Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1958 commits)
  net: pack skb_shared_info more efficiently
  net_sched: red: split red_parms into parms and vars
  net_sched: sfq: extend limits
  cnic: Improve error recovery on bnx2x devices
  cnic: Re-init dev->stats_addr after chip reset
  net_sched: Bug in netem reordering
  bna: fix sparse warnings/errors
  bna: make ethtool_ops and strings const
  xgmac: cleanups
  net: make ethtool_ops const
  vmxnet3" make ethtool ops const
  xen-netback: make ops structs const
  virtio_net: Pass gfp flags when allocating rx buffers.
  ixgbe: FCoE: Add support for ndo_get_fcoe_hbainfo() call
  netdev: FCoE: Add new ndo_get_fcoe_hbainfo() call
  igb: reset PHY after recovering from PHY power down
  igb: add basic runtime PM support
  igb: Add support for byte queue limits.
  e1000: cleanup CE4100 MDIO registers access
  e1000: unmap ce4100_gbe_mdio_base_virt in e1000_remove
  ...

21 files changed, 350 insertions, 453 deletions

diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c
index 7aa9aa0ac95..681d3f2a4c2 100644
--- a/drivers/net/wireless/mwifiex/11n_rxreorder.c
+++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c
@@ -33,7 +33,7 @@
  * Since the buffer is linear, the function uses rotation to simulate
  * circular buffer.
  */
-static int
+static void
 mwifiex_11n_dispatch_pkt_until_start_win(struct mwifiex_private *priv,
 					 struct mwifiex_rx_reorder_tbl
 					 *rx_reor_tbl_ptr, int start_win)
@@ -71,8 +71,6 @@ mwifiex_11n_dispatch_pkt_until_start_win(struct mwifiex_private *priv,
 
 	rx_reor_tbl_ptr->start_win = start_win;
 	spin_unlock_irqrestore(&priv->rx_pkt_lock, flags);
-
-	return 0;
 }
 
 /*
@@ -83,7 +81,7 @@ mwifiex_11n_dispatch_pkt_until_start_win(struct mwifiex_private *priv,
  * Since the buffer is linear, the function uses rotation to simulate
  * circular buffer.
  */
-static int
+static void
 mwifiex_11n_scan_and_dispatch(struct mwifiex_private *priv,
 			      struct mwifiex_rx_reorder_tbl *rx_reor_tbl_ptr)
 {
@@ -119,7 +117,6 @@ mwifiex_11n_scan_and_dispatch(struct mwifiex_private *priv,
 	rx_reor_tbl_ptr->start_win = (rx_reor_tbl_ptr->start_win + i)
 		&(MAX_TID_VALUE - 1);
 	spin_unlock_irqrestore(&priv->rx_pkt_lock, flags);
-	return 0;
 }
 
 /*
@@ -405,7 +402,7 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
 				u8 *ta, u8 pkt_type, void *payload)
 {
 	struct mwifiex_rx_reorder_tbl *rx_reor_tbl_ptr;
-	int start_win, end_win, win_size, ret;
+	int start_win, end_win, win_size;
 	u16 pkt_index;
 
 	rx_reor_tbl_ptr =
@@ -452,11 +449,8 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
 			start_win = (end_win - win_size) + 1;
 		else
 			start_win = (MAX_TID_VALUE - (win_size - seq_num)) + 1;
-		ret = mwifiex_11n_dispatch_pkt_until_start_win(priv,
+		mwifiex_11n_dispatch_pkt_until_start_win(priv,
 						rx_reor_tbl_ptr, start_win);
-
-		if (ret)
-			return ret;
 	}
 
 	if (pkt_type != PKT_TYPE_BAR) {
@@ -475,9 +469,9 @@ int mwifiex_11n_rx_reorder_pkt(struct mwifiex_private *priv,
 	 * Dispatch all packets sequentially from start_win until a
 	 * hole is found and adjust the start_win appropriately
 	 */
-	ret = mwifiex_11n_scan_and_dispatch(priv, rx_reor_tbl_ptr);
+	mwifiex_11n_scan_and_dispatch(priv, rx_reor_tbl_ptr);
 
-	return ret;
+	return 0;
 }
 
 /*
diff --git a/drivers/net/wireless/mwifiex/Kconfig b/drivers/net/wireless/mwifiex/Kconfig
index 8f2797aa0c6..2a078cea830 100644
--- a/drivers/net/wireless/mwifiex/Kconfig
+++ b/drivers/net/wireless/mwifiex/Kconfig
@@ -10,12 +10,12 @@ config MWIFIEX
 	  mwifiex.
 
 config MWIFIEX_SDIO
-	tristate "Marvell WiFi-Ex Driver for SD8787"
+	tristate "Marvell WiFi-Ex Driver for SD8787/SD8797"
 	depends on MWIFIEX && MMC
 	select FW_LOADER
 	---help---
 	  This adds support for wireless adapters based on Marvell
-	  8787 chipset with SDIO interface.
+	  8787/8797 chipsets with SDIO interface.
 
 	  If you choose to build it as a module, it will be called
 	  mwifiex_sdio.
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 462c71067bf..c3b6c4652cd 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -24,50 +24,26 @@
  * This function maps the nl802.11 channel type into driver channel type.
  *
  * The mapping is as follows -
- *      NL80211_CHAN_NO_HT     -> NO_SEC_CHANNEL
- *      NL80211_CHAN_HT20      -> NO_SEC_CHANNEL
- *      NL80211_CHAN_HT40PLUS  -> SEC_CHANNEL_ABOVE
- *      NL80211_CHAN_HT40MINUS -> SEC_CHANNEL_BELOW
- *      Others                 -> NO_SEC_CHANNEL
+ *      NL80211_CHAN_NO_HT     -> IEEE80211_HT_PARAM_CHA_SEC_NONE
+ *      NL80211_CHAN_HT20      -> IEEE80211_HT_PARAM_CHA_SEC_NONE
+ *      NL80211_CHAN_HT40PLUS  -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE
+ *      NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
+ *      Others                 -> IEEE80211_HT_PARAM_CHA_SEC_NONE
  */
-static int
-mwifiex_cfg80211_channel_type_to_mwifiex_channels(enum nl80211_channel_type
-						  channel_type)
+static u8
+mwifiex_cfg80211_channel_type_to_sec_chan_offset(enum nl80211_channel_type
+						 channel_type)
 {
 	switch (channel_type) {
 	case NL80211_CHAN_NO_HT:
 	case NL80211_CHAN_HT20:
-		return NO_SEC_CHANNEL;
+		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
 	case NL80211_CHAN_HT40PLUS:
-		return SEC_CHANNEL_ABOVE;
+		return IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
 	case NL80211_CHAN_HT40MINUS:
-		return SEC_CHANNEL_BELOW;
-	default:
-		return NO_SEC_CHANNEL;
-	}
-}
-
-/*
- * This function maps the driver channel type into nl802.11 channel type.
- *
- * The mapping is as follows -
- *      NO_SEC_CHANNEL      -> NL80211_CHAN_HT20
- *      SEC_CHANNEL_ABOVE   -> NL80211_CHAN_HT40PLUS
- *      SEC_CHANNEL_BELOW   -> NL80211_CHAN_HT40MINUS
- *      Others              -> NL80211_CHAN_HT20
- */
-static enum nl80211_channel_type
-mwifiex_channels_to_cfg80211_channel_type(int channel_type)
-{
-	switch (channel_type) {
-	case NO_SEC_CHANNEL:
-		return NL80211_CHAN_HT20;
-	case SEC_CHANNEL_ABOVE:
-		return NL80211_CHAN_HT40PLUS;
-	case SEC_CHANNEL_BELOW:
-		return NL80211_CHAN_HT40MINUS;
+		return IEEE80211_HT_PARAM_CHA_SEC_BELOW;
 	default:
-		return NL80211_CHAN_HT20;
+		return IEEE80211_HT_PARAM_CHA_SEC_NONE;
 	}
 }
 
