author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 17:02:06 +0300 | |
branch | RCL_3 |
changeset 42 | a828660c511c |
parent 3 | 6524e815f76f |
child 43 | d3d7683d16f5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002-2010 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: Implementation of the MgmtFrameMemMngr class. |
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* |
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*/ |
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/* |
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* %version: 21 % |
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*/ |
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#include "WlLddWlanLddConfig.h" |
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#include "MgmtFrameMemMngr.h" |
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#include "osachunk.h" |
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#include <kern_priv.h> |
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extern TAny* os_alloc( const TUint32 ); |
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extern void os_free( const TAny* ); |
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TInt MgmtFrameMemMngr::DoAllocate( DChunk*& aSharedMemoryChunk ) |
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{ |
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TraceDump( INIT_LEVEL, |
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("WLANLDD: MgmtFrameMemMngr::DoAllocate:") ); |
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// determine if cached memory shall be used |
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TUint cacheOption = iUseCachedMemory ? |
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EMapAttrCachedMax : |
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EMapAttrFullyBlocking; |
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// Start creating the chunk |
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TChunkCreateInfo info; |
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info.iType = TChunkCreateInfo::ESharedKernelMultiple; |
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info.iMaxSize = iChunkSize; |
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info.iMapAttr = EMapAttrReadUser | |
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EMapAttrWriteUser | |
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EMapAttrShared | |
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cacheOption; |
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info.iOwnsMemory = ETrue; |
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info.iDestroyedDfc = NULL; |
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DChunk* chunk; |
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoAllocate: create chunk of size: %d"), |
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iChunkSize) ); |
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TUint32 chunkMapAttrNotNeeded ( 0 ); |
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// Enter critical section so we can't die and leak the object we are |
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// creating, i.e. DChunk (shared memory chunk) |
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NKern::ThreadEnterCS(); |
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TInt r = Kern::ChunkCreate( |
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info, |
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chunk, |
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iChunkKernelAddr, |
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chunkMapAttrNotNeeded ); |
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if( r != KErrNone) |
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{ |
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TraceDump( WARNING_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoAllocate: create chunk failed. Status: %d"), |
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r ) ); |
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NKern::ThreadLeaveCS(); |
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return r; |
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} |
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TraceDump(MEMORY, (("WLANLDD: new DChunk: 0x%08x"), |
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reinterpret_cast<TUint32>(chunk))); |
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TraceDump(INIT_LEVEL, |
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(("MgmtFrameMemMngr::DoAllocate: Platform Hw Chunk create success with cacheOption: 0x%08x"), |
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cacheOption)); |
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TUint32 physicalAddressNotNeeded ( 0 ); |
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// Map our device's memory into the chunk (at offset 0) |
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r = Kern::ChunkCommitContiguous( |
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chunk, |
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0, |
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iChunkSize, |
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physicalAddressNotNeeded ); |
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if ( r != KErrNone) |
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{ |
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TraceDump( WARNING_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoAllocate: chunk commit failed. Status: %d"), |
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r ) ); |
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105 |
|
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// Commit failed so tidy-up. |
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// Close chunk, which will then get deleted at some point |
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Kern::ChunkClose( chunk ); |
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109 |
} |
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110 |
else |
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111 |
{ |
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TraceDump( INIT_LEVEL, |
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("WLANLDD: MgmtFrameMemMngr::DoAllocate: chunk commit success") ); |
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114 |
|
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115 |
// Commit succeeded so pass back the chunk pointer |
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aSharedMemoryChunk = chunk; |
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} |
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118 |
|
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// Can leave critical section now that we have saved pointer to created object |
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NKern::ThreadLeaveCS(); |
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121 |
|
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoAllocate: chunk map attr: %d"), |
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chunkMapAttrNotNeeded ) ); |
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoAllocate: iChunkKernelAddr: 0x%08x"), |
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static_cast<TUint32>(iChunkKernelAddr) ) ); |
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoAllocate: chunk physical address: 0x%08x"), |
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physicalAddressNotNeeded ) ); |
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131 |
|
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return r; |
