1*21484Ssklower /* ns_error.h 6.1 85/05/30 */ 2*21484Ssklower 3*21484Ssklower /* 4*21484Ssklower * Xerox NS error messages 5*21484Ssklower */ 6*21484Ssklower 7*21484Ssklower struct ns_errp { 8*21484Ssklower u_short ns_err_num; /* Error Number */ 9*21484Ssklower u_short ns_err_param; /* Error Parameter */ 10*21484Ssklower struct idp ns_err_idp; /* Initial segment of offending 11*21484Ssklower packet */ 12*21484Ssklower u_char ns_err_lev2[12]; /* at least this much higher 13*21484Ssklower level protocol */ 14*21484Ssklower }; 15*21484Ssklower struct ns_epidp { 16*21484Ssklower struct idp ns_ep_idp; 17*21484Ssklower struct ns_errp ns_ep_errp; 18*21484Ssklower }; 19*21484Ssklower 20*21484Ssklower #define NS_ERR_UNSPEC 0 /* Unspecified Error detected at dest. */ 21*21484Ssklower #define NS_ERR_BADSUM 1 /* Bad Checksum detected at dest */ 22*21484Ssklower #define NS_ERR_NOSOCK 2 /* Specified socket does not exist at dest*/ 23*21484Ssklower #define NS_ERR_FULLUP 3 /* Dest. refuses packet due to resource lim.*/ 24*21484Ssklower #define NS_ERR_UNSPEC_T 0x200 /* Unspec. Error occured before reaching dest*/ 25*21484Ssklower #define NS_ERR_BADSUM_T 0x201 /* Bad Checksum detected in transit */ 26*21484Ssklower #define NS_ERR_UNREACH_HOST 0x202 /* Dest cannot be reached from here*/ 27*21484Ssklower #define NS_ERR_TOO_OLD 0x203 /* Packet x'd 15 routers without delivery*/ 28*21484Ssklower #define NS_ERR_TOO_BIG 0x204 /* Packet too large to be forwarded through 29*21484Ssklower some intermediate gateway. The error 30*21484Ssklower parameter field contains the max packet 31*21484Ssklower size that can be accommodated */ 32*21484Ssklower #define NS_ERR_ATHOST 4 33*21484Ssklower #define NS_ERR_ENROUTE 5 34*21484Ssklower #define NS_ERR_MAX (NS_ERR_ATHOST + NS_ERR_ENROUTE + 1) 35*21484Ssklower #define ns_err_x(c) (((c)&0x200) ? ((c) - 0x200 + NS_ERR_ATHOST) : c ) 36*21484Ssklower 37*21484Ssklower /* 38*21484Ssklower * Variables related to this implementation 39*21484Ssklower * of the network systems error message protocol. 40*21484Ssklower */ 41*21484Ssklower struct ns_errstat { 42*21484Ssklower /* statistics related to ns_err packets generated */ 43*21484Ssklower int ns_es_error; /* # of calls to ns_error */ 44*21484Ssklower int ns_es_oldshort; /* no error 'cuz old ip too short */ 45*21484Ssklower int ns_es_oldns_err; /* no error 'cuz old was ns_err */ 46*21484Ssklower int ns_es_outhist[NS_ERR_MAX]; 47*21484Ssklower /* statistics related to input messages processed */ 48*21484Ssklower int ns_es_badcode; /* ns_err_code out of range */ 49*21484Ssklower int ns_es_tooshort; /* packet < IDP_MINLEN */ 50*21484Ssklower int ns_es_checksum; /* bad checksum */ 51*21484Ssklower int ns_es_badlen; /* calculated bound mismatch */ 52*21484Ssklower int ns_es_reflect; /* number of responses */ 53*21484Ssklower int ns_es_inhist[NS_ERR_MAX]; 54*21484Ssklower }; 55*21484Ssklower 56*21484Ssklower #ifdef KERNEL 57*21484Ssklower struct ns_errstat ns_errstat; 58*21484Ssklower #endif 59