Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2431 insertions, 0 deletions

diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmd.c b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
new file mode 100644
index 000000000..e2800a831
--- /dev/null
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmd.c
@@ -0,0 +1,2431 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * NXP Wireless LAN device driver: station command handling
+ *
+ * Copyright 2011-2020 NXP
+ */
+
+#include "decl.h"
+#include "ioctl.h"
+#include "util.h"
+#include "fw.h"
+#include "main.h"
+#include "wmm.h"
+#include "11n.h"
+#include "11ac.h"
+
+static bool drcs;
+module_param(drcs, bool, 0644);
+MODULE_PARM_DESC(drcs, "multi-channel operation:1, single-channel operation:0");
+
+static bool disable_auto_ds;
+module_param(disable_auto_ds, bool, 0);
+MODULE_PARM_DESC(disable_auto_ds,
+		 "deepsleep enabled=0(default), deepsleep disabled=1");
+/*
+ * This function prepares command to set/get RSSI information.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting data/beacon average factors
+ *      - Resetting SNR/NF/RSSI values in private structure
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_rssi_info(struct mwifiex_private *priv,
+			     struct host_cmd_ds_command *cmd, u16 cmd_action)
+{
+	cmd->command = cpu_to_le16(HostCmd_CMD_RSSI_INFO);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_rssi_info) +
+				S_DS_GEN);
+	cmd->params.rssi_info.action = cpu_to_le16(cmd_action);
+	cmd->params.rssi_info.ndata = cpu_to_le16(priv->data_avg_factor);
+	cmd->params.rssi_info.nbcn = cpu_to_le16(priv->bcn_avg_factor);
+
+	/* Reset SNR/NF/RSSI values in private structure */
+	priv->data_rssi_last = 0;
+	priv->data_nf_last = 0;
+	priv->data_rssi_avg = 0;
+	priv->data_nf_avg = 0;
+	priv->bcn_rssi_last = 0;
+	priv->bcn_nf_last = 0;
+	priv->bcn_rssi_avg = 0;
+	priv->bcn_nf_avg = 0;
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set MAC control.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_mac_control(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *cmd,
+				   u16 cmd_action, u32 *action)
+{
+	struct host_cmd_ds_mac_control *mac_ctrl = &cmd->params.mac_ctrl;
+
+	if (cmd_action != HostCmd_ACT_GEN_SET) {
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "mac_control: only support set cmd\n");
+		return -1;
+	}
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_MAC_CONTROL);
+	cmd->size =
+		cpu_to_le16(sizeof(struct host_cmd_ds_mac_control) + S_DS_GEN);
+	mac_ctrl->action = cpu_to_le32(*action);
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get SNMP MIB.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting SNMP MIB OID number and value
+ *        (as required)
+ *      - Ensuring correct endian-ness
+ *
+ * The following SNMP MIB OIDs are supported -
+ *      - FRAG_THRESH_I     : Fragmentation threshold
+ *      - RTS_THRESH_I      : RTS threshold
+ *      - SHORT_RETRY_LIM_I : Short retry limit
+ *      - DOT11D_I          : 11d support
+ */
+static int mwifiex_cmd_802_11_snmp_mib(struct mwifiex_private *priv,
+				       struct host_cmd_ds_command *cmd,
+				       u16 cmd_action, u32 cmd_oid,
+				       u16 *ul_temp)
+{
+	struct host_cmd_ds_802_11_snmp_mib *snmp_mib = &cmd->params.smib;
+
+	mwifiex_dbg(priv->adapter, CMD,
+		    "cmd: SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SNMP_MIB);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_snmp_mib)
+				- 1 + S_DS_GEN);
+
+	snmp_mib->oid = cpu_to_le16((u16)cmd_oid);
+	if (cmd_action == HostCmd_ACT_GEN_GET) {
+		snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_GET);
+		snmp_mib->buf_size = cpu_to_le16(MAX_SNMP_BUF_SIZE);
+		le16_unaligned_add_cpu(&cmd->size, MAX_SNMP_BUF_SIZE);
+	} else if (cmd_action == HostCmd_ACT_GEN_SET) {
+		snmp_mib->query_type = cpu_to_le16(HostCmd_ACT_GEN_SET);
+		snmp_mib->buf_size = cpu_to_le16(sizeof(u16));
+		put_unaligned_le16(*ul_temp, snmp_mib->value);
+		le16_unaligned_add_cpu(&cmd->size, sizeof(u16));
+	}
+
+	mwifiex_dbg(priv->adapter, CMD,
+		    "cmd: SNMP_CMD: Action=0x%x, OID=0x%x,\t"
+		    "OIDSize=0x%x, Value=0x%x\n",
+		    cmd_action, cmd_oid, le16_to_cpu(snmp_mib->buf_size),
+		    get_unaligned_le16(snmp_mib->value));
+	return 0;
+}
+
+/*
+ * This function prepares command to get log.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_get_log(struct host_cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_GET_LOG);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_get_log) +
+				S_DS_GEN);
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get Tx data rate configuration.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting configuration index, rate scope and rate drop pattern
+ *        parameters (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_tx_rate_cfg(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *cmd,
+				   u16 cmd_action, u16 *pbitmap_rates)
+{
+	struct host_cmd_ds_tx_rate_cfg *rate_cfg = &cmd->params.tx_rate_cfg;
+	struct mwifiex_rate_scope *rate_scope;
+	struct mwifiex_rate_drop_pattern *rate_drop;
+	u32 i;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_TX_RATE_CFG);
+
+	rate_cfg->action = cpu_to_le16(cmd_action);
+	rate_cfg->cfg_index = 0;
+
+	rate_scope = (struct mwifiex_rate_scope *) ((u8 *) rate_cfg +
+		      sizeof(struct host_cmd_ds_tx_rate_cfg));
+	rate_scope->type = cpu_to_le16(TLV_TYPE_RATE_SCOPE);
+	rate_scope->length = cpu_to_le16
+		(sizeof(*rate_scope) - sizeof(struct mwifiex_ie_types_header));
+	if (pbitmap_rates != NULL) {
+		rate_scope->hr_dsss_rate_bitmap = cpu_to_le16(pbitmap_rates[0]);
+		rate_scope->ofdm_rate_bitmap = cpu_to_le16(pbitmap_rates[1]);
+		for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++)
+			rate_scope->ht_mcs_rate_bitmap[i] =
+				cpu_to_le16(pbitmap_rates[2 + i]);
+		if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
+			for (i = 0;
+			     i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
+			     i++)
+				rate_scope->vht_mcs_rate_bitmap[i] =
+					cpu_to_le16(pbitmap_rates[10 + i]);
+		}
+	} else {
+		rate_scope->hr_dsss_rate_bitmap =
+			cpu_to_le16(priv->bitmap_rates[0]);
+		rate_scope->ofdm_rate_bitmap =
+			cpu_to_le16(priv->bitmap_rates[1]);
+		for (i = 0; i < ARRAY_SIZE(rate_scope->ht_mcs_rate_bitmap); i++)
+			rate_scope->ht_mcs_rate_bitmap[i] =
+				cpu_to_le16(priv->bitmap_rates[2 + i]);
+		if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
+			for (i = 0;
+			     i < ARRAY_SIZE(rate_scope->vht_mcs_rate_bitmap);
+			     i++)
+				rate_scope->vht_mcs_rate_bitmap[i] =
+					cpu_to_le16(priv->bitmap_rates[10 + i]);
+		}
+	}
+
+	rate_drop = (struct mwifiex_rate_drop_pattern *) ((u8 *) rate_scope +
+					     sizeof(struct mwifiex_rate_scope));
+	rate_drop->type = cpu_to_le16(TLV_TYPE_RATE_DROP_CONTROL);
+	rate_drop->length = cpu_to_le16(sizeof(rate_drop->rate_drop_mode));
+	rate_drop->rate_drop_mode = 0;
+
+	cmd->size =
+		cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_tx_rate_cfg) +
+			    sizeof(struct mwifiex_rate_scope) +
+			    sizeof(struct mwifiex_rate_drop_pattern));
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get Tx power configuration.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting Tx power mode, power group TLV
+ *        (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_tx_power_cfg(struct host_cmd_ds_command *cmd,
+				    u16 cmd_action,
+				    struct host_cmd_ds_txpwr_cfg *txp)
+{
+	struct mwifiex_types_power_group *pg_tlv;
+	struct host_cmd_ds_txpwr_cfg *cmd_txp_cfg = &cmd->params.txp_cfg;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_TXPWR_CFG);
+	cmd->size =
+		cpu_to_le16(S_DS_GEN + sizeof(struct host_cmd_ds_txpwr_cfg));
+	switch (cmd_action) {
+	case HostCmd_ACT_GEN_SET:
+		if (txp->mode) {
+			pg_tlv = (struct mwifiex_types_power_group
+				  *) ((unsigned long) txp +
+				     sizeof(struct host_cmd_ds_txpwr_cfg));
+			memmove(cmd_txp_cfg, txp,
+				sizeof(struct host_cmd_ds_txpwr_cfg) +
+				sizeof(struct mwifiex_types_power_group) +
+				le16_to_cpu(pg_tlv->length));
+
+			pg_tlv = (struct mwifiex_types_power_group *) ((u8 *)
+				  cmd_txp_cfg +
+				  sizeof(struct host_cmd_ds_txpwr_cfg));
+			cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) +
+				  sizeof(struct mwifiex_types_power_group) +
+				  le16_to_cpu(pg_tlv->length));
+		} else {
+			memmove(cmd_txp_cfg, txp, sizeof(*txp));
+		}
+		cmd_txp_cfg->action = cpu_to_le16(cmd_action);
+		break;
+	case HostCmd_ACT_GEN_GET:
+		cmd_txp_cfg->action = cpu_to_le16(cmd_action);
+		break;
+	}
+
+	return 0;
+}
+
+/*
+ * This function prepares command to get RF Tx power.
+ */
+static int mwifiex_cmd_rf_tx_power(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *cmd,
+				   u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_ds_rf_tx_pwr *txp = &cmd->params.txp;
+
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_rf_tx_pwr)
+				+ S_DS_GEN);
+	cmd->command = cpu_to_le16(HostCmd_CMD_RF_TX_PWR);
+	txp->action = cpu_to_le16(cmd_action);
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set rf antenna.
