Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless

drivers/net/wireless/ath/ath5k/mac80211-ops.c

@@ -325,7 +325,7 @@ ath5k_prepare_multicast(struct ieee80211_hw *hw,
 	struct netdev_hw_addr *ha;
 
 	mfilt[0] = 0;
-	mfilt[1] = 1;
+	mfilt[1] = 0;
 
 	netdev_hw_addr_list_for_each(ha, mc_list) {
 		/* calculate XOR of eight 6-bit values */

drivers/net/wireless/ath/ath9k/ar5008_phy.c

@@ -610,7 +610,15 @@ static void ar5008_hw_override_ini(struct ath_hw *ah,
 	REG_SET_BIT(ah, AR_DIAG_SW, (AR_DIAG_RX_DIS | AR_DIAG_RX_ABORT));
 
 	if (AR_SREV_9280_20_OR_LATER(ah)) {
-		val = REG_READ(ah, AR_PCU_MISC_MODE2);
+		/*
+		 * For AR9280 and above, there is a new feature that allows
+		 * Multicast search based on both MAC Address and Key ID.
+		 * By default, this feature is enabled. But since the driver
+		 * is not using this feature, we switch it off; otherwise
+		 * multicast search based on MAC addr only will fail.
+		 */
+		val = REG_READ(ah, AR_PCU_MISC_MODE2) &
+			(~AR_ADHOC_MCAST_KEYID_ENABLE);
 
 		if (!AR_SREV_9271(ah))
 			val &= ~AR_PCU_MISC_MODE2_HWWAR1;

drivers/net/wireless/ath/ath9k/hif_usb.c

@@ -1082,7 +1082,7 @@ static void ath9k_hif_usb_firmware_fail(struct hif_device_usb *hif_dev)
 	struct device *dev = &hif_dev->udev->dev;
 	struct device *parent = dev->parent;
 
-	complete(&hif_dev->fw_done);
+	complete_all(&hif_dev->fw_done);
 
 	if (parent)
 		device_lock(parent);
@@ -1131,7 +1131,7 @@ static void ath9k_hif_usb_firmware_cb(const struct firmware *fw, void *context)
 
 	release_firmware(fw);
 	hif_dev->flags |= HIF_USB_READY;
-	complete(&hif_dev->fw_done);
+	complete_all(&hif_dev->fw_done);
 
 	return;
 
@@ -1295,7 +1295,9 @@ static void ath9k_hif_usb_disconnect(struct usb_interface *interface)
 
 	usb_set_intfdata(interface, NULL);
 
-	if (!unplugged && (hif_dev->flags & HIF_USB_START))
+	/* If firmware was loaded we should drop it
+	 * go back to first stage bootloader. */
+	if (!unplugged && (hif_dev->flags & HIF_USB_READY))
 		ath9k_hif_usb_reboot(udev);
 
 	kfree(hif_dev);
@@ -1316,7 +1318,10 @@ static int ath9k_hif_usb_suspend(struct usb_interface *interface,
 	if (!(hif_dev->flags & HIF_USB_START))
 		ath9k_htc_suspend(hif_dev->htc_handle);
 
-	ath9k_hif_usb_dealloc_urbs(hif_dev);
+	wait_for_completion(&hif_dev->fw_done);
+
+	if (hif_dev->flags & HIF_USB_READY)
+		ath9k_hif_usb_dealloc_urbs(hif_dev);
 
 	return 0;
 }

drivers/net/wireless/ath/ath9k/htc_drv_init.c

@@ -861,6 +861,7 @@ static int ath9k_init_device(struct ath9k_htc_priv *priv,
 	if (error != 0)
 		goto err_rx;
 
+	ath9k_hw_disable(priv->ah);
 #ifdef CONFIG_MAC80211_LEDS
 	/* must be initialized before ieee80211_register_hw */
 	priv->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(priv->hw,

drivers/net/wireless/ath/ath9k/xmit.c

@@ -146,6 +146,28 @@ static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
 			       ARRAY_SIZE(bf->rates));
 }
 
+static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq,
+			     struct sk_buff *skb)
+{
+	int q;
+
+	q = skb_get_queue_mapping(skb);
+	if (txq == sc->tx.uapsdq)
+		txq = sc->tx.txq_map[q];
+
+	if (txq != sc->tx.txq_map[q])
+		return;
+
+	if (WARN_ON(--txq->pending_frames < 0))
+		txq->pending_frames = 0;
+
+	if (txq->stopped &&
+	    txq->pending_frames < sc->tx.txq_max_pending[q]) {
+		ieee80211_wake_queue(sc->hw, q);
+		txq->stopped = false;
+	}
+}
+
 static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 {
 	struct ath_txq *txq = tid->ac->txq;
@@ -167,6 +189,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
 		if (!bf) {
 			bf = ath_tx_setup_buffer(sc, txq, tid, skb);
 			if (!bf) {
+				ath_txq_skb_done(sc, txq, skb);
 				ieee80211_free_txskb(sc->hw, skb);
 				continue;
 			}
@@ -811,6 +834,7 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq,
 
 		if (!bf) {
 			__skb_unlink(skb, &tid->buf_q);
+			ath_txq_skb_done(sc, txq, skb);
 			ieee80211_free_txskb(sc->hw, skb);
 			continue;
 		}
@@ -1852,6 +1876,7 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_txq *txq,
 
 	bf = ath_tx_setup_buffer(sc, txq, tid, skb);
 	if (!bf) {
+		ath_txq_skb_done(sc, txq, skb);
 		ieee80211_free_txskb(sc->hw, skb);
 		return;
 	}
@@ -2118,6 +2143,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
 
 	bf = ath_tx_setup_buffer(sc, txq, tid, skb);
 	if (!bf) {
+		ath_txq_skb_done(sc, txq, skb);
 		if (txctl->paprd)
 			dev_kfree_skb_any(skb);
 		else
@@ -2217,7 +2243,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data;
-	int q, padpos, padsize;
+	int padpos, padsize;
 	unsigned long flags;
 
 	ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb);
@@ -2253,21 +2279,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
 	spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
 
