WLAN_STA_BLOCK_BA,
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -146,6 +146,28 @@ static void ath_set_rates(struct ieee802
+@@ -135,6 +135,9 @@ static struct ath_frame_info *get_frame_
+
+ static void ath_send_bar(struct ath_atx_tid *tid, u16 seqno)
+ {
++ if (!tid->an->sta)
++ return;
++
+ ieee80211_send_bar(tid->an->vif, tid->an->sta->addr, tid->tidno,
+ seqno << IEEE80211_SEQ_SEQ_SHIFT);
+ }
+@@ -146,6 +149,93 @@ static void ath_set_rates(struct ieee802
ARRAY_SIZE(bf->rates));
}
+ }
+}
+
++static struct ath_atx_tid *
++ath_get_skb_tid(struct ath_softc *sc, struct ath_node *an, struct sk_buff *skb)
++{
++ struct ieee80211_hdr *hdr;
++ u8 tidno = 0;
++
++ hdr = (struct ieee80211_hdr *) skb->data;
++ if (ieee80211_is_data_qos(hdr->frame_control))
++ tidno = ieee80211_get_qos_ctl(hdr)[0];
++
++ tidno &= IEEE80211_QOS_CTL_TID_MASK;
++ return ATH_AN_2_TID(an, tidno);
++}
++
++static bool ath_tid_has_buffered(struct ath_atx_tid *tid)
++{
++ return !skb_queue_empty(&tid->buf_q) || !skb_queue_empty(&tid->retry_q);
++}
++
++static struct sk_buff *ath_tid_dequeue(struct ath_atx_tid *tid)
++{
++ struct sk_buff *skb;
++
++ skb = __skb_dequeue(&tid->retry_q);
++ if (!skb)
++ skb = __skb_dequeue(&tid->buf_q);
++
++ return skb;
++}
++
++/*
++ * ath_tx_tid_change_state:
++ * - clears a-mpdu flag of previous session
++ * - force sequence number allocation to fix next BlockAck Window
++ */
++static void
++ath_tx_tid_change_state(struct ath_softc *sc, struct ath_atx_tid *tid)
++{
++ struct ath_txq *txq = tid->ac->txq;
++ struct ieee80211_tx_info *tx_info;
++ struct sk_buff *skb, *tskb;
++ struct ath_buf *bf;
++ struct ath_frame_info *fi;
++
++ skb_queue_walk_safe(&tid->buf_q, skb, tskb) {
++ fi = get_frame_info(skb);
++ bf = fi->bf;
++
++ tx_info = IEEE80211_SKB_CB(skb);
++ tx_info->flags &= ~IEEE80211_TX_CTL_AMPDU;
++
++ if (bf)
++ continue;
++
++ bf = ath_tx_setup_buffer(sc, txq, tid, skb);
++ if (!bf) {
++ __skb_unlink(skb, &tid->buf_q);
++ ath_txq_skb_done(sc, txq, skb);
++ ieee80211_free_txskb(sc->hw, skb);
++ continue;
++ }
++ }
++
++}
++
static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
{
struct ath_txq *txq = tid->ac->txq;
-@@ -167,6 +189,7 @@ static void ath_tx_flush_tid(struct ath_
+@@ -160,27 +250,22 @@ static void ath_tx_flush_tid(struct ath_
+
+ memset(&ts, 0, sizeof(ts));
+
+- while ((skb = __skb_dequeue(&tid->buf_q))) {
++ while ((skb = __skb_dequeue(&tid->retry_q))) {
+ fi = get_frame_info(skb);
+ bf = fi->bf;
+-
if (!bf) {
+- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+- if (!bf) {
+- ieee80211_free_txskb(sc->hw, skb);
+- continue;
+- }
++ ath_txq_skb_done(sc, txq, skb);
++ ieee80211_free_txskb(sc->hw, skb);
++ continue;
+ }
+
+- if (fi->retries) {
+- list_add_tail(&bf->list, &bf_head);
++ if (fi->baw_tracked) {
+ ath_tx_update_baw(sc, tid, bf->bf_state.seqno);
+- ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+ sendbar = true;
+- } else {
+- ath_set_rates(tid->an->vif, tid->an->sta, bf);
+- ath_tx_send_normal(sc, txq, NULL, skb);
+ }
++
++ list_add_tail(&bf->list, &bf_head);
++ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+ }
+
+ if (sendbar) {
+@@ -209,13 +294,16 @@ static void ath_tx_update_baw(struct ath
+ }
+
+ static void ath_tx_addto_baw(struct ath_softc *sc, struct ath_atx_tid *tid,
+- u16 seqno)
++ struct ath_buf *bf)
+ {
++ struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu);
++ u16 seqno = bf->bf_state.seqno;
+ int index, cindex;
+
+ index = ATH_BA_INDEX(tid->seq_start, seqno);
+ cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1);
+ __set_bit(cindex, tid->tx_buf);
++ fi->baw_tracked = 1;
+
+ if (index >= ((tid->baw_tail - tid->baw_head) &
+ (ATH_TID_MAX_BUFS - 1))) {
+@@ -243,7 +331,7 @@ static void ath_tid_drain(struct ath_sof
+ memset(&ts, 0, sizeof(ts));
+ INIT_LIST_HEAD(&bf_head);
+
+- while ((skb = __skb_dequeue(&tid->buf_q))) {
++ while ((skb = ath_tid_dequeue(tid))) {
+ fi = get_frame_info(skb);
+ bf = fi->bf;
+
+@@ -380,7 +468,6 @@ static void ath_tx_complete_aggr(struct
+ struct ieee80211_tx_rate rates[4];
+ struct ath_frame_info *fi;
+ int nframes;
+- u8 tidno;
+ bool flush = !!(ts->ts_status & ATH9K_TX_FLUSH);
+ int i, retries;
+ int bar_index = -1;
+@@ -417,8 +504,7 @@ static void ath_tx_complete_aggr(struct
+ }
+
+ an = (struct ath_node *)sta->drv_priv;
+- tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK;
+- tid = ATH_AN_2_TID(an, tidno);
++ tid = ath_get_skb_tid(sc, an, skb);
+ seq_first = tid->seq_start;
+ isba = ts->ts_flags & ATH9K_TX_BA;
+
+@@ -430,7 +516,7 @@ static void ath_tx_complete_aggr(struct
+ * Only BlockAcks have a TID and therefore normal Acks cannot be
+ * checked
+ */
+- if (isba && tidno != ts->tid)
++ if (isba && tid->tidno != ts->tid)
+ txok = false;
+
+ isaggr = bf_isaggr(bf);
+@@ -466,7 +552,8 @@ static void ath_tx_complete_aggr(struct
+ tx_info = IEEE80211_SKB_CB(skb);
+ fi = get_frame_info(skb);
+
+- if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno)) {
++ if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno) ||
++ !tid->active) {
+ /*
+ * Outside of the current BlockAck window,
+ * maybe part of a previous session
+@@ -560,7 +647,7 @@ static void ath_tx_complete_aggr(struct
+ if (an->sleeping)
+ ieee80211_sta_set_buffered(sta, tid->tidno, true);
+
+- skb_queue_splice(&bf_pending, &tid->buf_q);
++ skb_queue_splice_tail(&bf_pending, &tid->retry_q);
+ if (!an->sleeping) {
+ ath_tx_queue_tid(txq, tid);
+
+@@ -618,7 +705,7 @@ static void ath_tx_process_buffer(struct
+ } else
+ ath_tx_complete_aggr(sc, txq, bf, bf_head, ts, txok);
+
+- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) && !flush)
++ if (!flush)
+ ath_txq_schedule(sc, txq);
+ }
+
+@@ -792,15 +879,20 @@ static int ath_compute_num_delims(struct
+
+ static struct ath_buf *
+ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
+- struct ath_atx_tid *tid)
++ struct ath_atx_tid *tid, struct sk_buff_head **q)
