Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem

17 files changed, 836 insertions, 56 deletions

diff --git a/drivers/net/wireless/mwifiex/11ac.c b/drivers/net/wireless/mwifiex/11ac.c
new file mode 100644
index 000000000000..cf43b3c29250
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/11ac.c
@@ -0,0 +1,261 @@
+/*
+ * Marvell Wireless LAN device driver: 802.11ac
+ *
+ * Copyright (C) 2013, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#include "decl.h"
+#include "ioctl.h"
+#include "fw.h"
+#include "main.h"
+#include "11ac.h"
+
+/* This function converts the 2-bit MCS map to the highest long GI
+ * VHT data rate.
+ */
+static u16
+mwifiex_convert_mcsmap_to_maxrate(struct mwifiex_private *priv,
+				  u8 bands, u16 mcs_map)
+{
+	u8 i, nss, max_mcs;
+	u16 max_rate = 0;
+	u32 usr_vht_cap_info = 0;
+	struct mwifiex_adapter *adapter = priv->adapter;
+	/* tables of the MCS map to the highest data rate (in Mbps)
+	 * supported for long GI
+	 */
+	u16 max_rate_lgi_80MHZ[8][3] = {
+		{0x124, 0x15F, 0x186},	/* NSS = 1 */
+		{0x249, 0x2BE, 0x30C},  /* NSS = 2 */
+		{0x36D, 0x41D, 0x492},  /* NSS = 3 */
+		{0x492, 0x57C, 0x618},  /* NSS = 4 */
+		{0x5B6, 0x6DB, 0x79E},  /* NSS = 5 */
+		{0x6DB, 0x83A, 0x0},    /* NSS = 6 */
+		{0x7FF, 0x999, 0xAAA},  /* NSS = 7 */
+		{0x924, 0xAF8, 0xC30}   /* NSS = 8 */
+	};
+	u16 max_rate_lgi_160MHZ[8][3] = {
+		{0x249, 0x2BE, 0x30C},   /* NSS = 1 */
+		{0x492, 0x57C, 0x618},   /* NSS = 2 */
+		{0x6DB, 0x83A, 0x0},     /* NSS = 3 */
+		{0x924, 0xAF8, 0xC30},   /* NSS = 4 */
+		{0xB6D, 0xDB6, 0xF3C},   /* NSS = 5 */
+		{0xDB6, 0x1074, 0x1248}, /* NSS = 6 */
+		{0xFFF, 0x1332, 0x1554}, /* NSS = 7 */
+		{0x1248, 0x15F0, 0x1860} /* NSS = 8 */
+	};
+
+	if (bands & BAND_AAC)
+		usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
+	else
+		usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
+
+	/* find the max NSS supported */
+	nss = 0;
+	for (i = 0; i < 8; i++) {
+		max_mcs = (mcs_map >> (2 * i)) & 0x3;
+		if (max_mcs < 3)
+			nss = i;
+	}
+	max_mcs = (mcs_map >> (2 * nss)) & 0x3;
+
+	/* if max_mcs is 3, nss must be 0 (SS = 1). Thus, max mcs is MCS 9 */
+	if (max_mcs >= 3)
+		max_mcs = 2;
+
+	if (GET_VHTCAP_CHWDSET(usr_vht_cap_info)) {
+		/* support 160 MHz */
+		max_rate = max_rate_lgi_160MHZ[nss][max_mcs];
+		if (!max_rate)
+			/* MCS9 is not supported in NSS6 */
+			max_rate = max_rate_lgi_160MHZ[nss][max_mcs - 1];
+	} else {
+		max_rate = max_rate_lgi_80MHZ[nss][max_mcs];
+		if (!max_rate)
+			/* MCS9 is not supported in NSS3 */
+			max_rate = max_rate_lgi_80MHZ[nss][max_mcs - 1];
+	}
+
+	return max_rate;
+}
+
+static void
+mwifiex_fill_vht_cap_info(struct mwifiex_private *priv,
+			  struct mwifiex_ie_types_vhtcap *vht_cap, u8 bands)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+
+	if (bands & BAND_A)
+		vht_cap->vht_cap.vht_cap_info =
+				cpu_to_le32(adapter->usr_dot_11ac_dev_cap_a);
+	else
+		vht_cap->vht_cap.vht_cap_info =
+				cpu_to_le32(adapter->usr_dot_11ac_dev_cap_bg);
+}
+
+static void
+mwifiex_fill_vht_cap_tlv(struct mwifiex_private *priv,
+			 struct mwifiex_ie_types_vhtcap *vht_cap, u8 bands)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	u16 mcs_map_user, mcs_map_resp, mcs_map_result;
+	u16 mcs_user, mcs_resp, nss, tmp;
+
+	/* Fill VHT cap info */
+	mwifiex_fill_vht_cap_info(priv, vht_cap, bands);
+
+	/* rx MCS Set: find the minimum of the user rx mcs and ap rx mcs */
+	mcs_map_user = GET_DEVRXMCSMAP(adapter->usr_dot_11ac_mcs_support);
+	mcs_map_resp = le16_to_cpu(vht_cap->vht_cap.supp_mcs.rx_mcs_map);
+	mcs_map_result = 0;
+
+	for (nss = 1; nss <= 8; nss++) {
+		mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
+		mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
+
+		if ((mcs_user == NO_NSS_SUPPORT) ||
+		    (mcs_resp == NO_NSS_SUPPORT))
+			SET_VHTNSSMCS(mcs_map_result, nss, NO_NSS_SUPPORT);
+		else
+			SET_VHTNSSMCS(mcs_map_result, nss,
+				      min(mcs_user, mcs_resp));
+	}
+
+	vht_cap->vht_cap.supp_mcs.rx_mcs_map = cpu_to_le16(mcs_map_result);
+
+	tmp = mwifiex_convert_mcsmap_to_maxrate(priv, bands, mcs_map_result);
+	vht_cap->vht_cap.supp_mcs.rx_highest = cpu_to_le16(tmp);
+
+	/* tx MCS Set: find the minimum of the user tx mcs and ap tx mcs */
+	mcs_map_user = GET_DEVTXMCSMAP(adapter->usr_dot_11ac_mcs_support);
+	mcs_map_resp = le16_to_cpu(vht_cap->vht_cap.supp_mcs.tx_mcs_map);
+	mcs_map_result = 0;
+
+	for (nss = 1; nss <= 8; nss++) {
+		mcs_user = GET_VHTNSSMCS(mcs_map_user, nss);
+		mcs_resp = GET_VHTNSSMCS(mcs_map_resp, nss);
+		if ((mcs_user == NO_NSS_SUPPORT) ||
+		    (mcs_resp == NO_NSS_SUPPORT))
+			SET_VHTNSSMCS(mcs_map_result, nss, NO_NSS_SUPPORT);
+		else
+			SET_VHTNSSMCS(mcs_map_result, nss,
+				      min(mcs_user, mcs_resp));
+	}
+
+	vht_cap->vht_cap.supp_mcs.tx_mcs_map = cpu_to_le16(mcs_map_result);
+
+	tmp = mwifiex_convert_mcsmap_to_maxrate(priv, bands, mcs_map_result);
+	vht_cap->vht_cap.supp_mcs.tx_highest = cpu_to_le16(tmp);
+
+	return;
+}
+
+int mwifiex_cmd_append_11ac_tlv(struct mwifiex_private *priv,
+			     struct mwifiex_bssdescriptor *bss_desc,
+			     u8 **buffer)
+{
+	struct mwifiex_ie_types_vhtcap *vht_cap;
+	struct mwifiex_ie_types_oper_mode_ntf *oper_ntf;
+	struct ieee_types_oper_mode_ntf *ieee_oper_ntf;
+	struct mwifiex_ie_types_vht_oper *vht_op;
+	struct mwifiex_adapter *adapter = priv->adapter;
+	u8 supp_chwd_set;
+	u32 usr_vht_cap_info;
+	int ret_len = 0;
+
+	if (bss_desc->bss_band & BAND_A)
+		usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_a;
+	else
+		usr_vht_cap_info = adapter->usr_dot_11ac_dev_cap_bg;
+
+	/* VHT Capabilities IE */
+	if (bss_desc->bcn_vht_cap) {
+		vht_cap = (struct mwifiex_ie_types_vhtcap *)*buffer;
+		memset(vht_cap, 0, sizeof(*vht_cap));
+		vht_cap->header.type = cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
+		vht_cap->header.len  =
+				cpu_to_le16(sizeof(struct ieee80211_vht_cap));
+		memcpy((u8 *)vht_cap + sizeof(struct mwifiex_ie_types_header),
+		       (u8 *)bss_desc->bcn_vht_cap +
+		       sizeof(struct ieee_types_header),
+		       le16_to_cpu(vht_cap->header.len));
+
+		mwifiex_fill_vht_cap_tlv(priv, vht_cap, bss_desc->bss_band);
+		*buffer += sizeof(*vht_cap);
+		ret_len += sizeof(*vht_cap);
+	}
+
+	/* VHT Operation IE */
+	if (bss_desc->bcn_vht_oper) {
+		if (priv->bss_mode == HostCmd_BSS_MODE_IBSS) {
+			vht_op = (struct mwifiex_ie_types_vht_oper *)*buffer;
+			memset(vht_op, 0, sizeof(*vht_op));
+			vht_op->header.type =
+					cpu_to_le16(WLAN_EID_VHT_OPERATION);
+			vht_op->header.len  = cpu_to_le16(sizeof(*vht_op) -
+				      sizeof(struct mwifiex_ie_types_header));
+			memcpy((u8 *)vht_op +
+				sizeof(struct mwifiex_ie_types_header),
+			       (u8 *)bss_desc->bcn_vht_oper +
+			       sizeof(struct ieee_types_header),
+			       le16_to_cpu(vht_op->header.len));
+
+			/* negotiate the channel width and central freq
+			 * and keep the central freq as the peer suggests
+			 */
+			supp_chwd_set = GET_VHTCAP_CHWDSET(usr_vht_cap_info);
+
+			switch (supp_chwd_set) {
+			case 0:
+				vht_op->chan_width =
+				     min_t(u8, IEEE80211_VHT_CHANWIDTH_80MHZ,
+					   bss_desc->bcn_vht_oper->chan_width);
+				break;
+			case 1:
+				vht_op->chan_width =
+				     min_t(u8, IEEE80211_VHT_CHANWIDTH_160MHZ,
+					   bss_desc->bcn_vht_oper->chan_width);
+				break;
+			case 2:
+				vht_op->chan_width =
+				     min_t(u8, IEEE80211_VHT_CHANWIDTH_80P80MHZ,
+					   bss_desc->bcn_vht_oper->chan_width);
+				break;
+			default:
+				vht_op->chan_width =
+				     IEEE80211_VHT_CHANWIDTH_USE_HT;
+				break;
+			}
+
+			*buffer += sizeof(*vht_op);
+			ret_len += sizeof(*vht_op);
+		}
+	}
+
+	/* Operating Mode Notification IE */
+	if (bss_desc->oper_mode) {
+		ieee_oper_ntf = bss_desc->oper_mode;
+		oper_ntf = (void *)*buffer;
+		memset(oper_ntf, 0, sizeof(*oper_ntf));
+		oper_ntf->header.type = cpu_to_le16(WLAN_EID_OPMODE_NOTIF);
+		oper_ntf->header.len = cpu_to_le16(sizeof(u8));
+		oper_ntf->oper_mode = ieee_oper_ntf->oper_mode;
+		*buffer += sizeof(*oper_ntf);
+		ret_len += sizeof(*oper_ntf);
+	}
+
+	return ret_len;
+}
diff --git a/drivers/net/wireless/mwifiex/11ac.h b/drivers/net/wireless/mwifiex/11ac.h
new file mode 100644
index 000000000000..80fd1ba46200
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/11ac.h
@@ -0,0 +1,26 @@
+/*
+ * Marvell Wireless LAN device driver: 802.11ac
+ *
+ * Copyright (C) 2013, Marvell International Ltd.
+ *
+ * This software file (the "File") is distributed by Marvell International
+ * Ltd. under the terms of the GNU General Public License Version 2, June 1991
+ * (the "License").  You may use, redistribute and/or modify this File in
+ * accordance with the terms and conditions of the License, a copy of which
+ * is available by writing to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
+ * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
+ *
+ * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
+ * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
+ * this warranty disclaimer.
+ */
+
+#ifndef _MWIFIEX_11AC_H_
+#define _MWIFIEX_11AC_H_
+
+int mwifiex_cmd_append_11ac_tlv(struct mwifiex_private *priv,
+				struct mwifiex_bssdescriptor *bss_desc,
+				u8 **buffer);
+#endif /* _MWIFIEX_11AC_H_ */
diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c
index 25596ab0c576..45f19716687e 100644
--- a/drivers/net/wireless/mwifiex/11n.c
+++ b/drivers/net/wireless/mwifiex/11n.c
@@ -250,7 +250,8 @@ int mwifiex_cmd_amsdu_aggr_ctrl(struct host_cmd_ds_command *cmd,
  *      - Setting HT Tx capability and HT Tx information fields
  *      - Ensuring correct endian-ness
  */
-int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action,
+int mwifiex_cmd_11n_cfg(struct mwifiex_private *priv,
+			struct host_cmd_ds_command *cmd, u16 cmd_action,
 			struct mwifiex_ds_11n_tx_cfg *txcfg)
 {
 	struct host_cmd_ds_11n_cfg *htcfg = &cmd->params.htcfg;
@@ -260,6 +261,10 @@ int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action,
 	htcfg->action = cpu_to_le16(cmd_action);
 	htcfg->ht_tx_cap = cpu_to_le16(txcfg->tx_htcap);
 	htcfg->ht_tx_info = cpu_to_le16(txcfg->tx_htinfo);
+
+	if (priv->adapter->is_hw_11ac_capable)
+		htcfg->misc_config = cpu_to_le16(txcfg->misc_config);
+
 	return 0;
 }
 
