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	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	*
	30	*
	31	* ORIGINS: 82
	32	*
	33	* (C) COPYRIGHT Apple Computer, Inc. 1992-1996
	34	* All Rights Reserved
	35	*
	36	*/
	37	/*
	38	* Copyright (c) 1988, 1989 Apple Computer, Inc.
	39	*
	40	* The information contained herein is subject to change without
	41	* notice and should not be construed as a commitment by Apple
	42	* Computer, Inc. Apple Computer, Inc. assumes no responsibility
	43	* for any errors that may appear.
	44	*
	45	* Confidential and Proprietary to Apple Computer, Inc.
	46	*/
	47	/*
	48	* Title: nbp.h
	49	*
	50	* Facility: Include file for NBP kernel module.
	51	*
	52	* Author: Kumar Vora, Creation Date: May-1-1989
	53	*
	54	* History:
	55	* X01-001 Kumar Vora May-1-1989
	56	* Initial Creation.
	57	*/
	58
	59	#ifndef _NETAT_NBP_H_
	60	#define _NETAT_NBP_H_
	61	#include <sys/appleapiopts.h>
	62
	63	#ifdef __APPLE_API_OBSOLETE
	64
	65	/* NBP packet types */
	66
	67	#define NBP_BRRQ 0x01 /* Broadcast request */
	68	#define NBP_LKUP 0x02 /* Lookup */
	69	#define NBP_LKUP_REPLY 0x03 /* Lookup reply */
	70	#define NBP_FWDRQ 0x04 /* Forward Request (router only) */
	71
	72	/* * the following may be discontinued in the near future * */
	73
	74	#define NBP_CONFIRM 0x09 /* Confirm, not sent on wire */
	75
	76	#ifdef NOT_USED
	77	#define NBP_REGISTER 0x07 /* Register a name */
	78	#define NBP_DELETE 0x08 /* Delete a name */
	79	#define NBP_STATUS_REPLY 0x0a /* Status on register/delete */
	80	#define NBP_CLOSE_NOTE 0x0b /* Close notification from DDP */
	81	#endif
	82
	83	/* * ************************************************ * */
	84
	85	/* Protocol defaults */
	86
	87	#define NBP_RETRY_COUNT 8 /* Maximum repeats */
	88	#define NBP_RETRY_INTERVAL 1 /* Retry timeout */
	89
	90	/* Special (partial) wildcard character */
	91	#define NBP_SPL_WILDCARD 0xC5
	92	#define NBP_ORD_WILDCARD '='
	93
	94	/* Packet definitions */
	95
	96	#define NBP_TUPLE_MAX 15 /* Maximum number of tuples in one DDP packet */
	97	#define NBP_HDR_SIZE 2
	98
	99	typedef struct at_nbp {
	100	#if BYTE_ORDER == BIG_ENDIAN
	101	unsigned
	102	control : 4,
	103	tuple_count : 4;
	104	#endif
	105	#if BYTE_ORDER == LITTLE_ENDIAN
	106	unsigned
	107	tuple_count : 4,
	108	control : 4;
	109	#endif
	110	u_char at_nbp_id;
	111	at_nbptuple_t tuple[NBP_TUPLE_MAX];
	112	} at_nbp_t;
	113
	114	#define DEFAULT_ZONE(zone) (!(zone)->len \|\| ((zone)->len == 1 && (zone)->str[0] == '*'))
	115
	116	#ifdef KERNEL_PRIVATE
	117
	118	/* Struct for name registry */
	119	typedef struct _nve_ {
	120	TAILQ_ENTRY(_nve_) nve_link; /* tailq macro glue */
	121	gbuf_t tag; /pointer to the parent gbuf_t*/
	122	/* *** there's no reason why tag has to
	123	be an mbuf *** */
	124	at_nvestr_t zone;
	125	u_int zone_hash;
	126	at_nvestr_t object;
	127	u_int object_hash;
	128	at_nvestr_t type;
	129	u_int type_hash;
	130	at_inet_t address;
	131	u_char ddptype;
	132	u_char enumerator;
	133	int pid;
	134	long unique_nbp_id; /* long to be compatible with OT */
	135	} nve_entry_t;
	136
	137	#define NBP_WILD_OBJECT 0x01
	138	#define NBP_WILD_TYPE 0x02
	139	#define NBP_WILD_MASK 0x03
	140
	141	struct nbp_req;
	142	typedef struct nbp_req nbp_req_t;
	143	struct nbp_req {
	144	int (func)(nbp_req_t , nve_entry_t *);
	145	gbuf_t response; / the response datagram */
	146	int space_unused; /* Space available in the resp */
	147	/* packet. */
	148	gbuf_t request; / The request datagram */
	149	/* Saved for return address */
	150	nve_entry_t nve;
	151	u_char flags; /* Flags to indicate whether or */
	152	/* not the request tuple has */
	153	/* wildcards in it */
	154	};
	155
	156	extern int nbp_insert_entry(nve_entry_t *);
	157	extern u_int nbp_strhash (at_nvestr_t *);
	158	extern nve_entry_t nbp_find_nve(nve_entry_t );
	159	extern int nbp_fillin_nve(at_entity_t , nve_entry_t );
	160
	161	extern at_nvestr_t *getSPLocalZone(int);
	162	extern at_nvestr_t *getLocalZone(int);
	163
	164	struct at_ifaddr;
	165	void nbp_add_multicast( at_nvestr_t , struct at_ifaddr );
	166	void nbp_shutdown(void );
	167
	168	int nbp_mh_reg(at_nbp_reg_t *);
	169	int nbp_new_nve_entry(nve_entry_t , struct at_ifaddr );
	170	void nbp_delete_entry(nve_entry_t *);
	171
	172
	173
	174	#endif /* KERNEL_PRIVATE */
	175	#endif /* __APPLE_API_OBSOLETE */
	176	#endif /* _NETAT_NBP_H_ */