---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -1048,6 +1048,8 @@ static int ath9k_start(struct ieee80211_
- "Starting driver with initial channel: %d MHz\n",
- curchan->center_freq);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+@@ -326,7 +326,6 @@ static bool ar9003_hw_get_isr(struct ath
+ static int ar9003_hw_proc_txdesc(struct ath_hw *ah, void *ds,
+ struct ath_tx_status *ts)
+ {
+- struct ar9003_txc *txc = (struct ar9003_txc *) ds;
+ struct ar9003_txs *ads;
+ u32 status;
-+ ath9k_ps_wakeup(sc);
-+
- mutex_lock(&sc->mutex);
+@@ -336,11 +335,7 @@ static int ar9003_hw_proc_txdesc(struct
+ if ((status & AR_TxDone) == 0)
+ return -EINPROGRESS;
+
+- ts->qid = MS(ads->ds_info, AR_TxQcuNum);
+- if (!txc || (MS(txc->info, AR_TxQcuNum) == ts->qid))
+- ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
+- else
+- return -ENOENT;
++ ah->ts_tail = (ah->ts_tail + 1) % ah->ts_size;
+
+ if ((MS(ads->ds_info, AR_DescId) != ATHEROS_VENDOR_ID) ||
+ (MS(ads->ds_info, AR_TxRxDesc) != 1)) {
+@@ -354,6 +349,7 @@ static int ar9003_hw_proc_txdesc(struct
+ ts->ts_seqnum = MS(status, AR_SeqNum);
+ ts->tid = MS(status, AR_TxTid);
+
++ ts->qid = MS(ads->ds_info, AR_TxQcuNum);
+ ts->desc_id = MS(ads->status1, AR_TxDescId);
+ ts->ts_tstamp = ads->status4;
+ ts->ts_status = 0;
+@@ -440,20 +436,14 @@ int ath9k_hw_process_rxdesc_edma(struct
+ struct ar9003_rxs *rxsp = (struct ar9003_rxs *) buf_addr;
+ unsigned int phyerr;
+
+- /* TODO: byte swap on big endian for ar9300_10 */
+-
+- if (!rxs) {
+- if ((rxsp->status11 & AR_RxDone) == 0)
+- return -EINPROGRESS;
+-
+- if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
+- return -EINVAL;
++ if ((rxsp->status11 & AR_RxDone) == 0)
++ return -EINPROGRESS;
+
+- if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
+- return -EINPROGRESS;
++ if (MS(rxsp->ds_info, AR_DescId) != 0x168c)
++ return -EINVAL;
+
+- return 0;
+- }
++ if ((rxsp->ds_info & (AR_TxRxDesc | AR_CtrlStat)) != 0)
++ return -EINPROGRESS;
+
+ rxs->rs_status = 0;
+ rxs->rs_flags = 0;
+@@ -510,7 +500,11 @@ int ath9k_hw_process_rxdesc_edma(struct
+ */
+ if (rxsp->status11 & AR_CRCErr)
+ rxs->rs_status |= ATH9K_RXERR_CRC;
+- else if (rxsp->status11 & AR_PHYErr) {
++ else if (rxsp->status11 & AR_DecryptCRCErr)
++ rxs->rs_status |= ATH9K_RXERR_DECRYPT;
++ else if (rxsp->status11 & AR_MichaelErr)
++ rxs->rs_status |= ATH9K_RXERR_MIC;
++ if (rxsp->status11 & AR_PHYErr) {
+ phyerr = MS(rxsp->status11, AR_PHYErrCode);
+ /*
+ * If we reach a point here where AR_PostDelimCRCErr is
+@@ -532,11 +526,7 @@ int ath9k_hw_process_rxdesc_edma(struct
+ rxs->rs_status |= ATH9K_RXERR_PHY;
+ rxs->rs_phyerr = phyerr;
+ }
+-
+- } else if (rxsp->status11 & AR_DecryptCRCErr)
+- rxs->rs_status |= ATH9K_RXERR_DECRYPT;
+- else if (rxsp->status11 & AR_MichaelErr)
+- rxs->rs_status |= ATH9K_RXERR_MIC;
++ };
+ }
+
+ if (rxsp->status11 & AR_KeyMiss)
+--- a/drivers/net/wireless/ath/carl9170/tx.c
++++ b/drivers/net/wireless/ath/carl9170/tx.c
+@@ -1236,6 +1236,7 @@ static bool carl9170_tx_ps_drop(struct a
+ {
+ struct ieee80211_sta *sta;
+ struct carl9170_sta_info *sta_info;
++ struct ieee80211_tx_info *tx_info;
+
+ rcu_read_lock();
+ sta = __carl9170_get_tx_sta(ar, skb);
+@@ -1243,12 +1244,13 @@ static bool carl9170_tx_ps_drop(struct a
+ goto out_rcu;
+
+ sta_info = (void *) sta->drv_priv;
+- if (unlikely(sta_info->sleeping)) {
+- struct ieee80211_tx_info *tx_info;
++ tx_info = IEEE80211_SKB_CB(skb);
- /* setup initial channel */
-@@ -1143,6 +1145,8 @@ static int ath9k_start(struct ieee80211_
- mutex_unlock:
- mutex_unlock(&sc->mutex);
++ if (unlikely(sta_info->sleeping) &&
++ !(tx_info->flags & (IEEE80211_TX_CTL_NO_PS_BUFFER |
++ IEEE80211_TX_CTL_CLEAR_PS_FILT))) {
+ rcu_read_unlock();
+
+- tx_info = IEEE80211_SKB_CB(skb);
+ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU)
+ atomic_dec(&ar->tx_ampdu_upload);
+
+--- a/drivers/net/wireless/iwlegacy/4965-mac.c
++++ b/drivers/net/wireless/iwlegacy/4965-mac.c
+@@ -1694,7 +1694,7 @@ il4965_tx_skb(struct il_priv *il, struct
+ sta_priv = (void *)sta->drv_priv;
+
+ if (sta_priv && sta_priv->asleep &&
+- (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
++ (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
+ /*
+ * This sends an asynchronous command to the device,
+ * but we can rely on it being processed before the
+--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
++++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+@@ -322,7 +322,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
+ sta_priv = (void *)info->control.sta->drv_priv;
+
+ if (sta_priv && sta_priv->asleep &&
+- (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)) {
++ (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)) {
+ /*
+ * This sends an asynchronous command to the device,
+ * but we can rely on it being processed before the
+@@ -331,6 +331,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
+ * counter.
+ * For now set the counter to just 1 since we do not
+ * support uAPSD yet.
++ *
++ * FIXME: If we get two non-bufferable frames one
++ * after the other, we might only send out one of
++ * them because this is racy.
+ */
+ iwl_sta_modify_sleep_tx_count(priv, sta_id, 1);
+ }
+--- a/drivers/net/wireless/p54/txrx.c
++++ b/drivers/net/wireless/p54/txrx.c
+@@ -690,7 +690,7 @@ static void p54_tx_80211_header(struct p
+ if (!(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
+ *flags |= P54_HDR_FLAG_DATA_OUT_SEQNR;
+
+- if (info->flags & IEEE80211_TX_CTL_POLL_RESPONSE)
++ if (info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER)
+ *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL;
+
+ if (info->flags & IEEE80211_TX_CTL_CLEAR_PS_FILT)
+--- a/include/net/mac80211.h
++++ b/include/net/mac80211.h
+@@ -341,9 +341,9 @@ struct ieee80211_bss_conf {
+ * used to indicate that a frame was already retried due to PS
+ * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211,
+ * used to indicate frame should not be encrypted
+- * @IEEE80211_TX_CTL_POLL_RESPONSE: This frame is a response to a poll
+- * frame (PS-Poll or uAPSD) and should be sent although the station
+- * is in powersave mode.
++ * @IEEE80211_TX_CTL_NO_PS_BUFFER: This frame is a response to a poll
++ * frame (PS-Poll or uAPSD) or a non-bufferable MMPDU and must
++ * be sent although the station is in powersave mode.
+ * @IEEE80211_TX_CTL_MORE_FRAMES: More frames will be passed to the
+ * transmit function after the current frame, this can be used
+ * by drivers to kick the DMA queue only if unset or when the
+@@ -399,7 +399,7 @@ enum mac80211_tx_control_flags {
+ IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14),
+ IEEE80211_TX_INTFL_RETRIED = BIT(15),
+ IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16),
+- IEEE80211_TX_CTL_POLL_RESPONSE = BIT(17),
++ IEEE80211_TX_CTL_NO_PS_BUFFER = BIT(17),
+ IEEE80211_TX_CTL_MORE_FRAMES = BIT(18),
+ IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19),
+ /* hole at 20, use later */
+@@ -425,7 +425,7 @@ enum mac80211_tx_control_flags {
+ IEEE80211_TX_CTL_SEND_AFTER_DTIM | IEEE80211_TX_CTL_AMPDU | \
+ IEEE80211_TX_STAT_TX_FILTERED | IEEE80211_TX_STAT_ACK | \
+ IEEE80211_TX_STAT_AMPDU | IEEE80211_TX_STAT_AMPDU_NO_BACK | \
+- IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_POLL_RESPONSE | \
++ IEEE80211_TX_CTL_RATE_CTRL_PROBE | IEEE80211_TX_CTL_NO_PS_BUFFER | \
+ IEEE80211_TX_CTL_MORE_FRAMES | IEEE80211_TX_CTL_LDPC | \
+ IEEE80211_TX_CTL_STBC | IEEE80211_TX_STATUS_EOSP)
+
+@@ -659,6 +659,8 @@ ieee80211_tx_info_clear_status(struct ie
+ * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
+ * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
+ * @RX_FLAG_SHORT_GI: Short guard interval was used
++ * @RX_FLAG_NO_SIGNAL_VAL: The signal strength value is not present.
