From 129b05ac9d93de85c8293a51acd2d9f2133ae5d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Deronne?= <sebastien.deronne@gmail.com>
Date: Fri, 8 Dec 2023 18:32:04 +0100
Subject: [PATCH] wifi: GCR-incapable STAs should not process concealed group
 addressed packets

---
 src/wifi/model/ht/ht-frame-exchange-manager.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/wifi/model/ht/ht-frame-exchange-manager.cc b/src/wifi/model/ht/ht-frame-exchange-manager.cc
index ac94638a1..5ed96d759 100644
--- a/src/wifi/model/ht/ht-frame-exchange-manager.cc
+++ b/src/wifi/model/ht/ht-frame-exchange-manager.cc
@@ -1838,6 +1838,12 @@ HtFrameExchangeManager::ReceiveMpdu(Ptr<const WifiMpdu> mpdu,
         ReceiveMgtAction(mpdu, txVector);
     }
 
+    if (IsGroupcast(hdr.GetAddr1()) && hdr.IsQosData() && hdr.IsQosAmsdu() &&
+        !m_mac->GetRobustAVStreamingSupported())
+    {
+        return;
+    }
+
     QosFrameExchangeManager::ReceiveMpdu(mpdu, rxSignalInfo, txVector, inAmpdu);
 }