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| 1 /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */ |
| 2 /* |
| 3 * Copyright (c) 2008 INRIA |
| 4 * |
| 5 * This program is free software; you can redistribute it and/or modify |
| 6 * it under the terms of the GNU General Public License version 2 as |
| 7 * published by the Free Software Foundation; |
| 8 * |
| 9 * This program is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 * GNU General Public License for more details. |
| 13 * |
| 14 * You should have received a copy of the GNU General Public License |
| 15 * along with this program; if not, write to the Free Software |
| 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 * |
| 18 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>,· |
| 19 * Ashwin Narayan <ashwin.narayan89@gmail.com> |
| 20 */ |
| 21 #include "monitor-wifi-mac.h" |
| 22 |
| 23 #include "ns3/log.h" |
| 24 #include "ns3/boolean.h" |
| 25 #include "ns3/pointer.h" |
| 26 #include "ns3/uinteger.h" |
| 27 #include "ns3/trace-source-accessor.h" |
| 28 #include "ns3/abort.h" |
| 29 |
| 30 #include "mac-rx-middle.h" |
| 31 #include "mac-tx-middle.h" |
| 32 #include "mac-low.h" |
| 33 #include "dcf.h" |
| 34 #include "dcf-manager.h" |
| 35 #include "wifi-phy.h" |
| 36 |
| 37 #include "msdu-aggregator.h" |
| 38 |
| 39 NS_LOG_COMPONENT_DEFINE ("MonitorWifiMac"); |
| 40 |
| 41 namespace ns3 { |
| 42 |
| 43 NS_OBJECT_ENSURE_REGISTERED (MonitorWifiMac); |
| 44 |
| 45 TypeId |
| 46 MonitorWifiMac::GetTypeId (void) |
| 47 { |
| 48 static TypeId tid = TypeId ("ns3::MonitorWifiMac") |
| 49 .SetParent<WifiMac> () |
| 50 .AddConstructor<MonitorWifiMac> () |
| 51 ; |
| 52 return tid; |
| 53 } |
| 54 |
| 55 /* |
| 56 * Please note that WifiNetDevice::SetMonitorMode () must· |
| 57 * be invoked for this to work correctly. |
| 58 * |
| 59 * Functions that have been inherited but not used have been |
| 60 * given empty implementations owing to the fact that they· |
| 61 * are not applicable. |
| 62 * |
| 63 */ |
| 64 |
| 65 MonitorWifiMac::MonitorWifiMac () |
| 66 { |
| 67 NS_LOG_FUNCTION (this); |
| 68 m_rxMiddle = new MacRxMiddle (); |
| 69 m_rxMiddle->SetForwardCallback (MakeCallback (&MonitorWifiMac::Receive, this))
; |
| 70 |
| 71 m_txMiddle = new MacTxMiddle (); |
| 72 |
| 73 m_low = CreateObject<MacLow> (); |
| 74 m_low->SetRxCallback (MakeCallback (&MacRxMiddle::Receive, m_rxMiddle)); |
| 75 m_low->SetPromisc (); // Enables Monitor Mode functionality |
| 76 |
| 77 m_dcfManager = new DcfManager (); |
| 78 m_dcfManager->SetupLowListener (m_low); |
| 79 |
| 80 m_dca = CreateObject<DcaTxop> (); |
| 81 m_dca->SetLow (m_low); |
| 82 m_dca->SetManager (m_dcfManager); |
| 83 m_dca->SetTxOkCallback (MakeCallback (&MonitorWifiMac::TxOk, this)); |
| 84 m_dca->SetTxFailedCallback (MakeCallback (&MonitorWifiMac::TxFailed, this)); |
| 85 } |
| 86 |
| 87 MonitorWifiMac::~MonitorWifiMac () |
| 88 { |
| 89 NS_LOG_FUNCTION (this); |
