16#include "ns3/ap-wifi-mac.h"
18#include "ns3/mgt-action-headers.h"
19#include "ns3/spectrum-signal-parameters.h"
20#include "ns3/sta-wifi-mac.h"
21#include "ns3/wifi-mac-queue.h"
22#include "ns3/wifi-net-device.h"
23#include "ns3/wifi-spectrum-phy-interface.h"
27#undef NS_LOG_APPEND_CONTEXT
28#define NS_LOG_APPEND_CONTEXT WIFI_FEM_NS_LOG_APPEND_CONTEXT
58 static TypeId tid =
TypeId(
"ns3::EhtFrameExchangeManager")
60 .AddConstructor<EhtFrameExchangeManager>()
61 .SetGroupName(
"Wifi");
97 protectionManager->SetLinkId(linkId);
101 ackManager->SetLinkId(linkId);
114 if (!mpdu->GetHeader().IsQosData() ||
m_mac->GetNLinks() == 1 ||
115 mpdu->GetHeader().GetAddr1().IsGroup() ||
122 auto& hdr = mpdu->GetHeader();
126 hdr.SetAddr1(*address);
134 if (hdr.IsQosAmsdu())
136 if (hdr.IsToDs() && !hdr.IsFromDs())
139 hdr.SetAddr3(hdr.GetAddr1());
141 else if (!hdr.IsToDs() && hdr.IsFromDs())
144 hdr.SetAddr3(hdr.GetAddr2());
176 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); linkId++)
184 std::set<Mac48Address> emlsrClients;
189 if (ehtFem->m_ongoingTxopEnd.IsPending() && ehtFem->m_txopHolder &&
190 m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(
191 ehtFem->m_txopHolder.value()))
193 NS_LOG_DEBUG(
"Involved in UL TXOP: " << ehtFem->m_txopHolder.value());
194 emlsrClients.insert(ehtFem->m_txopHolder.value());
198 for (
const auto& address : ehtFem->m_protectedStas)
200 if (
m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(address))
203 emlsrClients.insert(address);
207 for (
const auto& address : emlsrClients)
210 m_mac->GetWifiRemoteStationManager(linkId)->GetMldAddress(address);
211 NS_ASSERT_MSG(mldAddress,
"MLD address not found for " << address);
224 "No mask for client " << *mldAddress <<
" on link " << +
m_linkId);
229 "Transmissions to " << *mldAddress <<
" on link " << +
m_linkId
230 <<
" are not blocked");
241 std::optional<Time> timeToCtsEnd;
248 NS_LOG_DEBUG(
"StartTransmission called while another EMLSR link is being used");
253 auto emlsrManager =
m_staMac->GetEmlsrManager();
255 if (
auto elapsed = emlsrManager->GetElapsedMediumSyncDelayTimer(
m_linkId);
256 elapsed && emlsrManager->MediumSyncDelayNTxopsExceeded(
m_linkId))
258 NS_LOG_DEBUG(
"No new TXOP attempts allowed while MediumSyncDelay is running");
262 emlsrManager->GetMediumSyncDuration() - *elapsed,
281 if (
const auto [startTxop, delay] = emlsrManager->GetDelayUntilAccessRequest(
287 if (delay.IsStrictlyPositive())
330 auto sigBMode = phy->GetSigBMode(txVector);
336 if (
m_apMac && psdu->GetHeader(0).IsTrigger())
348 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); ++linkId)
351 m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*clientMld))
366 auto delay =
m_apMac->GetApEmlsrManager()->GetDelayOnTxPsduNotForEmlsr(psdu,
389 m_staMac->GetEmlsrManager()->GetInDeviceInterference())
391 for (
const auto linkId :
m_staMac->GetLinkIds())
393 if (
auto phy =
m_mac->GetWifiPhy(linkId);
396 auto txPowerDbm = phy->GetPower(txVector.
