13 files changed, 141 insertions, 375 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index d9bcc3abb425..2a40fa2cd914 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -198,18 +198,8 @@ struct ath_txq {
         struct list_head axq_q;
         spinlock_t axq_lock;
         u32 axq_depth;
-        u8 axq_aggr_depth;
         bool stopped;
         bool axq_tx_inprogress;
-        struct ath_buf *axq_linkbuf;
-
-        /* first desc of the last descriptor that contains CTS */
-        struct ath_desc *axq_lastdsWithCTS;
-
-        /* final desc of the gating desc that determines whether
-           lastdsWithCTS has been DMA'ed or not */
-        struct ath_desc *axq_gatingds;
-
         struct list_head axq_acq;
 };
 
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 2f1e1612e2ad..4a13632e3e4d 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -231,26 +231,35 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
 {
         struct ath_hw *ah = common->ah;
         struct ieee80211_hdr *hdr;
-        int hdrlen, padsize;
+        int hdrlen, padpos, padsize;
         u8 keyix;
         __le16 fc;
 
         /* see if any padding is done by the hw and remove it */
         hdr = (struct ieee80211_hdr *) skb->data;
         hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+        padpos = 24;
         fc = hdr->frame_control;
+        if ((fc & cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) ==
+            cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) {
+          padpos += 6; /* ETH_ALEN */
+        }
+        if ((fc & cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FCTL_FTYPE)) ==
+            cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) {
+          padpos += 2;
+        }
 
         /* The MAC header is padded to have 32-bit boundary if the
          * packet payload is non-zero. The general calculation for
          * padsize would take into account odd header lengths:
-         * padsize = (4 - hdrlen % 4) % 4; However, since only
+         * padsize = (4 - padpos % 4) % 4; However, since only
          * even-length headers are used, padding can only be 0 or 2
          * bytes and we can optimize this a bit. In addition, we must
          * not try to remove padding from short control frames that do
          * not have payload. */
-        padsize = hdrlen & 3;
-        if (padsize && hdrlen >= 24) {
-                memmove(skb->data + padsize, skb->data, hdrlen);
+        padsize = padpos & 3;
+        if (padsize && skb->len>=padpos+padsize+FCS_LEN) {
+                memmove(skb->data + padsize, skb->data, padpos);
                 skb_pull(skb, padsize);
         }
 
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 292e3d860c0e..4e1176029356 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -81,6 +81,7 @@ struct ath_buf {
         u16 bf_flags;
         struct ath_buf_state bf_state;
         dma_addr_t bf_dmacontext;
+        struct ath_wiphy *aphy;
 };
 
 struct ath_atx_tid {
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 84f44269de47..06f1fcfb03e9 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -257,14 +257,17 @@ static const struct file_operations fops_interrupt = {
 
 void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
 {
-        struct ath_tx_info_priv *tx_info_priv = NULL;
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
         struct ieee80211_tx_rate *rates = tx_info->status.rates;
-        int final_ts_idx, idx;
+        int final_ts_idx = 0, idx, i;
         struct ath_rc_stats *stats;
 
-        tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-        final_ts_idx = tx_info_priv->tx.ts_rateindex;
+        for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+                if (!rates[i].count)
+                        break;
+
+                final_ts_idx = i;
+        }
         idx = rates[final_ts_idx].idx;
         stats = &sc->debug.stats.rcstats[idx];
         stats->success++;
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index b25eedf67e0b..53a7b980d8f6 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -390,8 +390,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
         ah->config.cck_trig_high = 200;
         ah->config.cck_trig_low = 100;
         ah->config.enable_ani = 1;
-        ah->config.diversity_control = ATH9K_ANT_VARIABLE;
-        ah->config.antenna_switch_swap = 0;
 
         for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) {
                 ah->config.spurchans[i][0] = AR_NO_SPUR;
@@ -446,9 +444,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
         ah->acktimeout = (u32) -1;
         ah->ctstimeout = (u32) -1;
         ah->globaltxtimeout = (u32) -1;
-
-        ah->gbeacon_rate = 0;
-
         ah->power_mode = ATH9K_PM_UNDEFINED;
 }
 
@@ -1151,7 +1146,7 @@ static void ath9k_hw_init_chain_masks(struct ath_hw *ah)
                 REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
                             AR_PHY_SWAP_ALT_CHAIN);
         case 0x3:
-                if (((ah)->hw_version.macVersion <= AR_SREV_VERSION_9160)) {
+                if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
                         REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
                         REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
                         break;
@@ -2056,9 +2051,6 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
         ah->ath9k_hw_spur_mitigate_freq(ah, chan);
         ah->eep_ops->set_board_values(ah, chan);
 
-        if (AR_SREV_5416(ah))
-                ath9k_hw_decrease_chain_power(ah, chan);
-
         REG_WRITE(ah, AR_STA_ID0, get_unaligned_le32(common->macaddr));
         REG_WRITE(ah, AR_STA_ID1, get_unaligned_le16(common->macaddr + 4)
                   | macStaId1
@@ -3518,51 +3510,6 @@ void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna)
 }
 EXPORT_SYMBOL(ath9k_hw_setantenna);
 
-bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
-                               enum ath9k_ant_setting settings,
-                               struct ath9k_channel *chan,
-                               u8 *tx_chainmask,
-                               u8 *rx_chainmask,
-                               u8 *antenna_cfgd)
-{
-        static u8 tx_chainmask_cfg, rx_chainmask_cfg;
-
-        if (AR_SREV_9280(ah)) {
-                if (!tx_chainmask_cfg) {
-
-                        tx_chainmask_cfg = *tx_chainmask;
-                        rx_chainmask_cfg = *rx_chainmask;
-                }
-
-                switch (settings) {
-                case ATH9K_ANT_FIXED_A:
-                        *tx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
-                        *rx_chainmask = ATH9K_ANTENNA0_CHAINMASK;
-                        *antenna_cfgd = true;
-                        break;
-                case ATH9K_ANT_FIXED_B:
-                        if (ah->caps.tx_chainmask >
-                            ATH9K_ANTENNA1_CHAINMASK) {
-                                *tx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
-                        }
-                        *rx_chainmask = ATH9K_ANTENNA1_CHAINMASK;
-                        *antenna_cfgd = true;
-                        break;
-                case ATH9K_ANT_VARIABLE:
-                        *tx_chainmask = tx_chainmask_cfg;
-                        *rx_chainmask = rx_chainmask_cfg;
-                        *antenna_cfgd = true;
-                        break;
-                default:
-                        break;
-                }
-        } else {
-                ah->config.diversity_control = settings;
-        }
-
-        return true;
-}
-
 /*********************/
 /* General Operation */
 /*********************/
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index abaa2f09a3bc..f8f5e997162c 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -148,21 +148,6 @@ enum wireless_mode {
         ATH9K_MODE_MAX,
 };
 
-/**
- * ath9k_ant_setting - transmit antenna settings
- *
- * Configures the antenna setting to use for transmit.
- *
- * @ATH9K_ANT_VARIABLE: this means transmit on all active antennas
- * @ATH9K_ANT_FIXED_A: this means transmit on the first antenna only
- * @ATH9K_ANT_FIXED_B: this means transmit on the second antenna only
- */
-enum ath9k_ant_setting {
-        ATH9K_ANT_VARIABLE = 0,
-        ATH9K_ANT_FIXED_A,
-        ATH9K_ANT_FIXED_B
-};
-
 enum ath9k_hw_caps {
         ATH9K_HW_CAP_MIC_AESCCM                 = BIT(0),
         ATH9K_HW_CAP_MIC_CKIP                   = BIT(1),
@@ -226,8 +211,6 @@ struct ath9k_ops_config {
         u32 cck_trig_high;
         u32 cck_trig_low;
         u32 enable_ani;
-        enum ath9k_ant_setting diversity_control;
-        u16 antenna_switch_swap;
         int serialize_regmode;
         bool intr_mitigation;
 #define SPUR_DISABLE            0
@@ -572,7 +555,6 @@ struct ath_hw {
         u32 acktimeout;
         u32 ctstimeout;
         u32 globaltxtimeout;
-        u8 gbeacon_rate;
 
         /* ANI */
         u32 proc_phyerr;
@@ -659,11 +641,6 @@ void ath9k_hw_cfg_output(struct ath_hw *ah, u32 gpio,
 void ath9k_hw_set_gpio(struct ath_hw *ah, u32 gpio, u32 val);
 u32 ath9k_hw_getdefantenna(struct ath_hw *ah);
 void ath9k_hw_setantenna(struct ath_hw *ah, u32 antenna);
-bool ath9k_hw_setantennaswitch(struct ath_hw *ah,
-                               enum ath9k_ant_setting settings,
-                               struct ath9k_channel *chan,
-                               u8 *tx_chainmask, u8 *rx_chainmask,
-                               u8 *antenna_cfgd);
 
 /* General Operation */
 bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 3c02b977a613..cbf5d2a1bb26 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1893,6 +1893,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
                 BIT(NL80211_IFTYPE_ADHOC) |
                 BIT(NL80211_IFTYPE_MESH_POINT);
 
+        hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
         hw->queues = 4;
         hw->max_rates = 4;
         hw->channel_change_time = 5000;
@@ -2956,90 +2958,62 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
         struct ath_hw *ah = sc->sc_ah;
         struct ath_common *common = ath9k_hw_common(ah);
         struct ath_vif *avp = (void *)vif->drv_priv;
-        u32 rfilt = 0;
-        int error, i;
+        int error;
 
         mutex_lock(&sc->mutex);
 
-        /*
-         * TODO: Need to decide which hw opmode to use for
-         *       multi-interface cases
-         * XXX: This belongs into add_interface!
-         */
-        if (vif->type == NL80211_IFTYPE_AP &&
-            ah->opmode != NL80211_IFTYPE_AP) {
-                ah->opmode = NL80211_IFTYPE_STATION;
-                ath9k_hw_setopmode(ah);
-                memcpy(common->curbssid, common->macaddr, ETH_ALEN);
+        if (changed & BSS_CHANGED_BSSID) {
+                /* Set BSSID */
+                memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
+                memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
                 common->curaid = 0;
                 ath9k_hw_write_associd(ah);
-                /* Request full reset to get hw opmode changed properly */
-                sc->sc_flags |= SC_OP_FULL_RESET;
-        }
 