| 90 } |
| 91 |
| 92 void |
| 93 MonitorWifiMac::DoStart () |
| 94 { |
| 95 NS_LOG_FUNCTION (this); |
| 96 |
| 97 m_dca->Start (); |
| 98 } |
| 99 |
| 100 void |
| 101 MonitorWifiMac::DoDispose () |
| 102 { |
| 103 NS_LOG_FUNCTION (this); |
| 104 delete m_rxMiddle; |
| 105 m_rxMiddle = NULL; |
| 106 |
| 107 delete m_txMiddle; |
| 108 m_txMiddle = NULL; |
| 109 |
| 110 delete m_dcfManager; |
| 111 m_dcfManager = NULL; |
| 112 |
| 113 m_low->Dispose (); |
| 114 m_low = NULL; |
| 115 |
| 116 m_phy = NULL; |
| 117 m_stationManager = NULL; |
| 118 |
| 119 m_dca->Dispose (); |
| 120 m_dca = NULL; |
| 121 } |
| 122 |
| 123 Ptr<DcaTxop> |
| 124 MonitorWifiMac::GetDcaTxop () const |
| 125 { |
| 126 return m_dca; |
| 127 } |
| 128 |
| 129 void |
| 130 MonitorWifiMac::SetForwardUpCallback (ForwardUpCallback upCallback) |
| 131 { |
| 132 NS_LOG_FUNCTION (this); |
| 133 m_forwardUp = upCallback; |
| 134 } |
| 135 |
| 136 void |
| 137 MonitorWifiMac::SetLinkUpCallback (Callback<void> linkUp) |
| 138 { |
| 139 NS_LOG_FUNCTION (this); |
| 140 m_linkUp = linkUp; |
| 141 } |
| 142 |
| 143 void |
| 144 MonitorWifiMac::SetLinkDownCallback (Callback<void> linkDown) |
| 145 { |
| 146 NS_LOG_FUNCTION (this); |
| 147 m_linkDown = linkDown; |
| 148 } |
| 149 |
| 150 void |
| 151 MonitorWifiMac::SetQosSupported (bool enable) |
| 152 { |
| 153 NS_ABORT_MSG ("QoS Functionality not supported in MonitorWifiMac"); |
| 154 } |
| 155 |
| 156 bool |
| 157 MonitorWifiMac::GetQosSupported () const |
| 158 { |
| 159 return false; |
| 160 } |
| 161 |
| 162 void |
| 163 MonitorWifiMac::SetSlot (Time slotTime) |
| 164 { |
| 165 NS_LOG_FUNCTION (this << slotTime); |
| 166 m_dcfManager->SetSlot (slotTime); |
| 167 m_low->SetSlotTime (slotTime); |
| 168 } |
| 169 |
| 170 Time |
| 171 MonitorWifiMac::GetSlot (void) const |
| 172 { |
| 173 return m_low->GetSlotTime (); |
| 174 } |
| 175 |
| 176 void |
| 177 MonitorWifiMac::SetSifs (Time sifs) |
| 178 { |
| 179 NS_LOG_FUNCTION (this << sifs); |
| 180 m_dcfManager->SetSifs (sifs); |
| 181 m_low->SetSifs (sifs); |
| 182 } |
| 183 |
| 184 Time |
| 185 MonitorWifiMac::GetSifs (void) const |
| 186 { |
| 187 return m_low->GetSifs (); |
| 188 } |
| 189 |
| 190 void |
| 191 MonitorWifiMac::SetEifsNoDifs (Time eifsNoDifs) |
| 192 { |
| 193 NS_LOG_FUNCTION (this << eifsNoDifs); |
| 194 m_dcfManager->SetEifsNoDifs (eifsNoDifs); |
| 195 } |
| 196 |
| 197 Time |
| 198 MonitorWifiMac::GetEifsNoDifs (void) const |
| 199 { |
| 200 return m_dcfManager->GetEifsNoDifs (); |
| 201 } |
| 202 |
| 203 void |
| 204 MonitorWifiMac::SetPifs (Time pifs) |
| 205 { |
| 206 NS_LOG_FUNCTION (this << pifs); |
| 207 m_low->SetPifs (pifs); |
| 208 } |
| 209 |
| 210 Time |
| 211 MonitorWifiMac::GetPifs (void) const |
| 212 { |
| 213 return m_low->GetPifs (); |
| 214 } |
| 215 |
| 216 void |
| 217 MonitorWifiMac::SetAckTimeout (Time ackTimeout) |
| 218 { |
| 219 NS_LOG_FUNCTION (this << ackTimeout); |