+ {
++ struct ieee80211_tx_info *tx_info;
+ struct ath_frame_info *fi;
+ struct sk_buff *skb;
+ struct ath_buf *bf;
+ u16 seqno;
+
+ while (1) {
+- skb = skb_peek(&tid->buf_q);
++ *q = &tid->retry_q;
++ if (skb_queue_empty(*q))
++ *q = &tid->buf_q;
++
++ skb = skb_peek(*q);
+ if (!skb)
+ break;
+
+@@ -810,11 +902,22 @@ ath_tx_get_tid_subframe(struct ath_softc
bf = ath_tx_setup_buffer(sc, txq, tid, skb);
- if (!bf) {
-+ ath_txq_skb_done(sc, txq, skb);
- ieee80211_free_txskb(sc->hw, skb);
- continue;
- }
-@@ -811,6 +834,7 @@ ath_tx_get_tid_subframe(struct ath_softc
if (!bf) {
- __skb_unlink(skb, &tid->buf_q);
+- __skb_unlink(skb, &tid->buf_q);
++ __skb_unlink(skb, *q);
+ ath_txq_skb_done(sc, txq, skb);
ieee80211_free_txskb(sc->hw, skb);
continue;
}
-@@ -1824,6 +1848,7 @@ static void ath_tx_send_ampdu(struct ath
- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
- if (!bf) {
-+ ath_txq_skb_done(sc, txq, skb);
- ieee80211_free_txskb(sc->hw, skb);
++ bf->bf_next = NULL;
++ bf->bf_lastbf = bf;
++
++ tx_info = IEEE80211_SKB_CB(skb);
++ tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT;
++ if (!(tx_info->flags & IEEE80211_TX_CTL_AMPDU)) {
++ bf->bf_state.bf_type = 0;
++ return bf;
++ }
++
+ bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR;
+ seqno = bf->bf_state.seqno;
+
+@@ -828,73 +931,52 @@ ath_tx_get_tid_subframe(struct ath_softc
+
+ INIT_LIST_HEAD(&bf_head);
+ list_add(&bf->list, &bf_head);
+- __skb_unlink(skb, &tid->buf_q);
++ __skb_unlink(skb, *q);
+ ath_tx_update_baw(sc, tid, seqno);
+ ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0);
+ continue;
+ }
+
+- bf->bf_next = NULL;
+- bf->bf_lastbf = bf;
+ return bf;
+ }
+
+ return NULL;
+ }
+
+-static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc,
+- struct ath_txq *txq,
+- struct ath_atx_tid *tid,
+- struct list_head *bf_q,
+- int *aggr_len)
++static bool
++ath_tx_form_aggr(struct ath_softc *sc, struct ath_txq *txq,
++ struct ath_atx_tid *tid, struct list_head *bf_q,
++ struct ath_buf *bf_first, struct sk_buff_head *tid_q,
++ int *aggr_len)
+ {
+ #define PADBYTES(_len) ((4 - ((_len) % 4)) % 4)
+- struct ath_buf *bf, *bf_first = NULL, *bf_prev = NULL;
+- int rl = 0, nframes = 0, ndelim, prev_al = 0;
++ struct ath_buf *bf = bf_first, *bf_prev = NULL;
++ int nframes = 0, ndelim;
+ u16 aggr_limit = 0, al = 0, bpad = 0,
+- al_delta, h_baw = tid->baw_size / 2;
+- enum ATH_AGGR_STATUS status = ATH_AGGR_DONE;
++ al_delta, h_baw = tid->baw_size / 2;
+ struct ieee80211_tx_info *tx_info;
+ struct ath_frame_info *fi;
+ struct sk_buff *skb;
++ bool closed = false;
+
+- do {
+- bf = ath_tx_get_tid_subframe(sc, txq, tid);
+- if (!bf) {
+- status = ATH_AGGR_BAW_CLOSED;
+- break;
+- }
++ bf = bf_first;
++ aggr_limit = ath_lookup_rate(sc, bf, tid);
+
++ do {
+ skb = bf->bf_mpdu;
+ fi = get_frame_info(skb);
+
+- if (!bf_first)
+- bf_first = bf;
+-
+- if (!rl) {
+- ath_set_rates(tid->an->vif, tid->an->sta, bf);
+- aggr_limit = ath_lookup_rate(sc, bf, tid);
+- rl = 1;
+- }
+-
+ /* do not exceed aggregation limit */
+ al_delta = ATH_AGGR_DELIM_SZ + fi->framelen;
++ if (nframes) {
++ if (aggr_limit < al + bpad + al_delta ||
++ ath_lookup_legacy(bf) || nframes >= h_baw)
++ break;
+
+- if (nframes &&
+- ((aggr_limit < (al + bpad + al_delta + prev_al)) ||
+- ath_lookup_legacy(bf))) {
+- status = ATH_AGGR_LIMITED;
+- break;
+- }
+-
+- tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
+- if (nframes && (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE))
+- break;
+-
+- /* do not exceed subframe limit */
+- if (nframes >= min((int)h_baw, ATH_AMPDU_SUBFRAME_DEFAULT)) {
+- status = ATH_AGGR_LIMITED;
+- break;
++ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ if ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
++ !(tx_info->flags & IEEE80211_TX_CTL_AMPDU))
++ break;
+ }
+
+ /* add padding for previous frame to aggregation length */
+@@ -912,22 +994,37 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+ bf->bf_next = NULL;
+
+ /* link buffers of this frame to the aggregate */
+- if (!fi->retries)
+- ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
++ if (!fi->baw_tracked)
++ ath_tx_addto_baw(sc, tid, bf);
+ bf->bf_state.ndelim = ndelim;
+
+- __skb_unlink(skb, &tid->buf_q);
++ __skb_unlink(skb, tid_q);
+ list_add_tail(&bf->list, bf_q);
+ if (bf_prev)
+ bf_prev->bf_next = bf;
+
+ bf_prev = bf;
+
+- } while (!skb_queue_empty(&tid->buf_q));
++ bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
++ if (!bf) {
++ closed = true;
++ break;
++ }
++ } while (ath_tid_has_buffered(tid));
++
++ bf = bf_first;
++ bf->bf_lastbf = bf_prev;
++
++ if (bf == bf_prev) {
++ al = get_frame_info(bf->bf_mpdu)->framelen;
++ bf->bf_state.bf_type = BUF_AMPDU;
++ } else {
++ TX_STAT_INC(txq->axq_qnum, a_aggr);
++ }
+
+ *aggr_len = al;
+
+- return status;
++ return closed;
+ #undef PADBYTES
+ }
+
+@@ -1188,53 +1285,86 @@ static void ath_tx_fill_desc(struct ath_
+ }
+ }
+
+-static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
+- struct ath_atx_tid *tid)
++static void
++ath_tx_form_burst(struct ath_softc *sc, struct ath_txq *txq,
++ struct ath_atx_tid *tid, struct list_head *bf_q,
++ struct ath_buf *bf_first, struct sk_buff_head *tid_q)
+ {
+- struct ath_buf *bf;
+- enum ATH_AGGR_STATUS status;
+- struct ieee80211_tx_info *tx_info;
+- struct list_head bf_q;
+- int aggr_len;
++ struct ath_buf *bf = bf_first, *bf_prev = NULL;
++ struct sk_buff *skb;
++ int nframes = 0;
+
+ do {
+- if (skb_queue_empty(&tid->buf_q))
+- return;
++ struct ieee80211_tx_info *tx_info;
++ skb = bf->bf_mpdu;
+
+- INIT_LIST_HEAD(&bf_q);
++ nframes++;
++ __skb_unlink(skb, tid_q);
++ list_add_tail(&bf->list, bf_q);
++ if (bf_prev)
++ bf_prev->bf_next = bf;
++ bf_prev = bf;
+
+- status = ath_tx_form_aggr(sc, txq, tid, &bf_q, &aggr_len);
++ if (nframes >= 2)
++ break;
+
+- /*
+- * no frames picked up to be aggregated;
+- * block-ack window is not open.
