[PATCH] Marvell Libertas 8388 802.11b/g USB driver

Add the Marvell Libertas 8388 802.11 USB driver.

Signed-off-by: Marcelo Tosatti <marcelo@kvack.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1958 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
new file mode 100644
index 00000000000..bfdac58b5c0
--- /dev/null
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -0,0 +1,1958 @@
+/**
+  * This file contains the handling of command.
+  * It prepares command and sends it to firmware when it is ready.
+  */
+
+#include <net/iw_handler.h>
+#include "host.h"
+#include "hostcmd.h"
+#include "sbi.h"
+#include "decl.h"
+#include "defs.h"
+#include "dev.h"
+#include "join.h"
+#include "wext.h"
+
+static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
+
+static u16 commands_allowed_in_ps[] = {
+	cmd_802_11_rssi,
+};
+
+/**
+ *  @brief This function checks if the commans is allowed
+ *  in PS mode not.
+ *
+ *  @param command the command ID
+ *  @return 	   TRUE or FALSE
+ */
+static u8 is_command_allowed_in_ps(u16 command)
+{
+	int count = sizeof(commands_allowed_in_ps)
+	    / sizeof(commands_allowed_in_ps[0]);
+	int i;
+
+	for (i = 0; i < count; i++) {
+		if (command == cpu_to_le16(commands_allowed_in_ps[i]))
+			return 1;
+	}
+
+	return 0;
+}
+
+static int wlan_cmd_hw_spec(wlan_private * priv, struct cmd_ds_command *cmd)
+{
+	struct cmd_ds_get_hw_spec *hwspec = &cmd->params.hwspec;
+
+	ENTER();
+
+	cmd->command = cpu_to_le16(cmd_get_hw_spec);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_get_hw_spec) + S_DS_GEN);
+	memcpy(hwspec->permanentaddr, priv->adapter->current_addr, ETH_ALEN);
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_ps_mode(wlan_private * priv,
+				   struct cmd_ds_command *cmd,
+				   u16 cmd_action)
+{
+	struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
+	u16 action = cmd_action;
+	wlan_adapter *adapter = priv->adapter;
+
+	ENTER();
+
+	cmd->command = cpu_to_le16(cmd_802_11_ps_mode);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) +
+			     S_DS_GEN);
+	psm->action = cpu_to_le16(cmd_action);
+	psm->multipledtim = 0;
+	switch (action) {
+	case cmd_subcmd_enter_ps:
+		lbs_pr_debug(1, "PS command:" "SubCode- Enter PS\n");
+		lbs_pr_debug(1, "locallisteninterval = %d\n",
+		       adapter->locallisteninterval);
+
+		psm->locallisteninterval =
+		    cpu_to_le16(adapter->locallisteninterval);
+		psm->nullpktinterval =
+		    cpu_to_le16(adapter->nullpktinterval);
+		psm->multipledtim =
+		    cpu_to_le16(priv->adapter->multipledtim);
+		break;
+
+	case cmd_subcmd_exit_ps:
+		lbs_pr_debug(1, "PS command:" "SubCode- Exit PS\n");
+		break;
+
+	case cmd_subcmd_sleep_confirmed:
+		lbs_pr_debug(1, "PS command: SubCode- sleep confirm\n");
+		break;
+
+	default:
+		break;
+	}
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_inactivity_timeout(wlan_private * priv,
+					      struct cmd_ds_command *cmd,
+					      u16 cmd_action, void *pdata_buf)
+{
+	u16 *timeout = pdata_buf;
+
+	cmd->command = cpu_to_le16(cmd_802_11_inactivity_timeout);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout)
+			     + S_DS_GEN);
+
+	cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
+
+	if (cmd_action)
+		cmd->params.inactivity_timeout.timeout =
+		    cpu_to_le16(*timeout);
+	else
+		cmd->params.inactivity_timeout.timeout = 0;
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_sleep_params(wlan_private * priv,
+					struct cmd_ds_command *cmd,
+					u16 cmd_action)
+{
+	wlan_adapter *adapter = priv->adapter;
+	struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
+
+	ENTER();
+
+	cmd->size =
+	    cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) +
+			     S_DS_GEN);
+	cmd->command = cpu_to_le16(cmd_802_11_sleep_params);
+
+	if (cmd_action == cmd_act_get) {
+		memset(&adapter->sp, 0, sizeof(struct sleep_params));
+		memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params));
+		sp->action = cpu_to_le16(cmd_action);
+	} else if (cmd_action == cmd_act_set) {
+		sp->action = cpu_to_le16(cmd_action);
+		sp->error = cpu_to_le16(adapter->sp.sp_error);
+		sp->offset = cpu_to_le16(adapter->sp.sp_offset);
+		sp->stabletime = cpu_to_le16(adapter->sp.sp_stabletime);
+		sp->calcontrol = (u8) adapter->sp.sp_calcontrol;
+		sp->externalsleepclk = (u8) adapter->sp.sp_extsleepclk;
+		sp->reserved = cpu_to_le16(adapter->sp.sp_reserved);
+	}
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_set_wep(wlan_private * priv,
+                                   struct cmd_ds_command *cmd,
+                                   u32 cmd_act,
+                                   void * pdata_buf)
+{
+	struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
+	wlan_adapter *adapter = priv->adapter;
+	int ret = 0;
+	struct assoc_request * assoc_req = pdata_buf;
+
+	ENTER();
+
+	cmd->command = cpu_to_le16(cmd_802_11_set_wep);
+	cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_set_wep))
+	                             + S_DS_GEN);
+
+	if (cmd_act == cmd_act_add) {
+		int i;
+
+		if (!assoc_req) {
+			lbs_pr_debug(1, "Invalid association request!");
+			ret = -1;
+			goto done;
+		}
+
+		wep->action = cpu_to_le16(cmd_act_add);
+
+		/* default tx key index */
+		wep->keyindex = cpu_to_le16((u16)
+				                 (assoc_req->wep_tx_keyidx &
+				                 (u32)cmd_WEP_KEY_INDEX_MASK));
+
+		lbs_pr_debug(1, "Tx key Index: %u\n", wep->keyindex);
+
+		/* Copy key types and material to host command structure */
+		for (i = 0; i < 4; i++) {
+			struct WLAN_802_11_KEY * pkey = &assoc_req->wep_keys[i];
+
+			switch (pkey->len) {
+			case KEY_LEN_WEP_40:
+				wep->keytype[i] = cmd_type_wep_40_bit;
+				memmove(&wep->keymaterial[i], pkey->key,
+				        pkey->len);
+				break;
+			case KEY_LEN_WEP_104:
+				wep->keytype[i] = cmd_type_wep_104_bit;
+				memmove(&wep->keymaterial[i], pkey->key,
+				        pkey->len);
+				break;
+			case 0:
+				break;
+			default:
+				lbs_pr_debug(1, "Invalid WEP key %d length of %d\n",
+				       i, pkey->len);
+				ret = -1;
+				goto done;
+				break;
+			}
+		}
+	} else if (cmd_act == cmd_act_remove) {
+		/* ACT_REMOVE clears _all_ WEP keys */
+		wep->action = cpu_to_le16(cmd_act_remove);
+
+		/* default tx key index */
+		wep->keyindex = cpu_to_le16((u16)
+				                 (adapter->wep_tx_keyidx &
+				                 (u32)cmd_WEP_KEY_INDEX_MASK));
+	}
+
+	ret = 0;
+
+done:
+	LEAVE();
+	return ret;
+}
+
+static int wlan_cmd_802_11_enable_rsn(wlan_private * priv,
+				      struct cmd_ds_command *cmd,
+				      u16 cmd_action)
+{
+	struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
+	wlan_adapter *adapter = priv->adapter;
+
+	cmd->command = cpu_to_le16(cmd_802_11_enable_rsn);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_enable_rsn) +
+			     S_DS_GEN);
+	penableRSN->action = cpu_to_le16(cmd_action);
+	if (adapter->secinfo.WPAenabled || adapter->secinfo.WPA2enabled) {
+		penableRSN->enable = cpu_to_le16(cmd_enable_rsn);