 	__skb_queue_tail(&txq->complete_q, skb);
-
-	q = skb_get_queue_mapping(skb);
-	if (txq == sc->tx.uapsdq)
-		txq = sc->tx.txq_map[q];
-
-	if (txq == sc->tx.txq_map[q]) {
-		if (WARN_ON(--txq->pending_frames < 0))
-			txq->pending_frames = 0;
-
-		if (txq->stopped &&
-		    txq->pending_frames < sc->tx.txq_max_pending[q]) {
-			ieee80211_wake_queue(sc->hw, q);
-			txq->stopped = false;
-		}
-	}
+	ath_txq_skb_done(sc, txq, skb);
 }
 
 static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,

drivers/net/wireless/ath/wil6210/debugfs.c

@@ -145,7 +145,7 @@ static void wil_print_ring(struct seq_file *s, const char *prefix,
 				   le16_to_cpu(hdr.type), hdr.flags);
 			if (len <= MAX_MBOXITEM_SIZE) {
 				int n = 0;
-				unsigned char printbuf[16 * 3 + 2];
+				char printbuf[16 * 3 + 2];
 				unsigned char databuf[MAX_MBOXITEM_SIZE];
 				void __iomem *src = wmi_buffer(wil, d.addr) +
 					sizeof(struct wil6210_mbox_hdr);
@@ -416,7 +416,7 @@ static int wil_txdesc_debugfs_show(struct seq_file *s, void *data)
 		seq_printf(s, "  SKB = %p\n", skb);
 
 		if (skb) {
-			unsigned char printbuf[16 * 3 + 2];
+			char printbuf[16 * 3 + 2];
 			int i = 0;
 			int len = le16_to_cpu(d->dma.length);
 			void *p = skb->data;

drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c

@@ -242,7 +242,7 @@ void brcmf_txflowblock_if(struct brcmf_if *ifp,
 {
 	unsigned long flags;
 
-	if (!ifp)
+	if (!ifp || !ifp->ndev)
 		return;
 
 	brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n",

drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c

@@ -1744,13 +1744,14 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb)
 	ulong flags;
 	int fifo = BRCMF_FWS_FIFO_BCMC;
 	bool multicast = is_multicast_ether_addr(eh->h_dest);
+	bool pae = eh->h_proto == htons(ETH_P_PAE);
 
 	/* determine the priority */
 	if (!skb->priority)
 		skb->priority = cfg80211_classify8021d(skb);
 
 	drvr->tx_multicast += !!multicast;
-	if (ntohs(eh->h_proto) == ETH_P_PAE)
+	if (pae)
 		atomic_inc(&ifp->pend_8021x_cnt);
 
 	if (!brcmf_fws_fc_active(fws)) {
@@ -1781,6 +1782,11 @@ int brcmf_fws_process_skb(struct brcmf_if *ifp, struct sk_buff *skb)
 		brcmf_fws_schedule_deq(fws);
 	} else {
 		brcmf_err("drop skb: no hanger slot\n");
+		if (pae) {
+			atomic_dec(&ifp->pend_8021x_cnt);
+			if (waitqueue_active(&ifp->pend_8021x_wait))
+				wake_up(&ifp->pend_8021x_wait);
+		}
 		brcmu_pkt_buf_free_skb(skb);
 	}
 	brcmf_fws_unlock(drvr, flags);

drivers/net/wireless/cw1200/txrx.c

@@ -1165,7 +1165,7 @@ void cw1200_rx_cb(struct cw1200_common *priv,
 		if (cw1200_handle_action_rx(priv, skb))
 			return;
 	} else if (ieee80211_is_beacon(frame->frame_control) &&
-		   !arg->status &&
+		   !arg->status && priv->vif &&
 		   !memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid,
 			   ETH_ALEN)) {
 		const u8 *tim_ie;

drivers/net/wireless/iwlwifi/dvm/main.c

@@ -758,7 +758,7 @@ int iwl_alive_start(struct iwl_priv *priv)
 					 BT_COEX_PRIO_TBL_EVT_INIT_CALIB2);
 		if (ret)
 			return ret;
-	} else {
+	} else if (priv->lib->bt_params) {
 		/*
 		 * default is 2-wire BT coexexistence support
 		 */

drivers/net/wireless/iwlwifi/mvm/debugfs.c

@@ -988,7 +988,11 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	char buf[100];
 
-	if (!dbgfs_dir)
+	/*
+	 * Check if debugfs directory already exist before creating it.
+	 * This may happen when, for example, resetting hw or suspend-resume
+	 */
+	if (!dbgfs_dir || mvmvif->dbgfs_dir)
 		return;
 
 	mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir);

drivers/net/wireless/iwlwifi/mvm/mac80211.c

@@ -257,7 +257,11 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 	if (ret)
 		return ret;
 
-	return ieee80211_register_hw(mvm->hw);
+	ret = ieee80211_register_hw(mvm->hw);
+	if (ret)
+		iwl_mvm_leds_exit(mvm);
+
+	return ret;
 }
 
 static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
@@ -385,6 +389,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
 	ieee80211_wake_queues(mvm->hw);
 
 	mvm->vif_count = 0;
+	mvm->rx_ba_sessions = 0;
 }
 
 static int iwl_mvm_mac_start(struct ieee80211_hw *hw)
@@ -1006,6 +1011,21 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
 	mutex_lock(&mvm->mutex);
 	if (old_state == IEEE80211_STA_NOTEXIST &&
 	    new_state == IEEE80211_STA_NONE) {
+		/*
+		 * Firmware bug - it'll crash if the beacon interval is less
+		 * than 16. We can't avoid connecting at all, so refuse the
+		 * station state change, this will cause mac80211 to abandon
+		 * attempts to connect to this AP, and eventually wpa_s will
+		 * blacklist the AP...
+		 */
+		if (vif->type == NL80211_IFTYPE_STATION &&
+		    vif->bss_conf.beacon_int < 16) {
+			IWL_ERR(mvm,
+				"AP %pM beacon interval is %d, refusing due to firmware bug!\n",
+				sta->addr, vif->bss_conf.beacon_int);
+			ret = -EINVAL;
+			goto out_unlock;
+		}
 		ret = iwl_mvm_add_sta(mvm, vif, sta);
 	} else if (old_state == IEEE80211_STA_NONE &&
 		   new_state == IEEE80211_STA_AUTH) {
@@ -1038,6 +1058,7 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
 	} else {
 		ret = -EIO;
 	}
+ out_unlock:
 	mutex_unlock(&mvm->mutex);
 
 	return ret;

drivers/net/wireless/iwlwifi/mvm/mvm.h

@@ -419,6 +419,7 @@ struct iwl_mvm {
 	struct work_struct sta_drained_wk;
 	unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)];
 	atomic_t pending_frames[IWL_MVM_STATION_COUNT];
+	u8 rx_ba_sessions;
 
 	/* configured by mac80211 */
 	u32 rts_threshold;

drivers/net/wireless/iwlwifi/mvm/scan.c

@@ -137,8 +137,8 @@ static void iwl_mvm_scan_fill_ssids(struct iwl_scan_cmd *cmd,
 {
 	int fw_idx, req_idx;
 
