mac80211: report tx status for dropped frames, should fix some remaining stability...
[openwrt/svn-archive/archive.git] / package / mac80211 / patches / 300-pending_work.patch
index 782f7d7877fd99cb1b54987879326609ac01a870..56f5af959b8de81cfda2314e5c3d34f49a045899 100644 (file)
---- a/drivers/net/wireless/ath/ath9k/hw.h
-+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -603,7 +603,6 @@ struct ath_hw_ops {
-                                    int power_off);
-       void (*rx_enable)(struct ath_hw *ah);
-       void (*set_desc_link)(void *ds, u32 link);
--      void (*get_desc_link)(void *ds, u32 **link);
-       bool (*calibrate)(struct ath_hw *ah,
-                         struct ath9k_channel *chan,
-                         u8 rxchainmask,
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -62,8 +62,6 @@ static bool ath9k_has_pending_frames(str
-       if (txq->axq_depth || !list_empty(&txq->axq_acq))
-               pending = true;
--      else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
--              pending = !list_empty(&txq->txq_fifo_pending);
-       spin_unlock_bh(&txq->axq_lock);
-       return pending;
---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
-@@ -28,11 +28,6 @@ static void ar9002_hw_set_desc_link(void
-       ((struct ath_desc*) ds)->ds_link = ds_link;
- }
--static void ar9002_hw_get_desc_link(void *ds, u32 **ds_link)
--{
--      *ds_link = &((struct ath_desc *)ds)->ds_link;
--}
--
- static bool ar9002_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
- {
-       u32 isr = 0;
-@@ -437,7 +432,6 @@ void ar9002_hw_attach_mac_ops(struct ath
-       ops->rx_enable = ar9002_hw_rx_enable;
-       ops->set_desc_link = ar9002_hw_set_desc_link;
--      ops->get_desc_link = ar9002_hw_get_desc_link;
-       ops->get_isr = ar9002_hw_get_isr;
-       ops->fill_txdesc = ar9002_hw_fill_txdesc;
-       ops->proc_txdesc = ar9002_hw_proc_txdesc;
---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -43,13 +43,6 @@ static void ar9003_hw_set_desc_link(void
-       ads->ctl10 |= ar9003_calc_ptr_chksum(ads);
- }
--static void ar9003_hw_get_desc_link(void *ds, u32 **ds_link)
--{
--      struct ar9003_txc *ads = ds;
--
--      *ds_link = &ads->link;
--}
--
- static bool ar9003_hw_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
- {
-       u32 isr = 0;
-@@ -498,7 +491,6 @@ void ar9003_hw_attach_mac_ops(struct ath
-       ops->rx_enable = ar9003_hw_rx_enable;
-       ops->set_desc_link = ar9003_hw_set_desc_link;
--      ops->get_desc_link = ar9003_hw_get_desc_link;
-       ops->get_isr = ar9003_hw_get_isr;
-       ops->fill_txdesc = ar9003_hw_fill_txdesc;
-       ops->proc_txdesc = ar9003_hw_proc_txdesc;
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -179,7 +179,7 @@ enum ATH_AGGR_STATUS {
- struct ath_txq {
-       int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
-       u32 axq_qnum; /* ath9k hardware queue number */
--      u32 *axq_link;
-+      void *axq_link;
-       struct list_head axq_q;
-       spinlock_t axq_lock;
-       u32 axq_depth;
-@@ -188,7 +188,6 @@ struct ath_txq {
-       bool axq_tx_inprogress;
-       struct list_head axq_acq;
-       struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
--      struct list_head txq_fifo_pending;
-       u8 txq_headidx;
-       u8 txq_tailidx;
-       int pending_frames;
---- a/drivers/net/wireless/ath/ath9k/debug.c
-+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -550,6 +550,7 @@ static ssize_t read_file_xmit(struct fil
-       PR("MPDUs Queued:    ", queued);
-       PR("MPDUs Completed: ", completed);
-+      PR("MPDUs XRetried:  ", xretries);
-       PR("Aggregates:      ", a_aggr);
-       PR("AMPDUs Queued HW:", a_queued_hw);
-       PR("AMPDUs Queued SW:", a_queued_sw);
-@@ -587,7 +588,6 @@ static ssize_t read_file_xmit(struct fil
-       PRQLE("axq_q empty:       ", axq_q);
-       PRQLE("axq_acq empty:     ", axq_acq);
--      PRQLE("txq_fifo_pending:  ", txq_fifo_pending);
-       for (i = 0; i < ATH_TXFIFO_DEPTH; i++) {
-               snprintf(tmp, sizeof(tmp) - 1, "txq_fifo[%i] empty: ", i);
-               PRQLE(tmp, txq_fifo[i]);
-@@ -807,7 +807,10 @@ void ath_debug_stat_tx(struct ath_softc 
-               else
-                       TX_STAT_INC(qnum, a_completed);
-       } else {
--              TX_STAT_INC(qnum, completed);
-+              if (bf_isxretried(bf))
-+                      TX_STAT_INC(qnum, xretries);
-+              else
-+                      TX_STAT_INC(qnum, completed);
-       }
-       if (ts->ts_status & ATH9K_TXERR_FIFO)
---- a/drivers/net/wireless/ath/ath9k/hw-ops.h
-+++ b/drivers/net/wireless/ath/ath9k/hw-ops.h
-@@ -39,11 +39,6 @@ static inline void ath9k_hw_set_desc_lin
-       ath9k_hw_ops(ah)->set_desc_link(ds, link);
- }
--static inline void ath9k_hw_get_desc_link(struct ath_hw *ah, void *ds,
--                                        u32 **link)
--{
--      ath9k_hw_ops(ah)->get_desc_link(ds, link);
--}
- static inline bool ath9k_hw_calibrate(struct ath_hw *ah,
-                                     struct ath9k_channel *chan,
-                                     u8 rxchainmask,
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -53,7 +53,7 @@ static void ath_tx_complete_buf(struct a
-                               struct ath_txq *txq, struct list_head *bf_q,
-                               struct ath_tx_status *ts, int txok, int sendbar);
- static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
--                           struct list_head *head);
-+                           struct list_head *head, bool internal);
- static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, int len);
- static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf,
-                            struct ath_tx_status *ts, int nframes, int nbad,
-@@ -377,8 +377,7 @@ static void ath_tx_complete_aggr(struct 
-                       bf_next = bf->bf_next;
-                       bf->bf_state.bf_type |= BUF_XRETRY;
--                      if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ||
--                          !bf->bf_stale || bf_next != NULL)
-+                      if (!bf->bf_stale || bf_next != NULL)
-                               list_move_tail(&bf->list, &bf_head);
-                       ath_tx_rc_status(sc, bf, ts, 1, 1, 0, false);
-@@ -463,20 +462,14 @@ static void ath_tx_complete_aggr(struct 
-                       }
-               }
--              if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) &&
--                  bf_next == NULL) {
--                      /*
--                       * Make sure the last desc is reclaimed if it
--                       * not a holding desc.
--                       */
--                      if (!bf_last->bf_stale)
--                              list_move_tail(&bf->list, &bf_head);
--                      else
--                              INIT_LIST_HEAD(&bf_head);
--              } else {
--                      BUG_ON(list_empty(bf_q));
-+              /*
-+               * Make sure the last desc is reclaimed if it
-+               * not a holding desc.
