author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Sat, 01 Mar 2008 21:21:53 +0100 | |
changeset 2524 | db72c0e7743e |
parent 2350 | src/devices/wifi/mac-high-nqap.cc@0b54480c4fd1 |
child 2528 | a527ec47b756 |
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) 2005,2006 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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#include "ns3/assert.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 "nqap-wifi-mac.h" |
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#include "dca-txop.h" |
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#include "wifi-mac-header.h" |
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#include "mgt-headers.h" |
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#include "wifi-phy.h" |
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#include "dcf-manager.h" |
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#include "mac-rx-middle.h" |
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#include "mac-low.h" |
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NS_LOG_COMPONENT_DEFINE ("NqapWifiMac"); |
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#define TRACE(x) \ |
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NS_LOG_DEBUG(Simulator::Now () << " " << GetAddress () << " " << x); |
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namespace ns3 { |
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NS_OBJECT_ENSURE_REGISTERED (NqapWifiMac); |
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TypeId |
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NqapWifiMac::GetTypeId (void) |
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{ |
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static TypeId tid = TypeId ("NqapWifiMac") |
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.SetParent<WifiMac> () |
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.AddConstructor<NqapWifiMac> () |
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.AddAttribute ("BeaconInterval", "Delay between two beacons", |
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Seconds (1.0), |
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MakeTimeAccessor (&NqapWifiMac::m_beaconInterval), |
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MakeTimeChecker ()) |
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; |
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return tid; |
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} |
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|
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NqapWifiMac::NqapWifiMac () |
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{ |
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m_dcfManager = new DcfManager (); |
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m_rxMiddle = new MacRxMiddle (); |
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m_rxMiddle->SetForwardCallback (MakeCallback (&NqapWifiMac::Receive, this)); |
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|
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m_low = new MacLow (); |
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m_low->SetRxCallback (MakeCallback (&MacRxMiddle::Receive, m_rxMiddle)); |
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|
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m_dca = CreateObject<DcaTxop> (); |
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m_dca->SetLow (m_low); |
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m_dca->SetManager (m_dcfManager); |
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m_dca->SetTxOkCallback (MakeCallback (&NqapWifiMac::TxOk, this)); |
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m_dca->SetTxFailedCallback (MakeCallback (&NqapWifiMac::TxFailed, this)); |
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m_beaconDca = CreateObject<DcaTxop> (); |
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m_beaconDca->SetLow (m_low); |
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m_beaconDca->SetManager (m_dcfManager); |
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} |
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NqapWifiMac::~NqapWifiMac () |
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{} |
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|
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void |
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NqapWifiMac::DoDispose (void) |
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{ |
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delete m_rxMiddle; |
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delete m_low; |
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m_rxMiddle = 0; |
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m_low = 0; |
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m_phy = 0; |
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m_dca = 0; |
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m_beaconDca = 0; |
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WifiMac::DoDispose (); |
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} |
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|
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|
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void |
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NqapWifiMac::SetWifiPhy (Ptr<WifiPhy> phy) |
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{ |
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m_phy = phy; |
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} |
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void |
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NqapWifiMac::SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> stationManager) |
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{ |
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m_stationManager = stationManager; |
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} |
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void |
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NqapWifiMac::SetForwardUpCallback (Callback<void,Ptr<Packet>, const Mac48Address &> upCallback) |
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106 |
{ |
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m_upCallback = upCallback; |
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} |
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void |
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110 |
NqapWifiMac::SetLinkUpCallback (Callback<void> linkUp) |
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111 |
{ |
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112 |
|
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113 |
} |
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114 |
void |
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115 |
NqapWifiMac::SetLinkDownCallback (Callback<void> linkDown) |
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116 |
