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 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: *
12: * @(#)ns_error.h 7.3 (Berkeley) 1/28/88
13: */
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 */
44: #define NS_ERR_MAX 20
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: long ns_es_error; /* # of calls to ns_error */
53: long ns_es_oldshort; /* no error 'cuz old ip too short */
54: long ns_es_oldns_err; /* no error 'cuz old was ns_err */
55: long ns_es_outhist[NS_ERR_MAX];
56: /* statistics related to input messages processed */
57: long ns_es_badcode; /* ns_err_code out of range */
58: long ns_es_tooshort; /* packet < IDP_MINLEN */
59: long ns_es_checksum; /* bad checksum */
60: long ns_es_badlen; /* calculated bound mismatch */
61: long ns_es_reflect; /* number of responses */
62: long ns_es_inhist[NS_ERR_MAX];
63: u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist
64: since we might not know all */
65: };
66:
67: #ifdef SUPERVISOR
68: struct ns_errstat ns_errstat;
69: #endif
Defined variables
Defined struct's
Defined macros
Usage of this include