author | Mitch Watrous |
Tue, 14 Aug 2012 13:52:17 -0700 | |
changeset 8981 | 7e1c95c4d1a7 |
parent 7385 | 10beb0e53130 |
child 9176 | 41ab1e874804 |
permissions | -rw-r--r-- |
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
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/* |
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* Copyright (c) 2005 INRIA |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation; |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
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*/ |
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|
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#include "ns3/assert.h" |
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#include "ns3/packet.h" |
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#include "ns3/log.h" |
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#include "ns3/simulator.h" |
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#include "ns3/node.h" |
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#include "ns3/uinteger.h" |
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#include "ns3/pointer.h" |
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#include "dca-txop.h" |
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#include "dcf-manager.h" |
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#include "mac-low.h" |
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#include "wifi-mac-queue.h" |
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#include "mac-tx-middle.h" |
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#include "wifi-mac-trailer.h" |
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#include "wifi-mac.h" |
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#include "random-stream.h" |
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|
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NS_LOG_COMPONENT_DEFINE ("DcaTxop"); |
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#undef NS_LOG_APPEND_CONTEXT |
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#define NS_LOG_APPEND_CONTEXT if (m_low != 0) { std::clog << "[mac=" << m_low->GetAddress () << "] "; } |
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namespace ns3 { |
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class DcaTxop::Dcf : public DcfState |
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{ |
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public: |
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Dcf (DcaTxop * txop) |
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: m_txop (txop) |
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{ |
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} |
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private: |
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virtual void DoNotifyAccessGranted (void) |
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{ |
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m_txop->NotifyAccessGranted (); |
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} |
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virtual void DoNotifyInternalCollision (void) |
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{ |
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m_txop->NotifyInternalCollision (); |
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} |
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virtual void DoNotifyCollision (void) |
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{ |
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m_txop->NotifyCollision (); |
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} |
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virtual void DoNotifyChannelSwitching (void) |
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{ |
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m_txop->NotifyChannelSwitching (); |
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} |
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DcaTxop *m_txop; |
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}; |
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class DcaTxop::TransmissionListener : public MacLowTransmissionListener |
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{ |
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public: |
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TransmissionListener (DcaTxop * txop) |
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: MacLowTransmissionListener (), |
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m_txop (txop) { |
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} |
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virtual ~TransmissionListener () {} |
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virtual void GotCts (double snr, WifiMode txMode) |
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{ |
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m_txop->GotCts (snr, txMode); |
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} |
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virtual void MissedCts (void) |
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{ |
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m_txop->MissedCts (); |
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} |
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virtual void GotAck (double snr, WifiMode txMode) |
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{ |
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m_txop->GotAck (snr, txMode); |
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} |
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virtual void MissedAck (void) |
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{ |
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m_txop->MissedAck (); |
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} |
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virtual void StartNext (void) |
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{ |
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m_txop->StartNext (); |
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} |
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virtual void Cancel (void) |
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{ |
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m_txop->Cancel (); |
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} |
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|
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private: |
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DcaTxop *m_txop; |
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}; |
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NS_OBJECT_ENSURE_REGISTERED (DcaTxop); |
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TypeId |
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DcaTxop::GetTypeId (void) |
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{ |
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static TypeId tid = TypeId ("ns3::DcaTxop") |
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117 |
