|
|
|---|
| 86 |
*stream->GetStream () << "r " << Simulator::Now ().GetSeconds () << " " << *p << std::endl; |
86 |
*stream->GetStream () << "r " << Simulator::Now ().GetSeconds () << " " << *p << std::endl; |
| 87 |
} |
87 |
} |
| 88 |
|
88 |
|
| 89 |
static void |
|
|
| 90 |
PcapSniffTxEvent ( |
| 91 |
Ptr<PcapFileWrapper> file, |
| 92 |
Ptr<const Packet> packet, |
| 93 |
uint16_t channelFreqMhz, |
| 94 |
uint16_t channelNumber, |
| 95 |
uint32_t rate, |
| 96 |
WifiPreamble preamble, |
| 97 |
WifiTxVector txVector, |
| 98 |
struct mpduInfo aMpdu) |
| 99 |
{ |
| 100 |
uint32_t dlt = file->GetDataLinkType (); |
| 101 |
|
| 102 |
switch (dlt) |
| 103 |
{ |
| 104 |
case PcapHelper::DLT_IEEE802_11: |
| 105 |
file->Write (Simulator::Now (), packet); |
| 106 |
return; |
| 107 |
case PcapHelper::DLT_PRISM_HEADER: |
| 108 |
{ |
| 109 |
NS_FATAL_ERROR ("PcapSniffTxEvent(): DLT_PRISM_HEADER not implemented"); |
| 110 |
return; |
| 111 |
} |
| 112 |
case PcapHelper::DLT_IEEE802_11_RADIO: |
| 113 |
{ |
| 114 |
Ptr<Packet> p = packet->Copy (); |
| 115 |
RadiotapHeader header; |
| 116 |
uint8_t frameFlags = RadiotapHeader::FRAME_FLAG_NONE; |
| 117 |
header.SetTsft (Simulator::Now ().GetMicroSeconds ()); |
| 118 |
|
| 119 |
//Our capture includes the FCS, so we set the flag to say so. |
| 120 |
frameFlags |= RadiotapHeader::FRAME_FLAG_FCS_INCLUDED; |
| 121 |
|
| 122 |
if (preamble == WIFI_PREAMBLE_SHORT) |
| 123 |
{ |
| 124 |
frameFlags |= RadiotapHeader::FRAME_FLAG_SHORT_PREAMBLE; |
| 125 |
} |
| 126 |
|
| 127 |
if (txVector.IsShortGuardInterval ()) |
| 128 |
{ |
| 129 |
frameFlags |= RadiotapHeader::FRAME_FLAG_SHORT_GUARD; |
| 130 |
} |
| 131 |
|
| 132 |
header.SetFrameFlags (frameFlags); |
| 133 |
header.SetRate (rate); |
| 134 |
|
| 135 |
uint16_t channelFlags = 0; |
| 136 |
switch (rate) |
| 137 |
{ |
| 138 |
case 2: //1Mbps |
| 139 |
case 4: //2Mbps |
| 140 |
case 10: //5Mbps |
| 141 |
case 22: //11Mbps |
| 142 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_CCK; |
| 143 |
break; |
| 144 |
|
| 145 |
default: |
| 146 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_OFDM; |
| 147 |
break; |
| 148 |
} |
| 149 |
|
| 150 |
if (channelFreqMhz < 2500) |
| 151 |
{ |
| 152 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_SPECTRUM_2GHZ; |
| 153 |
} |
| 154 |
else |
| 155 |
{ |
| 156 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_SPECTRUM_5GHZ; |
| 157 |
} |
| 158 |
|
| 159 |
header.SetChannelFrequencyAndFlags (channelFreqMhz, channelFlags); |
| 160 |
|
| 161 |
if (preamble == WIFI_PREAMBLE_HT_MF || preamble == WIFI_PREAMBLE_HT_GF || preamble == WIFI_PREAMBLE_NONE) |
| 162 |
{ |
| 163 |
uint8_t mcsRate = 0; |
| 164 |
uint8_t mcsKnown = RadiotapHeader::MCS_KNOWN_NONE; |
| 165 |
uint8_t mcsFlags = RadiotapHeader::MCS_FLAGS_NONE; |
| 166 |
|
| 167 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_INDEX; |
| 168 |
mcsRate = rate - 128; |
| 169 |
|
| 170 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_BANDWIDTH; |
| 171 |
if (txVector.GetChannelWidth () == 40) |
| 172 |
{ |