{ |
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117 |
|
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118 |
} |
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119 |
Mac48Address |
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120 |
NqapWifiMac::GetAddress (void) const |
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121 |
{ |
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122 |
return m_address; |
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123 |
} |
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124 |
Ssid |
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125 |
NqapWifiMac::GetSsid (void) const |
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126 |
{ |
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127 |
return m_ssid; |
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128 |
} |
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129 |
Mac48Address |
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130 |
NqapWifiMac::GetBssid (void) const |
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131 |
{ |
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132 |
return m_address; |
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133 |
} |
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134 |
void |
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135 |
NqapWifiMac::SetAddress (Mac48Address address) |
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136 |
{ |
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137 |
m_address = address; |
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138 |
} |
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139 |
void |
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140 |
NqapWifiMac::SetSsid (Ssid ssid) |
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141 |
{ |
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142 |
m_ssid = ssid; |
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143 |
} |
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144 |
|
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145 |
|
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146 |
void |
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147 |
NqapWifiMac::SetBeaconInterval (Time interval) |
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148 |
{ |
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|
149 |
m_beaconInterval = interval; |
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150 |
} |
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151 |
void |
2524
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152 |
NqapWifiMac::StartBeaconing (void) |
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153 |
{ |
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154 |
SendOneBeacon (); |
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155 |
} |
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156 |
void |
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157 |
NqapWifiMac::ForwardUp (Ptr<Packet> packet, Mac48Address from) |
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158 |
{ |
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159 |
m_upCallback (packet, from); |
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|
160 |
} |
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|
161 |
void |
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|
162 |
NqapWifiMac::ForwardDown (Ptr<const Packet> packet, Mac48Address from, Mac48Address to) |
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|
163 |
{ |
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164 |
WifiMacHeader hdr; |
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|
165 |
hdr.SetTypeData (); |
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|
166 |
hdr.SetAddr1 (to); |
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|
167 |
hdr.SetAddr2 (GetAddress ()); |
1940
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|
168 |
hdr.SetAddr3 (from); |
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|
169 |
hdr.SetDsFrom (); |
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|
170 |
hdr.SetDsNotTo (); |
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|
171 |
m_dca->Queue (packet, hdr); |
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|
172 |
} |
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|
173 |
void |
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|
174 |
NqapWifiMac::Enqueue (Ptr<const Packet> packet, Mac48Address to) |
1940
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|
175 |
{ |
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|
176 |
ForwardDown (packet, GetAddress (), to); |
1940
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|
177 |
} |
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|
178 |
SupportedRates |
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|
179 |
NqapWifiMac::GetSupportedRates (void) const |
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|
180 |
{ |
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|
181 |
// send the set of supported rates and make sure that we indicate |
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|
182 |
// the Basic Rate set in this set of supported rates. |
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|
183 |
SupportedRates rates; |
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|
184 |
for (uint32_t i = 0; i < m_phy->GetNModes (); i++) |
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|
185 |
{ |
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|
186 |
WifiMode mode = m_phy->GetMode (i); |
2164
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|
187 |
rates.AddSupportedRate (mode.GetDataRate ()); |
2028
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|
188 |
} |
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|
189 |
// set the basic rates |
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|
190 |
for (uint32_t j = 0; j < m_stationManager->GetNBasicModes (); j++) |
2028
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changeset
|
191 |
{ |
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|
192 |
WifiMode mode = m_stationManager->GetBasicMode (j); |
2164
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|
193 |
rates.SetBasicRate (mode.GetDataRate ()); |
2028
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|
194 |
} |
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|
195 |
return rates; |
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|
196 |
} |
1940
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|
197 |
void |
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|
198 |
NqapWifiMac::SendProbeResp (Mac48Address to) |
1940
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|
199 |
{ |
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|
200 |
TRACE ("send probe response to="<<to); |
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|
201 |
WifiMacHeader hdr; |
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|
202 |
hdr.SetProbeResp (); |