@@ -120,10 +96,11 @@ mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev,
 static int
 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy,
 			      enum nl80211_tx_power_setting type,
-			      int dbm)
+			      int mbm)
 {
 	struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
 	struct mwifiex_power_cfg power_cfg;
+	int dbm = MBM_TO_DBM(mbm);
 
 	if (type == NL80211_TX_POWER_FIXED) {
 		power_cfg.is_power_auto = 0;
@@ -330,37 +307,51 @@ mwifiex_set_rf_channel(struct mwifiex_private *priv,
 		       enum nl80211_channel_type channel_type)
 {
 	struct mwifiex_chan_freq_power cfp;
-	struct mwifiex_ds_band_cfg band_cfg;
 	u32 config_bands = 0;
 	struct wiphy *wiphy = priv->wdev->wiphy;
+	struct mwifiex_adapter *adapter = priv->adapter;
 
 	if (chan) {
-		memset(&band_cfg, 0, sizeof(band_cfg));
 		/* Set appropriate bands */
-		if (chan->band == IEEE80211_BAND_2GHZ)
-			config_bands = BAND_B | BAND_G | BAND_GN;
-		else
-			config_bands = BAND_AN | BAND_A;
-		if (priv->bss_mode == NL80211_IFTYPE_STATION
-		    || priv->bss_mode == NL80211_IFTYPE_UNSPECIFIED) {
-			band_cfg.config_bands = config_bands;
-		} else if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
-			band_cfg.config_bands = config_bands;
-			band_cfg.adhoc_start_band = config_bands;
+		if (chan->band == IEEE80211_BAND_2GHZ) {
+			if (channel_type == NL80211_CHAN_NO_HT)
+				if (priv->adapter->config_bands == BAND_B ||
+					  priv->adapter->config_bands == BAND_G)
+					config_bands =
+						priv->adapter->config_bands;
+				else
+					config_bands = BAND_B | BAND_G;
+			else
+				config_bands = BAND_B | BAND_G | BAND_GN;
+		} else {
+			if (channel_type == NL80211_CHAN_NO_HT)
+				config_bands = BAND_A;
+			else
+				config_bands = BAND_AN | BAND_A;
 		}
 
-		band_cfg.sec_chan_offset =
-			mwifiex_cfg80211_channel_type_to_mwifiex_channels
+		if (!((config_bands | adapter->fw_bands) &
+						~adapter->fw_bands)) {
+			adapter->config_bands = config_bands;
+			if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
+				adapter->adhoc_start_band = config_bands;
+				if ((config_bands & BAND_GN) ||
+						(config_bands & BAND_AN))
+					adapter->adhoc_11n_enabled = true;
+				else
+					adapter->adhoc_11n_enabled = false;
+			}
+		}
+		adapter->sec_chan_offset =
+			mwifiex_cfg80211_channel_type_to_sec_chan_offset
 			(channel_type);
-
-		if (mwifiex_set_radio_band_cfg(priv, &band_cfg))
-			return -EFAULT;
+		adapter->channel_type = channel_type;
 
 		mwifiex_send_domain_info_cmd_fw(wiphy);
 	}
 
 	wiphy_dbg(wiphy, "info: setting band %d, channel offset %d and "
-		"mode %d\n", config_bands, band_cfg.sec_chan_offset,
+		"mode %d\n", config_bands, adapter->sec_chan_offset,
 		priv->bss_mode);
 	if (!chan)
 		return 0;
@@ -696,9 +687,9 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
 				const u8 *peer,
 				const struct cfg80211_bitrate_mask *mask)
 {
-	struct mwifiex_ds_band_cfg band_cfg;
 	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 	int index = 0, mode = 0, i;
+	struct mwifiex_adapter *adapter = priv->adapter;
 
 	/* Currently only 2.4GHz is supported */
 	for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) {
@@ -720,16 +711,15 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
 			mode |=  BAND_B;
 	}
 
-	memset(&band_cfg, 0, sizeof(band_cfg));
-	band_cfg.config_bands = mode;
-
-	if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
-		band_cfg.adhoc_start_band = mode;
-
-	band_cfg.sec_chan_offset = NO_SEC_CHANNEL;
-
-	if (mwifiex_set_radio_band_cfg(priv, &band_cfg))
-		return -EFAULT;
+	if (!((mode | adapter->fw_bands) & ~adapter->fw_bands)) {
+		adapter->config_bands = mode;
+		if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
+			adapter->adhoc_start_band = mode;
+			adapter->adhoc_11n_enabled = false;
+		}
+	}
+	adapter->sec_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
+	adapter->channel_type = NL80211_CHAN_NO_HT;
 
 	wiphy_debug(wiphy, "info: device configured in 802.11%s%s mode\n",
 				(mode & BAND_B) ? "b" : "",
@@ -750,17 +740,13 @@ mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
 {
 	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 
-	if (priv->disconnect)
-		return -EBUSY;
-
-	priv->disconnect = 1;
 	if (mwifiex_deauthenticate(priv, NULL))
 		return -EFAULT;
 
 	wiphy_dbg(wiphy, "info: successfully disconnected from %pM:"
 		" reason code %d\n", priv->cfg_bssid, reason_code);
 
-	queue_work(priv->workqueue, &priv->cfg_workqueue);
+	memset(priv->cfg_bssid, 0, ETH_ALEN);
 
 	return 0;
 }
@@ -780,6 +766,7 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
 {
 	struct ieee80211_channel *chan;
 	struct mwifiex_bss_info bss_info;
+	struct cfg80211_bss *bss;
 	int ie_len;
 	u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)];
 	enum ieee80211_band band;
@@ -800,9 +787,10 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv)
 			ieee80211_channel_to_frequency(bss_info.bss_chan,
 						       band));
 
-	cfg80211_inform_bss(priv->wdev->wiphy, chan,
+	bss = cfg80211_inform_bss(priv->wdev->wiphy, chan,
 		bss_info.bssid, 0, WLAN_CAPABILITY_IBSS,
 		0, ie_buf, ie_len, 0, GFP_KERNEL);
+	cfg80211_put_bss(bss);
 	memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN);
 
 	return 0;
@@ -851,8 +839,7 @@ mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, u8 *ssid,
 
 	if (channel)
 		ret = mwifiex_set_rf_channel(priv, channel,
-				mwifiex_channels_to_cfg80211_channel_type
-				(priv->adapter->chan_offset));
+						priv->adapter->channel_type);
 
 	ret = mwifiex_set_encode(priv, NULL, 0, 0, 1);	/* Disable keys */
 
@@ -978,27 +965,32 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
 	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
 	int ret = 0;
 
-	if (priv->assoc_request)
-		return -EBUSY;
-
 	if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
 		wiphy_err(wiphy, "received infra assoc request "
 				"when station is in ibss mode\n");
 		goto done;
 	}
 
-	priv->assoc_request = -EINPROGRESS;
-
 	wiphy_dbg(wiphy, "info: Trying to associate to %s and bssid %pM\n",
 	       (char *) sme->ssid, sme->bssid);
 
 	ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid,
 				     priv->bss_mode, sme->channel, sme, 0);
-
-	priv->assoc_request = 1;
 done:
-	priv->assoc_result = ret;
-	queue_work(priv->workqueue, &priv->cfg_workqueue);
+	if (!ret) {
+		cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0,
+					NULL, 0, WLAN_STATUS_SUCCESS,
+					GFP_KERNEL);
+		dev_dbg(priv->adapter->dev,
+			"info: associated to bssid %pM successfully\n",
+			priv->cfg_bssid);
+	} else {
+		dev_dbg(priv->adapter->dev,
+			"info: association to bssid %pM failed\n",
+			priv->cfg_bssid);
+		memset(priv->cfg_bssid, 0, ETH_ALEN);
+	}
+
 	return ret;
 }
 
@@ -1015,28 +1007,29 @@ mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
 	struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
 	int ret = 0;
 
-	if (priv->ibss_join_request)
-		return -EBUSY;
-
 	if (priv->bss_mode != NL80211_IFTYPE_ADHOC) {
 		wiphy_err(wiphy, "request to join ibss received "
 				"when station is not in ibss mode\n");
 		goto done;
 	}
 
-	priv->ibss_join_request = -EINPROGRESS;
-
 	wiphy_dbg(wiphy, "info: trying to join to %s and bssid %pM\n",
 	       (char *) params->ssid, params->bssid);
 