GetTxPowerLevel()) + phy->GetTxGain();
421 psduMap.cbegin()->second->GetPayload(0)->PeekHeader(trigger);
426 for (
const auto& client : recipients)
436 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); ++linkId)
439 m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*clientMld))
441 m_mac->BlockUnicastTxOnLinks(
456 const auto psduMapIt = psduMap.find(aid);
457 const auto aidNotFoundAndNotTf = (psduMapIt == psduMap.cend()) && !
IsTrigger(psduMap);
459 const auto psdu = (psduMapIt != psduMap.cend() ? psduMapIt : psduMap.cbegin())->
second;
475 m_staMac->GetEmlsrManager()->GetInDeviceInterference())
477 for (
const auto linkId :
m_staMac->GetLinkIds())
479 if (
auto phy =
m_mac->GetWifiPhy(linkId);
482 auto txPowerDbm = phy->GetPower(txVector.
GetTxPowerLevel()) + phy->GetTxGain();
500 NS_LOG_DEBUG(
"No spectrum PHY operating on link " << +linkId);
511 spectrumSignalParams->duration = duration;
512 spectrumSignalParams->txPhy = txPhy->GetCurrentInterface();
513 spectrumSignalParams->txAntenna = txPhy->GetAntenna();
514 spectrumSignalParams->psd = psd;
516 rxPhy->StartRx(spectrumSignalParams, rxPhy->GetCurrentInterface());
549 NS_ASSERT_MSG(mldAddress,
"MLD address not found for " << address);
551 std::set<uint8_t> linkIds{
m_linkId};
580 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); ++linkId)
582 if (!
m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*mldAddress))
589 if (ehtFem->m_ongoingTxopEnd.IsPending() && ehtFem->m_txopHolder &&
590 m_mac->GetWifiRemoteStationManager(linkId)->GetMldAddress(*ehtFem->m_txopHolder) ==
593 NS_LOG_DEBUG(
"EMLSR client " << *mldAddress <<
" is the holder of an UL TXOP on link "
594 << +linkId <<
", do not unblock links");
604 linkIds.insert(linkId);
607 m_apMac->GetWifiRemoteStationManager(linkId)->GetAffiliatedStaAddress(*mldAddress);
609 (ehtFem->m_sentRtsTo.contains(*linkAddr) || ehtFem->m_sentFrameTo.contains(*linkAddr) ||
610 ehtFem->m_protectedStas.contains(*linkAddr)))
613 <<
" has been sent an ICF, do not unblock links");
631 NS_ASSERT_MSG(mldAddress,
"MLD address not found for " << address);
634 auto blockLinks = [=,
this]() {
637 NS_LOG_DEBUG(
"Could not unblock transmissions to " << address);
642 std::set<uint8_t> linkIds;
643 for (uint8_t linkId = 0; linkId <
m_mac->GetNLinks(); linkId++)
645 if (
m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*mldAddress))
647 linkIds.insert(linkId);
656 auto unblockLinks = [=,
this]() {
666 emlCapabilities->get().emlsrTransitionDelay);
668 endDelay.IsZero() ? unblockLinks()
696 m_staMac->NotifySwitchingEmlsrLink(phy, linkId, delay);
713 const auto sequence =
m_txMiddle->GetNextSequenceNumberFor(&hdr);
722 packet->AddHeader(frame);
723 packet->AddHeader(actionHdr);
747 for (uint8_t linkId = 0; linkId <
m_mac->GetNLinks(); linkId++)
749 std::optional<Mac48Address> linkAddress;
751 (linkAddress =
m_mac->GetWifiRemoteStationManager(linkId)->GetAffiliatedStaAddress(
753 (optRssi =
m_mac->GetWifiRemoteStationManager(linkId)->GetMostRecentRssi(*linkAddress)))
775 uint8_t maxPaddingDelay = 0;
776 bool isUnprotectedEmlsrDst =
false;
778 for (
const auto& address : recipients)
786 isUnprotectedEmlsrDst =
true;
789 maxPaddingDelay = std::max(maxPaddingDelay, emlCapabilities->get().emlsrPaddingDelay);
792 if (isUnprotectedEmlsrDst)
801 if (maxPaddingDelay > 0)
805 std::size_t nDbps = rate / 1e6 * 4;
830 auto mainPhy =
m_staMac->GetDevice()->GetPhy(
m_staMac->GetEmlsrManager()->GetMainPhyId());
