author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Sat, 20 Feb 2010 00:38:18 +0200 | |
branch | RCL_3 |
changeset 3 | 6524e815f76f |
parent 0 | c40eb8fe8501 |
child 17 | a828660c511c |
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 DataFrameMemMngr class. |
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* |
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*/ |
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/* |
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* %version: 18 % |
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*/ |
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#include "WlLddWlanLddConfig.h" |
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#include "DataFrameMemMngr.h" |
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#include "osachunk.h" |
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#include <kernel.h> |
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#include <kern_priv.h> |
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|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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// |
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TInt DataFrameMemMngr::DoOpenHandle( |
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DThread& aThread, |
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TSharedChunkInfo& aSharedChunkInfo, |
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DChunk* aSharedMemoryChunk ) |
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{ |
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TInt ret ( KErrGeneral ); |
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if ( aSharedMemoryChunk ) |
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{ |
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// Need to be in critical section while creating handles |
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NKern::ThreadEnterCS(); |
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// Make handle to shared memory chunk for client thread |
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TInt r = Kern::MakeHandleAndOpen( &aThread, aSharedMemoryChunk ); |
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// Leave critical section |
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NKern::ThreadLeaveCS(); |
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// r: positive 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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TraceDump( INIT_LEVEL, |
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(("WLANLDD: DataFrameMemMngr::DoOpenHandle: Handle create & open ok: handle: %d"), |
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r ) ); |
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// store the handle & chunk size |
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aSharedChunkInfo.iChunkHandle = r; |
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aSharedChunkInfo.iSize = aSharedMemoryChunk->Size(); |
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iClientChunkHandle = r; |
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// store the kernel addresses |
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TLinAddr start_of_mem_linear( 0 ); |
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aSharedMemoryChunk->Address( 0, aSharedChunkInfo.iSize, start_of_mem_linear ); |
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: DataFrameMemMngr::DoOpenHandle: chunk kernel mode start addr: 0x%08x"), |
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start_of_mem_linear ) ); |
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TUint8* start_of_mem = reinterpret_cast<TUint8*>(start_of_mem_linear ); |
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const TUint KRxDataChunkSize( |
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aSharedChunkInfo.iSize |
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- ( sizeof( TDataBuffer ) |
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+ KMgmtSideTxBufferLength |
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+ KProtocolStackSideTxDataChunkSize |
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+ sizeof( RFrameXferBlock ) |
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+ sizeof( RFrameXferBlockProtocolStack ) ) ); |
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: DataFrameMemMngr::DoOpenHandle: KRxDataChunkSize: %d"), |
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KRxDataChunkSize ) ); |
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iRxDataChunk = start_of_mem; |
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|
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: DataFrameMemMngr::DoOpenHandle: iRxDataChunk start addr: 0x%08x"), |
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reinterpret_cast<TUint32>(iRxDataChunk) ) ); |
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TraceDump( INIT_LEVEL, |
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(("WLANLDD: DataFrameMemMngr::DoOpenHandle: iRxDataChunk end addr: 0x%08x"), |
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reinterpret_cast<TUint32>(iRxDataChunk + KRxDataChunkSize) ) ); |
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iTxDataChunk = |
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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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|
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TraceDump( INIT_LEVEL, |
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104 |
(("WLANLDD: DataFrameMemMngr::DoOpenHandle: iTxDataChunk start addr: 0x%08x"), |
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105 |
reinterpret_cast<TUint32>(iTxDataChunk) ) ); |
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106 |
TraceDump( INIT_LEVEL, |
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107 |
(("WLANLDD: DataFrameMemMngr::DoOpenHandle: iTxDataChunk end addr: 0x%08x"), |
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108 |
reinterpret_cast<TUint32>( |
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109 |
iTxDataChunk + KProtocolStackSideTxDataChunkSize) ) ); |
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110 |
|
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111 |
// create the Tx frame memory pool manager to manage the Tx Data |
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112 |
// chunk |
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iTxFrameMemoryPool = new WlanChunk( |
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114 |
iTxDataChunk, |
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iTxDataChunk + KProtocolStackSideTxDataChunkSize, |
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116 |
iTxFrameBufAllocationUnit ); |
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117 |
|
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118 |
if ( iTxFrameMemoryPool && iTxFrameMemoryPool->IsValid() ) |
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119 |
{ |
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120 |
TraceDump(MEMORY, (("WLANLDD: new WlanChunk: 0x%08x"), |
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121 |
reinterpret_cast<TUint32>(iTxFrameMemoryPool))); |
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122 |
|
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iFrameXferBlock = reinterpret_cast<RFrameXferBlock*>( |
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124 |
start_of_mem |
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125 |
+ KRxDataChunkSize |
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126 |
+ sizeof( TDataBuffer ) |
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127 |
