Initial import

1 files changed, 1155 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
new file mode 100644
index 000000000..88dc6b672
--- /dev/null
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -0,0 +1,1155 @@
+/*
+ * Marvell Wireless LAN device driver: station command response handling
+ *
+ * Copyright (C) 2011-2014, 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 "util.h"
+#include "fw.h"
+#include "main.h"
+#include "wmm.h"
+#include "11n.h"
+#include "11ac.h"
+
+
+/*
+ * This function handles the command response error case.
+ *
+ * For scan response error, the function cancels all the pending
+ * scan commands and generates an event to inform the applications
+ * of the scan completion.
+ *
+ * For Power Save command failure, we do not retry enter PS
+ * command in case of Ad-hoc mode.
+ *
+ * For all other response errors, the current command buffer is freed
+ * and returned to the free command queue.
+ */
+static void
+mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
+			      struct host_cmd_ds_command *resp)
+{
+	struct cmd_ctrl_node *cmd_node = NULL, *tmp_node;
+	struct mwifiex_adapter *adapter = priv->adapter;
+	struct host_cmd_ds_802_11_ps_mode_enh *pm;
+	unsigned long flags;
+
+	dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n",
+		resp->command, resp->result);
+
+	if (adapter->curr_cmd->wait_q_enabled)
+		adapter->cmd_wait_q.status = -1;
+
+	switch (le16_to_cpu(resp->command)) {
+	case HostCmd_CMD_802_11_PS_MODE_ENH:
+		pm = &resp->params.psmode_enh;
+		dev_err(adapter->dev,
+			"PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n",
+			resp->result, le16_to_cpu(pm->action));
+		/* We do not re-try enter-ps command in ad-hoc mode. */
+		if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
+		    (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
+		    priv->bss_mode == NL80211_IFTYPE_ADHOC)
+			adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
+
+		break;
+	case HostCmd_CMD_802_11_SCAN:
+	case HostCmd_CMD_802_11_SCAN_EXT:
+		/* Cancel all pending scan command */
+		spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
+		list_for_each_entry_safe(cmd_node, tmp_node,
+					 &adapter->scan_pending_q, list) {
+			list_del(&cmd_node->list);
+			spin_unlock_irqrestore(&adapter->scan_pending_q_lock,
+					       flags);
+			mwifiex_insert_cmd_to_free_q(adapter, cmd_node);
+			spin_lock_irqsave(&adapter->scan_pending_q_lock, flags);
+		}
+		spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags);
+
+		spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
+		adapter->scan_processing = false;
+		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
+		break;
+
+	case HostCmd_CMD_MAC_CONTROL:
+		break;
+
+	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
+		dev_err(priv->adapter->dev, "SDIO RX single-port aggregation Not support\n");
+		break;
+
+	default:
+		break;
+	}
+	/* Handling errors here */
+	mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
+
+	spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
+	adapter->curr_cmd = NULL;
+	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
+}
+
+/*
+ * This function handles the command response of get RSSI info.
+ *
+ * Handling includes changing the header fields into CPU format
+ * and saving the following parameters in driver -
+ *      - Last data and beacon RSSI value
+ *      - Average data and beacon RSSI value
+ *      - Last data and beacon NF value
+ *      - Average data and beacon NF value
+ *
+ * The parameters are send to the application as well, along with
+ * calculated SNR values.
+ */
+static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
+					struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
+						&resp->params.rssi_info_rsp;
+	struct mwifiex_ds_misc_subsc_evt *subsc_evt =
+						&priv->async_subsc_evt_storage;
+
+	priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
+	priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
+
+	priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
+	priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
+
+	priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
+	priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
+
+	priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
+	priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
+
+	if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
+		return 0;
+
+	memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
+
+	/* Resubscribe low and high rssi events with new thresholds */
+	subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
+	subsc_evt->action = HostCmd_ACT_BITWISE_SET;
+	if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
+		subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
+				priv->cqm_rssi_hyst);
+		subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
+	} else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
+		subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
+		subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
+				priv->cqm_rssi_hyst);
+	}
+	subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
+	subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
+
+	priv->subsc_evt_rssi_state = EVENT_HANDLED;
+
+	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
+			 0, 0, subsc_evt, false);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get SNMP
+ * MIB parameters.