diff --git a/drivers/net/wireless/mwifiex/11n.h b/drivers/net/wireless/mwifiex/11n.h
index 29a4c02479d6..375db01442bf 100644
--- a/drivers/net/wireless/mwifiex/11n.h
+++ b/drivers/net/wireless/mwifiex/11n.h
@@ -28,9 +28,9 @@ int mwifiex_ret_11n_delba(struct mwifiex_private *priv,
 			  struct host_cmd_ds_command *resp);
 int mwifiex_ret_11n_addba_req(struct mwifiex_private *priv,
 			      struct host_cmd_ds_command *resp);
-int mwifiex_cmd_11n_cfg(struct host_cmd_ds_command *cmd, u16 cmd_action,
+int mwifiex_cmd_11n_cfg(struct mwifiex_private *priv,
+			struct host_cmd_ds_command *cmd, u16 cmd_action,
 			struct mwifiex_ds_11n_tx_cfg *txcfg);
-
 int mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
 			       struct mwifiex_bssdescriptor *bss_desc,
 			       u8 **buffer);
diff --git a/drivers/net/wireless/mwifiex/Makefile b/drivers/net/wireless/mwifiex/Makefile
index dd0410d2d465..97b245cbafd8 100644
--- a/drivers/net/wireless/mwifiex/Makefile
+++ b/drivers/net/wireless/mwifiex/Makefile
@@ -23,6 +23,7 @@ mwifiex-y += util.o
 mwifiex-y += txrx.o
 mwifiex-y += wmm.o
 mwifiex-y += 11n.o
+mwifiex-y += 11ac.o
 mwifiex-y += 11n_aggr.o
 mwifiex-y += 11n_rxreorder.o
 mwifiex-y += scan.o
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index dc5357c0098f..a44023a7bd57 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -834,6 +834,66 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
 	return ret;
 }
 