| 173 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_BANDWIDTH_40; |
| 174 |
} |
| 175 |
|
| 176 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_GUARD_INTERVAL; |
| 177 |
if (txVector.IsShortGuardInterval ()) |
| 178 |
{ |
| 179 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_GUARD_INTERVAL; |
| 180 |
} |
| 181 |
|
| 182 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_HT_FORMAT; |
| 183 |
if (preamble == WIFI_PREAMBLE_HT_GF) |
| 184 |
{ |
| 185 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_HT_GREENFIELD; |
| 186 |
} |
| 187 |
|
| 188 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_NESS; |
| 189 |
if (txVector.GetNess () & 0x01) //bit 1 |
| 190 |
{ |
| 191 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_NESS_BIT_0; |
| 192 |
} |
| 193 |
if (txVector.GetNess () & 0x02) //bit 2 |
| 194 |
{ |
| 195 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_NESS_BIT_1; |
| 196 |
} |
| 197 |
|
| 198 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_FEC_TYPE; //only BCC is currently supported |
| 199 |
|
| 200 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_STBC; |
| 201 |
if (txVector.IsStbc ()) |
| 202 |
{ |
| 203 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_STBC_STREAMS; |
| 204 |
} |
| 205 |
|
| 206 |
header.SetMcsFields (mcsKnown, mcsFlags, mcsRate); |
| 207 |
} |
| 208 |
|
| 209 |
if (txVector.IsAggregation ()) |
| 210 |
{ |
| 211 |
uint16_t ampduStatusFlags = RadiotapHeader::A_MPDU_STATUS_NONE; |
| 212 |
ampduStatusFlags |= RadiotapHeader::A_MPDU_STATUS_LAST_KNOWN; |
| 213 |
/* For PCAP file, MPDU Delimiter and Padding should be removed by the MAC Driver */ |
| 214 |
AmpduSubframeHeader hdr; |
| 215 |
uint32_t extractedLength; |
| 216 |
p->RemoveHeader (hdr); |
| 217 |
extractedLength = hdr.GetLength (); |
| 218 |
p = p->CreateFragment (0, static_cast<uint32_t> (extractedLength)); |
| 219 |
if (aMpdu.type == LAST_MPDU_IN_AGGREGATE || (hdr.GetEof () == true && hdr.GetLength () > 0)) |
| 220 |
{ |
| 221 |
ampduStatusFlags |= RadiotapHeader::A_MPDU_STATUS_LAST; |
| 222 |
} |
| 223 |
header.SetAmpduStatus (aMpdu.mpduRefNumber, ampduStatusFlags, hdr.GetCrc ()); |
| 224 |
} |
| 225 |
|
| 226 |
if (preamble == WIFI_PREAMBLE_VHT) |
| 227 |
{ |
| 228 |
uint16_t vhtKnown = RadiotapHeader::VHT_KNOWN_NONE; |
| 229 |
uint8_t vhtFlags = RadiotapHeader::VHT_FLAGS_NONE; |
| 230 |
uint8_t vhtBandwidth = 0; |
| 231 |
uint8_t vhtMcsNss[4] = {0,0,0,0}; |
| 232 |
uint8_t vhtCoding = 0; |
| 233 |
uint8_t vhtGroupId = 0; |
| 234 |
uint16_t vhtPartialAid = 0; |
| 235 |
|
| 236 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_STBC; |
| 237 |
if (txVector.IsStbc ()) |
| 238 |
{ |
| 239 |
vhtFlags |= RadiotapHeader::VHT_FLAGS_STBC; |
| 240 |
} |
| 241 |
|
| 242 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_GUARD_INTERVAL; |
| 243 |
if (txVector.IsShortGuardInterval ()) |
| 244 |
{ |
| 245 |
vhtFlags |= RadiotapHeader::VHT_FLAGS_GUARD_INTERVAL; |
| 246 |
} |
| 247 |
|
| 248 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_BEAMFORMED; //Beamforming is currently not supported |