+	} else {
+		penableRSN->enable = cpu_to_le16(cmd_disable_rsn);
+	}
+
+	return 0;
+}
+
+
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
+                            struct WLAN_802_11_KEY * pkey)
+{
+	pkeyparamset->keytypeid = cpu_to_le16(pkey->type);
+
+	if (pkey->flags & KEY_INFO_WPA_ENABLED) {
+		pkeyparamset->keyinfo = cpu_to_le16(KEY_INFO_WPA_ENABLED);
+	} else {
+		pkeyparamset->keyinfo = cpu_to_le16(!KEY_INFO_WPA_ENABLED);
+	}
+
+	if (pkey->flags & KEY_INFO_WPA_UNICAST) {
+		pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
+	} else if (pkey->flags & KEY_INFO_WPA_MCAST) {
+		pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
+	}
+
+	pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+	pkeyparamset->keylen = cpu_to_le16(pkey->len);
+	memcpy(pkeyparamset->key, pkey->key, pkey->len);
+	pkeyparamset->length = cpu_to_le16(  sizeof(pkeyparamset->keytypeid)
+	                                        + sizeof(pkeyparamset->keyinfo)
+	                                        + sizeof(pkeyparamset->keylen)
+	                                        + sizeof(pkeyparamset->key));
+}
+
+static int wlan_cmd_802_11_key_material(wlan_private * priv,
+					struct cmd_ds_command *cmd,
+					u16 cmd_action,
+					u32 cmd_oid, void *pdata_buf)
+{
+	wlan_adapter *adapter = priv->adapter;
+	struct cmd_ds_802_11_key_material *pkeymaterial =
+	    &cmd->params.keymaterial;
+	int ret = 0;
+	int index = 0;
+
+	ENTER();
+
+	cmd->command = cpu_to_le16(cmd_802_11_key_material);
+	pkeymaterial->action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == cmd_act_get) {
+		cmd->size = cpu_to_le16(  S_DS_GEN
+		                             + sizeof (pkeymaterial->action));
+		ret = 0;
+		goto done;
+	}
+
+	memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
+
+	if (adapter->wpa_unicast_key.len) {
+		set_one_wpa_key(&pkeymaterial->keyParamSet[index],
+		                &adapter->wpa_unicast_key);
+		index++;
+	}
+
+	if (adapter->wpa_mcast_key.len) {
+		set_one_wpa_key(&pkeymaterial->keyParamSet[index],
+		                &adapter->wpa_mcast_key);
+		index++;
+	}
+
+	cmd->size = cpu_to_le16(  S_DS_GEN
+	                             + sizeof (pkeymaterial->action)
+	                             + index * sizeof(struct MrvlIEtype_keyParamSet));
+
+	ret = 0;
+
+done:
+	LEAVE();
+	return ret;
+}
+
+static int wlan_cmd_802_11_reset(wlan_private * priv,
+				 struct cmd_ds_command *cmd, int cmd_action)
+{
+	struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
+
+	cmd->command = cpu_to_le16(cmd_802_11_reset);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN);
+	reset->action = cpu_to_le16(cmd_action);
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_get_log(wlan_private * priv,
+				   struct cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(cmd_802_11_get_log);
+	cmd->size =
+		cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN);
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_get_stat(wlan_private * priv,
+				    struct cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(cmd_802_11_get_stat);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) +
+			     S_DS_GEN);
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_snmp_mib(wlan_private * priv,
+				    struct cmd_ds_command *cmd,
+				    int cmd_action,
+				    int cmd_oid, void *pdata_buf)
+{
+	struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib;
+	wlan_adapter *adapter = priv->adapter;
+	u8 ucTemp;
+
+	ENTER();
+
+	lbs_pr_debug(1, "SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid);
+
+	cmd->command = cpu_to_le16(cmd_802_11_snmp_mib);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_snmp_mib) +
+			     S_DS_GEN);
+
+	switch (cmd_oid) {
+	case OID_802_11_INFRASTRUCTURE_MODE:
+	{
+		enum WLAN_802_11_NETWORK_INFRASTRUCTURE mode =
+			(enum WLAN_802_11_NETWORK_INFRASTRUCTURE) pdata_buf;
+		pSNMPMIB->querytype = cpu_to_le16(cmd_act_set);
+		pSNMPMIB->oid = cpu_to_le16((u16) desired_bsstype_i);
+		pSNMPMIB->bufsize = sizeof(u8);
+		if (mode == wlan802_11infrastructure)
+			ucTemp = SNMP_MIB_VALUE_INFRA;
+		else
+			ucTemp = SNMP_MIB_VALUE_ADHOC;
+
+		memmove(pSNMPMIB->value, &ucTemp, sizeof(u8));
+
+		break;
+	}
+
+	case OID_802_11D_ENABLE:
+		{
+			u32 ulTemp;
+
+			pSNMPMIB->oid = cpu_to_le16((u16) dot11d_i);
+
+			if (cmd_action == cmd_act_set) {
+				pSNMPMIB->querytype = cmd_act_set;
+				pSNMPMIB->bufsize = sizeof(u16);
+				ulTemp = *(u32 *)pdata_buf;
+				*((unsigned short *)(pSNMPMIB->value)) =
+				    cpu_to_le16((u16) ulTemp);
+			}
+			break;
+		}
+
+	case OID_802_11_FRAGMENTATION_THRESHOLD:
+		{
+			u32 ulTemp;
+
+			pSNMPMIB->oid = cpu_to_le16((u16) fragthresh_i);
+
+			if (cmd_action == cmd_act_get) {
+				pSNMPMIB->querytype =
+				    cpu_to_le16(cmd_act_get);
+			} else if (cmd_action == cmd_act_set) {
+				pSNMPMIB->querytype =
+				    cpu_to_le16(cmd_act_set);
+				pSNMPMIB->bufsize =
+				    cpu_to_le16(sizeof(u16));
+				ulTemp = *((u32 *) pdata_buf);
+				*((unsigned short *)(pSNMPMIB->value)) =
+				    cpu_to_le16((u16) ulTemp);
+
+			}
+
+			break;
+		}
+
+	case OID_802_11_RTS_THRESHOLD:
+		{
+
+			u32 ulTemp;
+			pSNMPMIB->oid = le16_to_cpu((u16) rtsthresh_i);
+
+			if (cmd_action == cmd_act_get) {
+				pSNMPMIB->querytype =
+				    cpu_to_le16(cmd_act_get);
+			} else if (cmd_action == cmd_act_set) {
+				pSNMPMIB->querytype =
+				    cpu_to_le16(cmd_act_set);
+				pSNMPMIB->bufsize =
+				    cpu_to_le16(sizeof(u16));
+				ulTemp = *((u32 *)
+					   pdata_buf);
+				*(unsigned short *)(pSNMPMIB->value) =
+				    cpu_to_le16((u16) ulTemp);
+
+			}
+			break;
+		}
+	case OID_802_11_TX_RETRYCOUNT:
+		pSNMPMIB->oid = cpu_to_le16((u16) short_retrylim_i);
+
+		if (cmd_action == cmd_act_get) {
+			pSNMPMIB->querytype =
+			    cpu_to_le16(cmd_act_get);
+		} else if (cmd_action == cmd_act_set) {
+			pSNMPMIB->querytype =
+			    cpu_to_le16(cmd_act_set);
+			pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16));
+			*((unsigned short *)(pSNMPMIB->value)) =
+			    cpu_to_le16((u16) adapter->txretrycount);
+		}
+
+		break;
+	default:
+		break;
+	}
+
+	lbs_pr_debug(1,
+	       "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n",
+	       cmd->command, cmd->size, cmd->seqnum, cmd->result);
+
+	lbs_pr_debug(1,
+	       "SNMP_CMD: action=0x%x, oid=0x%x, oidsize=0x%x, value=0x%x\n",
+	       pSNMPMIB->querytype, pSNMPMIB->oid, pSNMPMIB->bufsize,
+	       *(u16 *) pSNMPMIB->value);
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_radio_control(wlan_private * priv,
+					 struct cmd_ds_command *cmd,
+					 int cmd_action)
+{
+	wlan_adapter *adapter = priv->adapter;
+	struct cmd_ds_802_11_radio_control *pradiocontrol =
+	    &cmd->params.radio;
+
+	ENTER();
+
+	cmd->size =
+	    cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) +
+			     S_DS_GEN);
+	cmd->command = cpu_to_le16(cmd_802_11_radio_control);
+
+	pradiocontrol->action = cpu_to_le16(cmd_action);