-+               */
-+              if (!bf_last->bf_stale || bf_next != NULL)
-                       list_move_tail(&bf->list, &bf_head);
--              }
-+              else
-+                      INIT_LIST_HEAD(&bf_head);
-               if (!txpending || (tid->state & AGGR_CLEANUP)) {
-                       /*
-@@ -837,7 +830,7 @@ static void ath_tx_sched_aggr(struct ath
-                       bf->bf_state.bf_type &= ~BUF_AGGR;
-                       ath9k_hw_clr11n_aggr(sc->sc_ah, bf->bf_desc);
-                       ath_buf_set_rate(sc, bf, fi->framelen);
--                      ath_tx_txqaddbuf(sc, txq, &bf_q);
-+                      ath_tx_txqaddbuf(sc, txq, &bf_q, false);
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -325,6 +325,8 @@ ath5k_setup_channels(struct ath5k_hw *ah
+               if (!ath5k_is_standard_channel(ch, band))
                        continue;
-               }
-@@ -849,7 +842,7 @@ static void ath_tx_sched_aggr(struct ath
-               /* anchor last desc of aggregate */
-               ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
--              ath_tx_txqaddbuf(sc, txq, &bf_q);
-+              ath_tx_txqaddbuf(sc, txq, &bf_q, false);
-               TX_STAT_INC(txq->axq_qnum, a_aggr);
-       } while (txq->axq_ampdu_depth < ATH_AGGR_MIN_QDEPTH &&
-@@ -1085,7 +1078,6 @@ struct ath_txq *ath_txq_setup(struct ath
-               txq->txq_headidx = txq->txq_tailidx = 0;
-               for (i = 0; i < ATH_TXFIFO_DEPTH; i++)
-                       INIT_LIST_HEAD(&txq->txq_fifo[i]);
--              INIT_LIST_HEAD(&txq->txq_fifo_pending);
-       }
-       return &sc->tx.txq[axq_qnum];
- }
-@@ -1155,13 +1147,8 @@ static bool bf_is_ampdu_not_probing(stru
-     return bf_isampdu(bf) && !(info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE);
- }
--/*
-- * Drain a given TX queue (could be Beacon or Data)
-- *
-- * This assumes output has been stopped and
-- * we do not need to block ath_tx_tasklet.
-- */
--void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
-+static void ath_drain_txq_list(struct ath_softc *sc, struct ath_txq *txq,
-+                             struct list_head *list, bool retry_tx)
- {
-       struct ath_buf *bf, *lastbf;
-       struct list_head bf_head;
-@@ -1170,93 +1157,63 @@ void ath_draintxq(struct ath_softc *sc, 
-       memset(&ts, 0, sizeof(ts));
-       INIT_LIST_HEAD(&bf_head);
--      for (;;) {
--              spin_lock_bh(&txq->axq_lock);
-+      while (!list_empty(list)) {
-+              bf = list_first_entry(list, struct ath_buf, list);
--              if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
--                      if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
--                              txq->txq_headidx = txq->txq_tailidx = 0;
--                              spin_unlock_bh(&txq->axq_lock);
--                              break;
--                      } else {
--                              bf = list_first_entry(&txq->txq_fifo[txq->txq_tailidx],
--                                                    struct ath_buf, list);
--                      }
--              } else {
--                      if (list_empty(&txq->axq_q)) {
--                              txq->axq_link = NULL;
--                              spin_unlock_bh(&txq->axq_lock);
--                              break;
--                      }
--                      bf = list_first_entry(&txq->axq_q, struct ath_buf,
--                                            list);
--
--                      if (bf->bf_stale) {
--                              list_del(&bf->list);
--                              spin_unlock_bh(&txq->axq_lock);
-+              if (bf->bf_stale) {
-+                      list_del(&bf->list);
--                              ath_tx_return_buffer(sc, bf);
--                              continue;
--                      }
-+                      ath_tx_return_buffer(sc, bf);
-+                      continue;
-               }
-               lastbf = bf->bf_lastbf;
--
--              if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
--                      list_cut_position(&bf_head,
--                                        &txq->txq_fifo[txq->txq_tailidx],
--                                        &lastbf->list);
--                      INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
--              } else {
--                      /* remove ath_buf's of the same mpdu from txq */
--                      list_cut_position(&bf_head, &txq->axq_q, &lastbf->list);
--              }
-+              list_cut_position(&bf_head, list, &lastbf->list);
-               txq->axq_depth--;
-               if (bf_is_ampdu_not_probing(bf))
-                       txq->axq_ampdu_depth--;
--              spin_unlock_bh(&txq->axq_lock);
-+              spin_unlock_bh(&txq->axq_lock);
-               if (bf_isampdu(bf))
-                       ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, 0,
-                                            retry_tx);
-               else
-                       ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
-+              spin_lock_bh(&txq->axq_lock);
-       }
-+}
-+/*
-+ * Drain a given TX queue (could be Beacon or Data)
-+ *
-+ * This assumes output has been stopped and
-+ * we do not need to block ath_tx_tasklet.
-+ */
-+void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
-+{
-       spin_lock_bh(&txq->axq_lock);
--      txq->axq_tx_inprogress = false;
--      spin_unlock_bh(&txq->axq_lock);
--
-       if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
--              spin_lock_bh(&txq->axq_lock);
--              while (!list_empty(&txq->txq_fifo_pending)) {
--                      bf = list_first_entry(&txq->txq_fifo_pending,
--                                            struct ath_buf, list);
--                      list_cut_position(&bf_head,
--                                        &txq->txq_fifo_pending,
--                                        &bf->bf_lastbf->list);
--                      spin_unlock_bh(&txq->axq_lock);
-+              int idx = txq->txq_tailidx;
--                      if (bf_isampdu(bf))
--                              ath_tx_complete_aggr(sc, txq, bf, &bf_head,
--                                                   &ts, 0, retry_tx);
--                      else
--                              ath_tx_complete_buf(sc, bf, txq, &bf_head,
--                                                  &ts, 0, 0);
--                      spin_lock_bh(&txq->axq_lock);
-+              while (!list_empty(&txq->txq_fifo[idx])) {
-+                      ath_drain_txq_list(sc, txq, &txq->txq_fifo[idx],
-+                                         retry_tx);
-+
-+                      INCR(idx, ATH_TXFIFO_DEPTH);
-               }
--              spin_unlock_bh(&txq->axq_lock);
-+              txq->txq_tailidx = idx;
-       }
-+      txq->axq_link = NULL;
-+      txq->axq_tx_inprogress = false;
-+      ath_drain_txq_list(sc, txq, &txq->axq_q, retry_tx);
-+
-       /* flush any pending frames if aggregation is enabled */
--      if (sc->sc_flags & SC_OP_TXAGGR) {
--              if (!retry_tx) {
--                      spin_lock_bh(&txq->axq_lock);
--                      ath_txq_drain_pending_buffers(sc, txq);
--                      spin_unlock_bh(&txq->axq_lock);
--              }
--      }
-+      if ((sc->sc_flags & SC_OP_TXAGGR) && !retry_tx)
-+              ath_txq_drain_pending_buffers(sc, txq);
-+
-+      spin_unlock_bh(&txq->axq_lock);
- }
- bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
-@@ -1370,11 +1327,13 @@ void ath_txq_schedule(struct ath_softc *
-  * assume the descriptors are already chained together by caller.
