Commit | Line | Data |
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95eaf934 KS |
1 | /* ns_error.h 6.1 85/05/30 */ |
2 | ||
3 | /* | |
4 | * Xerox NS error messages | |
5 | */ | |
6 | ||
7 | struct ns_errp { | |
8 | u_short ns_err_num; /* Error Number */ | |
9 | u_short ns_err_param; /* Error Parameter */ | |
10 | struct idp ns_err_idp; /* Initial segment of offending | |
11 | packet */ | |
12 | u_char ns_err_lev2[12]; /* at least this much higher | |
13 | level protocol */ | |
14 | }; | |
15 | struct ns_epidp { | |
16 | struct idp ns_ep_idp; | |
17 | struct ns_errp ns_ep_errp; | |
18 | }; | |
19 | ||
20 | #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ | |
21 | #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ | |
22 | #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ | |
23 | #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ | |
24 | #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ | |
25 | #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ | |
26 | #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ | |
27 | #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ | |
28 | #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through | |
29 | some intermediate gateway. The error | |
30 | parameter field contains the max packet | |
31 | size that can be accommodated */ | |
32 | #define NS_ERR_ATHOST 4 | |
33 | #define NS_ERR_ENROUTE 5 | |
34 | #define NS_ERR_MAX (NS_ERR_ATHOST + NS_ERR_ENROUTE + 1) | |
35 | #define ns_err_x(c) (((c)&0x200) ? ((c) - 0x200 + NS_ERR_ATHOST) : c ) | |
36 | ||
37 | /* | |
38 | * Variables related to this implementation | |
39 | * of the network systems error message protocol. | |
40 | */ | |
41 | struct ns_errstat { | |
42 | /* statistics related to ns_err packets generated */ | |
43 | int ns_es_error; /* # of calls to ns_error */ | |
44 | int ns_es_oldshort; /* no error 'cuz old ip too short */ | |
45 | int ns_es_oldns_err; /* no error 'cuz old was ns_err */ | |
46 | int ns_es_outhist[NS_ERR_MAX]; | |
47 | /* statistics related to input messages processed */ | |
48 | int ns_es_badcode; /* ns_err_code out of range */ | |
49 | int ns_es_tooshort; /* packet < IDP_MINLEN */ | |
50 | int ns_es_checksum; /* bad checksum */ | |
51 | int ns_es_badlen; /* calculated bound mismatch */ | |
52 | int ns_es_reflect; /* number of responses */ | |
53 | int ns_es_inhist[NS_ERR_MAX]; | |
54 | }; | |
55 | ||
56 | #ifdef KERNEL | |
57 | struct ns_errstat ns_errstat; | |
58 | #endif |