+ KMgmtSideTxBufferLength |
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+ KProtocolStackSideTxDataChunkSize |
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+ sizeof( RFrameXferBlock ) ); |
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130 |
|
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131 |
iFrameXferBlockProtoStack = |
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static_cast<RFrameXferBlockProtocolStack*>(iFrameXferBlock); |
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133 |
|
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134 |
TraceDump( INIT_LEVEL, |
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135 |
(("WLANLDD: DataFrameMemMngr::DoOpenHandle: Nif RFrameXferBlock addr: 0x%08x"), |
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136 |
reinterpret_cast<TUint32>(iFrameXferBlockProtoStack) ) ); |
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137 |
|
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138 |
// initiliase xfer block |
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139 |
iFrameXferBlockProtoStack->Initialise(); |
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140 |
|
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141 |
iRxBufAlignmentPadding = iParent.RxBufAlignmentPadding(); |
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142 |
|
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143 |
ret = KErrNone; |
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144 |
} |
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145 |
else |
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146 |
{ |
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147 |
// create failed |
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148 |
delete iTxFrameMemoryPool; |
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149 |
iTxFrameMemoryPool = NULL; |
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150 |
// error is returned |
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151 |
} |
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152 |
} |
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153 |
else |
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154 |
{ |
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155 |
// handle creation & open failed. Error is returned |
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156 |
|
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157 |
TraceDump( INIT_LEVEL | ERROR_LEVEL, |
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158 |
(("WLANLDD: DataFrameMemMngr::OnInitialiseMemory: Handle create & open error: %d"), |
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159 |
r ) ); |
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160 |
} |
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161 |
} |
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162 |
else |
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163 |
{ |
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164 |
// at this point the shared memory chunk should always exist. However, |
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165 |
// as it doesn't exist in this case, we return an error |
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166 |
|
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167 |
TraceDump( INIT_LEVEL | ERROR_LEVEL, |
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168 |
("WLANLDD: DataFrameMemMngr::OnInitialiseMemory: Error aSharedMemoryChunk is NULL") ); |
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169 |
} |
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170 |
|
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171 |
return ret; |
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172 |
} |
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173 |
|
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174 |
// --------------------------------------------------------------------------- |
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175 |
// |
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176 |
// --------------------------------------------------------------------------- |
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177 |
// |
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178 |
void DataFrameMemMngr::DoFreeRxBuffers() |
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179 |
{ |
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180 |
for ( TUint i = 0; i < iCountCompleted; ++i ) |
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181 |
{ |
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182 |
TDataBuffer* metaHdr ( reinterpret_cast<TDataBuffer*>( |
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183 |
iRxDataChunk + iCompletedBuffers[i]) ); |
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184 |
|
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185 |
// first free the actual Rx frame buffer if relevant |
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186 |
if ( metaHdr->KeFlags() & TDataBuffer::KDontReleaseBuffer ) |
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187 |
{ |
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188 |
// this buffer shall not be freed yet, so no action here |
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189 |
|
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190 |
TraceDump( RX_FRAME, |
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191 |
(("WLANLDD: DataFrameMemMngr::DoFreeRxBuffers: don't free yet Rx buf at addr: 0x%08x"), |
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192 |
reinterpret_cast<TUint32>(metaHdr->KeGetBufferStart()) ) ); |
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193 |
} |
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194 |
else |
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195 |
{ |
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196 |
TraceDump( RX_FRAME, |
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197 |
(("WLANLDD: DataFrameMemMngr::DoFreeRxBuffers: free Rx buf at addr: 0x%08x"), |
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198 |
reinterpret_cast<TUint32>(metaHdr->KeGetBufferStart()) ) ); |
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199 |
|
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200 |
iRxFrameMemoryPool->Free( |
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201 |
metaHdr->KeGetBufferStart() |
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202 |
// take into account the alignment padding |
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203 |
- iRxBufAlignmentPadding ); |
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204 |
} |
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205 |
|
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206 |
// free the Rx frame meta header |
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207 |
|
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208 |
TraceDump( RX_FRAME, |
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(("WLANLDD: DataFrameMemMngr::DoFreeRxBuffers: free Rx meta header at addr: 0x%08x"), |
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210 |
reinterpret_cast<TUint32>(metaHdr)) ); |
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211 |
|
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212 |
iRxFrameMemoryPool->Free( metaHdr ); |
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213 |
} |
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214 |
} |
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215 |
|
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216 |
// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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219 |