++ * Valid only for data frames (mainly A-MPDU)
+ */
+ enum mac80211_rx_flags {
+ RX_FLAG_MMIC_ERROR = 1<<0,
+@@ -672,6 +674,7 @@ enum mac80211_rx_flags {
+ RX_FLAG_HT = 1<<9,
+ RX_FLAG_40MHZ = 1<<10,
+ RX_FLAG_SHORT_GI = 1<<11,
++ RX_FLAG_NO_SIGNAL_VAL = 1<<12,
+ };
+
+ /**
+@@ -1634,7 +1637,7 @@ void ieee80211_free_txskb(struct ieee802
+ * the station sends a PS-Poll or a uAPSD trigger frame, mac80211
+ * will inform the driver of this with the @allow_buffered_frames
+ * callback; this callback is optional. mac80211 will then transmit
+- * the frames as usual and set the %IEEE80211_TX_CTL_POLL_RESPONSE
++ * the frames as usual and set the %IEEE80211_TX_CTL_NO_PS_BUFFER
+ * on each frame. The last frame in the service period (or the only
+ * response to a PS-Poll) also has %IEEE80211_TX_STATUS_EOSP set to
+ * indicate that it ends the service period; as this frame must have
+@@ -1642,6 +1645,9 @@ void ieee80211_free_txskb(struct ieee802
+ * When TX status is reported for this frame, the service period is
+ * marked has having ended and a new one can be started by the peer.
+ *
++ * Additionally, non-bufferable MMPDUs can also be transmitted by
++ * mac80211 with the %IEEE80211_TX_CTL_NO_PS_BUFFER set in them.
++ *
+ * Another race condition can happen on some devices like iwlwifi
+ * when there are frames queued for the station and it wakes up
+ * or polls; the frames that are already queued could end up being
+@@ -2140,7 +2146,7 @@ enum ieee80211_frame_release_type {
+ * @allow_buffered_frames: Prepare device to allow the given number of frames
+ * to go out to the given station. The frames will be sent by mac80211
+ * via the usual TX path after this call. The TX information for frames
+- * released will also have the %IEEE80211_TX_CTL_POLL_RESPONSE flag set
++ * released will also have the %IEEE80211_TX_CTL_NO_PS_BUFFER flag set
+ * and the last one will also have %IEEE80211_TX_STATUS_EOSP set. In case
+ * frames from multiple TIDs are released and the driver might reorder
+ * them between the TIDs, it must set the %IEEE80211_TX_STATUS_EOSP flag
+--- a/net/mac80211/agg-rx.c
++++ b/net/mac80211/agg-rx.c
+@@ -187,6 +187,8 @@ static void ieee80211_send_addba_resp(st
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ memcpy(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN);
++ else if (sdata->vif.type == NL80211_IFTYPE_WDS)
++ memcpy(mgmt->bssid, da, ETH_ALEN);
+
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_ACTION);
+--- a/net/mac80211/agg-tx.c
++++ b/net/mac80211/agg-tx.c
+@@ -81,7 +81,8 @@ static void ieee80211_send_addba_request
+ memcpy(mgmt->sa, sdata->vif.addr, ETH_ALEN);
+ if (sdata->vif.type == NL80211_IFTYPE_AP ||
+ sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
+- sdata->vif.type == NL80211_IFTYPE_MESH_POINT)
++ sdata->vif.type == NL80211_IFTYPE_MESH_POINT ||
++ sdata->vif.type == NL80211_IFTYPE_WDS)
+ memcpy(mgmt->bssid, sdata->vif.addr, ETH_ALEN);
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ memcpy(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN);
+@@ -471,6 +472,7 @@ int ieee80211_start_tx_ba_session(struct
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ return -EINVAL;
+
+--- a/net/mac80211/debugfs_sta.c
++++ b/net/mac80211/debugfs_sta.c
+@@ -63,11 +63,11 @@ static ssize_t sta_flags_read(struct fil
+ test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
+
+ int res = scnprintf(buf, sizeof(buf),
+- "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
++ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+ TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
+ TEST(PS_DRIVER), TEST(AUTHORIZED),
+ TEST(SHORT_PREAMBLE),
+- TEST(WME), TEST(WDS), TEST(CLEAR_PS_FILT),
++ TEST(WME), TEST(CLEAR_PS_FILT),
+ TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
+ TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
+ TEST(TDLS_PEER_AUTH), TEST(4ADDR_EVENT),
+--- a/net/mac80211/iface.c
++++ b/net/mac80211/iface.c
+@@ -178,7 +178,6 @@ static int ieee80211_do_open(struct net_
+ {
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+- struct sta_info *sta;
+ u32 changed = 0;
+ int res;
+ u32 hw_reconf_flags = 0;
+@@ -309,28 +308,6 @@ static int ieee80211_do_open(struct net_
+
+ set_bit(SDATA_STATE_RUNNING, &sdata->state);
+
+- if (sdata->vif.type == NL80211_IFTYPE_WDS) {
+- /* Create STA entry for the WDS peer */
+- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
+- GFP_KERNEL);
+- if (!sta) {
+- res = -ENOMEM;
+- goto err_del_interface;
+- }
+-
+- sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
+- sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC);
+- sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED);
+-
+- res = sta_info_insert(sta);
+- if (res) {
+- /* STA has been freed */
+- goto err_del_interface;
+- }
+-
+- rate_control_rate_init(sta);
+- }
+-
+ /*
+ * set_multicast_list will be invoked by the networking core
+ * which will check whether any increments here were done in
+@@ -357,8 +334,7 @@ static int ieee80211_do_open(struct net_
+ netif_tx_start_all_queues(dev);
-+ ath9k_ps_restore(sc);
+ return 0;
+- err_del_interface:
+- drv_remove_interface(local, sdata);
+
- return r;
+ err_stop:
+ if (!local->open_count)
+ drv_stop(local);
+@@ -722,6 +698,70 @@ static void ieee80211_if_setup(struct ne
+ dev->destructor = free_netdev;
}
++static void ieee80211_wds_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
++ struct sk_buff *skb)
++{
++ struct ieee80211_local *local = sdata->local;
++ struct ieee80211_rx_status *rx_status;
++ struct ieee802_11_elems elems;
++ struct ieee80211_mgmt *mgmt;
++ struct sta_info *sta;
++ size_t baselen;
++ u32 rates = 0;
++ u16 stype;
++ bool new = false;
++ enum ieee80211_band band = local->hw.conf.channel->band;
++ struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
++
++ rx_status = IEEE80211_SKB_RXCB(skb);
++ mgmt = (struct ieee80211_mgmt *) skb->data;
++ stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
++
++ if (stype != IEEE80211_STYPE_BEACON)
++ return;
++
++ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
++ if (baselen > skb->len)
++ return;
++
++ ieee802_11_parse_elems(mgmt->u.probe_resp.variable,
++ skb->len - baselen, &elems);
++
++ rates = ieee80211_sta_get_rates(local, &elems, band);
++
++ rcu_read_lock();
++
++ sta = sta_info_get(sdata, sdata->u.wds.remote_addr);
++
++ if (!sta) {
++ rcu_read_unlock();
++ sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
++ GFP_KERNEL);
++ if (!sta)
++ return;
++
++ new = true;
++ }
++
++ sta->last_rx = jiffies;
++ sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
++
++ if (elems.ht_cap_elem)
++ ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
++ elems.ht_cap_elem, &sta->sta.ht_cap);
++
++ if (elems.wmm_param)
++ set_sta_flag(sta, WLAN_STA_WME);
++
++ if (new) {
++ set_sta_flag(sta, WLAN_STA_AUTHORIZED);
++ rate_control_rate_init(sta);
++ sta_info_insert_rcu(sta);
++ }
++
++ rcu_read_unlock();
++}
++
+ static void ieee80211_iface_work(struct work_struct *work)
+ {
+ struct ieee80211_sub_if_data *sdata =
+@@ -826,6 +866,9 @@ static void ieee80211_iface_work(struct
+ break;
+ ieee80211_mesh_rx_queued_mgmt(sdata, skb);
+ break;
++ case NL80211_IFTYPE_WDS:
++ ieee80211_wds_rx_queued_mgmt(sdata, skb);
++ break;
+ default:
+ WARN(1, "frame for unexpected interface type");
+ break;
+--- a/net/mac80211/rx.c
++++ b/net/mac80211/rx.c
+@@ -177,7 +177,8 @@ ieee80211_add_rx_radiotap_header(struct
+ pos += 2;
+
+ /* IEEE80211_RADIOTAP_DBM_ANTSIGNAL */
+- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
++ if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM &&
++ !(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
+ *pos = status->signal;
+ rthdr->it_present |=
+ cpu_to_le32(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL);
+@@ -489,12 +490,12 @@ ieee80211_rx_mesh_check(struct ieee80211
+ if (ieee80211_has_tods(hdr->frame_control) ||
+ !ieee80211_has_fromds(hdr->frame_control))
+ return RX_DROP_MONITOR;
+- if (memcmp(hdr->addr3, dev_addr, ETH_ALEN) == 0)
++ if (compare_ether_addr(hdr->addr3, dev_addr) == 0)
+ return RX_DROP_MONITOR;
+ } else {
+ if (!ieee80211_has_a4(hdr->frame_control))
+ return RX_DROP_MONITOR;
+- if (memcmp(hdr->addr4, dev_addr, ETH_ALEN) == 0)
++ if (compare_ether_addr(hdr->addr4, dev_addr) == 0)
+ return RX_DROP_MONITOR;
+ }
+ }
+@@ -1309,8 +1310,10 @@ ieee80211_rx_h_sta_process(struct ieee80
+
+ sta->rx_fragments++;
+ sta->rx_bytes += rx->skb->len;
+- sta->last_signal = status->signal;
+- ewma_add(&sta->avg_signal, -status->signal);
++ if (!(status->flag & RX_FLAG_NO_SIGNAL_VAL)) {
++ sta->last_signal = status->signal;
++ ewma_add(&sta->avg_signal, -status->signal);
++ }
+
+ /*
+ * Change STA power saving mode only at the end of a frame
+@@ -2282,6 +2285,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+ sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
+ sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
+ sdata->vif.type != NL80211_IFTYPE_AP &&
++ sdata->vif.type != NL80211_IFTYPE_WDS &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ break;
+
+@@ -2336,7 +2340,7 @@ ieee80211_rx_h_action(struct ieee80211_r
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
+ break;
+
+- if (memcmp(mgmt->bssid, sdata->u.mgd.bssid, ETH_ALEN))
++ if (compare_ether_addr(mgmt->bssid, sdata->u.mgd.bssid))
+ break;
+
+ goto queue;
+@@ -2492,14 +2496,15 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_
+
+ if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+ sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+- sdata->vif.type != NL80211_IFTYPE_STATION)
++ sdata->vif.type != NL80211_IFTYPE_STATION &&
++ sdata->vif.type != NL80211_IFTYPE_WDS)
+ return RX_DROP_MONITOR;
+
+ switch (stype) {
+ case cpu_to_le16(IEEE80211_STYPE_AUTH):
+ case cpu_to_le16(IEEE80211_STYPE_BEACON):
+ case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
+- /* process for all: mesh, mlme, ibss */
++ /* process for all: mesh, mlme, ibss, wds */
+ break;
+ case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
+ case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
+@@ -2853,10 +2858,16 @@ static int prepare_for_handlers(struct i
+ }
+ break;
+ case NL80211_IFTYPE_WDS:
+- if (bssid || !ieee80211_is_data(hdr->frame_control))
+- return 0;
+ if (compare_ether_addr(sdata->u.wds.remote_addr, hdr->addr2))
+ return 0;
++
++ if (ieee80211_is_data(hdr->frame_control) ||
++ ieee80211_is_action(hdr->frame_control)) {
++ if (compare_ether_addr(sdata->vif.addr, hdr->addr1))
++ return 0;
++ } else if (!ieee80211_is_beacon(hdr->frame_control))
++ return 0;
++
+ break;
+ default:
+ /* should never get here */
+--- a/net/mac80211/sta_info.c
++++ b/net/mac80211/sta_info.c
+@@ -9,6 +9,7 @@
+
+ #include <linux/module.h>
+ #include <linux/init.h>
++#include <linux/etherdevice.h>
+ #include <linux/netdevice.h>
+ #include <linux/types.h>
+ #include <linux/slab.h>
+@@ -101,7 +102,7 @@ struct sta_info *sta_info_get(struct iee
+ lockdep_is_held(&local->sta_mtx));
+ while (sta) {
+ if (sta->sdata == sdata &&
+- memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
++ compare_ether_addr(sta->sta.addr, addr) == 0)
+ break;
+ sta = rcu_dereference_check(sta->hnext,
+ lockdep_is_held(&local->sta_mtx));
+@@ -124,7 +125,7 @@ struct sta_info *sta_info_get_bss(struct
+ while (sta) {
+ if ((sta->sdata == sdata ||
+ (sta->sdata->bss && sta->sdata->bss == sdata->bss)) &&
+- memcmp(sta->sta.addr, addr, ETH_ALEN) == 0)
++ compare_ether_addr(sta->sta.addr, addr) == 0)
+ break;
+ sta = rcu_dereference_check(sta->hnext,
+ lockdep_is_held(&local->sta_mtx));
+@@ -1050,7 +1051,7 @@ static void ieee80211_send_null_response
+ * exchange. Also set EOSP to indicate this packet
+ * ends the poll/service period.
