DRM_KMS_HELPER=
--- a/Kconfig
+++ b/Kconfig
-@@ -31,9 +31,6 @@ source drivers/net/wireless/Kconfig
+@@ -33,9 +33,6 @@ source drivers/net/wireless/Kconfig
source drivers/net/ethernet/Kconfig
source drivers/net/usb/Kconfig
-Index: compat-wireless-2013-06-27/drivers/net/wireless/ath/ath9k/hw.c
-===================================================================
---- compat-wireless-2013-06-27.orig/drivers/net/wireless/ath/ath9k/hw.c 2013-07-25 20:17:32.375285640 +0200
-+++ compat-wireless-2013-06-27/drivers/net/wireless/ath/ath9k/hw.c 2013-07-25 20:19:20.131288207 +0200
-@@ -729,6 +729,7 @@
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -729,6 +729,7 @@ int ath9k_hw_init(struct ath_hw *ah)
case AR9300_DEVID_AR9462:
case AR9485_DEVID_AR1111:
case AR9300_DEVID_AR9565:
break;
default:
if (common->bus_ops->ath_bus_type == ATH_USB)
-Index: compat-wireless-2013-06-27/drivers/net/wireless/ath/ath9k/hw.h
-===================================================================
---- compat-wireless-2013-06-27.orig/drivers/net/wireless/ath/ath9k/hw.h 2013-07-25 20:17:32.375285640 +0200
-+++ compat-wireless-2013-06-27/drivers/net/wireless/ath/ath9k/hw.h 2013-07-25 20:19:01.095287753 +0200
+--- a/drivers/net/wireless/ath/ath9k/hw.h
++++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -52,6 +52,7 @@
#define AR9300_DEVID_QCA955X 0x0038
#define AR9485_DEVID_AR1111 0x0037
#define AR5416_AR9100_DEVID 0x000b
-Index: compat-wireless-2013-06-27/drivers/net/wireless/ath/ath9k/pci.c
-===================================================================
---- compat-wireless-2013-06-27.orig/drivers/net/wireless/ath/ath9k/pci.c 2013-06-30 16:34:53.000000000 +0200
-+++ compat-wireless-2013-06-27/drivers/net/wireless/ath/ath9k/pci.c 2013-07-25 20:19:41.815288724 +0200
-@@ -139,6 +139,7 @@
+--- a/drivers/net/wireless/ath/ath9k/pci.c
++++ b/drivers/net/wireless/ath/ath9k/pci.c
+@@ -139,6 +139,7 @@ static DEFINE_PCI_DEVICE_TABLE(ath_pci_i
{ PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E AR9462 */
{ PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E AR1111/AR9485 */
{ PCI_VDEVICE(ATHEROS, 0x0036) }, /* PCI-E AR9565 */
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2847,7 +2847,7 @@ void ath9k_hw_apply_txpower(struct ath_h
+@@ -2848,7 +2848,7 @@ void ath9k_hw_apply_txpower(struct ath_h
channel = chan->chan;
chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER);
new_pwr = min_t(int, chan_pwr, reg->power_limit);
debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -499,6 +499,12 @@ enum {
+@@ -500,6 +500,12 @@ enum {
ATH9K_RESET_COLD,
};
struct ath9k_hw_version {
u32 magic;
u16 devid;
-@@ -777,6 +783,8 @@ struct ath_hw {
+@@ -778,6 +784,8 @@ struct ath_hw {
u32 rfkill_polarity;
u32 ah_flags;
bool reset_power_on;
bool htc_reset_init;
-@@ -1027,6 +1035,7 @@ void ath9k_hw_set_sta_beacon_timers(stru
+@@ -1028,6 +1036,7 @@ void ath9k_hw_set_sta_beacon_timers(stru
bool ath9k_hw_check_alive(struct ath_hw *ah);
bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode);
void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1853,6 +1853,20 @@ fail:
+@@ -1854,6 +1854,20 @@ fail:
return -EINVAL;
}
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
struct ath9k_hw_cal_data *caldata, bool fastcc)
{
-@@ -2055,6 +2069,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
+@@ -2056,6 +2070,7 @@ int ath9k_hw_reset(struct ath_hw *ah, st
}
ath9k_hw_apply_gpio_override(ah);
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -2448,17 +2448,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
+@@ -2449,17 +2449,25 @@ int ath9k_hw_fill_cap_info(struct ath_hw
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
AR_SREV_9285(ah) ||
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
-@@ -947,6 +947,8 @@ struct ath_hw {
+@@ -948,6 +948,8 @@ struct ath_hw {
bool is_clk_25mhz;
int (*get_mac_revision)(void);
int (*external_reset)(void);
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -1328,7 +1328,7 @@ void ath_tx_aggr_stop(struct ath_softc *