-	fw_idx = 0;
-	for (req_idx = req->n_ssids - 1; req_idx > 0; req_idx--) {
+	for (req_idx = req->n_ssids - 1, fw_idx = 0; req_idx > 0;
+	     req_idx--, fw_idx++) {
 		cmd->direct_scan[fw_idx].id = WLAN_EID_SSID;
 		cmd->direct_scan[fw_idx].len = req->ssids[req_idx].ssid_len;
 		memcpy(cmd->direct_scan[fw_idx].ssid,
@@ -153,7 +153,9 @@ static void iwl_mvm_scan_fill_ssids(struct iwl_scan_cmd *cmd,
  * just to notify that this scan is active and not passive.
  * In order to notify the FW of the number of SSIDs we wish to scan (including
  * the zero-length one), we need to set the corresponding bits in chan->type,
- * one for each SSID, and set the active bit (first).
+ * one for each SSID, and set the active bit (first). The first SSID is already
+ * included in the probe template, so we need to set only req->n_ssids - 1 bits
+ * in addition to the first bit.
  */
 static u16 iwl_mvm_get_active_dwell(enum ieee80211_band band, int n_ssids)
 {
@@ -179,7 +181,7 @@ static void iwl_mvm_scan_fill_channels(struct iwl_scan_cmd *cmd,
 	__le32 chan_type_value;
 
 	if (req->n_ssids > 0)
-		chan_type_value = cpu_to_le32(BIT(req->n_ssids + 1) - 1);
+		chan_type_value = cpu_to_le32(BIT(req->n_ssids) - 1);
 	else
 		chan_type_value = SCAN_CHANNEL_TYPE_PASSIVE;
 

drivers/net/wireless/iwlwifi/mvm/sta.c

@@ -608,6 +608,8 @@ int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *bsta)
 	return ret;
 }
 
+#define IWL_MAX_RX_BA_SESSIONS 16
+
 int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 		       int tid, u16 ssn, bool start)
 {
@@ -618,11 +620,20 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 
 	lockdep_assert_held(&mvm->mutex);
 
+	if (start && mvm->rx_ba_sessions >= IWL_MAX_RX_BA_SESSIONS) {
+		IWL_WARN(mvm, "Not enough RX BA SESSIONS\n");
+		return -ENOSPC;
+	}
+
 	cmd.mac_id_n_color = cpu_to_le32(mvm_sta->mac_id_n_color);
 	cmd.sta_id = mvm_sta->sta_id;
 	cmd.add_modify = STA_MODE_MODIFY;
-	cmd.add_immediate_ba_tid = (u8) tid;
-	cmd.add_immediate_ba_ssn = cpu_to_le16(ssn);
+	if (start) {
+		cmd.add_immediate_ba_tid = (u8) tid;
+		cmd.add_immediate_ba_ssn = cpu_to_le16(ssn);
+	} else {
+		cmd.remove_immediate_ba_tid = (u8) tid;
+	}
 	cmd.modify_mask = start ? STA_MODIFY_ADD_BA_TID :
 				  STA_MODIFY_REMOVE_BA_TID;
 
@@ -648,6 +659,14 @@ int iwl_mvm_sta_rx_agg(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 		break;
 	}
 
+	if (!ret) {
+		if (start)
+			mvm->rx_ba_sessions++;
+		else if (mvm->rx_ba_sessions > 0)
+			/* check that restart flow didn't zero the counter */
+			mvm->rx_ba_sessions--;
+	}
+
 	return ret;
 }
 

drivers/net/wireless/mwifiex/init.c

@@ -682,7 +682,7 @@ int mwifiex_dnld_fw(struct mwifiex_adapter *adapter,
 		if (!ret) {
 			dev_notice(adapter->dev,
 				   "WLAN FW already running! Skip FW dnld\n");
-			goto done;
+			return 0;
 		}
 
 		poll_num = MAX_FIRMWARE_POLL_TRIES;
@@ -707,14 +707,8 @@ int mwifiex_dnld_fw(struct mwifiex_adapter *adapter,
 poll_fw:
 	/* Check if the firmware is downloaded successfully or not */
 	ret = adapter->if_ops.check_fw_status(adapter, poll_num);
-	if (ret) {
+	if (ret)
 		dev_err(adapter->dev, "FW failed to be active in time\n");
-		return -1;
-	}
-done:
-	/* re-enable host interrupt for mwifiex after fw dnld is successful */
-	if (adapter->if_ops.enable_int)
-		adapter->if_ops.enable_int(adapter);
 
 	return ret;
 }

drivers/net/wireless/mwifiex/main.c

@@ -431,6 +431,10 @@ static void mwifiex_fw_dpc(const struct firmware *firmware, void *context)
 				"Cal data request_firmware() failed\n");
 	}
 
+	/* enable host interrupt after fw dnld is successful */
+	if (adapter->if_ops.enable_int)
+		adapter->if_ops.enable_int(adapter);
+
 	adapter->init_wait_q_woken = false;
 	ret = mwifiex_init_fw(adapter);
 	if (ret == -1) {
@@ -482,6 +486,8 @@ err_add_intf:
 	mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev);
 	rtnl_unlock();
 err_init_fw:
+	if (adapter->if_ops.disable_int)
+		adapter->if_ops.disable_int(adapter);
 	pr_debug("info: %s: unregister device\n", __func__);
 	adapter->if_ops.unregister_dev(adapter);
 done:
@@ -859,7 +865,7 @@ mwifiex_add_card(void *card, struct semaphore *sem,
 	INIT_WORK(&adapter->main_work, mwifiex_main_work_queue);
 
 	/* Register the device. Fill up the private data structure with relevant
-	   information from the card and request for the required IRQ. */
+	   information from the card. */
 	if (adapter->if_ops.register_dev(adapter)) {
 		pr_err("%s: failed to register mwifiex device\n", __func__);
 		goto err_registerdev;
@@ -923,6 +929,11 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
 	if (!adapter)
 		goto exit_remove;
 
+	/* We can no longer handle interrupts once we start doing the teardown
+	 * below. */
+	if (adapter->if_ops.disable_int)
+		adapter->if_ops.disable_int(adapter);
+
 	adapter->surprise_removed = true;
 
