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	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	*
	27	*
	28	* ORIGINS: 82
	29	*
	30	* (C) COPYRIGHT Apple Computer, Inc. 1992-1996
	31	* All Rights Reserved
	32	*
	33	*/
	34	/*
	35	* Copyright (c) 1988, 1989 Apple Computer, Inc.
	36	*
	37	* The information contained herein is subject to change without
	38	* notice and should not be construed as a commitment by Apple
	39	* Computer, Inc. Apple Computer, Inc. assumes no responsibility
	40	* for any errors that may appear.
	41	*
	42	* Confidential and Proprietary to Apple Computer, Inc.
	43	*/
	44	/*
	45	* Title: nbp.h
	46	*
	47	* Facility: Include file for NBP kernel module.
	48	*
	49	* Author: Kumar Vora, Creation Date: May-1-1989
	50	*
	51	* History:
	52	* X01-001 Kumar Vora May-1-1989
	53	* Initial Creation.
	54	*/
	55
	56	#ifndef _NETAT_NBP_H_
	57	#define _NETAT_NBP_H_
	58	#include <sys/appleapiopts.h>
	59
	60	/* NBP packet types */
	61
	62	#define NBP_BRRQ 0x01 /* Broadcast request */
	63	#define NBP_LKUP 0x02 /* Lookup */
	64	#define NBP_LKUP_REPLY 0x03 /* Lookup reply */
	65	#define NBP_FWDRQ 0x04 /* Forward Request (router only) */
	66
	67	/* * the following may be discontinued in the near future * */
	68
	69	#define NBP_CONFIRM 0x09 /* Confirm, not sent on wire */
	70
	71	#ifdef NOT_USED
	72	#define NBP_REGISTER 0x07 /* Register a name */
	73	#define NBP_DELETE 0x08 /* Delete a name */
	74	#define NBP_STATUS_REPLY 0x0a /* Status on register/delete */
	75	#define NBP_CLOSE_NOTE 0x0b /* Close notification from DDP */
	76	#endif
	77
	78	/* * ************************************************ * */
	79
	80	/* Protocol defaults */
	81
	82	#define NBP_RETRY_COUNT 8 /* Maximum repeats */
	83	#define NBP_RETRY_INTERVAL 1 /* Retry timeout */
	84
	85	/* Special (partial) wildcard character */
	86	#define NBP_SPL_WILDCARD 0xC5
	87	#define NBP_ORD_WILDCARD '='
	88
	89	/* Packet definitions */
	90
	91	#define NBP_TUPLE_MAX 15 /* Maximum number of tuples in one DDP packet */
	92	#define NBP_HDR_SIZE 2
	93
	94	typedef struct at_nbp {
	95	unsigned control : 4,
	96	tuple_count : 4;
	97	u_char at_nbp_id;
	98	at_nbptuple_t tuple[NBP_TUPLE_MAX];
	99	} at_nbp_t;
	100
	101	#define DEFAULT_ZONE(zone) (!(zone)->len \|\| ((zone)->len == 1 && (zone)->str[0] == '*'))
	102
	103	#ifdef KERNEL
	104	#ifdef __APPLE_API_PRIVATE
	105
	106	/* Struct for name registry */
	107	typedef struct _nve_ {
	108	TAILQ_ENTRY(_nve_) nve_link; /* tailq macro glue */
	109	gbuf_t tag; /pointer to the parent gbuf_t*/
	110	/* *** there's no reason why tag has to
	111	be an mbuf *** */
	112	at_nvestr_t zone;
	113	u_int zone_hash;
	114	at_nvestr_t object;
	115	u_int object_hash;
	116	at_nvestr_t type;
	117	u_int type_hash;
	118	at_inet_t address;
	119	u_char ddptype;
	120	u_char enumerator;
	121	int pid;
	122	long unique_nbp_id; /* long to be compatible with OT */
	123	} nve_entry_t;
	124
	125	#define NBP_WILD_OBJECT 0x01
	126	#define NBP_WILD_TYPE 0x02
	127	#define NBP_WILD_MASK 0x03
	128
	129	typedef struct nbp_req {
	130	int (*func)();
	131	gbuf_t response; / the response datagram */
	132	int space_unused; /* Space available in the resp */
	133	/* packet. */
	134	gbuf_t request; / The request datagram */
	135	/* Saved for return address */
	136	nve_entry_t nve;
	137	u_char flags; /* Flags to indicate whether or */
	138	/* not the request tuple has */
	139	/* wildcards in it */
	140	} nbp_req_t;
	141
	142	extern int nbp_insert_entry(nve_entry_t *);
	143	extern u_int nbp_strhash (at_nvestr_t *);
	144	extern nve_entry_t nbp_find_nve(nve_entry_t );
	145	extern int nbp_fillin_nve();
	146
	147	extern at_nvestr_t *getSPLocalZone(int);
	148	extern at_nvestr_t *getLocalZone(int);
	149
	150	#endif /* __APPLE_API_PRIVATE */
	151	#endif /* KERNEL */
	152	#endif /* _NETAT_NBP_H_ */