839 if (mainPhy->IsStateSwitching() ||
m_mac->GetLinkForPhy(mainPhy) !=
m_linkId)
841 NS_LOG_DEBUG(
"Main PHY is switching or operating on another link, abort ICF response");
880 for (
const auto& address : clients)
902 const auto apEmlsrManager =
m_apMac->GetApEmlsrManager();
903 const auto updateFailedCw =
904 crossLinkCollision && apEmlsrManager ? apEmlsrManager->UpdateCwAfterFailedIcf() :
true;
916 if (staMissedTbPpduFrom.size() != nSolicitedStations)
923 const auto apEmlsrManager =
m_apMac->GetApEmlsrManager();
924 const auto updateFailedCw =
925 crossLinkCollision && apEmlsrManager ? apEmlsrManager->UpdateCwAfterFailedIcf() :
true;
931 std::size_t nSolicitedStations)
937 if (staMissedTbPpduFrom.size() != nSolicitedStations)
954 auto crossLinkCollision =
true;
959 for (
const auto& address : staMissedResponseFrom)
963 crossLinkCollision =
false;
970 std::set<uint8_t> linkIds;
971 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); linkId++)
973 if (
m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*mldAddress))
975 linkIds.insert(linkId);
979 if (std::any_of(linkIds.cbegin(),
982 [=,
this](uint8_t
id) {
983 auto ehtFem = StaticCast<EhtFrameExchangeManager>(
984 m_mac->GetFrameExchangeManager(id));
985 return ehtFem->m_ongoingTxopEnd.IsPending() && ehtFem->m_txopHolder &&
986 m_mac->GetMldAddress(ehtFem->m_txopHolder.value()) == mldAddress;
996 if (std::none_of(linkIds.cbegin(),
1000 [=,
this](uint8_t
id) {
1001 auto macHdr = m_mac->GetFrameExchangeManager(id)->GetReceivedMacHdr();
1002 return macHdr.has_value() &&
1003 m_mac->GetMldAddress(macHdr->get().GetAddr2()) == mldAddress;
1006 crossLinkCollision =
false;
1010 return crossLinkCollision;
1028 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); ++linkId)
1031 m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*mldAddress))
1036 m_apMac->GetMacQueueScheduler()->GetQueueLinkMask(
AC_BE, queueId, linkId);
1037 NS_ASSERT_MSG(mask,
"No mask for client " << *mldAddress <<
" on link " << +linkId);
1042 "Transmissions to " << *mldAddress <<
" on link " << +linkId
1043 <<
" are not blocked");
1070 if (psdu->GetAddr1() == address)
1079 if (mpdu->GetHeader().IsTrigger())
1082 mpdu->GetPacket()->PeekHeader(trigger);
1092 if (psdu->GetHeader(0).IsCts())
1106 if (psdu->GetHeader(0).IsBlockAck())
1109 psdu->GetPayload(0)->PeekHeader(blockAck);
1131 NS_LOG_DEBUG(
"Reset the counter of TXOP attempts allowed while "
1132 "MediumSyncDelay is running");
1147 NS_LOG_DEBUG(
"Decrement the remaining number of TXOP attempts allowed while "
1148 "MediumSyncDelay is running");
1177 auto txopStart = edca->GetTxopStartTime(
m_linkId);
1292 if (
auto holder =
FindTxopHolder(hdr, txVector); holder != sender)
1294 NS_LOG_DEBUG(
"Sender (" << sender <<
") differs from the TXOP holder ("
1301 NS_LOG_DEBUG(
"Sender (" << sender <<
") is not an EMLSR client");
1305 NS_LOG_DEBUG(
"EMLSR client " << sender <<
" is starting a TXOP");
1311 for (uint8_t linkId = 0; linkId <
m_apMac->GetNLinks(); ++linkId)
1314 m_mac->GetWifiRemoteStationManager(linkId)->GetEmlsrEnabled(*mldAddress))
1333 it->second.PeekEventImpl()->Invoke();
1334 it->second.Cancel();
1364 NS_ASSERT(mpdu->GetHeader().GetAddr1().IsGroup() || mpdu->GetHeader().GetAddr1() ==
m_self);
1366 const auto& hdr = mpdu->GetHeader();
1375 bool icfReceived =
false;
1377 if (hdr.IsTrigger())
1385 mpdu->GetPacket()->PeekHeader(trigger);
1387 if (hdr.GetAddr1() !=
m_self &&
1388 (!hdr.GetAddr1().IsBroadcast() || !