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|
203 |
hdr.SetAddr1 (to); |
2524
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|
204 |
hdr.SetAddr2 (GetAddress ()); |
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|
205 |
hdr.SetAddr3 (GetAddress ()); |
1940
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|
206 |
hdr.SetDsNotFrom (); |
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|
207 |
hdr.SetDsNotTo (); |
2159
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changeset
|
208 |
Ptr<Packet> packet = Create<Packet> (); |
1940
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|
209 |
MgtProbeResponseHeader probe; |
2524
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|
210 |
probe.SetSsid (GetSsid ()); |
2028
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2012
diff
changeset
|
211 |
probe.SetSupportedRates (GetSupportedRates ()); |
2058
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diff
changeset
|
212 |
probe.SetBeaconIntervalUs (m_beaconInterval.GetMicroSeconds ()); |
2159
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|
213 |
packet->AddHeader (probe); |
2028
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diff
changeset
|
214 |
|
1940
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|
215 |
m_dca->Queue (packet, hdr); |
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|
216 |
} |
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|
217 |
void |
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|
218 |
NqapWifiMac::SendAssocResp (Mac48Address to, bool success) |
1940
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|
219 |
{ |
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|
220 |
TRACE ("send assoc response to="<<to); |
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diff
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|
221 |
WifiMacHeader hdr; |
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diff
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|
222 |
hdr.SetAssocResp (); |
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diff
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|
223 |
hdr.SetAddr1 (to); |
2524
db72c0e7743e
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parents:
2350
diff
changeset
|
224 |
hdr.SetAddr2 (GetAddress ()); |
db72c0e7743e
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parents:
2350
diff
changeset
|
225 |
hdr.SetAddr3 (GetAddress ()); |
1940
6c62be5cf73a
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parents:
diff
changeset
|
226 |
hdr.SetDsNotFrom (); |
6c62be5cf73a
add NQap to build
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parents:
diff
changeset
|
227 |
hdr.SetDsNotTo (); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2156
diff
changeset
|
228 |
Ptr<Packet> packet = Create<Packet> (); |
1940
6c62be5cf73a
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parents:
diff
changeset
|
229 |
MgtAssocResponseHeader assoc; |
6c62be5cf73a
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parents:
diff
changeset
|
230 |
StatusCode code; |
2010
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
231 |
if (success) |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
232 |
{ |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
233 |
code.SetSuccess (); |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
234 |
} |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
235 |
else |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
236 |
{ |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
237 |
code.SetFailure (); |
e2e16c1712c8
handle the BasicRateSet in the AP
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
1964
diff
changeset
|
238 |
} |
2028
20e87f08a04b
set the supported rates in assoc resp frames
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2012
diff
changeset
|
239 |
assoc.SetSupportedRates (GetSupportedRates ()); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
240 |
assoc.SetStatusCode (code); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2156
diff
changeset
|
241 |
packet->AddHeader (assoc); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
242 |
|
6c62be5cf73a
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
243 |
m_dca->Queue (packet, hdr); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
244 |
} |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
245 |
void |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
246 |
NqapWifiMac::SendOneBeacon (void) |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
247 |
{ |
2154
4c0e94f7237b
fix small typo in debug log output
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2089
diff
changeset
|
248 |
TRACE ("send beacon to="<<Mac48Address::GetBroadcast ()); |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
249 |
WifiMacHeader hdr; |
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
250 |
hdr.SetBeacon (); |
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
251 |
hdr.SetAddr1 (Mac48Address::GetBroadcast ()); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
252 |
hdr.SetAddr2 (GetAddress ()); |
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
253 |
hdr.SetAddr3 (GetAddress ()); |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
254 |
hdr.SetDsNotFrom (); |
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
255 |
hdr.SetDsNotTo (); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2156
diff
changeset
|
256 |
Ptr<Packet> packet = Create<Packet> (); |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
257 |
MgtBeaconHeader beacon; |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
258 |
beacon.SetSsid (GetSsid ()); |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
259 |
beacon.SetSupportedRates (GetSupportedRates ()); |
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
260 |
beacon.SetBeaconIntervalUs (m_beaconInterval.GetMicroSeconds ()); |
2159
20f882e85b4a
port to Ptr<Packet> branch
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2156
diff
changeset
|
261 |
packet->AddHeader (beacon); |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
262 |
|
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
263 |
m_beaconDca->Queue (packet, hdr); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
264 |
Simulator::Schedule (m_beaconInterval, &NqapWifiMac::SendOneBeacon, this); |
2089
f6d8dea92b39
implement AP beaconing
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2058
diff
changeset
|
265 |
} |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
266 |
void |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
267 |
NqapWifiMac::TxOk (WifiMacHeader const &hdr) |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
268 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
269 |
WifiRemoteStation *station = m_stationManager->Lookup (hdr.GetAddr1 ()); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
270 |
if (hdr.IsAssocResp () && |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
271 |
station->IsWaitAssocTxOk ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
272 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