+ *
+ * Handling includes changing the header fields into CPU format
+ * and saving the parameter in driver.
+ *
+ * The following parameters are supported -
+ *      - Fragmentation threshold
+ *      - RTS threshold
+ *      - Short retry limit
+ */
+static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
+				       struct host_cmd_ds_command *resp,
+				       u32 *data_buf)
+{
+	struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
+	u16 oid = le16_to_cpu(smib->oid);
+	u16 query_type = le16_to_cpu(smib->query_type);
+	u32 ul_temp;
+
+	dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x,"
+		" query_type = %#x, buf size = %#x\n",
+		oid, query_type, le16_to_cpu(smib->buf_size));
+	if (query_type == HostCmd_ACT_GEN_GET) {
+		ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
+		if (data_buf)
+			*data_buf = ul_temp;
+		switch (oid) {
+		case FRAG_THRESH_I:
+			dev_dbg(priv->adapter->dev,
+				"info: SNMP_RESP: FragThsd =%u\n", ul_temp);
+			break;
+		case RTS_THRESH_I:
+			dev_dbg(priv->adapter->dev,
+				"info: SNMP_RESP: RTSThsd =%u\n", ul_temp);
+			break;
+		case SHORT_RETRY_LIM_I:
+			dev_dbg(priv->adapter->dev,
+				"info: SNMP_RESP: TxRetryCount=%u\n", ul_temp);
+			break;
+		case DTIM_PERIOD_I:
+			dev_dbg(priv->adapter->dev,
+				"info: SNMP_RESP: DTIM period=%u\n", ul_temp);
+		default:
+			break;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of get log request
+ *
+ * Handling includes changing the header fields into CPU format
+ * and sending the received parameters to application.
+ */
+static int mwifiex_ret_get_log(struct mwifiex_private *priv,
+			       struct host_cmd_ds_command *resp,
+			       struct mwifiex_ds_get_stats *stats)
+{
+	struct host_cmd_ds_802_11_get_log *get_log =
+		&resp->params.get_log;
+
+	if (stats) {
+		stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
+		stats->failed = le32_to_cpu(get_log->failed);
+		stats->retry = le32_to_cpu(get_log->retry);
+		stats->multi_retry = le32_to_cpu(get_log->multi_retry);
+		stats->frame_dup = le32_to_cpu(get_log->frame_dup);
+		stats->rts_success = le32_to_cpu(get_log->rts_success);
+		stats->rts_failure = le32_to_cpu(get_log->rts_failure);
+		stats->ack_failure = le32_to_cpu(get_log->ack_failure);
+		stats->rx_frag = le32_to_cpu(get_log->rx_frag);
+		stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
+		stats->fcs_error = le32_to_cpu(get_log->fcs_error);
+		stats->tx_frame = le32_to_cpu(get_log->tx_frame);
+		stats->wep_icv_error[0] =
+			le32_to_cpu(get_log->wep_icv_err_cnt[0]);
+		stats->wep_icv_error[1] =
+			le32_to_cpu(get_log->wep_icv_err_cnt[1]);
+		stats->wep_icv_error[2] =
+			le32_to_cpu(get_log->wep_icv_err_cnt[2]);
+		stats->wep_icv_error[3] =
+			le32_to_cpu(get_log->wep_icv_err_cnt[3]);
+		stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt);
+		stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt);
+	}
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get Tx rate
+ * configurations.
+ *
+ * Handling includes changing the header fields into CPU format
+ * and saving the following parameters in driver -
+ *      - DSSS rate bitmap
+ *      - OFDM rate bitmap
+ *      - HT MCS rate bitmaps
+ *
+ * Based on the new rate bitmaps, the function re-evaluates if
+ * auto data rate has been activated. If not, it sends another
+ * query to the firmware to get the current Tx data rate.
