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Annotation of 43BSDReno/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 is only permitted until one year after the first shipment
        !             6:  * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
        !             7:  * binary forms are permitted provided that: (1) source distributions retain
        !             8:  * this entire copyright notice and comment, and (2) distributions including
        !             9:  * binaries display the following acknowledgement:  This product includes
        !            10:  * software developed by the University of California, Berkeley and its
        !            11:  * contributors'' in the documentation or other materials provided with the
        !            12:  * distribution and in all advertising materials mentioning features or use
        !            13:  * of this software.  Neither the name of the University nor the names of
        !            14:  * its contributors may be used to endorse or promote products derived from
        !            15:  * this software without specific prior written permission.
        !            16:  * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            17:  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            18:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            19:  *
        !            20:  *     @(#)ns_error.h  7.5 (Berkeley) 6/28/90
        !            21:  */
        !            22: 
        !            23: /*
        !            24:  * Xerox NS error messages
        !            25:  */
        !            26: 
        !            27: struct ns_errp {
        !            28:        u_short         ns_err_num;             /* Error Number */
        !            29:        u_short         ns_err_param;           /* Error Parameter */
        !            30:        struct idp      ns_err_idp;             /* Initial segment of offending
        !            31:                                                   packet */
        !            32:        u_char          ns_err_lev2[12];        /* at least this much higher
        !            33:                                                   level protocol */
        !            34: };
        !            35: struct  ns_epidp {
        !            36:        struct idp ns_ep_idp;
        !            37:        struct ns_errp ns_ep_errp;
        !            38: };
        !            39: 
        !            40: #define        NS_ERR_UNSPEC   0       /* Unspecified Error detected at dest. */
        !            41: #define        NS_ERR_BADSUM   1       /* Bad Checksum detected at dest */
        !            42: #define        NS_ERR_NOSOCK   2       /* Specified socket does not exist at dest*/
        !            43: #define        NS_ERR_FULLUP   3       /* Dest. refuses packet due to resource lim.*/
        !            44: #define        NS_ERR_UNSPEC_T 0x200   /* Unspec. Error occured before reaching dest*/
        !            45: #define        NS_ERR_BADSUM_T 0x201   /* Bad Checksum detected in transit */
        !            46: #define        NS_ERR_UNREACH_HOST     0x202   /* Dest cannot be reached from here*/
        !            47: #define        NS_ERR_TOO_OLD  0x203   /* Packet x'd 15 routers without delivery*/
        !            48: #define        NS_ERR_TOO_BIG  0x204   /* Packet too large to be forwarded through
        !            49:                                   some intermediate gateway.  The error
        !            50:                                   parameter field contains the max packet
        !            51:                                   size that can be accommodated */
        !            52: #define NS_ERR_MAX 20
        !            53: 
        !            54: /*
        !            55:  * Variables related to this implementation
        !            56:  * of the network systems error message protocol.
        !            57:  */
        !            58: struct ns_errstat {
        !            59: /* statistics related to ns_err packets generated */
        !            60:        int     ns_es_error;            /* # of calls to ns_error */
        !            61:        int     ns_es_oldshort;         /* no error 'cuz old ip too short */
        !            62:        int     ns_es_oldns_err;        /* no error 'cuz old was ns_err */
        !            63:        int     ns_es_outhist[NS_ERR_MAX];
        !            64: /* statistics related to input messages processed */
        !            65:        int     ns_es_badcode;          /* ns_err_code out of range */
        !            66:        int     ns_es_tooshort;         /* packet < IDP_MINLEN */
        !            67:        int     ns_es_checksum;         /* bad checksum */
        !            68:        int     ns_es_badlen;           /* calculated bound mismatch */
        !            69:        int     ns_es_reflect;          /* number of responses */
        !            70:        int     ns_es_inhist[NS_ERR_MAX];
        !            71:        u_short ns_es_codes[NS_ERR_MAX];/* which error code for outhist
        !            72:                                           since we might not know all */
        !            73: };
        !            74: 
        !            75: #ifdef KERNEL
        !            76: struct ns_errstat ns_errstat;
        !            77: #endif

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