+static void
+mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo,
+		     struct rate_info *rate)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+
+	if (adapter->is_hw_11ac_capable) {
+		/* bit[1-0]: 00=LG 01=HT 10=VHT */
+		if (tx_htinfo & BIT(0)) {
+			/* HT */
+			rate->mcs = priv->tx_rate;
+			rate->flags |= RATE_INFO_FLAGS_MCS;
+		}
+		if (tx_htinfo & BIT(1)) {
+			/* VHT */
+			rate->mcs = priv->tx_rate & 0x0F;
+			rate->flags |= RATE_INFO_FLAGS_VHT_MCS;
+		}
+
+		if (tx_htinfo & (BIT(1) | BIT(0))) {
+			/* HT or VHT */
+			switch (tx_htinfo & (BIT(3) | BIT(2))) {
+			case 0:
+				/* This will be 20MHz */
+				break;
+			case (BIT(2)):
+				rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+				break;
+			case (BIT(3)):
+				rate->flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
+				break;
+			case (BIT(3) | BIT(2)):
+				rate->flags |= RATE_INFO_FLAGS_160_MHZ_WIDTH;
+				break;
+			}
+
+			if (tx_htinfo & BIT(4))
+				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
+
+			if ((priv->tx_rate >> 4) == 1)
+				rate->nss = 2;
+			else
+				rate->nss = 1;
+		}
+	} else {
+		/*
+		 * Bit 0 in tx_htinfo indicates that current Tx rate
+		 * is 11n rate. Valid MCS index values for us are 0 to 15.
+		 */
+		if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
+			rate->mcs = priv->tx_rate;
+			rate->flags |= RATE_INFO_FLAGS_MCS;
+			if (tx_htinfo & BIT(1))
+				rate->flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+			if (tx_htinfo & BIT(2))
+				rate->flags |= RATE_INFO_FLAGS_SHORT_GI;
+		}
+	}
+}
+
 /*
  * This function dumps the station information on a buffer.
  *
@@ -873,20 +933,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,
 			      HostCmd_ACT_GEN_GET, DTIM_PERIOD_I,
 			      &priv->dtim_period);
 
-	/*
-	 * Bit 0 in tx_htinfo indicates that current Tx rate is 11n rate. Valid
-	 * MCS index values for us are 0 to 15.
-	 */
-	if ((priv->tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) {
-		sinfo->txrate.mcs = priv->tx_rate;
-		sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
-		/* 40MHz rate */
-		if (priv->tx_htinfo & BIT(1))
-			sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
-		/* SGI enabled */
-		if (priv->tx_htinfo & BIT(2))
-			sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
-	}
+	mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate);
 
 	sinfo->signal_avg = priv->bcn_rssi_avg;
 	sinfo->rx_bytes = priv->stats.rx_bytes;
@@ -1295,20 +1342,22 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
 	/* Set appropriate bands */
 	if (params->chandef.chan->band == IEEE80211_BAND_2GHZ) {
 		bss_cfg->band_cfg = BAND_CONFIG_BG;
+		config_bands = BAND_B | BAND_G;
 
-		if (cfg80211_get_chandef_type(&params->chandef) ==
-						NL80211_CHAN_NO_HT)
-			config_bands = BAND_B | BAND_G;
-		else
-			config_bands = BAND_B | BAND_G | BAND_GN;
+		if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
+			config_bands |= BAND_GN;
+
+		if (params->chandef.width > NL80211_CHAN_WIDTH_40)
+			config_bands |= BAND_GAC;
 	} else {
 		bss_cfg->band_cfg = BAND_CONFIG_A;
+		config_bands = BAND_A;
 
-		if (cfg80211_get_chandef_type(&params->chandef) ==
-						NL80211_CHAN_NO_HT)
-			config_bands = BAND_A;
-		else
-			config_bands = BAND_AN | BAND_A;
+		if (params->chandef.width > NL80211_CHAN_WIDTH_20_NOHT)
+			config_bands |= BAND_AN;
+
+		if (params->chandef.width > NL80211_CHAN_WIDTH_40)
+			config_bands |= BAND_AAC;
 	}
 
 	if (!((config_bands | priv->adapter->fw_bands) &
@@ -1879,6 +1928,79 @@ mwifiex_cfg80211_scan(struct wiphy *wiphy,
 	return 0;
 }
 
