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	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_ */