m_staMac->IsAssociated() ||
1404 auto emlsrManager =
m_staMac->GetEmlsrManager();
1430 !icfReceived && !mpdu->GetHeader().IsCts() && !mpdu->GetHeader().IsMgt())
1448 const std::vector<bool>& perMpduStatus)
1451 this << *psdu << rxSignalInfo << txVector << perMpduStatus.size()
1452 << std::all_of(perMpduStatus.begin(), perMpduStatus.end(), [](
bool v) { return v; }));
1470 auto emlsrManager =
m_staMac->GetEmlsrManager();
1480 if (
auto it = std::find_if(
1484 [=,
this](uint8_t linkId) {
1486 StaticCast<EhtFrameExchangeManager>(m_mac->GetFrameExchangeManager(linkId));
1487 return linkId != m_linkId && m_staMac->IsEmlsrLink(linkId) &&
1488 ehtFem->m_ongoingTxopEnd.IsPending() && ehtFem->m_txopHolder &&
1489 m_mac->GetWifiRemoteStationManager(linkId)->GetMldAddress(
1490 *ehtFem->m_txopHolder) == apMldAddress;
1492 it !=
m_staMac->GetLinkIds().cend())
1499 ->m_ongoingTxopEnd.Cancel();
1510 NS_LOG_DEBUG(
"Drop ICF because another EMLSR link is being used");
1535 else if (
auto mainPhy =
m_staMac->GetDevice()->GetPhy(emlsrManager->GetMainPhyId());
1538 const auto delay = mainPhy->GetChannelSwitchDelay();
1543 lastSwitch > lastTime)
1545 lastTime = lastSwitch;
1549 lastSleep > lastTime)
1551 lastTime = lastSleep;
1559 "Drop ICF due to not enough time for the main PHY to switch link; reason = "
1579 NS_LOG_DEBUG(
"PHY is decoding the PHY header of PPDU, postpone TXOP end");
1619 else if (durationId <= m_phy->GetSifs())
1623 NS_LOG_DEBUG(
"Assume TXOP will end based on Duration/ID value");
1676 if (durationId <= m_phy->GetSifs())
1678 NS_LOG_DEBUG(
"Assume TXOP ended based on Duration/ID value");
a polymophic address class
EhtFrameExchangeManager handles the frame exchange sequences for EHT stations.
void PostProcessFrame(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector) override
Perform actions that are possibly needed after receiving any frame, independently of whether the fram...
void ForwardPsduMapDown(WifiConstPsduMap psduMap, WifiTxVector &txVector) override
Forward a map of PSDUs down to the PHY layer.
void ReceivedQosNullAfterBsrpTf(Mac48Address sender) override
Perform the actions required when receiving QoS Null frame(s) from the given sender after a BSRP Trig...
TracedCallback< WifiIcfDrop, uint8_t > m_icfDropCallback
ICF drop reason traced callback (WifiMac exposes this trace source)
void SetIcfPaddingAndTxVector(CtrlTriggerHeader &trigger, WifiTxVector &txVector) const
Set the padding and the TXVECTOR of the given Trigger Frame, in case it is an Initial Control Frame f...
bool UsingOtherEmlsrLink() const
void PreProcessFrame(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector) override
Perform actions that are possibly needed when receiving any frame, independently of whether the frame...
void NavResetTimeout() override
Reset the NAV upon expiration of the NAV reset timer.
void ForwardPsduDown(Ptr< const WifiPsdu > psdu, WifiTxVector &txVector) override
Forward a PSDU down to the PHY layer.