 	/* Stop data */

drivers/net/wireless/mwifiex/main.h

@@ -602,6 +602,7 @@ struct mwifiex_if_ops {
 	int (*register_dev) (struct mwifiex_adapter *);
 	void (*unregister_dev) (struct mwifiex_adapter *);
 	int (*enable_int) (struct mwifiex_adapter *);
+	void (*disable_int) (struct mwifiex_adapter *);
 	int (*process_int_status) (struct mwifiex_adapter *);
 	int (*host_to_card) (struct mwifiex_adapter *, u8, struct sk_buff *,
 			     struct mwifiex_tx_param *);

drivers/net/wireless/mwifiex/sdio.c

@@ -51,6 +51,7 @@ static struct mwifiex_if_ops sdio_ops;
 static struct semaphore add_remove_card_sem;
 
 static int mwifiex_sdio_resume(struct device *dev);
+static void mwifiex_sdio_interrupt(struct sdio_func *func);
 
 /*
  * SDIO probe.
@@ -296,6 +297,15 @@ static struct sdio_driver mwifiex_sdio = {
 	}
 };
 
+/* Write data into SDIO card register. Caller claims SDIO device. */
+static int
+mwifiex_write_reg_locked(struct sdio_func *func, u32 reg, u8 data)
+{
+	int ret = -1;
+	sdio_writeb(func, data, reg, &ret);
+	return ret;
+}
+
 /*
  * This function writes data into SDIO card register.
  */
@@ -303,10 +313,10 @@ static int
 mwifiex_write_reg(struct mwifiex_adapter *adapter, u32 reg, u8 data)
 {
 	struct sdio_mmc_card *card = adapter->card;
-	int ret = -1;
+	int ret;
 
 	sdio_claim_host(card->func);
-	sdio_writeb(card->func, data, reg, &ret);
+	ret = mwifiex_write_reg_locked(card->func, reg, data);
 	sdio_release_host(card->func);
 
 	return ret;
@@ -685,23 +695,15 @@ mwifiex_sdio_read_fw_status(struct mwifiex_adapter *adapter, u16 *dat)
  * The host interrupt mask is read, the disable bit is reset and
  * written back to the card host interrupt mask register.
  */
-static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
+static void mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
 {
-	u8 host_int_mask, host_int_disable = HOST_INT_DISABLE;
-
-	/* Read back the host_int_mask register */
-	if (mwifiex_read_reg(adapter, HOST_INT_MASK_REG, &host_int_mask))
-		return -1;
-
-	/* Update with the mask and write back to the register */
-	host_int_mask &= ~host_int_disable;
-
-	if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG, host_int_mask)) {
-		dev_err(adapter->dev, "disable host interrupt failed\n");
-		return -1;
-	}
+	struct sdio_mmc_card *card = adapter->card;
+	struct sdio_func *func = card->func;
 
-	return 0;
+	sdio_claim_host(func);
+	mwifiex_write_reg_locked(func, HOST_INT_MASK_REG, 0);
+	sdio_release_irq(func);
+	sdio_release_host(func);
 }
 
 /*
@@ -713,14 +715,29 @@ static int mwifiex_sdio_disable_host_int(struct mwifiex_adapter *adapter)
 static int mwifiex_sdio_enable_host_int(struct mwifiex_adapter *adapter)
 {
 	struct sdio_mmc_card *card = adapter->card;
+	struct sdio_func *func = card->func;
+	int ret;
+
+	sdio_claim_host(func);
+
+	/* Request the SDIO IRQ */
+	ret = sdio_claim_irq(func, mwifiex_sdio_interrupt);
+	if (ret) {
+		dev_err(adapter->dev, "claim irq failed: ret=%d\n", ret);
+		goto out;
+	}
 
 	/* Simply write the mask to the register */
-	if (mwifiex_write_reg(adapter, HOST_INT_MASK_REG,
-			      card->reg->host_int_enable)) {
+	ret = mwifiex_write_reg_locked(func, HOST_INT_MASK_REG,
+				       card->reg->host_int_enable);
+	if (ret) {
 		dev_err(adapter->dev, "enable host interrupt failed\n");
-		return -1;
+		sdio_release_irq(func);
 	}
-	return 0;
+
+out:
+	sdio_release_host(func);
+	return ret;
 }
 
 /*
@@ -997,9 +1014,6 @@ mwifiex_sdio_interrupt(struct sdio_func *func)
 	}
 	adapter = card->adapter;
 
-	if (adapter->surprise_removed)
-		return;
-
 	if (!adapter->pps_uapsd_mode && adapter->ps_state == PS_STATE_SLEEP)
 		adapter->ps_state = PS_STATE_AWAKE;
 
@@ -1728,9 +1742,7 @@ mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
 	struct sdio_mmc_card *card = adapter->card;
 
 	if (adapter->card) {
-		/* Release the SDIO IRQ */
 		sdio_claim_host(card->func);
-		sdio_release_irq(card->func);
 		sdio_disable_func(card->func);
 		sdio_release_host(card->func);
 		sdio_set_drvdata(card->func, NULL);
@@ -1744,7 +1756,7 @@ mwifiex_unregister_dev(struct mwifiex_adapter *adapter)
  */
 static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 {
-	int ret = 0;
+	int ret;
 	struct sdio_mmc_card *card = adapter->card;
 	struct sdio_func *func = card->func;
 
@@ -1753,22 +1765,14 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 
 	sdio_claim_host(func);
 
-	/* Request the SDIO IRQ */
-	ret = sdio_claim_irq(func, mwifiex_sdio_interrupt);
-	if (ret) {
-		pr_err("claim irq failed: ret=%d\n", ret);
-		goto disable_func;
-	}
-
 	/* Set block size */
 	ret = sdio_set_block_size(card->func, MWIFIEX_SDIO_BLOCK_SIZE);
+	sdio_release_host(func);
 	if (ret) {
 		pr_err("cannot set SDIO block size\n");
-		ret = -1;
-		goto release_irq;
+		return ret;
 	}
 
-	sdio_release_host(func);
 	sdio_set_drvdata(func, card);
 
 	adapter->dev = &func->dev;
@@ -1776,15 +1780,6 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 	strcpy(adapter->fw_name, card->firmware);
 
 	return 0;
-
-release_irq:
-	sdio_release_irq(func);
-disable_func:
-	sdio_disable_func(func);
-	sdio_release_host(func);
-	adapter->card = NULL;
-
-	return -1;
 }
 
 /*
@@ -1813,9 +1808,6 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
 	 */
 	mwifiex_read_reg(adapter, HOST_INTSTATUS_REG, &sdio_ireg);
 
-	/* Disable host interrupt mask register for SDIO */
-	mwifiex_sdio_disable_host_int(adapter);
-
 	/* Get SDIO ioport */
 	mwifiex_init_sdio_ioport(adapter);
 