+ */
+static int mwifiex_cmd_rf_antenna(struct mwifiex_private *priv,
+				  struct host_cmd_ds_command *cmd,
+				  u16 cmd_action,
+				  struct mwifiex_ds_ant_cfg *ant_cfg)
+{
+	struct host_cmd_ds_rf_ant_mimo *ant_mimo = &cmd->params.ant_mimo;
+	struct host_cmd_ds_rf_ant_siso *ant_siso = &cmd->params.ant_siso;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_RF_ANTENNA);
+
+	switch (cmd_action) {
+	case HostCmd_ACT_GEN_SET:
+		if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
+			cmd->size = cpu_to_le16(sizeof(struct
+						host_cmd_ds_rf_ant_mimo)
+						+ S_DS_GEN);
+			ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_SET_TX);
+			ant_mimo->tx_ant_mode = cpu_to_le16((u16)ant_cfg->
+							    tx_ant);
+			ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_SET_RX);
+			ant_mimo->rx_ant_mode = cpu_to_le16((u16)ant_cfg->
+							    rx_ant);
+		} else {
+			cmd->size = cpu_to_le16(sizeof(struct
+						host_cmd_ds_rf_ant_siso) +
+						S_DS_GEN);
+			ant_siso->action = cpu_to_le16(HostCmd_ACT_SET_BOTH);
+			ant_siso->ant_mode = cpu_to_le16((u16)ant_cfg->tx_ant);
+		}
+		break;
+	case HostCmd_ACT_GEN_GET:
+		if (priv->adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
+			cmd->size = cpu_to_le16(sizeof(struct
+						host_cmd_ds_rf_ant_mimo) +
+						S_DS_GEN);
+			ant_mimo->action_tx = cpu_to_le16(HostCmd_ACT_GET_TX);
+			ant_mimo->action_rx = cpu_to_le16(HostCmd_ACT_GET_RX);
+		} else {
+			cmd->size = cpu_to_le16(sizeof(struct
+						host_cmd_ds_rf_ant_siso) +
+						S_DS_GEN);
+			ant_siso->action = cpu_to_le16(HostCmd_ACT_GET_BOTH);
+		}
+		break;
+	}
+	return 0;
+}
+
+/*
+ * This function prepares command to set Host Sleep configuration.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Setting Host Sleep action, conditions, ARP filters
+ *        (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_hs_cfg(struct mwifiex_private *priv,
+			  struct host_cmd_ds_command *cmd,
+			  u16 cmd_action,
+			  struct mwifiex_hs_config_param *hscfg_param)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	struct host_cmd_ds_802_11_hs_cfg_enh *hs_cfg = &cmd->params.opt_hs_cfg;
+	u8 *tlv = (u8 *)hs_cfg + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh);
+	struct mwifiex_ps_param_in_hs *psparam_tlv = NULL;
+	bool hs_activate = false;
+	u16 size;
+
+	if (!hscfg_param)
+		/* New Activate command */
+		hs_activate = true;
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_HS_CFG_ENH);
+
+	if (!hs_activate &&
+	    (hscfg_param->conditions != cpu_to_le32(HS_CFG_CANCEL)) &&
+	    ((adapter->arp_filter_size > 0) &&
+	     (adapter->arp_filter_size <= ARP_FILTER_MAX_BUF_SIZE))) {
+		mwifiex_dbg(adapter, CMD,
+			    "cmd: Attach %d bytes ArpFilter to HSCfg cmd\n",
+			    adapter->arp_filter_size);
+		memcpy(((u8 *) hs_cfg) +
+		       sizeof(struct host_cmd_ds_802_11_hs_cfg_enh),
+		       adapter->arp_filter, adapter->arp_filter_size);
+		size = adapter->arp_filter_size +
+			sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
+			+ S_DS_GEN;
+		tlv = (u8 *)hs_cfg
+			+ sizeof(struct host_cmd_ds_802_11_hs_cfg_enh)
+			+ adapter->arp_filter_size;
+	} else {
+		size = S_DS_GEN + sizeof(struct host_cmd_ds_802_11_hs_cfg_enh);
+	}
+	if (hs_activate) {
+		hs_cfg->action = cpu_to_le16(HS_ACTIVATE);
+		hs_cfg->params.hs_activate.resp_ctrl = cpu_to_le16(RESP_NEEDED);
+
+		adapter->hs_activated_manually = true;
+		mwifiex_dbg(priv->adapter, CMD,
+			    "cmd: Activating host sleep manually\n");
+	} else {
+		hs_cfg->action = cpu_to_le16(HS_CONFIGURE);
+		hs_cfg->params.hs_config.conditions = hscfg_param->conditions;
+		hs_cfg->params.hs_config.gpio = hscfg_param->gpio;
+		hs_cfg->params.hs_config.gap = hscfg_param->gap;
+
+		size += sizeof(struct mwifiex_ps_param_in_hs);
+		psparam_tlv = (struct mwifiex_ps_param_in_hs *)tlv;
+		psparam_tlv->header.type =
+			cpu_to_le16(TLV_TYPE_PS_PARAMS_IN_HS);
+		psparam_tlv->header.len =
+			cpu_to_le16(sizeof(struct mwifiex_ps_param_in_hs)
+				- sizeof(struct mwifiex_ie_types_header));
+		psparam_tlv->hs_wake_int = cpu_to_le32(HS_DEF_WAKE_INTERVAL);
+		psparam_tlv->hs_inact_timeout =
+			cpu_to_le32(HS_DEF_INACTIVITY_TIMEOUT);
+
+		mwifiex_dbg(adapter, CMD,
+			    "cmd: HS_CFG_CMD: condition:0x%x gpio:0x%x gap:0x%x\n",
+			    hs_cfg->params.hs_config.conditions,
+			    hs_cfg->params.hs_config.gpio,
+			    hs_cfg->params.hs_config.gap);
+	}
+	cmd->size = cpu_to_le16(size);
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get MAC address.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting MAC address (for SET only)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11_mac_address(struct mwifiex_private *priv,
+					  struct host_cmd_ds_command *cmd,
+					  u16 cmd_action)
+{
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_MAC_ADDRESS);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_mac_address) +
+				S_DS_GEN);
+	cmd->result = 0;
+
+	cmd->params.mac_addr.action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == HostCmd_ACT_GEN_SET)
+		memcpy(cmd->params.mac_addr.mac_addr, priv->curr_addr,
+		       ETH_ALEN);
+	return 0;
+}
+
+/*
+ * This function prepares command to set MAC multicast address.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting MAC multicast address
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_mac_multicast_adr(struct host_cmd_ds_command *cmd,
+			      u16 cmd_action,
+			      struct mwifiex_multicast_list *mcast_list)
+{
+	struct host_cmd_ds_mac_multicast_adr *mcast_addr = &cmd->params.mc_addr;
+
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mac_multicast_adr) +
+				S_DS_GEN);
+	cmd->command = cpu_to_le16(HostCmd_CMD_MAC_MULTICAST_ADR);
+
+	mcast_addr->action = cpu_to_le16(cmd_action);
+	mcast_addr->num_of_adrs =
+		cpu_to_le16((u16) mcast_list->num_multicast_addr);
+	memcpy(mcast_addr->mac_list, mcast_list->mac_list,
+	       mcast_list->num_multicast_addr * ETH_ALEN);
+
+	return 0;
+}
+
+/*
+ * This function prepares command to deauthenticate.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Setting AP MAC address and reason code
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11_deauthenticate(struct mwifiex_private *priv,
+					     struct host_cmd_ds_command *cmd,
+					     u8 *mac)
+{
+	struct host_cmd_ds_802_11_deauthenticate *deauth = &cmd->params.deauth;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_DEAUTHENTICATE);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_deauthenticate)
+				+ S_DS_GEN);
+
+	/* Set AP MAC address */
+	memcpy(deauth->mac_addr, mac, ETH_ALEN);
+
+	mwifiex_dbg(priv->adapter, CMD, "cmd: Deauth: %pM\n", deauth->mac_addr);
+
+	deauth->reason_code = cpu_to_le16(WLAN_REASON_DEAUTH_LEAVING);
+
+	return 0;
+}
+
+/*
+ * This function prepares command to stop Ad-Hoc network.
+ *
+ * Preparation includes -
+ *      - Setting command ID and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11_ad_hoc_stop(struct host_cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_AD_HOC_STOP);
+	cmd->size = cpu_to_le16(S_DS_GEN);
+	return 0;
+}
+
+/*
+ * This function sets WEP key(s) to key parameter TLV(s).
+ *
+ * Multi-key parameter TLVs are supported, so we can send multiple
+ * WEP keys in a single buffer.
+ */
+static int
+mwifiex_set_keyparamset_wep(struct mwifiex_private *priv,
+			    struct mwifiex_ie_type_key_param_set *key_param_set,
+			    u16 *key_param_len)
+{
+	int cur_key_param_len;
+	u8 i;
+
+	/* Multi-key_param_set TLV is supported */
+	for (i = 0; i < NUM_WEP_KEYS; i++) {
+		if ((priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP40) ||
+		    (priv->wep_key[i].key_length == WLAN_KEY_LEN_WEP104)) {
+			key_param_set->type =
+				cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+/* Key_param_set WEP fixed length */
+#define KEYPARAMSET_WEP_FIXED_LEN 8
+			key_param_set->length = cpu_to_le16((u16)
+					(priv->wep_key[i].
+					 key_length +
+					 KEYPARAMSET_WEP_FIXED_LEN));
+			key_param_set->key_type_id =
+				cpu_to_le16(KEY_TYPE_ID_WEP);
+			key_param_set->key_info =
+				cpu_to_le16(KEY_ENABLED | KEY_UNICAST |
+					    KEY_MCAST);
+			key_param_set->key_len =
+				cpu_to_le16(priv->wep_key[i].key_length);
+			/* Set WEP key index */
+			key_param_set->key[0] = i;
+			/* Set default Tx key flag */
+			if (i ==
+			    (priv->
+			     wep_key_curr_index & HostCmd_WEP_KEY_INDEX_MASK))
+				key_param_set->key[1] = 1;
+			else
+				key_param_set->key[1] = 0;
+			memmove(&key_param_set->key[2],
+				priv->wep_key[i].key_material,
+				priv->wep_key[i].key_length);
+
+			cur_key_param_len = priv->wep_key[i].key_length +
+				KEYPARAMSET_WEP_FIXED_LEN +
+				sizeof(struct mwifiex_ie_types_header);
+			*key_param_len += (u16) cur_key_param_len;
+			key_param_set =
+				(struct mwifiex_ie_type_key_param_set *)
+						((u8 *)key_param_set +
+						 cur_key_param_len);
+		} else if (!priv->wep_key[i].key_length) {
+			continue;
+		} else {
+			mwifiex_dbg(priv->adapter, ERROR,
+				    "key%d Length = %d is incorrect\n",
+				    (i + 1), priv->wep_key[i].key_length);
+			return -1;
+		}
+	}
+
+	return 0;
+}
+
+/* This function populates key material v2 command
+ * to set network key for AES & CMAC AES.
+ */
+static int mwifiex_set_aes_key_v2(struct mwifiex_private *priv,
+				  struct host_cmd_ds_command *cmd,
+				  struct mwifiex_ds_encrypt_key *enc_key,
+				  struct host_cmd_ds_802_11_key_material_v2 *km)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	u16 size, len = KEY_PARAMS_FIXED_LEN;
+
+	if (enc_key->is_igtk_key) {
+		mwifiex_dbg(adapter, INFO,
+			    "%s: Set CMAC AES Key\n", __func__);
+		if (enc_key->is_rx_seq_valid)
+			memcpy(km->key_param_set.key_params.cmac_aes.ipn,
+			       enc_key->pn, enc_key->pn_len);
+		km->key_param_set.key_info &= cpu_to_le16(~KEY_MCAST);
+		km->key_param_set.key_info |= cpu_to_le16(KEY_IGTK);
+		km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC;
+		km->key_param_set.key_params.cmac_aes.key_len =
+					  cpu_to_le16(enc_key->key_len);
+		memcpy(km->key_param_set.key_params.cmac_aes.key,
+		       enc_key->key_material, enc_key->key_len);
+		len += sizeof(struct mwifiex_cmac_aes_param);
+	} else if (enc_key->is_igtk_def_key) {
+		mwifiex_dbg(adapter, INFO,
+			    "%s: Set CMAC default Key index\n", __func__);
+		km->key_param_set.key_type = KEY_TYPE_ID_AES_CMAC_DEF;
+		km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
+	} else {
+		mwifiex_dbg(adapter, INFO,
+			    "%s: Set AES Key\n", __func__);
+		if (enc_key->is_rx_seq_valid)
+			memcpy(km->key_param_set.key_params.aes.pn,
+			       enc_key->pn, enc_key->pn_len);
+		km->key_param_set.key_type = KEY_TYPE_ID_AES;
+		km->key_param_set.key_params.aes.key_len =
+					  cpu_to_le16(enc_key->key_len);
+		memcpy(km->key_param_set.key_params.aes.key,
+		       enc_key->key_material, enc_key->key_len);
+		len += sizeof(struct mwifiex_aes_param);
+	}
+
+	km->key_param_set.len = cpu_to_le16(len);
+	size = len + sizeof(struct mwifiex_ie_types_header) +
+	       sizeof(km->action) + S_DS_GEN;
+	cmd->size = cpu_to_le16(size);
+
+	return 0;
+}
+
+/* This function prepares command to set/get/reset network key(s).
+ * This function prepares key material command for V2 format.
