE_STRUCT }, \ |
| { "icmplim", CTLTYPE_INT }, \ |
| } |
| |
| #ifdef _FREEBSD_KERNEL |
| //SYSCTL_DECL(_net_inet_icmp); |
| |
| VNET_DECLARE(struct icmpstat, icmpstat); /* icmp statistics. */ |
| #define V_icmpstat VNET(icmpstat) |
| |
| extern int badport_bandlim(int); |
| #define BANDLIM_UNLIMITED -1 |
| #define BANDLIM_ICMP_UNREACH 0 |
| #define BANDLIM_ICMP_ECHO 1 |
| #define BANDLIM_ICMP_TSTAMP 2 |
| #define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */ |
| #define BANDLIM_RST_OPENPORT 4 /* No connection, listener */ |
| #define BANDLIM_ICMP6_UNREACH 5 |
| #define BANDLIM_MAX 5 |
| #endif |
| |
| #endif |