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} |
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134 |
|
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135 |
// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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139 |
TInt MgmtFrameMemMngr::DoOpenHandle( |
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DThread& aThread, |
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141 |
TSharedChunkInfo& aSharedChunkInfo, |
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DChunk* aSharedMemoryChunk ) |
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143 |
{ |
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TInt ret ( KErrGeneral ); |
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145 |
|
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if ( aSharedMemoryChunk ) |
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{ |
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148 |
|
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// Need to be in critical section while creating handles |
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NKern::ThreadEnterCS(); |
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151 |
|
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// Create handle to shared memory chunk for client thread |
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TInt r = Kern::MakeHandleAndOpen( &aThread, aSharedMemoryChunk ); |
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154 |
|
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// Leave critical section |
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NKern::ThreadLeaveCS(); |
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157 |
|
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// positive r value is a handle, negative value is an error code |
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if( r >= 0 ) |
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{ |
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// mapping success |
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162 |
|
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::OnInitialiseMemory: Handle create & open ok: handle: %d"), |
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165 |
r ) ); |
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166 |
|
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// store the handle & the chunk size |
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aSharedChunkInfo.iChunkHandle = r; |
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aSharedChunkInfo.iSize = iChunkSize; |
3
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iClientChunkHandle = r; |
0
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171 |
|
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// store the kernel addresses |
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173 |
|
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TUint8* start_of_mem = reinterpret_cast<TUint8*>(iChunkKernelAddr ); |
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175 |
|
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176 |
const TUint KRxDataChunkSize( |
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iChunkSize |
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- ( sizeof( TDataBuffer ) |
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+ KMgmtSideTxBufferLength |
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180 |
+ KProtocolStackSideTxDataChunkSize |
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181 |
+ sizeof( RFrameXferBlock ) |
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182 |
+ sizeof( RFrameXferBlockProtocolStack ) ) ); |
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183 |
|
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184 |
TraceDump( INIT_LEVEL, |
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185 |
(("WLANLDD: MgmtFrameMemMngr::DoOpenHandle: KRxDataChunkSize: %d"), |
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186 |
KRxDataChunkSize ) ); |
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187 |
|
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iRxDataChunk = start_of_mem; |
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189 |
|
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190 |
TraceDump( INIT_LEVEL, |
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191 |
(("WLANLDD: MgmtFrameMemMngr::DoOpenHandle: iRxDataChunk start addr: 0x%08x"), |
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192 |
reinterpret_cast<TUint32>(iRxDataChunk) ) ); |
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193 |
TraceDump( INIT_LEVEL, |
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194 |
(("WLANLDD: MgmtFrameMemMngr::DoOpenHandle: iRxDataChunk end addr: 0x%08x"), |
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195 |
reinterpret_cast<TUint32>(iRxDataChunk + KRxDataChunkSize) ) ); |
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196 |
|
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197 |
// create the Rx frame memory pool manager |
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198 |
iRxFrameMemoryPool = new WlanChunk( |
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199 |
iRxDataChunk, |
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200 |
iRxDataChunk + KRxDataChunkSize, |
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201 |
iRxFrameBufAllocationUnit ); |
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202 |
|
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203 |
if ( iRxFrameMemoryPool && iRxFrameMemoryPool->IsValid() ) |
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204 |
{ |
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205 |
ret = KErrNone; |
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206 |
|
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207 |
TraceDump(MEMORY, (("WLANLDD: new WlanChunk: 0x%08x"), |
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208 |
reinterpret_cast<TUint32>(iRxFrameMemoryPool))); |
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209 |
|
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iTxDataBuffer = reinterpret_cast<TDataBuffer*>( |
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start_of_mem |
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+ KRxDataChunkSize ); |
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213 |
|
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoOpenHandle: Engine TxDataBuf start addr: 0x%08x"), |
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reinterpret_cast<TUint32>(iTxDataBuffer) ) ); |
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217 |
|
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// for the single Tx buffer the actual buffer memory immediately |
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// follows the Tx frame meta header |
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iTxDataBuffer->KeSetBufferOffset( sizeof( TDataBuffer ) ); |
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|
221 |
|
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iFrameXferBlock = reinterpret_cast<RFrameXferBlock*>( |
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start_of_mem |
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+ KRxDataChunkSize |
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+ sizeof( TDataBuffer ) |
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+ KMgmtSideTxBufferLength |
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+ KProtocolStackSideTxDataChunkSize ); |
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228 |
|
42