+static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info,
+				   struct mwifiex_private *priv)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	u32 vht_cap = 0, cap = adapter->hw_dot_11ac_dev_cap;
+
+	vht_info->vht_supported = true;
+
+	switch (GET_VHTCAP_MAXMPDULEN(cap)) {
+	case 0x00:
+		vht_cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895;
+		break;
+	case 0x01:
+		vht_cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991;
+		break;
+	case 0x10:
+		vht_cap |= IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454;
+	    break;
+	default:
+	    dev_err(adapter->dev, "unsupported MAX MPDU len\n");
+	    break;
+	}
+
+	if (ISSUPP_11ACVHTHTCVHT(cap))
+		vht_cap |= IEEE80211_VHT_CAP_HTC_VHT;
+
+	if (ISSUPP_11ACVHTTXOPPS(cap))
+		vht_cap |= IEEE80211_VHT_CAP_VHT_TXOP_PS;
+
+	if (ISSUPP_11ACMURXBEAMFORMEE(cap))
+		vht_cap |= IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE;
+
+	if (ISSUPP_11ACMUTXBEAMFORMEE(cap))
+		vht_cap |= IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
+	if (ISSUPP_11ACSUBEAMFORMER(cap))
+		vht_cap |= IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE;
+
+	if (ISSUPP_11ACSUBEAMFORMEE(cap))
+		vht_cap |= IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE;
+
+	if (ISSUPP_11ACRXSTBC(cap))
+		vht_cap |= IEEE80211_VHT_CAP_RXSTBC_1;
+
+	if (ISSUPP_11ACTXSTBC(cap))
+		vht_cap |= IEEE80211_VHT_CAP_TXSTBC;
+
+	if (ISSUPP_11ACSGI160(cap))
+		vht_cap |= IEEE80211_VHT_CAP_SHORT_GI_160;
+
+	if (ISSUPP_11ACSGI80(cap))
+		vht_cap |= IEEE80211_VHT_CAP_SHORT_GI_80;
+
+	if (ISSUPP_11ACLDPC(cap))
+		vht_cap |= IEEE80211_VHT_CAP_RXLDPC;
+
+	if (ISSUPP_11ACBW8080(cap))
+		vht_cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ;
+
+	if (ISSUPP_11ACBW160(cap))
+		vht_cap |= IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ;
+
+	vht_info->cap = vht_cap;
+
+	/* Update MCS support for VHT */
+	vht_info->vht_mcs.rx_mcs_map = cpu_to_le16(
+				adapter->hw_dot_11ac_mcs_support & 0xFFFF);
+	vht_info->vht_mcs.rx_highest = 0;
+	vht_info->vht_mcs.tx_mcs_map = cpu_to_le16(
+				adapter->hw_dot_11ac_mcs_support >> 16);
+	vht_info->vht_mcs.tx_highest = 0;
+}
+
 /*
  * This function sets up the CFG802.11 specific HT capability fields
  * with default values.
@@ -2092,11 +2214,18 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
 	priv->netdev = dev;
 
 	mwifiex_setup_ht_caps(&wiphy->bands[IEEE80211_BAND_2GHZ]->ht_cap, priv);
+	if (adapter->is_hw_11ac_capable)
+		mwifiex_setup_vht_caps(
+			&wiphy->bands[IEEE80211_BAND_2GHZ]->vht_cap, priv);
 
 	if (adapter->config_bands & BAND_A)
 		mwifiex_setup_ht_caps(
 			&wiphy->bands[IEEE80211_BAND_5GHZ]->ht_cap, priv);
 
+	if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable)
+		mwifiex_setup_vht_caps(
+			&wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv);
+
 	dev_net_set(dev, wiphy_net(wiphy));
 	dev->ieee80211_ptr = priv->wdev;
 	dev->ieee80211_ptr->iftype = priv->bss_mode;
diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c
index f69300f93f42..988552dece75 100644
--- a/drivers/net/wireless/mwifiex/cfp.c
+++ b/drivers/net/wireless/mwifiex/cfp.c
@@ -106,8 +106,8 @@ u8 *mwifiex_11d_code_2_region(u8 code)
  * This function maps an index in supported rates table into
  * the corresponding data rate.
  */
-u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
-							u8 ht_info)
+u32 mwifiex_index_to_acs_data_rate(struct mwifiex_private *priv,
+				   u8 index, u8 ht_info)
 {
 	/*
 	 * For every mcs_rate line, the first 8 bytes are for stream 1x1,
@@ -130,10 +130,155 @@ u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
 		{ 0x0e, 0x1c, 0x2b, 0x39, 0x56, 0x73, 0x82, 0x90,
 		  0x1c, 0x39, 0x56, 0x73, 0xad, 0xe7, 0x104, 0x120 }
 	};
+	/* AC rates */
+	u16 ac_mcs_rate_nss1[8][10] = {
+		/* LG 160M */
+		{ 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D,
+		  0x492, 0x57C, 0x618 },
+
+		/* SG 160M */
+		{ 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492,
+		  0x514, 0x618, 0x6C6 },
+
+		/* LG 80M */
+		{ 0x3B, 0x75, 0xB0, 0xEA, 0x15F, 0x1D4, 0x20F,
+		  0x249, 0x2BE, 0x30C },
+
+		/* SG 80M */
+		{ 0x41, 0x82, 0xC3, 0x104, 0x186, 0x208, 0x249,
+		  0x28A, 0x30C, 0x363 },
+
+		/* LG 40M */
+		{ 0x1B, 0x36, 0x51, 0x6C, 0xA2, 0xD8, 0xF3,
+		  0x10E, 0x144, 0x168 },
+
+		/* SG 40M */
+		{ 0x1E, 0x3C, 0x5A, 0x78, 0xB4, 0xF0, 0x10E,
+		  0x12C, 0x168, 0x190 },
+
+		/* LG 20M */
+		{ 0xD, 0x1A, 0x27, 0x34, 0x4E, 0x68, 0x75, 0x82, 0x9C, 0x00 },
+
+		/* SG 20M */
+		{ 0xF, 0x1D, 0x2C, 0x3A, 0x57, 0x74, 0x82, 0x91, 0xAE, 0x00 },
+	};
+	/* NSS2 note: the value in the table is 2 multiplier of the actual
+	 * rate
+	 */
+	u16 ac_mcs_rate_nss2[8][10] = {
+		/* LG 160M */
+		{ 0xEA, 0x1D4, 0x2BE, 0x3A8, 0x57C, 0x750, 0x83A,
+		  0x924, 0xAF8, 0xC30 },
+
+		/* SG 160M */
+		{ 0x104, 0x208, 0x30C, 0x410, 0x618, 0x820, 0x924,
+		  0xA28, 0xC30, 0xD8B },
+
+		/* LG 80M */
+		{ 0x75, 0xEA, 0x15F, 0x1D4, 0x2BE, 0x3A8, 0x41D,
+		  0x492, 0x57C, 0x618 },
+
+		/* SG 80M */
+		{ 0x82, 0x104, 0x186, 0x208, 0x30C, 0x410, 0x492,
+		  0x514, 0x618, 0x6C6 },
+
+		/* LG 40M */
+		{ 0x36, 0x6C, 0xA2, 0xD8, 0x144, 0x1B0, 0x1E6,
+		  0x21C, 0x288, 0x2D0 },
+
+		/* SG 40M */
+		{ 0x3C, 0x78, 0xB4, 0xF0, 0x168, 0x1E0, 0x21C,
+		  0x258, 0x2D0, 0x320 },
+
+		/* LG 20M */
+		{ 0x1A, 0x34, 0x4A, 0x68, 0x9C, 0xD0, 0xEA, 0x104,
+		  0x138, 0x00 },
+
+		/* SG 20M */
+		{ 0x1D, 0x3A, 0x57, 0x74, 0xAE, 0xE6, 0x104, 0x121,
+		  0x15B, 0x00 },
+	};
+	u32 rate = 0;
+	u8 mcs_index = 0;
+	u8 bw = 0;
+	u8 gi = 0;
+
+	if ((ht_info & 0x3) == MWIFIEX_RATE_FORMAT_VHT) {
+		mcs_index = min(index & 0xF, 9);
+
+		/* 20M: bw=0, 40M: bw=1, 80M: bw=2, 160M: bw=3 */
+		bw = (ht_info & 0xC) >> 2;
+
+		/* LGI: gi =0, SGI: gi = 1 */
+		gi = (ht_info & 0x10) >> 4;
+
+		if ((index >> 4) == 1)	/* NSS = 2 */
+			rate = ac_mcs_rate_nss2[2 * (3 - bw) + gi][mcs_index];
+		else			/* NSS = 1 */
+			rate = ac_mcs_rate_nss1[2 * (3 - bw) + gi][mcs_index];
+	} else if ((ht_info & 0x3) == MWIFIEX_RATE_FORMAT_HT) {
+		/* 20M: bw=0, 40M: bw=1 */
+		bw = (ht_info & 0xC) >> 2;
+
+		/* LGI: gi =0, SGI: gi = 1 */
+		gi = (ht_info & 0x10) >> 4;
+
+		if (index == MWIFIEX_RATE_BITMAP_MCS0) {
+			if (gi == 1)
+				rate = 0x0D;    /* MCS 32 SGI rate */
+			else
+				rate = 0x0C;    /* MCS 32 LGI rate */
+		} else if (index < 16) {
+			if ((bw == 1) || (bw == 0))
+				rate = mcs_rate[2 * (1 - bw) + gi][index];
+			else
+				rate = mwifiex_data_rates[0];
+		} else {
+			rate = mwifiex_data_rates[0];
+		}
+	} else {
+		/* 11n non-HT rates */
+		if (index >= MWIFIEX_SUPPORTED_RATES_EXT)
+			index = 0;
+		rate = mwifiex_data_rates[index];
+	}
+
+	return rate;
+}
+
+/* This function maps an index in supported rates table into
+ * the corresponding data rate.
+ */
+u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv,
+			       u8 index, u8 ht_info)
+{
+	/* 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 (priv->adapter->is_hw_11ac_capable)
+		return mwifiex_index_to_acs_data_rate(priv, index, ht_info);
+
 	if (ht_info & BIT(0)) {
 		if (index == MWIFIEX_RATE_BITMAP_MCS0) {
 			if (ht_info & BIT(2))
@@ -269,6 +414,7 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
 {
 	u32 k = 0;
 	struct mwifiex_adapter *adapter = priv->adapter;
+
 	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
 		switch (adapter->config_bands) {
 		case BAND_B:
@@ -279,6 +425,7 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
 			break;
 		case BAND_G:
 		case BAND_G | BAND_GN:
+		case BAND_G | BAND_GN | BAND_GAC:
 			dev_dbg(adapter->dev, "info: infra band=%d "
 				"supported_rates_g\n", adapter->config_bands);
 			k = mwifiex_copy_rates(rates, k, supported_rates_g,
@@ -288,7 +435,11 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
 		case BAND_A | BAND_B | BAND_G:
 		case BAND_A | BAND_B:
 		case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN:
+		case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN | BAND_AAC:
+		case BAND_A | BAND_B | BAND_G | BAND_GN | BAND_AN |
+		     BAND_AAC | BAND_GAC:
 		case BAND_B | BAND_G | BAND_GN:
+		case BAND_B | BAND_G | BAND_GN | BAND_GAC:
 			dev_dbg(adapter->dev, "info: infra band=%d "
 				"supported_rates_bg\n", adapter->config_bands);
 			k = mwifiex_copy_rates(rates, k, supported_rates_bg,
@@ -301,14 +452,18 @@ u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)
 			k = mwifiex_copy_rates(rates, k, supported_rates_a,
 					       sizeof(supported_rates_a));
 			break;
+		case BAND_AN:
 		case BAND_A | BAND_AN:
+		case BAND_A | BAND_AN | BAND_AAC:
 		case BAND_A | BAND_G | BAND_AN | BAND_GN:
+		case BAND_A | BAND_G | BAND_AN | BAND_GN | BAND_AAC:
 			dev_dbg(adapter->dev, "info: infra band=%d "
 				"supported_rates_a\n", adapter->config_bands);
 			k = mwifiex_copy_rates(rates, k, supported_rates_a,
 					       sizeof(supported_rates_a));
 			break;
 		case BAND_GN:
+		case BAND_GN | BAND_GAC:
 			dev_dbg(adapter->dev, "info: infra band=%d "
 				"supported_rates_n\n", adapter->config_bands);
 			k = mwifiex_copy_rates(rates, k, supported_rates_n,
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 2b125beecf2c..20a6c5555873 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -24,6 +24,7 @@
 #include "main.h"
 #include "wmm.h"
 #include "11n.h"
+#include "11ac.h"
 