// |
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TBool DataFrameMemMngr::DoEthernetFrameRxComplete( |
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221 |
const TDataBuffer*& aBufferStart, |
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TUint32 aNumOfBuffers ) |
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223 |
{ |
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224 |
TraceDump( RX_FRAME, |
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(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: aNumOfBuffers: %d"), |
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226 |
aNumOfBuffers) ); |
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227 |
|
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if ( aNumOfBuffers + iCountTobeCompleted > KMaxToBeCompletedRxBufs ) |
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229 |
{ |
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// too little space reserved for Rx buffer handles |
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os_assert( (TUint8*)("WLANLDD: panic"), (TUint8*)(WLAN_FILE), __LINE__ ); |
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232 |
} |
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233 |
|
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234 |
TBool ret( EFalse ); |
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235 |
|
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if ( iReadStatus == EPending ) |
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237 |
{ |
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// read pending |
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if ( !iCountTobeCompleted ) |
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240 |
{ |
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241 |
// no existing Rx buffers to complete in queue |
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242 |
// we may complete these ones on the fly |
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243 |
|
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244 |
// note the completed Rx buffers first so that we can change |
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245 |
// their addresses to offsets |
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246 |
assign( |
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247 |
reinterpret_cast<TUint32*>(&aBufferStart), |
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248 |
iCompletedBuffers, |
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249 |
aNumOfBuffers ); |
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250 |
|
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251 |
// update the new Rx buffer start addresses added above to be |
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252 |
// offsets from the Rx memory pool beginning |
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253 |
for( TUint i = 0; i < aNumOfBuffers; ++i ) |
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254 |
{ |
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255 |
TraceDump( RX_FRAME, |
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256 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: supplied Rx buf addr: 0x%08x"), |
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257 |
iCompletedBuffers[i]) ); |
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258 |
|
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259 |
iCompletedBuffers[i] |
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260 |
-= reinterpret_cast<TUint32>(iRxDataChunk); |
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|
261 |
|
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262 |
TraceDump( RX_FRAME, |
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|
263 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: Rx buf offset addr: 0x%08x"), |
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|
264 |
iCompletedBuffers[i]) ); |
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265 |
} |
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|
266 |
|
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267 |
iCountCompleted = aNumOfBuffers; |
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|
268 |
|
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269 |
iFrameXferBlock->KeRxComplete( iCompletedBuffers, iCountCompleted); |
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270 |
} |
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271 |
else |
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272 |
{ |
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273 |
// existing rx buffers to complete in queue. |
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274 |
// We must append these at the rear and after that |
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275 |
// complete the existing read request |
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276 |
assign( |
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277 |
reinterpret_cast<TUint32*>(&aBufferStart), |
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278 |
iTobeCompletedBuffers + iCountTobeCompleted, |
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|
279 |
aNumOfBuffers ); |
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|
280 |
|
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|
281 |
// update the new Rx buffer start addresses added above to be |
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|
282 |
// offsets from the Rx memory pool beginning |
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|
283 |
for( TUint i = 0; i < aNumOfBuffers; ++i ) |
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|
284 |
{ |
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|
285 |
TraceDump( RX_FRAME, |
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|
286 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: supplied Rx buf addr: 0x%08x"), |
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|
287 |
iTobeCompletedBuffers[iCountTobeCompleted + i]) ); |
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|
288 |
|
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|
289 |
iTobeCompletedBuffers[iCountTobeCompleted + i] |
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|
290 |
-= reinterpret_cast<TUint32>(iRxDataChunk); |
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|
291 |
|
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|
292 |
TraceDump( RX_FRAME, |
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|
293 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: Rx buf offset addr: 0x%08x"), |
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|
294 |
iTobeCompletedBuffers[iCountTobeCompleted + i]) ); |
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|
295 |
} |
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|
296 |
|
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|
297 |
iCountCompleted = iCountTobeCompleted + aNumOfBuffers; |
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|
298 |
|
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|
299 |
iFrameXferBlock->KeRxComplete( |
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300 |
iTobeCompletedBuffers, |
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301 |
iCountCompleted ); |
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|
302 |
|
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|
303 |
// note the completed Rx buffers |
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|
304 |
assign( iTobeCompletedBuffers, iCompletedBuffers, iCountCompleted ); |
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|
305 |
iCountTobeCompleted = 0; |
