package/kernel/mac80211/patches/subsys/375-mac80211-minstrel_ht-fix-minstrel_aggr_check-for-enc.patch

   1 From: Ryder Lee <ryder.lee@mediatek.com>
   2 Date: Fri, 28 May 2021 14:05:42 +0800
   3 Subject: [PATCH] mac80211: minstrel_ht: fix minstrel_aggr_check for encap
   4  offload
   5
   6 Avoid checking ieee80211_hdr to support encap offload.
   7
   8 Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
   9 ---
  10
  11 --- a/net/mac80211/rc80211_minstrel_ht.c
  12 +++ b/net/mac80211/rc80211_minstrel_ht.c
  13 @@ -1156,19 +1156,24 @@ static void
  14  minstrel_aggr_check(struct ieee80211_sta *pubsta, struct sk_buff *skb)
  15  {
  16         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
  17 +       struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
  18         struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
  19         u16 tid;
  20
  21         if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
  22                 return;
  23
  24 -       if (unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
  25 +       if (unlikely(!pubsta->wme))
  26 +               return;
  27 +
  28 +       if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
  29 +           unlikely(!ieee80211_is_data_qos(hdr->frame_control)))
  30                 return;
  31
  32         if (unlikely(skb->protocol == cpu_to_be16(ETH_P_PAE)))
  33                 return;
  34
  35 -       tid = ieee80211_get_tid(hdr);
  36 +       tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK;
  37         if (likely(sta->ampdu_mlme.tid_tx[tid]))
  38                 return;
  39