[FS#3947] Wifi STA that loses AP signal takes down the whole router, sometimes rebooting it

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FS#3947 - Wifi STA that loses AP signal takes down the whole router, sometimes rebooting it
User who did this - slick_diligence (slick_diligence)

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It sounds like there may be some progress from:

https://lkml.org/lkml/2021/11/18/539

The reporter to the kernel list identified the exact same commit that I did "mac80211: call ieee80211_tx_h_rate_ctrl() when dequeue".

There appears to be a patch available from Felix Fietkau:

https://lkml.org/lkml/2021/11/21/252

---
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1822,15 +1822,15 @@ static int invoke_tx_handlers_late(struct ieee80211_tx_data *tx)
  	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb);
  	ieee80211_tx_result res = TX_CONTINUE;
  
+	if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL))
+		CALL_TXH(ieee80211_tx_h_rate_ctrl);
+
  	if (unlikely(info->flags & IEEE80211_TX_INTFL_RETRANSMISSION)) {
  		__skb_queue_tail(&tx->skbs, tx->skb);
  		tx->skb = NULL;
  		goto txh_done;
  	}
  
-	if (!ieee80211_hw_check(&tx->local->hw, HAS_RATE_CONTROL))
-		CALL_TXH(ieee80211_tx_h_rate_ctrl);
-
  	CALL_TXH(ieee80211_tx_h_michael_mic_add);
  	CALL_TXH(ieee80211_tx_h_sequence);
  	CALL_TXH(ieee80211_tx_h_fragment);


I will give this a try and see if it improves.
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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3947#comment10339

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