@@ -1957,6 +1949,7 @@ static struct mwifiex_if_ops sdio_ops = {
 	.register_dev = mwifiex_register_dev,
 	.unregister_dev = mwifiex_unregister_dev,
 	.enable_int = mwifiex_sdio_enable_host_int,
+	.disable_int = mwifiex_sdio_disable_host_int,
 	.process_int_status = mwifiex_process_int_status,
 	.host_to_card = mwifiex_sdio_host_to_card,
 	.wakeup = mwifiex_pm_wakeup_card,

drivers/net/wireless/mwifiex/sdio.h

@@ -92,9 +92,6 @@
 /* Host Control Registers : Download host interrupt mask */
 #define DN_LD_HOST_INT_MASK		(0x2U)
 
-/* Disable Host interrupt mask */
-#define	HOST_INT_DISABLE		0xff
-
 /* Host Control Registers : Host interrupt status */
 #define HOST_INTSTATUS_REG		0x03
 /* Host Control Registers : Upload host interrupt status */

drivers/net/wireless/rt2x00/Kconfig

@@ -1,6 +1,6 @@
 menuconfig RT2X00
 	tristate "Ralink driver support"
-	depends on MAC80211
+	depends on MAC80211 && HAS_DMA
 	---help---
 	  This will enable the support for the Ralink drivers,
 	  developed in the rt2x00 project <http://rt2x00.serialmonkey.com>.

drivers/net/wireless/rtlwifi/Kconfig

@@ -1,27 +1,20 @@
-config RTLWIFI
-	tristate "Realtek wireless card support"
-	depends on MAC80211
-	select FW_LOADER
-	---help---
-	  This is common code for RTL8192CE/RTL8192CU/RTL8192SE/RTL8723AE
-	  drivers.  This module does nothing by itself - the various front-end
-	  drivers need to be enabled to support any desired devices.
-
-	  If you choose to build as a module, it'll be called rtlwifi.
-
-config RTLWIFI_DEBUG
-	bool "Debugging output for rtlwifi driver family"
-	depends on RTLWIFI
+menuconfig RTL_CARDS
+	tristate "Realtek rtlwifi family of devices"
+	depends on MAC80211 && (PCI || USB)
 	default y
 	---help---
-	To use the module option that sets the dynamic-debugging level for,
-	the front-end driver, this parameter must be "Y". For memory-limited
-	systems, choose "N". If in doubt, choose "Y".
+	  This option will enable support for the Realtek mac80211-based
+	  wireless drivers. Drivers rtl8192ce, rtl8192cu, rtl8192se, rtl8192de,
+	  rtl8723eu, and rtl8188eu share some common code.
+
+if RTL_CARDS
 
 config RTL8192CE
 	tristate "Realtek RTL8192CE/RTL8188CE Wireless Network Adapter"
-	depends on RTLWIFI && PCI
+	depends on PCI
 	select RTL8192C_COMMON
+	select RTLWIFI
+	select RTLWIFI_PCI
 	---help---
 	This is the driver for Realtek RTL8192CE/RTL8188CE 802.11n PCIe
 	wireless network adapters.
@@ -30,7 +23,9 @@ config RTL8192CE
 
 config RTL8192SE
 	tristate "Realtek RTL8192SE/RTL8191SE PCIe Wireless Network Adapter"
-	depends on RTLWIFI && PCI
+	depends on PCI
+	select RTLWIFI
+	select RTLWIFI_PCI
 	---help---
 	This is the driver for Realtek RTL8192SE/RTL8191SE 802.11n PCIe
 	wireless network adapters.
@@ -39,7 +34,9 @@ config RTL8192SE
 
 config RTL8192DE
 	tristate "Realtek RTL8192DE/RTL8188DE PCIe Wireless Network Adapter"
-	depends on RTLWIFI && PCI
+	depends on PCI
+	select RTLWIFI
+	select RTLWIFI_PCI
 	---help---
 	This is the driver for Realtek RTL8192DE/RTL8188DE 802.11n PCIe
 	wireless network adapters.
@@ -48,7 +45,9 @@ config RTL8192DE
 
 config RTL8723AE
 	tristate "Realtek RTL8723AE PCIe Wireless Network Adapter"
-	depends on RTLWIFI && PCI
+	depends on PCI
+	select RTLWIFI
+	select RTLWIFI_PCI
 	---help---
 	This is the driver for Realtek RTL8723AE 802.11n PCIe
 	wireless network adapters.
@@ -57,7 +56,9 @@ config RTL8723AE
 
 config RTL8188EE
 	tristate "Realtek RTL8188EE Wireless Network Adapter"
-	depends on RTLWIFI && PCI
+	depends on PCI
+	select RTLWIFI
+	select RTLWIFI_PCI
 	---help---
 	This is the driver for Realtek RTL8188EE 802.11n PCIe
 	wireless network adapters.
@@ -66,7 +67,9 @@ config RTL8188EE
 
 config RTL8192CU
 	tristate "Realtek RTL8192CU/RTL8188CU USB Wireless Network Adapter"
-	depends on RTLWIFI && USB
+	depends on USB
+	select RTLWIFI
+	select RTLWIFI_USB
 	select RTL8192C_COMMON
 	---help---
 	This is the driver for Realtek RTL8192CU/RTL8188CU 802.11n USB
@@ -74,7 +77,28 @@ config RTL8192CU
 
 	If you choose to build it as a module, it will be called rtl8192cu
 
+config RTLWIFI
+	tristate
+	select FW_LOADER
+
+config RTLWIFI_PCI
+	tristate
+
+config RTLWIFI_USB
+	tristate
+
+config RTLWIFI_DEBUG
+	bool "Debugging output for rtlwifi driver family"
+	depends on RTLWIFI
+	default y
+	---help---
+	To use the module option that sets the dynamic-debugging level for,
+	the front-end driver, this parameter must be "Y". For memory-limited
+	systems, choose "N". If in doubt, choose "Y".
+
 config RTL8192C_COMMON
 	tristate
 	depends on RTL8192CE || RTL8192CU
-	default m
+	default y
+
+endif

drivers/net/wireless/rtlwifi/Makefile

@@ -12,13 +12,11 @@ rtlwifi-objs	:=		\
 
 rtl8192c_common-objs +=		\
 
-ifneq ($(CONFIG_PCI),)
-rtlwifi-objs	+= pci.o
-endif
+obj-$(CONFIG_RTLWIFI_PCI)	+= rtl_pci.o
+rtl_pci-objs	:=		pci.o
 