+ */
+- info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE |
++ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER |
+ IEEE80211_TX_STATUS_EOSP |
+ IEEE80211_TX_CTL_REQ_TX_STATUS;
+
+@@ -1177,7 +1178,7 @@ ieee80211_sta_ps_deliver_response(struct
+ * STA may still remain is PS mode after this frame
+ * exchange.
+ */
+- info->flags |= IEEE80211_TX_CTL_POLL_RESPONSE;
++ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
+
+ /*
+ * Use MoreData flag to indicate whether there are
+--- a/net/mac80211/sta_info.h
++++ b/net/mac80211/sta_info.h
+@@ -14,6 +14,7 @@
+ #include <linux/if_ether.h>
+ #include <linux/workqueue.h>
+ #include <linux/average.h>
++#include <linux/etherdevice.h>
+ #include "key.h"
+
+ /**
+@@ -31,7 +32,6 @@
+ * @WLAN_STA_SHORT_PREAMBLE: Station is capable of receiving short-preamble
+ * frames.
+ * @WLAN_STA_WME: Station is a QoS-STA.
+- * @WLAN_STA_WDS: Station is one of our WDS peers.
+ * @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
+ * IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
+ * frame to this station is transmitted.
+@@ -62,7 +62,6 @@ enum ieee80211_sta_info_flags {
+ WLAN_STA_AUTHORIZED,
+ WLAN_STA_SHORT_PREAMBLE,
+ WLAN_STA_WME,
+- WLAN_STA_WDS,
+ WLAN_STA_CLEAR_PS_FILT,
+ WLAN_STA_MFP,
+ WLAN_STA_BLOCK_BA,
+@@ -489,7 +488,7 @@ void for_each_sta_info_type_check(struct
+ nxt = _sta ? rcu_dereference(_sta->hnext) : NULL \
+ ) \
+ /* compare address and run code only if it matches */ \
+- if (memcmp(_sta->sta.addr, (_addr), ETH_ALEN) == 0)
++ if (compare_ether_addr(_sta->sta.addr, (_addr)) == 0)
+
+ /*
+ * Get STA info by index, BROKEN!
+--- a/net/mac80211/tx.c
++++ b/net/mac80211/tx.c
+@@ -448,18 +448,23 @@ ieee80211_tx_h_unicast_ps_buf(struct iee
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data;
+ struct ieee80211_local *local = tx->local;
+
+- if (unlikely(!sta ||
+- ieee80211_is_probe_resp(hdr->frame_control) ||
+- ieee80211_is_auth(hdr->frame_control) ||
+- ieee80211_is_assoc_resp(hdr->frame_control) ||
+- ieee80211_is_reassoc_resp(hdr->frame_control)))
++ if (unlikely(!sta))
+ return TX_CONTINUE;
+
+ if (unlikely((test_sta_flag(sta, WLAN_STA_PS_STA) ||
+ test_sta_flag(sta, WLAN_STA_PS_DRIVER)) &&
+- !(info->flags & IEEE80211_TX_CTL_POLL_RESPONSE))) {
++ !(info->flags & IEEE80211_TX_CTL_NO_PS_BUFFER))) {
+ int ac = skb_get_queue_mapping(tx->skb);
+
++ /* only deauth, disassoc and action are bufferable MMPDUs */
++ if (ieee80211_is_mgmt(hdr->frame_control) &&
++ !ieee80211_is_deauth(hdr->frame_control) &&
++ !ieee80211_is_disassoc(hdr->frame_control) &&
++ !ieee80211_is_action(hdr->frame_control)) {
++ info->flags |= IEEE80211_TX_CTL_NO_PS_BUFFER;
++ return TX_CONTINUE;
++ }
++
+ #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
+ printk(KERN_DEBUG "STA %pM aid %d: PS buffer for AC %d\n",
+ sta->sta.addr, sta->sta.aid, ac);
+@@ -1060,6 +1065,7 @@ static bool ieee80211_tx_prep_agg(struct
+ {
+ bool queued = false;
+ bool reset_agg_timer = false;
++ struct sk_buff *purge_skb = NULL;
+
+ if (test_bit(HT_AGG_STATE_OPERATIONAL, &tid_tx->state)) {
+ info->flags |= IEEE80211_TX_CTL_AMPDU;
+@@ -1101,8 +1107,13 @@ static bool ieee80211_tx_prep_agg(struct
+ info->control.vif = &tx->sdata->vif;
+ info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
+ __skb_queue_tail(&tid_tx->pending, skb);
++ if (skb_queue_len(&tid_tx->pending) > STA_MAX_TX_BUFFER)
++ purge_skb = __skb_dequeue(&tid_tx->pending);
+ }
+ spin_unlock(&tx->sta->lock);
++
++ if (purge_skb)
++ dev_kfree_skb(purge_skb);
+ }
+
+ /* reset session timer */
+--- a/net/mac80211/ieee80211_i.h
++++ b/net/mac80211/ieee80211_i.h
+@@ -480,7 +480,7 @@ struct ieee80211_if_ibss {
+
+ bool control_port;
+
+- u8 bssid[ETH_ALEN];
++ u8 bssid[ETH_ALEN] __aligned(2);
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len, ie_len;
+ u8 *ie;
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
-@@ -661,7 +661,6 @@ static void ieee80211_sta_find_ibss(stru
- static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *req)
- {
-- struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(req);
- struct ieee80211_mgmt *mgmt = (void *)req->data;
- struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
- struct ieee80211_local *local = sdata->local;
-@@ -685,7 +684,7 @@ static void ieee80211_rx_mgmt_probe_req(
- mgmt->bssid, tx_last_beacon);
- #endif /* CONFIG_MAC80211_IBSS_DEBUG */
+@@ -66,7 +66,7 @@ static void __ieee80211_sta_join_ibss(st
+ skb_reset_tail_pointer(skb);
+ skb_reserve(skb, sdata->local->hw.extra_tx_headroom);
+
+- if (memcmp(ifibss->bssid, bssid, ETH_ALEN))
++ if (compare_ether_addr(ifibss->bssid, bssid))
+ sta_info_flush(sdata->local, sdata);
+
+ /* if merging, indicate to driver that we leave the old IBSS */
+@@ -403,7 +403,7 @@ static void ieee80211_rx_bss_info(struct
+ return;
+
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+- memcmp(mgmt->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(mgmt->bssid, sdata->u.ibss.bssid) == 0) {
+
+ rcu_read_lock();
+ sta = sta_info_get(sdata, mgmt->sa);
+@@ -508,7 +508,7 @@ static void ieee80211_rx_bss_info(struct
+ goto put_bss;
+
+ /* same BSSID */
+- if (memcmp(cbss->bssid, sdata->u.ibss.bssid, ETH_ALEN) == 0)
++ if (compare_ether_addr(cbss->bssid, sdata->u.ibss.bssid) == 0)
+ goto put_bss;
+
+ if (rx_status->flag & RX_FLAG_MACTIME_MPDU) {
+@@ -831,8 +831,8 @@ static void ieee80211_rx_mgmt_probe_req(
+ if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
+ return;
+
+- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
+- memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
++ if (compare_ether_addr(mgmt->bssid, ifibss->bssid) != 0 &&
++ !is_broadcast_ether_addr(mgmt->bssid))
+ return;
+
+ end = ((u8 *) mgmt) + len;
+--- a/net/mac80211/mesh.c
++++ b/net/mac80211/mesh.c
+@@ -204,7 +204,7 @@ int mesh_rmc_check(u8 *sa, struct ieee80
+ kmem_cache_free(rm_cache, p);
+ --entries;
+ } else if ((seqnum == p->seqnum) &&
+- (memcmp(sa, p->sa, ETH_ALEN) == 0))
++ (compare_ether_addr(sa, p->sa) == 0))
+ return -1;
+ }
+
+--- a/net/mac80211/mesh_hwmp.c
++++ b/net/mac80211/mesh_hwmp.c
+@@ -8,6 +8,7 @@
+ */
+
+ #include <linux/slab.h>
++#include <linux/etherdevice.h>
+ #include <asm/unaligned.h>
+ #include "wme.h"
+ #include "mesh.h"
+@@ -419,7 +420,7 @@ static u32 hwmp_route_info_get(struct ie
+ new_metric = MAX_METRIC;
+ exp_time = TU_TO_EXP_TIME(orig_lifetime);
+
+- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0) {
++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0) {
+ /* This MP is the originator, we are not interested in this
+ * frame, except for updating transmitter's path info.