-  */
- static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
--                           struct list_head *head)
-+                           struct list_head *head, bool internal)
- {
-       struct ath_hw *ah = sc->sc_ah;
-       struct ath_common *common = ath9k_hw_common(ah);
--      struct ath_buf *bf;
-+      struct ath_buf *bf, *bf_last;
-+      bool puttxbuf = false;
-+      bool edma;
-       /*
-        * Insert the frame on the outbound list and
-@@ -1384,51 +1343,49 @@ static void ath_tx_txqaddbuf(struct ath_
-       if (list_empty(head))
-               return;
-+      edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
-       bf = list_first_entry(head, struct ath_buf, list);
-+      bf_last = list_entry(head->prev, struct ath_buf, list);
  
-       ath_dbg(common, ATH_DBG_QUEUE,
-               "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
--      if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
--              if (txq->axq_depth >= ATH_TXFIFO_DEPTH) {
--                      list_splice_tail_init(head, &txq->txq_fifo_pending);
--                      return;
--              }
--              if (!list_empty(&txq->txq_fifo[txq->txq_headidx]))
--                      ath_dbg(common, ATH_DBG_XMIT,
--                              "Initializing tx fifo %d which is non-empty\n",
--                              txq->txq_headidx);
--              INIT_LIST_HEAD(&txq->txq_fifo[txq->txq_headidx]);
--              list_splice_init(head, &txq->txq_fifo[txq->txq_headidx]);
-+      if (edma && list_empty(&txq->txq_fifo[txq->txq_headidx])) {
-+              list_splice_tail_init(head, &txq->txq_fifo[txq->txq_headidx]);
-               INCR(txq->txq_headidx, ATH_TXFIFO_DEPTH);
--              TX_STAT_INC(txq->axq_qnum, puttxbuf);
--              ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
--              ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
--                      txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
-+              puttxbuf = true;
-       } else {
-               list_splice_tail_init(head, &txq->axq_q);
--              if (txq->axq_link == NULL) {
--                      TX_STAT_INC(txq->axq_qnum, puttxbuf);
--                      ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
--                      ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
--                              txq->axq_qnum, ito64(bf->bf_daddr),
--                              bf->bf_desc);
--              } else {
--                      *txq->axq_link = bf->bf_daddr;
-+              if (txq->axq_link) {
-+                      ath9k_hw_set_desc_link(ah, txq->axq_link, bf->bf_daddr);
-                       ath_dbg(common, ATH_DBG_XMIT,
-                               "link[%u] (%p)=%llx (%p)\n",
-                               txq->axq_qnum, txq->axq_link,
-                               ito64(bf->bf_daddr), bf->bf_desc);
--              }
--              ath9k_hw_get_desc_link(ah, bf->bf_lastbf->bf_desc,
--                                     &txq->axq_link);
-+              } else if (!edma)
-+                      puttxbuf = true;
-+
-+              txq->axq_link = bf_last->bf_desc;
-+      }
++              channels[count].max_power = AR5K_TUNE_MAX_TXPOWER/2;
 +
-+      if (puttxbuf) {
-+              TX_STAT_INC(txq->axq_qnum, puttxbuf);
-+              ath9k_hw_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
-+              ath_dbg(common, ATH_DBG_XMIT, "TXDP[%u] = %llx (%p)\n",
-+                      txq->axq_qnum, ito64(bf->bf_daddr), bf->bf_desc);
-+      }
-+
-+      if (!edma) {
-               TX_STAT_INC(txq->axq_qnum, txstart);
-               ath9k_hw_txstart(ah, txq->axq_qnum);
+               count++;
        }
--      txq->axq_depth++;
--      if (bf_is_ampdu_not_probing(bf))
--              txq->axq_ampdu_depth++;
-+
-+      if (!internal) {
-+              txq->axq_depth++;
-+              if (bf_is_ampdu_not_probing(bf))
-+                      txq->axq_ampdu_depth++;
-+      }
- }
- static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid,
-@@ -1470,7 +1427,7 @@ static void ath_tx_send_ampdu(struct ath
-       TX_STAT_INC(txctl->txq->axq_qnum, a_queued_hw);
-       bf->bf_lastbf = bf;
-       ath_buf_set_rate(sc, bf, fi->framelen);
--      ath_tx_txqaddbuf(sc, txctl->txq, &bf_head);
-+      ath_tx_txqaddbuf(sc, txctl->txq, &bf_head, false);
- }
- static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq,
-@@ -1490,7 +1447,7 @@ static void ath_tx_send_normal(struct at
-       bf->bf_lastbf = bf;
-       fi = get_frame_info(bf->bf_mpdu);
-       ath_buf_set_rate(sc, bf, fi->framelen);
--      ath_tx_txqaddbuf(sc, txq, bf_head);
-+      ath_tx_txqaddbuf(sc, txq, bf_head, false);
-       TX_STAT_INC(txq->axq_qnum, queued);
- }
  
-@@ -2077,6 +2034,38 @@ static void ath_tx_rc_status(struct ath_
-       tx_info->status.rates[tx_rateindex].count = ts->ts_longretry + 1;
- }
-+static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq,
-+                                struct ath_tx_status *ts, struct ath_buf *bf,
-+                                struct list_head *bf_head)
-+{
-+      int txok;
-+
-+      txq->axq_depth--;
-+      txok = !(ts->ts_status & ATH9K_TXERR_MASK);
-+      txq->axq_tx_inprogress = false;
-+      if (bf_is_ampdu_not_probing(bf))
-+              txq->axq_ampdu_depth--;
-+
-+      spin_unlock_bh(&txq->axq_lock);
-+
-+      if (!bf_isampdu(bf)) {
-+              /*
-+               * This frame is sent out as a single frame.
-+               * Use hardware retry status for this frame.
-+               */
-+              if (ts->ts_status & ATH9K_TXERR_XRETRY)
-+                      bf->bf_state.bf_type |= BUF_XRETRY;
-+              ath_tx_rc_status(sc, bf, ts, 1, txok ? 0 : 1, txok, true);
-+              ath_tx_complete_buf(sc, bf, txq, bf_head, ts, txok, 0);
-+      } else
-+              ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok, true);
-+
-+      spin_lock_bh(&txq->axq_lock);
-+
-+      if (sc->sc_flags & SC_OP_TXAGGR)
-+              ath_txq_schedule(sc, txq);
-+}
-+
- static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
- {
-       struct ath_hw *ah = sc->sc_ah;
-@@ -2085,20 +2074,18 @@ static void ath_tx_processq(struct ath_s
-       struct list_head bf_head;
-       struct ath_desc *ds;
-       struct ath_tx_status ts;
--      int txok;
-       int status;
-       ath_dbg(common, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
-               txq->axq_qnum, ath9k_hw_gettxbuf(sc->sc_ah, txq->axq_qnum),
-               txq->axq_link);
-+      spin_lock_bh(&txq->axq_lock);
-       for (;;) {
--              spin_lock_bh(&txq->axq_lock);
-               if (list_empty(&txq->axq_q)) {
-                       txq->axq_link = NULL;
-                       if (sc->sc_flags & SC_OP_TXAGGR)
-                               ath_txq_schedule(sc, txq);
--                      spin_unlock_bh(&txq->axq_lock);
-                       break;
-               }
-               bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
-@@ -2114,13 +2101,11 @@ static void ath_tx_processq(struct ath_s
-               bf_held = NULL;
-               if (bf->bf_stale) {
-                       bf_held = bf;
--                      if (list_is_last(&bf_held->list, &txq->axq_q)) {
--                              spin_unlock_bh(&txq->axq_lock);
-+                      if (list_is_last(&bf_held->list, &txq->axq_q))
-                               break;
--                      } else {
--                              bf = list_entry(bf_held->list.next,
--                                              struct ath_buf, list);
--                      }
-+
-+                      bf = list_entry(bf_held->list.next, struct ath_buf,
-+                                      list);
-               }
-               lastbf = bf->bf_lastbf;
-@@ -2128,10 +2113,9 @@ static void ath_tx_processq(struct ath_s
-               memset(&ts, 0, sizeof(ts));
-               status = ath9k_hw_txprocdesc(ah, ds, &ts);
--              if (status == -EINPROGRESS) {
--                      spin_unlock_bh(&txq->axq_lock);
-+              if (status == -EINPROGRESS)
-                       break;
--              }
-+
-               TX_STAT_INC(txq->axq_qnum, txprocdesc);
-               /*
-@@ -2145,42 +2129,14 @@ static void ath_tx_processq(struct ath_s
-                       list_cut_position(&bf_head,
-                               &txq->axq_q, lastbf->list.prev);
--              txq->axq_depth--;
--              txok = !(ts.ts_status & ATH9K_TXERR_MASK);
--              txq->axq_tx_inprogress = false;
--              if (bf_held)
-+              if (bf_held) {
-                       list_del(&bf_held->list);
--
--              if (bf_is_ampdu_not_probing(bf))
--                      txq->axq_ampdu_depth--;
--
--              spin_unlock_bh(&txq->axq_lock);
--
--              if (bf_held)
-                       ath_tx_return_buffer(sc, bf_held);
--
--              if (!bf_isampdu(bf)) {
--                      /*
--                       * This frame is sent out as a single frame.