+
+	switch (adapter->preamble) {
+	case cmd_type_short_preamble:
+		pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE);
+		break;
+
+	case cmd_type_long_preamble:
+		pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE);
+		break;
+
+	case cmd_type_auto_preamble:
+	default:
+		pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE);
+		break;
+	}
+
+	if (adapter->radioon)
+		pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
+	else
+		pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_rf_tx_power(wlan_private * priv,
+				       struct cmd_ds_command *cmd,
+				       u16 cmd_action, void *pdata_buf)
+{
+
+	struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp;
+
+	ENTER();
+
+	cmd->size =
+	    cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) +
+			     S_DS_GEN);
+	cmd->command = cpu_to_le16(cmd_802_11_rf_tx_power);
+	prtp->action = cmd_action;
+
+	lbs_pr_debug(1, "RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", cmd->size,
+	       cmd->command, prtp->action);
+
+	switch (cmd_action) {
+	case cmd_act_tx_power_opt_get:
+		prtp->action = cpu_to_le16(cmd_act_get);
+		prtp->currentlevel = 0;
+		break;
+
+	case cmd_act_tx_power_opt_set_high:
+		prtp->action = cpu_to_le16(cmd_act_set);
+		prtp->currentlevel =
+		    cpu_to_le16(cmd_act_tx_power_index_high);
+		break;
+
+	case cmd_act_tx_power_opt_set_mid:
+		prtp->action = cpu_to_le16(cmd_act_set);
+		prtp->currentlevel =
+		    cpu_to_le16(cmd_act_tx_power_index_mid);
+		break;
+
+	case cmd_act_tx_power_opt_set_low:
+		prtp->action = cpu_to_le16(cmd_act_set);
+		prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf));
+		break;
+	}
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_rf_antenna(wlan_private * priv,
+				      struct cmd_ds_command *cmd,
+				      u16 cmd_action, void *pdata_buf)
+{
+	struct cmd_ds_802_11_rf_antenna *rant = &cmd->params.rant;
+
+	cmd->command = cpu_to_le16(cmd_802_11_rf_antenna);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_antenna) +
+			     S_DS_GEN);
+
+	rant->action = cpu_to_le16(cmd_action);
+	if ((cmd_action == cmd_act_set_rx) ||
+	    (cmd_action == cmd_act_set_tx)) {
+		rant->antennamode =
+		    cpu_to_le16((u16) (*(u32 *) pdata_buf));
+	}
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_rate_adapt_rateset(wlan_private * priv,
+					      struct cmd_ds_command *cmd,
+					      u16 cmd_action)
+{
+	struct cmd_ds_802_11_rate_adapt_rateset
+	*rateadapt = &cmd->params.rateset;
+	wlan_adapter *adapter = priv->adapter;
+
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset)
+			     + S_DS_GEN);
+	cmd->command = cpu_to_le16(cmd_802_11_rate_adapt_rateset);
+
+	ENTER();
+
+	rateadapt->action = cmd_action;
+	rateadapt->enablehwauto = adapter->enablehwauto;
+	rateadapt->bitmap = adapter->ratebitmap;
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_data_rate(wlan_private * priv,
+				     struct cmd_ds_command *cmd,
+				     u16 cmd_action)
+{
+	struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
+	wlan_adapter *adapter = priv->adapter;
+	u16 action = cmd_action;
+
+	ENTER();
+
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
+			     S_DS_GEN);
+
+	cmd->command = cpu_to_le16(cmd_802_11_data_rate);
+
+	memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
+
+	pdatarate->action = cpu_to_le16(cmd_action);
+
+	if (action == cmd_act_set_tx_fix_rate) {
+		pdatarate->datarate[0] = libertas_data_rate_to_index(adapter->datarate);
+		lbs_pr_debug(1, "Setting FW for fixed rate 0x%02X\n",
+		       adapter->datarate);
+	} else if (action == cmd_act_set_tx_auto) {
+		lbs_pr_debug(1, "Setting FW for AUTO rate\n");
+	}
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_mac_multicast_adr(wlan_private * priv,
+				      struct cmd_ds_command *cmd,
+				      u16 cmd_action)
+{
+	struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr;
+	wlan_adapter *adapter = priv->adapter;
+
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) +
+			     S_DS_GEN);
+	cmd->command = cpu_to_le16(cmd_mac_multicast_adr);
+
+	pMCastAdr->action = cpu_to_le16(cmd_action);
+	pMCastAdr->nr_of_adrs =
+	    cpu_to_le16((u16) adapter->nr_of_multicastmacaddr);
+	memcpy(pMCastAdr->maclist, adapter->multicastlist,
+	       adapter->nr_of_multicastmacaddr * ETH_ALEN);
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_rf_channel(wlan_private * priv,
+				      struct cmd_ds_command *cmd,
+				      int option, void *pdata_buf)
+{
+	struct cmd_ds_802_11_rf_channel *rfchan = &cmd->params.rfchannel;
+
+	cmd->command = cpu_to_le16(cmd_802_11_rf_channel);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rf_channel)
+				     + S_DS_GEN);
+
+	if (option == cmd_opt_802_11_rf_channel_set) {
+		rfchan->currentchannel = cpu_to_le16(*((u16 *) pdata_buf));
+	}
+
+	rfchan->action = cpu_to_le16(option);
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_rssi(wlan_private * priv,
+				struct cmd_ds_command *cmd)
+{
+	wlan_adapter *adapter = priv->adapter;
+
+	cmd->command = cpu_to_le16(cmd_802_11_rssi);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
+	cmd->params.rssi.N = priv->adapter->bcn_avg_factor;
+
+	/* reset Beacon SNR/NF/RSSI values */
+	adapter->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
+	adapter->SNR[TYPE_BEACON][TYPE_AVG] = 0;
+	adapter->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
+	adapter->NF[TYPE_BEACON][TYPE_AVG] = 0;
+	adapter->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
+	adapter->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
+
+	return 0;
+}
+
+static int wlan_cmd_reg_access(wlan_private * priv,
+			       struct cmd_ds_command *cmdptr,
+			       u8 cmd_action, void *pdata_buf)
+{
+	struct wlan_offset_value *offval;
+
+	ENTER();
+
+	offval = (struct wlan_offset_value *)pdata_buf;
+
+	switch (cmdptr->command) {
+	case cmd_mac_reg_access:
+		{
+			struct cmd_ds_mac_reg_access *macreg;
+
+			cmdptr->size =
+			    cpu_to_le16(sizeof
+					     (struct cmd_ds_mac_reg_access)
+					     + S_DS_GEN);
+			macreg =
+			    (struct cmd_ds_mac_reg_access *)&cmdptr->params.
+			    macreg;
+
+			macreg->action = cpu_to_le16(cmd_action);
+			macreg->offset = cpu_to_le16((u16) offval->offset);
+			macreg->value = cpu_to_le32(offval->value);
+
+			break;
+		}
+
+	case cmd_bbp_reg_access:
+		{
+			struct cmd_ds_bbp_reg_access *bbpreg;
+
+			cmdptr->size =
+			    cpu_to_le16(sizeof
+					     (struct cmd_ds_bbp_reg_access)
+					     + S_DS_GEN);
+			bbpreg =
+			    (struct cmd_ds_bbp_reg_access *)&cmdptr->params.
+			    bbpreg;
+
+			bbpreg->action = cpu_to_le16(cmd_action);
+			bbpreg->offset = cpu_to_le16((u16) offval->offset);
+			bbpreg->value = (u8) offval->value;
+
+			break;
+		}
+
+	case cmd_rf_reg_access:
+		{
+			struct cmd_ds_rf_reg_access *rfreg;
+
+			cmdptr->size =
+			    cpu_to_le16(sizeof
+					     (struct cmd_ds_rf_reg_access) +
+					     S_DS_GEN);
+			rfreg =
+			    (struct cmd_ds_rf_reg_access *)&cmdptr->params.
