---- a/drivers/net/wireless/ath/ath9k/main.c
-+++ b/drivers/net/wireless/ath/ath9k/main.c
-@@ -324,7 +324,6 @@ static void ath_paprd_activate(struct at
- if (!caldata || !caldata->paprd_done)
- return;
+--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
++++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+@@ -510,7 +510,11 @@ 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 +536,7 @@ 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;
-- ath9k_ps_wakeup(sc);
- ar9003_paprd_enable(ah, false);
- for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
- if (!(common->tx_chainmask & BIT(chain)))
-@@ -334,7 +333,6 @@ static void ath_paprd_activate(struct at
+ sta_info = (void *) sta->drv_priv;
+- if (unlikely(sta_info->sleeping)) {
+- struct ieee80211_tx_info *tx_info;
++ tx_info = IEEE80211_SKB_CB(skb);
+
++ 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)
+
+@@ -1634,7 +1634,7 @@ 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 +1642,9 @@ 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 +2143,7 @@ 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);
- ar9003_paprd_enable(ah, true);
-- ath9k_ps_restore(sc);
+ return 0;
+- err_del_interface:
+- drv_remove_interface(local, sdata);
++
+ 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 bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain)
-@@ -554,8 +552,11 @@ set_timer:
- if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
- if (!ah->caldata->paprd_done)
- ieee80211_queue_work(sc->hw, &sc->paprd_work);
-- else if (!ah->paprd_table_write_done)
-+ else if (!ah->paprd_table_write_done) {
-+ ath9k_ps_wakeup(sc);
- ath_paprd_activate(sc);
-+ ath9k_ps_restore(sc);
++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
+@@ -489,12 +489,12 @@ 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;
+ }
+ }
+@@ -2282,6 +2282,7 @@ 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 +2337,7 @@ 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 +2493,15 @@ 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 +2855,16 @@ 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);
+--- 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
+@@ -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;
}
- }
-@@ -1376,7 +1377,6 @@ static void ath9k_calculate_summary_stat
+--- 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;
- ath9k_calculate_iter_data(hw, vif, &iter_data);
+ 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;
-- ath9k_ps_wakeup(sc);
- /* Set BSSID mask. */
- memcpy(common->bssidmask, iter_data.mask, ETH_ALEN);
- ath_hw_setbssidmask(common);
-@@ -1411,7 +1411,6 @@ static void ath9k_calculate_summary_stat
+- 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;
}
- ath9k_hw_set_interrupts(ah, ah->imask);
-- ath9k_ps_restore(sc);
-
- /* Set up ANI */
- if ((iter_data.naps + iter_data.nadhocs) > 0) {
-@@ -1457,6 +1456,7 @@ static int ath9k_add_interface(struct ie
- struct ath_vif *avp = (void *)vif->drv_priv;
- int ret = 0;
-
-+ ath9k_ps_wakeup(sc);
- mutex_lock(&sc->mutex);
-
- switch (vif->type) {
-@@ -1503,6 +1503,7 @@ static int ath9k_add_interface(struct ie
- ath9k_do_vif_add_setup(hw, vif);
- out:
- mutex_unlock(&sc->mutex);
-+ ath9k_ps_restore(sc);
- return ret;
- }
+@@ -657,7 +658,7 @@ int mpp_path_add(u8 *dst, u8 *mpp, struc
+ int err = 0;
+ u32 hash_idx;
-@@ -1517,6 +1518,7 @@ static int ath9k_change_interface(struct
+- 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;
- ath_dbg(common, ATH_DBG_CONFIG, "Change Interface\n");
- mutex_lock(&sc->mutex);
-+ ath9k_ps_wakeup(sc);