--                       * Use hardware retry status for this frame.
--                       */
--                      if (ts.ts_status & ATH9K_TXERR_XRETRY)
--                              bf->bf_state.bf_type |= BUF_XRETRY;
--                      ath_tx_rc_status(sc, bf, &ts, 1, txok ? 0 : 1, txok, true);
-               }
--              if (bf_isampdu(bf))
--                      ath_tx_complete_aggr(sc, txq, bf, &bf_head, &ts, txok,
--                                           true);
--              else
--                      ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, txok, 0);
--
--              spin_lock_bh(&txq->axq_lock);
--
--              if (sc->sc_flags & SC_OP_TXAGGR)
--                      ath_txq_schedule(sc, txq);
--              spin_unlock_bh(&txq->axq_lock);
-+              ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
-       }
-+      spin_unlock_bh(&txq->axq_lock);
- }
- static void ath_tx_complete_poll_work(struct work_struct *work)
-@@ -2237,17 +2193,16 @@ void ath_tx_tasklet(struct ath_softc *sc
- void ath_tx_edma_tasklet(struct ath_softc *sc)
- {
--      struct ath_tx_status txs;
-+      struct ath_tx_status ts;
-       struct ath_common *common = ath9k_hw_common(sc->sc_ah);
-       struct ath_hw *ah = sc->sc_ah;
-       struct ath_txq *txq;
-       struct ath_buf *bf, *lastbf;
-       struct list_head bf_head;
-       int status;
--      int txok;
-       for (;;) {
--              status = ath9k_hw_txprocdesc(ah, NULL, (void *)&txs);
-+              status = ath9k_hw_txprocdesc(ah, NULL, (void *)&ts);
-               if (status == -EINPROGRESS)
-                       break;
-               if (status == -EIO) {
-@@ -2257,12 +2212,13 @@ void ath_tx_edma_tasklet(struct ath_soft
-               }
-               /* Skip beacon completions */
--              if (txs.qid == sc->beacon.beaconq)
-+              if (ts.qid == sc->beacon.beaconq)
-                       continue;
--              txq = &sc->tx.txq[txs.qid];
-+              txq = &sc->tx.txq[ts.qid];
-               spin_lock_bh(&txq->axq_lock);
-+
-               if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
-                       spin_unlock_bh(&txq->axq_lock);
-                       return;
-@@ -2275,41 +2231,21 @@ void ath_tx_edma_tasklet(struct ath_soft
-               INIT_LIST_HEAD(&bf_head);
-               list_cut_position(&bf_head, &txq->txq_fifo[txq->txq_tailidx],
-                                 &lastbf->list);
--              INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
--              txq->axq_depth--;
--              txq->axq_tx_inprogress = false;
--              if (bf_is_ampdu_not_probing(bf))
--                      txq->axq_ampdu_depth--;
--              spin_unlock_bh(&txq->axq_lock);
--              txok = !(txs.ts_status & ATH9K_TXERR_MASK);
--
--              if (!bf_isampdu(bf)) {
--                      if (txs.ts_status & ATH9K_TXERR_XRETRY)
--                              bf->bf_state.bf_type |= BUF_XRETRY;
--                      ath_tx_rc_status(sc, bf, &txs, 1, txok ? 0 : 1, txok, true);
--              }
--
--              if (bf_isampdu(bf))
--                      ath_tx_complete_aggr(sc, txq, bf, &bf_head, &txs,
--                                           txok, true);
--              else
--                      ath_tx_complete_buf(sc, bf, txq, &bf_head,
--                                          &txs, txok, 0);
-+              if (list_empty(&txq->txq_fifo[txq->txq_tailidx])) {
-+                      INCR(txq->txq_tailidx, ATH_TXFIFO_DEPTH);
--              spin_lock_bh(&txq->axq_lock);
-+                      if (!list_empty(&txq->axq_q)) {
-+                              struct list_head bf_q;
--              if (!list_empty(&txq->txq_fifo_pending)) {
--                      INIT_LIST_HEAD(&bf_head);
--                      bf = list_first_entry(&txq->txq_fifo_pending,
--                                            struct ath_buf, list);
--                      list_cut_position(&bf_head,
--                                        &txq->txq_fifo_pending,
--                                        &bf->bf_lastbf->list);
--                      ath_tx_txqaddbuf(sc, txq, &bf_head);
--              } else if (sc->sc_flags & SC_OP_TXAGGR)
--                      ath_txq_schedule(sc, txq);
-+                              INIT_LIST_HEAD(&bf_q);
-+                              txq->axq_link = NULL;
-+                              list_splice_tail_init(&txq->axq_q, &bf_q);
-+                              ath_tx_txqaddbuf(sc, txq, &bf_q, true);
-+                      }
-+              }
-+              ath_tx_process_buffer(sc, txq, &ts, bf, &bf_head);
-               spin_unlock_bh(&txq->axq_lock);
-       }
- }
 --- a/net/mac80211/agg-rx.c
 +++ b/net/mac80211/agg-rx.c
-@@ -161,6 +161,8 @@ static void ieee80211_send_addba_resp(st
-               memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
-       else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+@@ -203,6 +203,8 @@ static void ieee80211_send_addba_resp(st
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+       else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+               memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
 +      else if (sdata->vif.type == NL80211_IFTYPE_WDS)
 +              memcpy(mgmt->bssid, da, ETH_ALEN);
  
                                          IEEE80211_STYPE_ACTION);
 --- a/net/mac80211/agg-tx.c
 +++ b/net/mac80211/agg-tx.c
-@@ -79,7 +79,8 @@ static void ieee80211_send_addba_request
-       memcpy(mgmt->da, da, ETH_ALEN);
+@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
        memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
        if (sdata->vif.type == NL80211_IFTYPE_AP ||
--          sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
-+          sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+           sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+-          sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
++          sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
 +          sdata->vif.type == NL80211_IFTYPE_WDS)
                memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
        else if (sdata->vif.type == NL80211_IFTYPE_STATION)
                memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
-@@ -388,7 +389,8 @@ int ieee80211_start_tx_ba_session(struct
-        */
-       if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+@@ -460,6 +461,7 @@ int ieee80211_start_tx_ba_session(struct
+           sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
            sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
--          sdata->vif.type != NL80211_IFTYPE_AP)
-+          sdata->vif.type != NL80211_IFTYPE_AP &&
-+          sdata->vif.type != NL80211_IFTYPE_WDS)
+           sdata->vif.type != NL80211_IFTYPE_AP &&
++          sdata->vif.type != NL80211_IFTYPE_WDS &&
+           sdata->vif.type != NL80211_IFTYPE_ADHOC)
                return -EINVAL;
  
-       if (test_sta_flags(sta, WLAN_STA_BLOCK_BA)) {
+@@ -869,7 +871,7 @@ void ieee80211_process_addba_resp(struct
+       } else {
+               ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR,
+-                                              true);
++                                              false);
+       }
+  out:
 --- a/net/mac80211/debugfs_sta.c
 +++ b/net/mac80211/debugfs_sta.c
-@@ -59,7 +59,7 @@ static ssize_t sta_flags_read(struct fil
-       char buf[100];
-       struct sta_info *sta = file->private_data;
-       u32 staflags = get_sta_flags(sta);
--      int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s%s",
-+      int res = scnprintf(buf, sizeof(buf), "%s%s%s%s%s%s%s%s",