-        if ((changed & BSS_CHANGED_BSSID) &&
-            !is_zero_ether_addr(bss_conf->bssid)) {
-                switch (vif->type) {
-                case NL80211_IFTYPE_STATION:
-                case NL80211_IFTYPE_ADHOC:
-                case NL80211_IFTYPE_MESH_POINT:
-                        /* Set BSSID */
-                        memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
-                        memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
-                        common->curaid = 0;
-                        ath9k_hw_write_associd(ah);
+                /* Set aggregation protection mode parameters */
+                sc->config.ath_aggr_prot = 0;
 
-                        /* Set aggregation protection mode parameters */
-                        sc->config.ath_aggr_prot = 0;
+                /* Only legacy IBSS for now */
+                if (vif->type == NL80211_IFTYPE_ADHOC)
+                        ath_update_chainmask(sc, 0);
 
-                        ath_print(common, ATH_DBG_CONFIG,
-                                  "RX filter 0x%x bssid %pM aid 0x%x\n",
-                                  rfilt, common->curbssid, common->curaid);
+                ath_print(common, ATH_DBG_CONFIG,
+                          "BSSID: %pM aid: 0x%x\n",
+                          common->curbssid, common->curaid);
 
-                        /* need to reconfigure the beacon */
-                        sc->sc_flags &= ~SC_OP_BEACONS ;
+                /* need to reconfigure the beacon */
+                sc->sc_flags &= ~SC_OP_BEACONS ;
+        }
 
-                        break;
-                default:
-                        break;
-                }
+        /* Enable transmission of beacons (AP, IBSS, MESH) */
+        if ((changed & BSS_CHANGED_BEACON) ||
+            ((changed & BSS_CHANGED_BEACON_ENABLED) && bss_conf->enable_beacon)) {
+                ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+                error = ath_beacon_alloc(aphy, vif);
+                if (!error)
+                        ath_beacon_config(sc, vif);
         }
 
-        if ((vif->type == NL80211_IFTYPE_ADHOC) ||
-            (vif->type == NL80211_IFTYPE_AP) ||
-            (vif->type == NL80211_IFTYPE_MESH_POINT)) {
-                if ((changed & BSS_CHANGED_BEACON) ||
-                    (changed & BSS_CHANGED_BEACON_ENABLED &&
-                     bss_conf->enable_beacon)) {
-                        /*
-                         * Allocate and setup the beacon frame.
-                         *
-                         * Stop any previous beacon DMA.  This may be
-                         * necessary, for example, when an ibss merge
-                         * causes reconfiguration; we may be called
-                         * with beacon transmission active.
-                         */
-                        ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
+        /* Disable transmission of beacons */
+        if ((changed & BSS_CHANGED_BEACON_ENABLED) && !bss_conf->enable_beacon)
+                ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
 
+        if (changed & BSS_CHANGED_BEACON_INT) {
+                sc->beacon_interval = bss_conf->beacon_int;
+                /*
+                 * In case of AP mode, the HW TSF has to be reset
+                 * when the beacon interval changes.
+                 */
+                if (vif->type == NL80211_IFTYPE_AP) {
+                        sc->sc_flags |= SC_OP_TSF_RESET;
+                        ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
                         error = ath_beacon_alloc(aphy, vif);
                         if (!error)
                                 ath_beacon_config(sc, vif);
+                } else {
+                        ath_beacon_config(sc, vif);
                 }
         }
 
-        /* Check for WLAN_CAPABILITY_PRIVACY ? */
-        if ((avp->av_opmode != NL80211_IFTYPE_STATION)) {
-                for (i = 0; i < IEEE80211_WEP_NKID; i++)
-                        if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
-                                ath9k_hw_keysetmac(sc->sc_ah,
-                                                   (u16)i,
-                                                   common->curbssid);
-        }
-
-        /* Only legacy IBSS for now */
-        if (vif->type == NL80211_IFTYPE_ADHOC)
-                ath_update_chainmask(sc, 0);
-
         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
                 ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
                           bss_conf->use_short_preamble);
@@ -3065,18 +3039,6 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
                 ath9k_bss_assoc_info(sc, vif, bss_conf);
         }
 
-        /*
-         * The HW TSF has to be reset when the beacon interval changes.
-         * We set the flag here, and ath_beacon_config_ap() would take this
-         * into account when it gets called through the subsequent
-         * config_interface() call - with IFCC_BEACON in the changed field.
-         */
-
-        if (changed & BSS_CHANGED_BEACON_INT) {
-                sc->sc_flags |= SC_OP_TSF_RESET;
-                sc->beacon_interval = bss_conf->beacon_int;
-        }
-
         mutex_unlock(&sc->mutex);
 }
 