+@@ -672,7 +672,7 @@ 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);
+ }
+
+@@ -848,6 +848,7 @@ static struct ath_buf *
+ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
+ 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;
+@@ -874,6 +875,16 @@ ath_tx_get_tid_subframe(struct ath_softc
+ continue;
+ }
+
++ 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;
+
+@@ -893,8 +904,6 @@ ath_tx_get_tid_subframe(struct ath_softc
+ continue;
+ }
+
+- bf->bf_next = NULL;
+- bf->bf_lastbf = bf;
+ return bf;
+ }
+
+@@ -1328,7 +1337,7 @@ void ath_tx_aggr_stop(struct ath_softc *
ath_txq_lock(sc, txq);
txtid->active = false;
ath_tx_flush_tid(sc, txtid);
ath_txq_unlock_complete(sc, txq);
}
+@@ -2397,8 +2406,7 @@ 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);
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1403,9 +1403,6 @@ 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;
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -520,7 +520,8 @@ 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
+++ /dev/null
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -672,7 +672,7 @@ 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);
- }
-
-@@ -848,6 +848,7 @@ static struct ath_buf *
- ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
- 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;
-@@ -874,6 +875,16 @@ ath_tx_get_tid_subframe(struct ath_softc
- continue;
- }
-
-+ 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;
-
-@@ -893,58 +904,45 @@ ath_tx_get_tid_subframe(struct ath_softc
- 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;
-+ 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;
- struct ieee80211_tx_info *tx_info;
- struct ath_frame_info *fi;
- struct sk_buff *skb;
-- struct sk_buff_head *tid_q;
-+ bool closed = false;
-
-- do {
-- bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
-- 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;
-- ath_set_rates(tid->an->vif, tid->an->sta, bf);
-- aggr_limit = ath_lookup_rate(sc, bf, tid);
-- }
--
- /* 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) {
-- status = ATH_AGGR_LIMITED;
-+ ath_lookup_legacy(bf) || nframes >= h_baw)
- break;
-- }
-
- tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
-- if (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
-+ if ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
-+ !(tx_info->flags & IEEE80211_TX_CTL_AMPDU))
- break;
- }
-
-@@ -974,11 +972,26 @@ static enum ATH_AGGR_STATUS ath_tx_form_
-
- bf_prev = bf;
-
-+ 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
- }
-
-@@ -1239,14 +1252,45 @@ static void ath_tx_fill_desc(struct ath_
- }
- }
-
-+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 = bf_first, *bf_prev = NULL;
-+ struct sk_buff *skb;
-+ int nframes = 0;
-+
-+ do {
-+ skb = bf->bf_mpdu;
-+
-+ nframes++;
-+ __skb_unlink(skb, tid_q);
-+ list_add_tail(&bf->list, bf_q);
-+ if (bf_prev)
-+ bf_prev->bf_next = bf;
-+ bf_prev = bf;
-+
-+ if (nframes >= 2)
-+ break;
-+
-+ bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
-+ if (!bf)
-+ break;
-+
-+ ath_set_rates(tid->an->vif, tid->an->sta, bf);
-+ } while (1);
-+}
-+
- static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
- struct ath_atx_tid *tid)
- {
- struct ath_buf *bf;
-- enum ATH_AGGR_STATUS status;
- struct ieee80211_tx_info *tx_info;
-+ struct sk_buff_head *tid_q;
- struct list_head bf_q;
-- int aggr_len;
-+ int aggr_len = 0;
-+ bool aggr, last = true;
-
- do {
- if (!ath_tid_has_buffered(tid))
-@@ -1254,38 +1298,31 @@ static void ath_tx_sched_aggr(struct ath
-
- INIT_LIST_HEAD(&bf_q);
-
-- status = ath_tx_form_aggr(sc, txq, tid, &bf_q, &aggr_len);
--
-- /*
-- * 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);
-+ 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))
-+ break;
-+
-+ 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 (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;
-- }
--
-- /* 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);
