/* * Copyright (c) 1984, 1988 Regents of the University of California. * All rights reserved. * * Redistribution is only permitted until one year after the first shipment * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and * binary forms are permitted provided that: (1) source distributions retain * this entire copyright notice and comment, and (2) distributions including * binaries display the following acknowledgement: This product includes * software developed by the University of California, Berkeley and its * contributors'' in the documentation or other materials provided with the * distribution and in all advertising materials mentioning features or use * of this software. Neither the name of the University nor the names of * its contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * @(#)ns_error.h 7.5 (Berkeley) 6/28/90 */ /* * Xerox NS error messages */ struct ns_errp { u_short ns_err_num; /* Error Number */ u_short ns_err_param; /* Error Parameter */ struct idp ns_err_idp; /* Initial segment of offending packet */ u_char ns_err_lev2[12]; /* at least this much higher level protocol */ }; struct ns_epidp { struct idp ns_ep_idp; struct ns_errp ns_ep_errp; }; #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through some intermediate gateway. The error parameter field contains the max packet size that can be accommodated */ #define NS_ERR_MAX 20 /* * Variables related to this implementation * of the network systems error message protocol. */ struct ns_errstat { /* statistics related to ns_err packets generated */ int ns_es_error; /* # of calls to ns_error */ int ns_es_oldshort; /* no error 'cuz old ip too short */ int ns_es_oldns_err; /* no error 'cuz old was ns_err */ int ns_es_outhist[NS_ERR_MAX]; /* statistics related to input messages processed */ int ns_es_badcode; /* ns_err_code out of range */ int ns_es_tooshort; /* packet < IDP_MINLEN */ int ns_es_checksum; /* bad checksum */ int ns_es_badlen; /* calculated bound mismatch */ int ns_es_reflect; /* number of responses */ int ns_es_inhist[NS_ERR_MAX]; u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist since we might not know all */ }; #ifdef KERNEL struct ns_errstat ns_errstat; #endif