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting WEP keys, WAPI keys or WPA keys along with required
+ *        encryption (TKIP, AES) (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_key_material_v2(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *cmd,
+				   u16 cmd_action, u32 cmd_oid,
+				   struct mwifiex_ds_encrypt_key *enc_key)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	u8 *mac = enc_key->mac_addr;
+	u16 key_info, len = KEY_PARAMS_FIXED_LEN;
+	struct host_cmd_ds_802_11_key_material_v2 *km =
+						&cmd->params.key_material_v2;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
+	km->action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == HostCmd_ACT_GEN_GET) {
+		mwifiex_dbg(adapter, INFO, "%s: Get key\n", __func__);
+		km->key_param_set.key_idx =
+					enc_key->key_index & KEY_INDEX_MASK;
+		km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
+		km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
+		memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
+
+		if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+			key_info = KEY_UNICAST;
+		else
+			key_info = KEY_MCAST;
+
+		if (enc_key->is_igtk_key)
+			key_info |= KEY_IGTK;
+
+		km->key_param_set.key_info = cpu_to_le16(key_info);
+
+		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+					S_DS_GEN + KEY_PARAMS_FIXED_LEN +
+					sizeof(km->action));
+		return 0;
+	}
+
+	memset(&km->key_param_set, 0,
+	       sizeof(struct mwifiex_ie_type_key_param_set_v2));
+
+	if (enc_key->key_disable) {
+		mwifiex_dbg(adapter, INFO, "%s: Remove key\n", __func__);
+		km->action = cpu_to_le16(HostCmd_ACT_GEN_REMOVE);
+		km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
+		km->key_param_set.len = cpu_to_le16(KEY_PARAMS_FIXED_LEN);
+		km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
+		key_info = KEY_MCAST | KEY_UNICAST;
+		km->key_param_set.key_info = cpu_to_le16(key_info);
+		memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
+		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+					S_DS_GEN + KEY_PARAMS_FIXED_LEN +
+					sizeof(km->action));
+		return 0;
+	}
+
+	km->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
+	km->key_param_set.key_idx = enc_key->key_index & KEY_INDEX_MASK;
+	km->key_param_set.type = cpu_to_le16(TLV_TYPE_KEY_PARAM_V2);
+	key_info = KEY_ENABLED;
+	memcpy(km->key_param_set.mac_addr, mac, ETH_ALEN);
+
+	if (enc_key->key_len <= WLAN_KEY_LEN_WEP104) {
+		mwifiex_dbg(adapter, INFO, "%s: Set WEP Key\n", __func__);
+		len += sizeof(struct mwifiex_wep_param);
+		km->key_param_set.len = cpu_to_le16(len);
+		km->key_param_set.key_type = KEY_TYPE_ID_WEP;
+
+		if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
+				key_info |= KEY_MCAST | KEY_UNICAST;
+		} else {
+			if (enc_key->is_current_wep_key) {
+				key_info |= KEY_MCAST | KEY_UNICAST;
+				if (km->key_param_set.key_idx ==
+				    (priv->wep_key_curr_index & KEY_INDEX_MASK))
+					key_info |= KEY_DEFAULT;
+			} else {
+				if (is_broadcast_ether_addr(mac))
+					key_info |= KEY_MCAST;
+				else
+					key_info |= KEY_UNICAST | KEY_DEFAULT;
+			}
+		}
+		km->key_param_set.key_info = cpu_to_le16(key_info);
+
+		km->key_param_set.key_params.wep.key_len =
+						  cpu_to_le16(enc_key->key_len);
+		memcpy(km->key_param_set.key_params.wep.key,
+		       enc_key->key_material, enc_key->key_len);
+
+		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+					len + sizeof(km->action) + S_DS_GEN);
+		return 0;
+	}
+
+	if (is_broadcast_ether_addr(mac))
+		key_info |= KEY_MCAST | KEY_RX_KEY;
+	else
+		key_info |= KEY_UNICAST | KEY_TX_KEY | KEY_RX_KEY;
+
+	if (enc_key->is_wapi_key) {
+		mwifiex_dbg(adapter, INFO, "%s: Set WAPI Key\n", __func__);
+		km->key_param_set.key_type = KEY_TYPE_ID_WAPI;
+		memcpy(km->key_param_set.key_params.wapi.pn, enc_key->pn,
+		       PN_LEN);
+		km->key_param_set.key_params.wapi.key_len =
+						cpu_to_le16(enc_key->key_len);
+		memcpy(km->key_param_set.key_params.wapi.key,
+		       enc_key->key_material, enc_key->key_len);
+		if (is_broadcast_ether_addr(mac))
+			priv->sec_info.wapi_key_on = true;
+
+		if (!priv->sec_info.wapi_key_on)
+			key_info |= KEY_DEFAULT;
+		km->key_param_set.key_info = cpu_to_le16(key_info);
+
+		len += sizeof(struct mwifiex_wapi_param);
+		km->key_param_set.len = cpu_to_le16(len);
+		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+					len + sizeof(km->action) + S_DS_GEN);
+		return 0;
+	}
+
+	if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
+		key_info |= KEY_DEFAULT;
+		/* Enable unicast bit for WPA-NONE/ADHOC_AES */
+		if (!priv->sec_info.wpa2_enabled &&
+		    !is_broadcast_ether_addr(mac))
+			key_info |= KEY_UNICAST;
+	} else {
+		/* Enable default key for WPA/WPA2 */
+		if (!priv->wpa_is_gtk_set)
+			key_info |= KEY_DEFAULT;
+	}
+
+	km->key_param_set.key_info = cpu_to_le16(key_info);
+
+	if (enc_key->key_len == WLAN_KEY_LEN_CCMP)
+		return mwifiex_set_aes_key_v2(priv, cmd, enc_key, km);
+
+	if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
+		mwifiex_dbg(adapter, INFO,
+			    "%s: Set TKIP Key\n", __func__);
+		if (enc_key->is_rx_seq_valid)
+			memcpy(km->key_param_set.key_params.tkip.pn,
+			       enc_key->pn, enc_key->pn_len);
+		km->key_param_set.key_type = KEY_TYPE_ID_TKIP;
+		km->key_param_set.key_params.tkip.key_len =
+						cpu_to_le16(enc_key->key_len);
+		memcpy(km->key_param_set.key_params.tkip.key,
+		       enc_key->key_material, enc_key->key_len);
+
+		len += sizeof(struct mwifiex_tkip_param);
+		km->key_param_set.len = cpu_to_le16(len);
+		cmd->size = cpu_to_le16(sizeof(struct mwifiex_ie_types_header) +
+					len + sizeof(km->action) + S_DS_GEN);
+	}
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get/reset network key(s).
+ * This function prepares key material command for V1 format.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting WEP keys, WAPI keys or WPA keys along with required
+ *        encryption (TKIP, AES) (as required)
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_802_11_key_material_v1(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *cmd,
+				   u16 cmd_action, u32 cmd_oid,
+				   struct mwifiex_ds_encrypt_key *enc_key)
+{
+	struct host_cmd_ds_802_11_key_material *key_material =
+		&cmd->params.key_material;
+	struct host_cmd_tlv_mac_addr *tlv_mac;
+	u16 key_param_len = 0, cmd_size;
+	int ret = 0;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_KEY_MATERIAL);
+	key_material->action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == HostCmd_ACT_GEN_GET) {
+		cmd->size =
+			cpu_to_le16(sizeof(key_material->action) + S_DS_GEN);
+		return ret;
+	}
+
+	if (!enc_key) {
+		struct host_cmd_ds_802_11_key_material_wep *key_material_wep =
+			(struct host_cmd_ds_802_11_key_material_wep *)key_material;
+		memset(key_material_wep->key_param_set, 0,
+		       sizeof(key_material_wep->key_param_set));
+		ret = mwifiex_set_keyparamset_wep(priv,
+						  &key_material_wep->key_param_set[0],
+						  &key_param_len);
+		cmd->size = cpu_to_le16(key_param_len +
+				    sizeof(key_material_wep->action) + S_DS_GEN);
+		return ret;
+	} else
+		memset(&key_material->key_param_set, 0,
+		       sizeof(struct mwifiex_ie_type_key_param_set));
+	if (enc_key->is_wapi_key) {
+		struct mwifiex_ie_type_key_param_set *set;
+
+		mwifiex_dbg(priv->adapter, INFO, "info: Set WAPI Key\n");
+		set = &key_material->key_param_set;
+		set->key_type_id = cpu_to_le16(KEY_TYPE_ID_WAPI);
+		if (cmd_oid == KEY_INFO_ENABLED)
+			set->key_info = cpu_to_le16(KEY_ENABLED);
+		else
+			set->key_info = cpu_to_le16(!KEY_ENABLED);
+
+		set->key[0] = enc_key->key_index;
+		if (!priv->sec_info.wapi_key_on)
+			set->key[1] = 1;
+		else
+			/* set 0 when re-key */
+			set->key[1] = 0;
+
+		if (!is_broadcast_ether_addr(enc_key->mac_addr)) {
+			/* WAPI pairwise key: unicast */
+			set->key_info |= cpu_to_le16(KEY_UNICAST);
+		} else {	/* WAPI group key: multicast */
+			set->key_info |= cpu_to_le16(KEY_MCAST);
+			priv->sec_info.wapi_key_on = true;
+		}
+
+		set->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+		set->key_len = cpu_to_le16(WAPI_KEY_LEN);
+		memcpy(&set->key[2], enc_key->key_material, enc_key->key_len);
+		memcpy(&set->key[2 + enc_key->key_len], enc_key->pn, PN_LEN);
+		set->length = cpu_to_le16(WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN);
+
+		key_param_len = (WAPI_KEY_LEN + KEYPARAMSET_FIXED_LEN) +
+				 sizeof(struct mwifiex_ie_types_header);
+		cmd->size = cpu_to_le16(sizeof(key_material->action)
+					+ S_DS_GEN +  key_param_len);
+		return ret;
+	}
+	if (enc_key->key_len == WLAN_KEY_LEN_CCMP) {
+		if (enc_key->is_igtk_key) {
+			mwifiex_dbg(priv->adapter, CMD, "cmd: CMAC_AES\n");
+			key_material->key_param_set.key_type_id =
+					cpu_to_le16(KEY_TYPE_ID_AES_CMAC);
+			if (cmd_oid == KEY_INFO_ENABLED)
+				key_material->key_param_set.key_info =
+						cpu_to_le16(KEY_ENABLED);
+			else
+				key_material->key_param_set.key_info =
+						cpu_to_le16(!KEY_ENABLED);
+
+			key_material->key_param_set.key_info |=
+							cpu_to_le16(KEY_IGTK);
+		} else {
+			mwifiex_dbg(priv->adapter, CMD, "cmd: WPA_AES\n");
+			key_material->key_param_set.key_type_id =
+						cpu_to_le16(KEY_TYPE_ID_AES);
+			if (cmd_oid == KEY_INFO_ENABLED)
+				key_material->key_param_set.key_info =
+						cpu_to_le16(KEY_ENABLED);
+			else
+				key_material->key_param_set.key_info =
+						cpu_to_le16(!KEY_ENABLED);
+
+			if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+				/* AES pairwise key: unicast */
+				key_material->key_param_set.key_info |=
+						cpu_to_le16(KEY_UNICAST);
+			else	/* AES group key: multicast */
+				key_material->key_param_set.key_info |=
+							cpu_to_le16(KEY_MCAST);
+		}
+	} else if (enc_key->key_len == WLAN_KEY_LEN_TKIP) {
+		mwifiex_dbg(priv->adapter, CMD, "cmd: WPA_TKIP\n");
+		key_material->key_param_set.key_type_id =
+						cpu_to_le16(KEY_TYPE_ID_TKIP);
+		key_material->key_param_set.key_info =
+						cpu_to_le16(KEY_ENABLED);
+
+		if (enc_key->key_index & MWIFIEX_KEY_INDEX_UNICAST)
+				/* TKIP pairwise key: unicast */
+			key_material->key_param_set.key_info |=
+						cpu_to_le16(KEY_UNICAST);
+		else		/* TKIP group key: multicast */
+			key_material->key_param_set.key_info |=
+							cpu_to_le16(KEY_MCAST);
+	}
+
+	if (key_material->key_param_set.key_type_id) {
+		key_material->key_param_set.type =
+					cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+		key_material->key_param_set.key_len =
+					cpu_to_le16((u16) enc_key->key_len);
