Annotation of XNU/bsd/netat/nbp.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  *
        !            24:  *
        !            25:  * ORIGINS: 82
        !            26:  *
        !            27:  * (C) COPYRIGHT Apple Computer, Inc. 1992-1996
        !            28:  * All Rights Reserved
        !            29:  *
        !            30:  */                                                                   
        !            31: /*
        !            32:  *     Copyright (c) 1988, 1989 Apple Computer, Inc. 
        !            33:  *
        !            34:  *     The information contained herein is subject to change without
        !            35:  *     notice and  should not be  construed as a commitment by Apple
        !            36:  *     Computer, Inc. Apple Computer, Inc. assumes no responsibility
        !            37:  *     for any errors that may appear.
        !            38:  *
        !            39:  *     Confidential and Proprietary to Apple Computer, Inc.
        !            40:  */
        !            41: /*
        !            42:  * Title:      nbp.h
        !            43:  *
        !            44:  * Facility:   Include file for NBP kernel module.
        !            45:  *
        !            46:  * Author:     Kumar Vora, Creation Date: May-1-1989
        !            47:  *
        !            48:  * History:
        !            49:  * X01-001     Kumar Vora      May-1-1989
        !            50:  *             Initial Creation.
        !            51:  */
        !            52: 
        !            53: #ifndef _NETAT_NBP_H_
        !            54: #define _NETAT_NBP_H_
        !            55: 
        !            56: /* NBP packet types */
        !            57: 
        !            58: #define NBP_BRRQ               0x01    /* Broadcast request */
        !            59: #define NBP_LKUP               0x02    /* Lookup */
        !            60: #define NBP_LKUP_REPLY         0x03    /* Lookup reply */
        !            61: #define NBP_FWDRQ              0x04    /* Forward Request (router only) */
        !            62: 
        !            63: /* *** the following may be discontinued in the near future *** */
        !            64: 
        !            65: #define NBP_CONFIRM            0x09    /* Confirm, not sent on wire */
        !            66: 
        !            67: #ifdef NOT_USED
        !            68: #define NBP_REGISTER           0x07    /* Register a name */
        !            69: #define NBP_DELETE             0x08    /* Delete a name */
        !            70: #define NBP_STATUS_REPLY       0x0a    /* Status on register/delete */
        !            71: #define        NBP_CLOSE_NOTE          0x0b    /* Close notification from DDP */
        !            72: #endif
        !            73: 
        !            74: /* *** **************************************************** *** */
        !            75: 
        !            76: /* Protocol defaults */
        !            77: 
        !            78: #define NBP_RETRY_COUNT                8       /* Maximum repeats */
        !            79: #define NBP_RETRY_INTERVAL     1       /* Retry timeout */
        !            80: 
        !            81: /* Special (partial) wildcard character */
        !            82: #define        NBP_SPL_WILDCARD        0xC5
        !            83: #define        NBP_ORD_WILDCARD        '='
        !            84: 
        !            85: /* Packet definitions */
        !            86: 
        !            87: #define NBP_TUPLE_MAX  15      /* Maximum number of tuples in one DDP packet */
        !            88: #define        NBP_HDR_SIZE    2
        !            89: 
        !            90: typedef struct at_nbp {
        !            91:         unsigned       control : 4,
        !            92:                        tuple_count : 4;
        !            93:        u_char          at_nbp_id;
        !            94:        at_nbptuple_t   tuple[NBP_TUPLE_MAX];
        !            95: } at_nbp_t;
        !            96: 
        !            97: #define DEFAULT_ZONE(zone) (!(zone)->len || ((zone)->len == 1 && (zone)->str[0] == '*'))
        !            98: 
        !            99: #ifdef KERNEL
        !           100: 
        !           101: /* Struct for name registry */
        !           102: typedef struct _nve_ {
        !           103:        TAILQ_ENTRY(_nve_) nve_link; /* tailq macro glue */
        !           104:        gbuf_t          *tag;           /*pointer to the parent gbuf_t*/
        !           105:                                        /* *** there's no reason why tag has to
        !           106:                                           be an mbuf *** */
        !           107:        at_nvestr_t     zone;
        !           108:        u_int           zone_hash;
        !           109:        at_nvestr_t     object;
        !           110:        u_int           object_hash;
        !           111:        at_nvestr_t     type;
        !           112:        u_int           type_hash;
        !           113:        at_inet_t       address;
        !           114:        u_char          ddptype;
        !           115:        u_char          enumerator;
        !           116:        int             pid;
        !           117:        long            unique_nbp_id;  /* long to be compatible with OT */
        !           118: } nve_entry_t;
        !           119: 
        !           120: #define        NBP_WILD_OBJECT 0x01
        !           121: #define        NBP_WILD_TYPE   0x02
        !           122: #define        NBP_WILD_MASK   0x03
        !           123: 
        !           124: typedef        struct  nbp_req {
        !           125:        int             (*func)();
        !           126:        gbuf_t          *response;      /* the response datagram        */
        !           127:        int             space_unused;   /* Space available in the resp  */
        !           128:                                        /* packet.                      */
        !           129:        gbuf_t          *request;       /* The request datagram         */
        !           130:                                        /* Saved for return address     */
        !           131:        nve_entry_t     nve;
        !           132:        u_char          flags;          /* Flags to indicate whether or */
        !           133:                                        /* not the request tuple has    */
        !           134:                                        /* wildcards in it              */
        !           135: } nbp_req_t;
        !           136: 
        !           137: extern int     nbp_insert_entry(nve_entry_t *);
        !           138: extern u_int   nbp_strhash (at_nvestr_t *);
        !           139: extern nve_entry_t *nbp_find_nve(nve_entry_t *);
        !           140: extern int     nbp_fillin_nve();
        !           141: 
        !           142: extern at_nvestr_t *getSPLocalZone(int);
        !           143: extern at_nvestr_t *getLocalZone(int);
        !           144: 
        !           145: #endif /* KERNEL */
        !           146: #endif /* _NETAT_NBP_H_ */

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