diff --git a/drivers/net/wireless/mwifiex/11h.c b/drivers/net/wireless/mwifiex/11h.c
new file mode 100644
index 0000000000000000000000000000000000000000..8d683070bdb30df702bd1384281e17f639e755da
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/11h.c
@@ -0,0 +1,101 @@
+/*
+ * Marvell Wireless LAN device driver: 802.11h
+ *
+ * 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 "main.h"
+#include "fw.h"
+
+
+/* This function appends 11h info to a buffer while joining an
+ * infrastructure BSS
+ */
+static void
+mwifiex_11h_process_infra_join(struct mwifiex_private *priv, u8 **buffer,
+			       struct mwifiex_bssdescriptor *bss_desc)
+{
+	struct mwifiex_ie_types_header *ie_header;
+	struct mwifiex_ie_types_pwr_capability *cap;
+	struct mwifiex_ie_types_local_pwr_constraint *constraint;
+	struct ieee80211_supported_band *sband;
+	u8 radio_type;
+	int i;
+
+	if (!buffer || !(*buffer))
+		return;
+
+	radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
+	sband = priv->wdev->wiphy->bands[radio_type];
+
+	cap = (struct mwifiex_ie_types_pwr_capability *)*buffer;
+	cap->header.type = cpu_to_le16(WLAN_EID_PWR_CAPABILITY);
+	cap->header.len = cpu_to_le16(2);
+	cap->min_pwr = 0;
+	cap->max_pwr = 0;
+	*buffer += sizeof(*cap);
+
+	constraint = (struct mwifiex_ie_types_local_pwr_constraint *)*buffer;
+	constraint->header.type = cpu_to_le16(WLAN_EID_PWR_CONSTRAINT);
+	constraint->header.len = cpu_to_le16(2);
+	constraint->chan = bss_desc->channel;
+	constraint->constraint = bss_desc->local_constraint;
+	*buffer += sizeof(*constraint);
+
+	ie_header = (struct mwifiex_ie_types_header *)*buffer;
+	ie_header->type = cpu_to_le16(TLV_TYPE_PASSTHROUGH);
+	ie_header->len  = cpu_to_le16(2 * sband->n_channels + 2);
+	*buffer += sizeof(*ie_header);
+	*(*buffer)++ = WLAN_EID_SUPPORTED_CHANNELS;
+	*(*buffer)++ = 2 * sband->n_channels;
+	for (i = 0; i < sband->n_channels; i++) {
+		*(*buffer)++ = ieee80211_frequency_to_channel(
+					sband->channels[i].center_freq);
+		*(*buffer)++ = 1; /* one channel in the subband */
+	}
+}
+
+/* Enable or disable the 11h extensions in the firmware */
+static int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag)
+{
+	u32 enable = flag;
+
+	return mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_SNMP_MIB,
+				     HostCmd_ACT_GEN_SET, DOT11H_I, &enable);
+}
+
+/* This functions processes TLV buffer for a pending BSS Join command.
+ *
+ * Activate 11h functionality in the firmware if the spectrum management
+ * capability bit is found in the network we are joining. Also, necessary
+ * TLVs are set based on requested network's 11h capability.
+ */
+void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer,
+			      struct mwifiex_bssdescriptor *bss_desc)
+{
+	if (bss_desc->sensed_11h) {
+		/* Activate 11h functions in firmware, turns on capability
+		 * bit
+		 */
+		mwifiex_11h_activate(priv, true);
+		bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_SPECTRUM_MGMT;
+		mwifiex_11h_process_infra_join(priv, buffer, bss_desc);
+	} else {
+		/* Deactivate 11h functions in the firmware */
+		mwifiex_11h_activate(priv, false);
+		bss_desc->cap_info_bitmap &= ~WLAN_CAPABILITY_SPECTRUM_MGMT;
+	}
+}
diff --git a/drivers/net/wireless/mwifiex/Makefile b/drivers/net/wireless/mwifiex/Makefile
index ecf28464367fc5be95a8d231b0753af349b94ec9..a42a506fd32b6b0a211607c3ae0e224f6e6c8106 100644
--- a/drivers/net/wireless/mwifiex/Makefile
+++ b/drivers/net/wireless/mwifiex/Makefile
@@ -40,6 +40,7 @@ mwifiex-y += sta_rx.o
 mwifiex-y += uap_txrx.o
 mwifiex-y += cfg80211.o
 mwifiex-y += ethtool.o
+mwifiex-y += 11h.o
 mwifiex-$(CONFIG_DEBUG_FS) += debugfs.o
 obj-$(CONFIG_MWIFIEX) += mwifiex.o
 
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index d6ada7354c1489ec008588fd41da9aee2bbc917c..b6fbbf64cf969365de05af124089938f12c0c7ba 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -438,6 +438,7 @@ enum P2P_MODES {
 #define EVENT_BW_CHANGE                 0x00000048
 #define EVENT_UAP_MIC_COUNTERMEASURES   0x0000004c
 #define EVENT_HOSTWAKE_STAIE		0x0000004d
+#define EVENT_CHANNEL_SWITCH_ANN        0x00000050
 #define EVENT_REMAIN_ON_CHAN_EXPIRED    0x0000005f
 