+			    rfreg;
+
+			rfreg->action = cpu_to_le16(cmd_action);
+			rfreg->offset = cpu_to_le16((u16) offval->offset);
+			rfreg->value = (u8) offval->value;
+
+			break;
+		}
+
+	default:
+		break;
+	}
+
+	LEAVE();
+	return 0;
+}
+
+static int wlan_cmd_802_11_mac_address(wlan_private * priv,
+				       struct cmd_ds_command *cmd,
+				       u16 cmd_action)
+{
+	wlan_adapter *adapter = priv->adapter;
+
+	cmd->command = cpu_to_le16(cmd_802_11_mac_address);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) +
+			     S_DS_GEN);
+	cmd->result = 0;
+
+	cmd->params.macadd.action = cpu_to_le16(cmd_action);
+
+	if (cmd_action == cmd_act_set) {
+		memcpy(cmd->params.macadd.macadd,
+		       adapter->current_addr, ETH_ALEN);
+		lbs_dbg_hex("SET_CMD: MAC ADDRESS-", adapter->current_addr, 6);
+	}
+
+	return 0;
+}
+
+static int wlan_cmd_802_11_eeprom_access(wlan_private * priv,
+					 struct cmd_ds_command *cmd,
+					 int cmd_action, void *pdata_buf)
+{
+	struct wlan_ioctl_regrdwr *ea = pdata_buf;
+
+	ENTER();
+
+	cmd->command = cpu_to_le16(cmd_802_11_eeprom_access);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) +
+			     S_DS_GEN);
+	cmd->result = 0;
+
+	cmd->params.rdeeprom.action = cpu_to_le16(ea->action);
+	cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset);
+	cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB);
+	cmd->params.rdeeprom.value = 0;
+
+	return 0;
+}
+
+static int wlan_cmd_bt_access(wlan_private * priv,
+			       struct cmd_ds_command *cmd,
+			       u16 cmd_action, void *pdata_buf)
+{
+	struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
+	lbs_pr_debug(1, "BT CMD(%d)\n", cmd_action);
+
+	cmd->command = cpu_to_le16(cmd_bt_access);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access)
+				     + S_DS_GEN);
+	cmd->result = 0;
+	bt_access->action = cpu_to_le16(cmd_action);
+
+	switch (cmd_action) {
+	case cmd_act_bt_access_add:
+		memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN);
+		lbs_dbg_hex("BT_ADD: blinded mac address-", bt_access->addr1, 6);
+		break;
+	case cmd_act_bt_access_del:
+		memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN);
+		lbs_dbg_hex("BT_DEL: blinded mac address-", bt_access->addr1, 6);
+		break;
+	case cmd_act_bt_access_list:
+		bt_access->id = cpu_to_le32(*(u32 *) pdata_buf);
+		break;
+	case cmd_act_bt_access_reset:
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int wlan_cmd_fwt_access(wlan_private * priv,
+			       struct cmd_ds_command *cmd,
+			       u16 cmd_action, void *pdata_buf)
+{
+	struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
+	lbs_pr_debug(1, "FWT CMD(%d)\n", cmd_action);
+
+	cmd->command = cpu_to_le16(cmd_fwt_access);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access)
+				     + S_DS_GEN);
+	cmd->result = 0;
+
+	if (pdata_buf)
+		memcpy(fwt_access, pdata_buf, sizeof(*fwt_access));
+	else
+		memset(fwt_access, 0, sizeof(*fwt_access));
+
+	fwt_access->action = cpu_to_le16(cmd_action);
+
+	return 0;
+}
+
+static int wlan_cmd_mesh_access(wlan_private * priv,
+				struct cmd_ds_command *cmd,
+				u16 cmd_action, void *pdata_buf)
+{
+	struct cmd_ds_mesh_access *mesh_access = &cmd->params.mesh;
+	lbs_pr_debug(1, "FWT CMD(%d)\n", cmd_action);
+
+	cmd->command = cpu_to_le16(cmd_mesh_access);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access)
+				     + S_DS_GEN);
+	cmd->result = 0;
+
+	if (pdata_buf)
+		memcpy(mesh_access, pdata_buf, sizeof(*mesh_access));
+	else
+		memset(mesh_access, 0, sizeof(*mesh_access));
+
+	mesh_access->action = cpu_to_le16(cmd_action);
+
+	return 0;
+}
+
+void libertas_queue_cmd(wlan_adapter * adapter, struct cmd_ctrl_node *cmdnode, u8 addtail)
+{
+	unsigned long flags;
+	struct cmd_ds_command *cmdptr;
+
+	ENTER();
+
+	if (!cmdnode) {
+		lbs_pr_debug(1, "QUEUE_CMD: cmdnode is NULL\n");
+		goto done;
+	}
+
+	cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+	if (!cmdptr) {
+		lbs_pr_debug(1, "QUEUE_CMD: cmdptr is NULL\n");
+		goto done;
+	}
+
+	/* Exit_PS command needs to be queued in the header always. */
+	if (cmdptr->command == cmd_802_11_ps_mode) {
+		struct cmd_ds_802_11_ps_mode *psm = &cmdptr->params.psmode;
+		if (psm->action == cmd_subcmd_exit_ps) {
+			if (adapter->psstate != PS_STATE_FULL_POWER)
+				addtail = 0;
+		}
+	}
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+
+	if (addtail)
+		list_add_tail((struct list_head *)cmdnode,
+			      &adapter->cmdpendingq);
+	else
+		list_add((struct list_head *)cmdnode, &adapter->cmdpendingq);
+
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+	lbs_pr_debug(1, "QUEUE_CMD: Inserted node=0x%x, cmd=0x%x in cmdpendingq\n",
+	       (u32) cmdnode,
+	       ((struct cmd_ds_gen*)cmdnode->bufvirtualaddr)->command);
+
+done:
+	LEAVE();
+	return;
+}
+
+/*
+ * TODO: Fix the issue when DownloadcommandToStation is being called the
+ * second time when the command timesout. All the cmdptr->xxx are in little
+ * endian and therefore all the comparissions will fail.