| 249 |
|
| 250 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_BANDWIDTH; |
| 251 |
//not all bandwidth values are currently supported |
| 252 |
if (txVector.GetChannelWidth () == 40) |
| 253 |
{ |
| 254 |
vhtBandwidth = 1; |
| 255 |
} |
| 256 |
else if (txVector.GetChannelWidth () == 80) |
| 257 |
{ |
| 258 |
vhtBandwidth = 4; |
| 259 |
} |
| 260 |
else if (txVector.GetChannelWidth () == 160) |
| 261 |
{ |
| 262 |
vhtBandwidth = 11; |
| 263 |
} |
| 264 |
|
| 265 |
//only SU PPDUs are currently supported |
| 266 |
vhtMcsNss[0] |= (txVector.GetNss () & 0x0f); |
| 267 |
vhtMcsNss[0] |= (((rate - 128) << 4) & 0xf0); |
| 268 |
|
| 269 |
header.SetVhtFields (vhtKnown, vhtFlags, vhtBandwidth, vhtMcsNss, vhtCoding, vhtGroupId, vhtPartialAid); |
| 270 |
} |
| 271 |
|
| 272 |
p->AddHeader (header); |
| 273 |
file->Write (Simulator::Now (), p); |
| 274 |
return; |
| 275 |
} |
| 276 |
default: |
| 277 |
NS_ABORT_MSG ("PcapSniffTxEvent(): Unexpected data link type " << dlt); |
| 278 |
} |
| 279 |
} |
| 280 |
|
| 281 |
static void |
| 282 |
PcapSniffRxEvent ( |
| 283 |
Ptr<PcapFileWrapper> file, |
| 284 |
Ptr<const Packet> packet, |
| 285 |
uint16_t channelFreqMhz, |
| 286 |
uint16_t channelNumber, |
| 287 |
uint32_t rate, |
| 288 |
WifiPreamble preamble, |
| 289 |
WifiTxVector txVector, |
| 290 |
struct mpduInfo aMpdu, |
| 291 |
struct signalNoiseDbm signalNoise) |
| 292 |
{ |
| 293 |
uint32_t dlt = file->GetDataLinkType (); |
| 294 |
|
| 295 |
switch (dlt) |
| 296 |
{ |
| 297 |
case PcapHelper::DLT_IEEE802_11: |
| 298 |
file->Write (Simulator::Now (), packet); |
| 299 |
return; |
| 300 |
case PcapHelper::DLT_PRISM_HEADER: |
| 301 |
{ |
| 302 |
NS_FATAL_ERROR ("PcapSniffRxEvent(): DLT_PRISM_HEADER not implemented"); |
| 303 |
return; |
| 304 |
} |
| 305 |
case PcapHelper::DLT_IEEE802_11_RADIO: |
| 306 |
{ |
| 307 |
Ptr<Packet> p = packet->Copy (); |
| 308 |
RadiotapHeader header; |
| 309 |
uint8_t frameFlags = RadiotapHeader::FRAME_FLAG_NONE; |
| 310 |
header.SetTsft (Simulator::Now ().GetMicroSeconds ()); |
| 311 |
|
| 312 |
//Our capture includes the FCS, so we set the flag to say so. |
| 313 |
frameFlags |= RadiotapHeader::FRAME_FLAG_FCS_INCLUDED; |
| 314 |
|
| 315 |
if (preamble == WIFI_PREAMBLE_SHORT) |
| 316 |
{ |
| 317 |
frameFlags |= RadiotapHeader::FRAME_FLAG_SHORT_PREAMBLE; |
| 318 |
} |
| 319 |
|
| 320 |
if (txVector.IsShortGuardInterval ()) |
| 321 |
{ |
| 322 |
frameFlags |= RadiotapHeader::FRAME_FLAG_SHORT_GUARD; |
| 323 |
} |
| 324 |
|
| 325 |
header.SetFrameFlags (frameFlags); |
| 326 |
header.SetRate (rate); |
| 327 |
|
| 328 |
uint16_t channelFlags = 0; |
| 329 |
switch (rate) |
| 330 |
{ |
| 331 |
case 2: //1Mbps |
| 332 |
case 4: //2Mbps |
| 333 |
case 10: //5Mbps |
| 334 |
case 22: //11Mbps |
| 335 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_CCK; |
| 336 |
break; |
| 337 |
|
| 338 |
default: |
| 339 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_OFDM; |
| 340 |
break; |
| 341 |
} |
| 342 |
|
| 343 |
if (channelFreqMhz < 2500) |
| 344 |
{ |