-               staflags & WLAN_STA_AUTH ? "AUTH\n" : "",
-               staflags & WLAN_STA_ASSOC ? "ASSOC\n" : "",
-               staflags & WLAN_STA_PS_STA ? "PS (sta)\n" : "",
-@@ -67,7 +67,6 @@ static ssize_t sta_flags_read(struct fil
-               staflags & WLAN_STA_AUTHORIZED ? "AUTHORIZED\n" : "",
-               staflags & WLAN_STA_SHORT_PREAMBLE ? "SHORT PREAMBLE\n" : "",
-               staflags & WLAN_STA_WME ? "WME\n" : "",
--              staflags & WLAN_STA_WDS ? "WDS\n" : "",
-               staflags & WLAN_STA_MFP ? "MFP\n" : "");
-       return simple_read_from_buffer(userbuf, count, ppos, buf, res);
- }
+@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+       test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
+       int res = scnprintf(buf, sizeof(buf),
+-                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++                          "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+                           TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+                           TEST(PS_DRIVER), TEST(AUTHORIZED),
+                           TEST(SHORT_PREAMBLE),
+-                          TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
++                          TEST(WME), TEST(CLEAR_PS_FILT),
+                           TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
+                           TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
+                           TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
 --- a/net/mac80211/iface.c
 +++ b/net/mac80211/iface.c
-@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
- {
-       struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+@@ -420,7 +420,6 @@ int ieee80211_do_open(struct wireless_de
+       struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
+       struct net_device *dev = wdev->netdev;
        struct ieee80211_local *local = sdata->local;
 -      struct sta_info *sta;
        u32 changed = 0;
        int res;
        u32 hw_reconf_flags = 0;
-@@ -290,27 +289,6 @@ static int ieee80211_do_open(struct net_
+@@ -575,30 +574,8 @@ int ieee80211_do_open(struct wireless_de
  
        set_bit(SDATA_STATE_RUNNING, &sdata->state);
  
 -                      goto err_del_interface;
 -              }
 -
--              /* no locking required since STA is not live yet */
--              sta->flags |= WLAN_STA_AUTHORIZED;
+-              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+-              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+-              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 -
 -              res = sta_info_insert(sta);
 -              if (res) {
 -              }
 -
 -              rate_control_rate_init(sta);
+-              netif_carrier_on(dev);
+-      } else if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE) {
++      if (sdata->vif.type == NL80211_IFTYPE_P2P_DEVICE)
+               rcu_assign_pointer(local->p2p_sdata, sdata);
 -      }
--
        /*
         * set_multicast_list will be invoked by the networking core
-        * which will check whether any increments here were done in
-@@ -344,8 +322,7 @@ static int ieee80211_do_open(struct net_
-       netif_tx_start_all_queues(dev);
-       return 0;
-- err_del_interface:
--      drv_remove_interface(local, &sdata->vif);
-+
-  err_stop:
-       if (!local->open_count)
-               drv_stop(local);
-@@ -718,6 +695,70 @@ static void ieee80211_if_setup(struct ne
+@@ -997,6 +974,72 @@ static void ieee80211_if_setup(struct ne
        dev->destructor = free_netdev;
  }
  
 +      ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
 +                             skb->len - baselen, &elems);
 +
-+      rates = ieee80211_sta_get_rates(local, &elems, band);
++      rates = ieee80211_sta_get_rates(local, &elems, band, NULL);
 +
 +      rcu_read_lock();
 +
 +      sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
 +
 +      if (elems.ht_cap_elem)
-+              ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
++              ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
 +                              elems.ht_cap_elem, &sta->sta.ht_cap);
 +
 +      if (elems.wmm_param)
-+              set_sta_flags(sta, WLAN_STA_WME);
++              set_sta_flag(sta, WLAN_STA_WME);
 +
 +      if (new) {
-+              sta->flags = WLAN_STA_AUTHORIZED;
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
++              sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
++              sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
 +              rate_control_rate_init(sta);
 +              sta_info_insert_rcu(sta);
 +      }
  static void ieee80211_iface_work(struct work_struct *work)
  {
        struct ieee80211_sub_if_data *sdata =
-@@ -822,6 +863,9 @@ static void ieee80211_iface_work(struct 
+@@ -1101,6 +1144,9 @@ static void ieee80211_iface_work(struct 
                                break;
                        ieee80211_mesh_rx_queued_mgmt(sdata, skb);
                        break;
                        break;
 --- a/net/mac80211/rx.c
 +++ b/net/mac80211/rx.c
-@@ -2137,7 +2137,8 @@ ieee80211_rx_h_action(struct ieee80211_r
-                */
-               if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+@@ -2279,6 +2279,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+                   sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
                    sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
--                  sdata->vif.type != NL80211_IFTYPE_AP)
-+                  sdata->vif.type != NL80211_IFTYPE_AP &&
-+                  sdata->vif.type != NL80211_IFTYPE_WDS)
+                   sdata->vif.type != NL80211_IFTYPE_AP &&
++                  sdata->vif.type != NL80211_IFTYPE_WDS &&
+                   sdata->vif.type != NL80211_IFTYPE_ADHOC)
                        break;
  
-               /* verify action_code is present */
-@@ -2335,13 +2336,14 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+@@ -2496,14 +2497,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
  
        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
                return RX_DROP_MONITOR;
  
        switch (stype) {
+       case cpu_to_le16(IEEE80211_STYPE_AUTH):
        case cpu_to_le16(IEEE80211_STYPE_BEACON):
        case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
 -              /* process for all: mesh, mlme, ibss */
 +              /* process for all: mesh, mlme, ibss, wds */
                break;
-       case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
-       case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
-@@ -2680,10 +2682,16 @@ static int prepare_for_handlers(struct i
+       case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+       case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+@@ -2827,10 +2829,16 @@ static int prepare_for_handlers(struct i
                }
                break;
        case NL80211_IFTYPE_WDS:
 -              if (bssid || !ieee80211_is_data(hdr->frame_control))
 -                      return 0;
-               if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+               if (!ether_addr_equal(sdata->u.wds.remote_addr, hdr->addr2))
                        return 0;
 +
 +              if (ieee80211_is_data(hdr->frame_control) ||
 +                      return 0;
 +
                break;
-       default:
-               /* should never get here */
+       case NL80211_IFTYPE_P2P_DEVICE:
+               if (!ieee80211_is_public_action(hdr, skb->len) &&
 --- a/net/mac80211/sta_info.h
 +++ b/net/mac80211/sta_info.h
-@@ -31,7 +31,6 @@
+@@ -32,7 +32,6 @@
+  * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
   *    frames.