+- */
+- if (list_empty(&bf_q))
++ bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
++ if (!bf)
+ break;
+
+- bf = list_first_entry(&bf_q, struct ath_buf, list);
+- bf->bf_lastbf = list_entry(bf_q.prev, struct ath_buf, list);
+ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
++ break;
+
+- if (tid->ac->clear_ps_filter) {
+- tid->ac->clear_ps_filter = false;
+- tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+- } else {
+- tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT;
+- }
++ ath_set_rates(tid->an->vif, tid->an->sta, bf);
++ } while (1);
++}
+
+- /* if only one frame, send as non-aggregate */
+- if (bf == bf->bf_lastbf) {
+- aggr_len = get_frame_info(bf->bf_mpdu)->framelen;
+- bf->bf_state.bf_type = BUF_AMPDU;
+- } else {
+- TX_STAT_INC(txq->axq_qnum, a_aggr);
+- }
++static bool ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
++ struct ath_atx_tid *tid, bool *stop)
++{
++ struct ath_buf *bf;
++ struct ieee80211_tx_info *tx_info;
++ struct sk_buff_head *tid_q;
++ struct list_head bf_q;
++ int aggr_len = 0;
++ bool aggr, last = true;
++
++ if (!ath_tid_has_buffered(tid))
++ return false;
++
++ INIT_LIST_HEAD(&bf_q);
++
++ bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
++ if (!bf)
++ return false;
++
++ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ aggr = !!(tx_info->flags & IEEE80211_TX_CTL_AMPDU);
++ if ((aggr && txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) ||
++ (!aggr && txq->axq_depth >= ATH_NON_AGGR_MIN_QDEPTH)) {
++ *stop = true;
++ return false;
++ }
++
++ ath_set_rates(tid->an->vif, tid->an->sta, bf);
++ if (aggr)
++ last = ath_tx_form_aggr(sc, txq, tid, &bf_q, bf,
++ tid_q, &aggr_len);
++ else
++ ath_tx_form_burst(sc, txq, tid, &bf_q, bf, tid_q);
++
++ if (list_empty(&bf_q))
++ return false;
++
++ if (tid->ac->clear_ps_filter || tid->an->no_ps_filter) {
++ 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;
+ }
+
+ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+@@ -1258,6 +1388,9 @@ int ath_tx_aggr_start(struct ath_softc *
+ an->mpdudensity = density;
+ }
+
++ /* force sequence number allocation for pending frames */
++ ath_tx_tid_change_state(sc, txtid);
++
+ txtid->active = true;
+ txtid->paused = true;
+ *ssn = txtid->seq_start = txtid->seq_next;
+@@ -1277,8 +1410,9 @@ void ath_tx_aggr_stop(struct ath_softc *
+
+ ath_txq_lock(sc, txq);
+ txtid->active = false;
+- txtid->paused = true;
++ txtid->paused = false;
+ ath_tx_flush_tid(sc, txtid);
++ ath_tx_tid_change_state(sc, txtid);
+ ath_txq_unlock_complete(sc, txq);
+ }
+
+@@ -1302,7 +1436,7 @@ void ath_tx_aggr_sleep(struct ieee80211_
+
+ ath_txq_lock(sc, txq);
+
+- buffered = !skb_queue_empty(&tid->buf_q);
++ buffered = ath_tid_has_buffered(tid);
+
+ tid->sched = false;
+ list_del(&tid->list);
+@@ -1334,7 +1468,7 @@ void ath_tx_aggr_wakeup(struct ath_softc
+ ath_txq_lock(sc, txq);
+ ac->clear_ps_filter = true;
+
+- if (!skb_queue_empty(&tid->buf_q) && !tid->paused) {
++ if (!tid->paused && ath_tid_has_buffered(tid)) {
+ ath_tx_queue_tid(txq, tid);
+ ath_txq_schedule(sc, txq);
+ }
+@@ -1359,7 +1493,7 @@ void ath_tx_aggr_resume(struct ath_softc
+ tid->baw_size = IEEE80211_MIN_AMPDU_BUF << sta->ht_cap.ampdu_factor;
+ tid->paused = false;
+
+- if (!skb_queue_empty(&tid->buf_q)) {
++ if (ath_tid_has_buffered(tid)) {
+ ath_tx_queue_tid(txq, tid);
+ ath_txq_schedule(sc, txq);
+ }
+@@ -1379,6 +1513,7 @@ void ath9k_release_buffered_frames(struc
+ struct ieee80211_tx_info *info;
+ struct list_head bf_q;
+ struct ath_buf *bf_tail = NULL, *bf;
++ struct sk_buff_head *tid_q;
+ int sent = 0;
+ int i;
+
+@@ -1394,15 +1529,15 @@ void ath9k_release_buffered_frames(struc
+ continue;
+
+ ath_txq_lock(sc, tid->ac->txq);
+- while (!skb_queue_empty(&tid->buf_q) && nframes > 0) {
+- bf = ath_tx_get_tid_subframe(sc, sc->tx.uapsdq, tid);
++ while (nframes > 0) {
++ bf = ath_tx_get_tid_subframe(sc, sc->tx.uapsdq, tid, &tid_q);
+ if (!bf)
+ break;
+
+- __skb_unlink(bf->bf_mpdu, &tid->buf_q);
++ __skb_unlink(bf->bf_mpdu, tid_q);
+ list_add_tail(&bf->list, &bf_q);
+ ath_set_rates(tid->an->vif, tid->an->sta, bf);
+- ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
++ ath_tx_addto_baw(sc, tid, bf);
+ bf->bf_state.bf_type &= ~BUF_AGGR;
+ if (bf_tail)
+ bf_tail->bf_next = bf;
+@@ -1412,7 +1547,7 @@ void ath9k_release_buffered_frames(struc
+ sent++;
+ TX_STAT_INC(txq->axq_qnum, a_queued_hw);
+
+- if (skb_queue_empty(&tid->buf_q))
++ if (an->sta && !ath_tid_has_buffered(tid))
+ ieee80211_sta_set_buffered(an->sta, i, false);
+ }
+ ath_txq_unlock_complete(sc, tid->ac->txq);
+@@ -1665,25 +1800,27 @@ void ath_tx_cleanupq(struct ath_softc *s
+ */
+ void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq)
+ {
+- struct ath_atx_ac *ac, *ac_tmp, *last_ac;
++ struct ath_atx_ac *ac, *last_ac;
+ struct ath_atx_tid *tid, *last_tid;
++ bool sent = false;
+
+ if (test_bit(SC_OP_HW_RESET, &sc->sc_flags) ||
+- list_empty(&txq->axq_acq) ||
+- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
++ list_empty(&txq->axq_acq))
return;
+
+ rcu_read_lock();
+
+- ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
+ last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list);
++ while (!list_empty(&txq->axq_acq)) {
++ bool stop = false;
+
+- list_for_each_entry_safe(ac, ac_tmp, &txq->axq_acq, list) {
++ ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list);
+ last_tid = list_entry(ac->tid_q.prev, struct ath_atx_tid, list);
+ list_del(&ac->list);
+ ac->sched = false;
+
+ while (!list_empty(&ac->tid_q)) {
++
+ tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
+ list);
+ list_del(&tid->list);
+@@ -1692,17 +1829,17 @@ void ath_txq_schedule(struct ath_softc *
+ if (tid->paused)
+ continue;
+
+- ath_tx_sched_aggr(sc, txq, tid);
++ if (ath_tx_sched_aggr(sc, txq, tid, &stop))
++ sent = true;
+
+ /*
+ * add tid to round-robin queue if more frames
+ * are pending for the tid
+ */
+- if (!skb_queue_empty(&tid->buf_q))
++ if (ath_tid_has_buffered(tid))
+ ath_tx_queue_tid(txq, tid);
+
+- if (tid == last_tid ||
+- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
++ if (stop || tid == last_tid)
+ break;
+ }
+
+@@ -1711,9 +1848,17 @@ void ath_txq_schedule(struct ath_softc *
+ list_add_tail(&ac->list, &txq->axq_acq);
+ }
+
+- if (ac == last_ac ||
+- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH)
++ if (stop)
+ break;
++
++ if (ac == last_ac) {
++ if (!sent)
++ break;
++
++ sent = false;
++ last_ac = list_entry(txq->axq_acq.prev,
++ struct ath_atx_ac, list);
++ }
+ }
+
+ rcu_read_unlock();
+@@ -1792,57 +1937,6 @@ static void ath_tx_txqaddbuf(struct ath_
+ }
+ }
+
+-static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_txq *txq,
+- struct ath_atx_tid *tid, struct sk_buff *skb,
+- struct ath_tx_control *txctl)
+-{
+- struct ath_frame_info *fi = get_frame_info(skb);
+- struct list_head bf_head;
+- struct ath_buf *bf;
+-
+- /*
+- * Do not queue to h/w when any of the following conditions is true:
+- * - there are pending frames in software queue
+- * - the TID is currently paused for ADDBA/BAR request
+- * - seqno is not within block-ack window
+- * - h/w queue depth exceeds low water mark
+- */
+- if ((!skb_queue_empty(&tid->buf_q) || tid->paused ||
+- !BAW_WITHIN(tid->seq_start, tid->baw_size, tid->seq_next) ||
+- txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) &&
+- txq != sc->tx.uapsdq) {
+- /*
+- * Add this frame to software queue for scheduling later
+- * for aggregation.