.SetParent (ns3::Dcf::GetTypeId ()) |
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118 |
.AddConstructor<DcaTxop> () |
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119 |
.AddAttribute ("Queue", "The WifiMacQueue object", |
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120 |
PointerValue (), |
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121 |
MakePointerAccessor (&DcaTxop::GetQueue), |
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122 |
MakePointerChecker<WifiMacQueue> ()) |
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123 |
; |
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124 |
return tid; |
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125 |
} |
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126 |
|
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127 |
DcaTxop::DcaTxop () |
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128 |
: m_manager (0), |
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129 |
m_currentPacket (0) |
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130 |
{ |
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131 |
NS_LOG_FUNCTION (this); |
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132 |
m_transmissionListener = new DcaTxop::TransmissionListener (this); |
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133 |
m_dcf = new DcaTxop::Dcf (this); |
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134 |
m_queue = CreateObject<WifiMacQueue> (); |
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135 |
m_rng = new RealRandomStream (); |
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m_txMiddle = new MacTxMiddle (); |
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137 |
} |
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138 |
|
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139 |
DcaTxop::~DcaTxop () |
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140 |
{ |
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141 |
NS_LOG_FUNCTION (this); |
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142 |
} |
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143 |
|
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144 |
void |
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145 |
DcaTxop::DoDispose (void) |
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146 |
{ |
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147 |
NS_LOG_FUNCTION (this); |
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148 |
m_queue = 0; |
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149 |
m_low = 0; |
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150 |
m_stationManager = 0; |
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151 |
delete m_transmissionListener; |
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152 |
delete m_dcf; |
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153 |
delete m_rng; |
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154 |
delete m_txMiddle; |
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155 |
m_transmissionListener = 0; |
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156 |
m_dcf = 0; |
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157 |
m_rng = 0; |
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|
158 |
m_txMiddle = 0; |
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159 |
} |
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|
160 |
|
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161 |
void |
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162 |
DcaTxop::SetManager (DcfManager *manager) |
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163 |
{ |
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164 |
NS_LOG_FUNCTION (this << manager); |
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165 |
m_manager = manager; |
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166 |
m_manager->Add (m_dcf); |
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|
167 |
} |
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|
168 |
|
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|
169 |
void |
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170 |
DcaTxop::SetLow (Ptr<MacLow> low) |
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|
171 |
{ |
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|
172 |
NS_LOG_FUNCTION (this << low); |
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|
173 |
m_low = low; |
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|
174 |
} |
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175 |
void |
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176 |
DcaTxop::SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> remoteManager) |
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177 |
{ |
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178 |
NS_LOG_FUNCTION (this << remoteManager); |
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|
179 |
m_stationManager = remoteManager; |
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|
180 |
} |
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181 |
void |
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|
182 |
DcaTxop::SetTxOkCallback (TxOk callback) |
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|
183 |
{ |
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|
184 |
m_txOkCallback = callback; |
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|
185 |
} |
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|
186 |
void |
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|
187 |
DcaTxop::SetTxFailedCallback (TxFailed callback) |
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|
188 |
{ |
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|
189 |
m_txFailedCallback = callback; |
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|
190 |
} |
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|
191 |
|
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|
192 |
Ptr<WifiMacQueue > |
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|
193 |
DcaTxop::GetQueue () const |
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|
194 |
{ |
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|
195 |
NS_LOG_FUNCTION (this); |
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|
196 |
return m_queue; |
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|
197 |
} |
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|
198 |
|
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|
199 |
void |
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|
200 |
DcaTxop::SetMinCw (uint32_t minCw) |
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|
201 |
{ |
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|
202 |
NS_LOG_FUNCTION (this << minCw); |
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|
203 |
m_dcf->SetCwMin (minCw); |
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|
204 |
} |
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|
205 |
void |
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|
206 |
DcaTxop::SetMaxCw (uint32_t maxCw) |
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|
207 |
{ |
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|