void PsduRxError(Ptr< const WifiPsdu > psdu) override
This method is called when the reception of a PSDU fails.
void EmlsrSwitchToListening(Mac48Address address, const Time &delay)
This method is intended to be called when an AP MLD detects that an EMLSR client previously involved ...
void BlockAcksInTbPpduTimeout(WifiPsduMap *psduMap, std::size_t nSolicitedStations) override
Take the necessary actions after that some BlockAck frames are missing in response to a DL MU PPDU.
bool UnblockEmlsrLinksIfAllowed(Mac48Address address)
Unblock transmissions on all the links of the given EMLSR client, provided that the latter is not inv...
void SendEmlOmn(const Mac48Address &dest, const MgtEmlOmn &frame)
Send an EML Operating Mode Notification frame to the given station.
EventId & GetOngoingTxopEndEvent()
Ptr< WifiMpdu > CreateAliasIfNeeded(Ptr< WifiMpdu > mpdu) const override
Create an alias of the given MPDU for transmission by this Frame Exchange Manager.
void TransmissionFailed() override
Take necessary actions upon a transmission failure.
void TbPpduTimeout(WifiPsduMap *psduMap, std::size_t nSolicitedStations) override
Take the necessary actions after that some TB PPDUs are missing in response to Trigger Frame.
void IntraBssNavResetTimeout() override
Reset the intra-BSS NAV upon expiration of the intra-BSS NAV reset timer.
void SendCtsAfterMuRts(const WifiMacHeader &muRtsHdr, const CtrlTriggerHeader &trigger, double muRtsSnr) override
Send CTS after receiving an MU-RTS.
void SwitchToListeningOrUnblockLinks(const std::set< Mac48Address > &clients)
For each EMLSR client in the given set of clients that did not respond to a frame requesting a respon...
EhtFrameExchangeManager()
bool IsCrossLinkCollision(const std::set< Mac48Address > &staMissedResponseFrom)
Check whether all the stations that did not respond (to a certain frame) are EMLSR clients trying to ...
std::optional< dBm_u > GetMostRecentRssi(const Mac48Address &address) const override
Get the RSSI of the most recent packet received from the station having the given address.
void UpdateTxopEndOnRxEnd(Time durationId)
Update the TXOP end timer when a frame reception ends.
void EndReceiveAmpdu(Ptr< const WifiPsdu > psdu, const RxSignalInfo &rxSignalInfo, const WifiTxVector &txVector, const std::vector< bool > &perMpduStatus) override
This method is called when the reception of an A-MPDU including multiple MPDUs is completed.
bool CheckEmlsrClientStartingTxop(const WifiMacHeader &hdr, const WifiTxVector &txVector)
Check if the frame received (or being received) is sent by an EMLSR client to start an UL TXOP.
bool EmlsrClientCannotRespondToIcf() const
void TransmissionSucceeded() override
Take necessary actions upon a transmission success.
bool GetEmlsrSwitchToListening(Ptr< const WifiPsdu > psdu, uint16_t aid, const Mac48Address &address) const
static TypeId GetTypeId()
Get the type ID.
void DoDispose() override
Destructor implementation.
std::unordered_map< Mac48Address, EventId, WifiAddressHash > m_transDelayTimer
MLD address-indexed map of transition delay timers.
void NotifyChannelReleased(Ptr< Txop > txop) override
Notify the given Txop that channel has been released.
EventId m_ongoingTxopEnd
event indicating the possible end of the current TXOP (of which we are not the holder)
void RxStartIndication(WifiTxVector txVector, Time psduDuration) override
void ReceiveMpdu(Ptr< const WifiMpdu > mpdu, RxSignalInfo rxSignalInfo, const WifiTxVector &txVector, bool inAmpdu) override
This method handles the reception of an MPDU (possibly included in an A-MPDU)
void UpdateTxopEndOnTxStart(Time txDuration, Time durationId)
Update the TXOP end timer when starting a frame transmission.
void GenerateInDeviceInterference(uint8_t linkId, Time duration, Watt_u txPower)
Generate an in-device interference of the given power on the given link for the given duration.
void SendQosNullFramesInTbPpdu(const CtrlTriggerHeader &trigger, const WifiMacHeader &hdr) override
Send QoS Null frames in response to a Basic or BSRP Trigger Frame.
void SendCtsAfterRts(const WifiMacHeader &rtsHdr, WifiMode rtsTxMode, double rtsSnr) override
Send CTS after receiving RTS.
void UpdateTxopEndOnRxStartIndication(Time psduDuration)
Update the TXOP end timer when receiving a PHY-RXSTART.indication.