 /*
  * This function initializes a command node.
@@ -1465,6 +1466,24 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv,
 	adapter->fw_release_number = le32_to_cpu(hw_spec->fw_release_number);
 	adapter->number_of_antenna = le16_to_cpu(hw_spec->number_of_antenna);
 
+	if (le32_to_cpu(hw_spec->dot_11ac_dev_cap)) {
+		adapter->is_hw_11ac_capable = true;
+
+		/* Copy 11AC cap */
+		adapter->hw_dot_11ac_dev_cap =
+					le32_to_cpu(hw_spec->dot_11ac_dev_cap);
+		adapter->usr_dot_11ac_dev_cap_bg = adapter->hw_dot_11ac_dev_cap;
+		adapter->usr_dot_11ac_dev_cap_a = adapter->hw_dot_11ac_dev_cap;
+
+		/* Copy 11AC mcs */
+		adapter->hw_dot_11ac_mcs_support =
+				le32_to_cpu(hw_spec->dot_11ac_mcs_support);
+		adapter->usr_dot_11ac_mcs_support =
+					adapter->hw_dot_11ac_mcs_support;
+	} else {
+		adapter->is_hw_11ac_capable = false;
+	}
+
 	dev_dbg(adapter->dev, "info: GET_HW_SPEC: fw_release_number- %#x\n",
 		adapter->fw_release_number);
 	dev_dbg(adapter->dev, "info: GET_HW_SPEC: permanent addr: %pM\n",
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index ebe2f6a7984c..25acb0682c56 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -49,13 +49,23 @@ struct tx_packet_hdr {
 #define A_SUPPORTED_RATES               9
 #define HOSTCMD_SUPPORTED_RATES         14
 #define N_SUPPORTED_RATES               3
-#define ALL_802_11_BANDS           (BAND_A | BAND_B | BAND_G | BAND_GN)
+#define ALL_802_11_BANDS           (BAND_A | BAND_B | BAND_G | BAND_GN | \
+				    BAND_AN | BAND_GAC | BAND_AAC)
 
-#define FW_MULTI_BANDS_SUPPORT  (BIT(8) | BIT(9) | BIT(10) | BIT(11))
+#define FW_MULTI_BANDS_SUPPORT  (BIT(8) | BIT(9) | BIT(10) | BIT(11) | \
+				 BIT(12) | BIT(13))
 #define IS_SUPPORT_MULTI_BANDS(adapter)        \
 	(adapter->fw_cap_info & FW_MULTI_BANDS_SUPPORT)
+
+/* shift bit 12 and bit 13 in fw_cap_info from the firmware to bit 13 and 14
+ * for 11ac so that bit 11 is for GN, bit 12 for AN, bit 13 for GAC, and bit
+ * bit 14 for AAC, in order to be compatible with the band capability
+ * defined in the driver after right shift of 8 bits.
+ */
 #define GET_FW_DEFAULT_BANDS(adapter)  \
-	((adapter->fw_cap_info >> 8) & ALL_802_11_BANDS)
+	    (((((adapter->fw_cap_info & 0x3000) << 1) | \
+	       (adapter->fw_cap_info & ~0xF000)) >> 8) & \
+	     ALL_802_11_BANDS)
 