-ifneq ($(CONFIG_USB),)
-rtlwifi-objs	+= usb.o
-endif
+obj-$(CONFIG_RTLWIFI_USB)	+= rtl_usb.o
+rtl_usb-objs	:=		usb.o
 
 obj-$(CONFIG_RTL8192C_COMMON)	+= rtl8192c/
 obj-$(CONFIG_RTL8192CE)		+= rtl8192ce/

drivers/net/wireless/rtlwifi/base.c

@@ -172,6 +172,7 @@ u8 rtl_tid_to_ac(u8 tid)
 {
 	return tid_to_ac[tid];
 }
+EXPORT_SYMBOL_GPL(rtl_tid_to_ac);
 
 static void _rtl_init_hw_ht_capab(struct ieee80211_hw *hw,
 				  struct ieee80211_sta_ht_cap *ht_cap)
@@ -406,6 +407,7 @@ void rtl_deinit_deferred_work(struct ieee80211_hw *hw)
 	cancel_delayed_work(&rtlpriv->works.ps_rfon_wq);
 	cancel_delayed_work(&rtlpriv->works.fwevt_wq);
 }
+EXPORT_SYMBOL_GPL(rtl_deinit_deferred_work);
 
 void rtl_init_rfkill(struct ieee80211_hw *hw)
 {
@@ -439,6 +441,7 @@ void rtl_deinit_rfkill(struct ieee80211_hw *hw)
 {
 	wiphy_rfkill_stop_polling(hw->wiphy);
 }
+EXPORT_SYMBOL_GPL(rtl_deinit_rfkill);
 
 int rtl_init_core(struct ieee80211_hw *hw)
 {
@@ -489,10 +492,12 @@ int rtl_init_core(struct ieee80211_hw *hw)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(rtl_init_core);
 
 void rtl_deinit_core(struct ieee80211_hw *hw)
 {
 }
+EXPORT_SYMBOL_GPL(rtl_deinit_core);
 
 void rtl_init_rx_config(struct ieee80211_hw *hw)
 {
@@ -501,6 +506,7 @@ void rtl_init_rx_config(struct ieee80211_hw *hw)
 
 	rtlpriv->cfg->ops->get_hw_reg(hw, HW_VAR_RCR, (u8 *) (&mac->rx_conf));
 }
+EXPORT_SYMBOL_GPL(rtl_init_rx_config);
 
 /*********************************************************
  *
@@ -879,6 +885,7 @@ bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	return true;
 }
+EXPORT_SYMBOL_GPL(rtl_tx_mgmt_proc);
 
 void rtl_get_tcb_desc(struct ieee80211_hw *hw,
 		      struct ieee80211_tx_info *info,
@@ -1052,6 +1059,7 @@ bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 
 	return true;
 }
+EXPORT_SYMBOL_GPL(rtl_action_proc);
 
 /*should call before software enc*/
 u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
@@ -1125,6 +1133,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx)
 
 	return false;
 }
+EXPORT_SYMBOL_GPL(rtl_is_special_data);
 
 /*********************************************************
  *
@@ -1300,6 +1309,7 @@ void rtl_beacon_statistic(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 	rtlpriv->link_info.bcn_rx_inperiod++;
 }
+EXPORT_SYMBOL_GPL(rtl_beacon_statistic);
 
 void rtl_watchdog_wq_callback(void *data)
 {
@@ -1793,6 +1803,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len)
 
 	mac->vendor = vendor;
 }
+EXPORT_SYMBOL_GPL(rtl_recognize_peer);
 
 /*********************************************************
  *
@@ -1849,6 +1860,7 @@ struct attribute_group rtl_attribute_group = {
 	.name = "rtlsysfs",
 	.attrs = rtl_sysfs_entries,
 };
+EXPORT_SYMBOL_GPL(rtl_attribute_group);
 
 MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
 MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
@@ -1856,7 +1868,8 @@ MODULE_AUTHOR("Larry Finger	<Larry.FInger@lwfinger.net>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Realtek 802.11n PCI wireless core");
 
-struct rtl_global_var global_var = {};
+struct rtl_global_var rtl_global_var = {};
+EXPORT_SYMBOL_GPL(rtl_global_var);
 
 static int __init rtl_core_module_init(void)
 {
@@ -1864,8 +1877,8 @@ static int __init rtl_core_module_init(void)
 		pr_err("Unable to register rtl_rc, use default RC !!\n");
 
 	/* init some global vars */
-	INIT_LIST_HEAD(&global_var.glb_priv_list);
-	spin_lock_init(&global_var.glb_list_lock);
+	INIT_LIST_HEAD(&rtl_global_var.glb_priv_list);
+	spin_lock_init(&rtl_global_var.glb_list_lock);
 
 	return 0;
 }

drivers/net/wireless/rtlwifi/base.h

@@ -147,7 +147,7 @@ void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len);
 u8 rtl_tid_to_ac(u8 tid);
 extern struct attribute_group rtl_attribute_group;
 void rtl_easy_concurrent_retrytimer_callback(unsigned long data);
-extern struct rtl_global_var global_var;
+extern struct rtl_global_var rtl_global_var;
 int rtlwifi_rate_mapping(struct ieee80211_hw *hw,
 			 bool isht, u8 desc_rate, bool first_ampdu);
 bool rtl_tx_mgmt_proc(struct ieee80211_hw *hw, struct sk_buff *skb);

drivers/net/wireless/rtlwifi/core.c

@@ -1330,3 +1330,4 @@ const struct ieee80211_ops rtl_ops = {
 	.rfkill_poll = rtl_op_rfkill_poll,
 	.flush = rtl_op_flush,
 };
+EXPORT_SYMBOL_GPL(rtl_ops);

drivers/net/wireless/rtlwifi/debug.c

@@ -51,3 +51,4 @@ void rtl_dbgp_flag_init(struct ieee80211_hw *hw)
 
 	/*Init Debug flag enable condition */
 }
+EXPORT_SYMBOL_GPL(rtl_dbgp_flag_init);

drivers/net/wireless/rtlwifi/efuse.c

@@ -229,6 +229,7 @@ void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
 
 	*pbuf = (u8) (value32 & 0xff);
 }
+EXPORT_SYMBOL_GPL(read_efuse_byte);
 
 void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
 {

drivers/net/wireless/rtlwifi/pci.c

@@ -35,6 +35,13 @@
 #include "efuse.h"
 #include <linux/export.h>
 #include <linux/kmemleak.h>
+#include <linux/module.h>
+
+MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
+MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
+MODULE_AUTHOR("Larry Finger	<Larry.FInger@lwfinger.net>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("PCI basic driver for rtlwifi");
 
 static const u16 pcibridge_vendors[PCI_BRIDGE_VENDOR_MAX] = {
 	PCI_VENDOR_ID_INTEL,
@@ -1008,19 +1015,6 @@ static void _rtl_pci_prepare_bcn_tasklet(struct ieee80211_hw *hw)
 	return;
 }
 
