ath9k: fix an AP mode powersave issue with aggregation

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 38249

diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch
index 3312284d1111ed677b38d2d3f4aa0dbe87c173be..53884e53dc471913a8401cd0e96b9fd196afdfdf 100644 (file)
--- a/package/kernel/mac80211/patches/300-pending_work.patch
+++ b/package/kernel/mac80211/patches/300-pending_work.patch
@@ -1027,7 +1027,11 @@
 +              *stop = true;
 +              return false;
 +      }
-+
+ 
+-              ath_tx_fill_desc(sc, bf, txq, aggr_len);
+-              ath_tx_txqaddbuf(sc, txq, &bf_q, false);
+-      } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
+-               status != ATH_AGGR_BAW_CLOSED);
 +      ath_set_rates(tid->an->vif, tid->an->sta, bf);
 +      if (aggr)
 +              last = ath_tx_form_aggr(sc, txq, tid, &bf_q, bf,
@@ -1042,11 +1046,7 @@
 +              tid->ac->clear_ps_filter = false;
 +              tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
 +      }
- 
--              ath_tx_fill_desc(sc, bf, txq, aggr_len);
--              ath_tx_txqaddbuf(sc, txq, &bf_q, false);
--      } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
--               status != ATH_AGGR_BAW_CLOSED);
++
 +      ath_tx_fill_desc(sc, bf, txq, aggr_len);
 +      ath_tx_txqaddbuf(sc, txq, &bf_q, false);
 +      return true;
@@ -1250,7 +1250,7 @@
        }
  
        rcu_read_unlock();
-@@ -1787,62 +1959,13 @@ static void ath_tx_txqaddbuf(struct ath_
+@@ -1787,74 +1959,28 @@ static void ath_tx_txqaddbuf(struct ath_
                        if (bf_is_ampdu_not_probing(bf))
                                txq->axq_ampdu_depth++;
  
@@ -1316,7 +1316,25 @@
  static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
                               struct ath_atx_tid *tid, struct sk_buff *skb)
  {
-@@ -1985,6 +2108,7 @@ static int ath_tx_prepare(struct ieee802
++      struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+       struct ath_frame_info *fi = get_frame_info(skb);
+       struct list_head bf_head;
+-      struct ath_buf *bf;
+-
+-      bf = fi->bf;
++      struct ath_buf *bf = fi->bf;
+ 
+       INIT_LIST_HEAD(&bf_head);
+       list_add_tail(&bf->list, &bf_head);
+       bf->bf_state.bf_type = 0;
++      if (tid && (tx_info->flags & IEEE80211_TX_CTL_AMPDU)) {
++              bf->bf_state.bf_type = BUF_AMPDU;
++              ath_tx_addto_baw(sc, tid, bf);
++      }
+ 
+       bf->bf_next = NULL;
+       bf->bf_lastbf = bf;
+@@ -1985,6 +2111,7 @@ static int ath_tx_prepare(struct ieee802
        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
        struct ieee80211_sta *sta = txctl->sta;
        struct ieee80211_vif *vif = info->control.vif;
@@ -1324,7 +1342,7 @@
        struct ath_softc *sc = hw->priv;
        int frmlen = skb->len + FCS_LEN;
        int padpos, padsize;
-@@ -1992,6 +2116,10 @@ static int ath_tx_prepare(struct ieee802
+@@ -1992,6 +2119,10 @@ static int ath_tx_prepare(struct ieee802
        /* NOTE:  sta can be NULL according to net/mac80211.h */
        if (sta)
                txctl->an = (struct ath_node *)sta->drv_priv;
@@ -1335,7 +1353,7 @@
  
        if (info->control.hw_key)
                frmlen += info->control.hw_key->icv_len;
-@@ -2041,7 +2169,6 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -2041,7 +2172,6 @@ int ath_tx_start(struct ieee80211_hw *hw
        struct ath_txq *txq = txctl->txq;
        struct ath_atx_tid *tid = NULL;
        struct ath_buf *bf;
@@ -1343,7 +1361,7 @@
        int q;
        int ret;
  