 	ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid,
 				params->bssid, priv->bss_mode,
 				params->channel, NULL, params->privacy);
-
-	priv->ibss_join_request = 1;
 done:
-	priv->ibss_join_result = ret;
-	queue_work(priv->workqueue, &priv->cfg_workqueue);
+	if (!ret) {
+		cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, GFP_KERNEL);
+		dev_dbg(priv->adapter->dev,
+			"info: joined/created adhoc network with bssid"
+			" %pM successfully\n", priv->cfg_bssid);
+	} else {
+		dev_dbg(priv->adapter->dev,
+			"info: failed creating/joining adhoc network\n");
+	}
+
 	return ret;
 }
 
@@ -1051,17 +1044,12 @@ mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
 {
 	struct mwifiex_private *priv = mwifiex_cfg80211_get_priv(wiphy);
 
-	if (priv->disconnect)
-		return -EBUSY;
-
-	priv->disconnect = 1;
-
 	wiphy_dbg(wiphy, "info: disconnecting from essid %pM\n",
 			priv->cfg_bssid);
 	if (mwifiex_deauthenticate(priv, NULL))
 		return -EFAULT;
 
-	queue_work(priv->workqueue, &priv->cfg_workqueue);
+	memset(priv->cfg_bssid, 0, ETH_ALEN);
 
 	return 0;
 }
@@ -1078,15 +1066,42 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy, struct net_device *dev,
 		      struct cfg80211_scan_request *request)
 {
 	struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
+	int i;
+	struct ieee80211_channel *chan;
 
 	wiphy_dbg(wiphy, "info: received scan request on %s\n", dev->name);
 
-	if (priv->scan_request && priv->scan_request != request)
-		return -EBUSY;
-
 	priv->scan_request = request;
 
-	queue_work(priv->workqueue, &priv->cfg_workqueue);
+	priv->user_scan_cfg = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
+					GFP_KERNEL);
+	if (!priv->user_scan_cfg) {
+		dev_err(priv->adapter->dev, "failed to alloc scan_req\n");
+		return -ENOMEM;
+	}
+	for (i = 0; i < request->n_ssids; i++) {
+		memcpy(priv->user_scan_cfg->ssid_list[i].ssid,
+			request->ssids[i].ssid, request->ssids[i].ssid_len);
+		priv->user_scan_cfg->ssid_list[i].max_len =
+			request->ssids[i].ssid_len;
+	}
+	for (i = 0; i < request->n_channels; i++) {
+		chan = request->channels[i];
+		priv->user_scan_cfg->chan_list[i].chan_number = chan->hw_value;
+		priv->user_scan_cfg->chan_list[i].radio_type = chan->band;
+
+		if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+			priv->user_scan_cfg->chan_list[i].scan_type =
+				MWIFIEX_SCAN_TYPE_PASSIVE;
+		else
+			priv->user_scan_cfg->chan_list[i].scan_type =
+				MWIFIEX_SCAN_TYPE_ACTIVE;
+
+		priv->user_scan_cfg->chan_list[i].scan_time = 0;
+	}
+	if (mwifiex_set_user_scan_ioctl(priv, priv->user_scan_cfg))
+		return -EFAULT;
+
 	return 0;
 }
 
@@ -1292,10 +1307,6 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct net_device *dev)
 
 	priv->media_connected = false;
 
-	cancel_work_sync(&priv->cfg_workqueue);
-	flush_workqueue(priv->workqueue);
-	destroy_workqueue(priv->workqueue);
-
 	priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
 
 	return 0;
@@ -1373,9 +1384,6 @@ int mwifiex_register_cfg80211(struct mwifiex_private *priv)
 	memcpy(wdev->wiphy->perm_addr, priv->curr_addr, ETH_ALEN);
 	wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
 
-	/* We are using custom domains */
-	wdev->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
-
 	/* Reserve space for bss band information */
 	wdev->wiphy->bss_priv_size = sizeof(u8);
 
@@ -1404,100 +1412,3 @@ int mwifiex_register_cfg80211(struct mwifiex_private *priv)
 
 	return ret;
 }
-
-/*
- * This function handles the result of different pending network operations.
- *
- * The following operations are handled and CFG802.11 subsystem is
- * notified accordingly -
- *      - Scan request completion
- *      - Association request completion
- *      - IBSS join request completion
- *      - Disconnect request completion
- */
-void
-mwifiex_cfg80211_results(struct work_struct *work)
-{
-	struct mwifiex_private *priv =
-		container_of(work, struct mwifiex_private, cfg_workqueue);
-	struct mwifiex_user_scan_cfg *scan_req;
-	int ret = 0, i;
-	struct ieee80211_channel *chan;
-
-	if (priv->scan_request) {
-		scan_req = kzalloc(sizeof(struct mwifiex_user_scan_cfg),
-				   GFP_KERNEL);
-		if (!scan_req) {
-			dev_err(priv->adapter->dev, "failed to alloc "
-						    "scan_req\n");
-			return;
-		}
-		for (i = 0; i < priv->scan_request->n_ssids; i++) {
-			memcpy(scan_req->ssid_list[i].ssid,
-					priv->scan_request->ssids[i].ssid,
-					priv->scan_request->ssids[i].ssid_len);
-			scan_req->ssid_list[i].max_len =
-					priv->scan_request->ssids[i].ssid_len;
-		}
-		for (i = 0; i < priv->scan_request->n_channels; i++) {
-			chan = priv->scan_request->channels[i];
-			scan_req->chan_list[i].chan_number = chan->hw_value;
-			scan_req->chan_list[i].radio_type = chan->band;
-			if (chan->flags & IEEE80211_CHAN_DISABLED)
-				scan_req->chan_list[i].scan_type =
-					MWIFIEX_SCAN_TYPE_PASSIVE;
-			else
-				scan_req->chan_list[i].scan_type =
-					MWIFIEX_SCAN_TYPE_ACTIVE;
-			scan_req->chan_list[i].scan_time = 0;
-		}
-		if (mwifiex_set_user_scan_ioctl(priv, scan_req))
-			ret = -EFAULT;
-		priv->scan_result_status = ret;
-		dev_dbg(priv->adapter->dev, "info: %s: sending scan results\n",
-							__func__);
-		cfg80211_scan_done(priv->scan_request,
-				(priv->scan_result_status < 0));
-		priv->scan_request = NULL;
-		kfree(scan_req);
-	}
-
-	if (priv->assoc_request == 1) {
-		if (!priv->assoc_result) {
-			cfg80211_connect_result(priv->netdev, priv->cfg_bssid,
-						NULL, 0, NULL, 0,
-						WLAN_STATUS_SUCCESS,
-						GFP_KERNEL);
-			dev_dbg(priv->adapter->dev,
-				"info: associated to bssid %pM successfully\n",
-			       priv->cfg_bssid);
-		} else {
-			dev_dbg(priv->adapter->dev,
-				"info: association to bssid %pM failed\n",
-			       priv->cfg_bssid);
-			memset(priv->cfg_bssid, 0, ETH_ALEN);
-		}
-		priv->assoc_request = 0;
-		priv->assoc_result = 0;
-	}
-
-	if (priv->ibss_join_request == 1) {
-		if (!priv->ibss_join_result) {
-			cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid,
-					     GFP_KERNEL);
-			dev_dbg(priv->adapter->dev,
-				"info: joined/created adhoc network with bssid"
-					" %pM successfully\n", priv->cfg_bssid);
-		} else {
-			dev_dbg(priv->adapter->dev,
-				"info: failed creating/joining adhoc network\n");
-		}
-		priv->ibss_join_request = 0;
-		priv->ibss_join_result = 0;
-	}
-
-	if (priv->disconnect) {
-		memset(priv->cfg_bssid, 0, ETH_ALEN);
-		priv->disconnect = 0;
-	}
-}
diff --git a/drivers/net/wireless/mwifiex/cfg80211.h b/drivers/net/wireless/mwifiex/cfg80211.h
index 8d010f2500c..76c76c60438 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.h
+++ b/drivers/net/wireless/mwifiex/cfg80211.h
@@ -26,5 +26,4 @@
 
 int mwifiex_register_cfg80211(struct mwifiex_private *);
 
