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Annotation of XNU/iokit/Families/IONetworking/IONetworkStack.h, revision 1.1.1.1

1.1       root        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: #include <libkern/c++/OSString.h>
                     35: 
                     36: class IONetworkInterface;
                     37: 
                     38: class IONetworkStack : public IOService
                     39: {
                     40:     OSDeclareDefaultStructors(IONetworkStack)
                     41: 
                     42: private:
                     43:     IONetworkInterface *    _netif;     // provider.
                     44:     struct ifnet *          _ifp;       // provider's ifnet pointer.
                     45:     IOLock *                _lock;      // serialization lock.
                     46: 
                     47:     enum {
                     48:         kIONetworkStackStateInit,
                     49:         kIONetworkStackStateAttached,
                     50:         kIONetworkStackStateDetaching,
                     51:         kIONetworkStackStateDetached,
                     52:     } _state;
                     53: 
                     54:     OSString * _assignInterfaceName(IONetworkInterface * netif);
                     55: 
                     56:     static void initialize();
                     57: 
                     58:     static void ifDetachCallbackHandler(struct ifnet * ifp);
                     59: 
                     60: protected:
                     61:     virtual void free();    
                     62: 
                     63:     virtual bool sendIfDetachRequest();
                     64:     virtual void ifDetachCallback();
                     65: 
                     66: public:
                     67:     virtual bool init(OSDictionary * properties);
                     68: 
                     69:     virtual IOService * probe(IOService * provider, SInt32 * score);
                     70:     
                     71:     virtual bool start(IOService * provider);
                     72:     
                     73:     virtual void stop(IOService * provider);
                     74:     
                     75:     virtual IOReturn message(UInt32 type, IOService * provider,
                     76:                              void * argument = 0);
                     77: };
                     78: 
                     79: #endif /* !_IONETWORKSTACK_H */

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