208 |
NS_LOG_FUNCTION (this << maxCw); |
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|
209 |
m_dcf->SetCwMax (maxCw); |
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|
210 |
} |
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|
211 |
void |
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|
212 |
DcaTxop::SetAifsn (uint32_t aifsn) |
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213 |
{ |
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|
214 |
NS_LOG_FUNCTION (this << aifsn); |
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|
215 |
m_dcf->SetAifsn (aifsn); |
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|
216 |
} |
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|
217 |
uint32_t |
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|
218 |
DcaTxop::GetMinCw (void) const |
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219 |
{ |
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|
220 |
return m_dcf->GetCwMin (); |
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|
221 |
} |
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|
222 |
uint32_t |
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|
223 |
DcaTxop::GetMaxCw (void) const |
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|
224 |
{ |
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|
225 |
return m_dcf->GetCwMax (); |
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|
226 |
} |
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|
227 |
uint32_t |
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|
228 |
DcaTxop::GetAifsn (void) const |
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|
229 |
{ |
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|
230 |
return m_dcf->GetAifsn (); |
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|
231 |
} |
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|
232 |
|
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|
233 |
void |
4462
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const cleanup
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|
234 |
DcaTxop::Queue (Ptr<const Packet> packet, const WifiMacHeader &hdr) |
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235 |
{ |
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|
236 |
NS_LOG_FUNCTION (this << packet << &hdr); |
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|
237 |
WifiMacTrailer fcs; |
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|
238 |
uint32_t fullPacketSize = hdr.GetSerializedSize () + packet->GetSize () + fcs.GetSerializedSize (); |
6065 | 239 |
m_stationManager->PrepareForQueue (hdr.GetAddr1 (), &hdr, |
240 |
packet, fullPacketSize); |
|
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|
241 |
m_queue->Enqueue (packet, hdr); |
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|
242 |
StartAccessIfNeeded (); |
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|
243 |
} |
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|
244 |
|
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|
245 |
int64_t |
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|
246 |
DcaTxop::AssignStreams (int64_t stream) |
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|
247 |
{ |
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|
248 |
NS_LOG_FUNCTION (this << stream); |
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|
249 |
m_rng->AssignStreams (stream); |
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|
250 |
return 1; |
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|
251 |
} |
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|
252 |
|
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|
253 |
void |
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|
254 |
DcaTxop::RestartAccessIfNeeded (void) |
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|
255 |
{ |
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|
256 |
NS_LOG_FUNCTION (this); |
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|
257 |
if ((m_currentPacket != 0 |
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|
258 |
|| !m_queue->IsEmpty ()) |
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|
259 |
&& !m_dcf->IsAccessRequested ()) |
2146
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|
260 |
{ |
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|
261 |
m_manager->RequestAccess (m_dcf); |
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|
262 |
} |
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|
263 |
} |
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|
264 |
|
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|
265 |
void |
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|
266 |
DcaTxop::StartAccessIfNeeded (void) |
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267 |
{ |
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|
268 |
NS_LOG_FUNCTION (this); |
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|
269 |
if (m_currentPacket == 0 |
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|
270 |
&& !m_queue->IsEmpty () |
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|
271 |
&& !m_dcf->IsAccessRequested ()) |
2146
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|
272 |
{ |
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|
273 |
m_manager->RequestAccess (m_dcf); |
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|
274 |
} |
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|
275 |
} |
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|
276 |
|
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|
277 |
|
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Hook trace sources into the trace system. Add WifiTrace to give a 'simple' API to tracing wifi-specific sources.
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|
278 |
Ptr<MacLow> |
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|
279 |
DcaTxop::Low (void) |
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|
280 |
{ |
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|
281 |
return m_low; |
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|
282 |
} |
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|
283 |
|
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|
284 |
bool |
6068 | 285 |
DcaTxop::NeedRts (Ptr<const Packet> packet, const WifiMacHeader *header) |
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|
286 |
{ |
6068 | 287 |
return m_stationManager->NeedRts (header->GetAddr1 (), header, |
288 |
packet); |
|
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|
289 |
} |
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|
290 |
|
6080 | 291 |
void |
292 |
DcaTxop::DoStart () |
|
293 |
{ |
|
294 |
m_dcf->ResetCw (); |
|
295 |
m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ())); |
|
296 |
ns3::Dcf::DoStart (); |
|
297 |
} |
|
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|
298 |
bool |
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49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
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|
299 |
DcaTxop::NeedRtsRetransmission (void) |
49006cbbfac7
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|