+ */
+static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
+	struct mwifiex_rate_scope *rate_scope;
+	struct mwifiex_ie_types_header *head;
+	u16 tlv, tlv_buf_len, tlv_buf_left;
+	u8 *tlv_buf;
+	u32 i;
+
+	tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
+	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
+
+	while (tlv_buf_left >= sizeof(*head)) {
+		head = (struct mwifiex_ie_types_header *)tlv_buf;
+		tlv = le16_to_cpu(head->type);
+		tlv_buf_len = le16_to_cpu(head->len);
+
+		if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
+			break;
+
+		switch (tlv) {
+		case TLV_TYPE_RATE_SCOPE:
+			rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
+			priv->bitmap_rates[0] =
+				le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
+			priv->bitmap_rates[1] =
+				le16_to_cpu(rate_scope->ofdm_rate_bitmap);
+			for (i = 0;
+			     i <
+			     sizeof(rate_scope->ht_mcs_rate_bitmap) /
+			     sizeof(u16); i++)
+				priv->bitmap_rates[2 + i] =
+					le16_to_cpu(rate_scope->
+						    ht_mcs_rate_bitmap[i]);
+
+			if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
+				for (i = 0; i < ARRAY_SIZE(rate_scope->
+							   vht_mcs_rate_bitmap);
+				     i++)
+					priv->bitmap_rates[10 + i] =
+					    le16_to_cpu(rate_scope->
+							vht_mcs_rate_bitmap[i]);
+			}
+			break;
+			/* Add RATE_DROP tlv here */
+		}
+
+		tlv_buf += (sizeof(*head) + tlv_buf_len);
+		tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
+	}
+
+	priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
+
+	if (priv->is_data_rate_auto)
+		priv->data_rate = 0;
+	else
+		return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
+					HostCmd_ACT_GEN_GET, 0, NULL, false);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of get Tx power level.
+ *
+ * Handling includes saving the maximum and minimum Tx power levels
+ * in driver, as well as sending the values to user.
+ */
+static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
+{
+	int length, max_power = -1, min_power = -1;
+	struct mwifiex_types_power_group *pg_tlv_hdr;
+	struct mwifiex_power_group *pg;
+
+	if (!data_buf)
+		return -1;
+
+	pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
+	pg = (struct mwifiex_power_group *)
+		((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
+	length = le16_to_cpu(pg_tlv_hdr->length);
+
+	/* At least one structure required to update power */
+	if (length < sizeof(struct mwifiex_power_group))
+		return 0;
+
+	max_power = pg->power_max;
+	min_power = pg->power_min;
+	length -= sizeof(struct mwifiex_power_group);
+
+	while (length >= sizeof(struct mwifiex_power_group)) {
+		pg++;
+		if (max_power < pg->power_max)
+			max_power = pg->power_max;
+
+		if (min_power > pg->power_min)
+			min_power = pg->power_min;
+
+		length -= sizeof(struct mwifiex_power_group);
+	}
+	priv->min_tx_power_level = (u8) min_power;
+	priv->max_tx_power_level = (u8) max_power;
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get Tx power
+ * configurations.
+ *
+ * Handling includes changing the header fields into CPU format
+ * and saving the current Tx power level in driver.
+ */
+static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
+				    struct host_cmd_ds_command *resp)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
+	struct mwifiex_types_power_group *pg_tlv_hdr;
+	struct mwifiex_power_group *pg;
+	u16 action = le16_to_cpu(txp_cfg->action);
+	u16 tlv_buf_left;
+
+	pg_tlv_hdr = (struct mwifiex_types_power_group *)
+		((u8 *)txp_cfg +
+		 sizeof(struct host_cmd_ds_txpwr_cfg));
+
+	pg = (struct mwifiex_power_group *)
+		((u8 *)pg_tlv_hdr +
+		 sizeof(struct mwifiex_types_power_group));
+
+	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
+	if (tlv_buf_left <
+			le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
+		return 0;
+
+	switch (action) {
+	case HostCmd_ACT_GEN_GET:
+		if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
+			mwifiex_get_power_level(priv, pg_tlv_hdr);
+
+		priv->tx_power_level = (u16) pg->power_min;
+		break;
+
+	case HostCmd_ACT_GEN_SET:
+		if (!le32_to_cpu(txp_cfg->mode))
+			break;
+
+		if (pg->power_max == pg->power_min)
+			priv->tx_power_level = (u16) pg->power_min;
+		break;
+	default:
+		dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n",
+			action);
+		return 0;
+	}
+	dev_dbg(adapter->dev,
+		"info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
+	       priv->tx_power_level, priv->max_tx_power_level,
+	       priv->min_tx_power_level);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of get RF Tx power.
