package/kernel/mac80211/patches/341-ath9k-release-PS-buffered-frames-as-A-MPDU-if-enable.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Sun, 28 Aug 2016 13:15:10 +0200
   3 Subject: [PATCH] ath9k: release PS buffered frames as A-MPDU if enabled
   4
   5 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   6 ---
   7
   8 --- a/drivers/net/wireless/ath/ath9k/xmit.c
   9 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
  10 @@ -1660,10 +1660,11 @@ void ath9k_release_buffered_frames(struc
  11         struct ath_node *an = (struct ath_node *)sta->drv_priv;
  12         struct ath_txq *txq = sc->tx.uapsdq;
  13         struct ieee80211_tx_info *info;
  14 +       struct ath_frame_info *fi;
  15         struct list_head bf_q;
  16         struct ath_buf *bf_tail = NULL, *bf;
  17         int sent = 0;
  18 -       int i;
  19 +       int n, i;
  20
  21         INIT_LIST_HEAD(&bf_q);
  22         for (i = 0; tids && nframes; i++, tids >>= 1) {
  23 @@ -1683,10 +1684,15 @@ void ath9k_release_buffered_frames(struc
  24                         ath9k_set_moredata(sc, bf, true);
  25                         list_add_tail(&bf->list, &bf_q);
  26                         ath_set_rates(tid->an->vif, tid->an->sta, bf, true);
  27 -                       if (bf_isampdu(bf)) {
  28 +                       if (bf_isampdu(bf))
  29                                 ath_tx_addto_baw(sc, tid, bf);
  30 -                               bf->bf_state.bf_type &= ~BUF_AGGR;
  31 +                       if (bf_isaggr(bf)) {
  32 +                               fi = get_frame_info(bf->bf_mpdu);
  33 +                               n = ath_compute_num_delims(sc, tid, bf,
  34 +                                                          fi->framelen, true);
  35 +                               bf->bf_state.ndelim = n;
  36                         }
  37 +
  38                         if (bf_tail)
  39                                 bf_tail->bf_next = bf;
  40