diff options
Diffstat (limited to 'sys/netns/ns_error.h')
| -rw-r--r-- | sys/netns/ns_error.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sys/netns/ns_error.h b/sys/netns/ns_error.h new file mode 100644 index 00000000000..9167acd4c47 --- /dev/null +++ b/sys/netns/ns_error.h @@ -0,0 +1,92 @@ +/* $NetBSD: ns_error.h,v 1.6 1995/03/26 20:36:20 jtc Exp $ */ + +/* + * Copyright (c) 1984, 1988, 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. + * + * @(#)ns_error.h 8.1 (Berkeley) 6/10/93 + */ + +/* + * 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 +struct ns_errstat ns_errstat; +#endif |