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8ae0e4b4 | 1 | /* |
616d42db | 2 | * Copyright (c) 1984, 1988 Regents of the University of California. |
240edf1f | 3 | * All rights reserved. |
8ae0e4b4 | 4 | * |
240edf1f | 5 | * Redistribution and use in source and binary forms are permitted |
616d42db KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
240edf1f | 16 | * |
616d42db | 17 | * @(#)ns_error.h 7.4 (Berkeley) %G% |
8ae0e4b4 | 18 | */ |
95eaf934 KS |
19 | |
20 | /* | |
21 | * Xerox NS error messages | |
22 | */ | |
23 | ||
24 | struct ns_errp { | |
25 | u_short ns_err_num; /* Error Number */ | |
26 | u_short ns_err_param; /* Error Parameter */ | |
27 | struct idp ns_err_idp; /* Initial segment of offending | |
28 | packet */ | |
29 | u_char ns_err_lev2[12]; /* at least this much higher | |
30 | level protocol */ | |
31 | }; | |
32 | struct ns_epidp { | |
33 | struct idp ns_ep_idp; | |
34 | struct ns_errp ns_ep_errp; | |
35 | }; | |
36 | ||
37 | #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ | |
38 | #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ | |
39 | #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ | |
40 | #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ | |
41 | #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ | |
42 | #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ | |
43 | #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ | |
44 | #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ | |
45 | #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through | |
46 | some intermediate gateway. The error | |
47 | parameter field contains the max packet | |
48 | size that can be accommodated */ | |
d5678156 | 49 | #define NS_ERR_MAX 20 |
95eaf934 KS |
50 | |
51 | /* | |
52 | * Variables related to this implementation | |
53 | * of the network systems error message protocol. | |
54 | */ | |
55 | struct ns_errstat { | |
56 | /* statistics related to ns_err packets generated */ | |
57 | int ns_es_error; /* # of calls to ns_error */ | |
58 | int ns_es_oldshort; /* no error 'cuz old ip too short */ | |
59 | int ns_es_oldns_err; /* no error 'cuz old was ns_err */ | |
60 | int ns_es_outhist[NS_ERR_MAX]; | |
61 | /* statistics related to input messages processed */ | |
62 | int ns_es_badcode; /* ns_err_code out of range */ | |
63 | int ns_es_tooshort; /* packet < IDP_MINLEN */ | |
64 | int ns_es_checksum; /* bad checksum */ | |
65 | int ns_es_badlen; /* calculated bound mismatch */ | |
66 | int ns_es_reflect; /* number of responses */ | |
67 | int ns_es_inhist[NS_ERR_MAX]; | |
d5678156 KS |
68 | u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist |
69 | since we might not know all */ | |
95eaf934 KS |
70 | }; |
71 | ||
72 | #ifdef KERNEL | |
73 | struct ns_errstat ns_errstat; | |
74 | #endif |