| 220 m_low->SetAckTimeout (ackTimeout); |
| 221 } |
| 222 |
| 223 Time |
| 224 MonitorWifiMac::GetAckTimeout (void) const |
| 225 { |
| 226 return m_low->GetAckTimeout (); |
| 227 } |
| 228 |
| 229 void |
| 230 MonitorWifiMac::SetCtsTimeout (Time ctsTimeout) |
| 231 { |
| 232 NS_LOG_FUNCTION (this << ctsTimeout); |
| 233 m_low->SetCtsTimeout (ctsTimeout); |
| 234 } |
| 235 |
| 236 Time |
| 237 MonitorWifiMac::GetCtsTimeout (void) const |
| 238 { |
| 239 return m_low->GetCtsTimeout (); |
| 240 } |
| 241 |
| 242 void |
| 243 MonitorWifiMac::SetBasicBlockAckTimeout (Time blockAckTimeout) |
| 244 { |
| 245 NS_LOG_FUNCTION (this << blockAckTimeout); |
| 246 m_low->SetBasicBlockAckTimeout (blockAckTimeout); |
| 247 } |
| 248 |
| 249 Time |
| 250 MonitorWifiMac::GetBasicBlockAckTimeout (void) const |
| 251 { |
| 252 return m_low->GetBasicBlockAckTimeout (); |
| 253 } |
| 254 |
| 255 void |
| 256 MonitorWifiMac::SetCompressedBlockAckTimeout (Time blockAckTimeout) |
| 257 { |
| 258 NS_LOG_FUNCTION (this << blockAckTimeout); |
| 259 m_low->SetCompressedBlockAckTimeout (blockAckTimeout); |
| 260 } |
| 261 |
| 262 Time |
| 263 MonitorWifiMac::GetCompressedBlockAckTimeout (void) const |
| 264 { |
| 265 return m_low->GetCompressedBlockAckTimeout (); |
| 266 } |
| 267 |
| 268 void |
| 269 MonitorWifiMac::SetAddress (Mac48Address address) |
| 270 { |
| 271 NS_LOG_FUNCTION (this << address); |
| 272 m_low->SetAddress (address); |
| 273 } |
| 274 |
| 275 Mac48Address |
| 276 MonitorWifiMac::GetAddress (void) const |
| 277 { |
| 278 return m_low->GetAddress (); |
| 279 } |
| 280 |
| 281 /** |
| 282 * Not applicable in Monitor Mode |
| 283 */ |
| 284 void |
| 285 MonitorWifiMac::SetSsid (Ssid ssid) |
| 286 { |
| 287 } |
| 288 /** |
| 289 * Not applicable in Monitor Mode |
| 290 */ |
| 291 Ssid |
| 292 MonitorWifiMac::GetSsid (void) const |
| 293 { |
| 294 return m_ssid; |
| 295 } |
| 296 /** |
| 297 * Not applicable in Monitor Mode |
| 298 */ |
| 299 void |
| 300 MonitorWifiMac::SetBssid (Mac48Address bssid) |
| 301 { |
| 302 } |
| 303 /** |
| 304 * Not applicable in Monitor Mode |
| 305 */ |
| 306 Mac48Address |
| 307 MonitorWifiMac::GetBssid (void) const |
| 308 { |
| 309 return m_low->GetBssid (); |
| 310 } |
| 311 /** |
| 312 * Not applicable in Monitor Mode |
| 313 */ |
| 314 void |
| 315 MonitorWifiMac::SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> stati
onManager) |
| 316 { |
| 317 } |
| 318 |
| 319 void |
| 320 MonitorWifiMac::SetWifiPhy (Ptr<WifiPhy> phy) |
| 321 { |
| 322 NS_LOG_FUNCTION (this << phy); |
| 323 m_phy = phy; |
| 324 m_dcfManager->SetupPhyListener (phy); |
| 325 m_low->SetPhy (phy); |
| 326 } |
| 327 |
| 328 void |
| 329 MonitorWifiMac::SetPromisc (void) |
| 330 { |
| 331 m_low->SetPromisc (); |
| 332 } |
| 333 |
| 334 /** |
| 335 * Not applicable in Monitor Mode |
| 336 */ |
| 337 void |
| 338 MonitorWifiMac::Enqueue (Ptr<const Packet> packet, |
| 339 Mac48Address to, Mac48Address from) |