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306 |
} |
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|
307 |
|
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|
308 |
ret = ETrue; |
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309 |
} |
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|
310 |
else |
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|
311 |
{ |
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|
312 |
// no read pending |
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313 |
// append at the rear |
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314 |
assign( |
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|
315 |
reinterpret_cast<TUint32*>(&aBufferStart), |
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|
316 |
iTobeCompletedBuffers + iCountTobeCompleted, |
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|
317 |
aNumOfBuffers ); |
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|
318 |
|
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|
319 |
// update the new Rx buffer start addresses added above to be |
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|
320 |
// offsets from the Rx memory pool beginning |
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|
321 |
for( TUint i = 0; i < aNumOfBuffers; ++i ) |
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|
322 |
{ |
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|
323 |
TraceDump( RX_FRAME, |
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|
324 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: supplied Rx buf addr: 0x%08x"), |
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Revision: 201003
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parents:
diff
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|
325 |
iTobeCompletedBuffers[iCountTobeCompleted + i]) ); |
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parents:
diff
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|
326 |
|
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parents:
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|
327 |
iTobeCompletedBuffers[iCountTobeCompleted + i] |
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parents:
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|
328 |
-= reinterpret_cast<TUint32>(iRxDataChunk); |
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|
329 |
|
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parents:
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|
330 |
TraceDump( RX_FRAME, |
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diff
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|
331 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: Rx buf offset addr: 0x%08x"), |
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Revision: 201003
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|
332 |
iTobeCompletedBuffers[iCountTobeCompleted + i]) ); |
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|
333 |
} |
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|
334 |
|
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parents:
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|
335 |
iCountTobeCompleted += aNumOfBuffers; |
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|
336 |
} |
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|
337 |
|
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|
338 |
TraceDump( RX_FRAME, |
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|
339 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: end: iCountCompleted: %d"), |
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|
340 |
iCountCompleted) ); |
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|
341 |
|
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|
342 |
TraceDump( RX_FRAME, |
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|
343 |
(("WLANLDD: DataFrameMemMngr::DoEthernetFrameRxComplete: end: iCountTobeCompleted: %d"), |
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|
344 |
iCountTobeCompleted) ); |
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|
345 |
|
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|
346 |
return ret; |
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|
347 |
} |
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|
348 |
|
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|
349 |
// --------------------------------------------------------------------------- |
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350 |
// |
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|
351 |
// --------------------------------------------------------------------------- |
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|
352 |
// |
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|
353 |
TUint32* DataFrameMemMngr::DoGetTobeCompletedBuffersStart() |
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|
354 |
{ |
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|
355 |
return iTobeCompletedBuffers; |
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|
356 |
} |
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|
357 |
|
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|
358 |
// --------------------------------------------------------------------------- |
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|
359 |
// |
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|
360 |
// --------------------------------------------------------------------------- |
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|
361 |
// |
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|
362 |
TUint32* DataFrameMemMngr::DoGetCompletedBuffersStart() |
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|
363 |
{ |
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Revision: 201003
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|
364 |
return iCompletedBuffers; |
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diff
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|
365 |
} |
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|
366 |
|
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|
367 |
// --------------------------------------------------------------------------- |
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|
368 |
// |
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|
369 |
// --------------------------------------------------------------------------- |
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|
370 |
// |
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|
371 |
TDataBuffer* DataFrameMemMngr::AllocTxBuffer( TUint aLength ) |
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Revision: 201003
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|
372 |
{ |
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Revision: 201003
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|
373 |
TraceDump( NWSA_TX_DETAILS, |
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Revision: 201003
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parents:
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|
374 |
(("WLANLDD: DataFrameMemMngr::AllocTxBuffer: aLength: %d"), |
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Revision: 201003
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parents:
diff
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|
375 |
aLength) ); |
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Revision: 201003
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|
376 |
|
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|
377 |
TDataBuffer* metaHdr ( NULL ); |
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|
378 |
|
3
6524e815f76f
Revision: 201003
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0