+- */
+- TX_STAT_INC(txq->axq_qnum, a_queued_sw);
+- __skb_queue_tail(&tid->buf_q, skb);
+- if (!txctl->an || !txctl->an->sleeping)
+- ath_tx_queue_tid(txq, tid);
+- return;
+- }
+-
+- bf = ath_tx_setup_buffer(sc, txq, tid, skb);
+- if (!bf) {
+- ieee80211_free_txskb(sc->hw, skb);
+- return;
+- }
+-
+- ath_set_rates(tid->an->vif, tid->an->sta, bf);
+- bf->bf_state.bf_type = BUF_AMPDU;
+- INIT_LIST_HEAD(&bf_head);
+- list_add(&bf->list, &bf_head);
+-
+- /* Add sub-frame to BAW */
+- ath_tx_addto_baw(sc, tid, bf->bf_state.seqno);
+-
+- /* Queue to h/w without aggregation */
+- TX_STAT_INC(txq->axq_qnum, a_queued_hw);
+- bf->bf_lastbf = bf;
+- ath_tx_fill_desc(sc, bf, txq, fi->framelen);
+- ath_tx_txqaddbuf(sc, txq, &bf_head, false);
+-}
+-
+ 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 +2079,7 @@ 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;
++ struct ath_vif *avp;
+ struct ath_softc *sc = hw->priv;
+ int frmlen = skb->len + FCS_LEN;
+ int padpos, padsize;
+@@ -1992,6 +2087,10 @@ 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;
++ else if (vif && ieee80211_is_data(hdr->frame_control)) {
++ avp = (void *)vif->drv_priv;
++ txctl->an = &avp->mcast_node;
++ }
+
+ if (info->control.hw_key)
+ frmlen += info->control.hw_key->icv_len;
+@@ -2041,7 +2140,6 @@ int ath_tx_start(struct ieee80211_hw *hw
+ struct ath_txq *txq = txctl->txq;
+ struct ath_atx_tid *tid = NULL;
+ struct ath_buf *bf;
+- u8 tidno;
+ int q;
+ int ret;
+
+@@ -2069,27 +2167,31 @@ int ath_tx_start(struct ieee80211_hw *hw
+ ath_txq_unlock(sc, txq);
+ txq = sc->tx.uapsdq;
+ ath_txq_lock(sc, txq);
+- }
+-
+- if (txctl->an && ieee80211_is_data_qos(hdr->frame_control)) {
+- tidno = ieee80211_get_qos_ctl(hdr)[0] &
+- IEEE80211_QOS_CTL_TID_MASK;
+- tid = ATH_AN_2_TID(txctl->an, tidno);
++ } else if (txctl->an &&
++ ieee80211_is_data_present(hdr->frame_control)) {
++ tid = ath_get_skb_tid(sc, txctl->an, skb);
+
+ WARN_ON(tid->ac->txq != txctl->txq);
+- }
+
+- if ((info->flags & IEEE80211_TX_CTL_AMPDU) && tid) {
++ if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
++ tid->ac->clear_ps_filter = true;
++
+ /*
+- * Try aggregation if it's a unicast data frame
+- * and the destination is HT capable.
++ * Add this frame to software queue for scheduling later
++ * for aggregation.
+ */
+- ath_tx_send_ampdu(sc, txq, tid, skb, txctl);
++ TX_STAT_INC(txq->axq_qnum, a_queued_sw);
++ __skb_queue_tail(&tid->buf_q, skb);
++ if (!txctl->an->sleeping)
++ ath_tx_queue_tid(txq, tid);
++
++ ath_txq_schedule(sc, txq);
+ goto out;
}
-@@ -2090,6 +2115,7 @@ int ath_tx_start(struct ieee80211_hw *hw
bf = ath_tx_setup_buffer(sc, txq, tid, skb);
if (!bf) {
if (txctl->paprd)
dev_kfree_skb_any(skb);
else
-@@ -2189,7 +2215,7 @@ static void ath_tx_complete(struct ath_s
+@@ -2189,7 +2291,7 @@ 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;
unsigned long flags;
ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
-@@ -2225,21 +2251,7 @@ static void ath_tx_complete(struct ath_s
+@@ -2225,21 +2327,7 @@ static void ath_tx_complete(struct ath_s
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
__skb_queue_tail(&txq->complete_q, skb);
}
static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
+@@ -2360,8 +2448,7 @@ static void ath_tx_processq(struct ath_s
+
+ if (list_empty(&txq->axq_q)) {
+ txq->axq_link = NULL;
+- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+- ath_txq_schedule(sc, txq);
++ ath_txq_schedule(sc, txq);
+ break;
+ }
+ bf = list_first_entry(&txq->axq_q, struct ath_buf, list);
+@@ -2583,6 +2670,7 @@ void ath_tx_node_init(struct ath_softc *
+ tid->paused = false;
+ tid->active = false;
+ __skb_queue_head_init(&tid->buf_q);
++ __skb_queue_head_init(&tid->retry_q);
+ acno = TID_TO_WME_AC(tidno);
+ tid->ac = &an->ac[acno];
+ }
+@@ -2590,6 +2678,7 @@ void ath_tx_node_init(struct ath_softc *
+ for (acno = 0, ac = &an->ac[acno];
+ acno < IEEE80211_NUM_ACS; acno++, ac++) {
+ ac->sched = false;
++ ac->clear_ps_filter = true;
+ ac->txq = sc->tx.txq_map[acno];
+ INIT_LIST_HEAD(&ac->tid_q);
+ }
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -2094,7 +2094,7 @@ static void ath9k_wow_add_pattern(struct
+@@ -966,6 +966,8 @@ static int ath9k_add_interface(struct ie
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
++ struct ath_vif *avp = (void *)vif->drv_priv;
++ struct ath_node *an = &avp->mcast_node;
+
+ mutex_lock(&sc->mutex);
+
+@@ -979,6 +981,12 @@ static int ath9k_add_interface(struct ie
+ if (ath9k_uses_beacons(vif->type))
+ ath9k_beacon_assign_slot(sc, vif);
+
++ an->sc = sc;
++ an->sta = NULL;
++ an->vif = vif;
++ an->no_ps_filter = true;
++ ath_tx_node_init(sc, an);
++
+ mutex_unlock(&sc->mutex);
+ return 0;
+ }
+@@ -1016,6 +1024,7 @@ static void ath9k_remove_interface(struc
+ {
+ struct ath_softc *sc = hw->priv;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
++ struct ath_vif *avp = (void *)vif->drv_priv;
+
+ ath_dbg(common, CONFIG, "Detach Interface\n");
+
+@@ -1030,6 +1039,8 @@ static void ath9k_remove_interface(struc
+ ath9k_calculate_summary_state(hw, NULL);
+ ath9k_ps_restore(sc);
+
++ ath_tx_node_cleanup(sc, &avp->mcast_node);
++
+ mutex_unlock(&sc->mutex);
+ }
+
+@@ -1374,9 +1385,6 @@ static void ath9k_sta_notify(struct ieee
+ struct ath_softc *sc = hw->priv;
+ struct ath_node *an = (struct ath_node *) sta->drv_priv;
+
+- if (!sta->ht_cap.ht_supported)
+- return;
+-
+ switch (cmd) {
+ case STA_NOTIFY_SLEEP:
+ an->sleeping = true;
+@@ -2094,7 +2102,7 @@ static void ath9k_wow_add_pattern(struct
{
struct ath_hw *ah = sc->sc_ah;
struct ath9k_wow_pattern *wow_pattern = NULL;
* peer's power mode is known
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
-@@ -974,7 +974,7 @@ static int nl80211_send_wowlan(struct sk
+@@ -441,10 +441,12 @@ static int nl80211_prepare_wdev_dump(str
+ goto out_unlock;
+ }
+ *rdev = wiphy_to_dev((*wdev)->wiphy);
+- cb->args[0] = (*rdev)->wiphy_idx;
++ /* 0 is the first index - add 1 to parse only once */