-@@ -2069,27 +2196,31 @@ int ath_tx_start(struct ieee80211_hw *hw
+@@ -2069,27 +2199,31 @@ int ath_tx_start(struct ieee80211_hw *hw
                ath_txq_unlock(sc, txq);
                txq = sc->tx.uapsdq;
                ath_txq_lock(sc, txq);
@@ -1386,7 +1404,7 @@
                if (txctl->paprd)
                        dev_kfree_skb_any(skb);
                else
-@@ -2142,7 +2273,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
+@@ -2142,7 +2276,7 @@ void ath_tx_cabq(struct ieee80211_hw *hw
  
                bf->bf_lastbf = bf;
                ath_set_rates(vif, NULL, bf);
@@ -1395,7 +1413,7 @@
                duration += info.rates[0].PktDuration;
                if (bf_tail)
                        bf_tail->bf_next = bf;
-@@ -2189,7 +2320,7 @@ static void ath_tx_complete(struct ath_s
+@@ -2189,7 +2323,7 @@ static void ath_tx_complete(struct ath_s
        struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
        struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
@@ -1404,7 +1422,7 @@
        unsigned long flags;
  
        ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
-@@ -2225,21 +2356,7 @@ static void ath_tx_complete(struct ath_s
+@@ -2225,21 +2359,7 @@ static void ath_tx_complete(struct ath_s
        spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
  
        __skb_queue_tail(&txq->complete_q, skb);
@@ -1427,7 +1445,7 @@
  }
  
  static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
-@@ -2360,8 +2477,7 @@ static void ath_tx_processq(struct ath_s
+@@ -2360,8 +2480,7 @@ static void ath_tx_processq(struct ath_s
  
                if (list_empty(&txq->axq_q)) {
                        txq->axq_link = NULL;
@@ -1437,7 +1455,7 @@
                        break;
                }
                bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
-@@ -2375,7 +2491,7 @@ static void ath_tx_processq(struct ath_s
+@@ -2375,7 +2494,7 @@ static void ath_tx_processq(struct ath_s
                 * it with the STALE flag.
                 */
                bf_held = NULL;
@@ -1446,7 +1464,7 @@
                        bf_held = bf;
                        if (list_is_last(&bf_held->list, &txq->axq_q))
                                break;
-@@ -2399,7 +2515,7 @@ static void ath_tx_processq(struct ath_s
+@@ -2399,7 +2518,7 @@ static void ath_tx_processq(struct ath_s
                 * however leave the last descriptor back as the holding
                 * descriptor for hw.
                 */
@@ -1455,7 +1473,7 @@
                INIT_LIST_HEAD(&bf_head);
                if (!list_is_singular(&lastbf->list))
                        list_cut_position(&bf_head,
-@@ -2470,7 +2586,7 @@ void ath_tx_edma_tasklet(struct ath_soft
+@@ -2470,7 +2589,7 @@ void ath_tx_edma_tasklet(struct ath_soft
                }
  
                bf = list_first_entry(fifo_list, struct ath_buf, list);
@@ -1464,7 +1482,7 @@
                        list_del(&bf->list);
                        ath_tx_return_buffer(sc, bf);
                        bf = list_first_entry(fifo_list, struct ath_buf, list);
-@@ -2492,7 +2608,7 @@ void ath_tx_edma_tasklet(struct ath_soft
+@@ -2492,7 +2611,7 @@ void ath_tx_edma_tasklet(struct ath_soft
                                ath_tx_txqaddbuf(sc, txq, &bf_q, true);
                        }
                } else {
@@ -1473,7 +1491,7 @@
                        if (bf != lastbf)
                                list_cut_position(&bf_head, fifo_list,
                                                  lastbf->list.prev);
-@@ -2583,6 +2699,7 @@ void ath_tx_node_init(struct ath_softc *
+@@ -2583,6 +2702,7 @@ void ath_tx_node_init(struct ath_softc *
                tid->paused    = false;
                tid->active        = false;
                __skb_queue_head_init(&tid->buf_q);
@@ -1481,7 +1499,7 @@
                acno = TID_TO_WME_AC(tidno);
                tid->ac = &an->ac[acno];
        }
-@@ -2590,6 +2707,7 @@ void ath_tx_node_init(struct ath_softc *
+@@ -2590,6 +2710,7 @@ void ath_tx_node_init(struct ath_softc *
        for (acno = 0, ac = &an->ac[acno];
             acno < IEEE80211_NUM_ACS; acno++, ac++) {
                ac->sched    = false;