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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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