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8ae0e4b4 | 1 | /* |
99315dca KB |
2 | * Copyright (c) 1984, 1988, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
8ae0e4b4 | 4 | * |
dbf0c423 | 5 | * %sccs.include.redist.c% |
240edf1f | 6 | * |
99315dca | 7 | * @(#)ns_error.h 8.1 (Berkeley) %G% |
8ae0e4b4 | 8 | */ |
95eaf934 KS |
9 | |
10 | /* | |
11 | * Xerox NS error messages | |
12 | */ | |
13 | ||
14 | struct ns_errp { | |
15 | u_short ns_err_num; /* Error Number */ | |
16 | u_short ns_err_param; /* Error Parameter */ | |
17 | struct idp ns_err_idp; /* Initial segment of offending | |
18 | packet */ | |
19 | u_char ns_err_lev2[12]; /* at least this much higher | |
20 | level protocol */ | |
21 | }; | |
22 | struct ns_epidp { | |
23 | struct idp ns_ep_idp; | |
24 | struct ns_errp ns_ep_errp; | |
25 | }; | |
26 | ||
27 | #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ | |
28 | #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ | |
29 | #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ | |
30 | #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ | |
31 | #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ | |
32 | #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ | |
33 | #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ | |
34 | #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ | |
35 | #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through | |
36 | some intermediate gateway. The error | |
37 | parameter field contains the max packet | |
38 | size that can be accommodated */ | |
d5678156 | 39 | #define NS_ERR_MAX 20 |
95eaf934 KS |
40 | |
41 | /* | |
42 | * Variables related to this implementation | |
43 | * of the network systems error message protocol. | |
44 | */ | |
45 | struct ns_errstat { | |
46 | /* statistics related to ns_err packets generated */ | |
47 | int ns_es_error; /* # of calls to ns_error */ | |
48 | int ns_es_oldshort; /* no error 'cuz old ip too short */ | |
49 | int ns_es_oldns_err; /* no error 'cuz old was ns_err */ | |
50 | int ns_es_outhist[NS_ERR_MAX]; | |
51 | /* statistics related to input messages processed */ | |
52 | int ns_es_badcode; /* ns_err_code out of range */ | |
53 | int ns_es_tooshort; /* packet < IDP_MINLEN */ | |
54 | int ns_es_checksum; /* bad checksum */ | |
55 | int ns_es_badlen; /* calculated bound mismatch */ | |
56 | int ns_es_reflect; /* number of responses */ | |
57 | int ns_es_inhist[NS_ERR_MAX]; | |
d5678156 KS |
58 | u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist |
59 | since we might not know all */ | |
95eaf934 KS |
60 | }; |
61 | ||
62 | #ifdef KERNEL | |
63 | struct ns_errstat ns_errstat; | |
64 | #endif |