- }
-
- 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);
-+ } while (!last);
- }
-
- int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
-@@ -1844,58 +1881,6 @@ 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 ((ath_tid_has_buffered(tid) || 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) {
-- ath_txq_skb_done(sc, txq, skb);
-- 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);
--
-- /* 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)
- {
-@@ -2121,20 +2106,25 @@ 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)) {
-+ } 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;
- }
-
-@@ -2397,8 +2387,7 @@ 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);
-@@ -2628,6 +2617,7 @@ 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/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -137,6 +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
-+/* 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
-@@ -173,12 +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 */
---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1403,9 +1403,6 @@ 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;
+++ /dev/null
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -1282,8 +1282,8 @@ ath_tx_form_burst(struct ath_softc *sc,
- } while (1);
- }
-
--static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
-- struct ath_atx_tid *tid)
-+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;
-@@ -1292,37 +1292,36 @@ static void ath_tx_sched_aggr(struct ath
- int aggr_len = 0;
- bool aggr, last = true;
-
-- do {
-- if (!ath_tid_has_buffered(tid))
-- return;
--
-- INIT_LIST_HEAD(&bf_q);
-+ if (!ath_tid_has_buffered(tid))
-+ return false;
-
-- bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
-- if (!bf)
-- break;
--
-- 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))
-- break;
-+ INIT_LIST_HEAD(&bf_q);
-
-- 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);
-+ 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))
-+ 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 (tid->ac->clear_ps_filter) {
-- tid->ac->clear_ps_filter = false;
-- tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
-- }
-+ if (tid->ac->clear_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 (!last);
-+ 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,
-@@ -1754,8 +1753,9 @@ 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) ||
-@@ -1764,15 +1764,17 @@ void ath_txq_schedule(struct ath_softc *
-
- 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);
-@@ -1781,7 +1783,8 @@ 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
-@@ -1790,8 +1793,7 @@ void ath_txq_schedule(struct ath_softc *
- 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;
- }
-
-@@ -1800,9 +1802,17 @@ 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();
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -2637,6 +2637,7 @@ 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);
+ }
+++ /dev/null
---- a/drivers/net/wireless/ath/ath9k/ath9k.h
-+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
-@@ -265,6 +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;
-@@ -364,6 +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/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -971,6 +971,8 @@ 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);
-
-@@ -984,6 +986,12 @@ 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;
- }
-@@ -1021,6 +1029,7 @@ 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");
-
-@@ -1035,6 +1044,8 @@ 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);
- }
-
---- a/drivers/net/wireless/ath/ath9k/xmit.c
-+++ b/drivers/net/wireless/ath/ath9k/xmit.c
-@@ -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);
- }
-@@ -1314,7 +1317,7 @@ static bool ath_tx_sched_aggr(struct ath
- else
- ath_tx_form_burst(sc, txq, tid, &bf_q, bf, tid_q);
-
-- if (tid->ac->clear_ps_filter) {
-+ 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;
- }