-  * @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
   * @WLAN_STA_WME: Station is a QoS-STA.
 - * @WLAN_STA_WDS: Station is one of our WDS peers.
   * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
   *    IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
   *    frame to this station is transmitted.
-@@ -54,7 +53,6 @@ enum ieee80211_sta_info_flags {
-       WLAN_STA_SHORT_PREAMBLE = 1<<4,
-       WLAN_STA_ASSOC_AP       = 1<<5,
-       WLAN_STA_WME            = 1<<6,
--      WLAN_STA_WDS            = 1<<7,
-       WLAN_STA_CLEAR_PS_FILT  = 1<<9,
-       WLAN_STA_MFP            = 1<<10,
-       WLAN_STA_BLOCK_BA       = 1<<11,
---- a/drivers/net/wireless/ath/ath9k/debug.h
-+++ b/drivers/net/wireless/ath/ath9k/debug.h
-@@ -116,6 +116,7 @@ struct ath_tx_stats {
-       u32 tx_bytes_all;
-       u32 queued;
-       u32 completed;
-+      u32 xretries;
-       u32 a_aggr;
-       u32 a_queued_hw;
-       u32 a_queued_sw;
---- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
-@@ -4645,10 +4645,16 @@ static void ar9003_hw_set_power_per_rate
-       case 1:
-               break;
-       case 2:
--              scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+              if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
-+                      scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+              else
-+                      scaledPower = 0;
-               break;
-       case 3:
--              scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+              if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
-+                      scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+              else
-+                      scaledPower = 0;
-               break;
+@@ -64,7 +63,6 @@ enum ieee80211_sta_info_flags {
+       WLAN_STA_AUTHORIZED,
+       WLAN_STA_SHORT_PREAMBLE,
+       WLAN_STA_WME,
+-      WLAN_STA_WDS,
+       WLAN_STA_CLEAR_PS_FILT,
+       WLAN_STA_MFP,
+       WLAN_STA_BLOCK_BA,
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -324,6 +324,75 @@ static void ieee80211_add_tx_radiotap_he
+ }
++static void ieee80211_report_used_skb(struct ieee80211_local *local,
++                                    struct sk_buff *skb, bool dropped)
++{
++      struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
++      struct ieee80211_hdr *hdr = (void *)skb->data;
++      bool acked = info->flags & IEEE80211_TX_STAT_ACK;
++
++      if (dropped)
++              acked = false;
++
++      if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
++              struct ieee80211_sub_if_data *sdata = NULL;
++              struct ieee80211_sub_if_data *iter_sdata;
++              u64 cookie = (unsigned long)skb;
++
++              rcu_read_lock();
++
++              if (skb->dev) {
++                      list_for_each_entry_rcu(iter_sdata, &local->interfaces,
++                                              list) {
++                              if (!iter_sdata->dev)
++                                      continue;
++
++                              if (skb->dev == iter_sdata->dev) {
++                                      sdata = iter_sdata;
++                                      break;
++                              }
++                      }
++              } else {
++                      sdata = rcu_dereference(local->p2p_sdata);
++              }
++
++              if (!sdata)
++                      skb->dev = NULL;
++              else if (ieee80211_is_nullfunc(hdr->frame_control) ||
++                       ieee80211_is_qos_nullfunc(hdr->frame_control)) {
++                      cfg80211_probe_status(sdata->dev, hdr->addr1,
++                                            cookie, acked, GFP_ATOMIC);
++              } else {
++                      cfg80211_mgmt_tx_status(&sdata->wdev, cookie, skb->data,
++                                              skb->len, acked, GFP_ATOMIC);
++              }
++
++              rcu_read_unlock();
++      }
++
++      if (unlikely(info->ack_frame_id)) {
++              struct sk_buff *ack_skb;
++              unsigned long flags;
++
++              spin_lock_irqsave(&local->ack_status_lock, flags);
++              ack_skb = idr_find(&local->ack_status_frames,
++                                 info->ack_frame_id);
++              if (ack_skb)
++                      idr_remove(&local->ack_status_frames,
++                                 info->ack_frame_id);
++              spin_unlock_irqrestore(&local->ack_status_lock, flags);
++
++              if (ack_skb) {
++                      if (!dropped) {
++                              /* consumes ack_skb */
++                              skb_complete_wifi_ack(ack_skb, acked);
++                      } else {
++                              dev_kfree_skb_any(ack_skb);
++                      }
++              }
++      }
++}
++
+ /*
+  * Use a static threshold for now, best value to be determined
+  * by testing ...
+@@ -515,50 +584,7 @@ void ieee80211_tx_status(struct ieee8021
+                                       msecs_to_jiffies(10));
        }
  
---- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
-@@ -524,10 +524,16 @@ static void ath9k_hw_set_ar9287_power_pe
-       case 1:
-               break;
-       case 2:
--              scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+              if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
-+                      scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
-+              else
-+                      scaledPower = 0;
-               break;
-       case 3:
--              scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+              if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
-+                      scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
-+              else
-+                      scaledPower = 0;
-               break;
+-      if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
+-              u64 cookie = (unsigned long)skb;
+-              acked = info->flags & IEEE80211_TX_STAT_ACK;
+-
+-              if (ieee80211_is_nullfunc(hdr->frame_control) ||
+-                  ieee80211_is_qos_nullfunc(hdr->frame_control)) {
+-                      cfg80211_probe_status(skb->dev, hdr->addr1,
+-                                            cookie, acked, GFP_ATOMIC);
+-              } else if (skb->dev) {
+-                      cfg80211_mgmt_tx_status(
+-                              skb->dev->ieee80211_ptr, cookie, skb->data,
+-                              skb->len, acked, GFP_ATOMIC);
+-              } else {
+-                      struct ieee80211_sub_if_data *p2p_sdata;
+-
+-                      rcu_read_lock();
+-
+-                      p2p_sdata = rcu_dereference(local->p2p_sdata);
+-                      if (p2p_sdata) {
+-                              cfg80211_mgmt_tx_status(
+-                                      &p2p_sdata->wdev, cookie, skb->data,
+-                                      skb->len, acked, GFP_ATOMIC);
+-                      }
+-                      rcu_read_unlock();
+-              }
+-      }
+-
+-      if (unlikely(info->ack_frame_id)) {
+-              struct sk_buff *ack_skb;
+-              unsigned long flags;
+-
+-              spin_lock_irqsave(&local->ack_status_lock, flags);
+-              ack_skb = idr_find(&local->ack_status_frames,
+-                                 info->ack_frame_id);
+-              if (ack_skb)
+-                      idr_remove(&local->ack_status_frames,
+-                                 info->ack_frame_id);
+-              spin_unlock_irqrestore(&local->ack_status_lock, flags);
+-
+-              /* consumes ack_skb */
+-              if (ack_skb)
+-                      skb_complete_wifi_ack(ack_skb,
+-                              info->flags & IEEE80211_TX_STAT_ACK);
+-      }
++      ieee80211_report_used_skb(local, skb, false);
+       /* this was a transmitted frame, but now we want to reuse it */
+       skb_orphan(skb);
+@@ -634,25 +660,8 @@ EXPORT_SYMBOL(ieee80211_report_low_ack);
+ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
+ {
+       struct ieee80211_local *local = hw_to_local(hw);
+-      struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+-
+-      if (unlikely(info->ack_frame_id)) {
+-              struct sk_buff *ack_skb;
+-              unsigned long flags;
+-
+-              spin_lock_irqsave(&local->ack_status_lock, flags);
+-              ack_skb = idr_find(&local->ack_status_frames,
+-                                 info->ack_frame_id);
+-              if (ack_skb)
+-                      idr_remove(&local->ack_status_frames,
+-                                 info->ack_frame_id);
+-              spin_unlock_irqrestore(&local->ack_status_lock, flags);
+-
+-              /* consumes ack_skb */
+-              if (ack_skb)
+-                      dev_kfree_skb_any(ack_skb);
+-      }
++      ieee80211_report_used_skb(local, skb, true);
+       dev_kfree_skb_any(skb);
+ }
+ EXPORT_SYMBOL(ieee80211_free_txskb);
+--- a/drivers/net/wireless/p54/main.c
++++ b/drivers/net/wireless/p54/main.c
+@@ -139,6 +139,7 @@ static int p54_beacon_format_ie_tim(stru
+ static int p54_beacon_update(struct p54_common *priv,
+                       struct ieee80211_vif *vif)
+ {
++      struct ieee80211_tx_control control = { };
+       struct sk_buff *beacon;
+       int ret;
+@@ -158,7 +159,7 @@ static int p54_beacon_update(struct p54_
+        * to cancel the old beacon template by hand, instead the firmware
+        * will release the previous one through the feedback mechanism.