300 |
{ |
6065 | 301 |
return m_stationManager->NeedRtsRetransmission (m_currentHdr.GetAddr1 (), &m_currentHdr, |
302 |
m_currentPacket); |
|
2784
49006cbbfac7
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changeset
|
303 |
} |
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
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changeset
|
304 |
|
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
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changeset
|
305 |
bool |
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2592
diff
changeset
|
306 |
DcaTxop::NeedDataRetransmission (void) |
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
Federico Maguolo <maguolof@dei.unipd.it>
parents:
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diff
changeset
|
307 |
{ |
6065 | 308 |
return m_stationManager->NeedDataRetransmission (m_currentHdr.GetAddr1 (), &m_currentHdr, |
309 |
m_currentPacket); |
|
2784
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
Federico Maguolo <maguolof@dei.unipd.it>
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diff
changeset
|
310 |
} |
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
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diff
changeset
|
311 |
bool |
1929
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|
312 |
DcaTxop::NeedFragmentation (void) |
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diff
changeset
|
313 |
{ |
6065 | 314 |
return m_stationManager->NeedFragmentation (m_currentHdr.GetAddr1 (), &m_currentHdr, |
315 |
m_currentPacket); |
|
1929
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changeset
|
316 |
} |
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changeset
|
317 |
|
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|
318 |
void |
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changeset
|
319 |
DcaTxop::NextFragment (void) |
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diff
changeset
|
320 |
{ |
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diff
changeset
|
321 |
m_fragmentNumber++; |
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changeset
|
322 |
} |
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changeset
|
323 |
|
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diff
changeset
|
324 |
uint32_t |
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diff
changeset
|
325 |
DcaTxop::GetFragmentSize (void) |
437bba482899
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parents:
diff
changeset
|
326 |
{ |
6065 | 327 |
return m_stationManager->GetFragmentSize (m_currentHdr.GetAddr1 (), &m_currentHdr, |
328 |
m_currentPacket, m_fragmentNumber); |
|
1929
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diff
changeset
|
329 |
} |
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changeset
|
330 |
bool |
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7013
diff
changeset
|
331 |
DcaTxop::IsLastFragment (void) |
1929
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parents:
diff
changeset
|
332 |
{ |
6065 | 333 |
return m_stationManager->IsLastFragment (m_currentHdr.GetAddr1 (), &m_currentHdr, |
334 |
m_currentPacket, m_fragmentNumber); |
|
1929
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diff
changeset
|
335 |
} |
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diff
changeset
|
336 |
|
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changeset
|
337 |
uint32_t |
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7013
diff
changeset
|
338 |
DcaTxop::GetNextFragmentSize (void) |
1929
437bba482899
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parents:
diff
changeset
|
339 |
{ |
6065 | 340 |
return m_stationManager->GetFragmentSize (m_currentHdr.GetAddr1 (), &m_currentHdr, |
341 |
m_currentPacket, m_fragmentNumber + 1); |
|
1929
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diff
changeset
|
342 |
} |
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parents:
diff
changeset
|
343 |
|
3745
73e7bb607014
bug 372: fragmentation is broken
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3600
diff
changeset
|
344 |
uint32_t |
7141
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changeset
|
345 |
DcaTxop::GetFragmentOffset (void) |
3745
73e7bb607014
bug 372: fragmentation is broken
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3600
diff
changeset
|
346 |
{ |
6065 | 347 |
return m_stationManager->GetFragmentOffset (m_currentHdr.GetAddr1 (), &m_currentHdr, |
348 |
m_currentPacket, m_fragmentNumber); |
|
3745
73e7bb607014
bug 372: fragmentation is broken
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parents:
3600
diff
changeset
|
349 |
} |
73e7bb607014
bug 372: fragmentation is broken
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3600
diff
changeset
|
350 |
|
2159
20f882e85b4a
port to Ptr<Packet> branch
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parents:
2146
diff
changeset
|
351 |
Ptr<Packet> |
1929
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diff
changeset
|
352 |
DcaTxop::GetFragmentPacket (WifiMacHeader *hdr) |
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diff
changeset
|
353 |
{ |
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diff
changeset
|
354 |
*hdr = m_currentHdr; |
437bba482899
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diff
changeset
|
355 |
hdr->SetFragmentNumber (m_fragmentNumber); |
3745
73e7bb607014
bug 372: fragmentation is broken
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3600
diff
changeset
|
356 |
uint32_t startOffset = GetFragmentOffset (); |
2159
20f882e85b4a
port to Ptr<Packet> branch
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parents:
2146
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changeset
|
357 |
Ptr<Packet> fragment; |
7141
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parents:
7013
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changeset
|
358 |
if (IsLastFragment ()) |
1929
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diff
changeset
|
359 |
{ |
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diff
changeset
|
360 |
hdr->SetNoMoreFragments (); |
7141
072fb225b714
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Nicola Baldo <nicola@baldo.biz>
parents:
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diff
changeset
|
361 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
362 |
else |
1929
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parents:
diff
changeset
|
363 |
{ |
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parents:
diff
changeset
|
364 |
hdr->SetMoreFragments (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
365 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
366 |
fragment = m_currentPacket->CreateFragment (startOffset, |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
367 |
GetFragmentSize ()); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
368 |
return fragment; |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
369 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
370 |
|
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
371 |
bool |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
372 |
DcaTxop::NeedsAccess (void) const |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