+		memcpy(key_material->key_param_set.key, enc_key->key_material,
+		       enc_key->key_len);
+		key_material->key_param_set.length =
+			cpu_to_le16((u16) enc_key->key_len +
+				    KEYPARAMSET_FIXED_LEN);
+
+		key_param_len = (u16)(enc_key->key_len + KEYPARAMSET_FIXED_LEN)
+				+ sizeof(struct mwifiex_ie_types_header);
+
+		if (le16_to_cpu(key_material->key_param_set.key_type_id) ==
+							KEY_TYPE_ID_AES_CMAC) {
+			struct mwifiex_cmac_param *param =
+					(void *)key_material->key_param_set.key;
+
+			memcpy(param->ipn, enc_key->pn, IGTK_PN_LEN);
+			memcpy(param->key, enc_key->key_material,
+			       WLAN_KEY_LEN_AES_CMAC);
+
+			key_param_len = sizeof(struct mwifiex_cmac_param);
+			key_material->key_param_set.key_len =
+						cpu_to_le16(key_param_len);
+			key_param_len += KEYPARAMSET_FIXED_LEN;
+			key_material->key_param_set.length =
+						cpu_to_le16(key_param_len);
+			key_param_len += sizeof(struct mwifiex_ie_types_header);
+		}
+
+		cmd->size = cpu_to_le16(sizeof(key_material->action) + S_DS_GEN
+					+ key_param_len);
+
+		if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
+			tlv_mac = (void *)((u8 *)&key_material->key_param_set +
+					   key_param_len);
+			tlv_mac->header.type =
+					cpu_to_le16(TLV_TYPE_STA_MAC_ADDR);
+			tlv_mac->header.len = cpu_to_le16(ETH_ALEN);
+			memcpy(tlv_mac->mac_addr, enc_key->mac_addr, ETH_ALEN);
+			cmd_size = key_param_len + S_DS_GEN +
+				   sizeof(key_material->action) +
+				   sizeof(struct host_cmd_tlv_mac_addr);
+		} else {
+			cmd_size = key_param_len + S_DS_GEN +
+				   sizeof(key_material->action);
+		}
+		cmd->size = cpu_to_le16(cmd_size);
+	}
+
+	return ret;
+}
+
+/* Wrapper function for setting network key depending upon FW KEY API version */
+static int
+mwifiex_cmd_802_11_key_material(struct mwifiex_private *priv,
+				struct host_cmd_ds_command *cmd,
+				u16 cmd_action, u32 cmd_oid,
+				struct mwifiex_ds_encrypt_key *enc_key)
+{
+	if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
+		return mwifiex_cmd_802_11_key_material_v2(priv, cmd,
+							  cmd_action, cmd_oid,
+							  enc_key);
+
+	else
+		return mwifiex_cmd_802_11_key_material_v1(priv, cmd,
+							  cmd_action, cmd_oid,
+							  enc_key);
+}
+
+/*
+ * This function prepares command to set/get 11d domain information.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting domain information fields (for SET only)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_802_11d_domain_info(struct mwifiex_private *priv,
+					   struct host_cmd_ds_command *cmd,
+					   u16 cmd_action)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	struct host_cmd_ds_802_11d_domain_info *domain_info =
+		&cmd->params.domain_info;
+	struct mwifiex_ietypes_domain_param_set *domain =
+		&domain_info->domain;
+	u8 no_of_triplet = adapter->domain_reg.no_of_triplet;
+
+	mwifiex_dbg(adapter, INFO,
+		    "info: 11D: no_of_triplet=0x%x\n", no_of_triplet);
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11D_DOMAIN_INFO);
+	domain_info->action = cpu_to_le16(cmd_action);
+	if (cmd_action == HostCmd_ACT_GEN_GET) {
+		cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
+		return 0;
+	}
+
+	/* Set domain info fields */
+	domain->header.type = cpu_to_le16(WLAN_EID_COUNTRY);
+	memcpy(domain->country_code, adapter->domain_reg.country_code,
+	       sizeof(domain->country_code));
+
+	domain->header.len =
+		cpu_to_le16((no_of_triplet *
+			     sizeof(struct ieee80211_country_ie_triplet))
+			    + sizeof(domain->country_code));
+
+	if (no_of_triplet) {
+		memcpy(domain->triplet, adapter->domain_reg.triplet,
+		       no_of_triplet * sizeof(struct
+					      ieee80211_country_ie_triplet));
+
+		cmd->size = cpu_to_le16(sizeof(domain_info->action) +
+					le16_to_cpu(domain->header.len) +
+					sizeof(struct mwifiex_ie_types_header)
+					+ S_DS_GEN);
+	} else {
+		cmd->size = cpu_to_le16(sizeof(domain_info->action) + S_DS_GEN);
+	}
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get IBSS coalescing status.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting status to enable or disable (for SET only)
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_ibss_coalescing_status(struct host_cmd_ds_command *cmd,
+					      u16 cmd_action, u16 *enable)
+{
+	struct host_cmd_ds_802_11_ibss_status *ibss_coal =
+		&(cmd->params.ibss_coalescing);
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_IBSS_COALESCING_STATUS);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_ibss_status) +
+				S_DS_GEN);
+	cmd->result = 0;
+	ibss_coal->action = cpu_to_le16(cmd_action);
+
+	switch (cmd_action) {
+	case HostCmd_ACT_GEN_SET:
+		if (enable)
+			ibss_coal->enable = cpu_to_le16(*enable);
+		else
+			ibss_coal->enable = 0;
+		break;
+
+		/* In other case.. Nothing to do */
+	case HostCmd_ACT_GEN_GET:
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+/* This function prepares command buffer to get/set memory location value.
+ */
+static int
+mwifiex_cmd_mem_access(struct host_cmd_ds_command *cmd, u16 cmd_action,
+		       void *pdata_buf)
+{
+	struct mwifiex_ds_mem_rw *mem_rw = (void *)pdata_buf;
+	struct host_cmd_ds_mem_access *mem_access = (void *)&cmd->params.mem;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_MEM_ACCESS);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_mem_access) +
+				S_DS_GEN);
+
+	mem_access->action = cpu_to_le16(cmd_action);
+	mem_access->addr = cpu_to_le32(mem_rw->addr);
+	mem_access->value = cpu_to_le32(mem_rw->value);
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set/get register value.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting register offset (for both GET and SET) and
+ *        register value (for SET only)
+ *      - Ensuring correct endian-ness
+ *
+ * The following type of registers can be accessed with this function -
+ *      - MAC register
+ *      - BBP register
+ *      - RF register
+ *      - PMIC register
+ *      - CAU register
+ *      - EEPROM
+ */
+static int mwifiex_cmd_reg_access(struct host_cmd_ds_command *cmd,
+				  u16 cmd_action, void *data_buf)
+{
+	struct mwifiex_ds_reg_rw *reg_rw = data_buf;
+
+	switch (le16_to_cpu(cmd->command)) {
+	case HostCmd_CMD_MAC_REG_ACCESS:
+	{
+		struct host_cmd_ds_mac_reg_access *mac_reg;
+
+		cmd->size = cpu_to_le16(sizeof(*mac_reg) + S_DS_GEN);
+		mac_reg = &cmd->params.mac_reg;
+		mac_reg->action = cpu_to_le16(cmd_action);
+		mac_reg->offset = cpu_to_le16((u16) reg_rw->offset);
+		mac_reg->value = cpu_to_le32(reg_rw->value);
+		break;
+	}
+	case HostCmd_CMD_BBP_REG_ACCESS:
+	{
+		struct host_cmd_ds_bbp_reg_access *bbp_reg;
+
+		cmd->size = cpu_to_le16(sizeof(*bbp_reg) + S_DS_GEN);
+		bbp_reg = &cmd->params.bbp_reg;
+		bbp_reg->action = cpu_to_le16(cmd_action);
+		bbp_reg->offset = cpu_to_le16((u16) reg_rw->offset);
+		bbp_reg->value = (u8) reg_rw->value;
+		break;
+	}
+	case HostCmd_CMD_RF_REG_ACCESS:
+	{
+		struct host_cmd_ds_rf_reg_access *rf_reg;
+
+		cmd->size = cpu_to_le16(sizeof(*rf_reg) + S_DS_GEN);
+		rf_reg = &cmd->params.rf_reg;
+		rf_reg->action = cpu_to_le16(cmd_action);
+		rf_reg->offset = cpu_to_le16((u16) reg_rw->offset);
+		rf_reg->value = (u8) reg_rw->value;
+		break;
+	}
+	case HostCmd_CMD_PMIC_REG_ACCESS:
+	{
+		struct host_cmd_ds_pmic_reg_access *pmic_reg;
+
+		cmd->size = cpu_to_le16(sizeof(*pmic_reg) + S_DS_GEN);
+		pmic_reg = &cmd->params.pmic_reg;
+		pmic_reg->action = cpu_to_le16(cmd_action);
+		pmic_reg->offset = cpu_to_le16((u16) reg_rw->offset);
+		pmic_reg->value = (u8) reg_rw->value;
+		break;
+	}
+	case HostCmd_CMD_CAU_REG_ACCESS:
+	{
+		struct host_cmd_ds_rf_reg_access *cau_reg;
+
+		cmd->size = cpu_to_le16(sizeof(*cau_reg) + S_DS_GEN);
+		cau_reg = &cmd->params.rf_reg;
+		cau_reg->action = cpu_to_le16(cmd_action);
+		cau_reg->offset = cpu_to_le16((u16) reg_rw->offset);
+		cau_reg->value = (u8) reg_rw->value;
+		break;
+	}
+	case HostCmd_CMD_802_11_EEPROM_ACCESS:
+	{
+		struct mwifiex_ds_read_eeprom *rd_eeprom = data_buf;
+		struct host_cmd_ds_802_11_eeprom_access *cmd_eeprom =
+			&cmd->params.eeprom;
+
+		cmd->size = cpu_to_le16(sizeof(*cmd_eeprom) + S_DS_GEN);
+		cmd_eeprom->action = cpu_to_le16(cmd_action);
+		cmd_eeprom->offset = cpu_to_le16(rd_eeprom->offset);
+		cmd_eeprom->byte_count = cpu_to_le16(rd_eeprom->byte_count);
+		cmd_eeprom->value = 0;
+		break;
+	}
+	default:
+		return -1;
+	}
+
+	return 0;
+}
+
+/*
+ * This function prepares command to set PCI-Express
+ * host buffer configuration
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Setting host buffer configuration
+ *      - Ensuring correct endian-ness
+ */
+static int
+mwifiex_cmd_pcie_host_spec(struct mwifiex_private *priv,
+			   struct host_cmd_ds_command *cmd, u16 action)
+{
+	struct host_cmd_ds_pcie_details *host_spec =
+					&cmd->params.pcie_host_spec;
+	struct pcie_service_card *card = priv->adapter->card;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_PCIE_DESC_DETAILS);
+	cmd->size = cpu_to_le16(sizeof(struct
+					host_cmd_ds_pcie_details) + S_DS_GEN);
+	cmd->result = 0;
+
+	memset(host_spec, 0, sizeof(struct host_cmd_ds_pcie_details));
+
+	if (action != HostCmd_ACT_GEN_SET)
+		return 0;
+
+	/* Send the ring base addresses and count to firmware */
+	host_spec->txbd_addr_lo = cpu_to_le32((u32)(card->txbd_ring_pbase));
+	host_spec->txbd_addr_hi =
+			cpu_to_le32((u32)(((u64)card->txbd_ring_pbase) >> 32));
+	host_spec->txbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
+	host_spec->rxbd_addr_lo = cpu_to_le32((u32)(card->rxbd_ring_pbase));
+	host_spec->rxbd_addr_hi =
+			cpu_to_le32((u32)(((u64)card->rxbd_ring_pbase) >> 32));
+	host_spec->rxbd_count = cpu_to_le32(MWIFIEX_MAX_TXRX_BD);
+	host_spec->evtbd_addr_lo = cpu_to_le32((u32)(card->evtbd_ring_pbase));
+	host_spec->evtbd_addr_hi =
+			cpu_to_le32((u32)(((u64)card->evtbd_ring_pbase) >> 32));
+	host_spec->evtbd_count = cpu_to_le32(MWIFIEX_MAX_EVT_BD);
+	if (card->sleep_cookie_vbase) {
+		host_spec->sleep_cookie_addr_lo =
+				cpu_to_le32((u32)(card->sleep_cookie_pbase));
+		host_spec->sleep_cookie_addr_hi = cpu_to_le32((u32)(((u64)
+					(card->sleep_cookie_pbase)) >> 32));
+		mwifiex_dbg(priv->adapter, INFO,
+			    "sleep_cook_lo phy addr: 0x%x\n",
+			    host_spec->sleep_cookie_addr_lo);
+	}
+
+	return 0;
+}
+
+/*
+ * This function prepares command for event subscription, configuration
+ * and query. Events can be subscribed or unsubscribed. Current subscribed
+ * events can be queried. Also, current subscribed events are reported in
+ * every FW response.
