123207Smckusick /* 2*33371Ssklower * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California. 3*33371Ssklower * All rights reserved. 423207Smckusick * 5*33371Ssklower * Redistribution and use in source and binary forms are permitted 6*33371Ssklower * provided that this notice is preserved and that due credit is given 7*33371Ssklower * to the University of California at Berkeley. The name of the University 8*33371Ssklower * may not be used to endorse or promote products derived from this 9*33371Ssklower * software without specific prior written permission. This software 10*33371Ssklower * is provided ``as is'' without express or implied warranty. 11*33371Ssklower * 12*33371Ssklower * @(#)ns_error.h 7.2 (Berkeley) 01/20/88 1323207Smckusick */ 1421484Ssklower 1521484Ssklower /* 1621484Ssklower * Xerox NS error messages 1721484Ssklower */ 1821484Ssklower 1921484Ssklower struct ns_errp { 2021484Ssklower u_short ns_err_num; /* Error Number */ 2121484Ssklower u_short ns_err_param; /* Error Parameter */ 2221484Ssklower struct idp ns_err_idp; /* Initial segment of offending 2321484Ssklower packet */ 2421484Ssklower u_char ns_err_lev2[12]; /* at least this much higher 2521484Ssklower level protocol */ 2621484Ssklower }; 2721484Ssklower struct ns_epidp { 2821484Ssklower struct idp ns_ep_idp; 2921484Ssklower struct ns_errp ns_ep_errp; 3021484Ssklower }; 3121484Ssklower 3221484Ssklower #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ 3321484Ssklower #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ 3421484Ssklower #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ 3521484Ssklower #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ 3621484Ssklower #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ 3721484Ssklower #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ 3821484Ssklower #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ 3921484Ssklower #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ 4021484Ssklower #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through 4121484Ssklower some intermediate gateway. The error 4221484Ssklower parameter field contains the max packet 4321484Ssklower size that can be accommodated */ 4421484Ssklower #define NS_ERR_ATHOST 4 4521484Ssklower #define NS_ERR_ENROUTE 5 4621484Ssklower #define NS_ERR_MAX (NS_ERR_ATHOST + NS_ERR_ENROUTE + 1) 4721484Ssklower #define ns_err_x(c) (((c)&0x200) ? ((c) - 0x200 + NS_ERR_ATHOST) : c ) 4821484Ssklower 4921484Ssklower /* 5021484Ssklower * Variables related to this implementation 5121484Ssklower * of the network systems error message protocol. 5221484Ssklower */ 5321484Ssklower struct ns_errstat { 5421484Ssklower /* statistics related to ns_err packets generated */ 5521484Ssklower int ns_es_error; /* # of calls to ns_error */ 5621484Ssklower int ns_es_oldshort; /* no error 'cuz old ip too short */ 5721484Ssklower int ns_es_oldns_err; /* no error 'cuz old was ns_err */ 5821484Ssklower int ns_es_outhist[NS_ERR_MAX]; 5921484Ssklower /* statistics related to input messages processed */ 6021484Ssklower int ns_es_badcode; /* ns_err_code out of range */ 6121484Ssklower int ns_es_tooshort; /* packet < IDP_MINLEN */ 6221484Ssklower int ns_es_checksum; /* bad checksum */ 6321484Ssklower int ns_es_badlen; /* calculated bound mismatch */ 6421484Ssklower int ns_es_reflect; /* number of responses */ 6521484Ssklower int ns_es_inhist[NS_ERR_MAX]; 6621484Ssklower }; 6721484Ssklower 6821484Ssklower #ifdef KERNEL 6921484Ssklower struct ns_errstat ns_errstat; 7021484Ssklower #endif 71