package/kernel/mac80211/patches/565-ath9k_baw_tracking_fix.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ath9k.h
   2 +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
   3 @@ -211,8 +211,9 @@ struct ath_frame_info {
   4         int framelen;
   5         enum ath9k_key_type keytype;
   6         u8 keyix;
   7 -       u8 retries;
   8         u8 rtscts_rate;
   9 +       u8 retries : 7;
  10 +       u8 baw_tracked : 1;
  11  };
  12
  13  struct ath_buf_state {
  14 --- a/drivers/net/wireless/ath/ath9k/xmit.c
  15 +++ b/drivers/net/wireless/ath/ath9k/xmit.c
  16 @@ -225,7 +225,7 @@ static void ath_tx_flush_tid(struct ath_
  17                         }
  18                 }
  19
  20 -               if (fi->retries) {
  21 +               if (fi->baw_tracked) {
  22                         list_add_tail(&bf->list, &bf_head);
  23                         ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
  24                         ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
  25 @@ -262,13 +262,16 @@ static void ath_tx_update_baw(struct ath
  26  }
  27
  28  static void ath_tx_addto_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
  29 -                            u16 seqno)
  30 +                            struct ath_buf *bf)
  31  {
  32 +       struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu);
  33 +       u16 seqno = bf->bf_state.seqno;
  34         int index, cindex;
  35
  36         index  = ATH_BA_INDEX(tid->seq_start, seqno);
  37         cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
  38         __set_bit(cindex, tid->tx_buf);
  39 +       fi->baw_tracked = 1;
  40
  41         if (index >= ((tid->baw_tail - tid->baw_head) &
  42                 (ATH_TID_MAX_BUFS - 1))) {
  43 @@ -960,8 +963,8 @@ static enum ATH_AGGR_STATUS ath_tx_form_
  44                 bf->bf_next = NULL;
  45
  46                 /* link buffers of this frame to the aggregate */
  47 -               if (!fi->retries)
  48 -                       ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
  49 +               if (!fi->baw_tracked)
  50 +                       ath_tx_addto_baw(sc, tid, bf);
  51                 bf->bf_state.ndelim = ndelim;
  52
  53                 __skb_unlink(skb, tid_q);
  54 @@ -1451,7 +1454,7 @@ void ath9k_release_buffered_frames(struc
  55                         __skb_unlink(bf->bf_mpdu, tid_q);
  56                         list_add_tail(&bf->list, &bf_q);
  57                         ath_set_rates(tid->an->vif, tid->an->sta, bf);
  58 -                       ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
  59 +                       ath_tx_addto_baw(sc, tid, bf);
  60                         bf->bf_state.bf_type &= ~BUF_AGGR;
  61                         if (bf_tail)
  62                                 bf_tail->bf_next = bf;
  63 @@ -1884,7 +1887,7 @@ static void ath_tx_send_ampdu(struct ath
  64         list_add(&bf->list, &bf_head);
  65
  66         /* Add sub-frame to BAW */
  67 -       ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
  68 +       ath_tx_addto_baw(sc, tid, bf);
  69
  70         /* Queue to h/w without aggregation */
  71         TX_STAT_INC(txq->axq_qnum, a_queued_hw);