[apple/xnu.git] / bsd / netinet / icmp_var.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/*
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 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: src/sys/netinet/icmp_var.h,v 1.15.2.1 2001/02/24 21:35:18 bmilekic Exp $
 */

#ifndef _NETINET_ICMP_VAR_H_
#define _NETINET_ICMP_VAR_H_
#include <sys/appleapiopts.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 */
};

/*
 * 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_TIMESTAMP	4	/* allow replies to time stamp requests */
#define ICMPCTL_MAXID		5

#ifdef KERNEL_PRIVATE
#define ICMPCTL_NAMES { \
	{ 0, 0 }, \
	{ "maskrepl", CTLTYPE_INT }, \
	{ "stats", CTLTYPE_STRUCT }, \
	{ "icmplim", CTLTYPE_INT }, \
	{ "icmptimestamp", CTLTYPE_INT }, \
}

SYSCTL_DECL(_net_inet_icmp);
#ifdef ICMP_BANDLIM
extern int badport_bandlim(int);
#endif
#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_MAX 4
#endif KERNEL_PRIVATE
#endif /* _NETINET_ICMP_VAR_H_ */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/*
	31	* Copyright (c) 1982, 1986, 1993
	32	* The Regents of the University of California. All rights reserved.
	33	*
	34	* Redistribution and use in source and binary forms, with or without
	35	* modification, are permitted provided that the following conditions
	36	* are met:
	37	* 1. Redistributions of source code must retain the above copyright
	38	* notice, this list of conditions and the following disclaimer.
	39	* 2. Redistributions in binary form must reproduce the above copyright
	40	* notice, this list of conditions and the following disclaimer in the
	41	* documentation and/or other materials provided with the distribution.
	42	* 3. All advertising materials mentioning features or use of this software
	43	* must display the following acknowledgement:
	44	* This product includes software developed by the University of
	45	* California, Berkeley and its contributors.
	46	* 4. Neither the name of the University nor the names of its contributors
	47	* may be used to endorse or promote products derived from this software
	48	* without specific prior written permission.
	49	*
	50	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	51	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	52	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	53	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	54	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	55	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	56	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	57	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	58	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	59	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	60	* SUCH DAMAGE.
	61	*
	62	* @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
9bccf70c	63	* $FreeBSD: src/sys/netinet/icmp_var.h,v 1.15.2.1 2001/02/24 21:35:18 bmilekic Exp $
1c79356b A	64	*/
	65
	66	#ifndef _NETINET_ICMP_VAR_H_
	67	#define _NETINET_ICMP_VAR_H_
9bccf70c	68	#include <sys/appleapiopts.h>
1c79356b A	69
	70	/*
	71	* Variables related to this implementation
	72	* of the internet control message protocol.
	73	*/
	74	struct icmpstat {
	75	/* statistics related to icmp packets generated */
	76	u_long icps_error; /* # of calls to icmp_error */
	77	u_long icps_oldshort; /* no error 'cuz old ip too short */
	78	u_long icps_oldicmp; /* no error 'cuz old was icmp */
	79	u_long icps_outhist[ICMP_MAXTYPE + 1];
	80	/* statistics related to input messages processed */
	81	u_long icps_badcode; /* icmp_code out of range */
	82	u_long icps_tooshort; /* packet < ICMP_MINLEN */
	83	u_long icps_checksum; /* bad checksum */
	84	u_long icps_badlen; /* calculated bound mismatch */
	85	u_long icps_reflect; /* number of responses */
	86	u_long icps_inhist[ICMP_MAXTYPE + 1];
	87	u_long icps_bmcastecho; /* b/mcast echo requests dropped */
	88	u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */
	89	};
	90
	91	/*
	92	* Names for ICMP sysctl objects
	93	*/
	94	#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
	95	#define ICMPCTL_STATS 2 /* statistics (read-only) */
	96	#define ICMPCTL_ICMPLIM 3
55e303ae A	97	#define ICMPCTL_TIMESTAMP 4 /* allow replies to time stamp requests */
55e303ae A	98	#define ICMPCTL_MAXID 5
1c79356b	99
91447636	100	#ifdef KERNEL_PRIVATE
1c79356b A	101	#define ICMPCTL_NAMES { \
	102	{ 0, 0 }, \
	103	{ "maskrepl", CTLTYPE_INT }, \
	104	{ "stats", CTLTYPE_STRUCT }, \
	105	{ "icmplim", CTLTYPE_INT }, \
55e303ae	106	{ "icmptimestamp", CTLTYPE_INT }, \
1c79356b A	107	}
1c79356b A	108
1c79356b A	109	SYSCTL_DECL(_net_inet_icmp);
1c79356b A	110	#ifdef ICMP_BANDLIM
91447636	111	extern int badport_bandlim(int);
1c79356b	112	#endif
9bccf70c A	113	#define BANDLIM_UNLIMITED -1
	114	#define BANDLIM_ICMP_UNREACH 0
	115	#define BANDLIM_ICMP_ECHO 1
	116	#define BANDLIM_ICMP_TSTAMP 2
	117	#define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */
	118	#define BANDLIM_RST_OPENPORT 4 /* No connection, listener */
	119	#define BANDLIM_MAX 4
91447636	120	#endif KERNEL_PRIVATE
5d5c5d0d	121	#endif /* _NETINET_ICMP_VAR_H_ */