-@@ -1500,7 +1503,7 @@ void ath9k_release_buffered_frames(struc
- sent++;
- TX_STAT_INC(txq->axq_qnum, a_queued_hw);
-
-- if (ath_tid_has_buffered(tid))
-+ if (an->sta && ath_tid_has_buffered(tid))
- ieee80211_sta_set_buffered(an->sta, i, false);
- }
- ath_txq_unlock_complete(sc, tid->ac->txq);
-@@ -2033,6 +2036,7 @@ 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;
-@@ -2040,6 +2044,10 @@ 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;
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -198,6 +198,41 @@ static struct sk_buff *ath_tid_dequeue(s
+ 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;
+@@ -212,28 +247,22 @@ static void ath_tx_flush_tid(struct ath_
+
+ memset(&ts, 0, sizeof(ts));
+
+- while ((skb = ath_tid_dequeue(tid))) {
++ 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) {
+- ath_txq_skb_done(sc, txq, skb);
+- ieee80211_free_txskb(sc->hw, skb);
+- continue;
+- }
++ ath_txq_skb_done(sc, txq, skb);
++ ieee80211_free_txskb(sc->hw, skb);
++ continue;
+ }
+
+ if (fi->baw_tracked) {
+- list_add_tail(&bf->list, &bf_head);
+ 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) {
+@@ -911,50 +940,39 @@ ath_tx_get_tid_subframe(struct ath_softc
+ 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;
++ 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;
+ struct ieee80211_tx_info *tx_info;
+ struct ath_frame_info *fi;
+ struct sk_buff *skb;
+- struct sk_buff_head *tid_q;
++ bool closed = false;
+
+- do {
+- bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
+- 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;
+- ath_set_rates(tid->an->vif, tid->an->sta, bf);
+- aggr_limit = ath_lookup_rate(sc, bf, tid);
+- }
+-
+ /* 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) {
+- status = ATH_AGGR_LIMITED;
++ ath_lookup_legacy(bf) || nframes >= h_baw)
+ break;
+- }
+
+ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
+- if (tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)
++ if ((tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) ||
++ !(tx_info->flags & IEEE80211_TX_CTL_AMPDU))
+ break;
+ }
+
+@@ -984,11 +1002,26 @@ static enum ATH_AGGR_STATUS ath_tx_form_
+
+ bf_prev = bf;
+
++ 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
+ }
+
+@@ -1249,14 +1282,50 @@ static void ath_tx_fill_desc(struct ath_
+ }
+ }
+
++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 = bf_first, *bf_prev = NULL;
++ struct sk_buff *skb;
++ int nframes = 0;
++
++ do {
++ struct ieee80211_tx_info *tx_info;
++ skb = bf->bf_mpdu;
++
++ nframes++;
++ __skb_unlink(skb, tid_q);
++ list_add_tail(&bf->list, bf_q);
++ if (bf_prev)
++ bf_prev->bf_next = bf;
++ bf_prev = bf;
++
++ if (nframes >= 2)
++ break;
++
++ bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
++ if (!bf)
++ break;
++
++ tx_info = IEEE80211_SKB_CB(bf->bf_mpdu);
++ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
++ break;
++
++ ath_set_rates(tid->an->vif, tid->an->sta, bf);
++ } while (1);
++}
++
+ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
+ struct ath_atx_tid *tid)
+ {
+ struct ath_buf *bf;
+- enum ATH_AGGR_STATUS status;
+ struct ieee80211_tx_info *tx_info;
++ struct sk_buff_head *tid_q;
+ struct list_head bf_q;
+- int aggr_len;
++ int aggr_len = 0;
++ bool aggr, last = true;
+
+ do {
+ if (!ath_tid_has_buffered(tid))
+@@ -1264,38 +1333,34 @@ static void ath_tx_sched_aggr(struct ath
+
+ INIT_LIST_HEAD(&bf_q);
+
+- status = ath_tx_form_aggr(sc, txq, tid, &bf_q, &aggr_len);
+-
+- /*
+- * 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);
++ 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))
++ break;
++
++ 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;
+
+ 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;
+- }
+-
+- /* 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);
+ }
+
+ 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);
++ } while (!last);
+ }
+
+ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+@@ -1319,6 +1384,9 @@ 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;