+        */
+-      p54_tx_80211(priv->hw, NULL, beacon);
++      p54_tx_80211(priv->hw, &control, beacon);
+       priv->tsf_high32 = 0;
+       priv->tsf_low32 = 0;
+--- a/net/wireless/reg.c
++++ b/net/wireless/reg.c
+@@ -352,6 +352,9 @@ static void reg_regdb_search(struct work
+       struct reg_regdb_search_request *request;
+       const struct ieee80211_regdomain *curdom, *regdom;
+       int i, r;
++      bool set_reg = false;
++
++      mutex_lock(&cfg80211_mutex);
+       mutex_lock(&reg_regdb_search_mutex);
+       while (!list_empty(&reg_regdb_search_list)) {
+@@ -367,9 +370,7 @@ static void reg_regdb_search(struct work
+                               r = reg_copy_regd(&regdom, curdom);
+                               if (r)
+                                       break;
+-                              mutex_lock(&cfg80211_mutex);
+-                              set_regdom(regdom);
+-                              mutex_unlock(&cfg80211_mutex);
++                              set_reg = true;
+                               break;
+                       }
+               }
+@@ -377,6 +378,11 @@ static void reg_regdb_search(struct work
+               kfree(request);
+       }
+       mutex_unlock(&reg_regdb_search_mutex);
++
++      if (set_reg)
++              set_regdom(regdom);
++
++      mutex_unlock(&cfg80211_mutex);
+ }
+ static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -424,8 +424,8 @@ u32 ath_calcrxfilter(struct ath_softc *s
+               rfilt |= ATH9K_RX_FILTER_COMP_BAR;
+       if (sc->nvifs > 1 || (sc->rx.rxfilter & FIF_OTHER_BSS)) {
+-              /* The following may also be needed for other older chips */
+-              if (sc->sc_ah->hw_version.macVersion == AR_SREV_VERSION_9160)
++              /* This is needed for older chips */
++              if (sc->sc_ah->hw_version.macVersion <= AR_SREV_VERSION_9160)
+                       rfilt |= ATH9K_RX_FILTER_PROM;
+               rfilt |= ATH9K_RX_FILTER_MCAST_BCAST_ALL;
+       }
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -818,23 +818,71 @@ void ieee80211_sta_process_chanswitch(st
+ }
+ static void ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
+-                                      u16 capab_info, u8 *pwr_constr_elem,
+-                                      u8 pwr_constr_elem_len)
++                                      struct ieee80211_channel *channel,
++                                      const u8 *country_ie, u8 country_ie_len,
++                                      const u8 *pwr_constr_elem)
+ {
+-      struct ieee80211_conf *conf = &sdata->local->hw.conf;
++      struct ieee80211_country_ie_triplet *triplet;
++      int chan = ieee80211_frequency_to_channel(channel->center_freq);
++      int i, chan_pwr, chan_increment, new_ap_level;
++      bool have_chan_pwr = false;
+-      if (!(capab_info & WLAN_CAPABILITY_SPECTRUM_MGMT))
++      /* Invalid IE */
++      if (country_ie_len % 2 || country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN)
+               return;
+-      /* Power constraint IE length should be 1 octet */
+-      if (pwr_constr_elem_len != 1)
+-              return;
++      triplet = (void *)(country_ie + 3);
++      country_ie_len -= 3;
+-      if ((*pwr_constr_elem <= conf->channel->max_reg_power) &&
+-          (*pwr_constr_elem != sdata->local->power_constr_level)) {
+-              sdata->local->power_constr_level = *pwr_constr_elem;
+-              ieee80211_hw_config(sdata->local, 0);
++      switch (channel->band) {
++      default:
++              WARN_ON_ONCE(1);
++              /* fall through */
++      case IEEE80211_BAND_2GHZ:
++      case IEEE80211_BAND_60GHZ:
++              chan_increment = 1;
++              break;
++      case IEEE80211_BAND_5GHZ:
++              chan_increment = 4;
++              break;
+       }
++
++      /* find channel */
++      while (country_ie_len >= 3) {
++              u8 first_channel = triplet->chans.first_channel;
++
++              if (first_channel >= IEEE80211_COUNTRY_EXTENSION_ID)
++                      goto next;
++
++              for (i = 0; i < triplet->chans.num_channels; i++) {
++                      if (first_channel + i * chan_increment == chan) {
++                              have_chan_pwr = true;
++                              chan_pwr = triplet->chans.max_power;
++                              break;
++                      }
++              }
++              if (have_chan_pwr)
++                      break;
++
++ next:
++              triplet++;
++              country_ie_len -= 3;
++      }
++
++      if (!have_chan_pwr)
++              return;
++
++      new_ap_level = max_t(int, 0, chan_pwr - *pwr_constr_elem);
++
++      if (sdata->local->ap_power_level == new_ap_level)
++              return;
++
++      sdata_info(sdata,
++                 "Limiting TX power to %d (%d - %d) dBm as advertised by %pM\n",
++                 new_ap_level, chan_pwr, *pwr_constr_elem,
++                 sdata->u.mgd.bssid);
++      sdata->local->ap_power_level = new_ap_level;
++      ieee80211_hw_config(sdata->local, 0);
+ }
+ void ieee80211_enable_dyn_ps(struct ieee80211_vif *vif)
+@@ -1390,7 +1438,7 @@ static void ieee80211_set_disassoc(struc
+       sta = sta_info_get(sdata, ifmgd->bssid);
+       if (sta) {
+               set_sta_flag(sta, WLAN_STA_BLOCK_BA);
+-              ieee80211_sta_tear_down_BA_sessions(sta, tx);
++              ieee80211_sta_tear_down_BA_sessions(sta, false);
        }
-       scaledPower = max((u16)0, scaledPower);
+       mutex_unlock(&local->sta_mtx);
+@@ -1438,7 +1486,7 @@ static void ieee80211_set_disassoc(struc
+       memset(&ifmgd->ht_capa, 0, sizeof(ifmgd->ht_capa));
+       memset(&ifmgd->ht_capa_mask, 0, sizeof(ifmgd->ht_capa_mask));
+-      local->power_constr_level = 0;
++      local->ap_power_level = 0;
+       del_timer_sync(&local->dynamic_ps_timer);
+       cancel_work_sync(&local->dynamic_ps_enable_work);
+@@ -2530,15 +2578,13 @@ static void ieee80211_rx_mgmt_beacon(str
+                                                 bssid, true);
+       }
+-      /* Note: country IE parsing is done for us by cfg80211 */
+-      if (elems.country_elem) {
+-              /* TODO: IBSS also needs this */
+-              if (elems.pwr_constr_elem)
+-                      ieee80211_handle_pwr_constr(sdata,
+-                              le16_to_cpu(mgmt->u.probe_resp.capab_info),
+-                              elems.pwr_constr_elem,
+-                              elems.pwr_constr_elem_len);
+-      }
++      if (elems.country_elem && elems.pwr_constr_elem &&
++          mgmt->u.probe_resp.capab_info &
++                              cpu_to_le16(WLAN_CAPABILITY_SPECTRUM_MGMT))
++              ieee80211_handle_pwr_constr(sdata, local->oper_channel,
++                                          elems.country_elem,
++                                          elems.country_elem_len,
++                                          elems.pwr_constr_elem);
+       ieee80211_bss_info_change_notify(sdata, changed);
+ }
+@@ -3526,6 +3572,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+ {
+       struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+       u8 frame_buf[DEAUTH_DISASSOC_LEN];
++      bool tx = !req->local_state_change;
+       mutex_lock(&ifmgd->mtx);
+@@ -3542,12 +3589,12 @@ int ieee80211_mgd_deauth(struct ieee8021
+       if (ifmgd->associated &&
+           ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
+               ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
+-                                     req->reason_code, true, frame_buf);
++                                     req->reason_code, tx, frame_buf);
+       } else {
+               drv_mgd_prepare_tx(sdata->local, sdata);
+               ieee80211_send_deauth_disassoc(sdata, req->bssid,
+                                              IEEE80211_STYPE_DEAUTH,
+-                                             req->reason_code, true,
++                                             req->reason_code, tx,
+                                              frame_buf);
+       }
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -674,7 +674,7 @@ int __must_check __sta_info_destroy(stru
+        * will be sufficient.