++ cb->args[0] = (*rdev)->wiphy_idx + 1;
+ cb->args[1] = (*wdev)->identifier;
+ } else {
+- struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0]);
++ /* subtract the 1 again here */
++ struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
+ struct wireless_dev *tmp;
+
+ if (!wiphy) {
+@@ -974,7 +976,7 @@ static int nl80211_send_wowlan(struct sk
return -ENOBUFS;
if (dev->wiphy.wowlan->n_patterns) {
.max_patterns = dev->wiphy.wowlan->n_patterns,
.min_pattern_len = dev->wiphy.wowlan->pattern_min_len,
.max_pattern_len = dev->wiphy.wowlan->pattern_max_len,
-@@ -1568,8 +1568,10 @@ static int nl80211_dump_wiphy(struct sk_
+@@ -1568,8 +1570,10 @@ static int nl80211_dump_wiphy(struct sk_
rtnl_lock();
if (!state) {
state = kzalloc(sizeof(*state), GFP_KERNEL);
state->filter_wiphy = -1;
ret = nl80211_dump_wiphy_parse(skb, cb, state);
if (ret) {
-@@ -6615,12 +6617,14 @@ EXPORT_SYMBOL(cfg80211_testmode_alloc_ev
+@@ -6615,12 +6619,14 @@ EXPORT_SYMBOL(cfg80211_testmode_alloc_ev
void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
{
}
EXPORT_SYMBOL(cfg80211_testmode_event);
#endif
-@@ -7593,12 +7597,11 @@ static int nl80211_send_wowlan_patterns(
+@@ -7593,12 +7599,11 @@ static int nl80211_send_wowlan_patterns(
if (!nl_pat)
return -ENOBUFS;
pat_len = wowlan->patterns[i].pattern_len;
wowlan->patterns[i].pkt_offset))
return -ENOBUFS;
nla_nest_end(msg, nl_pat);
-@@ -7939,7 +7942,7 @@ static int nl80211_set_wowlan(struct sk_
+@@ -7939,7 +7944,7 @@ static int nl80211_set_wowlan(struct sk_
struct nlattr *pat;
int n_patterns = 0;
int rem, pat_len, mask_len, pkt_offset;
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem)
-@@ -7958,26 +7961,25 @@ static int nl80211_set_wowlan(struct sk_
+@@ -7958,26 +7963,25 @@ static int nl80211_set_wowlan(struct sk_
nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN],
rem) {
if (pkt_offset > wowlan->max_pkt_offset)
goto error;
new_triggers.patterns[i].pkt_offset = pkt_offset;
-@@ -7991,11 +7993,11 @@ static int nl80211_set_wowlan(struct sk_
+@@ -7991,11 +7995,11 @@ static int nl80211_set_wowlan(struct sk_
new_triggers.patterns[i].pattern =
new_triggers.patterns[i].mask + mask_len;
memcpy(new_triggers.patterns[i].mask,
pat_len);
i++;
}
-@@ -10066,7 +10068,8 @@ void cfg80211_mgmt_tx_status(struct wire
+@@ -10066,7 +10070,8 @@ void cfg80211_mgmt_tx_status(struct wire
genlmsg_end(msg, hdr);
nla_put_failure:
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
-@@ -2279,7 +2279,9 @@ void wiphy_regulatory_deregister(struct
+@@ -2247,10 +2247,13 @@ int reg_device_uevent(struct device *dev
+
+ void wiphy_regulatory_register(struct wiphy *wiphy)
+ {
++ struct regulatory_request *lr;
++
+ if (!reg_dev_ignore_cell_hint(wiphy))
+ reg_num_devs_support_basehint++;
+
+- wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
++ lr = get_last_request();
++ wiphy_update_regulatory(wiphy, lr->initiator);
+ }
+
+ void wiphy_regulatory_deregister(struct wiphy *wiphy)
+@@ -2279,7 +2282,9 @@ void wiphy_regulatory_deregister(struct
static void reg_timeout_work(struct work_struct *work)
{
REG_DBG_PRINT("Timeout while waiting for CRDA to reply, restoring regulatory settings\n");
mi->prev_sample = false;
if (delta < 0 || (!mrr_capable && prev_sample))
return;
+--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
+@@ -936,13 +936,8 @@ void rt2x00queue_index_inc(struct queue_
+ spin_unlock_irqrestore(&queue->index_lock, irqflags);
+ }
+
+-void rt2x00queue_pause_queue(struct data_queue *queue)
++void rt2x00queue_pause_queue_nocheck(struct data_queue *queue)
+ {
+- if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) ||
+- !test_bit(QUEUE_STARTED, &queue->flags) ||
+- test_and_set_bit(QUEUE_PAUSED, &queue->flags))
+- return;
+-
+ switch (queue->qid) {
+ case QID_AC_VO:
+ case QID_AC_VI:
+@@ -958,6 +953,15 @@ void rt2x00queue_pause_queue(struct data
+ break;
+ }
+ }
++void rt2x00queue_pause_queue(struct data_queue *queue)
++{
++ if (!test_bit(DEVICE_STATE_PRESENT, &queue->rt2x00dev->flags) ||
++ !test_bit(QUEUE_STARTED, &queue->flags) ||
++ test_and_set_bit(QUEUE_PAUSED, &queue->flags))
++ return;
++
++ rt2x00queue_pause_queue_nocheck(queue);
++}
+ EXPORT_SYMBOL_GPL(rt2x00queue_pause_queue);
+
+ void rt2x00queue_unpause_queue(struct data_queue *queue)
+@@ -1019,7 +1023,7 @@ void rt2x00queue_stop_queue(struct data_
+ return;
+ }
+
+- rt2x00queue_pause_queue(queue);
++ rt2x00queue_pause_queue_nocheck(queue);
+
+ queue->rt2x00dev->ops->lib->stop_queue(queue);
+
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -31,10 +31,12 @@
+ #include "led.h"
+
+ #define IEEE80211_AUTH_TIMEOUT (HZ / 5)
++#define IEEE80211_AUTH_TIMEOUT_LONG (HZ / 2)
+ #define IEEE80211_AUTH_TIMEOUT_SHORT (HZ / 10)
+ #define IEEE80211_AUTH_MAX_TRIES 3
+ #define IEEE80211_AUTH_WAIT_ASSOC (HZ * 5)
+ #define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
++#define IEEE80211_ASSOC_TIMEOUT_LONG (HZ / 2)
+ #define IEEE80211_ASSOC_TIMEOUT_SHORT (HZ / 10)
+ #define IEEE80211_ASSOC_MAX_TRIES 3
+
+@@ -209,8 +211,9 @@ ieee80211_determine_chantype(struct ieee
+ struct ieee80211_channel *channel,
+ const struct ieee80211_ht_operation *ht_oper,
+ const struct ieee80211_vht_operation *vht_oper,
+- struct cfg80211_chan_def *chandef, bool verbose)
++ struct cfg80211_chan_def *chandef, bool tracking)
+ {
++ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct cfg80211_chan_def vht_chandef;
+ u32 ht_cfreq, ret;
+
+@@ -229,7 +232,7 @@ ieee80211_determine_chantype(struct ieee
+ ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan,
+ channel->band);
+ /* check that channel matches the right operating channel */
+- if (channel->center_freq != ht_cfreq) {
++ if (!tracking && channel->center_freq != ht_cfreq) {
+ /*
+ * It's possible that some APs are confused here;
+ * Netgear WNDR3700 sometimes reports 4 higher than
+@@ -237,11 +240,10 @@ ieee80211_determine_chantype(struct ieee
+ * since we look at probe response/beacon data here
+ * it should be OK.