273 |
TRACE ("associated with sta="<<hdr.GetAddr1 ()); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
274 |
station->RecordGotAssocTxOk (); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
275 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
276 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
277 |
void |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
278 |
NqapWifiMac::TxFailed (WifiMacHeader const &hdr) |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
279 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
280 |
WifiRemoteStation *station = m_stationManager->Lookup (hdr.GetAddr1 ()); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
281 |
if (hdr.IsAssocResp () && |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
282 |
station->IsWaitAssocTxOk ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
283 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
284 |
TRACE ("assoc failed with sta="<<hdr.GetAddr1 ()); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
285 |
station->RecordGotAssocTxFailed (); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
286 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
287 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
288 |
void |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
289 |
NqapWifiMac::Receive (Ptr<Packet> packet, WifiMacHeader const *hdr) |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
290 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
291 |
WifiRemoteStation *station = m_stationManager->Lookup (hdr->GetAddr2 ()); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
292 |
|
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
293 |
if (hdr->IsData ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
294 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
295 |
if (!hdr->IsFromDs () && |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
296 |
hdr->IsToDs () && |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
297 |
hdr->GetAddr1 () == GetAddress () && |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
298 |
station->IsAssociated ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
299 |
{ |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
300 |
if (hdr->GetAddr3 () == GetAddress ()) |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
301 |
{ |
2208
48ed970f6120
copy the packet before sending it down or up
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2164
diff
changeset
|
302 |
TRACE ("frame for me from="<<hdr->GetAddr2 ()); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
303 |
ForwardUp (packet, hdr->GetAddr2 ()); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
304 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
305 |
else |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
306 |
{ |
2208
48ed970f6120
copy the packet before sending it down or up
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2164
diff
changeset
|
307 |
TRACE ("forwarding frame from="<<hdr->GetAddr2 ()<<", to="<<hdr->GetAddr3 ()); |
48ed970f6120
copy the packet before sending it down or up
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2164
diff
changeset
|
308 |
Ptr<Packet> copy = packet->Copy (); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
309 |
ForwardDown (packet, |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
310 |
hdr->GetAddr2 (), |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
311 |
hdr->GetAddr3 ()); |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
312 |
ForwardUp (copy, hdr->GetAddr2 ()); |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
313 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
314 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
315 |
else if (hdr->IsFromDs () && |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
316 |
hdr->IsToDs ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
317 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
318 |
// this is an AP-to-AP frame |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
319 |
// we ignore for now. |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
320 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
321 |
else |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
322 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
323 |
// we can ignore these frames since |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
324 |
// they are not targeted at the AP |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
325 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
326 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
327 |
else if (hdr->IsMgt ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
328 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
329 |
if (hdr->IsProbeReq ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
330 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
331 |
NS_ASSERT (hdr->GetAddr1 ().IsBroadcast ()); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
332 |
SendProbeResp (hdr->GetAddr2 ()); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
333 |
} |
2524
db72c0e7743e
port wifi model to Attributes
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
2350
diff
changeset
|
334 |
else if (hdr->GetAddr1 () == GetAddress ()) |
1940
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
335 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
336 |
if (hdr->IsAssocReq ()) |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
337 |
{ |
2010
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1964
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|
338 |
// first, verify that the the station's supported |
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1964
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|
339 |
// rate set is compatible with our Basic Rate set |
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1964
diff
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|
340 |
MgtAssocRequestHeader assocReq; |
2159
20f882e85b4a
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|
341 |
packet->RemoveHeader (assocReq); |
2010
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|
342 |
SupportedRates rates = assocReq.GetSupportedRates (); |
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1964
diff
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|
343 |
bool problem = false; |
2524
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|
344 |
for (uint32_t i = 0; i < m_stationManager->GetNBasicModes (); i++) |
2010
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1964
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|
345 |
{ |
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|
346 |
WifiMode mode = m_stationManager->GetBasicMode (i); |
2164
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2159
diff
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|
347 |
if (!rates.IsSupportedRate (mode.GetDataRate ())) |
2010
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parents:
1964
diff
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|