+ * For now - we are not performing the endian conversion the second time - but
+ * for PS and DEEP_SLEEP we need to worry
+ */
+static int DownloadcommandToStation(wlan_private * priv,
+				    struct cmd_ctrl_node *cmdnode)
+{
+	unsigned long flags;
+	struct cmd_ds_command *cmdptr;
+	wlan_adapter *adapter = priv->adapter;
+	int ret = 0;
+	u16 cmdsize;
+	u16 command;
+
+	ENTER();
+
+	if (!adapter || !cmdnode) {
+		lbs_pr_debug(1, "DNLD_CMD: adapter = %#x, cmdnode = %#x\n",
+		       (int)adapter, (int)cmdnode);
+		if (cmdnode) {
+			spin_lock_irqsave(&adapter->driver_lock, flags);
+			__libertas_cleanup_and_insert_cmd(priv, cmdnode);
+			spin_unlock_irqrestore(&adapter->driver_lock, flags);
+		}
+		ret = -1;
+		goto done;
+	}
+
+	cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+	if (!cmdptr || !cmdptr->size) {
+		lbs_pr_debug(1, "DNLD_CMD: cmdptr is Null or cmd size is Zero, "
+		       "Not sending\n");
+		__libertas_cleanup_and_insert_cmd(priv, cmdnode);
+		spin_unlock_irqrestore(&adapter->driver_lock, flags);
+		ret = -1;
+		goto done;
+	}
+
+	adapter->cur_cmd = cmdnode;
+	adapter->cur_cmd_retcode = 0;
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+	lbs_pr_debug(1, "DNLD_CMD:: Before download, size of cmd = %d\n",
+	       cmdptr->size);
+
+	cmdsize = cmdptr->size;
+
+	command = cpu_to_le16(cmdptr->command);
+
+	cmdnode->cmdwaitqwoken = 0;
+	cmdsize = cpu_to_le16(cmdsize);
+
+	ret = libertas_sbi_host_to_card(priv, MVMS_CMD, (u8 *) cmdptr, cmdsize);
+
+	if (ret != 0) {
+		lbs_pr_debug(1, "DNLD_CMD: Host to Card failed\n");
+		spin_lock_irqsave(&adapter->driver_lock, flags);
+		__libertas_cleanup_and_insert_cmd(priv, adapter->cur_cmd);
+		adapter->cur_cmd = NULL;
+		spin_unlock_irqrestore(&adapter->driver_lock, flags);
+		ret = -1;
+		goto done;
+	}
+
+	lbs_pr_debug(1, "DNLD_CMD: Sent command 0x%x @ %lu\n", command, jiffies);
+	lbs_dbg_hex("DNLD_CMD: command", cmdnode->bufvirtualaddr, cmdsize);
+
+	/* Setup the timer after transmit command */
+	if (command == cmd_802_11_scan
+	    || command == cmd_802_11_authenticate
+	    || command == cmd_802_11_associate)
+		mod_timer(&adapter->command_timer, jiffies + (10*HZ));
+	else
+		mod_timer(&adapter->command_timer, jiffies + (5*HZ));
+
+	ret = 0;
+
+      done:
+	LEAVE();
+	return ret;
+}
+
+static int wlan_cmd_mac_control(wlan_private * priv,
+				struct cmd_ds_command *cmd)
+{
+	struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
+
+	ENTER();
+
+	cmd->command = cpu_to_le16(cmd_mac_control);
+	cmd->size =
+	    cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN);
+	mac->action = cpu_to_le16(priv->adapter->currentpacketfilter);
+
+	lbs_pr_debug(1, "wlan_cmd_mac_control(): action=0x%X size=%d\n",
+	       mac->action, cmd->size);
+
+	LEAVE();
+	return 0;
+}
+
+/**
+ *  This function inserts command node to cmdfreeq
+ *  after cleans it. Requires adapter->driver_lock held.
+ */
+void __libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
+{
+	wlan_adapter *adapter = priv->adapter;
+
+	if (!ptempcmd)
+		goto done;
+
+	cleanup_cmdnode(ptempcmd);
+	list_add_tail((struct list_head *)ptempcmd, &adapter->cmdfreeq);
+done:
+	return;
+}
+
+void libertas_cleanup_and_insert_cmd(wlan_private * priv, struct cmd_ctrl_node *ptempcmd)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->adapter->driver_lock, flags);
+	__libertas_cleanup_and_insert_cmd(priv, ptempcmd);
+	spin_unlock_irqrestore(&priv->adapter->driver_lock, flags);
+}
+
+int libertas_set_radio_control(wlan_private * priv)
+{
+	int ret = 0;
+
+	ENTER();
+
+	ret = libertas_prepare_and_send_command(priv,
+				    cmd_802_11_radio_control,
+				    cmd_act_set,
+				    cmd_option_waitforrsp, 0, NULL);
+
+	lbs_pr_debug(1, "RADIO_SET: on or off: 0x%X, preamble = 0x%X\n",
+	       priv->adapter->radioon, priv->adapter->preamble);
+
+	LEAVE();
+	return ret;
+}
+
+int libertas_set_mac_packet_filter(wlan_private * priv)
+{
+	int ret = 0;
+
+	ENTER();
+
+	lbs_pr_debug(1, "libertas_set_mac_packet_filter value = %x\n",
+	       priv->adapter->currentpacketfilter);
+
+	/* Send MAC control command to station */
+	ret = libertas_prepare_and_send_command(priv,
+				    cmd_mac_control, 0, 0, 0, NULL);
+
+	LEAVE();
+	return ret;
+}
+
+/**
+ *  @brief This function prepare the command before send to firmware.
+ *
+ *  @param priv		A pointer to wlan_private structure
+ *  @param cmd_no	command number
+ *  @param cmd_action	command action: GET or SET
+ *  @param wait_option	wait option: wait response or not
+ *  @param cmd_oid	cmd oid: treated as sub command
+ *  @param pdata_buf	A pointer to informaion buffer
+ *  @return 		0 or -1
+ */
+int libertas_prepare_and_send_command(wlan_private * priv,
+			  u16 cmd_no,
+			  u16 cmd_action,
+			  u16 wait_option, u32 cmd_oid, void *pdata_buf)
+{
+	int ret = 0;
+	wlan_adapter *adapter = priv->adapter;
+	struct cmd_ctrl_node *cmdnode;
+	struct cmd_ds_command *cmdptr;
+	unsigned long flags;
+
+	ENTER();
+
+	if (!adapter) {
+		lbs_pr_debug(1, "PREP_CMD: adapter is Null\n");
+		ret = -1;
+		goto done;
+	}
+
+	if (adapter->surpriseremoved) {
+		lbs_pr_debug(1, "PREP_CMD: Card is Removed\n");
+		ret = -1;
+		goto done;
+	}
+
+	cmdnode = libertas_get_free_cmd_ctrl_node(priv);
+
+	if (cmdnode == NULL) {
+		lbs_pr_debug(1, "PREP_CMD: No free cmdnode\n");
+
+		/* Wake up main thread to execute next command */
+		wake_up_interruptible(&priv->mainthread.waitq);
+		ret = -1;
+		goto done;
+	}
+
+	libertas_set_cmd_ctrl_node(priv, cmdnode, cmd_oid, wait_option, pdata_buf);
+
+	cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+
+	lbs_pr_debug(1, "PREP_CMD: Val of cmd ptr =0x%x, command=0x%X\n",
+	       (u32) cmdptr, cmd_no);
+
+	if (!cmdptr) {
+		lbs_pr_debug(1, "PREP_CMD: bufvirtualaddr of cmdnode is NULL\n");
+		libertas_cleanup_and_insert_cmd(priv, cmdnode);
+		ret = -1;
+		goto done;
+	}
+
+	/* Set sequence number, command and INT option */
+	adapter->seqnum++;
+	cmdptr->seqnum = cpu_to_le16(adapter->seqnum);
+
+	cmdptr->command = cmd_no;
+	cmdptr->result = 0;
+
+	switch (cmd_no) {
+	case cmd_get_hw_spec:
+		ret = wlan_cmd_hw_spec(priv, cmdptr);
+		break;
+	case cmd_802_11_ps_mode:
+		ret = wlan_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
+		break;
+
+	case cmd_802_11_scan:
+		ret = libertas_cmd_80211_scan(priv, cmdptr, pdata_buf);
+		break;
+
+	case cmd_mac_control:
+		ret = wlan_cmd_mac_control(priv, cmdptr);
+		break;
+
+	case cmd_802_11_associate:
+	case cmd_802_11_reassociate:
+		ret = libertas_cmd_80211_associate(priv, cmdptr, pdata_buf);
+		break;
+
+	case cmd_802_11_deauthenticate:
+		ret = libertas_cmd_80211_deauthenticate(priv, cmdptr);
+		break;
+
+	case cmd_802_11_set_wep:
+		ret = wlan_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
+		break;
+
+	case cmd_802_11_ad_hoc_start:
+		ret = libertas_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
+		break;
+	case cmd_code_dnld:
+		break;
+
+	case cmd_802_11_reset:
+		ret = wlan_cmd_802_11_reset(priv, cmdptr, cmd_action);
+		break;
+
+	case cmd_802_11_get_log:
+		ret = wlan_cmd_802_11_get_log(priv, cmdptr);
+		break;
+
+	case cmd_802_11_authenticate:
+		ret = libertas_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
+		break;
+
+	case cmd_802_11_get_stat:
+		ret = wlan_cmd_802_11_get_stat(priv, cmdptr);
+		break;
+