+ */
+@@ -469,7 +470,7 @@ static u32 hwmp_route_info_get(struct ie
+
+ /* Update and check transmitter routing info */
+ ta = mgmt->sa;
+- if (memcmp(orig_addr, ta, ETH_ALEN) == 0)
++ if (compare_ether_addr(orig_addr, ta) == 0)
+ fresh_info = false;
+ else {
+ fresh_info = true;
+@@ -529,7 +530,7 @@ static void hwmp_preq_frame_process(stru
+
+ mhwmp_dbg("received PREQ from %pM", orig_addr);
+
+- if (memcmp(target_addr, sdata->vif.addr, ETH_ALEN) == 0) {
++ if (compare_ether_addr(target_addr, sdata->vif.addr) == 0) {
+ mhwmp_dbg("PREQ is for us");
+ forward = false;
+ reply = true;
+@@ -624,7 +625,7 @@ static void hwmp_prep_frame_process(stru
+ mhwmp_dbg("received PREP from %pM", PREP_IE_ORIG_ADDR(prep_elem));
+
+ orig_addr = PREP_IE_ORIG_ADDR(prep_elem);
+- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
+ /* destination, no forwarding required */
+ return;
+
+@@ -694,10 +695,12 @@ static void hwmp_perr_frame_process(stru
+ rcu_read_lock();
+ mpath = mesh_path_lookup(target_addr, sdata);
+ if (mpath) {
++ struct sta_info *sta;
++
+ spin_lock_bh(&mpath->state_lock);
++ sta = next_hop_deref_protected(mpath);
+ if (mpath->flags & MESH_PATH_ACTIVE &&
+- memcmp(ta, next_hop_deref_protected(mpath)->sta.addr,
+- ETH_ALEN) == 0 &&
++ compare_ether_addr(ta, sta->sta.addr) == 0 &&
+ (!(mpath->flags & MESH_PATH_SN_VALID) ||
+ SN_GT(target_sn, mpath->sn))) {
+ mpath->flags &= ~MESH_PATH_ACTIVE;
+@@ -739,7 +742,7 @@ static void hwmp_rann_frame_process(stru
+ metric = rann->rann_metric;
+
+ /* Ignore our own RANNs */
+- if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
++ if (compare_ether_addr(orig_addr, sdata->vif.addr) == 0)
+ return;
+
+ mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr,
+@@ -1064,7 +1067,7 @@ int mesh_nexthop_lookup(struct sk_buff *
+ if (time_after(jiffies,
+ mpath->exp_time -
+ msecs_to_jiffies(sdata->u.mesh.mshcfg.path_refresh_time)) &&
+- !memcmp(sdata->vif.addr, hdr->addr4, ETH_ALEN) &&
++ !compare_ether_addr(sdata->vif.addr, hdr->addr4) &&
+ !(mpath->flags & MESH_PATH_RESOLVING) &&
+ !(mpath->flags & MESH_PATH_FIXED))
+ mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH);
+--- a/net/mac80211/mesh_pathtbl.c
++++ b/net/mac80211/mesh_pathtbl.c
+@@ -350,7 +350,7 @@ static struct mesh_path *mpath_lookup(st
+ hlist_for_each_entry_rcu(node, n, bucket, list) {
+ mpath = node->mpath;
+ if (mpath->sdata == sdata &&
+- memcmp(dst, mpath->dst, ETH_ALEN) == 0) {
++ compare_ether_addr(dst, mpath->dst) == 0) {
+ if (MPATH_EXPIRED(mpath)) {
+ spin_lock_bh(&mpath->state_lock);
+ mpath->flags &= ~MESH_PATH_ACTIVE;
+@@ -525,7 +525,7 @@ int mesh_path_add(u8 *dst, struct ieee80
+ int err = 0;
+ u32 hash_idx;
+
+- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
++ if (compare_ether_addr(dst, sdata->vif.addr) == 0)
+ /* never add ourselves as neighbours */
+ return -ENOTSUPP;
+
+@@ -566,7 +566,8 @@ int mesh_path_add(u8 *dst, struct ieee80
+ err = -EEXIST;
+ hlist_for_each_entry(node, n, bucket, list) {
+ mpath = node->mpath;
+- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
++ if (mpath->sdata == sdata &&
++ compare_ether_addr(dst, mpath->dst) == 0)
+ goto err_exists;
+ }
+
+@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
+ int err = 0;
+ u32 hash_idx;
+
+- if (memcmp(dst, sdata->vif.addr, ETH_ALEN) == 0)
++ if (compare_ether_addr(dst, sdata->vif.addr) == 0)
+ /* never add ourselves as neighbours */
+ return -ENOTSUPP;
+
+@@ -694,7 +695,8 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
+ err = -EEXIST;
+ hlist_for_each_entry(node, n, bucket, list) {
+ mpath = node->mpath;
+- if (mpath->sdata == sdata && memcmp(dst, mpath->dst, ETH_ALEN) == 0)
++ if (mpath->sdata == sdata &&
++ compare_ether_addr(dst, mpath->dst) == 0)
+ goto err_exists;
+ }
+
+@@ -887,7 +889,7 @@ int mesh_path_del(u8 *addr, struct ieee8
+ hlist_for_each_entry(node, n, bucket, list) {
+ mpath = node->mpath;
+ if (mpath->sdata == sdata &&
+- memcmp(addr, mpath->dst, ETH_ALEN) == 0) {
++ compare_ether_addr(addr, mpath->dst) == 0) {
+ __mesh_path_del(tbl, node);
+ goto enddel;
+ }
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -1812,7 +1812,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_
+
+ memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);
+
+- if (memcmp(bssid, mgmt->bssid, ETH_ALEN))
++ if (compare_ether_addr(bssid, mgmt->bssid))
+ return RX_MGMT_NONE;
+
+ auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
+@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021
+ return RX_MGMT_NONE;
+
+ if (!ifmgd->associated ||
+- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+ return RX_MGMT_NONE;
+
+ bssid = ifmgd->associated->bssid;
+@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80
+ return RX_MGMT_NONE;
+
+ if (!ifmgd->associated ||
+- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+ return RX_MGMT_NONE;
+
+ reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
+
+ if (!assoc_data)
+ return RX_MGMT_NONE;
+- if (memcmp(assoc_data->bss->bssid, mgmt->bssid, ETH_ALEN))
++ if (compare_ether_addr(assoc_data->bss->bssid, mgmt->bssid))
+ return RX_MGMT_NONE;
+
+ /*
+@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct
+ bool need_ps = false;
+
+ if (sdata->u.mgd.associated &&
+- memcmp(mgmt->bssid, sdata->u.mgd.associated->bssid,
+- ETH_ALEN) == 0) {
++ compare_ether_addr(mgmt->bssid, sdata->u.mgd.associated->bssid)
++ == 0) {
+ bss = (void *)sdata->u.mgd.associated->priv;
+ /* not previously set so we may need to recalc */
+ need_ps = !bss->dtim_period;
+@@ -2334,7 +2334,7 @@ static void ieee80211_rx_mgmt_probe_resp
+
+ ASSERT_MGD_MTX(ifmgd);
+
+- if (memcmp(mgmt->da, sdata->vif.addr, ETH_ALEN))
++ if (compare_ether_addr(mgmt->da, sdata->vif.addr))
+ return; /* ignore ProbeResp to foreign address */
+
+ baselen = (u8 *) mgmt->u.probe_resp.variable - (u8 *) mgmt;
+@@ -2347,11 +2347,12 @@ static void ieee80211_rx_mgmt_probe_resp
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, false);
+
+ if (ifmgd->associated &&
+- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN) == 0)
++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid) == 0)
+ ieee80211_reset_ap_probe(sdata);
+
+ if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
+- memcmp(mgmt->bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(mgmt->bssid, ifmgd->auth_data->bss->bssid)
++ == 0) {
+ /* got probe response, continue with auth */
+ printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name);
+ ifmgd->auth_data->tries = 0;
+@@ -2408,7 +2409,8 @@ static void ieee80211_rx_mgmt_beacon(str
+ return;
+
+ if (ifmgd->assoc_data && !ifmgd->assoc_data->have_beacon &&
+- memcmp(mgmt->bssid, ifmgd->assoc_data->bss->bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(mgmt->bssid, ifmgd->assoc_data->bss->bssid)
++ == 0) {
+ ieee802_11_parse_elems(mgmt->u.beacon.variable,
+ len - baselen, &elems);
+
+@@ -2423,7 +2425,7 @@ static void ieee80211_rx_mgmt_beacon(str
+ }
+
+ if (!ifmgd->associated ||
+- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+ return;
+ bssid = ifmgd->associated->bssid;
+