373 |
{ |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
374 |
return !m_queue->IsEmpty () || m_currentPacket != 0; |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
375 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
376 |
void |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
377 |
DcaTxop::NotifyAccessGranted (void) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
378 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
379 |
NS_LOG_FUNCTION (this); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
380 |
if (m_currentPacket == 0) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
381 |
{ |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
382 |
if (m_queue->IsEmpty ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
383 |
{ |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
384 |
NS_LOG_DEBUG ("queue empty"); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
385 |
return; |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
386 |
} |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
387 |
m_currentPacket = m_queue->Dequeue (&m_currentHdr); |
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
388 |
NS_ASSERT (m_currentPacket != 0); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
389 |
uint16_t sequence = m_txMiddle->GetNextSequenceNumberfor (&m_currentHdr); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
390 |
m_currentHdr.SetSequenceNumber (sequence); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
391 |
m_currentHdr.SetFragmentNumber (0); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
392 |
m_currentHdr.SetNoMoreFragments (); |
2161
f5086fb78018
make sure that the retry bit is correctly initialized
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2159
diff
changeset
|
393 |
m_currentHdr.SetNoRetry (); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
394 |
m_fragmentNumber = 0; |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
395 |
NS_LOG_DEBUG ("dequeued size=" << m_currentPacket->GetSize () << |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
396 |
", to=" << m_currentHdr.GetAddr1 () << |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
397 |
", seq=" << m_currentHdr.GetSequenceControl ()); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
398 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
399 |
MacLowTransmissionParameters params; |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
400 |
params.DisableOverrideDurationId (); |
4079
210d64d11998
add wifi multicast support. Based on patch by Mauchle Fabian.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3953
diff
changeset
|
401 |
if (m_currentHdr.GetAddr1 ().IsGroup ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
402 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
403 |
params.DisableRts (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
404 |
params.DisableAck (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
405 |
params.DisableNextData (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
406 |
Low ()->StartTransmission (m_currentPacket, |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
407 |
&m_currentHdr, |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
408 |
params, |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
409 |
m_transmissionListener); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
410 |
m_currentPacket = 0; |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
411 |
m_dcf->ResetCw (); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
412 |
m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ())); |
2911
7d6721a53b51
fix bug reported by Gustavo Carneiro: AP does not reply to ARP request.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
413 |
StartAccessIfNeeded (); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
414 |
NS_LOG_DEBUG ("tx broadcast"); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
415 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
416 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
417 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
418 |
params.EnableAck (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
419 |
|
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
420 |
if (NeedFragmentation ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
421 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
422 |
WifiMacHeader hdr; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
423 |
Ptr<Packet> fragment = GetFragmentPacket (&hdr); |
6068 | 424 |
if (NeedRts (fragment, &hdr)) |
5900
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
425 |
{ |
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
426 |
params.EnableRts (); |
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
427 |
} |
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
428 |
else |
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
429 |
{ |
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
430 |
params.DisableRts (); |
c4b8a337fc29
bug 725: wifi fragmentation and RTS cannot be used at the same time
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
5189
diff
changeset
|
431 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
432 |
if (IsLastFragment ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
433 |
{ |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
434 |
NS_LOG_DEBUG ("fragmenting last fragment size=" << fragment->GetSize ()); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
435 |
params.DisableNextData (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
436 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
437 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
438 |
{ |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
439 |
NS_LOG_DEBUG ("fragmenting size=" << fragment->GetSize ()); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
440 |
params.EnableNextData (GetNextFragmentSize ()); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
441 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
442 |
Low ()->StartTransmission (fragment, &hdr, params, |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
443 |
m_transmissionListener); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
444 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
445 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
446 |
{ |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
447 |
if (NeedRts (m_currentPacket, &m_currentHdr)) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
448 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
449 |
params.EnableRts (); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
450 |
NS_LOG_DEBUG ("tx unicast rts"); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
451 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
452 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
453 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
454 |
params.DisableRts (); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
455 |
NS_LOG_DEBUG ("tx unicast"); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
456 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
457 |