-void mwifiex_cfg80211_results(struct work_struct *work);
 #endif
diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c
index f2e6de03805..1782a77f15d 100644
--- a/drivers/net/wireless/mwifiex/cfp.c
+++ b/drivers/net/wireless/mwifiex/cfp.c
@@ -75,18 +75,32 @@ static u8 supported_rates_n[N_SUPPORTED_RATES] = { 0x02, 0x04, 0 };
  * This function maps an index in supported rates table into
  * the corresponding data rate.
  */
-u32 mwifiex_index_to_data_rate(u8 index, u8 ht_info)
+u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
+							u8 ht_info)
 {
-	u16 mcs_rate[4][8] = {
-		{0x1b, 0x36, 0x51, 0x6c, 0xa2, 0xd8, 0xf3, 0x10e}
-	,			/* LG 40M */
-	{0x1e, 0x3c, 0x5a, 0x78, 0xb4, 0xf0, 0x10e, 0x12c}
-	,			/* SG 40M */
-	{0x0d, 0x1a, 0x27, 0x34, 0x4e, 0x68, 0x75, 0x82}
-	,			/* LG 20M */
-	{0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90}
-	};			/* SG 20M */
-
+	/*
+	 * For every mcs_rate line, the first 8 bytes are for stream 1x1,
+	 * and all 16 bytes are for stream 2x2.
+	 */
+	u16  mcs_rate[4][16] = {
+		/* LGI 40M */
+		{ 0x1b, 0x36, 0x51, 0x6c, 0xa2, 0xd8, 0xf3, 0x10e,
+		  0x36, 0x6c, 0xa2, 0xd8, 0x144, 0x1b0, 0x1e6, 0x21c },
+
+		/* SGI 40M */
+		{ 0x1e, 0x3c, 0x5a, 0x78, 0xb4, 0xf0, 0x10e, 0x12c,
+		  0x3c, 0x78, 0xb4, 0xf0, 0x168, 0x1e0, 0x21c, 0x258 },
+
+		/* LGI 20M */
+		{ 0x0d, 0x1a, 0x27, 0x34, 0x4e, 0x68, 0x75, 0x82,
+		  0x1a, 0x34, 0x4e, 0x68, 0x9c, 0xd0, 0xea, 0x104 },
+
+		/* SGI 20M */
+		{ 0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90,
+		  0x1c, 0x39, 0x56, 0x73, 0xad, 0xe7, 0x104, 0x120 }
+	};
+	u32 mcs_num_supp =
+		(priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) ? 16 : 8;
 	u32 rate;
 
 	if (ht_info & BIT(0)) {
@@ -95,7 +109,7 @@ u32 mwifiex_index_to_data_rate(u8 index, u8 ht_info)
 				rate = 0x0D;	/* MCS 32 SGI rate */
 			else
 				rate = 0x0C;	/* MCS 32 LGI rate */
-		} else if (index < 8) {
+		} else if (index < mcs_num_supp) {
 			if (ht_info & BIT(1)) {
 				if (ht_info & BIT(2))
 					/* SGI, 40M */
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index 0cc5d73cb0c..51c5417c569 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -165,6 +165,7 @@ enum MWIFIEX_802_11_WEP_STATUS {
 
 #define GET_RXMCSSUPP(DevMCSSupported) (DevMCSSupported & 0x0f)
 #define SETHT_MCS32(x) (x[4] |= 1)
+#define HT_STREAM_2X2	0x22
 
 #define SET_SECONDARYCHAN(RadioType, SECCHAN) (RadioType |= (SECCHAN << 4))
 
@@ -375,8 +376,6 @@ enum mwifiex_chan_scan_mode_bitmasks {
 	MWIFIEX_DISABLE_CHAN_FILT = BIT(1),
 };
 
-#define SECOND_CHANNEL_BELOW    0x30
-#define SECOND_CHANNEL_ABOVE    0x10
 struct mwifiex_chan_scan_param_set {
 	u8 radio_type;
 	u8 chan_number;
@@ -673,7 +672,7 @@ struct host_cmd_ds_802_11_ad_hoc_start {
 	union ieee_types_phy_param_set phy_param_set;
 	u16 reserved1;
 	__le16 cap_info_bitmap;
-	u8 DataRate[HOSTCMD_SUPPORTED_RATES];
+	u8 data_rate[HOSTCMD_SUPPORTED_RATES];
 } __packed;
 
 struct host_cmd_ds_802_11_ad_hoc_result {
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index d792b3fb7c1..e05b417a3fa 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -187,8 +187,6 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
 	struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = NULL;
 
 	skb_put(adapter->sleep_cfm, sizeof(struct mwifiex_opt_sleep_confirm));
-	sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *)
-						(adapter->sleep_cfm->data);
 
 	adapter->cmd_sent = false;
 
@@ -248,12 +246,14 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
 	memset(adapter->event_body, 0, sizeof(adapter->event_body));
 	adapter->hw_dot_11n_dev_cap = 0;
 	adapter->hw_dev_mcs_support = 0;
-	adapter->chan_offset = 0;
+	adapter->sec_chan_offset = 0;
 	adapter->adhoc_11n_enabled = false;
 
 	mwifiex_wmm_init(adapter);
 
 	if (adapter->sleep_cfm) {
+		sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *)
+						adapter->sleep_cfm->data;
 		memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len);
 		sleep_cfm_buf->command =
 				cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH);
@@ -283,6 +283,45 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
 }
 
 /*
+ * This function sets trans_start per tx_queue
+ */
+void mwifiex_set_trans_start(struct net_device *dev)
+{
+	int i;
+
+	for (i = 0; i < dev->num_tx_queues; i++)
+		netdev_get_tx_queue(dev, i)->trans_start = jiffies;
+
+	dev->trans_start = jiffies;
+}
+
+/*
+ * This function wakes up all queues in net_device
+ */
+void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
+					struct mwifiex_adapter *adapter)
+{
+	unsigned long dev_queue_flags;
+
+	spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags);
+	netif_tx_wake_all_queues(netdev);
+	spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags);
+}
+
+/*
+ * This function stops all queues in net_device
+ */
+void mwifiex_stop_net_dev_queue(struct net_device *netdev,
+					struct mwifiex_adapter *adapter)
+{
+	unsigned long dev_queue_flags;
+
+	spin_lock_irqsave(&adapter->queue_lock, dev_queue_flags);
+	netif_tx_stop_all_queues(netdev);
+	spin_unlock_irqrestore(&adapter->queue_lock, dev_queue_flags);
+}
+
+/*
  *  This function releases the lock variables and frees the locks and
  *  associated locks.
  */
@@ -359,6 +398,7 @@ int mwifiex_init_lock_list(struct mwifiex_adapter *adapter)
 	spin_lock_init(&adapter->int_lock);
 	spin_lock_init(&adapter->main_proc_lock);
 	spin_lock_init(&adapter->mwifiex_cmd_lock);
+	spin_lock_init(&adapter->queue_lock);
 	for (i = 0; i < adapter->priv_num; i++) {
 		if (adapter->priv[i]) {
 			priv = adapter->priv[i];
diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index e0b68e7c8ca..d5d81f1fe41 100644
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -62,17 +62,6 @@ enum {
 	BAND_AN = 16,
 };
 
-#define NO_SEC_CHANNEL               0
-#define SEC_CHANNEL_ABOVE            1
-#define SEC_CHANNEL_BELOW            3
-
-struct mwifiex_ds_band_cfg {
-	u32 config_bands;
-	u32 adhoc_start_band;
-	u32 adhoc_channel;
-	u32 sec_chan_offset;
-};
-
 enum {
 	ADHOC_IDLE,
 	ADHOC_STARTED,
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 62b4c293860..0b0eb5efba9 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -724,8 +724,8 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 	u32 cmd_append_size = 0;
 	u32 i;
 	u16 tmp_cap;
-	uint16_t ht_cap_info;
 	struct mwifiex_ie_types_chan_list_param_set *chan_tlv;
+	u8 radio_type;
 
 	struct mwifiex_ie_types_htcap *ht_cap;
 	struct mwifiex_ie_types_htinfo *ht_info;
@@ -837,8 +837,8 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 		bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
 	}
 