348 |
{ |
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1964
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|
349 |
problem = true; |
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1964
diff
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|
350 |
break; |
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1964
diff
changeset
|
351 |
} |
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1964
diff
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|
352 |
} |
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1964
diff
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|
353 |
if (problem) |
e2e16c1712c8
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parents:
1964
diff
changeset
|
354 |
{ |
e2e16c1712c8
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parents:
1964
diff
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|
355 |
// one of the Basic Rate set mode is not |
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parents:
1964
diff
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|
356 |
// supported by the station. So, we return an assoc |
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parents:
1964
diff
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|
357 |
// response with an error status. |
e2e16c1712c8
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parents:
1964
diff
changeset
|
358 |
SendAssocResp (hdr->GetAddr2 (), false); |
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parents:
1964
diff
changeset
|
359 |
} |
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1964
diff
changeset
|
360 |
else |
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parents:
1964
diff
changeset
|
361 |
{ |
e2e16c1712c8
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1964
diff
changeset
|
362 |
// station supports all rates in Basic Rate Set. |
2524
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diff
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|
363 |
// record all its supported modes in its associated WifiRemoteStation |
2010
e2e16c1712c8
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parents:
1964
diff
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|
364 |
for (uint32_t j = 0; j < m_phy->GetNModes (); j++) |
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parents:
1964
diff
changeset
|
365 |
{ |
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1964
diff
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|
366 |
WifiMode mode = m_phy->GetMode (j); |
2164
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parents:
2159
diff
changeset
|
367 |
if (rates.IsSupportedRate (mode.GetDataRate ())) |
2010
e2e16c1712c8
handle the BasicRateSet in the AP
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parents:
1964
diff
changeset
|
368 |
{ |
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parents:
1964
diff
changeset
|
369 |
station->AddSupportedMode (mode); |
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parents:
1964
diff
changeset
|
370 |
} |
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1964
diff
changeset
|
371 |
} |
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parents:
1964
diff
changeset
|
372 |
station->RecordWaitAssocTxOk (); |
e2e16c1712c8
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parents:
1964
diff
changeset
|
373 |
// send assoc response with success status. |
e2e16c1712c8
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parents:
1964
diff
changeset
|
374 |
SendAssocResp (hdr->GetAddr2 (), true); |
e2e16c1712c8
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parents:
1964
diff
changeset
|
375 |
} |
1940
6c62be5cf73a
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parents:
diff
changeset
|
376 |
} |
6c62be5cf73a
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parents:
diff
changeset
|
377 |
else if (hdr->IsDisassociation ()) |
6c62be5cf73a
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parents:
diff
changeset
|
378 |
{ |
6c62be5cf73a
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parents:
diff
changeset
|
379 |
station->RecordDisassociated (); |
6c62be5cf73a
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parents:
diff
changeset
|
380 |
} |
6c62be5cf73a
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parents:
diff
changeset
|
381 |
else if (hdr->IsReassocReq ()) |
6c62be5cf73a
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parents:
diff
changeset
|
382 |
{ |
6c62be5cf73a
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parents:
diff
changeset
|
383 |
/* we don't support reassoc frames for now */ |
6c62be5cf73a
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parents:
diff
changeset
|
384 |
} |
6c62be5cf73a
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parents:
diff
changeset
|
385 |
else if (hdr->IsAuthentication () || |
6c62be5cf73a
add NQap to build
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parents:
diff
changeset
|
386 |
hdr->IsDeauthentication ()) |
6c62be5cf73a
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parents:
diff
changeset
|
387 |
{ |
6c62be5cf73a
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parents:
diff
changeset
|
388 |
/* |
6c62be5cf73a
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parents:
diff
changeset
|
389 |
*/ |
6c62be5cf73a
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parents:
diff
changeset
|
390 |
} |
6c62be5cf73a
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parents:
diff
changeset
|
391 |
else |
6c62be5cf73a
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
392 |
{ |
6c62be5cf73a
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parents:
diff
changeset
|
393 |
/* unknown mgt frame |
6c62be5cf73a
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parents:
diff
changeset
|
394 |
*/ |
6c62be5cf73a
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parents:
diff
changeset
|
395 |
} |
6c62be5cf73a
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
396 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
397 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
398 |
else |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
399 |
{ |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
400 |
/* damn, what could this be ? a control frame ? |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
401 |
* control frames should never reach the MacHigh so, |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
402 |
* this is likely to be a bug. assert. |
6c62be5cf73a
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Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
403 |
*/ |
6c62be5cf73a
add NQap to build
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parents:
diff
changeset
|
404 |
NS_ASSERT (false); |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
405 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
406 |
} |
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
407 |
|
6c62be5cf73a
add NQap to build
Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
parents:
diff
changeset
|
408 |
} // namespace ns3 |