diff
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|
379 |
if ( ( !IsMemInUse() ) || ( aLength > KMaxEthernetFrameLength ) ) |
0
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Revision: 201003
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|
380 |
{ |
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Revision: 201003
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|
381 |
#ifndef NDEBUG |
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Revision: 201003
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|
382 |
TraceDump( NWSA_TX_DETAILS, |
3
6524e815f76f
Revision: 201003
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parents:
0
diff
changeset
|
383 |
("WLANLDD: DataFrameMemMngr::AllocTxBuffer: WARNING: either " |
6524e815f76f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
384 |
"memory not in use OR max size exceeded. Req. denied") ); |
0
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
385 |
os_assert( |
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
386 |
(TUint8*)("WLANLDD: panic"), |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
(TUint8*)(WLAN_FILE), |
3
6524e815f76f
Revision: 201003
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parents:
0
diff
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|
388 |
__LINE__ ); |
0
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
389 |
#endif |
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diff
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|
390 |
|
c40eb8fe8501
Revision: 201003
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parents:
diff
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|
391 |
return metaHdr; |
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Revision: 201003
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parents:
diff
changeset
|
392 |
} |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
393 |
|
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
394 |
const TUint bufLen ( Align4( |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
395 |
iVendorTxHdrLen + |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
KHtQoSMacHeaderLength + |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
KMaxDot11SecurityEncapsulationLength + |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
sizeof( SSnapHeader ) + |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
aLength + |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
KSpaceForAlignment + |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
iVendorTxTrailerLen ) ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
TUint8* buf = reinterpret_cast<TUint8*>( |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
iTxFrameMemoryPool->Alloc( bufLen, EFalse )); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
if ( buf ) |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
407 |
{ |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
TraceDump( NWSA_TX_DETAILS, |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
(("WLANLDD: DataFrameMemMngr::AllocTxBuffer: tx buf kern addr: 0x%08x"), |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
reinterpret_cast<TUint32>(buf) ) ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
metaHdr = iFrameXferBlockProtoStack->AllocTxBuffer( |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
buf, |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
static_cast<TUint16>(aLength) ); |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
|
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
if ( !metaHdr ) |
c40eb8fe8501
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
{ |
c40eb8fe8501
Revision: 201003
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parents:
diff
changeset
|
418 |
iTxFrameMemoryPool->Free( buf ); |
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} |
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} |
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|
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return metaHdr; |
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} |
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424 |
|
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// --------------------------------------------------------------------------- |
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// |
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// --------------------------------------------------------------------------- |
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428 |
// |
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void DataFrameMemMngr::FreeTxPacket( TDataBuffer*& aPacket ) |
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{ |
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if ( IsMemInUse() ) |
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{ |
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// free the actual Tx buffer |
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iTxFrameMemoryPool->Free( aPacket->KeGetBufferStart() ); |
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// free the meta header |
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iFrameXferBlockProtoStack->FreeTxPacket( aPacket ); |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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441 |
// |
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// --------------------------------------------------------------------------- |
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443 |
// |
3
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void DataFrameMemMngr::OnReleaseMemory( DThread& aThread ) |
0
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{ |
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TraceDump(INIT_LEVEL, ("WLANLDD: DataFrameMemMngr::OnReleaseMemory")); |
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|
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if ( iTxFrameMemoryPool ) |
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449 |
{ |
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TraceDump(MEMORY, (("WLANLDD: delete WlanChunk: 0x%08x"), |
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reinterpret_cast<TUint32>(iTxFrameMemoryPool))); |
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452 |
|
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delete iTxFrameMemoryPool; |
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iTxFrameMemoryPool = NULL; |
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iTxDataChunk = NULL; |
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|
3
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MarkMemFree(); |
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} |
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|
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if ( iClientChunkHandle >= 0 ) |
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461 |
{ |
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TraceDump(INIT_LEVEL, |
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(("WLANLDD: DataFrameMemMngr::OnReleaseMemory: close shared chunk " |
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"handle: %d"), |
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iClientChunkHandle)); |
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|
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// We have a valid client handle to the shared chunk, so close it |
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Kern::CloseHandle( &aThread, iClientChunkHandle ); |
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iClientChunkHandle = -1; |
0
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} |
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471 |
} |