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iFrameXferBlockBase = iFrameXferBlock; |
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230 |
|
0
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::DoOpenHandle: Engine RFrameXferBlock addr: 0x%08x"), |
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reinterpret_cast<TUint32>(iFrameXferBlock) ) ); |
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|
234 |
|
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// initiliase xfer block |
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iFrameXferBlock->Initialize( KMgmtSideTxBufferLength ); |
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237 |
|
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iRxBufAlignmentPadding = RxBufAlignmentPadding(); |
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239 |
|
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iParent.SetRxBufAlignmentPadding( iRxBufAlignmentPadding ); |
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241 |
} |
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242 |
else |
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243 |
{ |
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244 |
// create failed |
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delete iRxFrameMemoryPool; |
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iRxFrameMemoryPool = NULL; |
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// error is returned |
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248 |
} |
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249 |
} |
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250 |
else |
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251 |
{ |
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252 |
// handle creation & open failed. Error is returned |
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253 |
|
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254 |
TraceDump( INIT_LEVEL | ERROR_LEVEL, |
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(("WLANLDD: MgmtFrameMemMngr::OnInitialiseMemory: Handle create & open error: %d"), |
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256 |
r ) ); |
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257 |
} |
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258 |
} |
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259 |
else |
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260 |
{ |
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261 |
// at this point the shared memory chunk should always exist. However, |
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|
262 |
// as it doesn't exist in this case, we return an error |
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|
263 |
|
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264 |
TraceDump( INIT_LEVEL | ERROR_LEVEL, |
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|
265 |
("WLANLDD: MgmtFrameMemMngr::OnInitialiseMemory: Error aSharedMemoryChunk is NULL") ); |
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266 |
} |
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|
267 |
|
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268 |
return ret; |
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269 |
} |
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|
270 |
|
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|
271 |
// --------------------------------------------------------------------------- |
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272 |
// |
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273 |
// --------------------------------------------------------------------------- |
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274 |
// |
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275 |
TUint8* MgmtFrameMemMngr::DoGetNextFreeRxBuffer( TUint aLengthinBytes ) |
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276 |
{ |
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277 |
TraceDump( RX_FRAME, |
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|
278 |
("WLANLDD: MgmtFrameMemMngr::DoGetNextFreeRxBuffer") ); |
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|
279 |
|
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280 |
// reserve a new Rx buffer. |
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|
281 |
|
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|
282 |
TUint8* buffer ( NULL ); |
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|
283 |
|
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284 |
if ( iRxFrameMemoryPool ) |
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|
285 |
{ |
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|
286 |
buffer = reinterpret_cast<TUint8*>(iRxFrameMemoryPool->Alloc( |
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|
287 |
aLengthinBytes |
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|
288 |
+ iRxBufAlignmentPadding, |
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|
289 |
EFalse ) ); // no need to zero stamp the buffer content |
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|
290 |
|
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|
291 |
if ( buffer ) |
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292 |
{ |
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|
293 |
// allocation succeeded |
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|
294 |
|
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|
295 |
// the alignment padding is before the Rx buffer |
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|
296 |
buffer += iRxBufAlignmentPadding; |
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|
297 |
|
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298 |
TraceDump(RX_FRAME, |
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|
299 |
(("WLANLDD: MgmtFrameMemMngr::DoGetNextFreeRxBuffer: addr of allocated Rx buf: 0x%08x"), |
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|
300 |
reinterpret_cast<TUint32>(buffer)) ); |
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|
301 |
} |
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|
302 |
else |
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|
303 |
{ |
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|
304 |
TraceDump(RX_FRAME | WARNING_LEVEL, |
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|
305 |
("WLANLDD: MgmtFrameMemMngr::DoGetNextFreeRxBuffer: WARNING: not enough free memory => failed")); |
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|
306 |
} |
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|
307 |
} |
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|
308 |
else |
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|
309 |
{ |
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|
310 |
TraceDump(RX_FRAME | WARNING_LEVEL, |
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|
311 |
("WLANLDD: MgmtFrameMemMngr::DoGetNextFreeRxBuffer: WARNING: no Rx mem pool mgr => failed")); |
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|
312 |
} |
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|
313 |
|
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|
314 |
return buffer; |
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315 |
} |
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|
316 |
|
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|
317 |
// --------------------------------------------------------------------------- |
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|
318 |
// |
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|
319 |
// --------------------------------------------------------------------------- |
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|
320 |
// |