 #define HostCmd_WEP_KEY_INDEX_MASK              0x3fff
 
@@ -216,6 +226,47 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
 
 #define LLC_SNAP_LEN    8
 
+/* HW_SPEC fw_cap_info */
+
+#define ISSUPP_11ACENABLED(fw_cap_info) (fw_cap_info & (BIT(13)|BIT(14)))
+
+#define GET_VHTCAP_MAXMPDULEN(vht_cap_info) (vht_cap_info & 0x3)
+#define GET_VHTCAP_CHWDSET(vht_cap_info)    ((vht_cap_info >> 2) & 0x3)
+#define GET_VHTNSSMCS(mcs_mapset, nss) ((mcs_mapset >> (2 * (nss - 1))) & 0x3)
+#define SET_VHTNSSMCS(mcs_mapset, nss, value) (mcs_mapset |= (value & 0x3) << \
+					      (2 * (nss - 1)))
+#define NO_NSS_SUPPORT		0x3
+
+/* HW_SPEC: HTC-VHT supported */
+#define ISSUPP_11ACVHTHTCVHT(Dot11acDevCap) (Dot11acDevCap & BIT(22))
+/* HW_SPEC: VHT TXOP PS support */
+#define ISSUPP_11ACVHTTXOPPS(Dot11acDevCap) (Dot11acDevCap & BIT(21))
+/* HW_SPEC: MU RX beamformee support */
+#define ISSUPP_11ACMURXBEAMFORMEE(Dot11acDevCap) (Dot11acDevCap & BIT(20))
+/* HW_SPEC: MU TX beamformee support */
+#define ISSUPP_11ACMUTXBEAMFORMEE(Dot11acDevCap) (Dot11acDevCap & BIT(19))
+/* HW_SPEC: SU Beamformee support */
+#define ISSUPP_11ACSUBEAMFORMEE(Dot11acDevCap) (Dot11acDevCap & BIT(10))
+/* HW_SPEC: SU Beamformer support */
+#define ISSUPP_11ACSUBEAMFORMER(Dot11acDevCap) (Dot11acDevCap & BIT(9))
+/* HW_SPEC: Rx STBC support */
+#define ISSUPP_11ACRXSTBC(Dot11acDevCap) (Dot11acDevCap & BIT(8))
+/* HW_SPEC: Tx STBC support */
+#define ISSUPP_11ACTXSTBC(Dot11acDevCap) (Dot11acDevCap & BIT(7))
+/* HW_SPEC: Short GI support for 160MHz BW */
+#define ISSUPP_11ACSGI160(Dot11acDevCap) (Dot11acDevCap & BIT(6))
+/* HW_SPEC: Short GI support for 80MHz BW */
+#define ISSUPP_11ACSGI80(Dot11acDevCap) (Dot11acDevCap & BIT(5))
+/* HW_SPEC: LDPC coding support */
+#define ISSUPP_11ACLDPC(Dot11acDevCap) (Dot11acDevCap & BIT(4))
+/* HW_SPEC: Channel BW 20/40/80/160/80+80 MHz support */
+#define ISSUPP_11ACBW8080(Dot11acDevCap) (Dot11acDevCap & BIT(3))
+/* HW_SPEC: Channel BW 20/40/80/160 MHz support */
+#define ISSUPP_11ACBW160(Dot11acDevCap) (Dot11acDevCap & BIT(2))
+
+#define GET_DEVTXMCSMAP(dev_mcs_map)      (dev_mcs_map >> 16)
+#define GET_DEVRXMCSMAP(dev_mcs_map)      (dev_mcs_map & 0xFFFF)
+
 #define MOD_CLASS_HR_DSSS       0x03
 #define MOD_CLASS_OFDM          0x07
 #define MOD_CLASS_HT            0x08
@@ -455,9 +506,22 @@ struct rxpd {
 	u8 rx_rate;
 	s8 snr;
 	s8 nf;
-	/* Ht Info [Bit 0] RxRate format: LG=0, HT=1
+
+	/* For: Non-802.11 AC cards
+	 *
+	 * Ht Info [Bit 0] RxRate format: LG=0, HT=1
 	 * [Bit 1]  HT Bandwidth: BW20 = 0, BW40 = 1
-	 * [Bit 2]  HT Guard Interval: LGI = 0, SGI = 1 */
+	 * [Bit 2]  HT Guard Interval: LGI = 0, SGI = 1
+	 *
+	 * For: 802.11 AC cards
+	 * [Bit 1] [Bit 0] RxRate format: legacy rate = 00 HT = 01 VHT = 10
+	 * [Bit 3] [Bit 2] HT/VHT Bandwidth BW20 = 00 BW40 = 01
+	 *						BW80 = 10  BW160 = 11
+	 * [Bit 4] HT/VHT Guard interval LGI = 0 SGI = 1
+	 * [Bit 5] STBC support Enabled = 1
+	 * [Bit 6] LDPC support Enabled = 1
+	 * [Bit 7] Reserved
+	 */
 	u8 ht_info;
 	u8 reserved;
 } __packed;
@@ -680,7 +744,11 @@ struct host_cmd_ds_get_hw_spec {
 	__le32 dot_11n_dev_cap;
 	u8 dev_mcs_support;
 	__le16 mp_end_port;	/* SDIO only, reserved for other interfacces */
-	__le16 reserved_4;
+	__le16 mgmt_buf_count;	/* mgmt IE buffer count */
+	__le32 reserved_5;
+	__le32 reserved_6;
+	__le32 dot_11ac_dev_cap;
+	__le32 dot_11ac_mcs_support;
 } __packed;
 
 struct host_cmd_ds_802_11_rssi_info {
@@ -786,6 +854,12 @@ union ieee_types_phy_param_set {
 	struct ieee_types_ds_param_set ds_param_set;
 } __packed;
 
+struct ieee_types_oper_mode_ntf {
+	u8 element_id;
+	u8 len;
+	u8 oper_mode;
+} __packed;
+
 struct host_cmd_ds_802_11_ad_hoc_start {
 	u8 ssid[IEEE80211_MAX_SSID_LEN];
 	u8 bss_mode;
@@ -846,11 +920,27 @@ struct host_cmd_ds_802_11_get_log {
 	__le32 wep_icv_err_cnt[4];
 };
 
+/* Enumeration for rate format */
+enum _mwifiex_rate_format {
+	MWIFIEX_RATE_FORMAT_LG = 0,
+	MWIFIEX_RATE_FORMAT_HT,
+	MWIFIEX_RATE_FORMAT_VHT,
+	MWIFIEX_RATE_FORMAT_AUTO = 0xFF,
+};
+
 struct host_cmd_ds_tx_rate_query {
 	u8 tx_rate;
-	/* Ht Info [Bit 0] RxRate format: LG=0, HT=1
+	/* Tx Rate Info: For 802.11 AC cards
+	 *
+	 * [Bit 0-1] tx rate formate: LG = 0, HT = 1, VHT = 2
+	 * [Bit 2-3] HT/VHT Bandwidth: BW20 = 0, BW40 = 1, BW80 = 2, BW160 = 3
+	 * [Bit 4]   HT/VHT Guard Interval: LGI = 0, SGI = 1
+	 *
+	 * For non-802.11 AC cards
+	 * Ht Info [Bit 0] RxRate format: LG=0, HT=1
 	 * [Bit 1]  HT Bandwidth: BW20 = 0, BW40 = 1
-	 * [Bit 2]  HT Guard Interval: LGI = 0, SGI = 1 */
+	 * [Bit 2]  HT Guard Interval: LGI = 0, SGI = 1
+	 */
 	u8 ht_info;
 } __packed;
 