+@@ -3285,7 +3287,7 @@ int ieee80211_mgd_assoc(struct ieee80211
+ bool match;
+
+ /* keep sta info, bssid if matching */
+- match = memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN) == 0;
++ match = compare_ether_addr(ifmgd->bssid, req->bss->bssid) == 0;
+ ieee80211_destroy_auth_data(sdata, match);
+ }
+
+@@ -3407,7 +3409,7 @@ int ieee80211_mgd_assoc(struct ieee80211
+ goto err_clear;
+ }
+ } else
+- WARN_ON_ONCE(memcmp(ifmgd->bssid, req->bss->bssid, ETH_ALEN));
++ WARN_ON_ONCE(compare_ether_addr(ifmgd->bssid, req->bss->bssid));
+
+ if (!bss->dtim_period &&
+ sdata->local->hw.flags & IEEE80211_HW_NEED_DTIM_PERIOD) {
+@@ -3448,7 +3450,7 @@ int ieee80211_mgd_deauth(struct ieee8021
+ mutex_lock(&ifmgd->mtx);
+
+ if (ifmgd->associated &&
+- memcmp(ifmgd->associated->bssid, req->bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(ifmgd->associated->bssid, req->bssid) == 0) {
+ ieee80211_set_disassoc(sdata, false, true);
+ assoc_bss = true;
+ } else if (ifmgd->auth_data) {
+--- a/net/mac80211/status.c
++++ b/net/mac80211/status.c
+@@ -10,6 +10,7 @@
+ */
+
+ #include <linux/export.h>
++#include <linux/etherdevice.h>
+ #include <net/mac80211.h>
+ #include <asm/unaligned.h>
+ #include "ieee80211_i.h"
+@@ -377,7 +378,7 @@ void ieee80211_tx_status(struct ieee8021
+
+ for_each_sta_info(local, hdr->addr1, sta, tmp) {
+ /* skip wrong virtual interface */
+- if (memcmp(hdr->addr2, sta->sdata->vif.addr, ETH_ALEN))
++ if (compare_ether_addr(hdr->addr2, sta->sdata->vif.addr))
+ continue;
+
+ if (info->flags & IEEE80211_TX_STATUS_EOSP)
+--- a/net/wireless/mlme.c
++++ b/net/wireless/mlme.c
+@@ -6,6 +6,7 @@
+
+ #include <linux/kernel.h>
+ #include <linux/module.h>
++#include <linux/etherdevice.h>
+ #include <linux/netdevice.h>
+ #include <linux/nl80211.h>
+ #include <linux/slab.h>
+@@ -100,7 +101,7 @@ void __cfg80211_send_deauth(struct net_d
+ ASSERT_WDEV_LOCK(wdev);
+
+ if (wdev->current_bss &&
+- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
+ wdev->current_bss = NULL;
+@@ -115,7 +116,7 @@ void __cfg80211_send_deauth(struct net_d
-- if (!tx_last_beacon && !(rx_status->rx_flags & IEEE80211_RX_RA_MATCH))
-+ if (!tx_last_beacon && is_multicast_ether_addr(mgmt->da))
+ reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
+
+- from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
++ from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
+ __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+ } else if (wdev->sme_state == CFG80211_SME_CONNECTING) {
+ __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
+@@ -154,7 +155,7 @@ void __cfg80211_send_disassoc(struct net
return;
- if (memcmp(mgmt->bssid, ifibss->bssid, ETH_ALEN) != 0 &&
---- a/net/mac80211/rc80211_minstrel_ht.c
-+++ b/net/mac80211/rc80211_minstrel_ht.c
-@@ -659,18 +659,14 @@ minstrel_ht_update_caps(void *priv, stru
- struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
- struct ieee80211_local *local = hw_to_local(mp->hw);
- u16 sta_cap = sta->ht_cap.cap;
-+ int n_supported = 0;
- int ack_dur;
- int stbc;
- int i;
-
- /* fall back to the old minstrel for legacy stations */
-- if (!sta->ht_cap.ht_supported) {
-- msp->is_ht = false;
-- memset(&msp->legacy, 0, sizeof(msp->legacy));
-- msp->legacy.r = msp->ratelist;
-- msp->legacy.sample_table = msp->sample_table;
-- return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
+ if (wdev->current_bss &&
+- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) {
+ cfg80211_sme_disassoc(dev, wdev->current_bss);
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
+@@ -165,7 +166,7 @@ void __cfg80211_send_disassoc(struct net
+
+ reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+
+- from_ap = memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0;
++ from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0;
+ __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap);
+ }
+ EXPORT_SYMBOL(__cfg80211_send_disassoc);
+@@ -285,7 +286,7 @@ int __cfg80211_mlme_auth(struct cfg80211
+ return -EINVAL;
+
+ if (wdev->current_bss &&
+- memcmp(bssid, wdev->current_bss->pub.bssid, ETH_ALEN) == 0)
++ compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0)
+ return -EALREADY;
+
+ memset(&req, 0, sizeof(req));
+@@ -362,7 +363,7 @@ int __cfg80211_mlme_assoc(struct cfg8021
+ memset(&req, 0, sizeof(req));
+
+ if (wdev->current_bss && prev_bssid &&
+- memcmp(wdev->current_bss->pub.bssid, prev_bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) {
+ /*
+ * Trying to reassociate: Allow this to proceed and let the old
+ * association to be dropped when the new one is completed.
+@@ -446,7 +447,8 @@ int __cfg80211_mlme_deauth(struct cfg802
+
+ if (local_state_change) {
+ if (wdev->current_bss &&
+- memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0) {
++ compare_ether_addr(wdev->current_bss->pub.bssid, bssid)
++ == 0) {
+ cfg80211_unhold_bss(wdev->current_bss);
+ cfg80211_put_bss(&wdev->current_bss->pub);
+ wdev->current_bss = NULL;
+@@ -495,7 +497,7 @@ static int __cfg80211_mlme_disassoc(stru
+ req.local_state_change = local_state_change;
+ req.ie = ie;
+ req.ie_len = ie_len;
+- if (memcmp(wdev->current_bss->pub.bssid, bssid, ETH_ALEN) == 0)
++ if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0)
+ req.bss = &wdev->current_bss->pub;
+ else
+ return -ENOTCONN;
+@@ -758,8 +760,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+ break;
+ }
+
+- if (memcmp(wdev->current_bss->pub.bssid,
+- mgmt->bssid, ETH_ALEN)) {
++ if (compare_ether_addr(wdev->current_bss->pub.bssid,
++ mgmt->bssid)) {
+ err = -ENOTCONN;
+ break;
+ }
+@@ -772,8 +774,8 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+ break;
+
+ /* for station, check that DA is the AP */
+- if (memcmp(wdev->current_bss->pub.bssid,
+- mgmt->da, ETH_ALEN)) {
++ if (compare_ether_addr(wdev->current_bss->pub.bssid,
++ mgmt->da)) {
+ err = -ENOTCONN;
+ break;
+ }
+@@ -781,11 +783,11 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_P2P_GO:
+ case NL80211_IFTYPE_AP_VLAN:
+- if (memcmp(mgmt->bssid, dev->dev_addr, ETH_ALEN))
++ if (compare_ether_addr(mgmt->bssid, dev->dev_addr))
+ err = -EINVAL;
+ break;
+ case NL80211_IFTYPE_MESH_POINT:
+- if (memcmp(mgmt->sa, mgmt->bssid, ETH_ALEN)) {
++ if (compare_ether_addr(mgmt->sa, mgmt->bssid)) {
+ err = -EINVAL;
+ break;
+ }
+@@ -804,7 +806,7 @@ int cfg80211_mlme_mgmt_tx(struct cfg8021
+ return err;
+ }
+
+- if (memcmp(mgmt->sa, dev->dev_addr, ETH_ALEN) != 0)
++ if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0)
+ return -EINVAL;
+
+ /* Transmit the Action frame as requested by user space */
+--- a/net/wireless/scan.c
++++ b/net/wireless/scan.c
+@@ -378,7 +378,7 @@ static int cmp_bss_core(struct cfg80211_
+ b->len_information_elements);
+ }
+
+- return memcmp(a->bssid, b->bssid, ETH_ALEN);
++ return compare_ether_addr(a->bssid, b->bssid);
+ }
+
+ static int cmp_bss(struct cfg80211_bss *a,
+--- a/drivers/net/wireless/ath/ath9k/Kconfig
++++ b/drivers/net/wireless/ath/ath9k/Kconfig
+@@ -81,6 +81,14 @@ config ATH9K_DFS_CERTIFIED
+ developed. At this point enabling this option won't do anything
+ except increase code size.