~EhtFrameExchangeManager() override
void TxopEnd(const std::optional< Mac48Address > &txopHolder)
Take actions when a TXOP (of which we are not the holder) ends.
void CtsAfterMuRtsTimeout(Ptr< WifiMpdu > muRts, const WifiTxVector &txVector) override
Called when no CTS frame is received after an MU-RTS.
void NotifySwitchingEmlsrLink(Ptr< WifiPhy > phy, uint8_t linkId, Time delay)
Notify that the given PHY will switch channel to operate on another EMLSR link after the given delay.
bool StartTransmission(Ptr< Txop > edca, MHz_u allowedWidth) override
Request the FrameExchangeManager to start a frame exchange sequence.
void SetLinkId(uint8_t linkId) override
Set the ID of the link this Frame Exchange Manager is associated with.
An identifier for simulation events.
void Cancel()
This method is syntactic sugar for the ns3::Simulator::Cancel method.
bool IsPending() const
This method is syntactic sugar for !IsExpired().
std::set< Mac48Address > m_sentRtsTo
the STA(s) which we sent an RTS to (waiting for CTS)
uint8_t m_linkId
the ID of the link this object is associated with
Ptr< WifiMac > m_mac
the MAC layer on this station
virtual void ResetPhy()
Remove WifiPhy associated with this FrameExchangeManager.
Ptr< WifiRemoteStationManager > GetWifiRemoteStationManager() const
Ptr< MacTxMiddle > m_txMiddle
the MAC TX Middle on this station
Mac48Address m_self
the MAC address of this device
virtual void TransmissionFailed()
Take necessary actions upon a transmission failure.
WifiTxTimer m_txTimer
the timer set upon frame transmission
virtual void SendCtsAfterRts(const WifiMacHeader &rtsHdr, WifiMode rtsTxMode, double rtsSnr)
Send CTS after receiving RTS.
std::set< Mac48Address > m_protectedStas
STAs that have replied to an RTS in this TXOP.
Mac48Address GetAddress() const
Get the MAC address.
virtual void SetLinkId(uint8_t linkId)
Set the ID of the link this Frame Exchange Manager is associated with.
virtual void NotifyChannelReleased(Ptr< Txop > txop)
Notify the given Txop that channel has been released.
Ptr< WifiAckManager > GetAckManager() const
Get the Acknowledgment Manager used by this node.
Ptr< WifiProtectionManager > GetProtectionManager() const
Get the Protection Manager used by this node.
Ptr< WifiPhy > m_phy
the PHY layer on this station
virtual void PreProcessFrame(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector)
Perform actions that are possibly needed when receiving any frame, independently of whether the frame...
Mac48Address m_bssid
BSSID address (Mac48Address)
virtual bool StartTransmission(Ptr< Txop > dcf, MHz_u allowedWidth)
Request the FrameExchangeManager to start a frame exchange sequence.
MHz_u m_allowedWidth
the allowed width for the current transmission
HeFrameExchangeManager handles the frame exchange sequences for HE stations.