@@ -1096,6 +1186,7 @@ struct host_cmd_ds_11n_cfg {
 	__le16 action;
 	__le16 ht_tx_cap;
 	__le16 ht_tx_info;
+	__le16 misc_config;	/* Needed for 802.11AC cards only */
 } __packed;
 
 struct host_cmd_ds_txbuf_cfg {
@@ -1183,6 +1274,26 @@ struct mwifiex_ie_types_htcap {
 	struct ieee80211_ht_cap ht_cap;
 } __packed;
 
+struct mwifiex_ie_types_vhtcap {
+	struct mwifiex_ie_types_header header;
+	struct ieee80211_vht_cap vht_cap;
+} __packed;
+
+struct mwifiex_ie_types_oper_mode_ntf {
+	struct mwifiex_ie_types_header header;
+	u8 oper_mode;
+} __packed;
+
+/* VHT Operations IE */
+struct mwifiex_ie_types_vht_oper {
+	struct mwifiex_ie_types_header header;
+	u8 chan_width;
+	u8 chan_center_freq_1;
+	u8 chan_center_freq_2;
+	/* Basic MCS set map, each 2 bits stands for a NSS */
+	u16 basic_mcs_map;
+} __packed;
+
 struct mwifiex_ie_types_wmmcap {
 	struct mwifiex_ie_types_header header;
 	struct mwifiex_types_wmm_info wmm_info;
diff --git a/drivers/net/wireless/mwifiex/ioctl.h b/drivers/net/wireless/mwifiex/ioctl.h
index f3d9d0445529..d85e6eb1f58a 100644
--- a/drivers/net/wireless/mwifiex/ioctl.h
+++ b/drivers/net/wireless/mwifiex/ioctl.h
@@ -60,6 +60,8 @@ enum {
 	BAND_A = 4,
 	BAND_GN = 8,
 	BAND_AN = 16,
+	BAND_GAC = 32,
+	BAND_AAC = 64,
 };
 
 #define MWIFIEX_WPA_PASSHPHRASE_LEN 64
@@ -103,6 +105,7 @@ struct mwifiex_uap_bss_param {
 	struct wpa_param wpa_cfg;
 	struct wep_key wep_cfg[NUM_WEP_KEYS];
 	struct ieee80211_ht_cap ht_cap;
+	struct ieee80211_vht_cap vht_cap;
 	u8 rates[MWIFIEX_SUPPORTED_RATES];
 	u32 sta_ao_timer;
 	u32 ps_sta_ao_timer;
@@ -272,6 +275,7 @@ struct mwifiex_ds_pm_cfg {
 struct mwifiex_ds_11n_tx_cfg {
 	u16 tx_htcap;
 	u16 tx_htinfo;
+	u16 misc_config; /* Needed for 802.11AC cards only */
 };
 
 struct mwifiex_ds_11n_amsdu_aggr_ctrl {
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index a537297866c6..246aa62a4817 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -24,6 +24,7 @@
 #include "main.h"
 #include "wmm.h"
 #include "11n.h"
+#include "11ac.h"
 
 #define CAPINFO_MASK    (~(BIT(15) | BIT(14) | BIT(12) | BIT(11) | BIT(9)))
 
@@ -512,6 +513,12 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 	     priv->adapter->config_bands & BAND_AN))
 		mwifiex_cmd_append_11n_tlv(priv, bss_desc, &pos);
 
+	if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info) &&
+	    !bss_desc->disable_11n && !bss_desc->disable_11ac &&
+	    (priv->adapter->config_bands & BAND_GAC ||
+	     priv->adapter->config_bands & BAND_AAC))
+		mwifiex_cmd_append_11ac_tlv(priv, bss_desc, &pos);
+
 	/* Append vendor specific IE TLV */
 	mwifiex_cmd_append_vsie_tlv(priv, MWIFIEX_VSIE_MASK_ASSOC, &pos);
 
@@ -1421,6 +1428,7 @@ mwifiex_band_to_radio_type(u8 band)
 	case BAND_A:
 	case BAND_AN:
 	case BAND_A | BAND_AN:
+	case BAND_A | BAND_AN | BAND_AAC:
 		return HostCmd_SCAN_RADIO_TYPE_A;
 	case BAND_B:
 	case BAND_G:
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index ac799a046eb7..553adfb0aa81 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -295,6 +295,13 @@ struct mwifiex_bssdescriptor {
 	u16 bss_co_2040_offset;
 	u8 *bcn_ext_cap;
 	u16 ext_cap_offset;
+	struct ieee80211_vht_cap *bcn_vht_cap;
+	u16 vht_cap_offset;
+	struct ieee80211_vht_operation *bcn_vht_oper;
+	u16 vht_info_offset;
+	struct ieee_types_oper_mode_ntf *oper_mode;
+	u16 oper_mode_offset;
+	u8 disable_11ac;
 	struct ieee_types_vendor_specific *bcn_wpa_ie;
 	u16 wpa_offset;
 	struct ieee_types_generic *bcn_rsn_ie;
@@ -499,6 +506,7 @@ struct mwifiex_private {
 	u16 rsn_idx;
 	struct timer_list scan_delay_timer;
 	u8 ap_11n_enabled;
+	u8 ap_11ac_enabled;
 	u32 mgmt_frame_mask;
 	struct mwifiex_roc_cfg roc_cfg;
 };
@@ -722,6 +730,15 @@ struct mwifiex_adapter {
 	u16 max_mgmt_ie_index;
 	u8 scan_delay_cnt;
 	u8 empty_tx_q_cnt;
+
+	/* 11AC */
+	u32 is_hw_11ac_capable;
+	u32 hw_dot_11ac_dev_cap;
+	u32 hw_dot_11ac_mcs_support;
+	u32 usr_dot_11ac_dev_cap_bg;
+	u32 usr_dot_11ac_dev_cap_a;
+	u32 usr_dot_11ac_mcs_support;
+
 	atomic_t is_tx_received;
 	atomic_t pending_bridged_pkts;
 };
@@ -864,8 +881,10 @@ int mwifiex_ret_802_11_ad_hoc(struct mwifiex_private *priv,
 int mwifiex_cmd_802_11_bg_scan_query(struct host_cmd_ds_command *cmd);
 struct mwifiex_chan_freq_power *mwifiex_get_cfp(struct mwifiex_private *priv,
 						u8 band, u16 channel, u32 freq);
-u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv, u8 index,
-							u8 ht_info);
+u32 mwifiex_index_to_data_rate(struct mwifiex_private *priv,
+			       u8 index, u8 ht_info);
+u32 mwifiex_index_to_acs_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);
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 492655c048d1..4b54bcf382f3 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1023,10 +1023,7 @@ static int mwifiex_pcie_send_data_complete(struct mwifiex_adapter *adapter)
 		adapter->data_sent = false;
 