-	memset(adhoc_start->DataRate, 0, sizeof(adhoc_start->DataRate));
-	mwifiex_get_active_data_rates(priv, adhoc_start->DataRate);
+	memset(adhoc_start->data_rate, 0, sizeof(adhoc_start->data_rate));
+	mwifiex_get_active_data_rates(priv, adhoc_start->data_rate);
 	if ((adapter->adhoc_start_band & BAND_G) &&
 	    (priv->curr_pkt_filter & HostCmd_ACT_MAC_ADHOC_G_PROTECTION_ON)) {
 		if (mwifiex_send_cmd_async(priv, HostCmd_CMD_MAC_CONTROL,
@@ -850,20 +850,19 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 		}
 	}
 	/* Find the last non zero */
-	for (i = 0; i < sizeof(adhoc_start->DataRate) &&
-			adhoc_start->DataRate[i];
-			i++)
-			;
+	for (i = 0; i < sizeof(adhoc_start->data_rate); i++)
+		if (!adhoc_start->data_rate[i])
+			break;
 
 	priv->curr_bss_params.num_of_rates = i;
 
 	/* Copy the ad-hoc creating rates into Current BSS rate structure */
 	memcpy(&priv->curr_bss_params.data_rates,
-	       &adhoc_start->DataRate, priv->curr_bss_params.num_of_rates);
+	       &adhoc_start->data_rate, priv->curr_bss_params.num_of_rates);
 
 	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: rates=%02x %02x %02x %02x\n",
-	       adhoc_start->DataRate[0], adhoc_start->DataRate[1],
-	       adhoc_start->DataRate[2], adhoc_start->DataRate[3]);
+	       adhoc_start->data_rate[0], adhoc_start->data_rate[1],
+	       adhoc_start->data_rate[2], adhoc_start->data_rate[3]);
 
 	dev_dbg(adapter->dev, "info: ADHOC_S_CMD: AD-HOC Start command is ready\n");
 
@@ -886,12 +885,14 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 		       = mwifiex_band_to_radio_type(priv->curr_bss_params.band);
 		if (adapter->adhoc_start_band & BAND_GN
 		    || adapter->adhoc_start_band & BAND_AN) {
-			if (adapter->chan_offset == SEC_CHANNEL_ABOVE)
+			if (adapter->sec_chan_offset ==
+					    IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
 				chan_tlv->chan_scan_param[0].radio_type |=
-					SECOND_CHANNEL_ABOVE;
-			else if (adapter->chan_offset == SEC_CHANNEL_BELOW)
+					(IEEE80211_HT_PARAM_CHA_SEC_ABOVE << 4);
+			else if (adapter->sec_chan_offset ==
+					    IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
 				chan_tlv->chan_scan_param[0].radio_type |=
-					SECOND_CHANNEL_BELOW;
+					(IEEE80211_HT_PARAM_CHA_SEC_BELOW << 4);
 		}
 		dev_dbg(adapter->dev, "info: ADHOC_S_CMD: TLV Band = %d\n",
 		       chan_tlv->chan_scan_param[0].radio_type);
@@ -914,55 +915,40 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
 	}
 
 	if (adapter->adhoc_11n_enabled) {
-		{
-			ht_cap = (struct mwifiex_ie_types_htcap *) pos;
-			memset(ht_cap, 0,
-			       sizeof(struct mwifiex_ie_types_htcap));
-			ht_cap->header.type =
-				cpu_to_le16(WLAN_EID_HT_CAPABILITY);
-			ht_cap->header.len =
-			       cpu_to_le16(sizeof(struct ieee80211_ht_cap));
-			ht_cap_info = le16_to_cpu(ht_cap->ht_cap.cap_info);
-
-			ht_cap_info |= IEEE80211_HT_CAP_SGI_20;
-			if (adapter->chan_offset) {
-				ht_cap_info |= IEEE80211_HT_CAP_SGI_40;
-				ht_cap_info |= IEEE80211_HT_CAP_DSSSCCK40;
-				ht_cap_info |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
-				SETHT_MCS32(ht_cap->ht_cap.mcs.rx_mask);
-			}
+		/* Fill HT CAPABILITY */
+		ht_cap = (struct mwifiex_ie_types_htcap *) pos;
+		memset(ht_cap, 0, sizeof(struct mwifiex_ie_types_htcap));
+		ht_cap->header.type = cpu_to_le16(WLAN_EID_HT_CAPABILITY);
+		ht_cap->header.len =
+		       cpu_to_le16(sizeof(struct ieee80211_ht_cap));
+		radio_type = mwifiex_band_to_radio_type(
+					priv->adapter->config_bands);
+		mwifiex_fill_cap_info(priv, radio_type, ht_cap);
+
+		pos += sizeof(struct mwifiex_ie_types_htcap);
+		cmd_append_size +=
+			sizeof(struct mwifiex_ie_types_htcap);
 
-			ht_cap->ht_cap.ampdu_params_info
-					= IEEE80211_HT_MAX_AMPDU_64K;
-			ht_cap->ht_cap.mcs.rx_mask[0] = 0xff;
-			pos += sizeof(struct mwifiex_ie_types_htcap);
-			cmd_append_size +=
-				sizeof(struct mwifiex_ie_types_htcap);
-		}
-		{
-			ht_info = (struct mwifiex_ie_types_htinfo *) pos;
-			memset(ht_info, 0,
-			       sizeof(struct mwifiex_ie_types_htinfo));
-			ht_info->header.type =
-				cpu_to_le16(WLAN_EID_HT_INFORMATION);
-			ht_info->header.len =
-				cpu_to_le16(sizeof(struct ieee80211_ht_info));
-			ht_info->ht_info.control_chan =
-				(u8) priv->curr_bss_params.bss_descriptor.
-				channel;
-			if (adapter->chan_offset) {
-				ht_info->ht_info.ht_param =
-					adapter->chan_offset;
-				ht_info->ht_info.ht_param |=
+		/* Fill HT INFORMATION */
+		ht_info = (struct mwifiex_ie_types_htinfo *) pos;
+		memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
+		ht_info->header.type = cpu_to_le16(WLAN_EID_HT_INFORMATION);
+		ht_info->header.len =
+			cpu_to_le16(sizeof(struct ieee80211_ht_info));
+
+		ht_info->ht_info.control_chan =
+			(u8) priv->curr_bss_params.bss_descriptor.channel;
+		if (adapter->sec_chan_offset) {
+			ht_info->ht_info.ht_param = adapter->sec_chan_offset;
+			ht_info->ht_info.ht_param |=
 					IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
-			}
-			ht_info->ht_info.operation_mode =
-			     cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
-			ht_info->ht_info.basic_set[0] = 0xff;
-			pos += sizeof(struct mwifiex_ie_types_htinfo);
-			cmd_append_size +=
-				sizeof(struct mwifiex_ie_types_htinfo);
 		}
+		ht_info->ht_info.operation_mode =
+		     cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+		ht_info->ht_info.basic_set[0] = 0xff;
+		pos += sizeof(struct mwifiex_ie_types_htinfo);
+		cmd_append_size +=
+			sizeof(struct mwifiex_ie_types_htinfo);
 	}
 
 	cmd->size = cpu_to_le16((u16)
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 67e6db7d672..84be196188c 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -401,7 +401,7 @@ mwifiex_fill_buffer(struct sk_buff *skb)
 static int
 mwifiex_open(struct net_device *dev)
 {
-	netif_start_queue(dev);
+	netif_tx_start_all_queues(dev);
 	return 0;
 }
 
@@ -465,8 +465,8 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	atomic_inc(&priv->adapter->tx_pending);
 
 	if (atomic_read(&priv->adapter->tx_pending) >= MAX_TX_PENDING) {
-		netif_stop_queue(priv->netdev);
-		dev->trans_start = jiffies;
+		mwifiex_set_trans_start(dev);
+		mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
 	}
 
 	queue_work(priv->adapter->workqueue, &priv->adapter->main_work);
@@ -533,7 +533,7 @@ mwifiex_tx_timeout(struct net_device *dev)
 
 	dev_err(priv->adapter->dev, "%lu : Tx timeout, bss_index=%d\n",
 				jiffies, priv->bss_index);
-	dev->trans_start = jiffies;
+	mwifiex_set_trans_start(dev);
 	priv->num_tx_timeout++;
 }
 