Ptr< ApWifiMac > m_apMac
MAC pointer (null if not an AP)
virtual void SendQosNullFramesInTbPpdu(const CtrlTriggerHeader &trigger, const WifiMacHeader &hdr)
Send QoS Null frames in response to a Basic or BSRP Trigger Frame.
void DoDispose() override
Destructor implementation.
virtual void IntraBssNavResetTimeout()
Reset the intra-BSS NAV upon expiration of the intra-BSS NAV reset timer.
virtual void ReceivedQosNullAfterBsrpTf(Mac48Address sender)
Perform the actions required when receiving QoS Null frame(s) from the given sender after a BSRP Trig...
void RxStartIndication(WifiTxVector txVector, Time psduDuration) override
void DoCtsAfterMuRtsTimeout(Ptr< WifiMpdu > muRts, const WifiTxVector &txVector, bool updateFailedCw)
Called when no CTS frame is received after an MU-RTS.
std::optional< Mac48Address > FindTxopHolder(const WifiMacHeader &hdr, const WifiTxVector &txVector) override
Determine the holder of the TXOP, if possible, based on the received frame.
void NavResetTimeout() override
Reset the NAV upon expiration of the NAV reset timer.
virtual void SendCtsAfterMuRts(const WifiMacHeader &muRtsHdr, const CtrlTriggerHeader &trigger, double muRtsSnr)
Send CTS after receiving an MU-RTS.
void EndReceiveAmpdu(Ptr< const WifiPsdu > psdu, const RxSignalInfo &rxSignalInfo, const WifiTxVector &txVector, const std::vector< bool > &perMpduStatus) override
This method is called when the reception of an A-MPDU including multiple MPDUs is completed.
Ptr< StaWifiMac > m_staMac
MAC pointer (null if not a STA)
virtual void BlockAcksInTbPpduTimeout(WifiPsduMap *psduMap, std::size_t nSolicitedStations)
Take the necessary actions after that some BlockAck frames are missing in response to a DL MU PPDU.
void ReceiveMpdu(Ptr< const WifiMpdu > mpdu, RxSignalInfo rxSignalInfo, const WifiTxVector &txVector, bool inAmpdu) override
This method handles the reception of an MPDU (possibly included in an A-MPDU)
virtual void ForwardPsduMapDown(WifiConstPsduMap psduMap, WifiTxVector &txVector)
Forward a map of PSDUs down to the PHY layer.
void PostProcessFrame(Ptr< const WifiPsdu > psdu, const WifiTxVector &txVector) override
Perform actions that are possibly needed after receiving any frame, independently of whether the fram...
std::set< Mac48Address > GetTfRecipients(const CtrlTriggerHeader &trigger) const
Get the (link) address of the non-AP stations solicited by the given Trigger Frame.
void DoTbPpduTimeout(WifiPsduMap *psduMap, std::size_t nSolicitedStations, bool updateFailedCw)
Take the necessary actions after that some TB PPDUs are missing in response to Trigger Frame.
virtual std::optional< dBm_u > GetMostRecentRssi(const Mac48Address &address) const
Get the RSSI of the most recent packet received from the station having the given address.
void TransmissionSucceeded() override
Take necessary actions upon a transmission success.
Ptr< MpduAggregator > m_mpduAggregator
A-MPDU aggregator.
virtual void ForwardPsduDown(Ptr< const WifiPsdu > psdu, WifiTxVector &txVector)
Forward a PSDU down to the PHY layer.
Ptr< MsduAggregator > m_msduAggregator
A-MSDU aggregator.
Implement the header for Action frames of type EML Operating Mode Notification.
Smart pointer class similar to boost::intrusive_ptr.
std::optional< Mac48Address > m_txopHolder
MAC address of the TXOP holder.
virtual Ptr< WifiMpdu > CreateAliasIfNeeded(Ptr< WifiMpdu > mpdu) const
Create an alias of the given MPDU for transmission by this Frame Exchange Manager.
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
static Time Now()
Return the current simulation virtual time.
static EventId ScheduleNow(FUNC f, Ts &&... args)
Schedule an event to expire Now.
Simulation virtual time values and global simulation resolution.