| 340 { |
| 341 NS_ABORT_MSG ("Not applicable in MonitorMacWifi"); |
| 342 } |
| 343 /** |
| 344 * Not applicable in Monitor Mode |
| 345 */ |
| 346 void |
| 347 MonitorWifiMac::Enqueue (Ptr<const Packet> packet, |
| 348 Mac48Address to) |
| 349 { |
| 350 } |
| 351 /** |
| 352 * Not applicable in Monitor Mode |
| 353 */ |
| 354 bool |
| 355 MonitorWifiMac::SupportsSendFrom (void) const |
| 356 { |
| 357 return false; |
| 358 } |
| 359 |
| 360 void |
| 361 MonitorWifiMac::ForwardUp (Ptr<Packet> packet, Mac48Address from, Mac48Address t
o) |
| 362 { |
| 363 NS_LOG_FUNCTION (this << packet << from); |
| 364 m_forwardUp (packet, from, to); |
| 365 } |
| 366 |
| 367 void |
| 368 MonitorWifiMac::Receive (Ptr<Packet> packet, const WifiMacHeader *hdr, const Rad
iotapHeader *radiotaphdr) |
| 369 { |
| 370 |
| 371 Mac48Address to = hdr->GetAddr1 (); |
| 372 Mac48Address from = hdr->GetAddr2 (); |
| 373 NS_LOG_DEBUG ("Received packet to: " << to << " from: " << from << " at:" << m
_low->GetAddress ()); |
| 374 packet->AddHeader (*hdr); |
| 375 packet->AddHeader (*radiotaphdr); |
| 376 ForwardUp (packet, from, to); |
| 377 } |
| 378 |
| 379 void |
| 380 MonitorWifiMac::DeaggregateAmsduAndForward (Ptr<Packet> aggregatedPacket, |
| 381 const WifiMacHeader *hdr) |
| 382 { |
| 383 } |
| 384 |
| 385 void |
| 386 MonitorWifiMac::SendAddBaResponse (const MgtAddBaRequestHeader *reqHdr, |
| 387 Mac48Address originator) |
| 388 { |
| 389 } |
| 390 |
| 391 void |
| 392 MonitorWifiMac::FinishConfigureStandard (enum WifiPhyStandard standard) |
| 393 { |
| 394 uint32_t cwmin; |
| 395 uint32_t cwmax; |
| 396 |
| 397 switch (standard) |
| 398 { |
| 399 case WIFI_PHY_STANDARD_80211p_CCH: |
| 400 case WIFI_PHY_STANDARD_80211p_SCH: |
| 401 cwmin = 15; |
| 402 cwmax = 511; |
| 403 break; |
| 404 |
| 405 case WIFI_PHY_STANDARD_holland: |
| 406 case WIFI_PHY_STANDARD_80211a: |
| 407 case WIFI_PHY_STANDARD_80211g: |
| 408 case WIFI_PHY_STANDARD_80211_10Mhz: |
| 409 case WIFI_PHY_STANDARD_80211_5Mhz: |
| 410 cwmin = 15; |
| 411 cwmax = 1023; |
| 412 break; |
| 413 |
| 414 case WIFI_PHY_STANDARD_80211b: |
| 415 cwmin = 31; |
| 416 cwmax = 1023; |
| 417 break; |
| 418 |
| 419 default: |
| 420 NS_FATAL_ERROR ("Unsupported WifiPhyStandard in MonitorWifiMac::FinishConf
igureStandard ()"); |
| 421 } |
| 422 |
| 423 // The special value of AC_BE_NQOS which exists in the Access |
| 424 // Category enumeration allows us to configure plain old DCF. |
| 425 ConfigureDcf (m_dca, cwmin, cwmax, AC_BE_NQOS); |
| 426 } |
| 427 |
| 428 void |
| 429 MonitorWifiMac::TxOk (const WifiMacHeader &hdr) |
| 430 { |
| 431 NS_LOG_FUNCTION (this << hdr); |
| 432 m_txOkCallback (hdr); |
| 433 } |
| 434 |
| 435 void |
| 436 MonitorWifiMac::TxFailed (const WifiMacHeader &hdr) |
| 437 { |
| 438 NS_LOG_FUNCTION (this << hdr); |
| 439 m_txErrCallback (hdr); |
| 440 } |
| 441 |
| 442 } // namespace ns3 |
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