-static void rtl_lps_change_work_callback(struct work_struct *work)
-{
-	struct rtl_works *rtlworks =
-	    container_of(work, struct rtl_works, lps_change_work);
-	struct ieee80211_hw *hw = rtlworks->hw;
-	struct rtl_priv *rtlpriv = rtl_priv(hw);
-
-	if (rtlpriv->enter_ps)
-		rtl_lps_enter(hw);
-	else
-		rtl_lps_leave(hw);
-}
-
 static void _rtl_pci_init_trx_var(struct ieee80211_hw *hw)
 {
 	struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
@@ -1899,7 +1893,7 @@ int rtl_pci_probe(struct pci_dev *pdev,
 	rtlpriv->rtlhal.interface = INTF_PCI;
 	rtlpriv->cfg = (struct rtl_hal_cfg *)(id->driver_data);
 	rtlpriv->intf_ops = &rtl_pci_ops;
-	rtlpriv->glb_var = &global_var;
+	rtlpriv->glb_var = &rtl_global_var;
 
 	/*
 	 *init dbgp flags before all

drivers/net/wireless/rtlwifi/ps.c

@@ -269,6 +269,7 @@ void rtl_ips_nic_on(struct ieee80211_hw *hw)
 
 	spin_unlock_irqrestore(&rtlpriv->locks.ips_lock, flags);
 }
+EXPORT_SYMBOL_GPL(rtl_ips_nic_on);
 
 /*for FW LPS*/
 
@@ -518,6 +519,7 @@ void rtl_swlps_beacon(struct ieee80211_hw *hw, void *data, unsigned int len)
 			 "u_bufferd: %x, m_buffered: %x\n", u_buffed, m_buffed);
 	}
 }
+EXPORT_SYMBOL_GPL(rtl_swlps_beacon);
 
 void rtl_swlps_rf_awake(struct ieee80211_hw *hw)
 {
@@ -611,6 +613,19 @@ void rtl_swlps_rf_sleep(struct ieee80211_hw *hw)
 			MSECS(sleep_intv * mac->vif->bss_conf.beacon_int - 40));
 }
 
+void rtl_lps_change_work_callback(struct work_struct *work)
+{
+	struct rtl_works *rtlworks =
+	    container_of(work, struct rtl_works, lps_change_work);
+	struct ieee80211_hw *hw = rtlworks->hw;
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+	if (rtlpriv->enter_ps)
+		rtl_lps_enter(hw);
+	else
+		rtl_lps_leave(hw);
+}
+EXPORT_SYMBOL_GPL(rtl_lps_change_work_callback);
 
 void rtl_swlps_wq_callback(void *data)
 {
@@ -922,3 +937,4 @@ void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len)
 	else
 		rtl_p2p_noa_ie(hw, data, len - FCS_LEN);
 }
+EXPORT_SYMBOL_GPL(rtl_p2p_info);

drivers/net/wireless/rtlwifi/ps.h

@@ -49,5 +49,6 @@ void rtl_swlps_rf_awake(struct ieee80211_hw *hw);
 void rtl_swlps_rf_sleep(struct ieee80211_hw *hw);
 void rtl_p2p_ps_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state);
 void rtl_p2p_info(struct ieee80211_hw *hw, void *data, unsigned int len);
+void rtl_lps_change_work_callback(struct work_struct *work);
 
 #endif

drivers/net/wireless/rtlwifi/usb.c

@@ -32,6 +32,13 @@
 #include "ps.h"
 #include "rtl8192c/fw_common.h"
 #include <linux/export.h>
+#include <linux/module.h>
+
+MODULE_AUTHOR("lizhaoming	<chaoming_li@realsil.com.cn>");
+MODULE_AUTHOR("Realtek WlanFAE	<wlanfae@realtek.com>");
+MODULE_AUTHOR("Larry Finger	<Larry.FInger@lwfinger.net>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("USB basic driver for rtlwifi");
 
 #define	REALTEK_USB_VENQT_READ			0xC0
 #define	REALTEK_USB_VENQT_WRITE			0x40
@@ -1070,6 +1077,8 @@ int rtl_usb_probe(struct usb_interface *intf,
 	spin_lock_init(&rtlpriv->locks.usb_lock);
 	INIT_WORK(&rtlpriv->works.fill_h2c_cmd,
 		  rtl_fill_h2c_cmd_work_callback);
+	INIT_WORK(&rtlpriv->works.lps_change_work,
+		  rtl_lps_change_work_callback);
 
 	rtlpriv->usb_data_index = 0;
 	init_completion(&rtlpriv->firmware_loading_complete);

include/linux/mod_devicetable.h

@@ -361,7 +361,8 @@ struct ssb_device_id {
 	__u16	vendor;
 	__u16	coreid;
 	__u8	revision;
-};
+	__u8	__pad;
+} __attribute__((packed, aligned(2)));
 #define SSB_DEVICE(_vendor, _coreid, _revision)  \
 	{ .vendor = _vendor, .coreid = _coreid, .revision = _revision, }
 #define SSB_DEVTABLE_END  \
@@ -377,7 +378,7 @@ struct bcma_device_id {
 	__u16	id;
 	__u8	rev;
 	__u8	class;
-};
+} __attribute__((packed,aligned(2)));
 #define BCMA_CORE(_manuf, _id, _rev, _class)  \
 	{ .manuf = _manuf, .id = _id, .rev = _rev, .class = _class, }
 #define BCMA_CORETABLE_END  \

net/mac80211/cfg.c

@@ -666,6 +666,8 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy,
 			if (sta->sdata->dev != dev)
 				continue;
 
+			sinfo.filled = 0;
+			sta_set_sinfo(sta, &sinfo);
 			i = 0;
 			ADD_STA_STATS(sta);
 		}

net/mac80211/rc80211_minstrel.c

@@ -290,7 +290,7 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
 	struct minstrel_rate *msr, *mr;
 	unsigned int ndx;
 	bool mrr_capable;
-	bool prev_sample = mi->prev_sample;
+	bool prev_sample;
 	int delta;
 	int sampling_ratio;
 
@@ -314,6 +314,7 @@ minstrel_get_rate(void *priv, struct ieee80211_sta *sta,
 			(mi->sample_count + mi->sample_deferred / 2);
 