@@ -3118,6 +3080,7 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw)
 }
 
 static int ath9k_ampdu_action(struct ieee80211_hw *hw,
+                              struct ieee80211_vif *vif,
                               enum ieee80211_ampdu_mlme_action action,
                               struct ieee80211_sta *sta,
                               u16 tid, u16 *ssn)
@@ -3135,11 +3098,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
                 break;
         case IEEE80211_AMPDU_TX_START:
                 ath_tx_aggr_start(sc, sta, tid, ssn);
-                ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+                ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
                 break;
         case IEEE80211_AMPDU_TX_STOP:
                 ath_tx_aggr_stop(sc, sta, tid);
-                ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+                ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
                 break;
         case IEEE80211_AMPDU_TX_OPERATIONAL:
                 ath_tx_aggr_resume(sc, sta, tid);
diff --git a/drivers/net/wireless/ath/ath9k/phy.c b/drivers/net/wireless/ath/ath9k/phy.c
index 13ab4d7eb7aa..c3b59390fe38 100644
--- a/drivers/net/wireless/ath/ath9k/phy.c
+++ b/drivers/net/wireless/ath/ath9k/phy.c
@@ -528,95 +528,6 @@ static void ath9k_hw_force_bias(struct ath_hw *ah, u16 synth_freq)
 }
 
 /**
- * ath9k_hw_decrease_chain_power()
- *
- * @ah: atheros hardware structure
- * @chan:
- *
- * Only used on the AR5416 and AR5418 with the external AR2133/AR5133 radios.
- *
- * Sets a chain internal RF path to the lowest output power. Any
- * further writes to bank6 after this setting will override these
- * changes. Thus this function must be the last function in the
- * sequence to modify bank 6.
- *
- * This function must be called after ar5416SetRfRegs() which is
- * called from ath9k_hw_process_ini() due to swizzling of bank 6.
- * Depends on ah->analogBank6Data being initialized by
- * ath9k_hw_set_rf_regs()
- *
- * Additional additive reduction in power -
- * change chain's switch table so chain's tx state is actually the rx
- * state value. May produce different results in 2GHz/5GHz as well as
- * board to board but in general should be a reduction.
- *
- * Activated by #ifdef ALTER_SWITCH.  Not tried yet.  If so, must be
- * called after ah->eep_ops->set_board_values() due to RMW of
- * PHY_SWITCH_CHAIN_0.
- */
-void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
-                                   struct ath9k_channel *chan)
-{
-        int i, regWrites = 0;
-        u32 bank6SelMask;
-        u32 *bank6Temp = ah->bank6Temp;
-
-        BUG_ON(AR_SREV_9280_10_OR_LATER(ah));
-
-        switch (ah->config.diversity_control) {
-        case ATH9K_ANT_FIXED_A:
-                bank6SelMask =
-                    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-                        REDUCE_CHAIN_0 : /* swapped, reduce chain 0 */
-                        REDUCE_CHAIN_1; /* normal, select chain 1/2 to reduce */
-                break;
-        case ATH9K_ANT_FIXED_B:
-                bank6SelMask =
-                    (ah->config.antenna_switch_swap & ANTSWAP_AB) ?
-                        REDUCE_CHAIN_1 : /* swapped, reduce chain 1/2 */
-                        REDUCE_CHAIN_0; /* normal, select chain 0 to reduce */
-                break;
-        case ATH9K_ANT_VARIABLE:
-                return; /* do not change anything */
-                break;
-        default:
-                return; /* do not change anything */
-                break;
-        }
-
-        for (i = 0; i < ah->iniBank6.ia_rows; i++)
-                bank6Temp[i] = ah->analogBank6Data[i];
-
-        /* Write Bank 5 to switch Bank 6 write to selected chain only */
-        REG_WRITE(ah, AR_PHY_BASE + 0xD8, bank6SelMask);
-
-        /*
-         * Modify Bank6 selected chain to use lowest amplification.
-         * Modifies the parameters to a value of 1.
-         * Depends on existing bank 6 values to be cached in
-         * ah->analogBank6Data
-         */
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 189, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 190, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 191, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 192, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 193, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 222, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 245, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 246, 0);
-        ath9k_phy_modify_rx_buffer(bank6Temp, 1, 1, 247, 0);
-
-        REG_WRITE_RF_ARRAY(&ah->iniBank6, bank6Temp, regWrites);
-
-        REG_WRITE(ah, AR_PHY_BASE + 0xD8, 0x00000053);
-#ifdef ALTER_SWITCH
-        REG_WRITE(ah, PHY_SWITCH_CHAIN_0,
-                  (REG_READ(ah, PHY_SWITCH_CHAIN_0) & ~0x38)
-                  | ((REG_READ(ah, PHY_SWITCH_CHAIN_0) >> 3) & 0x38));
-#endif
-}
-
-/**
  * ath9k_hw_set_channel - tune to a channel on the external AR2133/AR5133 radios
  * @ah: atheros hardware stucture
  * @chan:
@@ -687,7 +598,6 @@ int ath9k_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
         }
 
         ath9k_hw_force_bias(ah, freq);
-        ath9k_hw_decrease_chain_power(ah, chan);
 
         reg32 =
             (channelSel << 8) | (aModeRefSel << 2) | (bModeSynth << 1) |
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index dc145a135dc7..31de27dc0c4a 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -35,9 +35,6 @@ bool ath9k_hw_set_rf_regs(struct ath_hw *ah,
                           struct ath9k_channel *chan,
                           u16 modesIndex);
 