+ */
+static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
+	u16 action = le16_to_cpu(txp->action);
+
+	priv->tx_power_level = le16_to_cpu(txp->cur_level);
+
+	if (action == HostCmd_ACT_GEN_GET) {
+		priv->max_tx_power_level = txp->max_power;
+		priv->min_tx_power_level = txp->min_power;
+	}
+
+	dev_dbg(priv->adapter->dev,
+		"Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
+		priv->tx_power_level, priv->max_tx_power_level,
+		priv->min_tx_power_level);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set rf antenna
+ */
+static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
+				  struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
+	struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
+	struct mwifiex_adapter *adapter = priv->adapter;
+
+	if (adapter->hw_dev_mcs_support == HT_STREAM_2X2)
+		dev_dbg(adapter->dev,
+			"RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x"
+			" Rx action = 0x%x, Rx Mode = 0x%04x\n",
+			le16_to_cpu(ant_mimo->action_tx),
+			le16_to_cpu(ant_mimo->tx_ant_mode),
+			le16_to_cpu(ant_mimo->action_rx),
+			le16_to_cpu(ant_mimo->rx_ant_mode));
+	else
+		dev_dbg(adapter->dev,
+			"RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
+			le16_to_cpu(ant_siso->action),
+			le16_to_cpu(ant_siso->ant_mode));
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get MAC address.
+ *
+ * Handling includes saving the MAC address in driver.
+ */
+static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
+					  struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
+							&resp->params.mac_addr;
+
+	memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
+
+	dev_dbg(priv->adapter->dev,
+		"info: set mac address: %pM\n", priv->curr_addr);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get MAC multicast
+ * address.
+ */
+static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
+					 struct host_cmd_ds_command *resp)
+{
+	return 0;
+}
+
+/*
+ * This function handles the command response of get Tx rate query.
+ *
+ * Handling includes changing the header fields into CPU format
+ * and saving the Tx rate and HT information parameters in driver.
+ *
+ * Both rate configuration and current data rate can be retrieved
+ * with this request.
+ */
+static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
+					    struct host_cmd_ds_command *resp)
+{
+	priv->tx_rate = resp->params.tx_rate.tx_rate;
+	priv->tx_htinfo = resp->params.tx_rate.ht_info;
+	if (!priv->is_data_rate_auto)
+		priv->data_rate =
+			mwifiex_index_to_data_rate(priv, priv->tx_rate,
+						   priv->tx_htinfo);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of a deauthenticate
+ * command.
+ *
+ * If the deauthenticated MAC matches the current BSS MAC, the connection
+ * state is reset.
+ */
+static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
+					     struct host_cmd_ds_command *resp)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+
+	adapter->dbg.num_cmd_deauth++;
+	if (!memcmp(resp->params.deauth.mac_addr,
+		    &priv->curr_bss_params.bss_descriptor.mac_address,
+		    sizeof(resp->params.deauth.mac_addr)))
+		mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of ad-hoc stop.
+ *
+ * The function resets the connection state in driver.
+ */
+static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
+					  struct host_cmd_ds_command *resp)
+{
+	mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING);
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get v1 key material.
+ *
+ * Handling includes updating the driver parameters to reflect the
+ * changes.
+ */
+static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
+					      struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11_key_material *key =
+						&resp->params.key_material;
+
+	if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
+		if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
+			dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
+			priv->wpa_is_gtk_set = true;
+			priv->scan_block = false;
+		}
+	}
+
+	memset(priv->aes_key.key_param_set.key, 0,
+	       sizeof(key->key_param_set.key));
+	priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
+	memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
+	       le16_to_cpu(priv->aes_key.key_param_set.key_len));
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of set/get v2 key material.
+ *
+ * Handling includes updating the driver parameters to reflect the
+ * changes.
+ */
+static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
+					      struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11_key_material_v2 *key_v2;
+	__le16 len;
+
+	key_v2 = &resp->params.key_material_v2;
+	if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
+		if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
+			dev_dbg(priv->adapter->dev, "info: key: GTK is set\n");
+			priv->wpa_is_gtk_set = true;
+			priv->scan_block = false;
+		}
+	}
+
+	if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
+		return 0;
+
+	memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
+	       WLAN_KEY_LEN_CCMP);
+	priv->aes_key_v2.key_param_set.key_params.aes.key_len =
+				key_v2->key_param_set.key_params.aes.key_len;
+	len = priv->aes_key_v2.key_param_set.key_params.aes.key_len;
+	memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
+	       key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len));
+
+	return 0;
+}
+
+/* Wrapper function for processing response of key material command */
+static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
+					   struct host_cmd_ds_command *resp)
+{
+	if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
+		return mwifiex_ret_802_11_key_material_v2(priv, resp);
+	else
+		return mwifiex_ret_802_11_key_material_v1(priv, resp);
+}
+
+/*
+ * This function handles the command response of get 11d domain information.
