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

/*
 * Copyright (c) 2000-2013 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_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_OSREFERENCE_LICENSE_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_int32_t	icps_error;	/* # of calls to icmp_error */
	u_int32_t	icps_oldshort;	/* no error 'cuz old ip too short */
	u_int32_t	icps_oldicmp;	/* no error 'cuz old was icmp */
	u_int32_t	icps_outhist[ICMP_MAXTYPE + 1];
/* statistics related to input messages processed */
	u_int32_t	icps_badcode;	/* icmp_code out of range */
	u_int32_t	icps_tooshort;	/* packet < ICMP_MINLEN */
	u_int32_t	icps_checksum;	/* bad checksum */
	u_int32_t	icps_badlen;	/* calculated bound mismatch */
	u_int32_t	icps_reflect;	/* number of responses */
	u_int32_t	icps_inhist[ICMP_MAXTYPE + 1];
	u_int32_t	icps_bmcastecho;/* b/mcast echo requests dropped */
	u_int32_t	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 BSD_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

extern struct	icmpstat icmpstat;
#endif /* BSD_KERNEL_PRIVATE */
#endif /* _NETINET_ICMP_VAR_H_ */
Commit	Line	Data
1c79356b	1	/*
39236c6e	2	* Copyright (c) 2000-2013 Apple Inc. All rights reserved.
5d5c5d0d	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 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 License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* Copyright (c) 1982, 1986, 1993
	30	* The Regents of the University of California. All rights reserved.
	31	*
	32	* Redistribution and use in source and binary forms, with or without
	33	* modification, are permitted provided that the following conditions
	34	* are met:
	35	* 1. Redistributions of source code must retain the above copyright
	36	* notice, this list of conditions and the following disclaimer.
	37	* 2. Redistributions in binary form must reproduce the above copyright
	38	* notice, this list of conditions and the following disclaimer in the
	39	* documentation and/or other materials provided with the distribution.
	40	* 3. All advertising materials mentioning features or use of this software
	41	* must display the following acknowledgement:
	42	* This product includes software developed by the University of
	43	* California, Berkeley and its contributors.
	44	* 4. Neither the name of the University nor the names of its contributors
	45	* may be used to endorse or promote products derived from this software
	46	* without specific prior written permission.
	47	*
	48	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	49	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	50	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	51	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	52	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	53	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	54	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	55	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	56	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	57	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	58	* SUCH DAMAGE.
	59	*
	60	* @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
9bccf70c	61	* $FreeBSD: src/sys/netinet/icmp_var.h,v 1.15.2.1 2001/02/24 21:35:18 bmilekic Exp $
1c79356b A	62	*/
	63
	64	#ifndef _NETINET_ICMP_VAR_H_
	65	#define _NETINET_ICMP_VAR_H_
9bccf70c	66	#include <sys/appleapiopts.h>
1c79356b A	67
	68	/*
	69	* Variables related to this implementation
	70	* of the internet control message protocol.
	71	*/
	72	struct icmpstat {
	73	/* statistics related to icmp packets generated */
2d21ac55 A	74	u_int32_t icps_error; /* # of calls to icmp_error */
	75	u_int32_t icps_oldshort; /* no error 'cuz old ip too short */
	76	u_int32_t icps_oldicmp; /* no error 'cuz old was icmp */
	77	u_int32_t icps_outhist[ICMP_MAXTYPE + 1];
1c79356b	78	/* statistics related to input messages processed */
2d21ac55 A	79	u_int32_t icps_badcode; /* icmp_code out of range */
	80	u_int32_t icps_tooshort; /* packet < ICMP_MINLEN */
	81	u_int32_t icps_checksum; /* bad checksum */
	82	u_int32_t icps_badlen; /* calculated bound mismatch */
	83	u_int32_t icps_reflect; /* number of responses */
	84	u_int32_t icps_inhist[ICMP_MAXTYPE + 1];
	85	u_int32_t icps_bmcastecho;/* b/mcast echo requests dropped */
	86	u_int32_t icps_bmcasttstamp; /* b/mcast tstamp requests dropped */
1c79356b A	87	};
	88
	89	/*
	90	* Names for ICMP sysctl objects
	91	*/
	92	#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
	93	#define ICMPCTL_STATS 2 /* statistics (read-only) */
	94	#define ICMPCTL_ICMPLIM 3
55e303ae A	95	#define ICMPCTL_TIMESTAMP 4 /* allow replies to time stamp requests */
55e303ae A	96	#define ICMPCTL_MAXID 5
1c79356b	97
39236c6e	98	#ifdef BSD_KERNEL_PRIVATE
1c79356b A	99	#define ICMPCTL_NAMES { \
	100	{ 0, 0 }, \
	101	{ "maskrepl", CTLTYPE_INT }, \
	102	{ "stats", CTLTYPE_STRUCT }, \
	103	{ "icmplim", CTLTYPE_INT }, \
55e303ae	104	{ "icmptimestamp", CTLTYPE_INT }, \
1c79356b A	105	}
1c79356b A	106
1c79356b A	107	SYSCTL_DECL(_net_inet_icmp);
1c79356b A	108	#ifdef ICMP_BANDLIM
91447636	109	extern int badport_bandlim(int);
1c79356b	110	#endif
9bccf70c A	111	#define BANDLIM_UNLIMITED -1
	112	#define BANDLIM_ICMP_UNREACH 0
	113	#define BANDLIM_ICMP_ECHO 1
	114	#define BANDLIM_ICMP_TSTAMP 2
	115	#define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */
	116	#define BANDLIM_RST_OPENPORT 4 /* No connection, listener */
	117	#define BANDLIM_MAX 4
b0d623f7 A	118
b0d623f7 A	119	extern struct icmpstat icmpstat;
39236c6e	120	#endif /* BSD_KERNEL_PRIVATE */
0c530ab8	121	#endif /* _NETINET_ICMP_VAR_H_ */