+@@ -1340,6 +1408,7 @@ void ath_tx_aggr_stop(struct ath_softc *
+ txtid->active = false;
+ txtid->paused = false;
+ ath_tx_flush_tid(sc, txtid);
++ ath_tx_tid_change_state(sc, txtid);
+ ath_txq_unlock_complete(sc, txq);
+ }
+
+@@ -1854,58 +1923,6 @@ 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 ((ath_tid_has_buffered(tid) || 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) {
+- ath_txq_skb_done(sc, txq, skb);
+- 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);
+-
+- /* 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)
+ {
+@@ -2131,20 +2148,25 @@ 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)) {
++ } 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;
+ }
+
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -137,6 +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
++/* 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
+@@ -173,12 +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 */
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -1317,8 +1317,8 @@ ath_tx_form_burst(struct ath_softc *sc,
+ } while (1);
+ }
+
+-static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
+- struct ath_atx_tid *tid)
++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;
+@@ -1327,40 +1327,39 @@ static void ath_tx_sched_aggr(struct ath
+ int aggr_len = 0;
+ bool aggr, last = true;
+
+- do {
+- if (!ath_tid_has_buffered(tid))
+- return;
+-
+- INIT_LIST_HEAD(&bf_q);
+-
+- bf = ath_tx_get_tid_subframe(sc, txq, tid, &tid_q);
+- if (!bf)
+- break;
++ if (!ath_tid_has_buffered(tid))
++ 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))
+- break;
++ INIT_LIST_HEAD(&bf_q);
+
+- 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);
++ 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))
++ 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;
++ if (list_empty(&bf_q))
++ return false;
+
+- if (tid->ac->clear_ps_filter) {
+- tid->ac->clear_ps_filter = false;
+- tx_info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+- }
++ if (tid->ac->clear_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 (!last);
++ 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,
+@@ -1796,8 +1795,9 @@ 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) ||
+@@ -1806,15 +1806,17 @@ void ath_txq_schedule(struct ath_softc *
+
+ 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);
+@@ -1823,7 +1825,8 @@ 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
+@@ -1832,8 +1835,7 @@ void ath_txq_schedule(struct ath_softc *
+ 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;
+ }
+
+@@ -1842,9 +1844,17 @@ 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();
--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -265,6 +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;
+@@ -364,6 +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/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -971,6 +971,8 @@ 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);
+
+@@ -984,6 +986,12 @@ 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;
+ }
+@@ -1021,6 +1029,7 @@ 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");
+
+@@ -1035,6 +1044,8 @@ 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);
+ }
+
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -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);
+ }
+@@ -1352,7 +1355,7 @@ static bool ath_tx_sched_aggr(struct ath
+ if (list_empty(&bf_q))
+ return false;
+
+- if (tid->ac->clear_ps_filter) {
++ 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;
+ }
+@@ -1542,7 +1545,7 @@ void ath9k_release_buffered_frames(struc
+ sent++;
+ TX_STAT_INC(txq->axq_qnum, a_queued_hw);
+
+- if (ath_tid_has_buffered(tid))
++ if (an->sta && ath_tid_has_buffered(tid))
+ ieee80211_sta_set_buffered(an->sta, i, false);
+ }
+ ath_txq_unlock_complete(sc, tid->ac->txq);
+@@ -2075,6 +2078,7 @@ 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;
+@@ -2082,6 +2086,10 @@ 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;
projects / openwrt.git / commitdiff