From: Ryder Lee <ryder.lee@mediatek.com>
Date: Fri, 28 May 2021 14:05:42 +0800
Subject: [PATCH] mac80211: minstrel_ht: fix minstrel_aggr_check for encap
 offload

Avoid checking ieee80211_hdr to support encap offload.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---

--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1156,19 +1156,24 @@ static void
 minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
 	u16 tid;
 
 	if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
 		return;
 
-	if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
+	if (unlikely(!pubsta->wme))
+		return;
+
+	if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
+	    unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
 		return;
 
 	if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE)))
 		return;
 
-	tid = ieee80211_get_tid(hdr);
+	tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
 	if (likely(sta->ampdu_mlme.tid_tx[tid]))
 		return;