wifi: An EMLSR client responding to a BSRP TF must be considered protected

src/wifi/model/eht/eht-frame-exchange-manager.cc

@@ -782,6 +782,20 @@ EhtFrameExchangeManager::SetIcfPaddingAndTxVector(CtrlTriggerHeader& trigger,
     }
 }
 
+void
+EhtFrameExchangeManager::ReceivedQosNullAfterBsrpTf(Mac48Address sender)
+{
+    NS_LOG_FUNCTION(this << sender);
+
+    // an EMLSR client responding to a BSRP TF must be considered protected
+    if (GetWifiRemoteStationManager()->GetEmlsrEnabled(sender))
+    {
+        m_protectedStas.insert(sender);
+    }
+
+    HeFrameExchangeManager::ReceivedQosNullAfterBsrpTf(sender);
+}
+
 void
 EhtFrameExchangeManager::SendCtsAfterMuRts(const WifiMacHeader& muRtsHdr,
                                            const CtrlTriggerHeader& trigger,

src/wifi/model/eht/eht-frame-exchange-manager.h

@@ -199,6 +199,7 @@ class EhtFrameExchangeManager : public HeFrameExchangeManager
     void IntraBssNavResetTimeout() override;
     void SendCtsAfterRts(const WifiMacHeader& rtsHdr, WifiMode rtsTxMode, double rtsSnr) override;
     void PsduRxError(Ptr<const WifiPsdu> psdu) override;
+    void ReceivedQosNullAfterBsrpTf(Mac48Address sender) override;
 
   private:
     /**

src/wifi/model/he/he-frame-exchange-manager.h

@@ -348,7 +348,7 @@ class HeFrameExchangeManager : public VhtFrameExchangeManager
      *
      * \param sender the MAC address of the given sender
      */
-    void ReceivedQosNullAfterBsrpTf(Mac48Address sender);
+    virtual void ReceivedQosNullAfterBsrpTf(Mac48Address sender);
 
     Ptr<ApWifiMac> m_apMac;          //!< MAC pointer (null if not an AP)
     Ptr<StaWifiMac> m_staMac;        //!< MAC pointer (null if not a STA)