+ */
+static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
+					   struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
+		&resp->params.domain_info_resp;
+	struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
+	u16 action = le16_to_cpu(domain_info->action);
+	u8 no_of_triplet;
+
+	no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
+				- IEEE80211_COUNTRY_STRING_LEN)
+			      / sizeof(struct ieee80211_country_ie_triplet));
+
+	dev_dbg(priv->adapter->dev,
+		"info: 11D Domain Info Resp: no_of_triplet=%d\n",
+		no_of_triplet);
+
+	if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
+		dev_warn(priv->adapter->dev,
+			 "11D: invalid number of triplets %d returned\n",
+			 no_of_triplet);
+		return -1;
+	}
+
+	switch (action) {
+	case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
+		break;
+	case HostCmd_ACT_GEN_GET:
+		break;
+	default:
+		dev_err(priv->adapter->dev,
+			"11D: invalid action:%d\n", domain_info->action);
+		return -1;
+	}
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of get extended version.
+ *
+ * Handling includes forming the extended version string and sending it
+ * to application.
+ */
+static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
+			       struct host_cmd_ds_command *resp,
+			       struct host_cmd_ds_version_ext *version_ext)
+{
+	struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
+
+	if (version_ext) {
+		version_ext->version_str_sel = ver_ext->version_str_sel;
+		memcpy(version_ext->version_str, ver_ext->version_str,
+		       sizeof(char) * 128);
+		memcpy(priv->version_str, ver_ext->version_str, 128);
+	}
+	return 0;
+}
+
+/*
+ * This function handles the command response of remain on channel.
+ */
+static int
+mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
+			   struct host_cmd_ds_command *resp,
+			   struct host_cmd_ds_remain_on_chan *roc_cfg)
+{
+	struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
+
+	if (roc_cfg)
+		memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of P2P mode cfg.
+ */
+static int
+mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
+			 struct host_cmd_ds_command *resp,
+			 void *data_buf)
+{
+	struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
+
+	if (data_buf)
+		*((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
+
+	return 0;
+}
+
+/*
+ * This function handles the command response of register access.
+ *
+ * The register value and offset are returned to the user. For EEPROM
+ * access, the byte count is also returned.
+ */
+static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
+				  void *data_buf)
+{
+	struct mwifiex_ds_reg_rw *reg_rw;
+	struct mwifiex_ds_read_eeprom *eeprom;
+	union reg {
+		struct host_cmd_ds_mac_reg_access *mac;
+		struct host_cmd_ds_bbp_reg_access *bbp;
+		struct host_cmd_ds_rf_reg_access *rf;
+		struct host_cmd_ds_pmic_reg_access *pmic;
+		struct host_cmd_ds_802_11_eeprom_access *eeprom;
+	} r;
+
+	if (!data_buf)
+		return 0;
+
+	reg_rw = data_buf;
+	eeprom = data_buf;
+	switch (type) {
+	case HostCmd_CMD_MAC_REG_ACCESS:
+		r.mac = &resp->params.mac_reg;
+		reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.mac->offset));
+		reg_rw->value = r.mac->value;
+		break;
+	case HostCmd_CMD_BBP_REG_ACCESS:
+		r.bbp = &resp->params.bbp_reg;
+		reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.bbp->offset));
+		reg_rw->value = cpu_to_le32((u32) r.bbp->value);
+		break;
+
+	case HostCmd_CMD_RF_REG_ACCESS:
+		r.rf = &resp->params.rf_reg;
+		reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
+		reg_rw->value = cpu_to_le32((u32) r.bbp->value);
+		break;
+	case HostCmd_CMD_PMIC_REG_ACCESS:
+		r.pmic = &resp->params.pmic_reg;
+		reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.pmic->offset));
+		reg_rw->value = cpu_to_le32((u32) r.pmic->value);
+		break;
+	case HostCmd_CMD_CAU_REG_ACCESS:
+		r.rf = &resp->params.rf_reg;
+		reg_rw->offset = cpu_to_le32((u32) le16_to_cpu(r.rf->offset));
+		reg_rw->value = cpu_to_le32((u32) r.rf->value);
+		break;
+	case HostCmd_CMD_802_11_EEPROM_ACCESS:
+		r.eeprom = &resp->params.eeprom;
+		pr_debug("info: EEPROM read len=%x\n", r.eeprom->byte_count);
+		if (le16_to_cpu(eeprom->byte_count) <
+		    le16_to_cpu(r.eeprom->byte_count)) {
+			eeprom->byte_count = cpu_to_le16(0);
+			pr_debug("info: EEPROM read length is too big\n");
+			return -1;
+		}
+		eeprom->offset = r.eeprom->offset;
+		eeprom->byte_count = r.eeprom->byte_count;
+		if (le16_to_cpu(eeprom->byte_count) > 0)
+			memcpy(&eeprom->value, &r.eeprom->value,
+			       le16_to_cpu(r.eeprom->byte_count));
+
+		break;
+	default:
+		return -1;
+	}
+	return 0;
+}
+
+/*
+ * This function handles the command response of get IBSS coalescing status.
