author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:41:05 +0100 | |
branch | RCL_3 |
changeset 43 | d3d7683d16f5 |
parent 42 | a828660c511c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Declaration of the RPcmNetCardIf class. |
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* |
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*/ |
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/* |
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* %version: 12 % |
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*/ |
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#if !defined(__ETHERAPI_H__) |
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#define __ETHERAPI_H__ |
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#include "wlanlddcommon.h" |
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#include "FrameXferBlock.h" |
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#ifndef __KERNEL_MODE__ |
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#include <e32std.h> // for RChunk |
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#endif |
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class TCapsPcmNetCd |
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{ |
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public: |
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TVersion version; |
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}; |
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/** |
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* User mode interface for ethernet transfer over WLAN |
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* |
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* @since S60 v3.1 |
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*/ |
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class RPcmNetCardIf : public RBusLogicalChannel |
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{ |
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public: |
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/** The asynchronous call types */ |
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enum TRequest |
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{ |
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ERequestRead, |
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EResumeTx, |
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}; |
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/** The synchronous call types */ |
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enum TControl |
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{ |
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EControlGetConfig, |
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EControlReadCancel, |
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EControlResumeTxCancel, |
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ESvControlInitBuffers, |
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ESvControlFreeBuffers |
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}; |
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/** |
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* Calls executed in the context of the client's thread, but in |
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* supervisor mode |
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*/ |
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enum TControlFast |
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{ |
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EControlFastAllocTxBuffer = 0x0F000000, |
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EControlFastAddTxFrame, |
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}; |
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public: |
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/** |
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* Open a channel |
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* |
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* @since S60 3.1 |
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*/ |
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inline TInt Open() ; |
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/** |
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* Get version numbering information. |
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* |
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* @since S60 3.1 |
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* @return version required |
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*/ |
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inline TVersion VersionRequired() const; |
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/** |
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* Cancel read request. |
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* |
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* @since S60 3.1 |
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*/ |
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inline void ReadCancel() ; |
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/** |
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* Cancel Resume Tx request. |
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* |
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* @since S60 5.2 |
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*/ |
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inline void ResumeTxCancel(); |
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/** |
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* Retrieve configuration information |
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* |
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* @since S60 3.1 |
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* @param aConfig buffer for configuration info |
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* @return KErrNone on success, any other on failure |
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*/ |
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inline TInt GetConfig( TDes8& aConfig ) ; |
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/** |
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* Allocate memory for FrameXferBlock to be used in data frame |
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* Tx- and Rx-operations. |
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* Does necessary memory allocation and maps the physical memory to |
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* calling process's address space so that the calling process |
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* is able to access the memory. |
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* |
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* @since S60 3.1 |
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* @param aFrameXferBlock FrameXferBlock to be initialized by |
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* the device driver |
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* @return KErrNone on success, any other on failure |
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*/ |
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inline TInt InitialiseBuffers( |
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RFrameXferBlockProtocolStack*& aFrameXferBlock ); |
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/** |
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* Unmap memory mapped by InitiliazeBuffers method from the client |
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* process's address space and deallocate it. |
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* Every call to InitialiseBuffers must be matched by a call to |
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* ReleaseBuffers. |
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* |
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* @since S60 3.1 |
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* @return KErrNone on success, any other on failure |
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*/ |
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inline TInt ReleaseBuffers(); |
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/** |
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* Asynchronous request to get notified once Tx from the client is |
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* once again allowed. |
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* |
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* @since S60 5.2 |
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* @param aStatus a TRequestStatus |
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*/ |
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inline void ResumeTx( TRequestStatus& aStatus ); |
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/** |
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* Asynchronous frame read function |
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* |
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* @since S60 3.1 |
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* @param aStatus a TRequestStatus |
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*/ |
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inline void RequestFrame( TRequestStatus& aStatus ); |
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/** |
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* Allocate a Tx buffer from the shared memory. |
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* |
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* @since S60 5.2 |
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* @param aLength Length of the requested Tx buffer in bytes |
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* @return Pointer to the allocated buffer, on success. |
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* NULL, in case the allocation failed. |
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* Note! If NULL is returned the client is not allowed to call |
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* AddTxFrame()(i.e. Tx flow is stopped) until the next time when |
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* ResumeTx asynchronous request completes. |
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*/ |
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inline TDataBuffer* AllocTxBuffer( TUint aLength ); |
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/** |
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* Add the specified Tx frame (contained in the buffer allocated from the |
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* shared memory) to the relevant Tx queue according to the frame's AC |
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* (i.e. priority). |
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* The frame will automatically get transmitted in its turn. |
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* |
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* @since S60 5.2 |
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* @param aPacket The frame to add |
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* @return ETrue if the client is allowed to continue calling this method |
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* (i.e. Tx flow is not stopped). |
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* EFalse if the client is not allowed to call this method again |
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* (i.e. Tx flow is stopped) until the next time when |
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* ResumeTx asynchronous request completes. |
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*/ |
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inline TBool AddTxFrame( TDataBuffer* aPacket ); |
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#ifndef __KERNEL_MODE__ |
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private: |
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/** handle to kernel side shared memory chunk */ |
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RChunk iSharedMemoryChunk; |
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#endif |
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}; |
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#ifndef __KERNEL_MODE__ |
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#include "EtherCardApi.inl" |
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#endif |
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#endif // __ETHERAPI_H__ |