+ */
+- if (verbose)
+- sdata_info(sdata,
+- "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
+- channel->center_freq, ht_cfreq,
+- ht_oper->primary_chan, channel->band);
++ sdata_info(sdata,
++ "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
++ channel->center_freq, ht_cfreq,
++ ht_oper->primary_chan, channel->band);
+ ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
+ goto out;
+ }
+@@ -295,7 +297,7 @@ ieee80211_determine_chantype(struct ieee
+ channel->band);
+ break;
+ default:
+- if (verbose)
++ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ sdata_info(sdata,
+ "AP VHT operation IE has invalid channel width (%d), disable VHT\n",
+ vht_oper->chan_width);
+@@ -304,7 +306,7 @@ ieee80211_determine_chantype(struct ieee
+ }
+
+ if (!cfg80211_chandef_valid(&vht_chandef)) {
+- if (verbose)
++ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ sdata_info(sdata,
+ "AP VHT information is invalid, disable VHT\n");
+ ret = IEEE80211_STA_DISABLE_VHT;
+@@ -317,7 +319,7 @@ ieee80211_determine_chantype(struct ieee
+ }
+
+ if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) {
+- if (verbose)
++ if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
+ sdata_info(sdata,
+ "AP VHT information doesn't match HT, disable VHT\n");
+ ret = IEEE80211_STA_DISABLE_VHT;
+@@ -333,18 +335,27 @@ out:
+ if (ret & IEEE80211_STA_DISABLE_VHT)
+ vht_chandef = *chandef;
+
++ /*
++ * Ignore the DISABLED flag when we're already connected and only
++ * tracking the APs beacon for bandwidth changes - otherwise we
++ * might get disconnected here if we connect to an AP, update our
++ * regulatory information based on the AP's country IE and the
++ * information we have is wrong/outdated and disables the channel
++ * that we're actually using for the connection to the AP.
++ */
+ while (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,
+- IEEE80211_CHAN_DISABLED)) {
++ tracking ? 0 :
++ IEEE80211_CHAN_DISABLED)) {
+ if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) {
+ ret = IEEE80211_STA_DISABLE_HT |
+ IEEE80211_STA_DISABLE_VHT;
+- goto out;
++ break;
+ }
+
+ ret |= chandef_downgrade(chandef);
+ }
+
+- if (chandef->width != vht_chandef.width && verbose)
++ if (chandef->width != vht_chandef.width && !tracking)
+ sdata_info(sdata,
+ "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded\n");
+
+@@ -384,7 +395,7 @@ static int ieee80211_config_bw(struct ie
+
+ /* calculate new channel (type) based on HT/VHT operation IEs */
+ flags = ieee80211_determine_chantype(sdata, sband, chan, ht_oper,
+- vht_oper, &chandef, false);
++ vht_oper, &chandef, true);
+
+ /*
+ * Downgrade the new channel if we associated with restricted
+@@ -3394,10 +3405,13 @@ static int ieee80211_probe_auth(struct i
+
+ if (tx_flags == 0) {
+ auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
+- ifmgd->auth_data->timeout_started = true;
++ auth_data->timeout_started = true;
+ run_again(sdata, auth_data->timeout);
+ } else {
+- auth_data->timeout_started = false;
++ auth_data->timeout =
++ round_jiffies_up(jiffies + IEEE80211_AUTH_TIMEOUT_LONG);
++ auth_data->timeout_started = true;
++ run_again(sdata, auth_data->timeout);
+ }
+
+ return 0;
+@@ -3434,7 +3448,11 @@ static int ieee80211_do_assoc(struct iee
+ assoc_data->timeout_started = true;
+ run_again(sdata, assoc_data->timeout);
+ } else {
+- assoc_data->timeout_started = false;
++ assoc_data->timeout =
++ round_jiffies_up(jiffies +
++ IEEE80211_ASSOC_TIMEOUT_LONG);
++ assoc_data->timeout_started = true;
++ run_again(sdata, assoc_data->timeout);
+ }
+
+ return 0;
+@@ -3829,7 +3847,7 @@ static int ieee80211_prep_channel(struct
+ ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
+ cbss->channel,
+ ht_oper, vht_oper,
+- &chandef, true);
++ &chandef, false);
+
+ sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss),
+ local->rx_chains);
+--- a/net/wireless/core.c
++++ b/net/wireless/core.c
+@@ -772,6 +772,7 @@ void cfg80211_leave(struct cfg80211_regi
+ cfg80211_leave_mesh(rdev, dev);
+ break;
+ case NL80211_IFTYPE_AP:
++ case NL80211_IFTYPE_P2P_GO:
+ cfg80211_stop_ap(rdev, dev);
+ break;
+ default:
+--- a/drivers/net/wireless/rtlwifi/Kconfig
++++ b/drivers/net/wireless/rtlwifi/Kconfig
+@@ -1,29 +1,22 @@
+-config RTLWIFI
+- tristate "Realtek wireless card support"
++menuconfig RTL_CARDS
++ tristate "Realtek rtlwifi family of devices"
+ depends on m
+- depends on MAC80211
+- select BACKPORT_FW_LOADER
+- ---help---
+- This is common code for RTL8192CE/RTL8192CU/RTL8192SE/RTL8723AE
+- drivers. This module does nothing by itself - the various front-end
+- drivers need to be enabled to support any desired devices.
+-
+- If you choose to build as a module, it'll be called rtlwifi.
+-
+-config RTLWIFI_DEBUG
+- bool "Debugging output for rtlwifi driver family"
+- depends on RTLWIFI
++ depends on MAC80211 && (PCI || USB)
+ default y
+ ---help---
+- To use the module option that sets the dynamic-debugging level for,
+- the front-end driver, this parameter must be "Y". For memory-limited
+- systems, choose "N". If in doubt, choose "Y".
++ This option will enable support for the Realtek mac80211-based
++ wireless drivers. Drivers rtl8192ce, rtl8192cu, rtl8192se, rtl8192de,
++ rtl8723eu, and rtl8188eu share some common code.
++
++if RTL_CARDS
+
+ config RTL8192CE
+ tristate "Realtek RTL8192CE/RTL8188CE Wireless Network Adapter"
+ depends on m
+- depends on RTLWIFI && PCI
++ depends on PCI
+ select RTL8192C_COMMON
++ select RTLWIFI
++ select RTLWIFI_PCI
+ ---help---
+ This is the driver for Realtek RTL8192CE/RTL8188CE 802.11n PCIe
+ wireless network adapters.
+@@ -33,7 +26,9 @@ config RTL8192CE
+ config RTL8192SE
+ tristate "Realtek RTL8192SE/RTL8191SE PCIe Wireless Network Adapter"
+ depends on m
+- depends on RTLWIFI && PCI
++ depends on PCI
++ select RTLWIFI
++ select RTLWIFI_PCI
+ ---help---
+ This is the driver for Realtek RTL8192SE/RTL8191SE 802.11n PCIe
+ wireless network adapters.
+@@ -43,7 +38,9 @@ config RTL8192SE
+ config RTL8192DE
+ tristate "Realtek RTL8192DE/RTL8188DE PCIe Wireless Network Adapter"
+ depends on m
+- depends on RTLWIFI && PCI
++ depends on PCI
++ select RTLWIFI
++ select RTLWIFI_PCI
+ ---help---
+ This is the driver for Realtek RTL8192DE/RTL8188DE 802.11n PCIe
+ wireless network adapters.