-void ath9k_hw_decrease_chain_power(struct ath_hw *ah,
-                                   struct ath9k_channel *chan);
-
 #define AR_PHY_BASE     0x9800
 #define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))
 
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index bb72b46567f9..1d96777b4cd2 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -859,12 +859,12 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 static bool ath_rc_update_per(struct ath_softc *sc,
                               const struct ath_rate_table *rate_table,
                               struct ath_rate_priv *ath_rc_priv,
-                              struct ath_tx_info_priv *tx_info_priv,
+                                  struct ieee80211_tx_info *tx_info,
                               int tx_rate, int xretries, int retries,
                               u32 now_msec)
 {
         bool state_change = false;
-        int count;
+        int count, n_bad_frames;
         u8 last_per;
         static u32 nretry_to_per_lookup[10] = {
                 100 * 0 / 1,
@@ -880,6 +880,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
         };
 
         last_per = ath_rc_priv->per[tx_rate];
+        n_bad_frames = tx_info->status.ampdu_len - tx_info->status.ampdu_ack_len;
 
         if (xretries) {
                 if (xretries == 1) {
@@ -907,7 +908,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
                 if (retries >= count)
                         retries = count - 1;
 
-                if (tx_info_priv->n_bad_frames) {
+                if (n_bad_frames) {
                         /* new_PER = 7/8*old_PER + 1/8*(currentPER)
                          * Assuming that n_frames is not 0.  The current PER
                          * from the retries is 100 * retries / (retries+1),
@@ -920,14 +921,14 @@ static bool ath_rc_update_per(struct ath_softc *sc,
                          * the above PER.  The expression below is a
                          * simplified version of the sum of these two terms.
                          */
-                        if (tx_info_priv->n_frames > 0) {
-                                int n_frames, n_bad_frames;
+                        if (tx_info->status.ampdu_len > 0) {
+                                int n_frames, n_bad_tries;
                                 u8 cur_per, new_per;
 
-                                n_bad_frames = retries * tx_info_priv->n_frames +
-                                        tx_info_priv->n_bad_frames;
-                                n_frames = tx_info_priv->n_frames * (retries + 1);
-                                cur_per = (100 * n_bad_frames / n_frames) >> 3;
+                                n_bad_tries = retries * tx_info->status.ampdu_len +
+                                        n_bad_frames;
+                                n_frames = tx_info->status.ampdu_len * (retries + 1);
+                                cur_per = (100 * n_bad_tries / n_frames) >> 3;
                                 new_per = (u8)(last_per - (last_per >> 3) + cur_per);
                                 ath_rc_priv->per[tx_rate] = new_per;
                         }
@@ -943,8 +944,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
                  * this was a probe.  Otherwise, ignore the probe.
                  */
                 if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) {
-                        if (retries > 0 || 2 * tx_info_priv->n_bad_frames >
-                                tx_info_priv->n_frames) {
+                        if (retries > 0 || 2 * n_bad_frames > tx_info->status.ampdu_len) {
                                 /*
                                  * Since we probed with just a single attempt,
                                  * any retries means the probe failed.  Also,
@@ -1003,7 +1003,7 @@ static bool ath_rc_update_per(struct ath_softc *sc,
 
 static void ath_rc_update_ht(struct ath_softc *sc,
                              struct ath_rate_priv *ath_rc_priv,
-                             struct ath_tx_info_priv *tx_info_priv,
+                             struct ieee80211_tx_info *tx_info,
                              int tx_rate, int xretries, int retries)
 {
         u32 now_msec = jiffies_to_msecs(jiffies);
@@ -1020,7 +1020,7 @@ static void ath_rc_update_ht(struct ath_softc *sc,
 
         /* Update PER first */
         state_change = ath_rc_update_per(sc, rate_table, ath_rc_priv,
-                                         tx_info_priv, tx_rate, xretries,
+                                         tx_info, tx_rate, xretries,
                                          retries, now_msec);
 
         /*
@@ -1098,7 +1098,6 @@ static void ath_rc_tx_status(struct ath_softc *sc,
                              struct ieee80211_tx_info *tx_info,
                              int final_ts_idx, int xretries, int long_retry)
 {
-        struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
         const struct ath_rate_table *rate_table;
         struct ieee80211_tx_rate *rates = tx_info->status.rates;
         u8 flags;
@@ -1124,9 +1123,8 @@ static void ath_rc_tx_status(struct ath_softc *sc,
                                         return;
 