+
++config ATH9K_MAC_DEBUG
++ bool "Atheros MAC statistics"
++ depends on ATH9K_DEBUGFS
++ default y
++ ---help---
++ This option enables collection of statistics for Rx/Tx status
++ data and some other MAC related statistics
++
+ config ATH9K_RATE_CONTROL
+ bool "Atheros ath9k rate control"
+ depends on ATH9K
+--- a/drivers/net/wireless/ath/ath9k/debug.c
++++ b/drivers/net/wireless/ath/ath9k/debug.c
+@@ -818,6 +818,7 @@ void ath_debug_stat_tx(struct ath_softc
+ if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
+ TX_STAT_INC(qnum, delim_underrun);
+
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+ spin_lock(&sc->debug.samp_lock);
+ TX_SAMP_DBG(jiffies) = jiffies;
+ TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
+@@ -844,6 +845,7 @@ void ath_debug_stat_tx(struct ath_softc
+
+ sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
+ spin_unlock(&sc->debug.samp_lock);
++#endif
+
+ #undef TX_SAMP_DBG
+ }
+@@ -942,27 +944,6 @@ static ssize_t read_file_recv(struct fil
+ PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+
+ len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "RSSI-CTL0",
+- sc->debug.stats.rxstats.rs_rssi_ctl0);
+- len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "RSSI-CTL1",
+- sc->debug.stats.rxstats.rs_rssi_ctl1);
+- len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "RSSI-CTL2",
+- sc->debug.stats.rxstats.rs_rssi_ctl2);
+- len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "RSSI-EXT0",
+- sc->debug.stats.rxstats.rs_rssi_ext0);
+- len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "RSSI-EXT1",
+- sc->debug.stats.rxstats.rs_rssi_ext1);
+- len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "RSSI-EXT2",
+- sc->debug.stats.rxstats.rs_rssi_ext2);
+- len += snprintf(buf + len, size - len,
+- "%22s : %10d\n", "Rx Antenna",
+- sc->debug.stats.rxstats.rs_antenna);
+- len += snprintf(buf + len, size - len,
+ "%22s : %10u\n", "RX-Pkts-All",
+ sc->debug.stats.rxstats.rx_pkts_all);
+ len += snprintf(buf + len, size - len,
+@@ -1009,16 +990,7 @@ void ath_debug_stat_rx(struct ath_softc
+ RX_PHY_ERR_INC(rs->rs_phyerr);
+ }
+
+- sc->debug.stats.rxstats.rs_rssi_ctl0 = rs->rs_rssi_ctl0;
+- sc->debug.stats.rxstats.rs_rssi_ctl1 = rs->rs_rssi_ctl1;
+- sc->debug.stats.rxstats.rs_rssi_ctl2 = rs->rs_rssi_ctl2;
+-
+- sc->debug.stats.rxstats.rs_rssi_ext0 = rs->rs_rssi_ext0;
+- sc->debug.stats.rxstats.rs_rssi_ext1 = rs->rs_rssi_ext1;
+- sc->debug.stats.rxstats.rs_rssi_ext2 = rs->rs_rssi_ext2;
+-
+- sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
+-
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+ spin_lock(&sc->debug.samp_lock);
+ RX_SAMP_DBG(jiffies) = jiffies;
+ RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
+@@ -1035,6 +1007,8 @@ void ath_debug_stat_rx(struct ath_softc
+ sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
+ spin_unlock(&sc->debug.samp_lock);
+
++#endif
++
+ #undef RX_STAT_INC
+ #undef RX_PHY_ERR_INC
+ #undef RX_SAMP_DBG
+@@ -1278,6 +1252,8 @@ static const struct file_operations fops
+ .llseek = default_llseek,
+ };
+
++#ifdef CONFIG_ATH9K_MAC_DEBUG
++
+ void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+ {
+ #define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
+@@ -1551,6 +1527,7 @@ static const struct file_operations fops
+ .llseek = default_llseek,
+ };
+
++#endif
+
+ int ath9k_init_debug(struct ath_hw *ah)
+ {
+@@ -1604,8 +1581,10 @@ int ath9k_init_debug(struct ath_hw *ah)
+ &fops_base_eeprom);
+ debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_modal_eeprom);
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+ debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_samps);
++#endif
+
+ debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
+--- a/drivers/net/wireless/ath/ath9k/debug.h
++++ b/drivers/net/wireless/ath/ath9k/debug.h
+@@ -165,13 +165,6 @@ struct ath_rx_stats {
+ u32 post_delim_crc_err;
+ u32 decrypt_busy_err;
+ u32 phy_err_stats[ATH9K_PHYERR_MAX];
+- int8_t rs_rssi_ctl0;
+- int8_t rs_rssi_ctl1;
+- int8_t rs_rssi_ctl2;
+- int8_t rs_rssi_ext0;
+- int8_t rs_rssi_ext1;
+- int8_t rs_rssi_ext2;
+- u8 rs_antenna;
+ };
+
+ enum ath_reset_type {
+@@ -235,16 +228,17 @@ struct ath9k_debug {
+ struct dentry *debugfs_phy;
+ u32 regidx;
+ struct ath_stats stats;
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+ spinlock_t samp_lock;
+ struct ath_dbg_bb_mac_samp bb_mac_samp[ATH_DBG_MAX_SAMPLES];
+ u8 sampidx;
+ u8 tsidx;
+ u8 rsidx;
++#endif
+ };
+
+ int ath9k_init_debug(struct ath_hw *ah);
+
+-void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
+ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
+ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
+ struct ath_tx_status *ts, struct ath_txq *txq,
+@@ -258,10 +252,6 @@ static inline int ath9k_init_debug(struc
+ return 0;
+ }
+
+-static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+-{
+-}
+-
+ static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
+ enum ath9k_int status)
+ {
+@@ -282,4 +272,17 @@ static inline void ath_debug_stat_rx(str
+
+ #endif /* CONFIG_ATH9K_DEBUGFS */
+
++#ifdef CONFIG_ATH9K_MAC_DEBUG
++
++void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
++
++#else
++
++static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
++{
++}
++
++#endif
++
++
+ #endif /* DEBUG_H */
+--- a/drivers/net/wireless/ath/ath9k/init.c
++++ b/drivers/net/wireless/ath/ath9k/init.c
+@@ -555,9 +555,11 @@ static int ath9k_init_softc(u16 devid, s
+ mutex_init(&sc->mutex);
+ #ifdef CONFIG_ATH9K_DEBUGFS
+ spin_lock_init(&sc->nodes_lock);
+- spin_lock_init(&sc->debug.samp_lock);
+ INIT_LIST_HEAD(&sc->nodes);
+ #endif
++#ifdef CONFIG_ATH9K_MAC_DEBUG
++ spin_lock_init(&sc->debug.samp_lock);
++#endif
+ tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
+ tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
+ (unsigned long)sc);
+--- a/drivers/net/wireless/ath/ath9k/hw.c
++++ b/drivers/net/wireless/ath/ath9k/hw.c
+@@ -1386,10 +1386,16 @@ static bool ath9k_hw_set_reset_reg(struc
+ static bool ath9k_hw_chip_reset(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+ {
+- if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) {
+- if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON))
+- return false;
+- } else if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM))
++ int reset_type = ATH9K_RESET_WARM;
++
++ if (AR_SREV_9280(ah)) {
++ if (ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
++ reset_type = ATH9K_RESET_POWER_ON;
++ else
++ reset_type = ATH9K_RESET_COLD;
++ }
++
++ if (!ath9k_hw_set_reset_reg(ah, reset_type))
+ return false;
+
+ if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
+--- a/drivers/net/wireless/ath/ath5k/base.c
++++ b/drivers/net/wireless/ath/ath5k/base.c
+@@ -2330,15 +2330,6 @@ ath5k_calibrate_work(struct work_struct
+ "got new rfgain, resetting\n");
+ ieee80211_queue_work(ah->hw, &ah->reset_work);
+ }
+-
+- /* TODO: On full calibration we should stop TX here,
+- * so that it doesn't interfere (mostly due to gain_f
+- * calibration that messes with tx packets -see phy.c).
+- *
+- * NOTE: Stopping the queues from above is not enough
+- * to stop TX but saves us from disconecting (at least
+- * we don't lose packets). */
+- ieee80211_stop_queues(ah->hw);
+ } else
+ ah->ah_cal_mask |= AR5K_CALIBRATION_SHORT;
+
+@@ -2353,10 +2344,9 @@ ath5k_calibrate_work(struct work_struct
+ ah->curchan->center_freq));
+
+ /* Clear calibration flags */
+- if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
+- ieee80211_wake_queues(ah->hw);
++ if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL)
+ ah->ah_cal_mask &= ~AR5K_CALIBRATION_FULL;
+- } else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
++ else if (ah->ah_cal_mask & AR5K_CALIBRATION_SHORT)
+ ah->ah_cal_mask &= ~AR5K_CALIBRATION_SHORT;
+ }
+
+--- a/drivers/net/wireless/ath/ath5k/phy.c
++++ b/drivers/net/wireless/ath/ath5k/phy.c
+@@ -1871,31 +1871,15 @@ ath5k_hw_phy_calibrate(struct ath5k_hw *
+ ret = 0;
+ }
+
+- /* On full calibration do an AGC calibration and
+- * request a PAPD probe for gainf calibration if
+- * needed */
+- if (ah->ah_cal_mask & AR5K_CALIBRATION_FULL) {
++ /* On full calibration request a PAPD probe for
++ * gainf calibration if needed */
++ if ((ah->ah_cal_mask & AR5K_CALIBRATION_FULL) &&
++ (ah->ah_radio == AR5K_RF5111 ||
++ ah->ah_radio == AR5K_RF5112) &&
++ channel->hw_value != AR5K_MODE_11B)
++ ath5k_hw_request_rfgain_probe(ah);
+
+- AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_AGCCTL,
+- AR5K_PHY_AGCCTL_CAL);
+-
+- ret = ath5k_hw_register_timeout(ah, AR5K_PHY_AGCCTL,
+- AR5K_PHY_AGCCTL_CAL | AR5K_PHY_AGCCTL_NF,
+- 0, false);
+- if (ret) {
+- ATH5K_ERR(ah,
+- "gain calibration timeout (%uMHz)\n",
+- channel->center_freq);
+- }
+-
+- if ((ah->ah_radio == AR5K_RF5111 ||
+- ah->ah_radio == AR5K_RF5112)
+- && (channel->hw_value != AR5K_MODE_11B))
+- ath5k_hw_request_rfgain_probe(ah);
- }
-+ if (!sta->ht_cap.ht_supported)
-+ goto use_legacy;
+-
+- /* Update noise floor
+- * XXX: Only do this after AGC calibration */
++ /* Update noise floor */
+ if (!(ah->ah_cal_mask & AR5K_CALIBRATION_NF))