params.DisableNextData (); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
458 |
Low ()->StartTransmission (m_currentPacket, &m_currentHdr, |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
459 |
params, m_transmissionListener); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
460 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
461 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
462 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
463 |
|
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
464 |
void |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
465 |
DcaTxop::NotifyInternalCollision (void) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
466 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
467 |
NS_LOG_FUNCTION (this); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
468 |
NotifyCollision (); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
469 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
470 |
void |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
471 |
DcaTxop::NotifyCollision (void) |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
472 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
473 |
NS_LOG_FUNCTION (this); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
474 |
NS_LOG_DEBUG ("collision"); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
475 |
m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ())); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
476 |
RestartAccessIfNeeded (); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
477 |
} |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
478 |
|
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
479 |
void |
5189 | 480 |
DcaTxop::NotifyChannelSwitching (void) |
481 |
{ |
|
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
482 |
m_queue->Flush (); |
5189 | 483 |
m_currentPacket = 0; |
484 |
} |
|
485 |
||
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
486 |
void |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
487 |
DcaTxop::GotCts (double snr, WifiMode txMode) |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
488 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
489 |
NS_LOG_FUNCTION (this << snr << txMode); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
490 |
NS_LOG_DEBUG ("got cts"); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
491 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
492 |
void |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
493 |
DcaTxop::MissedCts (void) |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
494 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
495 |
NS_LOG_FUNCTION (this); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
496 |
NS_LOG_DEBUG ("missed cts"); |
2784
49006cbbfac7
GetMaxSsrc -> NeedRtsTransmission and GetMaxSlrc -> NeedDataRetransmission
Federico Maguolo <maguolof@dei.unipd.it>
parents:
2592
diff
changeset
|
497 |
if (!NeedRtsRetransmission ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
498 |
{ |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
499 |
NS_LOG_DEBUG ("Cts Fail"); |
6065 | 500 |
m_stationManager->ReportFinalRtsFailed (m_currentHdr.GetAddr1 (), &m_currentHdr); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
501 |
if (!m_txFailedCallback.IsNull ()) |
3953
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
502 |
{ |
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
503 |
m_txFailedCallback (m_currentHdr); |
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
504 |
} |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
505 |
// to reset the dcf. |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
506 |
m_currentPacket = 0; |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
507 |
m_dcf->ResetCw (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
508 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
509 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
510 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
511 |
m_dcf->UpdateFailedCw (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
512 |
} |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
513 |
m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ())); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
514 |
RestartAccessIfNeeded (); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
515 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
516 |
void |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
517 |
DcaTxop::GotAck (double snr, WifiMode txMode) |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
518 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
519 |
NS_LOG_FUNCTION (this << snr << txMode); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
520 |
if (!NeedFragmentation () |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
521 |
|| IsLastFragment ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
522 |
{ |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
523 |
NS_LOG_DEBUG ("got ack. tx done."); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
524 |
if (!m_txOkCallback.IsNull ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
525 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
526 |
m_txOkCallback (m_currentHdr); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
527 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
528 |
|
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
529 |
/* we are not fragmenting or we are done fragmenting |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
530 |
* so we can get rid of that packet now. |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
531 |
*/ |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
532 |
m_currentPacket = 0; |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
533 |
m_dcf->ResetCw (); |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
534 |
m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ())); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
535 |
RestartAccessIfNeeded (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
536 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
537 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
538 |
{ |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
539 |
NS_LOG_DEBUG ("got ack. tx not done, size=" << m_currentPacket->GetSize ()); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
540 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
541 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
542 |
void |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
543 |
DcaTxop::MissedAck (void) |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
544 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
545 |
NS_LOG_FUNCTION (this); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
546 |
NS_LOG_DEBUG ("missed ack"); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
547 |
if (!NeedDataRetransmission ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
548 |
{ |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
549 |
NS_LOG_DEBUG ("Ack Fail"); |
6065 | 550 |
m_stationManager->ReportFinalDataFailed (m_currentHdr.GetAddr1 (), &m_currentHdr); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