+ *
+ * If the received BSSID is different than the current one, the current BSSID,
+ * beacon interval, ATIM window and ERP information are updated, along with
+ * changing the ad-hoc state accordingly.
+ */
+static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
+					      struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
+					&(resp->params.ibss_coalescing);
+
+	if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
+		return 0;
+
+	dev_dbg(priv->adapter->dev,
+		"info: new BSSID %pM\n", ibss_coal_resp->bssid);
+
+	/* If rsp has NULL BSSID, Just return..... No Action */
+	if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
+		dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
+		return 0;
+	}
+
+	/* If BSSID is diff, modify current BSS parameters */
+	if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
+		/* BSSID */
+		memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
+		       ibss_coal_resp->bssid, ETH_ALEN);
+
+		/* Beacon Interval */
+		priv->curr_bss_params.bss_descriptor.beacon_period
+			= le16_to_cpu(ibss_coal_resp->beacon_interval);
+
+		/* ERP Information */
+		priv->curr_bss_params.bss_descriptor.erp_flags =
+			(u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
+
+		priv->adhoc_state = ADHOC_COALESCED;
+	}
+
+	return 0;
+}
+static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
+				 struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
+	u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
+	u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
+	struct mwifiex_sta_node *node =
+			   mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
+
+	switch (action) {
+	case ACT_TDLS_DELETE:
+		if (reason) {
+			if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
+				dev_dbg(priv->adapter->dev,
+					"TDLS link delete for %pM failed: reason %d\n",
+					cmd_tdls_oper->peer_mac, reason);
+			else
+				dev_err(priv->adapter->dev,
+					"TDLS link delete for %pM failed: reason %d\n",
+					cmd_tdls_oper->peer_mac, reason);
+		} else {
+			dev_dbg(priv->adapter->dev,
+				"TDLS link delete for %pM successful\n",
+				cmd_tdls_oper->peer_mac);
+		}
+		break;
+	case ACT_TDLS_CREATE:
+		if (reason) {
+			dev_err(priv->adapter->dev,
+				"TDLS link creation for %pM failed: reason %d",
+				cmd_tdls_oper->peer_mac, reason);
+			if (node && reason != TDLS_ERR_LINK_EXISTS)
+				node->tdls_status = TDLS_SETUP_FAILURE;
+		} else {
+			dev_dbg(priv->adapter->dev,
+				"TDLS link creation for %pM successful",
+				cmd_tdls_oper->peer_mac);
+		}
+		break;
+	case ACT_TDLS_CONFIG:
+		if (reason) {
+			dev_err(priv->adapter->dev,
+				"TDLS link config for %pM failed, reason %d\n",
+				cmd_tdls_oper->peer_mac, reason);
+			if (node)
+				node->tdls_status = TDLS_SETUP_FAILURE;
+		} else {
+			dev_dbg(priv->adapter->dev,
+				"TDLS link config for %pM successful\n",
+				cmd_tdls_oper->peer_mac);
+		}
+		break;
+	default:
+		dev_err(priv->adapter->dev,
+			"Unknown TDLS command action response %d", action);
+		return -1;
+	}
+
+	return 0;
+}
+/*
+ * This function handles the command response for subscribe event command.