+ ath5k_hw_update_noise_floor(ah);
+
+--- a/drivers/net/wireless/ath/ath9k/recv.c
++++ b/drivers/net/wireless/ath/ath9k/recv.c
+@@ -232,7 +232,6 @@ static void ath_rx_edma_cleanup(struct a
+ static void ath_rx_edma_init_queue(struct ath_rx_edma *rx_edma, int size)
+ {
+ skb_queue_head_init(&rx_edma->rx_fifo);
+- skb_queue_head_init(&rx_edma->rx_buffers);
+ rx_edma->rx_fifo_hwsize = size;
+ }
+
+@@ -658,7 +657,9 @@ static void ath_rx_ps(struct ath_softc *
+ }
+
+ static bool ath_edma_get_buffers(struct ath_softc *sc,
+- enum ath9k_rx_qtype qtype)
++ enum ath9k_rx_qtype qtype,
++ struct ath_rx_status *rs,
++ struct ath_buf **dest)
+ {
+ struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
+ struct ath_hw *ah = sc->sc_ah;
+@@ -677,7 +678,7 @@ static bool ath_edma_get_buffers(struct
+ dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
+ common->rx_bufsize, DMA_FROM_DEVICE);
+
+- ret = ath9k_hw_process_rxdesc_edma(ah, NULL, skb->data);
++ ret = ath9k_hw_process_rxdesc_edma(ah, rs, skb->data);
+ if (ret == -EINPROGRESS) {
+ /*let device gain the buffer again*/
+ dma_sync_single_for_device(sc->dev, bf->bf_buf_addr,
+@@ -690,20 +691,21 @@ static bool ath_edma_get_buffers(struct
+ /* corrupt descriptor, skip this one and the following one */
+ list_add_tail(&bf->list, &sc->rx.rxbuf);
+ ath_rx_edma_buf_link(sc, qtype);
+- skb = skb_peek(&rx_edma->rx_fifo);
+- if (!skb)
+- return true;
+
+- bf = SKB_CB_ATHBUF(skb);
+- BUG_ON(!bf);
++ skb = skb_peek(&rx_edma->rx_fifo);
++ if (skb) {
++ bf = SKB_CB_ATHBUF(skb);
++ BUG_ON(!bf);
+
+- __skb_unlink(skb, &rx_edma->rx_fifo);
+- list_add_tail(&bf->list, &sc->rx.rxbuf);
+- ath_rx_edma_buf_link(sc, qtype);
+- return true;
++ __skb_unlink(skb, &rx_edma->rx_fifo);
++ list_add_tail(&bf->list, &sc->rx.rxbuf);
++ ath_rx_edma_buf_link(sc, qtype);
++ } else {
++ bf = NULL;
++ }
+ }
+- skb_queue_tail(&rx_edma->rx_buffers, skb);
+
++ *dest = bf;
+ return true;
+ }
+
+@@ -711,18 +713,15 @@ static struct ath_buf *ath_edma_get_next
+ struct ath_rx_status *rs,
+ enum ath9k_rx_qtype qtype)
+ {
+- struct ath_rx_edma *rx_edma = &sc->rx.rx_edma[qtype];
+- struct sk_buff *skb;
+- struct ath_buf *bf;
++ struct ath_buf *bf = NULL;
+
+- while (ath_edma_get_buffers(sc, qtype));
+- skb = __skb_dequeue(&rx_edma->rx_buffers);
+- if (!skb)
+- return NULL;
++ while (ath_edma_get_buffers(sc, qtype, rs, &bf)) {
++ if (!bf)
++ continue;
- BUILD_BUG_ON(ARRAY_SIZE(minstrel_mcs_groups) !=
- MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS);
-@@ -725,7 +721,22 @@ minstrel_ht_update_caps(void *priv, stru
+- bf = SKB_CB_ATHBUF(skb);
+- ath9k_hw_process_rxdesc_edma(sc->sc_ah, rs, skb->data);
+- return bf;
++ return bf;
++ }
++ return NULL;
+ }
+
+ static struct ath_buf *ath_get_next_rx_buf(struct ath_softc *sc,
+@@ -954,6 +953,7 @@ static void ath9k_process_rssi(struct at
+ struct ath_softc *sc = hw->priv;
+ struct ath_hw *ah = common->ah;
+ int last_rssi;
++ int rssi = rx_stats->rs_rssi;
+
+ if (!rx_stats->is_mybeacon ||
+ ((ah->opmode != NL80211_IFTYPE_STATION) &&
+@@ -965,13 +965,12 @@ static void ath9k_process_rssi(struct at
+
+ last_rssi = sc->last_rssi;
+ if (likely(last_rssi != ATH_RSSI_DUMMY_MARKER))
+- rx_stats->rs_rssi = ATH_EP_RND(last_rssi,
+- ATH_RSSI_EP_MULTIPLIER);
+- if (rx_stats->rs_rssi < 0)
+- rx_stats->rs_rssi = 0;
++ rssi = ATH_EP_RND(last_rssi, ATH_RSSI_EP_MULTIPLIER);
++ if (rssi < 0)
++ rssi = 0;
+
+ /* Update Beacon RSSI, this is used by ANI. */
+- ah->stats.avgbrssi = rx_stats->rs_rssi;
++ ah->stats.avgbrssi = rssi;
+ }
+
+ /*
+@@ -988,8 +987,6 @@ static int ath9k_rx_skb_preprocess(struc
+ {
+ struct ath_hw *ah = common->ah;
+
+- memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
+-
+ /*
+ * everything but the rate is checked here, the rate check is done
+ * separately to avoid doing two lookups for a rate for each frame.
+@@ -1011,6 +1008,8 @@ static int ath9k_rx_skb_preprocess(struc
+ rx_status->signal = ah->noise + rx_stats->rs_rssi;
+ rx_status->antenna = rx_stats->rs_antenna;
+ rx_status->flag |= RX_FLAG_MACTIME_MPDU;
++ if (rx_stats->rs_moreaggr)
++ rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
- mi->groups[i].supported =
- mcs->rx_mask[minstrel_mcs_groups[i].streams - 1];
+ return 0;
+ }
+@@ -1845,6 +1844,8 @@ int ath_rx_tasklet(struct ath_softc *sc,
+ if (sc->sc_flags & SC_OP_RXFLUSH)
+ goto requeue_drop_frag;
+
++ memset(rxs, 0, sizeof(struct ieee80211_rx_status));
+
-+ if (mi->groups[i].supported)
-+ n_supported++;
+ rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
+ if (rs.rs_tstamp > tsf_lower &&
+ unlikely(rs.rs_tstamp - tsf_lower > 0x10000000))
+--- a/drivers/net/wireless/ath/ath9k/beacon.c
++++ b/drivers/net/wireless/ath/ath9k/beacon.c
+@@ -91,7 +91,7 @@ static void ath_beacon_setup(struct ath_
+ info.txpower = MAX_RATE_POWER;
+ info.keyix = ATH9K_TXKEYIX_INVALID;
+ info.keytype = ATH9K_KEY_TYPE_CLEAR;
+- info.flags = ATH9K_TXDESC_NOACK;
++ info.flags = ATH9K_TXDESC_NOACK | ATH9K_TXDESC_INTREQ;
+
+ info.buf_addr[0] = bf->bf_buf_addr;
+ info.buf_len[0] = roundup(skb->len, 4);
+@@ -355,7 +355,6 @@ void ath_beacon_tasklet(unsigned long da
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_buf *bf = NULL;
+ struct ieee80211_vif *vif;
+- struct ath_tx_status ts;
+ bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
+ int slot;
+ u32 bfaddr, bc = 0;
+@@ -462,11 +461,6 @@ void ath_beacon_tasklet(unsigned long da
+ ath9k_hw_txstart(ah, sc->beacon.beaconq);
+
+ sc->beacon.ast_be_xmit += bc; /* XXX per-vif? */
+- if (edma) {
+- spin_lock_bh(&sc->sc_pcu_lock);
+- ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
+- spin_unlock_bh(&sc->sc_pcu_lock);
+- }
}
+ }
+
+--- a/drivers/net/wireless/ath/ath9k/mac.c
++++ b/drivers/net/wireless/ath/ath9k/mac.c
+@@ -745,7 +745,11 @@ int ath9k_hw_beaconq_setup(struct ath_hw
+ qi.tqi_aifs = 1;
+ qi.tqi_cwmin = 0;
+ qi.tqi_cwmax = 0;
+- /* NB: don't enable any interrupts */
+
-+ if (!n_supported)
-+ goto use_legacy;
++ if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
++ qi.tqi_qflags = TXQ_FLAG_TXOKINT_ENABLE |
++ TXQ_FLAG_TXERRINT_ENABLE;
+
-+ return;
+ return ath9k_hw_setuptxqueue(ah, ATH9K_TX_QUEUE_BEACON, &qi);
+ }
+ EXPORT_SYMBOL(ath9k_hw_beaconq_setup);
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -118,13 +118,15 @@ void ath9k_ps_restore(struct ath_softc *
+ if (--sc->ps_usecount != 0)
+ goto unlock;
+
+- if (sc->ps_idle && (sc->ps_flags & PS_WAIT_FOR_TX_ACK))
++ if (sc->ps_flags & PS_WAIT_FOR_TX_ACK)
++ goto unlock;
+
-+use_legacy:
-+ msp->is_ht = false;
-+ memset(&msp->legacy, 0, sizeof(msp->legacy));
-+ msp->legacy.r = msp->ratelist;
-+ msp->legacy.sample_table = msp->sample_table;
-+ return mac80211_minstrel.rate_init(priv, sband, sta, &msp->legacy);
++ if (sc->ps_idle)
+ mode = ATH9K_PM_FULL_SLEEP;
+ else if (sc->ps_enabled &&
+ !(sc->ps_flags & (PS_WAIT_FOR_BEACON |
+ PS_WAIT_FOR_CAB |
+- PS_WAIT_FOR_PSPOLL_DATA |
+- PS_WAIT_FOR_TX_ACK)))
++ PS_WAIT_FOR_PSPOLL_DATA)))
+ mode = ATH9K_PM_NETWORK_SLEEP;
+ else
+ goto unlock;
+@@ -1955,6 +1957,7 @@ static void ath9k_config_bss(struct ath_
+ sc->sc_flags &= ~SC_OP_ANI_RUN;
+ del_timer_sync(&common->ani.timer);
+ memset(&sc->caldata, 0, sizeof(sc->caldata));
++ ath9k_hw_ani_init(sc->sc_ah);
+ }
+ }
+
+@@ -2300,6 +2303,7 @@ static int ath9k_tx_last_beacon(struct i
+ struct ath_vif *avp;
+ struct ath_buf *bf;
+ struct ath_tx_status ts;
++ bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
+ int status;
+
+ vif = sc->beacon.bslot[0];
+@@ -2310,7 +2314,7 @@ static int ath9k_tx_last_beacon(struct i
+ if (!avp->is_bslot_active)
+ return 0;
+
+- if (!sc->beacon.tx_processed) {
++ if (!sc->beacon.tx_processed && !edma) {
+ tasklet_disable(&sc->bcon_tasklet);
+
+ bf = avp->av_bcbuf;
+--- a/drivers/net/wireless/ath/ath9k/xmit.c
++++ b/drivers/net/wireless/ath/ath9k/xmit.c
+@@ -2296,9 +2296,12 @@ void ath_tx_edma_tasklet(struct ath_soft
+ break;
+ }
+
+- /* Skip beacon completions */
+- if (ts.qid == sc->beacon.beaconq)
++ /* Process beacon completions separately */
++ if (ts.qid == sc->beacon.beaconq) {
++ sc->beacon.tx_processed = true;
++ sc->beacon.tx_last = !(ts.ts_status & ATH9K_TXERR_MASK);
+ continue;
++ }
+
+ txq = &sc->tx.txq[ts.qid];
+
+--- a/drivers/net/wireless/ath/ath9k/ath9k.h
++++ b/drivers/net/wireless/ath/ath9k/ath9k.h
+@@ -299,7 +299,6 @@ struct ath_tx {
+
+ struct ath_rx_edma {
+ struct sk_buff_head rx_fifo;
+- struct sk_buff_head rx_buffers;
+ u32 rx_fifo_hwsize;
+ };
+
+--- a/drivers/net/wireless/ath/ath9k/ani.c
++++ b/drivers/net/wireless/ath/ath9k/ani.c
+@@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry
+ { 5, 4, 1 }, /* lvl 5 */
+ { 6, 5, 1 }, /* lvl 6 */
+ { 7, 6, 1 }, /* lvl 7 */
+- { 7, 7, 1 }, /* lvl 8 */
+- { 7, 8, 0 } /* lvl 9 */
++ { 7, 6, 0 }, /* lvl 8 */
++ { 7, 7, 0 } /* lvl 9 */
+ };
+ #define ATH9K_ANI_OFDM_NUM_LEVEL \
+ ARRAY_SIZE(ofdm_level_table)
+@@ -91,8 +91,8 @@ static const struct ani_cck_level_entry
+ { 4, 0 }, /* lvl 4 */
+ { 5, 0 }, /* lvl 5 */
+ { 6, 0 }, /* lvl 6 */
+- { 7, 0 }, /* lvl 7 (only for high rssi) */
+- { 8, 0 } /* lvl 8 (only for high rssi) */