+ */
+static int
+mwifiex_cmd_802_11_subsc_evt(struct mwifiex_private *priv,
+			     struct host_cmd_ds_command *cmd,
+			     struct mwifiex_ds_misc_subsc_evt *subsc_evt_cfg)
+{
+	struct host_cmd_ds_802_11_subsc_evt *subsc_evt = &cmd->params.subsc_evt;
+	struct mwifiex_ie_types_rssi_threshold *rssi_tlv;
+	u16 event_bitmap;
+	u8 *pos;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_802_11_SUBSCRIBE_EVENT);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_802_11_subsc_evt) +
+				S_DS_GEN);
+
+	subsc_evt->action = cpu_to_le16(subsc_evt_cfg->action);
+	mwifiex_dbg(priv->adapter, CMD,
+		    "cmd: action: %d\n", subsc_evt_cfg->action);
+
+	/*For query requests, no configuration TLV structures are to be added.*/
+	if (subsc_evt_cfg->action == HostCmd_ACT_GEN_GET)
+		return 0;
+
+	subsc_evt->events = cpu_to_le16(subsc_evt_cfg->events);
+
+	event_bitmap = subsc_evt_cfg->events;
+	mwifiex_dbg(priv->adapter, CMD, "cmd: event bitmap : %16x\n",
+		    event_bitmap);
+
+	if (((subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR) ||
+	     (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_SET)) &&
+	    (event_bitmap == 0)) {
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "Error: No event specified\t"
+			    "for bitwise action type\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * Append TLV structures for each of the specified events for
+	 * subscribing or re-configuring. This is not required for
+	 * bitwise unsubscribing request.
+	 */
+	if (subsc_evt_cfg->action == HostCmd_ACT_BITWISE_CLR)
+		return 0;
+
+	pos = ((u8 *)subsc_evt) +
+			sizeof(struct host_cmd_ds_802_11_subsc_evt);
+
+	if (event_bitmap & BITMASK_BCN_RSSI_LOW) {
+		rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
+
+		rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_LOW);
+		rssi_tlv->header.len =
+		    cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
+				sizeof(struct mwifiex_ie_types_header));
+		rssi_tlv->abs_value = subsc_evt_cfg->bcn_l_rssi_cfg.abs_value;
+		rssi_tlv->evt_freq = subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq;
+
+		mwifiex_dbg(priv->adapter, EVENT,
+			    "Cfg Beacon Low Rssi event,\t"
+			    "RSSI:-%d dBm, Freq:%d\n",
+			    subsc_evt_cfg->bcn_l_rssi_cfg.abs_value,
+			    subsc_evt_cfg->bcn_l_rssi_cfg.evt_freq);
+
+		pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
+		le16_unaligned_add_cpu(&cmd->size,
+				       sizeof(
+				       struct mwifiex_ie_types_rssi_threshold));
+	}
+
+	if (event_bitmap & BITMASK_BCN_RSSI_HIGH) {
+		rssi_tlv = (struct mwifiex_ie_types_rssi_threshold *) pos;
+
+		rssi_tlv->header.type = cpu_to_le16(TLV_TYPE_RSSI_HIGH);
+		rssi_tlv->header.len =
+		    cpu_to_le16(sizeof(struct mwifiex_ie_types_rssi_threshold) -
+				sizeof(struct mwifiex_ie_types_header));
+		rssi_tlv->abs_value = subsc_evt_cfg->bcn_h_rssi_cfg.abs_value;
+		rssi_tlv->evt_freq = subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq;
+
+		mwifiex_dbg(priv->adapter, EVENT,
+			    "Cfg Beacon High Rssi event,\t"
+			    "RSSI:-%d dBm, Freq:%d\n",
+			    subsc_evt_cfg->bcn_h_rssi_cfg.abs_value,
+			    subsc_evt_cfg->bcn_h_rssi_cfg.evt_freq);
+
+		pos += sizeof(struct mwifiex_ie_types_rssi_threshold);
+		le16_unaligned_add_cpu(&cmd->size,
+				       sizeof(
+				       struct mwifiex_ie_types_rssi_threshold));
+	}
+
+	return 0;
+}
+
+static int
+mwifiex_cmd_append_rpn_expression(struct mwifiex_private *priv,
+				  struct mwifiex_mef_entry *mef_entry,
+				  u8 **buffer)
+{
+	struct mwifiex_mef_filter *filter = mef_entry->filter;
+	int i, byte_len;
+	u8 *stack_ptr = *buffer;
+
+	for (i = 0; i < MWIFIEX_MEF_MAX_FILTERS; i++) {
+		filter = &mef_entry->filter[i];
+		if (!filter->filt_type)
+			break;
+		put_unaligned_le32((u32)filter->repeat, stack_ptr);
+		stack_ptr += 4;
+		*stack_ptr = TYPE_DNUM;
+		stack_ptr += 1;
+
+		byte_len = filter->byte_seq[MWIFIEX_MEF_MAX_BYTESEQ];
+		memcpy(stack_ptr, filter->byte_seq, byte_len);
+		stack_ptr += byte_len;
+		*stack_ptr = byte_len;
+		stack_ptr += 1;
+		*stack_ptr = TYPE_BYTESEQ;
+		stack_ptr += 1;
+		put_unaligned_le32((u32)filter->offset, stack_ptr);
+		stack_ptr += 4;
+		*stack_ptr = TYPE_DNUM;
+		stack_ptr += 1;
+
+		*stack_ptr = filter->filt_type;
+		stack_ptr += 1;
+
+		if (filter->filt_action) {
+			*stack_ptr = filter->filt_action;
+			stack_ptr += 1;
+		}
+
+		if (stack_ptr - *buffer > STACK_NBYTES)
+			return -1;
+	}
+
+	*buffer = stack_ptr;
+	return 0;
+}
+
+static int
+mwifiex_cmd_mef_cfg(struct mwifiex_private *priv,
+		    struct host_cmd_ds_command *cmd,
+		    struct mwifiex_ds_mef_cfg *mef)
+{
+	struct host_cmd_ds_mef_cfg *mef_cfg = &cmd->params.mef_cfg;
+	struct mwifiex_fw_mef_entry *mef_entry = NULL;
+	u8 *pos = (u8 *)mef_cfg;
+	u16 i;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_MEF_CFG);
+
+	mef_cfg->criteria = cpu_to_le32(mef->criteria);
+	mef_cfg->num_entries = cpu_to_le16(mef->num_entries);
+	pos += sizeof(*mef_cfg);
+
+	for (i = 0; i < mef->num_entries; i++) {
+		mef_entry = (struct mwifiex_fw_mef_entry *)pos;
+		mef_entry->mode = mef->mef_entry[i].mode;
+		mef_entry->action = mef->mef_entry[i].action;
+		pos += sizeof(*mef_entry);
+
+		if (mwifiex_cmd_append_rpn_expression(priv,
+						      &mef->mef_entry[i], &pos))
+			return -1;
+
+		mef_entry->exprsize =
+			cpu_to_le16(pos - mef_entry->expr);
+	}
+	cmd->size = cpu_to_le16((u16) (pos - (u8 *)mef_cfg) + S_DS_GEN);
+
+	return 0;
+}
+
+/* This function parse cal data from ASCII to hex */
+static u32 mwifiex_parse_cal_cfg(u8 *src, size_t len, u8 *dst)
+{
+	u8 *s = src, *d = dst;
+
+	while (s - src < len) {
+		if (*s && (isspace(*s) || *s == '\t')) {
+			s++;
+			continue;
+		}
+		if (isxdigit(*s)) {
+			*d++ = simple_strtol(s, NULL, 16);
+			s += 2;
+		} else {
+			s++;
+		}
+	}
+
+	return d - dst;
+}
+
+int mwifiex_dnld_dt_cfgdata(struct mwifiex_private *priv,
+			    struct device_node *node, const char *prefix)
+{
+#ifdef CONFIG_OF
+	struct property *prop;
+	size_t len = strlen(prefix);
+	int ret;
+
+	/* look for all matching property names */
+	for_each_property_of_node(node, prop) {
+		if (len > strlen(prop->name) ||
+		    strncmp(prop->name, prefix, len))
+			continue;
+
+		/* property header is 6 bytes, data must fit in cmd buffer */
+		if (prop->value && prop->length > 6 &&
+		    prop->length <= MWIFIEX_SIZE_OF_CMD_BUFFER - S_DS_GEN) {
+			ret = mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
+					       HostCmd_ACT_GEN_SET, 0,
+					       prop, true);
+			if (ret)
+				return ret;
+		}
+	}
+#endif
+	return 0;
+}
+
+/* This function prepares command of set_cfg_data. */
+static int mwifiex_cmd_cfg_data(struct mwifiex_private *priv,
+				struct host_cmd_ds_command *cmd, void *data_buf)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	struct property *prop = data_buf;
+	u32 len;
+	u8 *data = (u8 *)cmd + S_DS_GEN;
+	int ret;
+
+	if (prop) {
+		len = prop->length;
+		ret = of_property_read_u8_array(adapter->dt_node, prop->name,
+						data, len);
+		if (ret)
+			return ret;
+		mwifiex_dbg(adapter, INFO,
+			    "download cfg_data from device tree: %s\n",
+			    prop->name);
+	} else if (adapter->cal_data->data && adapter->cal_data->size > 0) {
+		len = mwifiex_parse_cal_cfg((u8 *)adapter->cal_data->data,
+					    adapter->cal_data->size, data);
+		mwifiex_dbg(adapter, INFO,
+			    "download cfg_data from config file\n");
+	} else {
+		return -1;
+	}
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_CFG_DATA);
+	cmd->size = cpu_to_le16(S_DS_GEN + len);
+
+	return 0;
+}
+
+static int
+mwifiex_cmd_set_mc_policy(struct mwifiex_private *priv,
+			  struct host_cmd_ds_command *cmd,
+			  u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_ds_multi_chan_policy *mc_pol = &cmd->params.mc_policy;
+	const u16 *drcs_info = data_buf;
+
+	mc_pol->action = cpu_to_le16(cmd_action);
+	mc_pol->policy = cpu_to_le16(*drcs_info);
+	cmd->command = cpu_to_le16(HostCmd_CMD_MC_POLICY);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_multi_chan_policy) +
+				S_DS_GEN);
+	return 0;
+}
+
+static int mwifiex_cmd_robust_coex(struct mwifiex_private *priv,
+				   struct host_cmd_ds_command *cmd,
+				   u16 cmd_action, bool *is_timeshare)
+{
+	struct host_cmd_ds_robust_coex *coex = &cmd->params.coex;
+	struct mwifiex_ie_types_robust_coex *coex_tlv;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_ROBUST_COEX);
+	cmd->size = cpu_to_le16(sizeof(*coex) + sizeof(*coex_tlv) + S_DS_GEN);
+
+	coex->action = cpu_to_le16(cmd_action);
+	coex_tlv = (struct mwifiex_ie_types_robust_coex *)
+				((u8 *)coex + sizeof(*coex));
+	coex_tlv->header.type = cpu_to_le16(TLV_TYPE_ROBUST_COEX);
+	coex_tlv->header.len = cpu_to_le16(sizeof(coex_tlv->mode));
+
+	if (coex->action == HostCmd_ACT_GEN_GET)
+		return 0;
+
+	if (*is_timeshare)
+		coex_tlv->mode = cpu_to_le32(MWIFIEX_COEX_MODE_TIMESHARE);
+	else
+		coex_tlv->mode = cpu_to_le32(MWIFIEX_COEX_MODE_SPATIAL);
+
+	return 0;
+}
+
+static int mwifiex_cmd_gtk_rekey_offload(struct mwifiex_private *priv,
+					 struct host_cmd_ds_command *cmd,
+					 u16 cmd_action,
+					 struct cfg80211_gtk_rekey_data *data)
+{
+	struct host_cmd_ds_gtk_rekey_params *rekey = &cmd->params.rekey;
+	u64 rekey_ctr;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG);
+	cmd->size = cpu_to_le16(sizeof(*rekey) + S_DS_GEN);
+
+	rekey->action = cpu_to_le16(cmd_action);
+	if (cmd_action == HostCmd_ACT_GEN_SET) {
+		memcpy(rekey->kek, data->kek, NL80211_KEK_LEN);