                                 rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-                                ath_rc_update_ht(sc, ath_rc_priv,
-                                                tx_info_priv, rix,
-                                                xretries ? 1 : 2,
+                                ath_rc_update_ht(sc, ath_rc_priv, tx_info,
+                                                rix, xretries ? 1 : 2,
                                                 rates[i].count);
                         }
                 }
@@ -1149,8 +1147,7 @@ static void ath_rc_tx_status(struct ath_softc *sc,
                 return;
 
         rix = ath_rc_get_rateindex(rate_table, &rates[i]);
-        ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix,
-                         xretries, long_retry);
+        ath_rc_update_ht(sc, ath_rc_priv, tx_info, rix, xretries, long_retry);
 }
 
 static const
@@ -1301,23 +1298,30 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
 {
         struct ath_softc *sc = priv;
         struct ath_rate_priv *ath_rc_priv = priv_sta;
-        struct ath_tx_info_priv *tx_info_priv = NULL;
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
         struct ieee80211_hdr *hdr;
-        int final_ts_idx, tx_status = 0, is_underrun = 0;
+        int final_ts_idx = 0, tx_status = 0, is_underrun = 0;
+        int long_retry = 0;
         __le16 fc;
+        int i;
 
         hdr = (struct ieee80211_hdr *)skb->data;
         fc = hdr->frame_control;
-        tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-        final_ts_idx = tx_info_priv->tx.ts_rateindex;
+        for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
+                struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
+                if (!rate->count)
+                        break;
+
+                final_ts_idx = i;
+                long_retry = rate->count - 1;
+        }
 
         if (!priv_sta || !ieee80211_is_data(fc) ||
-            !tx_info_priv->update_rc)
-                goto exit;
+            !(tx_info->pad[0] & ATH_TX_INFO_UPDATE_RC))
+                return;
 
-        if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT)
-                goto exit;
+        if (tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED)
+                return;
 
         /*
          * If underrun error is seen assume it as an excessive retry only
@@ -1325,20 +1329,17 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
          * Adjust the long retry as if the frame was tried hw->max_rate_tries
          * times. This affects how ratectrl updates PER for the failed rate.
          */
-        if (tx_info_priv->tx.ts_flags &
-            (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) &&
-            ((sc->sc_ah->tx_trig_level) >= ath_rc_priv->tx_triglevel_max)) {
+        if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
+            (sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
                 tx_status = 1;
                 is_underrun = 1;
         }
 
-        if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) ||
-            (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO))
+        if (tx_info->pad[0] & ATH_TX_INFO_XRETRY)
                 tx_status = 1;
 
         ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
-                         (is_underrun) ? sc->hw->max_rate_tries :
-                         tx_info_priv->tx.ts_longretry);
+                         (is_underrun) ? sc->hw->max_rate_tries : long_retry);
 
         /* Check if aggregation has to be enabled for this tid */
         if (conf_is_ht(&sc->hw->conf) &&
@@ -1352,13 +1353,11 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
                         an = (struct ath_node *)sta->drv_priv;
 
                         if(ath_tx_aggr_check(sc, an, tid))
-                                ieee80211_start_tx_ba_session(sc->hw, hdr->addr1, tid);
+                                ieee80211_start_tx_ba_session(sta, tid);
                 }
         }
 
         ath_debug_stat_rc(sc, skb);
-exit:
-        kfree(tx_info_priv);
 }
 
 static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 94cb9f8d2446..51f85ecbe88d 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -167,24 +167,18 @@ struct ath_rate_priv {
         struct ath_rate_softc *asc;
 };
 
+#define ATH_TX_INFO_FRAME_TYPE_INTERNAL (1 << 0)
+#define ATH_TX_INFO_FRAME_TYPE_PAUSE    (1 << 1)
+#define ATH_TX_INFO_UPDATE_RC           (1 << 2)
+#define ATH_TX_INFO_XRETRY              (1 << 3)
+#define ATH_TX_INFO_UNDERRUN            (1 << 4)
+
 enum ath9k_internal_frame_type {
         ATH9K_NOT_INTERNAL,
         ATH9K_INT_PAUSE,
         ATH9K_INT_UNPAUSE
 };
 
-struct ath_tx_info_priv {
-        struct ath_wiphy *aphy;
-        struct ath_tx_status tx;
-        int n_frames;
-        int n_bad_frames;
-        bool update_rc;
-        enum ath9k_internal_frame_type frame_type;
-};
-
-#define ATH_TX_INFO_PRIV(tx_info) \
-        ((struct ath_tx_info_priv *)((tx_info)->rate_driver_data[0]))
-
 void ath_rate_attach(struct ath_softc *sc);
 u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
 int ath_rate_control_register(void);
diff --git a/drivers/net/wireless/ath/ath9k/virtual.c b/drivers/net/wireless/ath/ath9k/virtual.c
index 0a36b572294c..cd26caaf44e7 100644
--- a/drivers/net/wireless/ath/ath9k/virtual.c
+++ b/drivers/net/wireless/ath/ath9k/virtual.c
@@ -338,13 +338,11 @@ void ath9k_wiphy_chan_work(struct work_struct *work)
 void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 {
         struct ath_wiphy *aphy = hw->priv;
-        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-        struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
 