| 345 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_SPECTRUM_2GHZ; |
| 346 |
} |
| 347 |
else |
| 348 |
{ |
| 349 |
channelFlags |= RadiotapHeader::CHANNEL_FLAG_SPECTRUM_5GHZ; |
| 350 |
} |
| 351 |
|
| 352 |
header.SetChannelFrequencyAndFlags (channelFreqMhz, channelFlags); |
| 353 |
|
| 354 |
header.SetAntennaSignalPower (signalNoise.signal); |
| 355 |
header.SetAntennaNoisePower (signalNoise.noise); |
| 356 |
|
| 357 |
if (preamble == WIFI_PREAMBLE_HT_MF || preamble == WIFI_PREAMBLE_HT_GF || preamble == WIFI_PREAMBLE_NONE) |
| 358 |
{ |
| 359 |
uint8_t mcsRate = 0; |
| 360 |
uint8_t mcsKnown = RadiotapHeader::MCS_KNOWN_NONE; |
| 361 |
uint8_t mcsFlags = RadiotapHeader::MCS_FLAGS_NONE; |
| 362 |
|
| 363 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_INDEX; |
| 364 |
mcsRate = rate - 128; |
| 365 |
|
| 366 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_BANDWIDTH; |
| 367 |
if (txVector.GetChannelWidth () == 40) |
| 368 |
{ |
| 369 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_BANDWIDTH_40; |
| 370 |
} |
| 371 |
|
| 372 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_GUARD_INTERVAL; |
| 373 |
if (txVector.IsShortGuardInterval ()) |
| 374 |
{ |
| 375 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_GUARD_INTERVAL; |
| 376 |
} |
| 377 |
|
| 378 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_HT_FORMAT; |
| 379 |
if (preamble == WIFI_PREAMBLE_HT_GF) |
| 380 |
{ |
| 381 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_HT_GREENFIELD; |
| 382 |
} |
| 383 |
|
| 384 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_NESS; |
| 385 |
if (txVector.GetNess () & 0x01) //bit 1 |
| 386 |
{ |
| 387 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_NESS_BIT_0; |
| 388 |
} |
| 389 |
if (txVector.GetNess () & 0x02) //bit 2 |
| 390 |
{ |
| 391 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_NESS_BIT_1; |
| 392 |
} |
| 393 |
|
| 394 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_FEC_TYPE; //only BCC is currently supported |
| 395 |
|
| 396 |
mcsKnown |= RadiotapHeader::MCS_KNOWN_STBC; |
| 397 |
if (txVector.IsStbc ()) |
| 398 |
{ |
| 399 |
mcsFlags |= RadiotapHeader::MCS_FLAGS_STBC_STREAMS; |
| 400 |
} |
| 401 |
|
| 402 |
header.SetMcsFields (mcsKnown, mcsFlags, mcsRate); |
| 403 |
} |
| 404 |
|
| 405 |
if (txVector.IsAggregation ()) |
| 406 |
{ |
| 407 |
uint16_t ampduStatusFlags = RadiotapHeader::A_MPDU_STATUS_NONE; |
| 408 |
ampduStatusFlags |= RadiotapHeader::A_MPDU_STATUS_DELIMITER_CRC_KNOWN; |
| 409 |
ampduStatusFlags |= RadiotapHeader::A_MPDU_STATUS_LAST_KNOWN; |
| 410 |
/* For PCAP file, MPDU Delimiter and Padding should be removed by the MAC Driver */ |
| 411 |
AmpduSubframeHeader hdr; |
| 412 |
uint32_t extractedLength; |
| 413 |
p->RemoveHeader (hdr); |
| 414 |
extractedLength = hdr.GetLength (); |
| 415 |
p = p->CreateFragment (0, static_cast<uint32_t> (extractedLength)); |
| 416 |
if (aMpdu.type == LAST_MPDU_IN_AGGREGATE || (hdr.GetEof () == true && hdr.GetLength () > 0)) |
| 417 |
{ |
| 418 |
ampduStatusFlags |= RadiotapHeader::A_MPDU_STATUS_LAST; |
