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Annotation of 43BSDTahoe/sys/netns/ns_error.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1984, 1988 Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms are permitted
        !             6:  * provided that the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  *
        !            17:  *     @(#)ns_error.h  7.4 (Berkeley) 6/29/88
        !            18:  */
        !            19: 
        !            20: /*
        !            21:  * Xerox NS error messages
        !            22:  */
        !            23: 
        !            24: struct ns_errp {
        !            25:        u_short         ns_err_num;             /* Error Number */
        !            26:        u_short         ns_err_param;           /* Error Parameter */
        !            27:        struct idp      ns_err_idp;             /* Initial segment of offending
        !            28:                                                   packet */
        !            29:        u_char          ns_err_lev2[12];        /* at least this much higher
        !            30:                                                   level protocol */
        !            31: };
        !            32: struct  ns_epidp {
        !            33:        struct idp ns_ep_idp;
        !            34:        struct ns_errp ns_ep_errp;
        !            35: };
        !            36: 
        !            37: #define        NS_ERR_UNSPEC   0       /* Unspecified Error detected at dest. */
        !            38: #define        NS_ERR_BADSUM   1       /* Bad Checksum detected at dest */
        !            39: #define        NS_ERR_NOSOCK   2       /* Specified socket does not exist at dest*/
        !            40: #define        NS_ERR_FULLUP   3       /* Dest. refuses packet due to resource lim.*/
        !            41: #define        NS_ERR_UNSPEC_T 0x200   /* Unspec. Error occured before reaching dest*/
        !            42: #define        NS_ERR_BADSUM_T 0x201   /* Bad Checksum detected in transit */
        !            43: #define        NS_ERR_UNREACH_HOST     0x202   /* Dest cannot be reached from here*/
        !            44: #define        NS_ERR_TOO_OLD  0x203   /* Packet x'd 15 routers without delivery*/
        !            45: #define        NS_ERR_TOO_BIG  0x204   /* Packet too large to be forwarded through
        !            46:                                   some intermediate gateway.  The error
        !            47:                                   parameter field contains the max packet
        !            48:                                   size that can be accommodated */
        !            49: #define NS_ERR_MAX 20
        !            50: 
        !            51: /*
        !            52:  * Variables related to this implementation
        !            53:  * of the network systems error message protocol.
        !            54:  */
        !            55: struct ns_errstat {
        !            56: /* statistics related to ns_err packets generated */
        !            57:        int     ns_es_error;            /* # of calls to ns_error */
        !            58:        int     ns_es_oldshort;         /* no error 'cuz old ip too short */
        !            59:        int     ns_es_oldns_err;        /* no error 'cuz old was ns_err */
        !            60:        int     ns_es_outhist[NS_ERR_MAX];
        !            61: /* statistics related to input messages processed */
        !            62:        int     ns_es_badcode;          /* ns_err_code out of range */
        !            63:        int     ns_es_tooshort;         /* packet < IDP_MINLEN */
        !            64:        int     ns_es_checksum;         /* bad checksum */
        !            65:        int     ns_es_badlen;           /* calculated bound mismatch */
        !            66:        int     ns_es_reflect;          /* number of responses */
        !            67:        int     ns_es_inhist[NS_ERR_MAX];
        !            68:        u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist
        !            69:                                           since we might not know all */
        !            70: };
        !            71: 
        !            72: #ifdef KERNEL
        !            73: struct ns_errstat ns_errstat;
        !            74: #endif

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