From 9d172ac9a1dcdb7ccac6194296abdda2d4aafbd4 Mon Sep 17 00:00:00 2001
From: Stefano Avallone <stavallo@unina.it>
Date: Tue, 19 Sep 2023 17:44:48 +0200
Subject: [PATCH] wifi: Generate backoff if needed when a PHY wakes up or is
 turned on

---
 src/wifi/model/txop.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/wifi/model/txop.cc b/src/wifi/model/txop.cc
index fd59629f8..a39176d09 100644
--- a/src/wifi/model/txop.cc
+++ b/src/wifi/model/txop.cc
@@ -679,7 +679,8 @@ void
 Txop::NotifyWakeUp(uint8_t linkId)
 {
     NS_LOG_FUNCTION(this << +linkId);
-    StartAccessIfNeeded(linkId);
+    // before wake up, no packet can be transmitted
+    StartAccessAfterEvent(linkId, false, false);
 }
 
 void
@@ -688,7 +689,8 @@ Txop::NotifyOn()
     NS_LOG_FUNCTION(this);
     for (const auto& [id, link] : m_links)
     {
-        StartAccessIfNeeded(id);
+        // before being turned on, no packet can be transmitted
+        StartAccessAfterEvent(id, false, false);
     }
 }