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Annotation of kernel/bsd/netat/at/nbp.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  *
        !            27:  *
        !            28:  * ORIGINS: 82
        !            29:  *
        !            30:  * APPLE CONFIDENTIAL
        !            31:  * (C) COPYRIGHT Apple Computer, Inc. 1992-1996
        !            32:  * All Rights Reserved
        !            33:  *
        !            34:  */                                                                   
        !            35: 
        !            36: 
        !            37: #ifndef __NBP__
        !            38: #define __NBP__
        !            39: 
        !            40: /* NBP DDP socket type */
        !            41: #define  NBP_DDP_TYPE          0x02    /* NBP packet */
        !            42: 
        !            43: /* NBP DDP socket number */
        !            44: #define  NBP_SOCKET            0x02    /* NIS socket number */
        !            45: 
        !            46: 
        !            47: /* NBP packet types */
        !            48: 
        !            49: #define NBP_BRRQ                       0x01    /* Broadcast request */
        !            50: #define NBP_LKUP               0x02    /* Lookup */
        !            51: #define NBP_LKUP_REPLY         0x03    /* Lookup reply */
        !            52: #define NBP_FWDRQ                      0x04    /* Forward Request (router only) */
        !            53: #define NBP_REGISTER           0x07    /* Register a name */
        !            54: #define NBP_DELETE             0x08    /* Delete a name */
        !            55: #define NBP_CONFIRM            0x09    /* Confirm, not sent on wire */
        !            56: #define NBP_STATUS_REPLY       0x0a    /* Status on register/delete */
        !            57: #define        NBP_CLOSE_NOTE          0x0b    /* Close notification from DDP */
        !            58: 
        !            59: 
        !            60: /* Protocol defaults */
        !            61: 
        !            62: #define NBP_RETRY_COUNT                8       /* Maximum repeats */
        !            63: #define NBP_RETRY_INTERVAL     1       /* Retry timeout */
        !            64: 
        !            65: 
        !            66: /* Special (partial) wildcard character */
        !            67: #define        NBP_SPL_WILDCARD        0xC5
        !            68: #define        NBP_ORD_WILDCARD        '='
        !            69: 
        !            70: 
        !            71: #define NBP_NVE_STR_SIZE       32      /* Maximum NBP tuple string size */
        !            72: typedef struct at_nvestr {
        !            73:        u_char          len;
        !            74:        u_char          str[NBP_NVE_STR_SIZE];
        !            75: } at_nvestr_t;
        !            76: 
        !            77: 
        !            78: /* Entity Name */
        !            79: 
        !            80: typedef struct at_entity {
        !            81:        at_nvestr_t     object;
        !            82:        at_nvestr_t     type;
        !            83:        at_nvestr_t     zone;
        !            84: } at_entity_t;
        !            85: 
        !            86: 
        !            87: /* Packet definitions */
        !            88: 
        !            89: #define NBP_TUPLE_SIZE ((3*NBP_NVE_STR_SIZE)+3) /* 3 for field lengths + 3*32 for three names */
        !            90: #define NBP_TUPLE_MAX  15      /* Maximum number of tuples in one DDP packet */
        !            91: #define        NBP_HDR_SIZE    2
        !            92: 
        !            93: typedef struct at_nbptuple {
        !            94:        at_inet_t       enu_addr;
        !            95:        union {
        !            96:          struct {
        !            97:             u_char     enumerator;
        !            98:            at_entity_t entity;
        !            99:          } en_se;
        !           100:          struct {
        !           101:             u_char     enumerator;
        !           102:             u_char     name[NBP_TUPLE_SIZE];
        !           103:          } en_sn;
        !           104:        } en_u;
        !           105: } at_nbptuple_t;
        !           106: 
        !           107: /* Some macros for easier access to the tuple union */
        !           108: #define        enu_enum        en_u.en_sn.enumerator
        !           109: #define        enu_name        en_u.en_sn.name
        !           110: #define        enu_entity      en_u.en_se.entity
        !           111: 
        !           112: 
        !           113: typedef struct at_nbp {
        !           114:         unsigned       control : 4,
        !           115:                        tuple_count : 4;
        !           116: /* fix for bug 2228529: 
        !           117:         u_char         id;*/
        !           118:        u_char          at_nbp_id;
        !           119:        at_nbptuple_t   tuple[NBP_TUPLE_MAX];
        !           120: } at_nbp_t;
        !           121: 
        !           122:        /* misc */
        !           123: #define IF_NAME_LEN            5
        !           124: 
        !           125: #endif /* __NBP__ */
        !           126: 

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