551 |
if (!m_txFailedCallback.IsNull ()) |
3953
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
552 |
{ |
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
553 |
m_txFailedCallback (m_currentHdr); |
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
554 |
} |
4ac29a986eef
bug 396: try harder to send ASSOCIATION_RESPONSE frames.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
3745
diff
changeset
|
555 |
// to reset the dcf. |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
556 |
m_currentPacket = 0; |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
557 |
m_dcf->ResetCw (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
558 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
559 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
560 |
{ |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
561 |
NS_LOG_DEBUG ("Retransmit"); |
2092
885ebd975e88
set the retry bit and use it to filter duplicates
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2091
diff
changeset
|
562 |
m_currentHdr.SetRetry (); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
563 |
m_dcf->UpdateFailedCw (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
564 |
} |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
565 |
m_dcf->StartBackoffNow (m_rng->GetNext (0, m_dcf->GetCw ())); |
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
566 |
RestartAccessIfNeeded (); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
567 |
} |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
568 |
void |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
569 |
DcaTxop::StartNext (void) |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
570 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
571 |
NS_LOG_FUNCTION (this); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
572 |
NS_LOG_DEBUG ("start next packet fragment"); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
573 |
/* this callback is used only for fragments. */ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
574 |
NextFragment (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
575 |
WifiMacHeader hdr; |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2146
diff
changeset
|
576 |
Ptr<Packet> fragment = GetFragmentPacket (&hdr); |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
577 |
MacLowTransmissionParameters params; |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
578 |
params.EnableAck (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
579 |
params.DisableRts (); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
580 |
params.DisableOverrideDurationId (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
581 |
if (IsLastFragment ()) |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
582 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
583 |
params.DisableNextData (); |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
584 |
} |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
585 |
else |
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
586 |
{ |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
587 |
params.EnableNextData (GetNextFragmentSize ()); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
588 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
589 |
Low ()->StartTransmission (fragment, &hdr, params, m_transmissionListener); |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
590 |
} |
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
591 |
|
2091
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
592 |
void |
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
593 |
DcaTxop::Cancel (void) |
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
594 |
{ |
2985
fa0747c4ad5e
use function logging macros
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2784
diff
changeset
|
595 |
NS_LOG_FUNCTION (this); |
5976
dba5c9b69c3b
use NS_LOG_APPEND_CONTEXT instead of MY_DEBUG macro
Mirko Banchi <mk.banchi@gmail.com>
parents:
5906
diff
changeset
|
596 |
NS_LOG_DEBUG ("transmission cancelled"); |
2091
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
597 |
/** |
2094
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
598 |
* This happens in only one case: in an AP, you have two DcaTxop: |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
599 |
* - one is used exclusively for beacons and has a high priority. |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
600 |
* - the other is used for everything else and has a normal |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
601 |
* priority. |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
602 |
* |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
603 |
* If the normal queue tries to send a unicast data frame, but |
2094
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
604 |
* if the tx fails (ack timeout), it starts a backoff. If the beacon |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
605 |
* queue gets a tx oportunity during this backoff, it will trigger |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
606 |
* a call to this Cancel function. |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
607 |
* |
2146
40ad60ac9912
replace Dcf with DcfManager
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2094
diff
changeset
|
608 |
* Since we are already doing a backoff, we will get access to |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
609 |
* the medium when we can, we have nothing to do here. We just |
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
610 |
* ignore the cancel event and wait until we are given again a |
2094
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
611 |
* tx oportunity. |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
612 |
* |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
613 |
* Note that this is really non-trivial because each of these |
7141
072fb225b714
run check-style.py on src/wifi
Nicola Baldo <nicola@baldo.biz>
parents:
7013
diff
changeset
|
614 |
* frames is assigned a sequence number from the same sequence |
2094
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
615 |
* counter (because this is a non-802.11e device) so, the scheme |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
616 |
* described here fails to ensure in-order delivery of frames |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
617 |
* at the receiving side. This, however, does not matter in |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
618 |
* this case because we assume that the receiving side does not |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
619 |
* update its <seq,ad> tupple for packets whose destination |
ba3caa8ee26d
do nothing on cancel and explain why.
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2092
diff
changeset
|
620 |
* address is a broadcast address. |
2091
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
621 |
*/ |
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
622 |
} |
9ef23a8f0980
handle cancel events
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2087
diff
changeset
|
623 |
|
1929
437bba482899
add DcaTxop to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
624 |
} // namespace ns3 |