+		memcpy(rekey->kck, data->kck, NL80211_KCK_LEN);
+		rekey_ctr = be64_to_cpup((__be64 *)data->replay_ctr);
+		rekey->replay_ctr_low = cpu_to_le32((u32)rekey_ctr);
+		rekey->replay_ctr_high =
+			cpu_to_le32((u32)((u64)rekey_ctr >> 32));
+	}
+
+	return 0;
+}
+
+static int mwifiex_cmd_chan_region_cfg(struct mwifiex_private *priv,
+				       struct host_cmd_ds_command *cmd,
+				       u16 cmd_action)
+{
+	struct host_cmd_ds_chan_region_cfg *reg = &cmd->params.reg_cfg;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_CHAN_REGION_CFG);
+	cmd->size = cpu_to_le16(sizeof(*reg) + S_DS_GEN);
+
+	if (cmd_action == HostCmd_ACT_GEN_GET)
+		reg->action = cpu_to_le16(cmd_action);
+
+	return 0;
+}
+
+static int
+mwifiex_cmd_coalesce_cfg(struct mwifiex_private *priv,
+			 struct host_cmd_ds_command *cmd,
+			 u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_ds_coalesce_cfg *coalesce_cfg =
+						&cmd->params.coalesce_cfg;
+	struct mwifiex_ds_coalesce_cfg *cfg = data_buf;
+	struct coalesce_filt_field_param *param;
+	u16 cnt, idx, length;
+	struct coalesce_receive_filt_rule *rule;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_COALESCE_CFG);
+	cmd->size = cpu_to_le16(S_DS_GEN);
+
+	coalesce_cfg->action = cpu_to_le16(cmd_action);
+	coalesce_cfg->num_of_rules = cpu_to_le16(cfg->num_of_rules);
+	rule = (void *)coalesce_cfg->rule_data;
+
+	for (cnt = 0; cnt < cfg->num_of_rules; cnt++) {
+		rule->header.type = cpu_to_le16(TLV_TYPE_COALESCE_RULE);
+		rule->max_coalescing_delay =
+			cpu_to_le16(cfg->rule[cnt].max_coalescing_delay);
+		rule->pkt_type = cfg->rule[cnt].pkt_type;
+		rule->num_of_fields = cfg->rule[cnt].num_of_fields;
+
+		length = 0;
+
+		param = rule->params;
+		for (idx = 0; idx < cfg->rule[cnt].num_of_fields; idx++) {
+			param->operation = cfg->rule[cnt].params[idx].operation;
+			param->operand_len =
+					cfg->rule[cnt].params[idx].operand_len;
+			param->offset =
+				cpu_to_le16(cfg->rule[cnt].params[idx].offset);
+			memcpy(param->operand_byte_stream,
+			       cfg->rule[cnt].params[idx].operand_byte_stream,
+			       param->operand_len);
+
+			length += sizeof(struct coalesce_filt_field_param);
+
+			param++;
+		}
+
+		/* Total rule length is sizeof max_coalescing_delay(u16),
+		 * num_of_fields(u8), pkt_type(u8) and total length of the all
+		 * params
+		 */
+		rule->header.len = cpu_to_le16(length + sizeof(u16) +
+					       sizeof(u8) + sizeof(u8));
+
+		/* Add the rule length to the command size*/
+		le16_unaligned_add_cpu(&cmd->size,
+				       le16_to_cpu(rule->header.len) +
+				       sizeof(struct mwifiex_ie_types_header));
+
+		rule = (void *)((u8 *)rule->params + length);
+	}
+
+	/* Add sizeof action, num_of_rules to total command length */
+	le16_unaligned_add_cpu(&cmd->size, sizeof(u16) + sizeof(u16));
+
+	return 0;
+}
+
+static int
+mwifiex_cmd_tdls_config(struct mwifiex_private *priv,
+			struct host_cmd_ds_command *cmd,
+			u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_ds_tdls_config *tdls_config = &cmd->params.tdls_config;
+	struct mwifiex_tdls_init_cs_params *config;
+	struct mwifiex_tdls_config *init_config;
+	u16 len;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_CONFIG);
+	cmd->size = cpu_to_le16(S_DS_GEN);
+	tdls_config->tdls_action = cpu_to_le16(cmd_action);
+	le16_unaligned_add_cpu(&cmd->size, sizeof(tdls_config->tdls_action));
+
+	switch (cmd_action) {
+	case ACT_TDLS_CS_ENABLE_CONFIG:
+		init_config = data_buf;
+		len = sizeof(*init_config);
+		memcpy(tdls_config->tdls_data, init_config, len);
+		break;
+	case ACT_TDLS_CS_INIT:
+		config = data_buf;
+		len = sizeof(*config);
+		memcpy(tdls_config->tdls_data, config, len);
+		break;
+	case ACT_TDLS_CS_STOP:
+		len = sizeof(struct mwifiex_tdls_stop_cs_params);
+		memcpy(tdls_config->tdls_data, data_buf, len);
+		break;
+	case ACT_TDLS_CS_PARAMS:
+		len = sizeof(struct mwifiex_tdls_config_cs_params);
+		memcpy(tdls_config->tdls_data, data_buf, len);
+		break;
+	default:
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "Unknown TDLS configuration\n");
+		return -EOPNOTSUPP;
+	}
+
+	le16_unaligned_add_cpu(&cmd->size, len);
+	return 0;
+}
+
+static int
+mwifiex_cmd_tdls_oper(struct mwifiex_private *priv,
+		      struct host_cmd_ds_command *cmd,
+		      void *data_buf)
+{
+	struct host_cmd_ds_tdls_oper *tdls_oper = &cmd->params.tdls_oper;
+	struct mwifiex_ds_tdls_oper *oper = data_buf;
+	struct host_cmd_tlv_rates *tlv_rates;
+	struct mwifiex_ie_types_htcap *ht_capab;
+	struct mwifiex_ie_types_qos_info *wmm_qos_info;
+	struct mwifiex_ie_types_extcap *extcap;
+	struct mwifiex_ie_types_vhtcap *vht_capab;
+	struct mwifiex_ie_types_aid *aid;
+	struct mwifiex_ie_types_tdls_idle_timeout *timeout;
+	u8 *pos;
+	u16 config_len = 0;
+	struct station_parameters *params = priv->sta_params;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_TDLS_OPER);
+	cmd->size = cpu_to_le16(S_DS_GEN);
+	le16_unaligned_add_cpu(&cmd->size,
+			       sizeof(struct host_cmd_ds_tdls_oper));
+
+	tdls_oper->reason = 0;
+	memcpy(tdls_oper->peer_mac, oper->peer_mac, ETH_ALEN);
+
+	pos = (u8 *)tdls_oper + sizeof(struct host_cmd_ds_tdls_oper);
+
+	switch (oper->tdls_action) {
+	case MWIFIEX_TDLS_DISABLE_LINK:
+		tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_DELETE);
+		break;
+	case MWIFIEX_TDLS_CREATE_LINK:
+		tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CREATE);
+		break;
+	case MWIFIEX_TDLS_CONFIG_LINK:
+		tdls_oper->tdls_action = cpu_to_le16(ACT_TDLS_CONFIG);
+
+		if (!params) {
+			mwifiex_dbg(priv->adapter, ERROR,
+				    "TDLS config params not available for %pM\n",
+				    oper->peer_mac);
+			return -ENODATA;
+		}
+
+		put_unaligned_le16(params->capability, pos);
+		config_len += sizeof(params->capability);
+
+		wmm_qos_info = (void *)(pos + config_len);
+		wmm_qos_info->header.type = cpu_to_le16(WLAN_EID_QOS_CAPA);
+		wmm_qos_info->header.len =
+				cpu_to_le16(sizeof(wmm_qos_info->qos_info));
+		wmm_qos_info->qos_info = 0;
+		config_len += sizeof(struct mwifiex_ie_types_qos_info);
+
+		if (params->link_sta_params.ht_capa) {
+			ht_capab = (struct mwifiex_ie_types_htcap *)(pos +
+								    config_len);
+			ht_capab->header.type =
+					    cpu_to_le16(WLAN_EID_HT_CAPABILITY);
+			ht_capab->header.len =
+				   cpu_to_le16(sizeof(struct ieee80211_ht_cap));
+			memcpy(&ht_capab->ht_cap, params->link_sta_params.ht_capa,
+			       sizeof(struct ieee80211_ht_cap));
+			config_len += sizeof(struct mwifiex_ie_types_htcap);
+		}
+
+		if (params->link_sta_params.supported_rates &&
+		    params->link_sta_params.supported_rates_len) {
+			tlv_rates = (struct host_cmd_tlv_rates *)(pos +
+								  config_len);
+			tlv_rates->header.type =
+					       cpu_to_le16(WLAN_EID_SUPP_RATES);
+			tlv_rates->header.len =
+				       cpu_to_le16(params->link_sta_params.supported_rates_len);
+			memcpy(tlv_rates->rates,
+			       params->link_sta_params.supported_rates,
+			       params->link_sta_params.supported_rates_len);
+			config_len += sizeof(struct host_cmd_tlv_rates) +
+				      params->link_sta_params.supported_rates_len;
+		}
+
+		if (params->ext_capab && params->ext_capab_len) {
+			extcap = (struct mwifiex_ie_types_extcap *)(pos +
+								    config_len);
+			extcap->header.type =
+					   cpu_to_le16(WLAN_EID_EXT_CAPABILITY);
+			extcap->header.len = cpu_to_le16(params->ext_capab_len);
+			memcpy(extcap->ext_capab, params->ext_capab,
+			       params->ext_capab_len);
+			config_len += sizeof(struct mwifiex_ie_types_extcap) +
+				      params->ext_capab_len;
+		}
+		if (params->link_sta_params.vht_capa) {
+			vht_capab = (struct mwifiex_ie_types_vhtcap *)(pos +
+								    config_len);
+			vht_capab->header.type =
+					   cpu_to_le16(WLAN_EID_VHT_CAPABILITY);
+			vht_capab->header.len =
+				  cpu_to_le16(sizeof(struct ieee80211_vht_cap));
+			memcpy(&vht_capab->vht_cap, params->link_sta_params.vht_capa,
+			       sizeof(struct ieee80211_vht_cap));
+			config_len += sizeof(struct mwifiex_ie_types_vhtcap);
+		}
+		if (params->aid) {
+			aid = (struct mwifiex_ie_types_aid *)(pos + config_len);
+			aid->header.type = cpu_to_le16(WLAN_EID_AID);
+			aid->header.len = cpu_to_le16(sizeof(params->aid));
+			aid->aid = cpu_to_le16(params->aid);
+			config_len += sizeof(struct mwifiex_ie_types_aid);
+		}
+
+		timeout = (void *)(pos + config_len);
+		timeout->header.type = cpu_to_le16(TLV_TYPE_TDLS_IDLE_TIMEOUT);
+		timeout->header.len = cpu_to_le16(sizeof(timeout->value));
+		timeout->value = cpu_to_le16(MWIFIEX_TDLS_IDLE_TIMEOUT_IN_SEC);
+		config_len += sizeof(struct mwifiex_ie_types_tdls_idle_timeout);
+
+		break;
+	default:
+		mwifiex_dbg(priv->adapter, ERROR, "Unknown TDLS operation\n");
+		return -EOPNOTSUPP;
+	}
+
+	le16_unaligned_add_cpu(&cmd->size, config_len);
+
+	return 0;
+}
+
+/* This function prepares command of sdio rx aggr info. */
+static int mwifiex_cmd_sdio_rx_aggr_cfg(struct host_cmd_ds_command *cmd,
+					u16 cmd_action, void *data_buf)
+{
+	struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
+					&cmd->params.sdio_rx_aggr_cfg;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_SDIO_SP_RX_AGGR_CFG);
+	cmd->size =
+		cpu_to_le16(sizeof(struct host_cmd_sdio_sp_rx_aggr_cfg) +
+			    S_DS_GEN);
+	cfg->action = cmd_action;
+	if (cmd_action == HostCmd_ACT_GEN_SET)
+		cfg->enable = *(u8 *)data_buf;
+
+	return 0;
+}
+
+/* This function prepares command to get HS wakeup reason.