+ */
+static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
+				 struct host_cmd_ds_command *resp)
+{
+	struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
+		&resp->params.subsc_evt;
+
+	/* For every subscribe event command (Get/Set/Clear), FW reports the
+	 * current set of subscribed events*/
+	dev_dbg(priv->adapter->dev, "Bitmap of currently subscribed events: %16x\n",
+		le16_to_cpu(cmd_sub_event->events));
+
+	return 0;
+}
+
+/* This function handles the command response of set_cfg_data */
+static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
+				struct host_cmd_ds_command *resp)
+{
+	if (resp->result != HostCmd_RESULT_OK) {
+		dev_err(priv->adapter->dev, "Cal data cmd resp failed\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+/** This Function handles the command response of sdio rx aggr */
+static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
+					struct host_cmd_ds_command *resp)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
+				&resp->params.sdio_rx_aggr_cfg;
+
+	adapter->sdio_rx_aggr_enable = cfg->enable;
+	adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
+
+	return 0;
+}
+
+/*
+ * This function handles the command responses.
+ *
+ * This is a generic function, which calls command specific
+ * response handlers based on the command ID.
+ */
+int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
+				struct host_cmd_ds_command *resp)
+{
+	int ret = 0;
+	struct mwifiex_adapter *adapter = priv->adapter;
+	void *data_buf = adapter->curr_cmd->data_buf;
+
+	/* If the command is not successful, cleanup and return failure */
+	if (resp->result != HostCmd_RESULT_OK) {
+		mwifiex_process_cmdresp_error(priv, resp);
+		return -1;
+	}
+	/* Command successful, handle response */
+	switch (cmdresp_no) {
+	case HostCmd_CMD_GET_HW_SPEC:
+		ret = mwifiex_ret_get_hw_spec(priv, resp);
+		break;
+	case HostCmd_CMD_CFG_DATA:
+		ret = mwifiex_ret_cfg_data(priv, resp);
+		break;
+	case HostCmd_CMD_MAC_CONTROL:
+		break;
+	case HostCmd_CMD_802_11_MAC_ADDRESS:
+		ret = mwifiex_ret_802_11_mac_address(priv, resp);
+		break;
+	case HostCmd_CMD_MAC_MULTICAST_ADR:
+		ret = mwifiex_ret_mac_multicast_adr(priv, resp);
+		break;
+	case HostCmd_CMD_TX_RATE_CFG:
+		ret = mwifiex_ret_tx_rate_cfg(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_SCAN:
+		ret = mwifiex_ret_802_11_scan(priv, resp);
+		adapter->curr_cmd->wait_q_enabled = false;
+		break;
+	case HostCmd_CMD_802_11_SCAN_EXT:
+		ret = mwifiex_ret_802_11_scan_ext(priv, resp);
+		adapter->curr_cmd->wait_q_enabled = false;
+		break;
+	case HostCmd_CMD_802_11_BG_SCAN_QUERY:
+		ret = mwifiex_ret_802_11_scan(priv, resp);
+		dev_dbg(adapter->dev,
+			"info: CMD_RESP: BG_SCAN result is ready!\n");
+		break;
+	case HostCmd_CMD_TXPWR_CFG:
+		ret = mwifiex_ret_tx_power_cfg(priv, resp);
+		break;
+	case HostCmd_CMD_RF_TX_PWR:
+		ret = mwifiex_ret_rf_tx_power(priv, resp);
+		break;
+	case HostCmd_CMD_RF_ANTENNA:
+		ret = mwifiex_ret_rf_antenna(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_PS_MODE_ENH:
+		ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
+		break;
+	case HostCmd_CMD_802_11_HS_CFG_ENH:
+		ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_ASSOCIATE:
+		ret = mwifiex_ret_802_11_associate(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_DEAUTHENTICATE:
+		ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_AD_HOC_START:
+	case HostCmd_CMD_802_11_AD_HOC_JOIN:
+		ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_AD_HOC_STOP:
+		ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_GET_LOG:
+		ret = mwifiex_ret_get_log(priv, resp, data_buf);
+		break;
+	case HostCmd_CMD_RSSI_INFO:
+		ret = mwifiex_ret_802_11_rssi_info(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_SNMP_MIB:
+		ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
+		break;
+	case HostCmd_CMD_802_11_TX_RATE_QUERY:
+		ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
+		break;
+	case HostCmd_CMD_VERSION_EXT:
+		ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
+		break;
+	case HostCmd_CMD_REMAIN_ON_CHAN:
+		ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
+		break;
+	case HostCmd_CMD_11AC_CFG:
+		break;
+	case HostCmd_CMD_P2P_MODE_CFG:
+		ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
+		break;
+	case HostCmd_CMD_MGMT_FRAME_REG:
+	case HostCmd_CMD_FUNC_INIT:
+	case HostCmd_CMD_FUNC_SHUTDOWN:
+		break;
+	case HostCmd_CMD_802_11_KEY_MATERIAL:
+		ret = mwifiex_ret_802_11_key_material(priv, resp);
+		break;
+	case HostCmd_CMD_802_11D_DOMAIN_INFO:
+		ret = mwifiex_ret_802_11d_domain_info(priv, resp);
+		break;
+	case HostCmd_CMD_11N_ADDBA_REQ:
+		ret = mwifiex_ret_11n_addba_req(priv, resp);
+		break;
+	case HostCmd_CMD_11N_DELBA:
+		ret = mwifiex_ret_11n_delba(priv, resp);
+		break;
+	case HostCmd_CMD_11N_ADDBA_RSP:
+		ret = mwifiex_ret_11n_addba_resp(priv, resp);
+		break;
+	case HostCmd_CMD_RECONFIGURE_TX_BUFF:
+		adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
+							     tx_buf.buff_size);
+		adapter->tx_buf_size = (adapter->tx_buf_size
+					/ MWIFIEX_SDIO_BLOCK_SIZE)
+				       * MWIFIEX_SDIO_BLOCK_SIZE;
+		adapter->curr_tx_buf_size = adapter->tx_buf_size;
+		dev_dbg(adapter->dev, "cmd: curr_tx_buf_size=%d\n",
+			adapter->curr_tx_buf_size);
+
+		if (adapter->if_ops.update_mp_end_port)
+			adapter->if_ops.update_mp_end_port(adapter,
+				le16_to_cpu(resp->params.tx_buf.mp_end_port));
+		break;
+	case HostCmd_CMD_AMSDU_AGGR_CTRL:
+		break;
+	case HostCmd_CMD_WMM_GET_STATUS:
+		ret = mwifiex_ret_wmm_get_status(priv, resp);
+		break;
+	case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
+		ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
+		break;
+	case HostCmd_CMD_MAC_REG_ACCESS:
+	case HostCmd_CMD_BBP_REG_ACCESS:
+	case HostCmd_CMD_RF_REG_ACCESS:
+	case HostCmd_CMD_PMIC_REG_ACCESS:
+	case HostCmd_CMD_CAU_REG_ACCESS:
+	case HostCmd_CMD_802_11_EEPROM_ACCESS:
+		ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
+		break;
+	case HostCmd_CMD_SET_BSS_MODE:
+		break;
+	case HostCmd_CMD_11N_CFG:
+		break;
+	case HostCmd_CMD_PCIE_DESC_DETAILS:
+		break;
+	case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
+		ret = mwifiex_ret_subsc_evt(priv, resp);
+		break;
+	case HostCmd_CMD_UAP_SYS_CONFIG:
+		break;
+	case HostCmd_CMD_UAP_BSS_START:
+		adapter->tx_lock_flag = false;
+		adapter->pps_uapsd_mode = false;
+		adapter->delay_null_pkt = false;
+		priv->bss_started = 1;
+		break;
+	case HostCmd_CMD_UAP_BSS_STOP:
+		priv->bss_started = 0;
+		break;
+	case HostCmd_CMD_UAP_STA_DEAUTH:
+		break;
+	case HostCmd_CMD_MEF_CFG:
+		break;
+	case HostCmd_CMD_COALESCE_CFG:
+		break;
+	case HostCmd_CMD_TDLS_OPER:
+		ret = mwifiex_ret_tdls_oper(priv, resp);
+		break;
+	case HostCmd_CMD_CHAN_REPORT_REQUEST:
+		break;
+	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
+		ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
+		break;
+	default:
+		dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n",
+			resp->command);
+		break;
+	}
+
+	return ret;
+}