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Revision: 201003
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diff
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|
321 |
TBool MgmtFrameMemMngr::DoEthernetFrameRxComplete( |
42
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|
322 |
TDataBuffer*& aBufferStart, |
0
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|
323 |
TUint32 aNumOfBuffers ) |
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|
324 |
{ |
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Revision: 201003
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diff
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|
325 |
TraceDump( RX_FRAME, |
42
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diff
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|
326 |
(("WLANLDD: MgmtFrameMemMngr::DoEthernetFrameRxComplete: " |
a828660c511c
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|
327 |
"aNumOfBuffers: %d"), |
0
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Revision: 201003
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diff
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|
328 |
aNumOfBuffers) ); |
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Revision: 201003
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diff
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|
329 |
|
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parents:
diff
changeset
|
330 |
TBool ret( EFalse ); |
42
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|
331 |
TDataBuffer** metaHdrPtrArray(&aBufferStart); |
0
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|
332 |
|
42
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diff
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|
333 |
if ( iFrameXferBlock ) |
a828660c511c
Revision: 201029
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|
334 |
{ |
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|
335 |
for ( TUint i = 0; i < aNumOfBuffers; ++i ) |
a828660c511c
Revision: 201029
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|
336 |
{ |
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|
337 |
if ( metaHdrPtrArray[i] ) |
0
c40eb8fe8501
Revision: 201003
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diff
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|
338 |
{ |
42
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|
339 |
iFrameXferBlock->AddRxFrame( metaHdrPtrArray[i] ); |
0
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Revision: 201003
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|
340 |
} |
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|
341 |
} |
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diff
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|
342 |
|
42
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|
343 |
if ( iReadStatus == EPending ) |
a828660c511c
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|
344 |
{ |
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|
345 |
ret = ETrue; |
a828660c511c
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|
346 |
} |
0
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Revision: 201003
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|
347 |
} |
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|
348 |
|
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Revision: 201003
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|
349 |
return ret; |
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Revision: 201003
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|
350 |
} |
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Revision: 201003
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parents:
diff
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|
351 |
|
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Revision: 201003
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diff
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|
352 |
// --------------------------------------------------------------------------- |
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|
353 |
// |
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parents:
diff
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|
354 |
// --------------------------------------------------------------------------- |
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Revision: 201003
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diff
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|
355 |
// |
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Revision: 201003
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diff
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|
356 |
void MgmtFrameMemMngr::DoMarkRxBufFree( TUint8* aBufferToFree ) |
c40eb8fe8501
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diff
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|
357 |
{ |
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Revision: 201003
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parents:
diff
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|
358 |
TraceDump( RX_FRAME, |
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Revision: 201003
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parents:
diff
changeset
|
359 |
(("WLANLDD: MgmtFrameMemMngr::DoMarkRxBufFree: free Rx buf at addr: 0x%08x"), |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
360 |
reinterpret_cast<TUint32>(aBufferToFree) ) ); |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
361 |
|
42
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Revision: 201029
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diff
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|
362 |
if ( IsMemInUse() && iRxFrameMemoryPool ) |
0
c40eb8fe8501
Revision: 201003
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diff
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|
363 |
{ |
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Revision: 201003
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parents:
diff
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|
364 |
iRxFrameMemoryPool->Free( |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
365 |
aBufferToFree |
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
366 |
// take into account the alignment padding |
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
367 |
- iRxBufAlignmentPadding ); |
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
368 |
} |
c40eb8fe8501
Revision: 201003
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diff
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|
369 |
else |
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Revision: 201003
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diff
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|
370 |
{ |
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Revision: 201003
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parents:
diff
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|
371 |
// the whole Rx memory pool - including aBufferToFree - has already |
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
372 |
// been deallocated, so nothing is done in this case |
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
373 |
TraceDump( RX_FRAME, |
42
a828660c511c
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diff
changeset
|
374 |
("WLANLDD: MgmtFrameMemMngr::DoMarkRxBufFree: Rx memory pool already " |
a828660c511c
Revision: 201029
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|
375 |
"deallocated; no action needed") ); |
0
c40eb8fe8501
Revision: 201003
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diff
changeset
|
376 |
