From 02db76a86cc405e94c7c32947fe534ff0a3449ef Mon Sep 17 00:00:00 2001
From: Rediet <getachew.redieteab@orange.com>
Date: Mon, 23 Dec 2019 12:21:49 +0100
Subject: [PATCH] wifi: Keep the medium busy if reception is aborted ahead of
 scheduled time

---
 src/wifi/model/channel-access-manager.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/wifi/model/channel-access-manager.cc b/src/wifi/model/channel-access-manager.cc
index a36309a3a..3517373fc 100644
--- a/src/wifi/model/channel-access-manager.cc
+++ b/src/wifi/model/channel-access-manager.cc
@@ -561,6 +561,11 @@ ChannelAccessManager::NotifyRxEndErrorNow (void)
 {
   NS_LOG_FUNCTION (this);
   NS_LOG_DEBUG ("rx end error");
+  if (m_lastRxEnd > Simulator::Now ())
+    {
+      m_lastBusyStart = Simulator::Now ();
+      m_lastBusyDuration = m_lastRxEnd - m_lastBusyStart;
+    }
   m_lastRxEnd = Simulator::Now ();
   m_lastRxDuration = m_lastRxEnd - m_lastRxStart;
   m_lastRxReceivedOk = false;