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Commit	Line	Data
	1	/*
	2	* Copyright (c) 1998-2000 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	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	24	*
	25	* IONetworkStack.h - An IOKit proxy for the BSD network stack.
	26	*
	27	* HISTORY
	28	*
	29	*/
	30
	31	#ifndef _IONETWORKSTACK_H
	32	#define _IONETWORKSTACK_H
	33
	34	// User-client keys
	35	//
	36	#define kIONetworkStackUserCommand "IONetworkStackUserCommand"
	37	enum {
	38	kIORegisterOne = 1,
	39	kIORegisterAll
	40	};
	41
	42	#ifdef KERNEL
	43
	44	class IONetworkInterface;
	45
	46	class IONetworkStack : public IOService
	47	{
	48	OSDeclareDefaultStructors( IONetworkStack )
	49
	50	protected:
	51	OSOrderedSet * _ifSet;
	52	OSDictionary * _ifDict;
	53	IONotifier * _interfaceNotifier;
	54	bool _registerPrimaryInterface;
	55
	56	struct ExpansionData { };
	57	/*! @var reserved
	58	Reserved for future use. (Internal use only) */
	59	ExpansionData *_reserved;
	60
	61
	62	static bool interfacePublished( void * target,
	63	void * param,
	64	IOService * service );
	65
	66	static void unregisterBSDInterface( IONetworkInterface * netif );
	67
	68	static void registerBSDInterface( IONetworkInterface * netif );
	69
	70	static SInt32 orderRegisteredInterfaces( const OSMetaClassBase * obj1,
	71	const OSMetaClassBase * obj2,
	72	void * ref );
	73
	74	static void completeRegistrationUsingArray( OSArray * array );
	75
	76	static void completeRegistration( OSArray * array, bool isSync );
	77
	78	virtual void free();
	79
	80	virtual bool addInterface( IONetworkInterface * netif );
	81
	82	virtual void removeInterface( IONetworkInterface * netif );
	83
	84	virtual IONetworkInterface * getInterface( UInt32 index );
	85
	86	virtual bool containsInterface( IONetworkInterface * netif );
	87
	88	virtual bool addRegisteredInterface( IONetworkInterface * netif );
	89
	90	virtual void removeRegisteredInterface( IONetworkInterface * netif );
	91
	92	virtual IONetworkInterface * getRegisteredInterface( const char * name,
	93	UInt32 unit );
	94
	95	virtual IONetworkInterface * getLastRegisteredInterface(const char * name);
	96
	97	virtual UInt32 getNextAvailableUnitNumber( const char * name,
	98	UInt32 startingUnit = 0 );
	99
	100	virtual bool preRegisterInterface( IONetworkInterface * netif,
	101	const char * name,
	102	UInt32 unit,
	103	OSArray * array );
	104
	105	public:
	106	static IONetworkStack * getNetworkStack();
	107
	108	static int bsdInterfaceWasUnregistered( struct ifnet * ifp );
	109
	110	virtual bool init( OSDictionary * properties );
	111
	112	virtual bool start( IOService * provider );
	113
	114	virtual void stop( IOService * provider );
	115
	116	virtual IOReturn registerAllInterfaces();
	117
	118	virtual IOReturn registerPrimaryInterface( bool enable );
	119
	120	virtual IOReturn registerInterface( IONetworkInterface * netif,
	121	const char * name,
	122	UInt32 unit = 0,
	123	bool isSync = true );
	124
	125	virtual IOReturn message( UInt32 type,
	126	IOService * provider,
	127	void * argument = 0 );
	128
	129	virtual IOReturn newUserClient( task_t owningTask,
	130	void * security_id,
	131	UInt32 type,
	132	IOUserClient ** handler );
	133
	134	// Virtual function padding
	135	OSMetaClassDeclareReservedUnused( IONetworkStack, 0);
	136	OSMetaClassDeclareReservedUnused( IONetworkStack, 1);
	137	OSMetaClassDeclareReservedUnused( IONetworkStack, 2);
	138	OSMetaClassDeclareReservedUnused( IONetworkStack, 3);
	139
	140	};
	141
	142	#endif /* KERNEL */
	143
	144	#endif /* !_IONETWORKSTACK_H */