| 419 |
} |
| 420 |
header.SetAmpduStatus (aMpdu.mpduRefNumber, ampduStatusFlags, hdr.GetCrc ()); |
| 421 |
} |
| 422 |
|
| 423 |
if (preamble == WIFI_PREAMBLE_VHT) |
| 424 |
{ |
| 425 |
uint16_t vhtKnown = RadiotapHeader::VHT_KNOWN_NONE; |
| 426 |
uint8_t vhtFlags = RadiotapHeader::VHT_FLAGS_NONE; |
| 427 |
uint8_t vhtBandwidth = 0; |
| 428 |
uint8_t vhtMcsNss[4] = {0,0,0,0}; |
| 429 |
uint8_t vhtCoding = 0; |
| 430 |
uint8_t vhtGroupId = 0; |
| 431 |
uint16_t vhtPartialAid = 0; |
| 432 |
|
| 433 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_STBC; |
| 434 |
if (txVector.IsStbc ()) |
| 435 |
{ |
| 436 |
vhtFlags |= RadiotapHeader::VHT_FLAGS_STBC; |
| 437 |
} |
| 438 |
|
| 439 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_GUARD_INTERVAL; |
| 440 |
if (txVector.IsShortGuardInterval ()) |
| 441 |
{ |
| 442 |
vhtFlags |= RadiotapHeader::VHT_FLAGS_GUARD_INTERVAL; |
| 443 |
} |
| 444 |
|
| 445 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_BEAMFORMED; //Beamforming is currently not supported |
| 446 |
|
| 447 |
vhtKnown |= RadiotapHeader::VHT_KNOWN_BANDWIDTH; |
| 448 |
//not all bandwidth values are currently supported |
| 449 |
if (txVector.GetChannelWidth () == 40) |
| 450 |
{ |
| 451 |
vhtBandwidth = 1; |
| 452 |
} |
| 453 |
else if (txVector.GetChannelWidth () == 80) |
| 454 |
{ |
| 455 |
vhtBandwidth = 4; |
| 456 |
} |
| 457 |
else if (txVector.GetChannelWidth () == 160) |
| 458 |
{ |
| 459 |
vhtBandwidth = 11; |
| 460 |
} |
| 461 |
|
| 462 |
//only SU PPDUs are currently supported |
| 463 |
vhtMcsNss[0] |= (txVector.GetNss () & 0x0f); |
| 464 |
vhtMcsNss[0] |= (((rate - 128) << 4) & 0xf0); |
| 465 |
|
| 466 |
header.SetVhtFields (vhtKnown, vhtFlags, vhtBandwidth, vhtMcsNss, vhtCoding, vhtGroupId, vhtPartialAid); |
| 467 |
} |
| 468 |
|
| 469 |
p->AddHeader (header); |
| 470 |
file->Write (Simulator::Now (), p); |
| 471 |
return; |
| 472 |
} |
| 473 |
default: |
| 474 |
NS_ABORT_MSG ("PcapSniffRxEvent(): Unexpected data link type " << dlt); |
| 475 |
} |
| 476 |
} |
| 477 |
|
89 |
|
| 478 |
/****************************** YansWavePhyHelper ***********************************/ |
90 |
/****************************** YansWavePhyHelper ***********************************/ |
| 479 |
YansWavePhyHelper |
91 |
YansWavePhyHelper |
|
|
|---|
| 520 |
for (i = phys.begin (); i != phys.end (); ++i) |
132 |
for (i = phys.begin (); i != phys.end (); ++i) |
| 521 |
{ |
133 |
{ |
| 522 |
Ptr<WifiPhy> phy = (*i); |
134 |
Ptr<WifiPhy> phy = (*i); |
| 523 |
phy->TraceConnectWithoutContext ("MonitorSnifferTx", MakeBoundCallback (&PcapSniffTxEvent, file)); |
135 |
phy->TraceConnectWithoutContext ("MonitorSnifferTx", MakeBoundCallback (&YansWavePhyHelper::PcapSniffTxEvent, file)); |
| 524 |
phy->TraceConnectWithoutContext ("MonitorSnifferRx", MakeBoundCallback (&PcapSniffRxEvent, file)); |
136 |
phy->TraceConnectWithoutContext ("MonitorSnifferRx", MakeBoundCallback (&YansWavePhyHelper::PcapSniffRxEvent, file)); |
| 525 |
} |
137 |
} |
| 526 |
} |
138 |
} |
| 527 |
|
139 |
|