123207Smckusick /* 2*34856Sbostic * Copyright (c) 1984, 1988 Regents of the University of California. 333371Ssklower * All rights reserved. 423207Smckusick * 533371Ssklower * Redistribution and use in source and binary forms are permitted 6*34856Sbostic * provided that the above copyright notice and this paragraph are 7*34856Sbostic * duplicated in all such forms and that any documentation, 8*34856Sbostic * advertising materials, and other materials related to such 9*34856Sbostic * distribution and use acknowledge that the software was developed 10*34856Sbostic * by the University of California, Berkeley. The name of the 11*34856Sbostic * University may not be used to endorse or promote products derived 12*34856Sbostic * from this software without specific prior written permission. 13*34856Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*34856Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*34856Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 1633371Ssklower * 17*34856Sbostic * @(#)ns_error.h 7.4 (Berkeley) 06/29/88 1823207Smckusick */ 1921484Ssklower 2021484Ssklower /* 2121484Ssklower * Xerox NS error messages 2221484Ssklower */ 2321484Ssklower 2421484Ssklower struct ns_errp { 2521484Ssklower u_short ns_err_num; /* Error Number */ 2621484Ssklower u_short ns_err_param; /* Error Parameter */ 2721484Ssklower struct idp ns_err_idp; /* Initial segment of offending 2821484Ssklower packet */ 2921484Ssklower u_char ns_err_lev2[12]; /* at least this much higher 3021484Ssklower level protocol */ 3121484Ssklower }; 3221484Ssklower struct ns_epidp { 3321484Ssklower struct idp ns_ep_idp; 3421484Ssklower struct ns_errp ns_ep_errp; 3521484Ssklower }; 3621484Ssklower 3721484Ssklower #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ 3821484Ssklower #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ 3921484Ssklower #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ 4021484Ssklower #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ 4121484Ssklower #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ 4221484Ssklower #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ 4321484Ssklower #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ 4421484Ssklower #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ 4521484Ssklower #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through 4621484Ssklower some intermediate gateway. The error 4721484Ssklower parameter field contains the max packet 4821484Ssklower size that can be accommodated */ 4933411Ssklower #define NS_ERR_MAX 20 5021484Ssklower 5121484Ssklower /* 5221484Ssklower * Variables related to this implementation 5321484Ssklower * of the network systems error message protocol. 5421484Ssklower */ 5521484Ssklower struct ns_errstat { 5621484Ssklower /* statistics related to ns_err packets generated */ 5721484Ssklower int ns_es_error; /* # of calls to ns_error */ 5821484Ssklower int ns_es_oldshort; /* no error 'cuz old ip too short */ 5921484Ssklower int ns_es_oldns_err; /* no error 'cuz old was ns_err */ 6021484Ssklower int ns_es_outhist[NS_ERR_MAX]; 6121484Ssklower /* statistics related to input messages processed */ 6221484Ssklower int ns_es_badcode; /* ns_err_code out of range */ 6321484Ssklower int ns_es_tooshort; /* packet < IDP_MINLEN */ 6421484Ssklower int ns_es_checksum; /* bad checksum */ 6521484Ssklower int ns_es_badlen; /* calculated bound mismatch */ 6621484Ssklower int ns_es_reflect; /* number of responses */ 6721484Ssklower int ns_es_inhist[NS_ERR_MAX]; 6833411Ssklower u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist 6933411Ssklower since we might not know all */ 7021484Ssklower }; 7121484Ssklower 7221484Ssklower #ifdef KERNEL 7321484Ssklower struct ns_errstat ns_errstat; 7421484Ssklower #endif 75