+@@ -53,7 +50,9 @@ config RTL8192DE
+ config RTL8723AE
+ tristate "Realtek RTL8723AE PCIe Wireless Network Adapter"
+ depends on m
+- depends on RTLWIFI && PCI
++ depends on PCI
++ select RTLWIFI
++ select RTLWIFI_PCI
+ ---help---
+ This is the driver for Realtek RTL8723AE 802.11n PCIe
+ wireless network adapters.
+@@ -63,7 +62,9 @@ config RTL8723AE
+ config RTL8188EE
+ tristate "Realtek RTL8188EE Wireless Network Adapter"
+ depends on m
+- depends on RTLWIFI && PCI
++ depends on PCI
++ select RTLWIFI
++ select RTLWIFI_PCI
+ ---help---
+ This is the driver for Realtek RTL8188EE 802.11n PCIe
+ wireless network adapters.
+@@ -73,7 +74,9 @@ config RTL8188EE
+ config RTL8192CU
+ tristate "Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter"
+ depends on m
+- depends on RTLWIFI && USB
++ depends on USB
++ select RTLWIFI
++ select RTLWIFI_USB
+ select RTL8192C_COMMON
+ ---help---
+ This is the driver for Realtek RTL8192CU/RTL8188CU 802.11n USB
+@@ -81,8 +84,32 @@ config RTL8192CU
+
+ If you choose to build it as a module, it will be called rtl8192cu
+
++config RTLWIFI
++ tristate "Realtek common driver part"
++ depends on m
++ select BACKPORT_FW_LOADER
++
++config RTLWIFI_PCI
++ depends on m
++ tristate
++
++config RTLWIFI_USB
++ depends on m
++ tristate
++
++config RTLWIFI_DEBUG
++ bool "Debugging output for rtlwifi driver family"
++ depends on RTLWIFI
++ default y
++ ---help---
++ To use the module option that sets the dynamic-debugging level for,
++ the front-end driver, this parameter must be "Y". For memory-limited
++ systems, choose "N". If in doubt, choose "Y".
++
+ config RTL8192C_COMMON
+ tristate
+ depends on m
+ depends on RTL8192CE || RTL8192CU
+ default m
++
++endif
+--- a/drivers/net/wireless/rtlwifi/Makefile
++++ b/drivers/net/wireless/rtlwifi/Makefile
+@@ -12,13 +12,11 @@ rtlwifi-objs := \
+
+ rtl8192c_common-objs += \
+
+-ifneq ($(CONFIG_PCI),)
+-rtlwifi-objs += pci.o
+-endif
++obj-$(CPTCFG_RTLWIFI_PCI) += rtl_pci.o
++rtl_pci-objs := pci.o
+
+-ifneq ($(CONFIG_USB),)
+-rtlwifi-objs += usb.o
+-endif
++obj-$(CPTCFG_RTLWIFI_USB) += rtl_usb.o
++rtl_usb-objs := usb.o
+
+ obj-$(CPTCFG_RTL8192C_COMMON) += rtl8192c/
+ obj-$(CPTCFG_RTL8192CE) += rtl8192ce/
+--- a/drivers/net/wireless/rtlwifi/base.c
++++ b/drivers/net/wireless/rtlwifi/base.c
+@@ -173,6 +173,7 @@ u8 rtl_tid_to_ac(u8 tid)
+ {
+ return tid_to_ac[tid];
+ }
++EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
+
+ static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
+ struct ieee80211_sta_ht_cap *ht_cap)
+@@ -407,6 +408,7 @@ void rtl_deinit_deferred_work(struct iee
+ cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
+ cancel_delayed_work(&rtlpriv->works.fwevt_wq);
+ }
++EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
+
+ void rtl_init_rfkill(struct ieee80211_hw *hw)
+ {
+@@ -440,6 +442,7 @@ void rtl_deinit_rfkill(struct ieee80211_
+ {
+ wiphy_rfkill_stop_polling(hw->wiphy);
+ }
++EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
+
+ int rtl_init_core(struct ieee80211_hw *hw)
+ {
+@@ -490,10 +493,12 @@ int rtl_init_core(struct ieee80211_hw *h
+
+ return 0;
+ }
++EXPORT_SYMBOL_GPL(rtl_init_core);
+
+ void rtl_deinit_core(struct ieee80211_hw *hw)
+ {
+ }
++EXPORT_SYMBOL_GPL(rtl_deinit_core);
+
+ void rtl_init_rx_config(struct ieee80211_hw *hw)
+ {
+@@ -502,6 +507,7 @@ void rtl_init_rx_config(struct ieee80211
+
+ rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
+ }
++EXPORT_SYMBOL_GPL(rtl_init_rx_config);
+
+ /*********************************************************
+ *
+@@ -880,6 +886,7 @@ bool rtl_tx_mgmt_proc(struct ieee80211_h
+
+ return true;
+ }
++EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
+
+ void rtl_get_tcb_desc(struct ieee80211_hw *hw,
+ struct ieee80211_tx_info *info,
+@@ -1053,6 +1060,7 @@ bool rtl_action_proc(struct ieee80211_hw
+
+ return true;
+ }
++EXPORT_SYMBOL_GPL(rtl_action_proc);
+
+ /*should call before software enc*/
+ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
+@@ -1126,6 +1134,7 @@ u8 rtl_is_special_data(struct ieee80211_
+
+ return false;
+ }
++EXPORT_SYMBOL_GPL(rtl_is_special_data);
+
+ /*********************************************************
+ *
+@@ -1301,6 +1310,7 @@ void rtl_beacon_statistic(struct ieee802
+
+ rtlpriv->link_info.bcn_rx_inperiod++;
+ }
++EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
+
+ void rtl_watchdog_wq_callback(void *data)
+ {
+@@ -1794,6 +1804,7 @@ void rtl_recognize_peer(struct ieee80211
+
+ mac->vendor = vendor;
+ }
++EXPORT_SYMBOL_GPL(rtl_recognize_peer);
+
+ /*********************************************************
+ *
+@@ -1850,6 +1861,7 @@ struct attribute_group rtl_attribute_gro
+ .name = "rtlsysfs",
+ .attrs = rtl_sysfs_entries,
+ };
++EXPORT_SYMBOL_GPL(rtl_attribute_group);
+
+ MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
+ MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
+@@ -1857,7 +1869,8 @@ MODULE_AUTHOR("Larry Finger <Larry.FInge
+ MODULE_LICENSE("GPL");
+ MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
+
+-struct rtl_global_var global_var = {};
++struct rtl_global_var rtl_global_var = {};
++EXPORT_SYMBOL_GPL(rtl_global_var);
+
+ static int __init rtl_core_module_init(void)
+ {
+@@ -1865,8 +1878,8 @@ static int __init rtl_core_module_init(v
+ pr_err("Unable to register rtl_rc, use default RC !!\n");
+
+ /* init some global vars */
+- INIT_LIST_HEAD(&global_var.glb_priv_list);
+- spin_lock_init(&global_var.glb_list_lock);
++ INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
++ spin_lock_init(&rtl_global_var.glb_list_lock);
+
+ return 0;
+ }
+--- a/drivers/net/wireless/rtlwifi/base.h
++++ b/drivers/net/wireless/rtlwifi/base.h
+@@ -147,7 +147,7 @@ void rtl_recognize_peer(struct ieee80211
+ u8 rtl_tid_to_ac(u8 tid);
+ extern struct attribute_group rtl_attribute_group;
+ void rtl_easy_concurrent_retrytimer_callback(unsigned long data);
+-extern struct rtl_global_var global_var;
++extern struct rtl_global_var rtl_global_var;
+ int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
+ bool isht, u8 desc_rate, bool first_ampdu);
+ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb);
+--- a/drivers/net/wireless/rtlwifi/core.c
++++ b/drivers/net/wireless/rtlwifi/core.c