 	/* delta < 0: no sampling required */
+	prev_sample = mi->prev_sample;
 	mi->prev_sample = false;
 	if (delta < 0 || (!mrr_capable && prev_sample))
 		return;

net/mac80211/rc80211_minstrel_ht.c

@@ -804,10 +804,18 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 
 	sample_group = &minstrel_mcs_groups[sample_idx / MCS_GROUP_RATES];
 	info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
+	rate->count = 1;
+
+	if (sample_idx / MCS_GROUP_RATES == MINSTREL_CCK_GROUP) {
+		int idx = sample_idx % ARRAY_SIZE(mp->cck_rates);
+		rate->idx = mp->cck_rates[idx];
+		rate->flags = 0;
+		return;
+	}
+
 	rate->idx = sample_idx % MCS_GROUP_RATES +
 		    (sample_group->streams - 1) * MCS_GROUP_RATES;
 	rate->flags = IEEE80211_TX_RC_MCS | sample_group->flags;
-	rate->count = 1;
 }
 
 static void

net/mac80211/rx.c

@@ -936,8 +936,14 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx)
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb);
 
-	/* Drop duplicate 802.11 retransmissions (IEEE 802.11 Chap. 9.2.9) */
-	if (rx->sta && !is_multicast_ether_addr(hdr->addr1)) {
+	/*
+	 * Drop duplicate 802.11 retransmissions
+	 * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery")
+	 */
+	if (rx->skb->len >= 24 && rx->sta &&
+	    !ieee80211_is_ctl(hdr->frame_control) &&
+	    !ieee80211_is_qos_nullfunc(hdr->frame_control) &&
+	    !is_multicast_ether_addr(hdr->addr1)) {
 		if (unlikely(ieee80211_has_retry(hdr->frame_control) &&
 			     rx->sta->last_seq_ctrl[rx->seqno_idx] ==
 			     hdr->seq_ctrl)) {

net/wireless/nl80211.c

@@ -4770,9 +4770,9 @@ do {									    \
 	FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1,
 				  mask, NL80211_MESHCONF_FORWARDING,
 				  nla_get_u8);
-	FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, 1, 255,
+	FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0,
 				  mask, NL80211_MESHCONF_RSSI_THRESHOLD,
-				  nla_get_u32);
+				  nla_get_s32);
 	FILL_IN_MESH_PARAM_IF_SET(tb, cfg, ht_opmode, 0, 16,
 				  mask, NL80211_MESHCONF_HT_OPMODE,
 				  nla_get_u16);
@@ -6613,12 +6613,14 @@ EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb);
 
 void cfg80211_testmode_event(struct sk_buff *skb, gfp_t gfp)
 {
+	struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0];
 	void *hdr = ((void **)skb->cb)[1];
 	struct nlattr *data = ((void **)skb->cb)[2];
 
 	nla_nest_end(skb, data);
 	genlmsg_end(skb, hdr);
-	genlmsg_multicast(skb, 0, nl80211_testmode_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), skb, 0,
+				nl80211_testmode_mcgrp.id, gfp);
 }
 EXPORT_SYMBOL(cfg80211_testmode_event);
 #endif
@@ -10064,7 +10066,8 @@ void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie,
 
 	genlmsg_end(msg, hdr);
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:

net/wireless/reg.c

@@ -2279,7 +2279,9 @@ void wiphy_regulatory_deregister(struct wiphy *wiphy)
 static void reg_timeout_work(struct work_struct *work)
 {
 	REG_DBG_PRINT("Timeout while waiting for CRDA to reply, restoring regulatory settings\n");
+	rtnl_lock();
 	restore_regulatory_settings(true);
+	rtnl_unlock();
 }
 
 int __init regulatory_init(void)

net/wireless/sme.c

@@ -34,8 +34,10 @@ struct cfg80211_conn {
 		CFG80211_CONN_SCAN_AGAIN,
 		CFG80211_CONN_AUTHENTICATE_NEXT,
 		CFG80211_CONN_AUTHENTICATING,
+		CFG80211_CONN_AUTH_FAILED,
 		CFG80211_CONN_ASSOCIATE_NEXT,
 		CFG80211_CONN_ASSOCIATING,
+		CFG80211_CONN_ASSOC_FAILED,
 		CFG80211_CONN_DEAUTH,
 		CFG80211_CONN_CONNECTED,
 	} state;
@@ -164,6 +166,8 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
 					  NULL, 0,
 					  params->key, params->key_len,
 					  params->key_idx, NULL, 0);
+	case CFG80211_CONN_AUTH_FAILED:
+		return -ENOTCONN;
 	case CFG80211_CONN_ASSOCIATE_NEXT:
 		BUG_ON(!rdev->ops->assoc);
 		wdev->conn->state = CFG80211_CONN_ASSOCIATING;
@@ -188,10 +192,17 @@ static int cfg80211_conn_do_work(struct wireless_dev *wdev)
 					     WLAN_REASON_DEAUTH_LEAVING,
 					     false);
 		return err;
+	case CFG80211_CONN_ASSOC_FAILED:
+		cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
+				     NULL, 0,
+				     WLAN_REASON_DEAUTH_LEAVING, false);
+		return -ENOTCONN;
 	case CFG80211_CONN_DEAUTH:
 		cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
 				     NULL, 0,
 				     WLAN_REASON_DEAUTH_LEAVING, false);
+		/* free directly, disconnected event already sent */
+		cfg80211_sme_free(wdev);
 		return 0;
 	default:
 		return 0;
@@ -371,7 +382,7 @@ bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status)
 		return true;
 	}
 
-	wdev->conn->state = CFG80211_CONN_DEAUTH;
+	wdev->conn->state = CFG80211_CONN_ASSOC_FAILED;
 	schedule_work(&rdev->conn_work);
 	return false;
 }
@@ -383,7 +394,13 @@ void cfg80211_sme_deauth(struct wireless_dev *wdev)
 
 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev)
 {
-	cfg80211_sme_free(wdev);
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+	if (!wdev->conn)
+		return;
+
+	wdev->conn->state = CFG80211_CONN_AUTH_FAILED;
+	schedule_work(&rdev->conn_work);
 }
 
 void cfg80211_sme_disassoc(struct wireless_dev *wdev)
@@ -399,7 +416,13 @@ void cfg80211_sme_disassoc(struct wireless_dev *wdev)
 
 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev)
 {
-	cfg80211_sme_disassoc(wdev);
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+	if (!wdev->conn)
+		return;
+
+	wdev->conn->state = CFG80211_CONN_ASSOC_FAILED;
+	schedule_work(&rdev->conn_work);
 }
 
 static int cfg80211_sme_connect(struct wireless_dev *wdev,