From 7eb9af58065c2741c276285fb25ac7b371447ecc Mon Sep 17 00:00:00 2001
From: zhangwenxu <zhangwenxu@espressif.com>
Date: Fri, 19 May 2023 13:36:12 +0800
Subject: [PATCH] openthread: fix frame counter when re-transmition

---
 components/openthread/port/esp_openthread_radio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/components/openthread/port/esp_openthread_radio.c b/components/openthread/port/esp_openthread_radio.c
index 80f8020f9f..a8616a7fdf 100644
--- a/components/openthread/port/esp_openthread_radio.c
+++ b/components/openthread/port/esp_openthread_radio.c
@@ -300,7 +300,9 @@ otError otPlatRadioTransmit(otInstance *aInstance, otRadioFrame *aFrame)
     aFrame->mPsdu[-1] = aFrame->mLength; // lenth locates one byte before the psdu (esp_openthread_radio_tx_psdu);
 
     if (otMacFrameIsSecurityEnabled(aFrame) && !aFrame->mInfo.mTxInfo.mIsSecurityProcessed) {
-        otMacFrameSetFrameCounter(aFrame, s_mac_frame_counter++);
+        if (!s_transmit_frame.mInfo.mTxInfo.mIsARetx) {
+            otMacFrameSetFrameCounter(aFrame, s_mac_frame_counter++);
+        }
         if (otMacFrameIsKeyIdMode1(aFrame)) {
             s_transmit_frame.mInfo.mTxInfo.mAesKey = &s_current_key;
             if (!s_transmit_frame.mInfo.mTxInfo.mIsARetx) {