+@@ -1330,3 +1330,4 @@ const struct ieee80211_ops rtl_ops = {
+ .rfkill_poll = rtl_op_rfkill_poll,
+ .flush = rtl_op_flush,
+ };
++EXPORT_SYMBOL_GPL(rtl_ops);
+--- a/drivers/net/wireless/rtlwifi/debug.c
++++ b/drivers/net/wireless/rtlwifi/debug.c
+@@ -51,3 +51,4 @@ void rtl_dbgp_flag_init(struct ieee80211
+
+ /*Init Debug flag enable condition */
+ }
++EXPORT_SYMBOL_GPL(rtl_dbgp_flag_init);
+--- a/drivers/net/wireless/rtlwifi/efuse.c
++++ b/drivers/net/wireless/rtlwifi/efuse.c
+@@ -229,6 +229,7 @@ void read_efuse_byte(struct ieee80211_hw
+
+ *pbuf = (u8) (value32 & 0xff);
+ }
++EXPORT_SYMBOL_GPL(read_efuse_byte);
+
+ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
+ {
+--- a/drivers/net/wireless/rtlwifi/pci.c
++++ b/drivers/net/wireless/rtlwifi/pci.c
+@@ -35,6 +35,13 @@
+ #include "efuse.h"
+ #include <linux/export.h>
+ #include <linux/kmemleak.h>
++#include <linux/module.h>
++
++MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
++MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
++MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("PCI basic driver for rtlwifi");
+
+ static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
+ PCI_VENDOR_ID_INTEL,
+@@ -1899,7 +1906,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
+ rtlpriv->rtlhal.interface = INTF_PCI;
+ rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data);
+ rtlpriv->intf_ops = &rtl_pci_ops;
+- rtlpriv->glb_var = &global_var;
++ rtlpriv->glb_var = &rtl_global_var;
+
+ /*
+ *init dbgp flags before all
+--- a/drivers/net/wireless/rtlwifi/ps.c
++++ b/drivers/net/wireless/rtlwifi/ps.c
+@@ -269,6 +269,7 @@ void rtl_ips_nic_on(struct ieee80211_hw
+
+ spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags);
+ }
++EXPORT_SYMBOL_GPL(rtl_ips_nic_on);
+
+ /*for FW LPS*/
+
+@@ -518,6 +519,7 @@ void rtl_swlps_beacon(struct ieee80211_h
+ "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed);
+ }
+ }
++EXPORT_SYMBOL_GPL(rtl_swlps_beacon);
+
+ void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
+ {
+@@ -922,3 +924,4 @@ void rtl_p2p_info(struct ieee80211_hw *h
+ else
+ rtl_p2p_noa_ie(hw, data, len - FCS_LEN);
+ }
++EXPORT_SYMBOL_GPL(rtl_p2p_info);
+--- a/drivers/net/wireless/rtlwifi/usb.c
++++ b/drivers/net/wireless/rtlwifi/usb.c
+@@ -32,6 +32,13 @@
+ #include "ps.h"
+ #include "rtl8192c/fw_common.h"
+ #include <linux/export.h>
++#include <linux/module.h>
++
++MODULE_AUTHOR("lizhaoming <chaoming_li@realsil.com.cn>");
++MODULE_AUTHOR("Realtek WlanFAE <wlanfae@realtek.com>");
++MODULE_AUTHOR("Larry Finger <Larry.FInger@lwfinger.net>");
++MODULE_LICENSE("GPL");
++MODULE_DESCRIPTION("USB basic driver for rtlwifi");
+
+ #define REALTEK_USB_VENQT_READ 0xC0
+ #define REALTEK_USB_VENQT_WRITE 0x40
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -137,7 +137,8 @@ int ath_descdma_setup(struct ath_softc *
+ #define ATH_AGGR_ENCRYPTDELIM 10
+ /* minimum h/w qdepth to be sustained to maximize aggregation */
+ #define ATH_AGGR_MIN_QDEPTH 2
+-#define ATH_AMPDU_SUBFRAME_DEFAULT 32
++/* minimum h/w qdepth for non-aggregated traffic */
++#define ATH_NON_AGGR_MIN_QDEPTH 8
+
+ #define IEEE80211_SEQ_SEQ_SHIFT 4
+ #define IEEE80211_SEQ_MAX 4096
+@@ -174,12 +175,6 @@ int ath_descdma_setup(struct ath_softc *
+
+ #define ATH_TX_COMPLETE_POLL_INT 1000
+
+-enum ATH_AGGR_STATUS {
+- ATH_AGGR_DONE,
+- ATH_AGGR_BAW_CLOSED,
+- ATH_AGGR_LIMITED,
+-};
+-
+ #define ATH_TXFIFO_DEPTH 8
+ struct ath_txq {
+ int mac80211_qnum; /* mac80211 queue number, -1 means not mac80211 Q */
+@@ -212,8 +207,9 @@ struct ath_frame_info {
+ int framelen;
+ enum ath9k_key_type keytype;
+ u8 keyix;
+- u8 retries;
+ u8 rtscts_rate;
++ u8 retries : 7;
++ u8 baw_tracked : 1;
+ };
+
+ struct ath_buf_state {
+@@ -241,6 +237,7 @@ struct ath_buf {
+ struct ath_atx_tid {
+ struct list_head list;
+ struct sk_buff_head buf_q;
++ struct sk_buff_head retry_q;
+ struct ath_node *an;
+ struct ath_atx_ac *ac;
+ unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)];
+@@ -268,6 +265,7 @@ struct ath_node {
+ u8 mpdudensity;
+
+ bool sleeping;
++ bool no_ps_filter;
+
+ #if defined(CPTCFG_MAC80211_DEBUGFS) && defined(CPTCFG_ATH9K_DEBUGFS)
+ struct dentry *node_stat;
+@@ -367,6 +365,7 @@ void ath9k_release_buffered_frames(struc
+ /********/
+
+ struct ath_vif {
++ struct ath_node mcast_node;
+ int av_bslot;
+ bool primary_sta_vif;
+ __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -607,6 +607,28 @@ static ssize_t read_file_xmit(struct fil
+ return retval;
+ }
+
++static ssize_t print_queue(struct ath_softc *sc, struct ath_txq *txq,
++ char *buf, ssize_t size)
++{
++ ssize_t len = 0;
++
++ ath_txq_lock(sc, txq);
++
++ len += snprintf(buf + len, size - len, "%s: %d ",
++ "qnum", txq->axq_qnum);
++ len += snprintf(buf + len, size - len, "%s: %2d ",
++ "qdepth", txq->axq_depth);
++ len += snprintf(buf + len, size - len, "%s: %2d ",
++ "ampdu-depth", txq->axq_ampdu_depth);
++ len += snprintf(buf + len, size - len, "%s: %3d ",
++ "pending", txq->pending_frames);
++ len += snprintf(buf + len, size - len, "%s: %d\n",
++ "stopped", txq->stopped);
++
++ ath_txq_unlock(sc, txq);
++ return len;
++}
++
+ static ssize_t read_file_queues(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+ {
+@@ -624,24 +646,13 @@ static ssize_t read_file_queues(struct f
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ txq = sc->tx.txq_map[i];
+- len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
+-
+- ath_txq_lock(sc, txq);
+-
+- len += snprintf(buf + len, size - len, "%s: %d ",
+- "qnum", txq->axq_qnum);
+- len += snprintf(buf + len, size - len, "%s: %2d ",
+- "qdepth", txq->axq_depth);
+- len += snprintf(buf + len, size - len, "%s: %2d ",
+- "ampdu-depth", txq->axq_ampdu_depth);
+- len += snprintf(buf + len, size - len, "%s: %3d ",
+- "pending", txq->pending_frames);
+- len += snprintf(buf + len, size - len, "%s: %d\n",
+- "stopped", txq->stopped);
+-
+- ath_txq_unlock(sc, txq);
++ len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
++ len += print_queue(sc, txq, buf + len, size - len);
+ }
+
++ len += snprintf(buf + len, size - len, "(CAB): ");
++ len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
++
+ if (len > size)
+ len = size;
+