-        if (tx_info_priv && tx_info_priv->frame_type == ATH9K_INT_PAUSE &&
+        if ((tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_PAUSE) &&
             aphy->state == ATH_WIPHY_PAUSING) {
-                if (!(info->flags & IEEE80211_TX_STAT_ACK)) {
+                if (!(tx_info->flags & IEEE80211_TX_STAT_ACK)) {
                         printk(KERN_DEBUG "ath9k: %s: no ACK for pause "
                                "frame\n", wiphy_name(hw->wiphy));
                         /*
@@ -363,9 +361,6 @@ void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
                 }
         }
 
-        kfree(tx_info_priv);
-        tx_info->rate_driver_data[0] = NULL;
-
         dev_kfree_skb(skb);
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 86b54ddd01cb..745d91995d78 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -251,6 +251,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf)
 
         ATH_TXBUF_RESET(tbf);
 
+        tbf->aphy = bf->aphy;
         tbf->bf_mpdu = bf->bf_mpdu;
         tbf->bf_buf_addr = bf->bf_buf_addr;
         *(tbf->bf_desc) = *(bf->bf_desc);
@@ -270,7 +271,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
         struct ieee80211_hw *hw;
         struct ieee80211_hdr *hdr;
         struct ieee80211_tx_info *tx_info;
-        struct ath_tx_info_priv *tx_info_priv;
         struct ath_atx_tid *tid = NULL;
         struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
         struct ath_desc *ds = bf_last->bf_desc;
@@ -284,8 +284,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
         hdr = (struct ieee80211_hdr *)skb->data;
 
         tx_info = IEEE80211_SKB_CB(skb);
-        tx_info_priv = (struct ath_tx_info_priv *) tx_info->rate_driver_data[0];
-        hw = tx_info_priv->aphy->hw;
+        hw = bf->aphy->hw;
 
         rcu_read_lock();
 
@@ -464,7 +463,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
         struct sk_buff *skb;
         struct ieee80211_tx_info *tx_info;
         struct ieee80211_tx_rate *rates;
-        struct ath_tx_info_priv *tx_info_priv;
         u32 max_4ms_framelen, frmlen;
         u16 aggr_limit, legacy = 0;
         int i;
@@ -472,7 +470,6 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
         skb = bf->bf_mpdu;
         tx_info = IEEE80211_SKB_CB(skb);
         rates = tx_info->control.rates;
-        tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0];
 
         /*
          * Find the lowest frame length among the rate series that will have a
@@ -702,7 +699,6 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
                 /* anchor last desc of aggregate */
                 ath9k_hw_set11n_aggr_last(sc->sc_ah, bf->bf_lastbf->bf_desc);
 
-                txq->axq_aggr_depth++;
                 ath_tx_txqaddbuf(sc, txq, &bf_q);
                 TX_STAT_INC(txq->axq_qnum, a_aggr);
 
@@ -878,8 +874,6 @@ struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype)
                 INIT_LIST_HEAD(&txq->axq_acq);
                 spin_lock_init(&txq->axq_lock);
                 txq->axq_depth = 0;
-                txq->axq_aggr_depth = 0;
-                txq->axq_linkbuf = NULL;
                 txq->axq_tx_inprogress = false;
                 sc->tx.txqsetup |= 1<<qnum;
         }
@@ -1014,7 +1008,6 @@ void ath_draintxq(struct ath_softc *sc, struct ath_txq *txq, bool retry_tx)
 
                 if (list_empty(&txq->axq_q)) {
                         txq->axq_link = NULL;
-                        txq->axq_linkbuf = NULL;
                         spin_unlock_bh(&txq->axq_lock);
                         break;
                 }
@@ -1199,7 +1192,6 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
 
         list_splice_tail_init(head, &txq->axq_q);
         txq->axq_depth++;
-        txq->axq_linkbuf = list_entry(txq->axq_q.prev, struct ath_buf, list);
 
         ath_print(common, ATH_DBG_QUEUE,
                   "qnum: %d, txq depth: %d\n", txq->axq_qnum, txq->axq_depth);
@@ -1560,21 +1552,26 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
         struct ath_softc *sc = aphy->sc;
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-        struct ath_tx_info_priv *tx_info_priv;
         int hdrlen;
         __le16 fc;
 
-        tx_info_priv = kzalloc(sizeof(*tx_info_priv), GFP_ATOMIC);
-        if (unlikely(!tx_info_priv))
-                return -ENOMEM;
-        tx_info->rate_driver_data[0] = tx_info_priv;
-        tx_info_priv->aphy = aphy;
-        tx_info_priv->frame_type = txctl->frame_type;
+        tx_info->pad[0] = 0;
+        switch (txctl->frame_type) {
+        case ATH9K_NOT_INTERNAL:
+                break;
+        case ATH9K_INT_PAUSE:
+                tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_PAUSE;
+                /* fall through */
+        case ATH9K_INT_UNPAUSE:
+                tx_info->pad[0] |= ATH_TX_INFO_FRAME_TYPE_INTERNAL;
+                break;
+        }
         hdrlen = ieee80211_get_hdrlen_from_skb(skb);
         fc = hdr->frame_control;
 