+ *
+ * Preparation includes -
+ *      - Setting command ID, action and proper size
+ *      - Ensuring correct endian-ness
+ */
+static int mwifiex_cmd_get_wakeup_reason(struct mwifiex_private *priv,
+					 struct host_cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(HostCmd_CMD_HS_WAKEUP_REASON);
+	cmd->size = cpu_to_le16(sizeof(struct host_cmd_ds_wakeup_reason) +
+				S_DS_GEN);
+
+	return 0;
+}
+
+static int mwifiex_cmd_get_chan_info(struct host_cmd_ds_command *cmd,
+				     u16 cmd_action)
+{
+	struct host_cmd_ds_sta_configure *sta_cfg_cmd = &cmd->params.sta_cfg;
+	struct host_cmd_tlv_channel_band *tlv_band_channel =
+	(struct host_cmd_tlv_channel_band *)sta_cfg_cmd->tlv_buffer;
+
+	cmd->command = cpu_to_le16(HostCmd_CMD_STA_CONFIGURE);
+	cmd->size = cpu_to_le16(sizeof(*sta_cfg_cmd) +
+				sizeof(*tlv_band_channel) + S_DS_GEN);
+	sta_cfg_cmd->action = cpu_to_le16(cmd_action);
+	memset(tlv_band_channel, 0, sizeof(*tlv_band_channel));
+	tlv_band_channel->header.type = cpu_to_le16(TLV_TYPE_CHANNELBANDLIST);
+	tlv_band_channel->header.len  = cpu_to_le16(sizeof(*tlv_band_channel) -
+					sizeof(struct mwifiex_ie_types_header));
+
+	return 0;
+}
+
+/* This function check if the command is supported by firmware */
+static int mwifiex_is_cmd_supported(struct mwifiex_private *priv, u16 cmd_no)
+{
+	if (!ISSUPP_ADHOC_ENABLED(priv->adapter->fw_cap_info)) {
+		switch (cmd_no) {
+		case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
+		case HostCmd_CMD_802_11_AD_HOC_START:
+		case HostCmd_CMD_802_11_AD_HOC_JOIN:
+		case HostCmd_CMD_802_11_AD_HOC_STOP:
+			return -EOPNOTSUPP;
+		default:
+			break;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * This function prepares the commands before sending them to the firmware.
+ *
+ * This is a generic function which calls specific command preparation
+ * routines based upon the command number.
+ */
+int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
+			    u16 cmd_action, u32 cmd_oid,
+			    void *data_buf, void *cmd_buf)
+{
+	struct host_cmd_ds_command *cmd_ptr = cmd_buf;
+	int ret = 0;
+
+	if (mwifiex_is_cmd_supported(priv, cmd_no)) {
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "0x%x command not supported by firmware\n",
+			    cmd_no);
+		return -EOPNOTSUPP;
+	}
+
+	/* Prepare command */
+	switch (cmd_no) {
+	case HostCmd_CMD_GET_HW_SPEC:
+		ret = mwifiex_cmd_get_hw_spec(priv, cmd_ptr);
+		break;
+	case HostCmd_CMD_CFG_DATA:
+		ret = mwifiex_cmd_cfg_data(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_MAC_CONTROL:
+		ret = mwifiex_cmd_mac_control(priv, cmd_ptr, cmd_action,
+					      data_buf);
+		break;
+	case HostCmd_CMD_802_11_MAC_ADDRESS:
+		ret = mwifiex_cmd_802_11_mac_address(priv, cmd_ptr,
+						     cmd_action);
+		break;
+	case HostCmd_CMD_MAC_MULTICAST_ADR:
+		ret = mwifiex_cmd_mac_multicast_adr(cmd_ptr, cmd_action,
+						    data_buf);
+		break;
+	case HostCmd_CMD_TX_RATE_CFG:
+		ret = mwifiex_cmd_tx_rate_cfg(priv, cmd_ptr, cmd_action,
+					      data_buf);
+		break;
+	case HostCmd_CMD_TXPWR_CFG:
+		ret = mwifiex_cmd_tx_power_cfg(cmd_ptr, cmd_action,
+					       data_buf);
+		break;
+	case HostCmd_CMD_RF_TX_PWR:
+		ret = mwifiex_cmd_rf_tx_power(priv, cmd_ptr, cmd_action,
+					      data_buf);
+		break;
+	case HostCmd_CMD_RF_ANTENNA:
+		ret = mwifiex_cmd_rf_antenna(priv, cmd_ptr, cmd_action,
+					     data_buf);
+		break;
+	case HostCmd_CMD_802_11_PS_MODE_ENH:
+		ret = mwifiex_cmd_enh_power_mode(priv, cmd_ptr, cmd_action,
+						 (uint16_t)cmd_oid, data_buf);
+		break;
+	case HostCmd_CMD_802_11_HS_CFG_ENH:
+		ret = mwifiex_cmd_802_11_hs_cfg(priv, cmd_ptr, cmd_action,
+				(struct mwifiex_hs_config_param *) data_buf);
+		break;
+	case HostCmd_CMD_802_11_SCAN:
+		ret = mwifiex_cmd_802_11_scan(cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
+		ret = mwifiex_cmd_802_11_bg_scan_config(priv, cmd_ptr,
+							data_buf);
+		break;
+	case HostCmd_CMD_802_11_BG_SCAN_QUERY:
+		ret = mwifiex_cmd_802_11_bg_scan_query(cmd_ptr);
+		break;
+	case HostCmd_CMD_802_11_ASSOCIATE:
+		ret = mwifiex_cmd_802_11_associate(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_802_11_DEAUTHENTICATE:
+		ret = mwifiex_cmd_802_11_deauthenticate(priv, cmd_ptr,
+							data_buf);
+		break;
+	case HostCmd_CMD_802_11_AD_HOC_START:
+		ret = mwifiex_cmd_802_11_ad_hoc_start(priv, cmd_ptr,
+						      data_buf);
+		break;
+	case HostCmd_CMD_802_11_GET_LOG:
+		ret = mwifiex_cmd_802_11_get_log(cmd_ptr);
+		break;
+	case HostCmd_CMD_802_11_AD_HOC_JOIN:
+		ret = mwifiex_cmd_802_11_ad_hoc_join(priv, cmd_ptr,
+						     data_buf);
+		break;
+	case HostCmd_CMD_802_11_AD_HOC_STOP:
+		ret = mwifiex_cmd_802_11_ad_hoc_stop(cmd_ptr);
+		break;
+	case HostCmd_CMD_RSSI_INFO:
+		ret = mwifiex_cmd_802_11_rssi_info(priv, cmd_ptr, cmd_action);
+		break;
+	case HostCmd_CMD_802_11_SNMP_MIB:
+		ret = mwifiex_cmd_802_11_snmp_mib(priv, cmd_ptr, cmd_action,
+						  cmd_oid, data_buf);
+		break;
+	case HostCmd_CMD_802_11_TX_RATE_QUERY:
+		cmd_ptr->command =
+			cpu_to_le16(HostCmd_CMD_802_11_TX_RATE_QUERY);
+		cmd_ptr->size =
+			cpu_to_le16(sizeof(struct host_cmd_ds_tx_rate_query) +
+				    S_DS_GEN);
+		priv->tx_rate = 0;
+		ret = 0;
+		break;
+	case HostCmd_CMD_VERSION_EXT:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->params.verext.version_str_sel =
+			(u8)(get_unaligned((u32 *)data_buf));
+		memcpy(&cmd_ptr->params, data_buf,
+		       sizeof(struct host_cmd_ds_version_ext));
+		cmd_ptr->size =
+			cpu_to_le16(sizeof(struct host_cmd_ds_version_ext) +
+				    S_DS_GEN);
+		ret = 0;
+		break;
+	case HostCmd_CMD_MGMT_FRAME_REG:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->params.reg_mask.action = cpu_to_le16(cmd_action);
+		cmd_ptr->params.reg_mask.mask = cpu_to_le32(
+						get_unaligned((u32 *)data_buf));
+		cmd_ptr->size =
+			cpu_to_le16(sizeof(struct host_cmd_ds_mgmt_frame_reg) +
+				    S_DS_GEN);
+		ret = 0;
+		break;
+	case HostCmd_CMD_REMAIN_ON_CHAN:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		memcpy(&cmd_ptr->params, data_buf,
+		       sizeof(struct host_cmd_ds_remain_on_chan));
+		cmd_ptr->size =
+		      cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
+				  S_DS_GEN);
+		break;
+	case HostCmd_CMD_11AC_CFG:
+		ret = mwifiex_cmd_11ac_cfg(priv, cmd_ptr, cmd_action, data_buf);
+		break;
+	case HostCmd_CMD_PACKET_AGGR_CTRL:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->params.pkt_aggr_ctrl.action = cpu_to_le16(cmd_action);
+		cmd_ptr->params.pkt_aggr_ctrl.enable =
+						cpu_to_le16(*(u16 *)data_buf);
+		cmd_ptr->size =
+			cpu_to_le16(sizeof(struct host_cmd_ds_pkt_aggr_ctrl) +
+				    S_DS_GEN);
+		break;
+	case HostCmd_CMD_P2P_MODE_CFG:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
+		cmd_ptr->params.mode_cfg.mode = cpu_to_le16(
+						get_unaligned((u16 *)data_buf));
+		cmd_ptr->size =
+			cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
+				    S_DS_GEN);
+		break;
+	case HostCmd_CMD_FUNC_INIT:
+		if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
+			priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->size = cpu_to_le16(S_DS_GEN);
+		break;
+	case HostCmd_CMD_FUNC_SHUTDOWN:
+		priv->adapter->hw_status = MWIFIEX_HW_STATUS_RESET;
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->size = cpu_to_le16(S_DS_GEN);
+		break;
+	case HostCmd_CMD_11N_ADDBA_REQ:
+		ret = mwifiex_cmd_11n_addba_req(cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_11N_DELBA:
+		ret = mwifiex_cmd_11n_delba(cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_11N_ADDBA_RSP:
+		ret = mwifiex_cmd_11n_addba_rsp_gen(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_802_11_KEY_MATERIAL:
+		ret = mwifiex_cmd_802_11_key_material(priv, cmd_ptr,
+						      cmd_action, cmd_oid,
+						      data_buf);
+		break;
+	case HostCmd_CMD_802_11D_DOMAIN_INFO:
+		ret = mwifiex_cmd_802_11d_domain_info(priv, cmd_ptr,
+						      cmd_action);
+		break;
+	case HostCmd_CMD_RECONFIGURE_TX_BUFF:
+		ret = mwifiex_cmd_recfg_tx_buf(priv, cmd_ptr, cmd_action,
+					       data_buf);
+		break;
+	case HostCmd_CMD_AMSDU_AGGR_CTRL:
+		ret = mwifiex_cmd_amsdu_aggr_ctrl(cmd_ptr, cmd_action,
+						  data_buf);
+		break;
+	case HostCmd_CMD_11N_CFG:
+		ret = mwifiex_cmd_11n_cfg(priv, cmd_ptr, cmd_action, data_buf);
+		break;
+	case HostCmd_CMD_WMM_GET_STATUS:
+		mwifiex_dbg(priv->adapter, CMD,
+			    "cmd: WMM: WMM_GET_STATUS cmd sent\n");
+		cmd_ptr->command = cpu_to_le16(HostCmd_CMD_WMM_GET_STATUS);
+		cmd_ptr->size =
+			cpu_to_le16(sizeof(struct host_cmd_ds_wmm_get_status) +
+				    S_DS_GEN);
+		ret = 0;
+		break;
+	case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
+		ret = mwifiex_cmd_ibss_coalescing_status(cmd_ptr, cmd_action,
+							 data_buf);
+		break;
+	case HostCmd_CMD_802_11_SCAN_EXT:
+		ret = mwifiex_cmd_802_11_scan_ext(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_MEM_ACCESS:
+		ret = mwifiex_cmd_mem_access(cmd_ptr, cmd_action, data_buf);