TimeWithUnit As(const Unit unit=Time::AUTO) const
Attach a unit to a Time, to facilitate output in a specific unit.
bool IsStrictlyPositive() const
Exactly equivalent to t > 0.
bool IsZero() const
Exactly equivalent to t == 0.
void StartAccessAfterEvent(uint8_t linkId, bool hadFramesToTransmit, bool checkMediumBusy)
Request channel access on the given link after the occurrence of an event that possibly requires to g...
static constexpr bool DIDNT_HAVE_FRAMES_TO_TRANSMIT
no packet available for transmission was in the queue
static constexpr bool CHECK_MEDIUM_BUSY
generation of backoff (also) depends on the busy/idle state of the medium
static constexpr bool DONT_CHECK_MEDIUM_BUSY
generation of backoff is independent of the busy/idle state of the medium
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
represent a single transmission mode
uint64_t GetDataRate(MHz_u channelWidth, Time guardInterval, uint8_t nss) const
Time GetSlot() const
Return the slot duration for this PHY.
Time GetSifs() const
Return the Short Interframe Space (SIFS) for this PHY.
static Time CalculateTxDuration(uint32_t size, const WifiTxVector &txVector, WifiPhyBand band, uint16_t staId=SU_STA_ID)
WifiPhyBand GetPhyBand() const
Get the configured Wi-Fi band.
bool IsReceivingPhyHeader() const
Ptr< PhyEntity > GetPhyEntity(WifiModulationClass modulation) const
Get the supported PHY entity corresponding to the modulation class.
bool IsRunning() const
Return true if the timer is running.
const std::set< Mac48Address > & GetStasExpectedToRespond() const
Time GetDelayLeft() const
Get the remaining time until the timer will expire.
This class mimics the TXVECTOR which is to be passed to the PHY in order to define the parameters whi...
WifiMode GetMode(uint16_t staId=SU_STA_ID) const
If this TX vector is associated with an SU PPDU, return the selected payload transmission mode.
WifiPreamble GetPreambleType() const
void SetSigBMode(const WifiMode &mode)
Set the MCS used for SIG-B.
uint8_t GetTxPowerLevel() const
Declaration of ns3::EhtPhy class.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
#define NS_ASSERT_MSG(condition, message)
At runtime, in debugging builds, if this condition is not true, the program prints the message to out...
#define NS_ABORT_MSG_IF(cond, msg)
Abnormal program termination if a condition is true, with a message.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Ptr< T > Create(Ts &&... args)
Create class instances by constructors with varying numbers of arguments and return them by Ptr.
Time MicroSeconds(uint64_t value)
Construct a Time in the indicated unit.
Time NanoSeconds(uint64_t value)
Construct a Time in the indicated unit.
Time Seconds(double value)
Construct a Time in the indicated unit.
@ WIFI_MOD_CLASS_EHT
EHT (Clause 36)
@ WAITING_EMLSR_TRANSITION_DELAY
Every class exported by the ns3 library is enclosed in the ns3 namespace.
U * PeekPointer(const Ptr< U > &p)
std::unordered_map< uint16_t, Ptr< const WifiPsdu > > WifiConstPsduMap
Map of const PSDUs indexed by STA-ID.
std:: tuple< WifiContainerQueueType, WifiReceiverAddressType, Mac48Address, std::optional< uint8_t > > WifiContainerQueueId
Tuple (queue type, receiver address type, Address, TID) identifying a container queue.
static constexpr uint8_t WAIT_FOR_RXSTART_DELAY_USEC
Additional time (exceeding 20 us) to wait for a PHY-RXSTART.indication when the PHY is decoding a PHY...
@ SWITCHING
The PHY layer is switching to other channel.
@ TX
The PHY layer is sending a packet.
@ SLEEP
The PHY layer is sleeping.
bool IsTrigger(const WifiPsduMap &psduMap)
Ptr< T1 > DynamicCast(const Ptr< T2 > &p)
Cast a Ptr.
Watt_u DbmToW(dBm_u val)
Convert from dBm to Watts.
Ptr< T1 > StaticCast(const Ptr< T2 > &p)
Cast a Ptr.
const Time EMLSR_RX_PHY_START_DELAY
aRxPHYStartDelay value to use when waiting for a new frame in the context of EMLSR operations (Sec.
std::unordered_map< uint16_t, Ptr< WifiPsdu > > WifiPsduMap
Map of PSDUs indexed by STA-ID.
static Time DecodeEmlsrTransitionDelay(uint8_t value)
RxSignalInfo structure containing info on the received signal.