 	if (card->txbd_flush) {
-		if (((card->txbd_wrptr & reg->tx_mask) ==
-		     (card->txbd_rdptr & reg->tx_mask)) &&
-		    ((card->txbd_wrptr & reg->tx_rollover_ind) !=
-		     (card->txbd_rdptr & reg->tx_rollover_ind)))
+		if (mwifiex_pcie_txbd_empty(card, card->txbd_rdptr))
 			card->txbd_flush = 0;
 		else
 			mwifiex_clean_pcie_ring_buf(adapter);
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index e0cce1b52d55..bb60c2754a97 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1250,6 +1250,23 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
 					sizeof(struct ieee_types_header) -
 					bss_entry->beacon_buf);
 			break;
+		case WLAN_EID_VHT_CAPABILITY:
+			bss_entry->disable_11ac = false;
+			bss_entry->bcn_vht_cap =
+				(void *)(current_ptr +
+					 sizeof(struct ieee_types_header));
+			bss_entry->vht_cap_offset =
+					(u16)((u8 *)bss_entry->bcn_vht_cap -
+					      bss_entry->beacon_buf);
+			break;
+		case WLAN_EID_VHT_OPERATION:
+			bss_entry->bcn_vht_oper =
+				(void *)(current_ptr +
+					 sizeof(struct ieee_types_header));
+			bss_entry->vht_info_offset =
+					(u16)((u8 *)bss_entry->bcn_vht_oper -
+					      bss_entry->beacon_buf);
+			break;
 		case WLAN_EID_BSS_COEX_2040:
 			bss_entry->bcn_bss_co_2040 = current_ptr +
 				sizeof(struct ieee_types_header);
@@ -1264,6 +1281,14 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
 					sizeof(struct ieee_types_header) -
 					bss_entry->beacon_buf);
 			break;
+		case WLAN_EID_OPMODE_NOTIF:
+			bss_entry->oper_mode =
+				(void *)(current_ptr +
+					 sizeof(struct ieee_types_header));
+			bss_entry->oper_mode_offset =
+					(u16)((u8 *)bss_entry->oper_mode -
+					      bss_entry->beacon_buf);
+			break;
 		default:
 			break;
 		}
@@ -1479,20 +1504,26 @@ static int mwifiex_update_curr_bss_params(struct mwifiex_private *priv,
 	priv->curr_bss_params.bss_descriptor.bcn_wapi_ie = NULL;
 	priv->curr_bss_params.bss_descriptor.wapi_offset = 0;
 	priv->curr_bss_params.bss_descriptor.bcn_ht_cap = NULL;
-	priv->curr_bss_params.bss_descriptor.ht_cap_offset =
-		0;
+	priv->curr_bss_params.bss_descriptor.ht_cap_offset = 0;
 	priv->curr_bss_params.bss_descriptor.bcn_ht_oper = NULL;
-	priv->curr_bss_params.bss_descriptor.ht_info_offset =
-		0;
-	priv->curr_bss_params.bss_descriptor.bcn_bss_co_2040 =
-		NULL;
-	priv->curr_bss_params.bss_descriptor.
-		bss_co_2040_offset = 0;
+	priv->curr_bss_params.bss_descriptor.ht_info_offset = 0;
+	priv->curr_bss_params.bss_descriptor.bcn_bss_co_2040 = NULL;
+	priv->curr_bss_params.bss_descriptor.bss_co_2040_offset = 0;
 	priv->curr_bss_params.bss_descriptor.bcn_ext_cap = NULL;
 	priv->curr_bss_params.bss_descriptor.ext_cap_offset = 0;
 	priv->curr_bss_params.bss_descriptor.beacon_buf = NULL;
-	priv->curr_bss_params.bss_descriptor.beacon_buf_size =
-		0;
+	priv->curr_bss_params.bss_descriptor.beacon_buf_size = 0;
+	priv->curr_bss_params.bss_descriptor.bcn_vht_cap = NULL;
+	priv->curr_bss_params.bss_descriptor.vht_cap_offset = 0;
+	priv->curr_bss_params.bss_descriptor.bcn_vht_oper = NULL;
+	priv->curr_bss_params.bss_descriptor.vht_info_offset = 0;
+	priv->curr_bss_params.bss_descriptor.oper_mode = NULL;
+	priv->curr_bss_params.bss_descriptor.oper_mode_offset = 0;
+
+	/* Disable 11ac by default. Enable it only where there
+	 * exist VHT_CAP IE in AP beacon
+	 */
+	priv->curr_bss_params.bss_descriptor.disable_11ac = true;
 
 	/* Make a copy of current BSSID descriptor */
 	memcpy(&priv->curr_bss_params.bss_descriptor, bss_desc,
@@ -2022,6 +2053,14 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv)
 			(curr_bss->beacon_buf +
 			 curr_bss->ht_info_offset);
 
+	if (curr_bss->bcn_vht_cap)
+		curr_bss->bcn_ht_cap = (void *)(curr_bss->beacon_buf +
+						curr_bss->vht_cap_offset);
+
+	if (curr_bss->bcn_vht_oper)
+		curr_bss->bcn_ht_oper = (void *)(curr_bss->beacon_buf +
+						 curr_bss->vht_info_offset);
+
 	if (curr_bss->bcn_bss_co_2040)
 		curr_bss->bcn_bss_co_2040 =
 			(curr_bss->beacon_buf + curr_bss->bss_co_2040_offset);
@@ -2029,6 +2068,10 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv)
 	if (curr_bss->bcn_ext_cap)
 		curr_bss->bcn_ext_cap = curr_bss->beacon_buf +
 			curr_bss->ext_cap_offset;
+
+	if (curr_bss->oper_mode)
+		curr_bss->oper_mode = (void *)(curr_bss->beacon_buf +
+					       curr_bss->oper_mode_offset);
 }
 
 /*
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index c4607859d59d..c55c5bb93134 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -1230,7 +1230,7 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
 						  data_buf);
 		break;
 	case HostCmd_CMD_11N_CFG:
-		ret = mwifiex_cmd_11n_cfg(cmd_ptr, cmd_action, data_buf);
+		ret = mwifiex_cmd_11n_cfg(priv, cmd_ptr, cmd_action, data_buf);
 		break;
 	case HostCmd_CMD_WMM_GET_STATUS:
 		dev_dbg(priv->adapter->dev,
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index 847056415ac9..4669f8d9389f 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -24,6 +24,7 @@
 #include "main.h"
 #include "wmm.h"
 #include "11n.h"
+#include "11ac.h"
 
 
 /*
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 7eef74564a92..9f33c92c90f5 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -281,9 +281,10 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 
 			if (mwifiex_band_to_radio_type((u8) bss_desc->bss_band)
 			    == HostCmd_SCAN_RADIO_TYPE_BG)
-				config_bands = BAND_B | BAND_G | BAND_GN;
+				config_bands = BAND_B | BAND_G | BAND_GN |
+					       BAND_GAC;
 			else
-				config_bands = BAND_A | BAND_AN;
+				config_bands = BAND_A | BAND_AN | BAND_AAC;
 
 			if (!((config_bands | adapter->fw_bands) &
 			      ~adapter->fw_bands))