+        */
+       set_sta_flag(sta, WLAN_STA_BLOCK_BA);
+-      ieee80211_sta_tear_down_BA_sessions(sta, true);
++      ieee80211_sta_tear_down_BA_sessions(sta, false);
+       ret = sta_info_hash_del(local, sta);
+       if (ret)
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -1977,11 +1977,13 @@ ath5k_hw_set_spur_mitigation_filter(stru
+                       spur_delta_phase = (spur_offset << 18) / 25;
+                       spur_freq_sigma_delta = (spur_delta_phase >> 10);
+                       symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 2;
++                      break;
+               case AR5K_BWMODE_5MHZ:
+                       /* Both sample_freq and chip_freq are 10MHz (?) */
+                       spur_delta_phase = (spur_offset << 19) / 25;
+                       spur_freq_sigma_delta = (spur_delta_phase >> 10);
+                       symbol_width = AR5K_SPUR_SYMBOL_WIDTH_BASE_100Hz / 4;
++                      break;
+               default:
+                       if (channel->band == IEEE80211_BAND_5GHZ) {
+                               /* Both sample_freq and chip_freq are 40MHz */
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -1062,7 +1062,7 @@ struct ieee80211_local {
+       bool disable_dynamic_ps;
+       int user_power_level; /* in dBm */
+-      int power_constr_level; /* in dBm */
++      int ap_power_level; /* in dBm */
+       enum ieee80211_smps_mode smps_mode;
+@@ -1170,7 +1170,6 @@ struct ieee802_11_elems {
+       u8 prep_len;
+       u8 perr_len;
+       u8 country_elem_len;
+-      u8 pwr_constr_elem_len;
+       u8 quiet_elem_len;
+       u8 num_of_quiet_elem;   /* can be more the one */
+       u8 timeout_int_len;
+--- a/net/mac80211/util.c
++++ b/net/mac80211/util.c
+@@ -792,8 +792,11 @@ u32 ieee802_11_parse_elems_crc(u8 *start
+                       elems->country_elem_len = elen;
+                       break;
+               case WLAN_EID_PWR_CONSTRAINT:
++                      if (elen != 1) {
++                              elem_parse_failed = true;
++                              break;
++                      }
+                       elems->pwr_constr_elem = pos;
+-                      elems->pwr_constr_elem_len = elen;
+                       break;
+               case WLAN_EID_TIMEOUT_INTERVAL:
+                       elems->timeout_int = pos;
+--- a/net/mac80211/main.c
++++ b/net/mac80211/main.c
+@@ -154,13 +154,11 @@ int ieee80211_hw_config(struct ieee80211
+       if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+           test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) ||
+-          test_bit(SCAN_HW_SCANNING, &local->scanning))
++          test_bit(SCAN_HW_SCANNING, &local->scanning) ||
++          !local->ap_power_level)
+               power = chan->max_power;
+       else
+-              power = local->power_constr_level ?
+-                      min(chan->max_power,
+-                              (chan->max_reg_power  - local->power_constr_level)) :
+-                      chan->max_power;
++              power = min(chan->max_power, local->ap_power_level);
+       if (local->user_power_level >= 0)
+               power = min(power, local->user_power_level);
+--- a/include/net/cfg80211.h
++++ b/include/net/cfg80211.h
+@@ -1218,6 +1218,7 @@ struct cfg80211_deauth_request {
+       const u8 *ie;
+       size_t ie_len;
+       u16 reason_code;
++      bool local_state_change;
+ };
+ /**
+--- a/net/wireless/mlme.c
++++ b/net/wireless/mlme.c
+@@ -457,20 +457,14 @@ int __cfg80211_mlme_deauth(struct cfg802
+               .reason_code = reason,
+               .ie = ie,
+               .ie_len = ie_len,
++              .local_state_change = local_state_change,
+       };
+       ASSERT_WDEV_LOCK(wdev);
+-      if (local_state_change) {
+-              if (wdev->current_bss &&
+-                  ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) {
+-                      cfg80211_unhold_bss(wdev->current_bss);
+-                      cfg80211_put_bss(&wdev->current_bss->pub);
+-                      wdev->current_bss = NULL;
+-              }
+-
++      if (local_state_change && (!wdev->current_bss ||
++          !ether_addr_equal(wdev->current_bss->pub.bssid, bssid)))
+               return 0;
+-      }
+       return rdev->ops->deauth(&rdev->wiphy, dev, &req);
+ }
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -386,7 +386,7 @@ static void ath_tx_complete_aggr(struct 
+       u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first;
+       u32 ba[WME_BA_BMP_SIZE >> 5];
+       int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
+-      bool rc_update = true;
++      bool rc_update = true, isba;
+       struct ieee80211_tx_rate rates[4];
+       struct ath_frame_info *fi;
+       int nframes;
+@@ -430,13 +430,17 @@ static void ath_tx_complete_aggr(struct 
+       tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
+       tid = ATH_AN_2_TID(an, tidno);
+       seq_first = tid->seq_start;
++      isba = ts->ts_flags & ATH9K_TX_BA;
+       /*
+        * The hardware occasionally sends a tx status for the wrong TID.
+        * In this case, the BA status cannot be considered valid and all
+        * subframes need to be retransmitted
++       *
++       * Only BlockAcks have a TID and therefore normal Acks cannot be
++       * checked
+        */
+-      if (tidno != ts->tid)
++      if (isba && tidno != ts->tid)
+               txok = false;
+       isaggr = bf_isaggr(bf);