@@ -586,8 +586,6 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv,
 	priv->media_connected = false;
 	memset(&priv->nick_name, 0, sizeof(priv->nick_name));
 	priv->num_tx_timeout = 0;
-	priv->workqueue = create_singlethread_workqueue("cfg80211_wq");
-	INIT_WORK(&priv->cfg_workqueue, mwifiex_cfg80211_results);
 	memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN);
 }
 
@@ -793,7 +791,8 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
 		priv = adapter->priv[i];
 		if (priv && priv->netdev) {
 			if (!netif_queue_stopped(priv->netdev))
-				netif_stop_queue(priv->netdev);
+				mwifiex_stop_net_dev_queue(priv->netdev,
+								adapter);
 			if (netif_carrier_ok(priv->netdev))
 				netif_carrier_off(priv->netdev);
 		}
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 30f138b6fa4..3186aa437f4 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -453,15 +453,8 @@ struct mwifiex_private {
 	u8 scan_pending_on_block;
 	u8 report_scan_result;
 	struct cfg80211_scan_request *scan_request;
-	int scan_result_status;
-	int assoc_request;
-	u16 assoc_result;
-	int ibss_join_request;
-	u16 ibss_join_result;
-	bool disconnect;
+	struct mwifiex_user_scan_cfg *user_scan_cfg;
 	u8 cfg_bssid[6];
-	struct workqueue_struct *workqueue;
-	struct work_struct cfg_workqueue;
 	u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
 	struct wps wps;
 	u8 scan_block;
@@ -647,7 +640,8 @@ struct mwifiex_adapter {
 	u32 hw_dot_11n_dev_cap;
 	u8 hw_dev_mcs_support;
 	u8 adhoc_11n_enabled;
-	u8 chan_offset;
+	u8 sec_chan_offset;
+	enum nl80211_channel_type channel_type;
 	struct mwifiex_dbg dbg;
 	u8 arp_filter[ARP_FILTER_MAX_BUF_SIZE];
 	u32 arp_filter_size;
@@ -655,10 +649,19 @@ struct mwifiex_adapter {
 	struct mwifiex_wait_queue cmd_wait_q;
 	u8 scan_wait_q_woken;
 	struct cmd_ctrl_node *cmd_queued;
+	spinlock_t queue_lock;		/* lock for tx queues */
 };
 
 int mwifiex_init_lock_list(struct mwifiex_adapter *adapter);
 
+void mwifiex_set_trans_start(struct net_device *dev);
+
+void mwifiex_stop_net_dev_queue(struct net_device *netdev,
+		struct mwifiex_adapter *adapter);
+
+void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
+		struct mwifiex_adapter *adapter);
+
 int mwifiex_init_fw(struct mwifiex_adapter *adapter);
 
 int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
@@ -775,7 +778,8 @@ struct mwifiex_chan_freq_power *
 struct mwifiex_chan_freq_power *mwifiex_get_cfp_by_band_and_freq_from_cfg80211(
 						struct mwifiex_private *priv,
 						u8 band, u32 freq);
-u32 mwifiex_index_to_data_rate(u8 index, u8 ht_info);
+u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
+							u8 ht_info);
 u32 mwifiex_find_freq_from_band_chan(u8, u8);
 int mwifiex_cmd_append_vsie_tlv(struct mwifiex_private *priv, u16 vsie_mask,
 				u8 **buffer);
@@ -951,8 +955,6 @@ int mwifiex_main_process(struct mwifiex_adapter *);
 
 int mwifiex_bss_set_channel(struct mwifiex_private *,
 			    struct mwifiex_chan_freq_power *cfp);
-int mwifiex_set_radio_band_cfg(struct mwifiex_private *,
-			 struct mwifiex_ds_band_cfg *);
 int mwifiex_get_bss_info(struct mwifiex_private *,
 			 struct mwifiex_bss_info *);
 int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index d34acf082d3..405350940a4 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -386,8 +386,7 @@ static int mwifiex_pcie_create_txbd_ring(struct mwifiex_adapter *adapter)
 	card->txbd_ring_vbase = kzalloc(card->txbd_ring_size, GFP_KERNEL);
 	if (!card->txbd_ring_vbase) {
 		dev_err(adapter->dev, "Unable to allocate buffer for txbd ring.\n");
-		kfree(card->txbd_ring_vbase);
-		return -1;
+		return -ENOMEM;
 	}
 	card->txbd_ring_pbase = virt_to_phys(card->txbd_ring_vbase);
 
@@ -477,7 +476,7 @@ static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
 	if (!card->rxbd_ring_vbase) {
 		dev_err(adapter->dev, "Unable to allocate buffer for "
 				"rxbd_ring.\n");
-		return -1;
+		return -ENOMEM;
 	}
 	card->rxbd_ring_pbase = virt_to_phys(card->rxbd_ring_vbase);
 
@@ -570,7 +569,7 @@ static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
 	if (!card->evtbd_ring_vbase) {
 		dev_err(adapter->dev, "Unable to allocate buffer. "
 				"Terminating download\n");
-		return -1;
+		return -ENOMEM;
 	}
 	card->evtbd_ring_pbase = virt_to_phys(card->evtbd_ring_vbase);
 
@@ -1229,15 +1228,16 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
 	if (!skb)
 		return 0;
 
-	if (rdptr >= MWIFIEX_MAX_EVT_BD)
+	if (rdptr >= MWIFIEX_MAX_EVT_BD) {
 		dev_err(adapter->dev, "event_complete: Invalid rdptr 0x%x\n",
 					rdptr);
+		return -EINVAL;
+	}
 
 	/* Read the event ring write pointer set by firmware */
 	if (mwifiex_read_reg(adapter, REG_EVTBD_WRPTR, &wrptr)) {
 		dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_WRPTR\n");
-		ret = -1;
-		goto done;
+		return -1;
 	}
 
 	if (!card->evt_buf_list[rdptr]) {
@@ -1266,15 +1266,9 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
 	/* Write the event ring read pointer in to REG_EVTBD_RDPTR */
 	if (mwifiex_write_reg(adapter, REG_EVTBD_RDPTR, card->evtbd_rdptr)) {
 		dev_err(adapter->dev, "event_complete: failed to read REG_EVTBD_RDPTR\n");
-		ret = -1;
-		goto done;
+		return -1;
 	}
 
-done:
-	/* Free the buffer for failure case */
-	if (ret && skb)
-		dev_kfree_skb_any(skb);
-
 	dev_dbg(adapter->dev, "info: Check Events Again\n");
 	ret = mwifiex_pcie_process_event_ready(adapter);
 
@@ -1672,9 +1666,8 @@ static int mwifiex_pcie_host_to_card(struct mwifiex_adapter *adapter, u8 type,
 				     struct sk_buff *skb,
 				     struct mwifiex_tx_param *tx_param)
 {
-	if (!adapter || !skb) {
-		dev_err(adapter->dev, "Invalid parameter in %s <%p, %p>\n",
-				__func__, adapter, skb);
+	if (!skb) {
+		dev_err(adapter->dev, "Passed NULL skb to %s\n", __func__);
 		return -1;
 	}
 
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 8d3ab378662..6396d3318ea 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -500,7 +500,6 @@ mwifiex_scan_create_channel_list(struct mwifiex_private *priv,
 	struct ieee80211_channel *ch;
 	struct mwifiex_adapter *adapter = priv->adapter;
 	int chan_idx = 0, i;
-	u8 scan_type;
 
 	for (band = 0; (band < IEEE80211_NUM_BANDS) ; band++) {
 
@@ -514,19 +513,20 @@ mwifiex_scan_create_channel_list(struct mwifiex_private *priv,
 			if (ch->flags & IEEE80211_CHAN_DISABLED)
 				continue;
 			scan_chan_list[chan_idx].radio_type = band;
-			scan_type = ch->flags & IEEE80211_CHAN_PASSIVE_SCAN;
+
 			if (user_scan_in &&
 				user_scan_in->chan_list[0].scan_time)
 				scan_chan_list[chan_idx].max_scan_time =
 					cpu_to_le16((u16) user_scan_in->
 					chan_list[0].scan_time);
-			else if (scan_type == MWIFIEX_SCAN_TYPE_PASSIVE)
+			else if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
 				scan_chan_list[chan_idx].max_scan_time =
 					cpu_to_le16(adapter->passive_scan_time);
 			else
 				scan_chan_list[chan_idx].max_scan_time =
 					cpu_to_le16(adapter->active_scan_time);
-			if (scan_type == MWIFIEX_SCAN_TYPE_PASSIVE)
+
+			if (ch->flags & IEEE80211_CHAN_PASSIVE_SCAN)
 				scan_chan_list[chan_idx].chan_scan_mode_bitmap
 					|= MWIFIEX_PASSIVE_SCAN;
 			else
@@ -1391,11 +1391,8 @@ int mwifiex_set_user_scan_ioctl(struct mwifiex_private *priv,
 {
 	int status;
 
