From 9e0da0459845eeddc3dbd4e7951bb539802a4066 Mon Sep 17 00:00:00 2001
From: Li Cao <irvingcl@google.com>
Date: Wed, 12 May 2021 08:41:41 +0800
Subject: [PATCH] [mac-frame] fix setting mCslPresent field (#6610)

---
 src/core/thread/mesh_forwarder.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/core/thread/mesh_forwarder.cpp b/src/core/thread/mesh_forwarder.cpp
index 152ad2a67..ca9d1cdbb 100644
--- a/src/core/thread/mesh_forwarder.cpp
+++ b/src/core/thread/mesh_forwarder.cpp
@@ -1567,7 +1567,12 @@ void MeshForwarder::AppendHeaderIe(const Message *aMessage, Mac::TxFrame &aFrame
     if (Get<Mac::Mac>().IsCslEnabled())
     {
         IgnoreError(aFrame.AppendHeaderIeAt<Mac::CslIe>(index));
-        iePresent = true;
+        aFrame.mInfo.mTxInfo.mCslPresent = true;
+        iePresent                        = true;
+    }
+    else
+    {
+        aFrame.mInfo.mTxInfo.mCslPresent = false;
     }
 #endif