package/mac80211/patches/560-ath9k_aggr_sampling_fix.patch

   1 --- a/drivers/net/wireless/ath/ath9k/xmit.c
   2 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
   3 @@ -673,6 +673,7 @@ static enum ATH_AGGR_STATUS ath_tx_form_
   4         u16 aggr_limit = 0, al = 0, bpad = 0,
   5                 al_delta, h_baw = tid->baw_size / 2;
   6         enum ATH_AGGR_STATUS status = ATH_AGGR_DONE;
   7 +       struct ieee80211_tx_info *tx_info;
   8
   9         bf_first = list_first_entry(&tid->buf_q, struct ath_buf, list);
  10
  11 @@ -699,6 +700,11 @@ static enum ATH_AGGR_STATUS ath_tx_form_
  12                         break;
  13                 }
  14
  15 +               tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
  16 +               if (nframes && ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
  17 +                       !(tx_info->control.rates[0].flags & IEEE80211_TX_RC_MCS)))
  18 +                       break;
  19 +
  20                 /* do not exceed subframe limit */
  21                 if (nframes >= min((int)h_baw, ATH_AMPDU_SUBFRAME_DEFAULT)) {
  22                         status = ATH_AGGR_LIMITED;