+@@ -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;
+ }
- /* See if new interface type is valid. */
- if ((new_type == NL80211_IFTYPE_ADHOC) &&
-@@ -1546,6 +1548,7 @@ static int ath9k_change_interface(struct
+@@ -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_
- ath9k_do_vif_add_setup(hw, vif);
- out:
-+ ath9k_ps_restore(sc);
- mutex_unlock(&sc->mutex);
- return ret;
- }
-@@ -1558,6 +1561,7 @@ static void ath9k_remove_interface(struc
+ memcpy(bssid, ifmgd->auth_data->bss->bssid, ETH_ALEN);
- ath_dbg(common, ATH_DBG_CONFIG, "Detach Interface\n");
+- if (memcmp(bssid, mgmt->bssid, ETH_ALEN))
++ if (compare_ether_addr(bssid, mgmt->bssid))
+ return RX_MGMT_NONE;
-+ ath9k_ps_wakeup(sc);
- mutex_lock(&sc->mutex);
+ auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
+@@ -1893,7 +1893,7 @@ ieee80211_rx_mgmt_deauth(struct ieee8021
+ return RX_MGMT_NONE;
- sc->nvifs--;
-@@ -1569,6 +1573,7 @@ static void ath9k_remove_interface(struc
- ath9k_calculate_summary_state(hw, NULL);
+ if (!ifmgd->associated ||
+- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+ return RX_MGMT_NONE;
- mutex_unlock(&sc->mutex);
-+ ath9k_ps_restore(sc);
- }
+ bssid = ifmgd->associated->bssid;
+@@ -1925,7 +1925,7 @@ ieee80211_rx_mgmt_disassoc(struct ieee80
+ return RX_MGMT_NONE;
- static void ath9k_enable_ps(struct ath_softc *sc)
-@@ -1809,6 +1814,7 @@ static int ath9k_conf_tx(struct ieee8021
+ if (!ifmgd->associated ||
+- memcmp(mgmt->bssid, ifmgd->associated->bssid, ETH_ALEN))
++ compare_ether_addr(mgmt->bssid, ifmgd->associated->bssid))
+ return RX_MGMT_NONE;
- txq = sc->tx.txq_map[queue];
+ reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
+@@ -2190,7 +2190,7 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee
-+ ath9k_ps_wakeup(sc);
- mutex_lock(&sc->mutex);
+ 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;
- memset(&qi, 0, sizeof(struct ath9k_tx_queue_info));
-@@ -1832,6 +1838,7 @@ static int ath9k_conf_tx(struct ieee8021
- ath_beaconq_config(sc);
+ /*
+@@ -2278,8 +2278,8 @@ static void ieee80211_rx_bss_info(struct
+ bool need_ps = false;
- mutex_unlock(&sc->mutex);
-+ ath9k_ps_restore(sc);
+ 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
- return ret;
- }
-@@ -1908,6 +1915,7 @@ static void ath9k_bss_info_changed(struc
- int slottime;
- int error;
+ 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);
-+ ath9k_ps_wakeup(sc);
- mutex_lock(&sc->mutex);
+ 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 (changed & BSS_CHANGED_BSSID) {
-@@ -2008,6 +2016,7 @@ static void ath9k_bss_info_changed(struc
+ 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);
}
- mutex_unlock(&sc->mutex);
-+ ath9k_ps_restore(sc);
+@@ -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
+
+ 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 (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;
- static u64 ath9k_get_tsf(struct ieee80211_hw *hw)
---- a/drivers/net/wireless/ath/ath9k/beacon.c
-+++ b/drivers/net/wireless/ath/ath9k/beacon.c
-@@ -392,14 +392,6 @@ void ath_beacon_tasklet(unsigned long da
- tsf += TU_TO_USEC(ah->config.sw_beacon_response_time);
- tsftu = TSF_TO_TU((tsf * ATH_BCBUF) >>32, tsf * ATH_BCBUF);
- slot = (tsftu % (intval * ATH_BCBUF)) / intval;
-- /*
-- * Reverse the slot order to get slot 0 on the TBTT offset that does
-- * not require TSF adjustment and other slots adding
-- * slot/ATH_BCBUF * beacon_int to timestamp. For example, with
-- * ATH_BCBUF = 4, we process beacon slots as follows: 3 2 1 0 3 2 1 ..
-- * and slot 0 is at correct offset to TBTT.
