[unix-history] / sys / netns / ns_error.h

/*
 * Copyright (c) 1984, 1988 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.
 *
 *	from: @(#)ns_error.h	7.5 (Berkeley) 6/28/90
 *	$Id: ns_error.h,v 1.2 1993/10/16 19:54:20 rgrimes Exp $
 */

#ifndef _NETNS_NS_ERROR_H_
#define _NETNS_NS_ERROR_H_ 1

/*
 * Xerox NS error messages
 */

struct ns_errp {
	u_short		ns_err_num;		/* Error Number */
	u_short		ns_err_param;		/* Error Parameter */
	struct idp	ns_err_idp;		/* Initial segment of offending
						   packet */
	u_char		ns_err_lev2[12];	/* at least this much higher
						   level protocol */
};
struct  ns_epidp {
	struct idp ns_ep_idp;
	struct ns_errp ns_ep_errp;
};

#define	NS_ERR_UNSPEC	0	/* Unspecified Error detected at dest. */
#define	NS_ERR_BADSUM	1	/* Bad Checksum detected at dest */
#define	NS_ERR_NOSOCK	2	/* Specified socket does not exist at dest*/
#define	NS_ERR_FULLUP	3	/* Dest. refuses packet due to resource lim.*/
#define	NS_ERR_UNSPEC_T	0x200	/* Unspec. Error occured before reaching dest*/
#define	NS_ERR_BADSUM_T	0x201	/* Bad Checksum detected in transit */
#define	NS_ERR_UNREACH_HOST	0x202	/* Dest cannot be reached from here*/
#define	NS_ERR_TOO_OLD	0x203	/* Packet x'd 15 routers without delivery*/
#define	NS_ERR_TOO_BIG	0x204	/* Packet too large to be forwarded through
				   some intermediate gateway.  The error
				   parameter field contains the max packet
				   size that can be accommodated */
#define NS_ERR_MAX 20

/*
 * Variables related to this implementation
 * of the network systems error message protocol.
 */
struct	ns_errstat {
/* statistics related to ns_err packets generated */
	int	ns_es_error;		/* # of calls to ns_error */
	int	ns_es_oldshort;		/* no error 'cuz old ip too short */
	int	ns_es_oldns_err;	/* no error 'cuz old was ns_err */
	int	ns_es_outhist[NS_ERR_MAX];
/* statistics related to input messages processed */
	int	ns_es_badcode;		/* ns_err_code out of range */
	int	ns_es_tooshort;		/* packet < IDP_MINLEN */
	int	ns_es_checksum;		/* bad checksum */
	int	ns_es_badlen;		/* calculated bound mismatch */
	int	ns_es_reflect;		/* number of responses */
	int	ns_es_inhist[NS_ERR_MAX];
	u_short	ns_es_codes[NS_ERR_MAX];/* which error code for outhist
					   since we might not know all */
};

#ifdef KERNEL
extern struct	ns_errstat ns_errstat;
#endif
#endif /* _NETNS_NS_ERROR_H_ */
Commit	Line	Data
15637ed4 RG	1	/*
	2	* Copyright (c) 1984, 1988 Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
42524852	33	* from: @(#)ns_error.h 7.5 (Berkeley) 6/28/90
8ace4366	34	* $Id: ns_error.h,v 1.2 1993/10/16 19:54:20 rgrimes Exp $
15637ed4 RG	35	*/
15637ed4 RG	36
8ace4366 GW	37	#ifndef _NETNS_NS_ERROR_H_
	38	#define _NETNS_NS_ERROR_H_ 1
	39
15637ed4 RG	40	/*
	41	* Xerox NS error messages
	42	*/
	43
	44	struct ns_errp {
	45	u_short ns_err_num; /* Error Number */
	46	u_short ns_err_param; /* Error Parameter */
	47	struct idp ns_err_idp; /* Initial segment of offending
	48	packet */
	49	u_char ns_err_lev2[12]; /* at least this much higher
	50	level protocol */
	51	};
	52	struct ns_epidp {
	53	struct idp ns_ep_idp;
	54	struct ns_errp ns_ep_errp;
	55	};
	56
	57	#define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */
	58	#define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */
	59	#define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/
	60	#define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/
	61	#define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/
	62	#define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */
	63	#define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/
	64	#define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/
	65	#define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through
	66	some intermediate gateway. The error
	67	parameter field contains the max packet
	68	size that can be accommodated */
	69	#define NS_ERR_MAX 20
	70
	71	/*
	72	* Variables related to this implementation
	73	* of the network systems error message protocol.
	74	*/
	75	struct ns_errstat {
	76	/* statistics related to ns_err packets generated */
	77	int ns_es_error; /* # of calls to ns_error */
	78	int ns_es_oldshort; /* no error 'cuz old ip too short */
	79	int ns_es_oldns_err; /* no error 'cuz old was ns_err */
	80	int ns_es_outhist[NS_ERR_MAX];
	81	/* statistics related to input messages processed */
	82	int ns_es_badcode; /* ns_err_code out of range */
	83	int ns_es_tooshort; /* packet < IDP_MINLEN */
	84	int ns_es_checksum; /* bad checksum */
	85	int ns_es_badlen; /* calculated bound mismatch */
	86	int ns_es_reflect; /* number of responses */
	87	int ns_es_inhist[NS_ERR_MAX];
	88	u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist
	89	since we might not know all */
	90	};
	91
	92	#ifdef KERNEL
8ace4366	93	extern struct ns_errstat ns_errstat;
15637ed4	94	#endif
8ace4366	95	#endif /* _NETNS_NS_ERROR_H_ */