+	case cmd_802_11_snmp_mib:
+		ret = wlan_cmd_802_11_snmp_mib(priv, cmdptr,
+					       cmd_action, cmd_oid, pdata_buf);
+		break;
+
+	case cmd_mac_reg_access:
+	case cmd_bbp_reg_access:
+	case cmd_rf_reg_access:
+		ret = wlan_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
+		break;
+
+	case cmd_802_11_rf_channel:
+		ret = wlan_cmd_802_11_rf_channel(priv, cmdptr,
+						 cmd_action, pdata_buf);
+		break;
+
+	case cmd_802_11_rf_tx_power:
+		ret = wlan_cmd_802_11_rf_tx_power(priv, cmdptr,
+						  cmd_action, pdata_buf);
+		break;
+
+	case cmd_802_11_radio_control:
+		ret = wlan_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
+		break;
+
+	case cmd_802_11_rf_antenna:
+		ret = wlan_cmd_802_11_rf_antenna(priv, cmdptr,
+						 cmd_action, pdata_buf);
+		break;
+
+	case cmd_802_11_data_rate:
+		ret = wlan_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
+		break;
+	case cmd_802_11_rate_adapt_rateset:
+		ret = wlan_cmd_802_11_rate_adapt_rateset(priv,
+							 cmdptr, cmd_action);
+		break;
+
+	case cmd_mac_multicast_adr:
+		ret = wlan_cmd_mac_multicast_adr(priv, cmdptr, cmd_action);
+		break;
+
+	case cmd_802_11_ad_hoc_join:
+		ret = libertas_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
+		break;
+
+	case cmd_802_11_rssi:
+		ret = wlan_cmd_802_11_rssi(priv, cmdptr);
+		break;
+
+	case cmd_802_11_ad_hoc_stop:
+		ret = libertas_cmd_80211_ad_hoc_stop(priv, cmdptr);
+		break;
+
+	case cmd_802_11_enable_rsn:
+		ret = wlan_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action);
+		break;
+
+	case cmd_802_11_key_material:
+		ret = wlan_cmd_802_11_key_material(priv, cmdptr,
+						   cmd_action, cmd_oid,
+						   pdata_buf);
+		break;
+
+	case cmd_802_11_pairwise_tsc:
+		break;
+	case cmd_802_11_group_tsc:
+		break;
+
+	case cmd_802_11_mac_address:
+		ret = wlan_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
+		break;
+
+	case cmd_802_11_eeprom_access:
+		ret = wlan_cmd_802_11_eeprom_access(priv, cmdptr,
+						    cmd_action, pdata_buf);
+		break;
+
+	case cmd_802_11_set_afc:
+	case cmd_802_11_get_afc:
+
+		cmdptr->command = cpu_to_le16(cmd_no);
+		cmdptr->size =
+		    cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) +
+				     S_DS_GEN);
+
+		memmove(&cmdptr->params.afc,
+			pdata_buf, sizeof(struct cmd_ds_802_11_afc));
+
+		ret = 0;
+		goto done;
+
+	case cmd_802_11d_domain_info:
+		ret = libertas_cmd_802_11d_domain_info(priv, cmdptr,
+						   cmd_no, cmd_action);
+		break;
+
+	case cmd_802_11_sleep_params:
+		ret = wlan_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
+		break;
+	case cmd_802_11_inactivity_timeout:
+		ret = wlan_cmd_802_11_inactivity_timeout(priv, cmdptr,
+							 cmd_action, pdata_buf);
+		libertas_set_cmd_ctrl_node(priv, cmdnode, 0, 0, pdata_buf);
+		break;
+
+	case cmd_802_11_tpc_cfg:
+		cmdptr->command = cpu_to_le16(cmd_802_11_tpc_cfg);
+		cmdptr->size =
+		    cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) +
+				     S_DS_GEN);
+
+		memmove(&cmdptr->params.tpccfg,
+			pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg));
+
+		ret = 0;
+		break;
+	case cmd_802_11_led_gpio_ctrl:
+		{
+			struct mrvlietypes_ledgpio *gpio =
+			    (struct mrvlietypes_ledgpio*)
+			    cmdptr->params.ledgpio.data;
+
+			memmove(&cmdptr->params.ledgpio,
+				pdata_buf,
+				sizeof(struct cmd_ds_802_11_led_ctrl));
+
+			cmdptr->command =
+			    cpu_to_le16(cmd_802_11_led_gpio_ctrl);
+
+#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8
+			cmdptr->size =
+			    cpu_to_le16(gpio->header.len + S_DS_GEN +
+					     ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN);
+			gpio->header.len = cpu_to_le16(gpio->header.len);
+
+			ret = 0;
+			break;
+		}
+	case cmd_802_11_pwr_cfg:
+		cmdptr->command = cpu_to_le16(cmd_802_11_pwr_cfg);
+		cmdptr->size =
+		    cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) +
+				     S_DS_GEN);
+		memmove(&cmdptr->params.pwrcfg, pdata_buf,
+			sizeof(struct cmd_ds_802_11_pwr_cfg));
+
+		ret = 0;
+		break;
+	case cmd_bt_access:
+		ret = wlan_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
+		break;
+
+	case cmd_fwt_access:
+		ret = wlan_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
+		break;
+
+	case cmd_mesh_access:
+		ret = wlan_cmd_mesh_access(priv, cmdptr, cmd_action, pdata_buf);
+		break;
+
+	case cmd_get_tsf:
+		cmdptr->command = cpu_to_le16(cmd_get_tsf);
+		cmdptr->size =
+		    cpu_to_le16(sizeof(struct cmd_ds_get_tsf)
+				     + S_DS_GEN);
+		ret = 0;
+		break;
+	case cmd_802_11_tx_rate_query:
+		cmdptr->command =
+		    cpu_to_le16(cmd_802_11_tx_rate_query);
+		cmdptr->size =
+		    cpu_to_le16(sizeof(struct cmd_tx_rate_query) +
+				     S_DS_GEN);
+		adapter->txrate = 0;
+		ret = 0;
+		break;
+	default:
+		lbs_pr_debug(1, "PREP_CMD: unknown command- %#x\n", cmd_no);
+		ret = -1;
+		break;
+	}
+
+	/* return error, since the command preparation failed */
+	if (ret != 0) {
+		lbs_pr_debug(1, "PREP_CMD: command preparation failed\n");
+		libertas_cleanup_and_insert_cmd(priv, cmdnode);
+		ret = -1;
+		goto done;
+	}
+
+	cmdnode->cmdwaitqwoken = 0;
+
+	libertas_queue_cmd(adapter, cmdnode, 1);
+	adapter->nr_cmd_pending++;
+	wake_up_interruptible(&priv->mainthread.waitq);
+
+	if (wait_option & cmd_option_waitforrsp) {
+		lbs_pr_debug(1, "PREP_CMD: Wait for CMD response\n");
+		might_sleep();
+		wait_event_interruptible(cmdnode->cmdwait_q,
+					 cmdnode->cmdwaitqwoken);
+	}
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+	if (adapter->cur_cmd_retcode) {
+		lbs_pr_debug(1, "PREP_CMD: command failed with return code=%d\n",
+		       adapter->cur_cmd_retcode);
+		adapter->cur_cmd_retcode = 0;
+		ret = -1;
+	}
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+done:
+	LEAVE();
+	return ret;
+}
+
+/**
+ *  @brief This function allocates the command buffer and link
+ *  it to command free queue.
+ *
+ *  @param priv		A pointer to wlan_private structure
+ *  @return 		0 or -1
+ */
+int libertas_allocate_cmd_buffer(wlan_private * priv)
+{
+	int ret = 0;
+	u32 ulbufsize;
+	u32 i;
+	struct cmd_ctrl_node *tempcmd_array;
+	u8 *ptempvirtualaddr;
+	wlan_adapter *adapter = priv->adapter;
+
+	ENTER();
+
+	/* Allocate and initialize cmdCtrlNode */
+	ulbufsize = sizeof(struct cmd_ctrl_node) * MRVDRV_NUM_OF_CMD_BUFFER;
+
+	if (!(tempcmd_array = kmalloc(ulbufsize, GFP_KERNEL))) {
+		lbs_pr_debug(1,
+		       "ALLOC_CMD_BUF: failed to allocate tempcmd_array\n");
+		ret = -1;
+		goto done;
+	}
+
+	adapter->cmd_array = tempcmd_array;
+	memset(adapter->cmd_array, 0, ulbufsize);
+
+	/* Allocate and initialize command buffers */
+	ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
+	for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
+		if (!(ptempvirtualaddr = kmalloc(ulbufsize, GFP_KERNEL))) {
+			lbs_pr_debug(1,
+			       "ALLOC_CMD_BUF: ptempvirtualaddr: out of memory\n");
+			ret = -1;
+			goto done;
+		}
+
+		memset(ptempvirtualaddr, 0, ulbufsize);
+
+		/* Update command buffer virtual */
+		tempcmd_array[i].bufvirtualaddr = ptempvirtualaddr;
+	}
+
+	for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
+		init_waitqueue_head(&tempcmd_array[i].cmdwait_q);
+		libertas_cleanup_and_insert_cmd(priv, &tempcmd_array[i]);
+	}
+
+	ret = 0;
+      done:
+	LEAVE();
+	return ret;
+}
+
+/**
+ *  @brief This function frees the command buffer.
