123207Smckusick /* 2*63231Sbostic * Copyright (c) 1984, 1988, 1993 3*63231Sbostic * The Regents of the University of California. All rights reserved. 423207Smckusick * 544502Sbostic * %sccs.include.redist.c% 633371Ssklower * 7*63231Sbostic * @(#)ns_error.h 8.1 (Berkeley) 06/10/93 823207Smckusick */ 921484Ssklower 1021484Ssklower /* 1121484Ssklower * Xerox NS error messages 1221484Ssklower */ 1321484Ssklower 1421484Ssklower struct ns_errp { 1521484Ssklower u_short ns_err_num; /* Error Number */ 1621484Ssklower u_short ns_err_param; /* Error Parameter */ 1721484Ssklower struct idp ns_err_idp; /* Initial segment of offending 1821484Ssklower packet */ 1921484Ssklower u_char ns_err_lev2[12]; /* at least this much higher 2021484Ssklower level protocol */ 2121484Ssklower }; 2221484Ssklower struct ns_epidp { 2321484Ssklower struct idp ns_ep_idp; 2421484Ssklower struct ns_errp ns_ep_errp; 2521484Ssklower }; 2621484Ssklower 2721484Ssklower #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ 2821484Ssklower #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ 2921484Ssklower #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ 3021484Ssklower #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ 3121484Ssklower #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ 3221484Ssklower #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ 3321484Ssklower #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ 3421484Ssklower #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ 3521484Ssklower #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through 3621484Ssklower some intermediate gateway. The error 3721484Ssklower parameter field contains the max packet 3821484Ssklower size that can be accommodated */ 3933411Ssklower #define NS_ERR_MAX 20 4021484Ssklower 4121484Ssklower /* 4221484Ssklower * Variables related to this implementation 4321484Ssklower * of the network systems error message protocol. 4421484Ssklower */ 4521484Ssklower struct ns_errstat { 4621484Ssklower /* statistics related to ns_err packets generated */ 4721484Ssklower int ns_es_error; /* # of calls to ns_error */ 4821484Ssklower int ns_es_oldshort; /* no error 'cuz old ip too short */ 4921484Ssklower int ns_es_oldns_err; /* no error 'cuz old was ns_err */ 5021484Ssklower int ns_es_outhist[NS_ERR_MAX]; 5121484Ssklower /* statistics related to input messages processed */ 5221484Ssklower int ns_es_badcode; /* ns_err_code out of range */ 5321484Ssklower int ns_es_tooshort; /* packet < IDP_MINLEN */ 5421484Ssklower int ns_es_checksum; /* bad checksum */ 5521484Ssklower int ns_es_badlen; /* calculated bound mismatch */ 5621484Ssklower int ns_es_reflect; /* number of responses */ 5721484Ssklower int ns_es_inhist[NS_ERR_MAX]; 5833411Ssklower u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist 5933411Ssklower since we might not know all */ 6021484Ssklower }; 6121484Ssklower 6221484Ssklower #ifdef KERNEL 6321484Ssklower struct ns_errstat ns_errstat; 6421484Ssklower #endif 65