-	priv->adapter->scan_wait_q_woken = false;
-
 	status = mwifiex_scan_networks(priv, scan_req);
-	if (!status)
-		status = mwifiex_wait_queue_complete(priv->adapter);
+	queue_work(priv->adapter->workqueue, &priv->adapter->main_work);
 
 	return status;
 }
@@ -1537,11 +1534,6 @@ done:
 	return 0;
 }
 
-static void mwifiex_free_bss_priv(struct cfg80211_bss *bss)
-{
-	kfree(bss->priv);
-}
-
 /*
  * This function handles the command response of scan.
  *
@@ -1767,7 +1759,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 					      cap_info_bitmap, beacon_period,
 					      ie_buf, ie_len, rssi, GFP_KERNEL);
 				*(u8 *)bss->priv = band;
-				bss->free_priv = mwifiex_free_bss_priv;
+				cfg80211_put_bss(bss);
 
 				if (priv->media_connected && !memcmp(bssid,
 					priv->curr_bss_params.bss_descriptor
@@ -1801,6 +1793,14 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
 			up(&priv->async_sem);
 		}
 
+		if (priv->user_scan_cfg) {
+			dev_dbg(priv->adapter->dev, "info: %s: sending scan "
+							"results\n", __func__);
+			cfg80211_scan_done(priv->scan_request, 0);
+			priv->scan_request = NULL;
+			kfree(priv->user_scan_cfg);
+			priv->user_scan_cfg = NULL;
+		}
 	} else {
 		/* Get scan command from scan_pending_q and put to
 		   cmd_pending_q */
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index 283171bbced..d39d8457f25 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -256,10 +256,13 @@ static int mwifiex_sdio_resume(struct device *dev)
 
 /* Device ID for SD8787 */
 #define SDIO_DEVICE_ID_MARVELL_8787   (0x9119)
+/* Device ID for SD8797 */
+#define SDIO_DEVICE_ID_MARVELL_8797   (0x9129)
 
 /* WLAN IDs */
 static const struct sdio_device_id mwifiex_ids[] = {
 	{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8787)},
+	{SDIO_DEVICE(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797)},
 	{},
 };
 
@@ -1084,7 +1087,7 @@ static int mwifiex_sdio_card_to_host_mp_aggr(struct mwifiex_adapter *adapter,
 					   (adapter->ioport | 0x1000 |
 					    (card->mpa_rx.ports << 4)) +
 					   card->mpa_rx.start_port, 1))
-			return -1;
+			goto error;
 
 		curr_ptr = card->mpa_rx.buf;
 
@@ -1127,12 +1130,29 @@ rx_curr_single:
 		if (mwifiex_sdio_card_to_host(adapter, &pkt_type,
 					      skb->data, skb->len,
 					      adapter->ioport + port))
-			return -1;
+			goto error;
 
 		mwifiex_decode_rx_packet(adapter, skb, pkt_type);
 	}
 
 	return 0;
+
+error:
+	if (MP_RX_AGGR_IN_PROGRESS(card)) {
+		/* Multiport-aggregation transfer failed - cleanup */
+		for (pind = 0; pind < card->mpa_rx.pkt_cnt; pind++) {
+			/* copy pkt to deaggr buf */
+			skb_deaggr = card->mpa_rx.skb_arr[pind];
+			dev_kfree_skb_any(skb_deaggr);
+		}
+		MP_RX_AGGR_BUF_RESET(card);
+	}
+
+	if (f_do_rx_cur)
+		/* Single transfer pending. Free curr buff also */
+		dev_kfree_skb_any(skb);
+
+	return -1;
 }
 
 /*
@@ -1268,7 +1288,6 @@ static int mwifiex_process_int_status(struct mwifiex_adapter *adapter)
 
 				dev_dbg(adapter->dev,
 						"info: CFG reg val =%x\n", cr);
-				dev_kfree_skb_any(skb);
 				return -1;
 			}
 		}
@@ -1573,7 +1592,16 @@ static int mwifiex_register_dev(struct mwifiex_adapter *adapter)
 	sdio_set_drvdata(func, card);
 
 	adapter->dev = &func->dev;
-	strcpy(adapter->fw_name, SD8787_DEFAULT_FW_NAME);
+
+	switch (func->device) {
+	case SDIO_DEVICE_ID_MARVELL_8797:
+		strcpy(adapter->fw_name, SD8797_DEFAULT_FW_NAME);
+		break;
+	case SDIO_DEVICE_ID_MARVELL_8787:
+	default:
+		strcpy(adapter->fw_name, SD8787_DEFAULT_FW_NAME);
+		break;
+	}
 
 	return 0;
 
@@ -1630,14 +1658,14 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
 	card->mpa_tx.pkt_cnt = 0;
 	card->mpa_tx.start_port = 0;
 
-	card->mpa_tx.enabled = 0;
+	card->mpa_tx.enabled = 1;
 	card->mpa_tx.pkt_aggr_limit = SDIO_MP_AGGR_DEF_PKT_LIMIT;
 
 	card->mpa_rx.buf_len = 0;
 	card->mpa_rx.pkt_cnt = 0;
 	card->mpa_rx.start_port = 0;
 
-	card->mpa_rx.enabled = 0;
+	card->mpa_rx.enabled = 1;
 	card->mpa_rx.pkt_aggr_limit = SDIO_MP_AGGR_DEF_PKT_LIMIT;
 
 	/* Allocate buffers for SDIO MP-A */
@@ -1774,4 +1802,5 @@ MODULE_AUTHOR("Marvell International Ltd.");
 MODULE_DESCRIPTION("Marvell WiFi-Ex SDIO Driver version " SDIO_VERSION);
 MODULE_VERSION(SDIO_VERSION);
 MODULE_LICENSE("GPL v2");
-MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
+MODULE_FIRMWARE(SD8787_DEFAULT_FW_NAME);
+MODULE_FIRMWARE(SD8797_DEFAULT_FW_NAME);
diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h
index 3f711801e58..a3fb322205b 100644
--- a/drivers/net/wireless/mwifiex/sdio.h
+++ b/drivers/net/wireless/mwifiex/sdio.h
@@ -29,6 +29,7 @@
 #include "main.h"
 
 #define SD8787_DEFAULT_FW_NAME "mrvl/sd8787_uapsta.bin"
+#define SD8797_DEFAULT_FW_NAME "mrvl/sd8797_uapsta.bin"
 