+ *
+ *  @param priv		A pointer to wlan_private structure
+ *  @return 		0 or -1
+ */
+int libertas_free_cmd_buffer(wlan_private * priv)
+{
+	u32 ulbufsize;
+	unsigned int i;
+	struct cmd_ctrl_node *tempcmd_array;
+	wlan_adapter *adapter = priv->adapter;
+
+	ENTER();
+
+	/* need to check if cmd array is allocated or not */
+	if (adapter->cmd_array == NULL) {
+		lbs_pr_debug(1, "FREE_CMD_BUF: cmd_array is Null\n");
+		goto done;
+	}
+
+	tempcmd_array = adapter->cmd_array;
+
+	/* Release shared memory buffers */
+	ulbufsize = MRVDRV_SIZE_OF_CMD_BUFFER;
+	for (i = 0; i < MRVDRV_NUM_OF_CMD_BUFFER; i++) {
+		if (tempcmd_array[i].bufvirtualaddr) {
+			lbs_pr_debug(1, "Free all the array\n");
+			kfree(tempcmd_array[i].bufvirtualaddr);
+			tempcmd_array[i].bufvirtualaddr = NULL;
+		}
+	}
+
+	/* Release cmd_ctrl_node */
+	if (adapter->cmd_array) {
+		lbs_pr_debug(1, "Free cmd_array\n");
+		kfree(adapter->cmd_array);
+		adapter->cmd_array = NULL;
+	}
+
+done:
+	LEAVE();
+	return 0;
+}
+
+/**
+ *  @brief This function gets a free command node if available in
+ *  command free queue.
+ *
+ *  @param priv		A pointer to wlan_private structure
+ *  @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
+ */
+struct cmd_ctrl_node *libertas_get_free_cmd_ctrl_node(wlan_private * priv)
+{
+	struct cmd_ctrl_node *tempnode;
+	wlan_adapter *adapter = priv->adapter;
+	unsigned long flags;
+
+	if (!adapter)
+		return NULL;
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+
+	if (!list_empty(&adapter->cmdfreeq)) {
+		tempnode = (struct cmd_ctrl_node *)adapter->cmdfreeq.next;
+		list_del((struct list_head *)tempnode);
+	} else {
+		lbs_pr_debug(1, "GET_CMD_NODE: cmd_ctrl_node is not available\n");
+		tempnode = NULL;
+	}
+
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+	if (tempnode) {
+		lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode available\n");
+		lbs_pr_debug(3, "GET_CMD_NODE: cmdCtrlNode Address = %p\n",
+		       tempnode);
+		cleanup_cmdnode(tempnode);
+	}
+
+	return tempnode;
+}
+
+/**
+ *  @brief This function cleans command node.
+ *
+ *  @param ptempnode	A pointer to cmdCtrlNode structure
+ *  @return 		n/a
+ */
+static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode)
+{
+	if (!ptempnode)
+		return;
+	ptempnode->cmdwaitqwoken = 1;
+	wake_up_interruptible(&ptempnode->cmdwait_q);
+	ptempnode->status = 0;
+	ptempnode->cmd_oid = (u32) 0;
+	ptempnode->wait_option = 0;
+	ptempnode->pdata_buf = NULL;
+
+	if (ptempnode->bufvirtualaddr != NULL)
+		memset(ptempnode->bufvirtualaddr, 0, MRVDRV_SIZE_OF_CMD_BUFFER);
+	return;
+}
+
+/**
+ *  @brief This function initializes the command node.
+ *
+ *  @param priv		A pointer to wlan_private structure
+ *  @param ptempnode	A pointer to cmd_ctrl_node structure
+ *  @param cmd_oid	cmd oid: treated as sub command
+ *  @param wait_option	wait option: wait response or not
+ *  @param pdata_buf	A pointer to informaion buffer
+ *  @return 		0 or -1
+ */
+void libertas_set_cmd_ctrl_node(wlan_private * priv,
+		    struct cmd_ctrl_node *ptempnode,
+		    u32 cmd_oid, u16 wait_option, void *pdata_buf)
+{
+	ENTER();
+
+	if (!ptempnode)
+		return;
+
+	ptempnode->cmd_oid = cmd_oid;
+	ptempnode->wait_option = wait_option;
+	ptempnode->pdata_buf = pdata_buf;
+
+	LEAVE();
+}
+
+/**
+ *  @brief This function executes next command in command
+ *  pending queue. It will put fimware back to PS mode
+ *  if applicable.
+ *
+ *  @param priv     A pointer to wlan_private structure
+ *  @return 	   0 or -1
+ */
+int libertas_execute_next_command(wlan_private * priv)
+{
+	wlan_adapter *adapter = priv->adapter;
+	struct cmd_ctrl_node *cmdnode = NULL;
+	struct cmd_ds_command *cmdptr;
+	unsigned long flags;
+	int ret = 0;
+
+	lbs_pr_debug(1, "libertas_execute_next_command\n");
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+
+	if (adapter->cur_cmd) {
+		lbs_pr_alert( "EXEC_NEXT_CMD: there is command in processing!\n");
+		spin_unlock_irqrestore(&adapter->driver_lock, flags);
+		ret = -1;
+		goto done;
+	}
+
+	if (!list_empty(&adapter->cmdpendingq)) {
+		cmdnode = (struct cmd_ctrl_node *)
+		    adapter->cmdpendingq.next;
+	}
+
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+	if (cmdnode) {
+		lbs_pr_debug(1,
+		       "EXEC_NEXT_CMD: Got next command from cmdpendingq\n");
+		cmdptr = (struct cmd_ds_command *)cmdnode->bufvirtualaddr;
+
+		if (is_command_allowed_in_ps(cmdptr->command)) {
+			if ((adapter->psstate == PS_STATE_SLEEP)
+			    || (adapter->psstate == PS_STATE_PRE_SLEEP)
+			    ) {
+				lbs_pr_debug(1,
+				       "EXEC_NEXT_CMD: Cannot send cmd 0x%x in psstate %d\n",
+				       cmdptr->command, adapter->psstate);
+				ret = -1;
+				goto done;
+			}
+			lbs_pr_debug(1, "EXEC_NEXT_CMD: OK to send command "
+			       "0x%x in psstate %d\n",
+			       cmdptr->command, adapter->psstate);
+		} else if (adapter->psstate != PS_STATE_FULL_POWER) {
+			/*
+			 * 1. Non-PS command:
+			 * Queue it. set needtowakeup to TRUE if current state
+			 * is SLEEP, otherwise call libertas_ps_wakeup to send Exit_PS.
+			 * 2. PS command but not Exit_PS:
+			 * Ignore it.
+			 * 3. PS command Exit_PS:
+			 * Set needtowakeup to TRUE if current state is SLEEP,
+			 * otherwise send this command down to firmware
+			 * immediately.
+			 */
+			if (cmdptr->command !=
+			    cpu_to_le16(cmd_802_11_ps_mode)) {
+				/*  Prepare to send Exit PS,
+				 *  this non PS command will be sent later */
+				if ((adapter->psstate == PS_STATE_SLEEP)
+				    || (adapter->psstate == PS_STATE_PRE_SLEEP)
+				    ) {
+					/* w/ new scheme, it will not reach here.