-- */
-- slot = ATH_BCBUF - slot - 1;
- vif = sc->beacon.bslot[slot];
-
- ath_dbg(common, ATH_DBG_BEACON,
-@@ -708,7 +700,7 @@ void ath_beacon_config(struct ath_softc
- if (cur_conf->dtim_period == 0)
- cur_conf->dtim_period = 1;
-
-- switch (iftype) {
-+ switch (sc->sc_ah->opmode) {
- case NL80211_IFTYPE_AP:
- ath_beacon_config_ap(sc, cur_conf);
- break;
---- a/net/mac80211/rx.c
-+++ b/net/mac80211/rx.c
-@@ -1585,7 +1585,7 @@ ieee80211_drop_unencrypted_mgmt(struct i
+ 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
--__ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
-+__ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control)
- {
- struct ieee80211_sub_if_data *sdata = rx->sdata;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
-@@ -1593,6 +1593,7 @@ __ieee80211_data_to_8023(struct ieee8021
- struct ethhdr *ehdr;
- int ret;
-
-+ *port_control = false;
- if (ieee80211_has_a4(hdr->frame_control) &&
- sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
- return -1;
-@@ -1611,12 +1612,16 @@ __ieee80211_data_to_8023(struct ieee8021
- return -1;
-
- ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
-- if (ret < 0 || !check_port_control)
-+ if (ret < 0)
- return ret;
-
- ehdr = (struct ethhdr *) rx->skb->data;
-- if (ehdr->h_proto != rx->sdata->control_port_protocol)
-- return -1;
-+ if (ehdr->h_proto == rx->sdata->control_port_protocol) {
-+ *port_control = true;
+ 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
+
-+ if (check_port_control)
-+ return -1;
-+ }
+ 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);
- return 0;
++#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
}
-@@ -1916,6 +1921,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
- struct net_device *dev = sdata->dev;
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
- __le16 fc = hdr->frame_control;
-+ bool port_control;
- int err;
-
- if (unlikely(!ieee80211_is_data(hdr->frame_control)))
-@@ -1932,13 +1938,21 @@ ieee80211_rx_h_data(struct ieee80211_rx_
- sdata->vif.type == NL80211_IFTYPE_AP)
- return RX_DROP_MONITOR;
+@@ -1019,6 +1021,7 @@ void ath_debug_stat_rx(struct ath_softc
-- err = __ieee80211_data_to_8023(rx);
-+ err = __ieee80211_data_to_8023(rx, &port_control);
- if (unlikely(err))
- return RX_DROP_UNUSABLE;
+ sc->debug.stats.rxstats.rs_antenna = rs->rs_antenna;
- if (!ieee80211_frame_allowed(rx, fc))
- return RX_DROP_MONITOR;
++#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 +1038,8 @@ 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);
-+ if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
-+ unlikely(port_control) && sdata->bss) {
-+ sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
-+ u.ap);
-+ dev = sdata->dev;
-+ rx->sdata = sdata;
-+ }
++#endif
+
- rx->skb->dev = dev;
+ #undef RX_STAT_INC
+ #undef RX_PHY_ERR_INC
+ #undef RX_SAMP_DBG
+@@ -1278,6 +1283,8 @@ static const struct file_operations fops
+ .llseek = default_llseek,
+ };
- dev->stats.rx_packets++;
---- a/drivers/net/wireless/ath/ath9k/recv.c
-+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -75,7 +75,6 @@ static void ath_rx_buf_link(struct ath_s
- *sc->rx.rxlink = bf->bf_daddr;
++#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 +1558,7 @@ static const struct file_operations fops
+ .llseek = default_llseek,
+ };
- sc->rx.rxlink = &ds->ds_link;
-- ath9k_hw_rxena(ah);
- }
++#endif
- static void ath_setdefantenna(struct ath_softc *sc, u32 antenna)
-@@ -426,9 +425,7 @@ u32 ath_calcrxfilter(struct ath_softc *s
- else
- rfilt |= ATH9K_RX_FILTER_BEACON;
+ int ath9k_init_debug(struct ath_hw *ah)
+ {
+@@ -1604,8 +1612,10 @@ 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
-- if ((AR_SREV_9280_20_OR_LATER(sc->sc_ah) ||
-- AR_SREV_9285_12_OR_LATER(sc->sc_ah)) &&
-- (sc->sc_ah->opmode == NL80211_IFTYPE_AP) &&
-+ if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
- (sc->rx.rxfilter & FIF_PSPOLL))
- rfilt |= ATH9K_RX_FILTER_PSPOLL;
+ 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
+@@ -235,16 +235,17 @@ 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
+ };
-@@ -486,12 +483,12 @@ start_recv:
- bool ath_stoprecv(struct ath_softc *sc)
- {
- struct ath_hw *ah = sc->sc_ah;
-- bool stopped;
-+ bool stopped, reset = false;
-
- spin_lock_bh(&sc->rx.rxbuflock);
- ath9k_hw_abortpcurecv(ah);
- ath9k_hw_setrxfilter(ah, 0);
-- stopped = ath9k_hw_stopdmarecv(ah);
-+ stopped = ath9k_hw_stopdmarecv(ah, &reset);
-
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA)
- ath_edma_stop_recv(sc);
-@@ -506,7 +503,7 @@ bool ath_stoprecv(struct ath_softc *sc)
- "confusing the DMA engine when we start RX up\n");
- ATH_DBG_WARN_ON_ONCE(!stopped);
- }
-- return stopped;
-+ return stopped || reset;
+ 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 +259,6 @@ static inline int ath9k_init_debug(struc
+ return 0;
}
- void ath_flushrecv(struct ath_softc *sc)
-@@ -1767,6 +1764,7 @@ requeue:
- } else {
- list_move_tail(&bf->list, &sc->rx.rxbuf);
- ath_rx_buf_link(sc, bf);
-+ ath9k_hw_rxena(ah);
- }
- } while (1);
-
---- a/drivers/net/wireless/ath/ath9k/hw.c
-+++ b/drivers/net/wireless/ath/ath9k/hw.c
-@@ -1249,15 +1249,6 @@ int ath9k_hw_reset(struct ath_hw *ah, st
- ah->txchainmask = common->tx_chainmask;
- ah->rxchainmask = common->rx_chainmask;
-
-- if ((common->bus_ops->ath_bus_type != ATH_USB) && !ah->chip_fullsleep) {
-- ath9k_hw_abortpcurecv(ah);
-- if (!ath9k_hw_stopdmarecv(ah)) {
-- ath_dbg(common, ATH_DBG_XMIT,
-- "Failed to stop receive dma\n");
-- bChannelChange = false;
-- }
-- }
+-static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+-{
+-}
-
- if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
- return -EIO;
+ static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
+ enum ath9k_int status)
+ {
+@@ -282,4 +279,17 @@ static inline void ath_debug_stat_rx(str
---- a/drivers/net/wireless/ath/ath9k/mac.c
-+++ b/drivers/net/wireless/ath/ath9k/mac.c
-@@ -710,27 +710,46 @@ void ath9k_hw_abortpcurecv(struct ath_hw
- }
- EXPORT_SYMBOL(ath9k_hw_abortpcurecv);
+ #endif /* CONFIG_ATH9K_DEBUGFS */
--bool ath9k_hw_stopdmarecv(struct ath_hw *ah)
-+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset)
- {
- #define AH_RX_STOP_DMA_TIMEOUT 10000 /* usec */
- struct ath_common *common = ath9k_hw_common(ah);
-+ u32 mac_status, last_mac_status = 0;
- int i;
-
-+ /* Enable access to the DMA observation bus */
-+ REG_WRITE(ah, AR_MACMISC,
-+ ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
-+ (AR_MACMISC_MISC_OBS_BUS_1 <<
-+ AR_MACMISC_MISC_OBS_BUS_MSB_S)));
++#ifdef CONFIG_ATH9K_MAC_DEBUG
+
- REG_WRITE(ah, AR_CR, AR_CR_RXD);
-
- /* Wait for rx enable bit to go low */
- for (i = AH_RX_STOP_DMA_TIMEOUT / AH_TIME_QUANTUM; i != 0; i--) {
- if ((REG_READ(ah, AR_CR) & AR_CR_RXE) == 0)
- break;
++void ath9k_debug_samp_bb_mac(struct ath_softc *sc);
+
-+ if (!AR_SREV_9300_20_OR_LATER(ah)) {
-+ mac_status = REG_READ(ah, AR_DMADBG_7) & 0x7f0;
-+ if (mac_status == 0x1c0 && mac_status == last_mac_status) {
-+ *reset = true;
-+ break;
-+ }
++#else
+
-+ last_mac_status = mac_status;
-+ }
++static inline void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
++{
++}
+
- udelay(AH_TIME_QUANTUM);
- }
-
- if (i == 0) {
- ath_err(common,
-- "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x\n",
-+ "DMA failed to stop in %d ms AR_CR=0x%08x AR_DIAG_SW=0x%08x DMADBG_7=0x%08x\n",
- AH_RX_STOP_DMA_TIMEOUT / 1000,
- REG_READ(ah, AR_CR),
-- REG_READ(ah, AR_DIAG_SW));
-+ REG_READ(ah, AR_DIAG_SW),
-+ REG_READ(ah, AR_DMADBG_7));
- return false;
- } else {
- return true;
---- a/drivers/net/wireless/ath/ath9k/mac.h
-+++ b/drivers/net/wireless/ath/ath9k/mac.h
-@@ -695,7 +695,7 @@ bool ath9k_hw_setrxabort(struct ath_hw *
- void ath9k_hw_putrxbuf(struct ath_hw *ah, u32 rxdp);
- void ath9k_hw_startpcureceive(struct ath_hw *ah, bool is_scanning);
- void ath9k_hw_abortpcurecv(struct ath_hw *ah);
--bool ath9k_hw_stopdmarecv(struct ath_hw *ah);
-+bool ath9k_hw_stopdmarecv(struct ath_hw *ah, bool *reset);
- int ath9k_hw_beaconq_setup(struct ath_hw *ah);
-
- /* Interrupt Handling */
++#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);
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