} |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
377 |
} |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
378 |
|
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
379 |
// --------------------------------------------------------------------------- |
42
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diff
changeset
|
380 |
// |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
381 |
// --------------------------------------------------------------------------- |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
382 |
// |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
383 |
TBool MgmtFrameMemMngr::OnReadRequest() |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
384 |
{ |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
385 |
TBool ret( EFalse ); |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
386 |
|
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
387 |
if ( IsMemInUse() && iFrameXferBlock ) |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
388 |
{ |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
389 |
if ( iFrameXferBlock->RxFrameAvailable() ) |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
390 |
{ |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
391 |
// there are Rx frames ready for the user mode client retrieval |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
392 |
ret = ETrue; |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
393 |
|
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
394 |
// the frame Rx request won't be left pending as the callee will |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
395 |
// complete it |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
396 |
iReadStatus = ENotPending; |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
397 |
} |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
398 |
else |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
399 |
{ |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
400 |
// there are no Rx frames ready for the user mode client retrieval |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
401 |
// the Rx request is left pending |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
402 |
iReadStatus = EPending; |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
403 |
} |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
404 |
} |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
405 |
#ifndef NDEBUG |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
406 |
else |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
407 |
{ |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
408 |
os_assert( (TUint8*)("WLANLDD: panic"), (TUint8*)(WLAN_FILE), __LINE__ ); |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
409 |
} |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
410 |
#endif |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
411 |
|
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
412 |
TraceDump( RX_FRAME, |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
413 |
(("WLANLDD: MgmtFrameMemMngr::OnReadRequest: ret (bool): %d"), |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
414 |
ret) ); |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
415 |
|
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
416 |
return ret; |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
417 |
} |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
418 |
|
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
419 |
// --------------------------------------------------------------------------- |
a828660c511c
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|
420 |
// Note! This method is executed in the context of the user mode client |
a828660c511c
Revision: 201029
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|
421 |
// thread, but in supervisor mode |
a828660c511c
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|
422 |
// --------------------------------------------------------------------------- |
a828660c511c
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diff
changeset
|
423 |
// |
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diff
changeset
|
424 |
TDataBuffer* MgmtFrameMemMngr::GetRxFrame( |
a828660c511c
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|
425 |
TDataBuffer* aFrameToFreeInUserSpace ) |
a828660c511c
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changeset
|
426 |
{ |
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diff
changeset
|
427 |
TDataBuffer* rxFrame( NULL ); |
a828660c511c
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diff
changeset
|
428 |
|
a828660c511c
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diff
changeset
|
429 |
if ( IsMemInUse() && iFrameXferBlock ) |
a828660c511c
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diff
changeset
|
430 |
{ |
a828660c511c
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diff
changeset
|
431 |
if ( aFrameToFreeInUserSpace ) |
a828660c511c
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diff
changeset
|
432 |
{ |
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Revision: 201029
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diff
changeset
|
433 |
FreeRxPacket( aFrameToFreeInUserSpace ); |
a828660c511c
Revision: 201029
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diff
changeset
|
434 |
} |
a828660c511c
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diff
changeset
|
435 |
|
a828660c511c
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diff
changeset
|
436 |
rxFrame = iFrameXferBlock->GetRxFrame(); |
a828660c511c
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diff
changeset
|
437 |
} |
a828660c511c
Revision: 201029
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diff
changeset
|
438 |
|
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Revision: 201029
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changeset
|
439 |
return rxFrame; |
a828660c511c
Revision: 201029
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diff
changeset
|
440 |
} |
a828660c511c
Revision: 201029
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diff
changeset
|
441 |
|
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diff
changeset
|
442 |
// --------------------------------------------------------------------------- |
a828660c511c
Revision: 201029
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diff
changeset
|
443 |
// |
a828660c511c
Revision: 201029
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diff
changeset
|
444 |
// --------------------------------------------------------------------------- |
a828660c511c
Revision: 201029
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diff
changeset
|
445 |
// |
a828660c511c
Revision: 201029
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diff
changeset
|
446 |
TDataBuffer* MgmtFrameMemMngr::OnWriteEthernetFrame() const |
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Revision: 201029
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3
diff
changeset
|
447 |
{ |
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Revision: 201029
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diff
changeset
|
448 |
if ( iTxDataBuffer && |
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Revision: 201029
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diff
changeset
|
449 |
( iTxDataBuffer->GetLength() >= sizeof( SEthernetHeader ) ) ) |
a828660c511c
Revision: 201029
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diff
changeset
|
450 |
{ |
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Revision: 201029
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diff
changeset
|
451 |
return iTxDataBuffer; |
