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8ae0e4b4 | 1 | /* |
d5678156 | 2 | * Copyright (c) 1984, 1988 Regents of the University of California. |
240edf1f | 3 | * All rights reserved. |
8ae0e4b4 | 4 | * |
240edf1f KS |
5 | * Redistribution and use in source and binary forms are permitted |
6 | * provided that this notice is preserved and that due credit is given | |
7 | * to the University of California at Berkeley. The name of the University | |
8 | * may not be used to endorse or promote products derived from this | |
9 | * software without specific prior written permission. This software | |
10 | * is provided ``as is'' without express or implied warranty. | |
11 | * | |
5573631f | 12 | * @(#)ns_error.h 7.3 (Berkeley) %G% |
8ae0e4b4 | 13 | */ |
95eaf934 KS |
14 | |
15 | /* | |
16 | * Xerox NS error messages | |
17 | */ | |
18 | ||
19 | struct ns_errp { | |
20 | u_short ns_err_num; /* Error Number */ | |
21 | u_short ns_err_param; /* Error Parameter */ | |
22 | struct idp ns_err_idp; /* Initial segment of offending | |
23 | packet */ | |
24 | u_char ns_err_lev2[12]; /* at least this much higher | |
25 | level protocol */ | |
26 | }; | |
27 | struct ns_epidp { | |
28 | struct idp ns_ep_idp; | |
29 | struct ns_errp ns_ep_errp; | |
30 | }; | |
31 | ||
32 | #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ | |
33 | #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ | |
34 | #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ | |
35 | #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ | |
36 | #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ | |
37 | #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ | |
38 | #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ | |
39 | #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ | |
40 | #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through | |
41 | some intermediate gateway. The error | |
42 | parameter field contains the max packet | |
43 | size that can be accommodated */ | |
d5678156 | 44 | #define NS_ERR_MAX 20 |
95eaf934 KS |
45 | |
46 | /* | |
47 | * Variables related to this implementation | |
48 | * of the network systems error message protocol. | |
49 | */ | |
50 | struct ns_errstat { | |
51 | /* statistics related to ns_err packets generated */ | |
52 | int ns_es_error; /* # of calls to ns_error */ | |
53 | int ns_es_oldshort; /* no error 'cuz old ip too short */ | |
54 | int ns_es_oldns_err; /* no error 'cuz old was ns_err */ | |
55 | int ns_es_outhist[NS_ERR_MAX]; | |
56 | /* statistics related to input messages processed */ | |
57 | int ns_es_badcode; /* ns_err_code out of range */ | |
58 | int ns_es_tooshort; /* packet < IDP_MINLEN */ | |
59 | int ns_es_checksum; /* bad checksum */ | |
60 | int ns_es_badlen; /* calculated bound mismatch */ | |
61 | int ns_es_reflect; /* number of responses */ | |
62 | int ns_es_inhist[NS_ERR_MAX]; | |
d5678156 KS |
63 | u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist |
64 | since we might not know all */ | |
95eaf934 KS |
65 | }; |
66 | ||
67 | #ifdef KERNEL | |
68 | struct ns_errstat ns_errstat; | |
69 | #endif |