++ { 6, 0 }, /* lvl 7 (only for high rssi) */
++ { 7, 0 } /* lvl 8 (only for high rssi) */
+ };
+
+ #define ATH9K_ANI_CCK_NUM_LEVEL \
+@@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct
+ ATH9K_ANI_FIRSTEP_LEVEL,
+ entry_ofdm->fir_step_level);
+
+- if ((ah->opmode != NL80211_IFTYPE_STATION &&
+- ah->opmode != NL80211_IFTYPE_ADHOC) ||
+- aniState->noiseFloor <= aniState->rssiThrHigh) {
+- if (aniState->ofdmWeakSigDetectOff)
+- /* force on ofdm weak sig detect */
+- ath9k_hw_ani_control(ah,
+- ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+- true);
+- else if (aniState->ofdmWeakSigDetectOff ==
+- entry_ofdm->ofdm_weak_signal_on)
++ if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
++ (aniState->ofdmWeakSigDetectOff !=
++ entry_ofdm->ofdm_weak_signal_on)) {
+ ath9k_hw_ani_control(ah,
+ ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
+ entry_ofdm->ofdm_weak_signal_on);
+@@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw
+ ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
+ cckPhyErrRate, aniState->ofdmsTurn);
+
+- if (aniState->listenTime > 5 * ah->aniperiod) {
+- if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
+- cckPhyErrRate <= ah->config.cck_trig_low) {
++ if (aniState->listenTime > ah->aniperiod) {
++ if (cckPhyErrRate < ah->config.cck_trig_low &&
++ ((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
++ aniState->ofdmNoiseImmunityLevel <
++ ATH9K_ANI_OFDM_DEF_LEVEL) ||
++ (ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
++ aniState->ofdmNoiseImmunityLevel >=
++ ATH9K_ANI_OFDM_DEF_LEVEL))) {
+ ath9k_hw_ani_lower_immunity(ah);
+ aniState->ofdmsTurn = !aniState->ofdmsTurn;
+- }
+- ath9k_ani_restart(ah);
+- } else if (aniState->listenTime > ah->aniperiod) {
+- /* check to see if need to raise immunity */
+- if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
+- (cckPhyErrRate <= ah->config.cck_trig_high ||
+- aniState->ofdmsTurn)) {
++ } else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
++ aniState->ofdmNoiseImmunityLevel >=
++ ATH9K_ANI_OFDM_DEF_LEVEL) ||
++ (ofdmPhyErrRate >
++ ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
++ aniState->ofdmNoiseImmunityLevel <
++ ATH9K_ANI_OFDM_DEF_LEVEL)) {
+ ath9k_hw_ani_ofdm_err_trigger(ah);
+- ath9k_ani_restart(ah);
+ aniState->ofdmsTurn = false;
+ } else if (cckPhyErrRate > ah->config.cck_trig_high) {
+ ath9k_hw_ani_cck_err_trigger(ah);
+- ath9k_ani_restart(ah);
+ aniState->ofdmsTurn = true;
+ }
++ ath9k_ani_restart(ah);
+ }
}
+ EXPORT_SYMBOL(ath9k_hw_ani_monitor);
+@@ -911,3 +908,4 @@ void ath9k_hw_ani_init(struct ath_hw *ah
+ ath9k_ani_restart(ah);
+ ath9k_enable_mib_counters(ah);
+ }
++EXPORT_SYMBOL(ath9k_hw_ani_init);
+--- a/drivers/net/wireless/ath/ath9k/ani.h
++++ b/drivers/net/wireless/ath/ath9k/ani.h
+@@ -25,11 +25,13 @@
+
+ /* units are errors per second */
+ #define ATH9K_ANI_OFDM_TRIG_HIGH_OLD 500
+-#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 1000
++#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 3500
++#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
+
+ /* units are errors per second */
+ #define ATH9K_ANI_OFDM_TRIG_LOW_OLD 200
+ #define ATH9K_ANI_OFDM_TRIG_LOW_NEW 400
++#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
+
+ /* units are errors per second */
+ #define ATH9K_ANI_CCK_TRIG_HIGH_OLD 200
+@@ -53,7 +55,7 @@
+ #define ATH9K_ANI_RSSI_THR_LOW 7
+
+ #define ATH9K_ANI_PERIOD_OLD 100
+-#define ATH9K_ANI_PERIOD_NEW 1000
++#define ATH9K_ANI_PERIOD_NEW 300
+
+ /* in ms */
+ #define ATH9K_ANI_POLLINTERVAL_OLD 100
+--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+@@ -1056,46 +1056,8 @@ static bool ar5008_hw_ani_control_old(st
+ break;
+ }
+ case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
+- static const int m1ThreshLow[] = { 127, 50 };
+- static const int m2ThreshLow[] = { 127, 40 };
+- static const int m1Thresh[] = { 127, 0x4d };
+- static const int m2Thresh[] = { 127, 0x40 };
+- static const int m2CountThr[] = { 31, 16 };
+- static const int m2CountThrLow[] = { 63, 48 };
+ u32 on = param ? 1 : 0;
+
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+- AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
+- m1ThreshLow[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+- AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
+- m2ThreshLow[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+- AR_PHY_SFCORR_M1_THRESH,
+- m1Thresh[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+- AR_PHY_SFCORR_M2_THRESH,
+- m2Thresh[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+- AR_PHY_SFCORR_M2COUNT_THR,
+- m2CountThr[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
+- m2CountThrLow[on]);
+-
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
+- m1ThreshLow[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
+- m2ThreshLow[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M1_THRESH,
+- m1Thresh[on]);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M2_THRESH,
+- m2Thresh[on]);
+-
+ if (on)
+ REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
+ AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);
+--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+@@ -824,55 +824,6 @@ static bool ar9003_hw_ani_control(struct
+ * on == 0 means more noise imm
+ */
+ u32 on = param ? 1 : 0;
+- /*
+- * make register setting for default
+- * (weak sig detect ON) come from INI file
+- */
+- int m1ThreshLow = on ?
+- aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
+- int m2ThreshLow = on ?
+- aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
+- int m1Thresh = on ?
+- aniState->iniDef.m1Thresh : m1Thresh_off;
+- int m2Thresh = on ?
+- aniState->iniDef.m2Thresh : m2Thresh_off;
+- int m2CountThr = on ?
+- aniState->iniDef.m2CountThr : m2CountThr_off;
+- int m2CountThrLow = on ?
+- aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
+- int m1ThreshLowExt = on ?
+- aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
+- int m2ThreshLowExt = on ?
+- aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
+- int m1ThreshExt = on ?
+- aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
+- int m2ThreshExt = on ?
+- aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
+-
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+- AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
+- m1ThreshLow);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+- AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
+- m2ThreshLow);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+- AR_PHY_SFCORR_M1_THRESH, m1Thresh);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+- AR_PHY_SFCORR_M2_THRESH, m2Thresh);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR,
+- AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
+- AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
+- m2CountThrLow);
+-
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
+- REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
+- AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
+
+ if (on)
+ REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
+--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
++++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
+@@ -430,10 +430,14 @@ void rt2x00lib_txdone(struct queue_entry
+ /*
+ * If the data queue was below the threshold before the txdone
+ * handler we must make sure the packet queue in the mac80211 stack
+- * is reenabled when the txdone handler has finished.
++ * is reenabled when the txdone handler has finished. This has to be
++ * serialized with rt2x00mac_tx(), otherwise we can wake up queue
++ * before it was stopped.
+ */
++ spin_lock_bh(&entry->queue->tx_lock);
+ if (!rt2x00queue_threshold(entry->queue))
+ rt2x00queue_unpause_queue(entry->queue);
++ spin_unlock_bh(&entry->queue->tx_lock);
+ }
+ EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
+
+--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
++++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
+@@ -152,13 +152,22 @@ void rt2x00mac_tx(struct ieee80211_hw *h
+ if (unlikely(rt2x00queue_write_tx_frame(queue, skb, false)))
+ goto exit_fail;
+
++ /*
++ * Pausing queue has to be serialized with rt2x00lib_txdone(). Note
++ * we should not use spin_lock_bh variant as bottom halve was already
++ * disabled before ieee80211_xmit() call.
++ */
++ spin_lock(&queue->tx_lock);
+ if (rt2x00queue_threshold(queue))
+ rt2x00queue_pause_queue(queue);
++ spin_unlock(&queue->tx_lock);
+
+ return;
+
+ exit_fail:
++ spin_lock(&queue->tx_lock);
+ rt2x00queue_pause_queue(queue);
++ spin_unlock(&queue->tx_lock);
+ exit_free_skb:
+ ieee80211_free_txskb(hw, skb);
+ }
+--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
++++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
+@@ -619,6 +619,9 @@ int rt2x00queue_write_tx_frame(struct da
+ else if (test_bit(REQUIRE_DMA, &queue->rt2x00dev->cap_flags))
+ rt2x00queue_align_frame(skb);
+
++ /*
++ * That function must be called with bh disabled.
++ */
+ spin_lock(&queue->tx_lock);
- static void
+ if (unlikely(rt2x00queue_full(queue))) {
projects / openwrt.git / blobdiff