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Revision: 201029
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diff
changeset
|
452 |
} |
a828660c511c
Revision: 201029
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diff
changeset
|
453 |
else |
a828660c511c
Revision: 201029
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diff
changeset
|
454 |
{ |
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Revision: 201029
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diff
changeset
|
455 |
#ifndef NDEBUG |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
456 |
os_assert( (TUint8*)("WLANLDD: panic"), (TUint8*)(WLAN_FILE), __LINE__ ); |
a828660c511c
Revision: 201029
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diff
changeset
|
457 |
#endif |
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Revision: 201029
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changeset
|
458 |
return NULL; |
a828660c511c
Revision: 201029
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diff
changeset
|
459 |
} |
a828660c511c
Revision: 201029
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diff
changeset
|
460 |
} |
a828660c511c
Revision: 201029
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diff
changeset
|
461 |
|
a828660c511c
Revision: 201029
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diff
changeset
|
462 |
// --------------------------------------------------------------------------- |
0
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
463 |
// |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
464 |
// --------------------------------------------------------------------------- |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
465 |
// |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
TInt MgmtFrameMemMngr::RxBufAlignmentPadding() const |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
467 |
{ |
42
a828660c511c
Revision: 201029
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diff
changeset
|
468 |
if ( iRxFrameMemoryPool ) |
a828660c511c
Revision: 201029
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diff
changeset
|
469 |
{ |
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Revision: 201029
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diff
changeset
|
470 |
const TInt KMemMgrHdrLen = iRxFrameMemoryPool->HeaderSize(); |
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Revision: 201029
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diff
changeset
|
471 |
const TInt KRemainder ( KMemMgrHdrLen % iRxFrameBufAllocationUnit ); |
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Revision: 201029
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diff
changeset
|
472 |
TInt padding = KRemainder ? |
a828660c511c
Revision: 201029
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3
diff
changeset
|
473 |
( iRxFrameBufAllocationUnit - KRemainder ) : KRemainder; |
a828660c511c
Revision: 201029
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3
diff
changeset
|
474 |
|
a828660c511c
Revision: 201029
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3
diff
changeset
|
475 |
TraceDump(INIT_LEVEL, (("WLANLDD: MgmtFrameMemMngr::RxBufAlignmentPadding: %d"), |
a828660c511c
Revision: 201029
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diff
changeset
|
476 |
padding)); |
0
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
477 |
|
42
a828660c511c
Revision: 201029
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diff
changeset
|
478 |
return padding; |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
479 |
} |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
480 |
else |
a828660c511c
Revision: 201029
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parents:
3
diff
changeset
|
481 |
{ |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
482 |
os_assert( (TUint8*)("WLANLDD: panic"), (TUint8*)(WLAN_FILE), __LINE__ ); |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
483 |
return 0; |
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
484 |
} |
0
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
} |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
// --------------------------------------------------------------------------- |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
// |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
// --------------------------------------------------------------------------- |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
// |
3
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
491 |
void MgmtFrameMemMngr::OnReleaseMemory( DThread& aThread ) |
0
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
{ |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
TraceDump(INIT_LEVEL, ("WLANLDD: MgmtFrameMemMngr::OnReleaseMemory")); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
|
3
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
495 |
if ( iRxFrameMemoryPool ) |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
496 |
{ |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
497 |
TraceDump(MEMORY, (("WLANLDD: delete WlanChunk: 0x%08x"), |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
498 |
reinterpret_cast<TUint32>(iRxFrameMemoryPool))); |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
499 |
|
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
500 |
delete iRxFrameMemoryPool; |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
501 |
iRxFrameMemoryPool = NULL; |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
502 |
} |
0
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
if ( iParent.SharedMemoryChunk() ) |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
{ |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
TraceDump(MEMORY, (("WLANLDD: delete DChunk: 0x%08x"), |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
reinterpret_cast<TUint32>(iParent.SharedMemoryChunk()))); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
|
3
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
509 |
if ( iClientChunkHandle >= 0 ) |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
510 |
{ |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
511 |
TraceDump(INIT_LEVEL, |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
512 |
(("WLANLDD: MgmtFrameMemMngr::OnReleaseMemory: close shared " |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
513 |
"chunk handle: %d"), |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
514 |
iClientChunkHandle)); |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
515 |
|
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
516 |
// We have a valid client handle to the shared chunk, so close it |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
517 |
Kern::CloseHandle( &aThread, iClientChunkHandle ); |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
518 |
iClientChunkHandle = -1; |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
519 |
} |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
520 |
|
0
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
// schedule the shared memory chunk for destruction |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
Kern::ChunkClose( iParent.SharedMemoryChunk() ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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523 |
iParent.SharedMemoryChunk() = NULL; |
3
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
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524 |
MarkMemFree(); |
42
a828660c511c
Revision: 201029
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
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525 |
} |
0
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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526 |
} |