         ATH_TXBUF_RESET(bf);
 
+        bf->aphy = aphy;
         bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
 
         if (conf_is_ht(&hw->conf) && !is_pae(skb))
@@ -1599,8 +1596,6 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
                                            skb->len, DMA_TO_DEVICE);
         if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
                 bf->bf_mpdu = NULL;
-                kfree(tx_info_priv);
-                tx_info->rate_driver_data[0] = NULL;
                 ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
                           "dma_mapping_error() on TX\n");
                 return -ENOMEM;
@@ -1781,27 +1776,17 @@ exit:
 /*****************/
 
 static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
-                            int tx_flags)
+                            struct ath_wiphy *aphy, int tx_flags)
 {
         struct ieee80211_hw *hw = sc->hw;
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-        struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
         int hdrlen, padsize;
-        int frame_type = ATH9K_NOT_INTERNAL;
 
         ath_print(common, ATH_DBG_XMIT, "TX complete: skb: %p\n", skb);
 
-        if (tx_info_priv) {
-                hw = tx_info_priv->aphy->hw;
-                frame_type = tx_info_priv->frame_type;
-        }
-
-        if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK ||
-            tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
-                kfree(tx_info_priv);
-                tx_info->rate_driver_data[0] = NULL;
-        }
+        if (aphy)
+                hw = aphy->hw;
 
         if (tx_flags & ATH_TX_BAR)
                 tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
@@ -1833,10 +1818,10 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
                                         SC_OP_WAIT_FOR_TX_ACK));
         }
 
-        if (frame_type == ATH9K_NOT_INTERNAL)
-                ieee80211_tx_status(hw, skb);
-        else
+        if (unlikely(tx_info->pad[0] & ATH_TX_INFO_FRAME_TYPE_INTERNAL))
                 ath9k_tx_status(hw, skb);
+        else
+                ieee80211_tx_status(hw, skb);
 }
 
 static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
@@ -1859,7 +1844,7 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
         }
 
         dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
-        ath_tx_complete(sc, skb, tx_flags);
+        ath_tx_complete(sc, skb, bf->aphy, tx_flags);
         ath_debug_stat_tx(sc, txq, bf);
 
         /*
@@ -1907,8 +1892,7 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
         struct sk_buff *skb = bf->bf_mpdu;
         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
         struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
-        struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
-        struct ieee80211_hw *hw = tx_info_priv->aphy->hw;
+        struct ieee80211_hw *hw = bf->aphy->hw;
         u8 i, tx_rateindex;
 
         if (txok)
@@ -1917,17 +1901,22 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
         tx_rateindex = ds->ds_txstat.ts_rateindex;
         WARN_ON(tx_rateindex >= hw->max_rates);
 
-        tx_info_priv->update_rc = update_rc;
+        if (update_rc)
+                tx_info->pad[0] |= ATH_TX_INFO_UPDATE_RC;
         if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
                 tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
 
         if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
             (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
                 if (ieee80211_is_data(hdr->frame_control)) {
-                        memcpy(&tx_info_priv->tx, &ds->ds_txstat,
-                               sizeof(tx_info_priv->tx));
-                        tx_info_priv->n_frames = bf->bf_nframes;
-                        tx_info_priv->n_bad_frames = nbad;
+                        if (ds->ds_txstat.ts_flags &
+                            (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN))
+                                tx_info->pad[0] |= ATH_TX_INFO_UNDERRUN;
+                        if ((ds->ds_txstat.ts_status & ATH9K_TXERR_XRETRY) ||
+                            (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO))
+                                tx_info->pad[0] |= ATH_TX_INFO_XRETRY;
+                        tx_info->status.ampdu_len = bf->bf_nframes;
+                        tx_info->status.ampdu_ack_len = bf->bf_nframes - nbad;
                 }
         }
 
@@ -1971,7 +1960,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                 spin_lock_bh(&txq->axq_lock);
                 if (list_empty(&txq->axq_q)) {
                         txq->axq_link = NULL;
-                        txq->axq_linkbuf = NULL;
                         spin_unlock_bh(&txq->axq_lock);
                         break;
                 }
@@ -2005,10 +1993,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                         spin_unlock_bh(&txq->axq_lock);
                         break;
                 }
-                if (bf->bf_desc == txq->axq_lastdsWithCTS)
-                        txq->axq_lastdsWithCTS = NULL;
-                if (ds == txq->axq_gatingds)
-                        txq->axq_gatingds = NULL;
 
                 /*
                  * Remove ath_buf's of the same transmit unit from txq,
@@ -2022,9 +2006,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
                                 &txq->axq_q, lastbf->list.prev);
 
                 txq->axq_depth--;
-                if (bf_isaggr(bf))
-                        txq->axq_aggr_depth--;
-
                 txok = (ds->ds_txstat.ts_status == 0);
                 txq->axq_tx_inprogress = false;
                 spin_unlock_bh(&txq->axq_lock);