+					   since it is blocked in main_thread. */
+					adapter->needtowakeup = 1;
+				} else
+					libertas_ps_wakeup(priv, 0);
+
+				ret = 0;
+				goto done;
+			} else {
+				/*
+				 * PS command. Ignore it if it is not Exit_PS.
+				 * otherwise send it down immediately.
+				 */
+				struct cmd_ds_802_11_ps_mode *psm =
+				    &cmdptr->params.psmode;
+
+				lbs_pr_debug(1,
+				       "EXEC_NEXT_CMD: PS cmd- action=0x%x\n",
+				       psm->action);
+				if (psm->action !=
+				    cpu_to_le16(cmd_subcmd_exit_ps)) {
+					lbs_pr_debug(1,
+					       "EXEC_NEXT_CMD: Ignore Enter PS cmd\n");
+					list_del((struct list_head *)cmdnode);
+					libertas_cleanup_and_insert_cmd(priv, cmdnode);
+
+					ret = 0;
+					goto done;
+				}
+
+				if ((adapter->psstate == PS_STATE_SLEEP)
+				    || (adapter->psstate == PS_STATE_PRE_SLEEP)
+				    ) {
+					lbs_pr_debug(1,
+					       "EXEC_NEXT_CMD: Ignore ExitPS cmd in sleep\n");
+					list_del((struct list_head *)cmdnode);
+					libertas_cleanup_and_insert_cmd(priv, cmdnode);
+					adapter->needtowakeup = 1;
+
+					ret = 0;
+					goto done;
+				}
+
+				lbs_pr_debug(1,
+				       "EXEC_NEXT_CMD: Sending Exit_PS down...\n");
+			}
+		}
+		list_del((struct list_head *)cmdnode);
+		lbs_pr_debug(1, "EXEC_NEXT_CMD: Sending 0x%04X command\n",
+		       cmdptr->command);
+		DownloadcommandToStation(priv, cmdnode);
+	} else {
+		/*
+		 * check if in power save mode, if yes, put the device back
+		 * to PS mode
+		 */
+		if ((adapter->psmode != wlan802_11powermodecam) &&
+		    (adapter->psstate == PS_STATE_FULL_POWER) &&
+		    (adapter->connect_status == libertas_connected)) {
+			if (adapter->secinfo.WPAenabled
+			    || adapter->secinfo.WPA2enabled) {
+				/* check for valid WPA group keys */
+				if (adapter->wpa_mcast_key.len
+				    || adapter->wpa_unicast_key.len) {
+					lbs_pr_debug(1,
+					       "EXEC_NEXT_CMD: WPA enabled and GTK_SET"
+					       " go back to PS_SLEEP");
+					libertas_ps_sleep(priv, 0);
+				}
+			} else {
+				lbs_pr_debug(1,
+				       "EXEC_NEXT_CMD: command PendQ is empty,"
+				       " go back to PS_SLEEP");
+				libertas_ps_sleep(priv, 0);
+			}
+		}
+	}
+
+	ret = 0;
+done:
+	return ret;
+}
+
+void libertas_send_iwevcustom_event(wlan_private * priv, s8 * str)
+{
+	union iwreq_data iwrq;
+	u8 buf[50];
+
+	ENTER();
+
+	memset(&iwrq, 0, sizeof(union iwreq_data));
+	memset(buf, 0, sizeof(buf));
+
+	snprintf(buf, sizeof(buf) - 1, "%s", str);
+
+	iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN;
+
+	/* Send Event to upper layer */
+	lbs_pr_debug(1, "Event Indication string = %s\n",
+	       (char *)buf);
+	lbs_pr_debug(1, "Event Indication String length = %d\n", iwrq.data.length);
+
+	lbs_pr_debug(1, "Sending wireless event IWEVCUSTOM for %s\n", str);
+	wireless_send_event(priv->wlan_dev.netdev, IWEVCUSTOM, &iwrq, buf);
+
+	LEAVE();
+	return;
+}
+
+static int sendconfirmsleep(wlan_private * priv, u8 * cmdptr, u16 size)
+{
+	unsigned long flags;
+	wlan_adapter *adapter = priv->adapter;
+	int ret = 0;
+
+	ENTER();
+
+	lbs_pr_debug(1, "SEND_SLEEPC_CMD: Before download, size of cmd = %d\n",
+	       size);
+
+	lbs_dbg_hex("SEND_SLEEPC_CMD: Sleep confirm command", cmdptr, size);
+
+	ret = libertas_sbi_host_to_card(priv, MVMS_CMD, cmdptr, size);
+	priv->wlan_dev.dnld_sent = DNLD_RES_RECEIVED;
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+	if (adapter->intcounter || adapter->currenttxskb)
+		lbs_pr_debug(1, "SEND_SLEEPC_CMD: intcounter=%d currenttxskb=%p\n",
+		       adapter->intcounter, adapter->currenttxskb);
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+	if (ret) {
+		lbs_pr_alert(
+		       "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
+	} else {
+		spin_lock_irqsave(&adapter->driver_lock, flags);
+		if (!adapter->intcounter) {
+			adapter->psstate = PS_STATE_SLEEP;
+		} else {
+			lbs_pr_debug(1, "SEND_SLEEPC_CMD: After sent,IntC=%d\n",
+			       adapter->intcounter);
+		}
+		spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+		lbs_pr_debug(1, "SEND_SLEEPC_CMD: Sent Confirm Sleep command\n");
+		lbs_pr_debug(1, "+");
+	}
+
+	LEAVE();
+	return ret;
+}
+
+void libertas_ps_sleep(wlan_private * priv, int wait_option)
+{
+
+	ENTER();
+
+	/*
+	 * PS is currently supported only in Infrastructure mode
+	 * Remove this check if it is to be supported in IBSS mode also
+	 */
+
+	libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
+			      cmd_subcmd_enter_ps, wait_option, 0, NULL);
+
+	LEAVE();
+	return;
+}
+
+/**
+ *  @brief This function sends Eixt_PS command to firmware.
+ *
+ *  @param priv    	A pointer to wlan_private structure
+ *  @param wait_option	wait response or not
+ *  @return 	   	n/a
+ */
+void libertas_ps_wakeup(wlan_private * priv, int wait_option)
+{
+	enum WLAN_802_11_POWER_MODE Localpsmode;
+
+	ENTER();
+
+	Localpsmode = wlan802_11powermodecam;
+
+	lbs_pr_debug(1, "Exit_PS: Localpsmode = %d\n", Localpsmode);
+
+	libertas_prepare_and_send_command(priv, cmd_802_11_ps_mode,
+			      cmd_subcmd_exit_ps,
+			      wait_option, 0, &Localpsmode);
+
+	LEAVE();
+	return;
+}
+
+/**
+ *  @brief This function checks condition and prepares to
+ *  send sleep confirm command to firmware if ok.
+ *
+ *  @param priv    	A pointer to wlan_private structure
+ *  @param psmode  	Power Saving mode
+ *  @return 	   	n/a
+ */
+void libertas_ps_confirm_sleep(wlan_private * priv, u16 psmode)
+{
+	unsigned long flags =0;
+	wlan_adapter *adapter = priv->adapter;
+	u8 allowed = 1;
+
+	ENTER();
+
+	if (priv->wlan_dev.dnld_sent) {
+		allowed = 0;
+		lbs_pr_debug(1, "D");
+	}
+
+	spin_lock_irqsave(&adapter->driver_lock, flags);
+	if (adapter->cur_cmd) {
+		allowed = 0;
+		lbs_pr_debug(1, "C");
+	}
+	if (adapter->intcounter > 0) {
+		allowed = 0;
+		lbs_pr_debug(1, "I%d", adapter->intcounter);
+	}
+	spin_unlock_irqrestore(&adapter->driver_lock, flags);
+
+	if (allowed) {
+		lbs_pr_debug(1, "Sending libertas_ps_confirm_sleep\n");
+		sendconfirmsleep(priv, (u8 *) & adapter->libertas_ps_confirm_sleep,
+				 sizeof(struct PS_CMD_ConfirmSleep));
+	} else {
+		lbs_pr_debug(1, "Sleep Confirm has been delayed\n");
+	}
+
+	LEAVE();
+}