Current Path : /sys/netinet/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/netinet/icmp_var.h |
/*- * 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: release/9.1.0/sys/netinet/icmp_var.h 237913 2012-07-01 09:00:29Z tuexen $ */ #ifndef _NETINET_ICMP_VAR_H_ #define _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 _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 _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_SCTP_OOTB 6 #define BANDLIM_MAX 6 #endif #endif