 #define EVENT_ID_MASK                   0xffff
@@ -975,6 +976,7 @@ enum SNMP_MIB_INDEX {
 	LONG_RETRY_LIM_I = 7,
 	FRAG_THRESH_I = 8,
 	DOT11D_I = 9,
+	DOT11H_I = 10,
 };
 
 #define MAX_SNMP_BUF_SIZE   128
@@ -1206,6 +1208,18 @@ struct host_cmd_ds_sta_deauth {
 	__le16 reason;
 } __packed;
 
+struct mwifiex_ie_types_pwr_capability {
+	struct mwifiex_ie_types_header header;
+	s8 min_pwr;
+	s8 max_pwr;
+};
+
+struct mwifiex_ie_types_local_pwr_constraint {
+	struct mwifiex_ie_types_header header;
+	u8 chan;
+	u8 constraint;
+};
+
 struct mwifiex_ie_types_wmm_param_set {
 	struct mwifiex_ie_types_header header;
 	u8 wmm_ie[1];
diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
index 122175af18c657066509121d2ea6a937902fb7c3..1c8a771e8e8127e666265d10447b88f884a4c5fa 100644
--- a/drivers/net/wireless/mwifiex/join.c
+++ b/drivers/net/wireless/mwifiex/join.c
@@ -534,6 +534,8 @@ int mwifiex_cmd_802_11_associate(struct mwifiex_private *priv,
 
 	mwifiex_cmd_append_tsf_tlv(priv, &pos, bss_desc);
 
+	mwifiex_11h_process_join(priv, &pos, bss_desc);
+
 	cmd->size = cpu_to_le16((u16) (pos - (u8 *) assoc) + S_DS_GEN);
 
 	/* Set the Capability info at last */
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 0832c2437daf6012a8bcec1797374811f648ff06..95a6f5269c6cdb9e15f7f9974c2fd848ebd1bd4d 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -309,6 +309,9 @@ struct mwifiex_bssdescriptor {
 	u16 wapi_offset;
 	u8 *beacon_buf;
 	u32 beacon_buf_size;
+	u8 sensed_11h;
+	u8 local_constraint;
+	u8 chan_sw_ie_present;
 };
 
 struct mwifiex_current_bss_params {
@@ -1119,6 +1122,10 @@ u8 *mwifiex_11d_code_2_region(u8 code);
 void mwifiex_uap_del_sta_data(struct mwifiex_private *priv,
 			      struct mwifiex_sta_node *node);
 
+void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer,
+			      struct mwifiex_bssdescriptor *bss_desc);
+int mwifiex_11h_handle_event_chanswann(struct mwifiex_private *priv);
+
 extern const struct ethtool_ops mwifiex_ethtool_ops;
 
 #ifdef CONFIG_DEBUG_FS
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 801b6b72837935cf4fdec76a205fe8eda9daf5c6..284d68bf6acca2cd37639b0f0a47021e214f3370 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -391,6 +391,12 @@ mwifiex_is_network_compatible(struct mwifiex_private *priv,
 		return 0;
 	}
 
+	if (bss_desc->chan_sw_ie_present) {
+		dev_err(adapter->dev,
+			"Don't connect to AP with WLAN_EID_CHANNEL_SWITCH\n");
+		return -1;
+	}
+
 	if (mwifiex_is_bss_wapi(priv, bss_desc)) {
 		dev_dbg(adapter->dev, "info: return success for WAPI AP\n");
 		return 0;
@@ -1169,6 +1175,19 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
 			bss_entry->erp_flags = *(current_ptr + 2);
 			break;
 
+		case WLAN_EID_PWR_CONSTRAINT:
+			bss_entry->local_constraint = *(current_ptr + 2);
+			bss_entry->sensed_11h = true;
+			break;
+
+		case WLAN_EID_CHANNEL_SWITCH:
+			bss_entry->chan_sw_ie_present = true;
+		case WLAN_EID_PWR_CAPABILITY:
+		case WLAN_EID_TPC_REPORT:
+		case WLAN_EID_QUIET:
+			bss_entry->sensed_11h = true;
+		    break;
+
 		case WLAN_EID_EXT_SUPP_RATES:
 			/*
 			 * Only process extended supported rate
diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c
index 41aafc7454ed2b626bded2d96d9f8f9ac143a992..d28c92005cceccd099943af65eefb49375b8b989 100644
--- a/drivers/net/wireless/mwifiex/sta_event.c
+++ b/drivers/net/wireless/mwifiex/sta_event.c
@@ -427,6 +427,14 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv)
 
 		break;
 
+	case EVENT_CHANNEL_SWITCH_ANN:
+		dev_dbg(adapter->dev, "event: Channel Switch Announcement\n");
+		ret = mwifiex_send_cmd_async(priv,
+			HostCmd_CMD_802_11_DEAUTHENTICATE,
+			HostCmd_ACT_GEN_SET, 0,
+			priv->curr_bss_params.bss_descriptor.mac_address);
+		break;
+
 	default:
 		dev_dbg(adapter->dev, "event: unknown event id: %#x\n",
 			eventcause);
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 15b5457fa4e5d7e5d1a5ca59f86c0659341ea1e4..498add76a46d0b1a29af99dc60fb5b2fc96b91fb 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -178,6 +178,9 @@ int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
 	 */
 	bss_desc->disable_11ac = true;
 
+	if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
+		bss_desc->sensed_11h = true;
+
 	return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
 }