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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 | */ |
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_ */ |