+		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_cmd_reg_access(cmd_ptr, cmd_action, data_buf);
+		break;
+	case HostCmd_CMD_SET_BSS_MODE:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		if (priv->bss_mode == NL80211_IFTYPE_ADHOC)
+			cmd_ptr->params.bss_mode.con_type =
+				CONNECTION_TYPE_ADHOC;
+		else if (priv->bss_mode == NL80211_IFTYPE_STATION ||
+			 priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT)
+			cmd_ptr->params.bss_mode.con_type =
+				CONNECTION_TYPE_INFRA;
+		else if (priv->bss_mode == NL80211_IFTYPE_AP ||
+			 priv->bss_mode == NL80211_IFTYPE_P2P_GO)
+			cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
+		cmd_ptr->size = cpu_to_le16(sizeof(struct
+				host_cmd_ds_set_bss_mode) + S_DS_GEN);
+		ret = 0;
+		break;
+	case HostCmd_CMD_PCIE_DESC_DETAILS:
+		ret = mwifiex_cmd_pcie_host_spec(priv, cmd_ptr, cmd_action);
+		break;
+	case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
+		ret = mwifiex_cmd_802_11_subsc_evt(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_MEF_CFG:
+		ret = mwifiex_cmd_mef_cfg(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_COALESCE_CFG:
+		ret = mwifiex_cmd_coalesce_cfg(priv, cmd_ptr, cmd_action,
+					       data_buf);
+		break;
+	case HostCmd_CMD_TDLS_OPER:
+		ret = mwifiex_cmd_tdls_oper(priv, cmd_ptr, data_buf);
+		break;
+	case HostCmd_CMD_TDLS_CONFIG:
+		ret = mwifiex_cmd_tdls_config(priv, cmd_ptr, cmd_action,
+					      data_buf);
+		break;
+	case HostCmd_CMD_CHAN_REPORT_REQUEST:
+		ret = mwifiex_cmd_issue_chan_report_request(priv, cmd_ptr,
+							    data_buf);
+		break;
+	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
+		ret = mwifiex_cmd_sdio_rx_aggr_cfg(cmd_ptr, cmd_action,
+						   data_buf);
+		break;
+	case HostCmd_CMD_HS_WAKEUP_REASON:
+		ret = mwifiex_cmd_get_wakeup_reason(priv, cmd_ptr);
+		break;
+	case HostCmd_CMD_MC_POLICY:
+		ret = mwifiex_cmd_set_mc_policy(priv, cmd_ptr, cmd_action,
+						data_buf);
+		break;
+	case HostCmd_CMD_ROBUST_COEX:
+		ret = mwifiex_cmd_robust_coex(priv, cmd_ptr, cmd_action,
+					      data_buf);
+		break;
+	case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
+		ret = mwifiex_cmd_gtk_rekey_offload(priv, cmd_ptr, cmd_action,
+						    data_buf);
+		break;
+	case HostCmd_CMD_CHAN_REGION_CFG:
+		ret = mwifiex_cmd_chan_region_cfg(priv, cmd_ptr, cmd_action);
+		break;
+	case HostCmd_CMD_FW_DUMP_EVENT:
+		cmd_ptr->command = cpu_to_le16(cmd_no);
+		cmd_ptr->size = cpu_to_le16(S_DS_GEN);
+		break;
+	case HostCmd_CMD_STA_CONFIGURE:
+		ret = mwifiex_cmd_get_chan_info(cmd_ptr, cmd_action);
+		break;
+	default:
+		mwifiex_dbg(priv->adapter, ERROR,
+			    "PREP_CMD: unknown cmd- %#x\n", cmd_no);
+		ret = -1;
+		break;
+	}
+	return ret;
+}
+
+/*
+ * This function issues commands to initialize firmware.
+ *
+ * This is called after firmware download to bring the card to
+ * working state.
+ * Function is also called during reinitialization of virtual
+ * interfaces.
+ *
+ * The following commands are issued sequentially -
+ *      - Set PCI-Express host buffer configuration (PCIE only)
+ *      - Function init (for first interface only)
+ *      - Read MAC address (for first interface only)
+ *      - Reconfigure Tx buffer size (for first interface only)
+ *      - Enable auto deep sleep (for first interface only)
+ *      - Get Tx rate
+ *      - Get Tx power
+ *      - Set IBSS coalescing status
+ *      - Set AMSDU aggregation control
+ *      - Set 11d control
+ *      - Set MAC control (this must be the last command to initialize firmware)
+ */
+int mwifiex_sta_init_cmd(struct mwifiex_private *priv, u8 first_sta, bool init)
+{
+	struct mwifiex_adapter *adapter = priv->adapter;
+	int ret;
+	struct mwifiex_ds_11n_amsdu_aggr_ctrl amsdu_aggr_ctrl;
+	struct mwifiex_ds_auto_ds auto_ds;
+	enum state_11d_t state_11d;
+	struct mwifiex_ds_11n_tx_cfg tx_cfg;
+	u8 sdio_sp_rx_aggr_enable;
+	u16 packet_aggr_enable;
+	int data;
+
+	if (first_sta) {
+		if (priv->adapter->iface_type == MWIFIEX_PCIE) {
+			ret = mwifiex_send_cmd(priv,
+					       HostCmd_CMD_PCIE_DESC_DETAILS,
+					       HostCmd_ACT_GEN_SET, 0, NULL,
+					       true);
+			if (ret)
+				return -1;
+		}
+
+		ret = mwifiex_send_cmd(priv, HostCmd_CMD_FUNC_INIT,
+				       HostCmd_ACT_GEN_SET, 0, NULL, true);
+		if (ret)
+			return -1;
+
+		/* Download calibration data to firmware.
+		 * The cal-data can be read from device tree and/or
+		 * a configuration file and downloaded to firmware.
+		 */
+		if (adapter->dt_node) {
+			if (of_property_read_u32(adapter->dt_node,
+						 "marvell,wakeup-pin",
+						 &data) == 0) {
+				pr_debug("Wakeup pin = 0x%x\n", data);
+				adapter->hs_cfg.gpio = data;
+			}
+
+			mwifiex_dnld_dt_cfgdata(priv, adapter->dt_node,
+						"marvell,caldata");
+		}
+
+		if (adapter->cal_data)
+			mwifiex_send_cmd(priv, HostCmd_CMD_CFG_DATA,
+					 HostCmd_ACT_GEN_SET, 0, NULL, true);
+
+		/* Read MAC address from HW */
+		ret = mwifiex_send_cmd(priv, HostCmd_CMD_GET_HW_SPEC,
+				       HostCmd_ACT_GEN_GET, 0, NULL, true);
+		if (ret)
+			return -1;
+
+		/** Set SDIO Single Port RX Aggr Info */
+		if (priv->adapter->iface_type == MWIFIEX_SDIO &&
+		    ISSUPP_SDIO_SPA_ENABLED(priv->adapter->fw_cap_info) &&
+		    !priv->adapter->host_disable_sdio_rx_aggr) {
+			sdio_sp_rx_aggr_enable = true;
+			ret = mwifiex_send_cmd(priv,
+					       HostCmd_CMD_SDIO_SP_RX_AGGR_CFG,
+					       HostCmd_ACT_GEN_SET, 0,
+					       &sdio_sp_rx_aggr_enable,
+					       true);
+			if (ret) {
+				mwifiex_dbg(priv->adapter, ERROR,
+					    "error while enabling SP aggregation..disable it");
+				adapter->sdio_rx_aggr_enable = false;
+			}
+		}
+
+		/* Reconfigure tx buf size */
+		ret = mwifiex_send_cmd(priv, HostCmd_CMD_RECONFIGURE_TX_BUFF,
+				       HostCmd_ACT_GEN_SET, 0,
+				       &priv->adapter->tx_buf_size, true);
+		if (ret)
+			return -1;
+
+		if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
+			/* Enable IEEE PS by default */
+			priv->adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
+			ret = mwifiex_send_cmd(priv,
+					       HostCmd_CMD_802_11_PS_MODE_ENH,
+					       EN_AUTO_PS, BITMAP_STA_PS, NULL,
+					       true);
+			if (ret)
+				return -1;
+		}
+
+		if (drcs) {
+			adapter->drcs_enabled = true;
+			if (ISSUPP_DRCS_ENABLED(adapter->fw_cap_info))
+				ret = mwifiex_send_cmd(priv,
+						       HostCmd_CMD_MC_POLICY,
+						       HostCmd_ACT_GEN_SET, 0,
+						       &adapter->drcs_enabled,
+						       true);
+			if (ret)
+				return -1;
+		}
+
+		mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REGION_CFG,
+				 HostCmd_ACT_GEN_GET, 0, NULL, true);
+	}
+
+	/* get tx rate */
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG,
+			       HostCmd_ACT_GEN_GET, 0, NULL, true);
+	if (ret)
+		return -1;
+	priv->data_rate = 0;
+
+	/* get tx power */
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR,
+			       HostCmd_ACT_GEN_GET, 0, NULL, true);
+	if (ret)
+		return -1;
+
+	memset(&amsdu_aggr_ctrl, 0, sizeof(amsdu_aggr_ctrl));
+	amsdu_aggr_ctrl.enable = true;
+	/* Send request to firmware */
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_AMSDU_AGGR_CTRL,
+			       HostCmd_ACT_GEN_SET, 0,
+			       &amsdu_aggr_ctrl, true);
+	if (ret)
+		return -1;
+	/* MAC Control must be the last command in init_fw */
+	/* set MAC Control */
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
+			       HostCmd_ACT_GEN_SET, 0,
+			       &priv->curr_pkt_filter, true);
+	if (ret)
+		return -1;
+
+	if (!disable_auto_ds && first_sta &&
+	    priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
+		/* Enable auto deep sleep */
+		auto_ds.auto_ds = DEEP_SLEEP_ON;
+		auto_ds.idle_time = DEEP_SLEEP_IDLE_TIME;
+		ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
+				       EN_AUTO_PS, BITMAP_AUTO_DS,
+				       &auto_ds, true);
+		if (ret)
+			return -1;
+	}
+
+	if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
+		/* Send cmd to FW to enable/disable 11D function */
+		state_11d = ENABLE_11D;
+		ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB,
+				       HostCmd_ACT_GEN_SET, DOT11D_I,
+				       &state_11d, true);
+		if (ret)
+			mwifiex_dbg(priv->adapter, ERROR,
+				    "11D: failed to enable 11D\n");
+	}
+
+	/* Pacekt aggregation handshake with firmware */
+	if (aggr_ctrl) {
+		packet_aggr_enable = true;
+		mwifiex_send_cmd(priv, HostCmd_CMD_PACKET_AGGR_CTRL,
+				 HostCmd_ACT_GEN_SET, 0,
+				 &packet_aggr_enable, true);
+	}
+
+	/* Send cmd to FW to configure 11n specific configuration
+	 * (Short GI, Channel BW, Green field support etc.) for transmit
+	 */
+	tx_cfg.tx_htcap = MWIFIEX_FW_DEF_HTTXCFG;
+	ret = mwifiex_send_cmd(priv, HostCmd_CMD_11N_CFG,
+			       HostCmd_ACT_GEN_SET, 0, &tx_cfg, true);
+
+	if (init) {
+		/* set last_init_cmd before sending the command */
+		priv->adapter->last_init_cmd = HostCmd_CMD_11N_CFG;
+		ret = -EINPROGRESS;
+	}
+
+	return ret;
+}