 #define BLOCK_MODE	1
 #define BYTE_MODE	0
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index ea6518d1c9e..6e443ffa046 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -748,7 +748,7 @@ static int mwifiex_cmd_802_11_rf_channel(struct mwifiex_private *priv,
 				cpu_to_le16(HostCmd_SCAN_RADIO_TYPE_A);
 
 		rf_type = le16_to_cpu(rf_chan->rf_type);
-		SET_SECONDARYCHAN(rf_type, priv->adapter->chan_offset);
+		SET_SECONDARYCHAN(rf_type, priv->adapter->sec_chan_offset);
 		rf_chan->current_channel = cpu_to_le16(*channel);
 	}
 	rf_chan->action = cpu_to_le16(cmd_action);
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index 7a16b0c417a..e812db8b695 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -508,7 +508,7 @@ static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
 	priv->tx_htinfo = resp->params.tx_rate.ht_info;
 	if (!priv->is_data_rate_auto)
 		priv->data_rate =
-			mwifiex_index_to_data_rate(priv->tx_rate,
+			mwifiex_index_to_data_rate(priv, priv->tx_rate,
 						   priv->tx_htinfo);
 
 	return 0;
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index f204810e833..d7aa21da84d 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -115,18 +115,17 @@ mwifiex_reset_connect_state(struct mwifiex_private *priv)
 	if (adapter->num_cmd_timeout && adapter->curr_cmd)
 		return;
 	priv->media_connected = false;
-	if (!priv->disconnect) {
-		priv->disconnect = 1;
-		dev_dbg(adapter->dev, "info: successfully disconnected from"
-				" %pM: reason code %d\n", priv->cfg_bssid,
-				WLAN_REASON_DEAUTH_LEAVING);
-		cfg80211_disconnected(priv->netdev,
-				WLAN_REASON_DEAUTH_LEAVING, NULL, 0,
-				GFP_KERNEL);
-		queue_work(priv->workqueue, &priv->cfg_workqueue);
+	dev_dbg(adapter->dev, "info: successfully disconnected from"
+			" %pM: reason code %d\n", priv->cfg_bssid,
+			WLAN_REASON_DEAUTH_LEAVING);
+	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
+		cfg80211_disconnected(priv->netdev, WLAN_REASON_DEAUTH_LEAVING,
+				      NULL, 0, GFP_KERNEL);
 	}
+	memset(priv->cfg_bssid, 0, ETH_ALEN);
+
 	if (!netif_queue_stopped(priv->netdev))
-		netif_stop_queue(priv->netdev);
+		mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 	if (netif_carrier_ok(priv->netdev))
 		netif_carrier_off(priv->netdev);
 	/* Reset wireless stats signal info */
@@ -201,7 +200,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 		if (!netif_carrier_ok(priv->netdev))
 			netif_carrier_on(priv->netdev);
 		if (netif_queue_stopped(priv->netdev))
-			netif_wake_queue(priv->netdev);
+			mwifiex_wake_up_net_dev_queue(priv->netdev, adapter);
 		break;
 
 	case EVENT_DEAUTHENTICATED:
@@ -292,7 +291,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 		priv->adhoc_is_link_sensed = false;
 		mwifiex_clean_txrx(priv);
 		if (!netif_queue_stopped(priv->netdev))
-			netif_stop_queue(priv->netdev);
+			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 		if (netif_carrier_ok(priv->netdev))
 			netif_carrier_off(priv->netdev);
 		break;
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 1679c2593b7..470ca75ec25 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -239,7 +239,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 				      "associating...\n");
 
 		if (!netif_queue_stopped(priv->netdev))
-			netif_stop_queue(priv->netdev);
+			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 
 		/* Clear any past association response stored for
 		 * application retrieval */
@@ -270,7 +270,7 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 		ret = mwifiex_check_network_compatibility(priv, bss_desc);
 
 		if (!netif_queue_stopped(priv->netdev))
-			netif_stop_queue(priv->netdev);
+			mwifiex_stop_net_dev_queue(priv->netdev, adapter);
 
 		if (!ret) {
 			dev_dbg(adapter->dev, "info: network found in scan"
@@ -477,67 +477,6 @@ int mwifiex_get_bss_info(struct mwifiex_private *priv,
 }
 
 /*
- * The function sets band configurations.
- *
- * it performs extra checks to make sure the Ad-Hoc
- * band and channel are compatible. Otherwise it returns an error.
- *
- */
-int mwifiex_set_radio_band_cfg(struct mwifiex_private *priv,
-			       struct mwifiex_ds_band_cfg *radio_cfg)
-{
-	struct mwifiex_adapter *adapter = priv->adapter;
-	u8 infra_band, adhoc_band;
-	u32 adhoc_channel;
-
-	infra_band = (u8) radio_cfg->config_bands;
-	adhoc_band = (u8) radio_cfg->adhoc_start_band;
-	adhoc_channel = radio_cfg->adhoc_channel;
-
-	/* SET Infra band */
-	if ((infra_band | adapter->fw_bands) & ~adapter->fw_bands)
-		return -1;
-
-	adapter->config_bands = infra_band;
-
-	/* SET Ad-hoc Band */
-	if ((adhoc_band | adapter->fw_bands) & ~adapter->fw_bands)
-		return -1;
-
-	if (adhoc_band)
-		adapter->adhoc_start_band = adhoc_band;
-	adapter->chan_offset = (u8) radio_cfg->sec_chan_offset;
-	/*
-	 * If no adhoc_channel is supplied verify if the existing adhoc
-	 * channel compiles with new adhoc_band
-	 */
-	if (!adhoc_channel) {
-		if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
-		     (priv, adapter->adhoc_start_band,
-		     priv->adhoc_channel)) {
-			/* Pass back the default channel */
-			radio_cfg->adhoc_channel = DEFAULT_AD_HOC_CHANNEL;
-			if ((adapter->adhoc_start_band & BAND_A)
-			    || (adapter->adhoc_start_band & BAND_AN))
-				radio_cfg->adhoc_channel =
-					DEFAULT_AD_HOC_CHANNEL_A;
-		}
-	} else {	/* Retrurn error if adhoc_band and
-			   adhoc_channel combination is invalid */
-		if (!mwifiex_get_cfp_by_band_and_channel_from_cfg80211
-		    (priv, adapter->adhoc_start_band, (u16) adhoc_channel))
-			return -1;
-		priv->adhoc_channel = (u8) adhoc_channel;
-	}
-	if ((adhoc_band & BAND_GN) || (adhoc_band & BAND_AN))
-		adapter->adhoc_11n_enabled = true;
-	else
-		adapter->adhoc_11n_enabled = false;
-
-	return 0;
-}
-
-/*
  * The function disables auto deep sleep mode.
  */
 int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
@@ -837,8 +776,8 @@ int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
 
 	if (!ret) {
 		if (rate->is_rate_auto)
-			rate->rate = mwifiex_index_to_data_rate(priv->tx_rate,
-							priv->tx_htinfo);
+			rate->rate = mwifiex_index_to_data_rate(priv,
+					priv->tx_rate, priv->tx_htinfo);
 		else
 			rate->rate = priv->data_rate;
 	} else {
diff --git a/drivers/net/wireless/mwifiex/sta_rx.c b/drivers/net/wireless/mwifiex/sta_rx.c
index 27430512f7c..5e1ef7e5da4 100644
--- a/drivers/net/wireless/mwifiex/sta_rx.c
+++ b/drivers/net/wireless/mwifiex/sta_rx.c
@@ -126,6 +126,9 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
 	u16 rx_pkt_type;
 	struct mwifiex_private *priv = adapter->priv[rx_info->bss_index];
 
+	if (!priv)
+		return -1;
+
 	local_rx_pd = (struct rxpd *) (skb->data);
 	rx_pkt_type = local_rx_pd->rx_pkt_type;
 
@@ -189,12 +192,11 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
 					     (u8) local_rx_pd->rx_pkt_type,
 					     skb);
 
-	if (ret || (rx_pkt_type == PKT_TYPE_BAR)) {
-		if (priv && (ret == -1))
-			priv->stats.rx_dropped++;
-
+	if (ret || (rx_pkt_type == PKT_TYPE_BAR))
 		dev_kfree_skb_any(skb);
-	}
+
+	if (ret)
+		priv->stats.rx_dropped++;
 
 	return ret;
 }
diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c
index a206f412875..d9274a1b77a 100644
--- a/drivers/net/wireless/mwifiex/txrx.c
+++ b/drivers/net/wireless/mwifiex/txrx.c
@@ -134,7 +134,7 @@ int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 	if (!priv)
 		goto done;
 
-	priv->netdev->trans_start = jiffies;
+	mwifiex_set_trans_start(priv->netdev);
 	if (!status) {
 		priv->stats.tx_packets++;
 		priv->stats.tx_bytes += skb->len;
@@ -152,7 +152,8 @@ int mwifiex_write_data_complete(struct mwifiex_adapter *adapter,
 		if ((GET_BSS_ROLE(tpriv) == MWIFIEX_BSS_ROLE_STA)
 				&& (tpriv->media_connected)) {
 			if (netif_queue_stopped(tpriv->netdev))
-				netif_wake_queue(tpriv->netdev);
+				mwifiex_wake_up_net_dev_queue(tpriv->netdev,
+								adapter);
 		}
 	}
 done: