X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/7a4bdab85080df3e4a39ed3cf6d7e5ee325a26d2..5276efbdd3a9121de14a3588a915feaf15263ef9:/package/libertas/src/cmd.c

diff --git a/package/libertas/src/cmd.c b/package/libertas/src/cmd.c
index 01d23493b..8124fd9b1 100644
--- a/package/libertas/src/cmd.c
+++ b/package/libertas/src/cmd.c
@@ -4,20 +4,57 @@
   */
 
 #include <net/iw_handler.h>
+#include <linux/kfifo.h>
 #include "host.h"
 #include "hostcmd.h"
 #include "decl.h"
 #include "defs.h"
 #include "dev.h"
-#include "join.h"
+#include "assoc.h"
 #include "wext.h"
 #include "cmd.h"
 
-static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode);
 static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv);
-static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
-		    struct cmd_ctrl_node *ptempnode,
-		    u16 wait_option, void *pdata_buf);
+
+
+/**
+ *  @brief Simple callback that copies response back into command
+ *
+ *  @param priv    	A pointer to struct lbs_private structure
+ *  @param extra  	A pointer to the original command structure for which
+ *                      'resp' is a response
+ *  @param resp         A pointer to the command response
+ *
+ *  @return 	   	0 on success, error on failure
+ */
+int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
+		     struct cmd_header *resp)
+{
+	struct cmd_header *buf = (void *)extra;
+	uint16_t copy_len;
+
+	copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
+	memcpy(buf, resp, copy_len);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
+
+/**
+ *  @brief Simple callback that ignores the result. Use this if
+ *  you just want to send a command to the hardware, but don't
+ *  care for the result.
+ *
+ *  @param priv         ignored
+ *  @param extra        ignored
+ *  @param resp         ignored
+ *
+ *  @return 	   	0 for success
+ */
+static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
+		     struct cmd_header *resp)
+{
+	return 0;
+}
 
 
 /**
@@ -56,18 +93,29 @@ int lbs_update_hw_spec(struct lbs_private *priv)
 	memset(&cmd, 0, sizeof(cmd));
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 	memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN);
-	ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd);
+	ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, &cmd);
 	if (ret)
 		goto out;
 
 	priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo);
-	memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4);
 
-	lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n",
-		    priv->fwreleasenumber[2], priv->fwreleasenumber[1],
-		    priv->fwreleasenumber[0], priv->fwreleasenumber[3]);
-	lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n",
-		    print_mac(mac, cmd.permanentaddr));
+	/* The firmware release is in an interesting format: the patch
+	 * level is in the most significant nibble ... so fix that: */
+	priv->fwrelease = le32_to_cpu(cmd.fwrelease);
+	priv->fwrelease = (priv->fwrelease << 8) |
+		(priv->fwrelease >> 24 & 0xff);
+
+	/* Some firmware capabilities:
+	 * CF card    firmware 5.0.16p0:   cap 0x00000303
+	 * USB dongle firmware 5.110.17p2: cap 0x00000303
+	 */
+	printk("libertas: %s, fw %u.%u.%up%u, cap 0x%08x\n",
+		print_mac(mac, cmd.permanentaddr),
+		priv->fwrelease >> 24 & 0xff,
+		priv->fwrelease >> 16 & 0xff,
+		priv->fwrelease >>  8 & 0xff,
+		priv->fwrelease       & 0xff,
+		priv->fwcapinfo);
 	lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n",
 		    cmd.hwifversion, cmd.version);
 
@@ -111,8 +159,29 @@ out:
 	return ret;
 }
 
-static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
-				   struct cmd_ds_command *cmd,
+int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
+{
+	struct cmd_ds_host_sleep cmd_config;
+	int ret;
+
+	cmd_config.hdr.size = cpu_to_le16(sizeof(cmd_config));
+	cmd_config.criteria = cpu_to_le32(criteria);
+	cmd_config.gpio = priv->wol_gpio;
+	cmd_config.gap = priv->wol_gap;
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_HOST_SLEEP_CFG, &cmd_config);
+	if (!ret) {
+		lbs_deb_cmd("Set WOL criteria to %x\n", criteria);
+		priv->wol_criteria = criteria;
+	} else {
+		lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
+
+static int lbs_cmd_802_11_ps_mode(struct cmd_ds_command *cmd,
 				   u16 cmd_action)
 {
 	struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode;
@@ -150,281 +219,267 @@ static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
-					      struct cmd_ds_command *cmd,
-					      u16 cmd_action, void *pdata_buf)
+int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv,
+				      uint16_t cmd_action, uint16_t *timeout)
 {
-	u16 *timeout = pdata_buf;
+	struct cmd_ds_802_11_inactivity_timeout cmd;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	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.hdr.command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
-	cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action);
+	cmd.action = cpu_to_le16(cmd_action);
 
-	if (cmd_action)
-		cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout);
+	if (cmd_action == CMD_ACT_SET)
+		cmd.timeout = cpu_to_le16(*timeout);
 	else
-		cmd->params.inactivity_timeout.timeout = 0;
+		cmd.timeout = 0;
 
-	lbs_deb_leave(LBS_DEB_CMD);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_INACTIVITY_TIMEOUT, &cmd);
+
+	if (!ret)
+		*timeout = le16_to_cpu(cmd.timeout);
+
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return 0;
 }
 
-static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv,
-					struct cmd_ds_command *cmd,
-					u16 cmd_action)
+int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, uint16_t cmd_action,
+				struct sleep_params *sp)
 {
-	struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params;
+	struct cmd_ds_802_11_sleep_params cmd;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	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(&priv->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(priv->sp.sp_error);
-		sp->offset = cpu_to_le16(priv->sp.sp_offset);
-		sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime);
-		sp->calcontrol = (u8) priv->sp.sp_calcontrol;
-		sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk;
-		sp->reserved = cpu_to_le16(priv->sp.sp_reserved);
+		memset(&cmd, 0, sizeof(cmd));
+	} else {
+		cmd.error = cpu_to_le16(sp->sp_error);
+		cmd.offset = cpu_to_le16(sp->sp_offset);
+		cmd.stabletime = cpu_to_le16(sp->sp_stabletime);
+		cmd.calcontrol = sp->sp_calcontrol;
+		cmd.externalsleepclk = sp->sp_extsleepclk;
+		cmd.reserved = cpu_to_le16(sp->sp_reserved);
+	}
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(cmd_action);
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_SLEEP_PARAMS, &cmd);
+
+	if (!ret) {
+		lbs_deb_cmd("error 0x%x, offset 0x%x, stabletime 0x%x, "
+			    "calcontrol 0x%x extsleepclk 0x%x\n",
+			    le16_to_cpu(cmd.error), le16_to_cpu(cmd.offset),
+			    le16_to_cpu(cmd.stabletime), cmd.calcontrol,
+			    cmd.externalsleepclk);
+
+		sp->sp_error = le16_to_cpu(cmd.error);
+		sp->sp_offset = le16_to_cpu(cmd.offset);
+		sp->sp_stabletime = le16_to_cpu(cmd.stabletime);
+		sp->sp_calcontrol = cmd.calcontrol;
+		sp->sp_extsleepclk = cmd.externalsleepclk;
+		sp->sp_reserved = le16_to_cpu(cmd.reserved);
 	}
 
-	lbs_deb_leave(LBS_DEB_CMD);
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return 0;
 }
 
-static int lbs_cmd_802_11_set_wep(struct lbs_private *priv,
-                                   struct cmd_ds_command *cmd,
-                                   u32 cmd_act,
-                                   void * pdata_buf)
+int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
+			   struct assoc_request *assoc)
 {
-	struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep;
+	struct cmd_ds_802_11_set_wep cmd;
 	int ret = 0;
-	struct assoc_request * assoc_req = pdata_buf;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	cmd->command = cpu_to_le16(CMD_802_11_SET_WEP);
-	cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN);
-
-	if (cmd_act == CMD_ACT_ADD) {
-		int i;
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
-		if (!assoc_req) {
-			lbs_deb_cmd("Invalid association request!");
-			ret = -1;
-			goto done;
-		}
+	cmd.action = cpu_to_le16(cmd_action);
 
-		wep->action = cpu_to_le16(CMD_ACT_ADD);
+	if (cmd_action == CMD_ACT_ADD) {
+		int i;
 
 		/* default tx key index */
-		wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx &
-						  (u32)CMD_WEP_KEY_INDEX_MASK));
+		cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
+					   CMD_WEP_KEY_INDEX_MASK);
 
 		/* Copy key types and material to host command structure */
 		for (i = 0; i < 4; i++) {
-			struct enc_key * pkey = &assoc_req->wep_keys[i];
+			struct enc_key *pkey = &assoc->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);
+				cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
+				memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 				lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
 				break;
 			case KEY_LEN_WEP_104:
-				wep->keytype[i] = CMD_TYPE_WEP_104_BIT;
-				memmove(&wep->keymaterial[i], pkey->key,
-				        pkey->len);
+				cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
+				memmove(cmd.keymaterial[i], pkey->key, pkey->len);
 				lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
 				break;
 			case 0:
 				break;
 			default:
 				lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
-				       i, pkey->len);
+					    i, pkey->len);
 				ret = -1;
 				goto done;
 				break;
 			}
 		}
-	} else if (cmd_act == CMD_ACT_REMOVE) {
+	} else if (cmd_action == 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)(priv->wep_tx_keyidx &
-						  (u32)CMD_WEP_KEY_INDEX_MASK));
+		cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
+					   CMD_WEP_KEY_INDEX_MASK);
 		lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
 	}
 
-	ret = 0;
-
+	ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
 done:
 	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return ret;
 }
 
-static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv,
-				      struct cmd_ds_command *cmd,
-				      u16 cmd_action,
-				      void * pdata_buf)
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+			      uint16_t *enable)
 {
-	struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn;
-	u32 * enable = pdata_buf;
+	struct cmd_ds_802_11_enable_rsn cmd;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN);
-	cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN);
-	penableRSN->action = cpu_to_le16(cmd_action);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(cmd_action);
 
-	if (cmd_action == CMD_ACT_SET) {
+	if (cmd_action == CMD_ACT_GET)
+		cmd.enable = 0;
+	else {
 		if (*enable)
-			penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN);
+			cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 		else
-			penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN);
+			cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
 		lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
 	}
 
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
+	ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
+	if (!ret && cmd_action == CMD_ACT_GET)
+		*enable = le16_to_cpu(cmd.enable);
 
-static ssize_t lbs_tlv_size(const u8 *tlv, u16 size)
-{
-	ssize_t pos = 0;
-	struct mrvlietypesheader *tlv_h;
-	while (pos < size) {
-		u16 length;
-		tlv_h = (struct mrvlietypesheader *) tlv;
-		if (tlv_h->len == 0)
-			return pos;
-		length = le16_to_cpu(tlv_h->len) +
-			sizeof(struct mrvlietypesheader);
-		pos += length;
-		tlv += length;
-	}
-	return pos;
+	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+	return ret;
 }
 
-
-static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv,
-	struct cmd_ds_command *cmd, u16 cmd_action,
-	void *pdata_buf)
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
+                            struct enc_key *key)
 {
-	struct cmd_ds_802_11_subscribe_event *events =
-		(struct cmd_ds_802_11_subscribe_event *) pdata_buf;
-
-	/* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room
-	 * for various Marvell TLVs */
-
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	cmd->size = cpu_to_le16(sizeof(*events)
-			- sizeof(events->tlv)
-			+ S_DS_GEN);
-	cmd->params.subscribe_event.action = cpu_to_le16(cmd_action);
-	if (cmd_action == CMD_ACT_GET) {
-		cmd->params.subscribe_event.events = 0;
-	} else {
-		ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv));
-		cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz);
-		cmd->params.subscribe_event.events = events->events;
-		memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz);
-	}
-
-	lbs_deb_leave(LBS_DEB_CMD);
-}
+	if (key->flags & KEY_INFO_WPA_ENABLED)
+		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
+	if (key->flags & KEY_INFO_WPA_UNICAST)
+		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
+	if (key->flags & KEY_INFO_WPA_MCAST)
+		keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
 
-static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
-                            struct enc_key * pkey)
-{
-	lbs_deb_enter(LBS_DEB_CMD);
+	keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+	keyparam->keytypeid = cpu_to_le16(key->type);
+	keyparam->keylen = cpu_to_le16(key->len);
+	memcpy(keyparam->key, key->key, key->len);
 
-	if (pkey->flags & KEY_INFO_WPA_ENABLED) {
-		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);
-	}
-	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->keytypeid = cpu_to_le16(pkey->type);
-	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));
+	/* Length field doesn't include the {type,length} header */
+	keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
 	lbs_deb_leave(LBS_DEB_CMD);
 }
 
-static int lbs_cmd_802_11_key_material(struct lbs_private *priv,
-					struct cmd_ds_command *cmd,
-					u16 cmd_action,
-					u32 cmd_oid, void *pdata_buf)
+int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
+				struct assoc_request *assoc)
 {
-	struct cmd_ds_802_11_key_material *pkeymaterial =
-	    &cmd->params.keymaterial;
-	struct assoc_request * assoc_req = pdata_buf;
+	struct cmd_ds_802_11_key_material cmd;
 	int ret = 0;
 	int index = 0;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL);
-	pkeymaterial->action = cpu_to_le16(cmd_action);
+	cmd.action = cpu_to_le16(cmd_action);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
 	if (cmd_action == CMD_ACT_GET) {
-		cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action));
-		ret = 0;
-		goto done;
-	}
+		cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
+	} else {
+		memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
 
-	memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet));
+		if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
+			set_one_wpa_key(&cmd.keyParamSet[index],
+					&assoc->wpa_unicast_key);
+			index++;
+		}
 
-	if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
-		set_one_wpa_key(&pkeymaterial->keyParamSet[index],
-		                &assoc_req->wpa_unicast_key);
-		index++;
-	}
+		if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
+			set_one_wpa_key(&cmd.keyParamSet[index],
+					&assoc->wpa_mcast_key);
+			index++;
+		}
 
-	if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
-		set_one_wpa_key(&pkeymaterial->keyParamSet[index],
-		                &assoc_req->wpa_mcast_key);
-		index++;
+		/* The common header and as many keys as we included */
+		cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
+						    keyParamSet[index]));
 	}
+	ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
+	/* Copy the returned key to driver private data */
+	if (!ret && cmd_action == CMD_ACT_GET) {
+		void *buf_ptr = cmd.keyParamSet;
+		void *resp_end = &(&cmd)[1];
+
+		while (buf_ptr < resp_end) {
+			struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
+			struct enc_key *key;
+			uint16_t param_set_len = le16_to_cpu(keyparam->length);
+			uint16_t key_len = le16_to_cpu(keyparam->keylen);
+			uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
+			uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
+			void *end;
+
+			end = (void *)keyparam + sizeof(keyparam->type)
+				+ sizeof(keyparam->length) + param_set_len;
+
+			/* Make sure we don't access past the end of the IEs */
+			if (end > resp_end)
+				break;
 
-	cmd->size = cpu_to_le16(  S_DS_GEN
-	                        + sizeof (pkeymaterial->action)
-	                        + (index * sizeof(struct MrvlIEtype_keyParamSet)));
+			if (key_flags & KEY_INFO_WPA_UNICAST)
+				key = &priv->wpa_unicast_key;
+			else if (key_flags & KEY_INFO_WPA_MCAST)
+				key = &priv->wpa_mcast_key;
+			else
+				break;
 
-	ret = 0;
+			/* Copy returned key into driver */
+			memset(key, 0, sizeof(struct enc_key));
+			if (key_len > sizeof(key->key))
+				break;
+			key->type = key_type;
+			key->flags = key_flags;
+			key->len = key_len;
+			memcpy(key->key, keyparam->key, key->len);
+
+			buf_ptr = end + 1;
+		}
+	}
 
-done:
 	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return ret;
 }
 
-static int lbs_cmd_802_11_reset(struct lbs_private *priv,
-				 struct cmd_ds_command *cmd, int cmd_action)
+static int lbs_cmd_802_11_reset(struct cmd_ds_command *cmd, int cmd_action)
 {
 	struct cmd_ds_802_11_reset *reset = &cmd->params.reset;
 
@@ -438,30 +493,6 @@ static int lbs_cmd_802_11_reset(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_802_11_get_log(struct lbs_private *priv,
-				   struct cmd_ds_command *cmd)
-{
-	lbs_deb_enter(LBS_DEB_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);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_cmd_802_11_get_stat(struct lbs_private *priv,
-				    struct cmd_ds_command *cmd)
-{
-	lbs_deb_enter(LBS_DEB_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);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
 static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 				    struct cmd_ds_command *cmd,
 				    int cmd_action,
@@ -582,47 +613,7 @@ static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_802_11_radio_control(struct lbs_private *priv,
-					 struct cmd_ds_command *cmd,
-					 int cmd_action)
-{
-	struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	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 (priv->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 (priv->radioon)
-		pradiocontrol->control |= cpu_to_le16(TURN_ON_RF);
-	else
-		pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
-				       struct cmd_ds_command *cmd,
+static int lbs_cmd_802_11_rf_tx_power(struct cmd_ds_command *cmd,
 				       u16 cmd_action, void *pdata_buf)
 {
 
@@ -665,8 +656,7 @@ static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv,
-				      struct cmd_ds_command *cmd,
+static int lbs_cmd_802_11_monitor_mode(struct cmd_ds_command *cmd,
 				      u16 cmd_action, void *pdata_buf)
 {
 	struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor;
@@ -724,7 +714,7 @@ int lbs_get_data_rate(struct lbs_private *priv)
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 	cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
 
-	ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 	if (ret)
 		goto out;
 
@@ -771,7 +761,7 @@ int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
 		lbs_deb_cmd("DATA_RATE: setting auto\n");
 	}
 
-	ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
 	if (ret)
 		goto out;
 
@@ -824,10 +814,11 @@ int lbs_get_channel(struct lbs_private *priv)
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
+	memset(&cmd, 0, sizeof(cmd));
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 	cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET);
 
-	ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 	if (ret)
 		goto out;
 
@@ -839,6 +830,22 @@ out:
 	return ret;
 }
 
+int lbs_update_channel(struct lbs_private *priv)
+{
+	int ret;
+
+	/* the channel in f/w could be out of sync; get the current channel */
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	ret = lbs_get_channel(priv);
+	if (ret > 0) {
+		priv->curbssparams.channel = ret;
+		ret = 0;
+	}
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
 /**
  *  @brief Set the radio channel
  *
@@ -855,11 +862,12 @@ int lbs_set_channel(struct lbs_private *priv, u8 channel)
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
+	memset(&cmd, 0, sizeof(cmd));
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 	cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET);
 	cmd.channel = cpu_to_le16(channel);
 
-	ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, &cmd);
 	if (ret)
 		goto out;
 
@@ -893,8 +901,7 @@ static int lbs_cmd_802_11_rssi(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_reg_access(struct lbs_private *priv,
-			       struct cmd_ds_command *cmdptr,
+static int lbs_cmd_reg_access(struct cmd_ds_command *cmdptr,
 			       u8 cmd_action, void *pdata_buf)
 {
 	struct lbs_offset_value *offval;
@@ -968,53 +975,7 @@ static int lbs_cmd_reg_access(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_802_11_mac_address(struct lbs_private *priv,
-				       struct cmd_ds_command *cmd,
-				       u16 cmd_action)
-{
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	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,
-		       priv->current_addr, ETH_ALEN);
-		lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6);
-	}
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv,
-					 struct cmd_ds_command *cmd,
-					 int cmd_action, void *pdata_buf)
-{
-	struct lbs_ioctl_regrdwr *ea = pdata_buf;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	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;
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_cmd_bt_access(struct lbs_private *priv,
-			       struct cmd_ds_command *cmd,
+static int lbs_cmd_bt_access(struct cmd_ds_command *cmd,
 			       u16 cmd_action, void *pdata_buf)
 {
 	struct cmd_ds_bt_access *bt_access = &cmd->params.bt;
@@ -1051,8 +1012,7 @@ static int lbs_cmd_bt_access(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_cmd_fwt_access(struct lbs_private *priv,
-			       struct cmd_ds_command *cmd,
+static int lbs_cmd_fwt_access(struct cmd_ds_command *cmd,
 			       u16 cmd_action, void *pdata_buf)
 {
 	struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt;
@@ -1081,33 +1041,35 @@ int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
 	lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action);
 
 	cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS);
-	cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN);
+	cmd->hdr.size = cpu_to_le16(sizeof(*cmd));
 	cmd->hdr.result = 0;
 
 	cmd->action = cpu_to_le16(cmd_action);
 
-	ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd));
+	ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, cmd);
 
 	lbs_deb_leave(LBS_DEB_CMD);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(lbs_mesh_access);
 
-int lbs_mesh_config(struct lbs_private *priv, int enable)
+int lbs_mesh_config(struct lbs_private *priv, uint16_t enable, uint16_t chan)
 {
 	struct cmd_ds_mesh_config cmd;
 
 	memset(&cmd, 0, sizeof(cmd));
 	cmd.action = cpu_to_le16(enable);
-	cmd.channel = cpu_to_le16(priv->curbssparams.channel);
-	cmd.type = cpu_to_le16(0x100 + 37);
-	
+	cmd.channel = cpu_to_le16(chan);
+	cmd.type = cpu_to_le16(priv->mesh_tlv);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
 	if (enable) {
 		cmd.length = cpu_to_le16(priv->mesh_ssid_len);
 		memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len);
 	}
-
-	return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd);
+	lbs_deb_cmd("mesh config enable %d TLV %x channel %d SSID %s\n",
+		    enable, priv->mesh_tlv, chan,
+		    escape_essid(priv->mesh_ssid, priv->mesh_ssid_len));
+	return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, &cmd);
 }
 
 static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
@@ -1131,26 +1093,27 @@ static int lbs_cmd_bcn_ctrl(struct lbs_private * priv,
 	return 0;
 }
 
-/*
- * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for
- * the command timer, because it does not account for queued commands.
- */
-void lbs_queue_cmd(struct lbs_private *priv,
-	struct cmd_ctrl_node *cmdnode,
-	u8 addtail)
+static void lbs_queue_cmd(struct lbs_private *priv,
+			  struct cmd_ctrl_node *cmdnode)
 {
 	unsigned long flags;
+	int addtail = 1;
 
 	lbs_deb_enter(LBS_DEB_HOST);
 
-	if (!cmdnode || !cmdnode->cmdbuf) {
-		lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n");
+	if (!cmdnode) {
+		lbs_deb_host("QUEUE_CMD: cmdnode is NULL\n");
 		goto done;
 	}
+	if (!cmdnode->cmdbuf->size) {
+		lbs_deb_host("DNLD_CMD: cmd size is zero\n");
+		goto done;
+	}
+	cmdnode->result = 0;
 
 	/* Exit_PS command needs to be queued in the header always. */
 	if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) {
-		struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf;
+		struct cmd_ds_802_11_ps_mode *psm = (void *) &cmdnode->cmdbuf[1];
 
 		if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) {
 			if (priv->psstate != PS_STATE_FULL_POWER)
@@ -1168,45 +1131,27 @@ void lbs_queue_cmd(struct lbs_private *priv,
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 
 	lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n",
-	       le16_to_cpu(cmdnode->cmdbuf->command));
+		     le16_to_cpu(cmdnode->cmdbuf->command));
 
 done:
 	lbs_deb_leave(LBS_DEB_HOST);
 }
 
-/*
- * TODO: Fix the issue when DownloadcommandToStation is being called the
- * second time when the command times out. 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(struct lbs_private *priv,
-				    struct cmd_ctrl_node *cmdnode)
+static void lbs_submit_command(struct lbs_private *priv,
+			       struct cmd_ctrl_node *cmdnode)
 {
 	unsigned long flags;
 	struct cmd_header *cmd;
-	int ret = -1;
-	u16 cmdsize;
-	u16 command;
+	uint16_t cmdsize;
+	uint16_t command;
+	int timeo = 5 * HZ;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_HOST);
 
-	if (!priv || !cmdnode) {
-		lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n");
-		goto done;
-	}
-
 	cmd = cmdnode->cmdbuf;
 
 	spin_lock_irqsave(&priv->driver_lock, flags);
-	if (!cmd || !cmd->size) {
-		lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n");
-		__lbs_cleanup_and_insert_cmd(priv, cmdnode);
-		spin_unlock_irqrestore(&priv->driver_lock, flags);
-		goto done;
-	}
-
 	priv->cur_cmd = cmdnode;
 	priv->cur_cmd_retcode = 0;
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
@@ -1214,71 +1159,50 @@ static int DownloadcommandToStation(struct lbs_private *priv,
 	cmdsize = le16_to_cpu(cmd->size);
 	command = le16_to_cpu(cmd->command);
 
-	lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n",
-		    command, cmdsize, jiffies);
-	lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
+	/* These commands take longer */
+	if (command == CMD_802_11_SCAN || command == CMD_802_11_ASSOCIATE ||
+	    command == CMD_802_11_AUTHENTICATE)
+		timeo = 10 * HZ;
 
-	cmdnode->cmdwaitqwoken = 0;
+	lbs_deb_cmd("DNLD_CMD: command 0x%04x, seq %d, size %d\n",
+		     command, le16_to_cpu(cmd->seqnum), cmdsize);
+	lbs_deb_hex(LBS_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
 
 	ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
 
-	if (ret != 0) {
-		lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n");
-		spin_lock_irqsave(&priv->driver_lock, flags);
-		priv->cur_cmd_retcode = ret;
-		__lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd);
-		priv->cur_cmd = NULL;
-		spin_unlock_irqrestore(&priv->driver_lock, flags);
-		goto done;
+	if (ret) {
+		lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
+		/* Let the timer kick in and retry, and potentially reset
+		   the whole thing if the condition persists */
+		timeo = HZ;
 	}
 
-	lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies);
-
 	/* Setup the timer after transmit command */
-	if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE
-	    || command == CMD_802_11_ASSOCIATE)
-		mod_timer(&priv->command_timer, jiffies + (10*HZ));
-	else
-		mod_timer(&priv->command_timer, jiffies + (5*HZ));
+	mod_timer(&priv->command_timer, jiffies + timeo);
 
-	ret = 0;
-
-done:
-	lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
-	return ret;
-}
-
-static int lbs_cmd_mac_control(struct lbs_private *priv,
-				struct cmd_ds_command *cmd)
-{
-	struct cmd_ds_mac_control *mac = &cmd->params.macctrl;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	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->currentpacketfilter);
-
-	lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n",
-		    le16_to_cpu(mac->action), le16_to_cpu(cmd->size));
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
+	lbs_deb_leave(LBS_DEB_HOST);
 }
 
 /**
  *  This function inserts command node to cmdfreeq
  *  after cleans it. Requires priv->driver_lock held.
  */
-void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
-	struct cmd_ctrl_node *ptempcmd)
+static void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
+					 struct cmd_ctrl_node *cmdnode)
 {
+	lbs_deb_enter(LBS_DEB_HOST);
+
+	if (!cmdnode)
+		goto out;
 
-	if (!ptempcmd)
-		return;
+	cmdnode->callback = NULL;
+	cmdnode->callback_arg = 0;
 
-	cleanup_cmdnode(ptempcmd);
-	list_add_tail(&ptempcmd->list, &priv->cmdfreeq);
+	memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
+
+	list_add_tail(&cmdnode->list, &priv->cmdfreeq);
+ out:
+	lbs_deb_leave(LBS_DEB_HOST);
 }
 
 static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
@@ -1291,36 +1215,74 @@ static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv,
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 }
 
+void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
+			  int result)
+{
+	if (cmd == priv->cur_cmd)
+		priv->cur_cmd_retcode = result;
+
+	cmd->result = result;
+	cmd->cmdwaitqwoken = 1;
+	wake_up_interruptible(&cmd->cmdwait_q);
+
+	if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
+		__lbs_cleanup_and_insert_cmd(priv, cmd);
+	priv->cur_cmd = NULL;
+}
+
 int lbs_set_radio_control(struct lbs_private *priv)
 {
 	int ret = 0;
+	struct cmd_ds_802_11_radio_control cmd;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	ret = lbs_prepare_and_send_command(priv,
-				    CMD_802_11_RADIO_CONTROL,
-				    CMD_ACT_SET,
-				    CMD_OPTION_WAITFORRSP, 0, NULL);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(CMD_ACT_SET);
+
+	switch (priv->preamble) {
+	case CMD_TYPE_SHORT_PREAMBLE:
+		cmd.control = cpu_to_le16(SET_SHORT_PREAMBLE);
+		break;
+
+	case CMD_TYPE_LONG_PREAMBLE:
+		cmd.control = cpu_to_le16(SET_LONG_PREAMBLE);
+		break;
 
-	lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n",
-	       priv->radioon, priv->preamble);
+	case CMD_TYPE_AUTO_PREAMBLE:
+	default:
+		cmd.control = cpu_to_le16(SET_AUTO_PREAMBLE);
+		break;
+	}
+
+	if (priv->radioon)
+		cmd.control |= cpu_to_le16(TURN_ON_RF);
+	else
+		cmd.control &= cpu_to_le16(~TURN_ON_RF);
+
+	lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", priv->radioon,
+		    priv->preamble);
+
+	ret = lbs_cmd_with_response(priv, CMD_802_11_RADIO_CONTROL, &cmd);
 
 	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return ret;
 }
 
-int lbs_set_mac_packet_filter(struct lbs_private *priv)
+void lbs_set_mac_control(struct lbs_private *priv)
 {
-	int ret = 0;
+	struct cmd_ds_mac_control cmd;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	/* Send MAC control command to station */
-	ret = lbs_prepare_and_send_command(priv,
-				    CMD_MAC_CONTROL, 0, 0, 0, NULL);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(priv->mac_control);
+	cmd.reserved = 0;
 
-	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
-	return ret;
+	lbs_cmd_async(priv, CMD_MAC_CONTROL,
+		&cmd.hdr, sizeof(cmd));
+
+	lbs_deb_leave(LBS_DEB_CMD);
 }
 
 /**
@@ -1369,19 +1331,13 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		goto done;
 	}
 
-	lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf);
+	cmdnode->callback = NULL;
+	cmdnode->callback_arg = (unsigned long)pdata_buf;
 
 	cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
 
 	lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no);
 
-	if (!cmdptr) {
-		lbs_deb_host("PREP_CMD: cmdptr is NULL\n");
-		lbs_cleanup_and_insert_cmd(priv, cmdnode);
-		ret = -1;
-		goto done;
-	}
-
 	/* Set sequence number, command and INT option */
 	priv->seqnum++;
 	cmdptr->seqnum = cpu_to_le16(priv->seqnum);
@@ -1391,15 +1347,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
 	switch (cmd_no) {
 	case CMD_802_11_PS_MODE:
-		ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action);
-		break;
-
-	case CMD_802_11_SCAN:
-		ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf);
-		break;
-
-	case CMD_MAC_CONTROL:
-		ret = lbs_cmd_mac_control(priv, cmdptr);
+		ret = lbs_cmd_802_11_ps_mode(cmdptr, cmd_action);
 		break;
 
 	case CMD_802_11_ASSOCIATE:
@@ -1411,32 +1359,18 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		ret = lbs_cmd_80211_deauthenticate(priv, cmdptr);
 		break;
 
-	case CMD_802_11_SET_WEP:
-		ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf);
-		break;
-
 	case CMD_802_11_AD_HOC_START:
 		ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
 		break;
-	case CMD_CODE_DNLD:
-		break;
 
 	case CMD_802_11_RESET:
-		ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action);
-		break;
-
-	case CMD_802_11_GET_LOG:
-		ret = lbs_cmd_802_11_get_log(priv, cmdptr);
+		ret = lbs_cmd_802_11_reset(cmdptr, cmd_action);
 		break;
 
 	case CMD_802_11_AUTHENTICATE:
 		ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf);
 		break;
 
-	case CMD_802_11_GET_STAT:
-		ret = lbs_cmd_802_11_get_stat(priv, cmdptr);
-		break;
-
 	case CMD_802_11_SNMP_MIB:
 		ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr,
 					       cmd_action, cmd_oid, pdata_buf);
@@ -1445,16 +1379,12 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 	case CMD_MAC_REG_ACCESS:
 	case CMD_BBP_REG_ACCESS:
 	case CMD_RF_REG_ACCESS:
-		ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf);
+		ret = lbs_cmd_reg_access(cmdptr, cmd_action, pdata_buf);
 		break;
 
 	case CMD_802_11_RF_TX_POWER:
-		ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr,
-						  cmd_action, pdata_buf);
-		break;
-
-	case CMD_802_11_RADIO_CONTROL:
-		ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
+		ret = lbs_cmd_802_11_rf_tx_power(cmdptr,
+						 cmd_action, pdata_buf);
 		break;
 
 	case CMD_802_11_RATE_ADAPT_RATESET:
@@ -1467,7 +1397,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		break;
 
 	case CMD_802_11_MONITOR_MODE:
-		ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr,
+		ret = lbs_cmd_802_11_monitor_mode(cmdptr,
 				          cmd_action, pdata_buf);
 		break;
 
@@ -1480,31 +1410,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		break;
 
 	case CMD_802_11_AD_HOC_STOP:
-		ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr);
-		break;
-
-	case CMD_802_11_ENABLE_RSN:
-		ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action,
-				pdata_buf);
-		break;
-
-	case CMD_802_11_KEY_MATERIAL:
-		ret = lbs_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 = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action);
-		break;
-
-	case CMD_802_11_EEPROM_ACCESS:
-		ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr,
-						    cmd_action, pdata_buf);
+		ret = lbs_cmd_80211_ad_hoc_stop(cmdptr);
 		break;
 
 	case CMD_802_11_SET_AFC:
@@ -1525,15 +1431,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 						   cmd_no, cmd_action);
 		break;
 
-	case CMD_802_11_SLEEP_PARAMS:
-		ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action);
-		break;
-	case CMD_802_11_INACTIVITY_TIMEOUT:
-		ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr,
-							 cmd_action, pdata_buf);
-		lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf);
-		break;
-
 	case CMD_802_11_TPC_CFG:
 		cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG);
 		cmdptr->size =
@@ -1568,26 +1465,13 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 			ret = 0;
 			break;
 		}
-	case CMD_802_11_SUBSCRIBE_EVENT:
-		lbs_cmd_802_11_subscribe_event(priv, cmdptr,
-			cmd_action, pdata_buf);
-		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 = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf);
+		ret = lbs_cmd_bt_access(cmdptr, cmd_action, pdata_buf);
 		break;
 
 	case CMD_FWT_ACCESS:
-		ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf);
+		ret = lbs_cmd_fwt_access(cmdptr, cmd_action, pdata_buf);
 		break;
 
 	case CMD_GET_TSF:
@@ -1615,7 +1499,7 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
 	cmdnode->cmdwaitqwoken = 0;
 
-	lbs_queue_cmd(priv, cmdnode, 1);
+	lbs_queue_cmd(priv, cmdnode);
 	wake_up_interruptible(&priv->waitq);
 
 	if (wait_option & CMD_OPTION_WAITFORRSP) {
@@ -1638,7 +1522,6 @@ done:
 	lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
 	return ret;
 }
-EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command);
 
 /**
  *  @brief This function allocates the command buffer and link
@@ -1756,64 +1639,10 @@ static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
 
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 
-	if (tempnode)
-		cleanup_cmdnode(tempnode);
-
 	lbs_deb_leave(LBS_DEB_HOST);
 	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 *cmdnode)
-{
-	lbs_deb_enter(LBS_DEB_HOST);
-
-	if (!cmdnode)
-		return;
-	cmdnode->cmdwaitqwoken = 1;
-	wake_up_interruptible(&cmdnode->cmdwait_q);
-	cmdnode->wait_option = 0;
-	cmdnode->pdata_buf = NULL;
-	cmdnode->callback = NULL;
-	cmdnode->callback_arg = 0;
-
-	if (cmdnode->cmdbuf != NULL)
-		memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE);
-
-	lbs_deb_leave(LBS_DEB_HOST);
-}
-
-/**
- *  @brief This function initializes the command node.
- *
- *  @param priv		A pointer to struct lbs_private structure
- *  @param ptempnode	A pointer to cmd_ctrl_node structure
- *  @param wait_option	wait option: wait response or not
- *  @param pdata_buf	A pointer to informaion buffer
- *  @return 		0 or -1
- */
-static void lbs_set_cmd_ctrl_node(struct lbs_private *priv,
-				  struct cmd_ctrl_node *ptempnode,
-				  u16 wait_option, void *pdata_buf)
-{
-	lbs_deb_enter(LBS_DEB_HOST);
-
-	if (!ptempnode)
-		return;
-
-	ptempnode->wait_option = wait_option;
-	ptempnode->pdata_buf = pdata_buf;
-	ptempnode->callback = NULL;
-	ptempnode->callback_arg = 0;
-
-	lbs_deb_leave(LBS_DEB_HOST);
-}
-
 /**
  *  @brief This function executes next command in command
  *  pending queue. It will put fimware back to PS mode
@@ -1829,9 +1658,9 @@ int lbs_execute_next_command(struct lbs_private *priv)
 	unsigned long flags;
 	int ret = 0;
 
-	// Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
-	// only caller to us is lbs_thread() and we get even when a
-	// data packet is received
+	/* Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the
+	 * only caller to us is lbs_thread() and we get even when a
+	 * data packet is received */
 	lbs_deb_enter(LBS_DEB_THREAD);
 
 	spin_lock_irqsave(&priv->driver_lock, flags);
@@ -1897,7 +1726,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
 				 * PS command. Ignore it if it is not Exit_PS.
 				 * otherwise send it down immediately.
 				 */
-				struct cmd_ds_802_11_ps_mode *psm = (void *)cmd;
+				struct cmd_ds_802_11_ps_mode *psm = (void *)&cmd[1];
 
 				lbs_deb_host(
 				       "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n",
@@ -1907,7 +1736,9 @@ int lbs_execute_next_command(struct lbs_private *priv)
 					lbs_deb_host(
 					       "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n");
 					list_del(&cmdnode->list);
-					lbs_cleanup_and_insert_cmd(priv, cmdnode);
+					spin_lock_irqsave(&priv->driver_lock, flags);
+					lbs_complete_command(priv, cmdnode, 0);
+					spin_unlock_irqrestore(&priv->driver_lock, flags);
 
 					ret = 0;
 					goto done;
@@ -1918,7 +1749,9 @@ int lbs_execute_next_command(struct lbs_private *priv)
 					lbs_deb_host(
 					       "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n");
 					list_del(&cmdnode->list);
-					lbs_cleanup_and_insert_cmd(priv, cmdnode);
+					spin_lock_irqsave(&priv->driver_lock, flags);
+					lbs_complete_command(priv, cmdnode, 0);
+					spin_unlock_irqrestore(&priv->driver_lock, flags);
 					priv->needtowakeup = 1;
 
 					ret = 0;
@@ -1932,7 +1765,7 @@ int lbs_execute_next_command(struct lbs_private *priv)
 		list_del(&cmdnode->list);
 		lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n",
 			    le16_to_cpu(cmd->command));
-		DownloadcommandToStation(priv, cmdnode);
+		lbs_submit_command(priv, cmdnode);
 	} else {
 		/*
 		 * check if in power save mode, if yes, put the device back
@@ -1991,45 +1824,35 @@ void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str)
 	lbs_deb_leave(LBS_DEB_WEXT);
 }
 
-static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size)
+static void lbs_send_confirmsleep(struct lbs_private *priv)
 {
 	unsigned long flags;
-	int ret = 0;
+	int ret;
 
 	lbs_deb_enter(LBS_DEB_HOST);
+	lbs_deb_hex(LBS_DEB_HOST, "sleep confirm", (u8 *) &confirm_sleep,
+		sizeof(confirm_sleep));
 
-	lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n",
-	       size);
+	ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
+		sizeof(confirm_sleep));
+	if (ret) {
+		lbs_pr_alert("confirm_sleep failed\n");
+		goto out;
+	}
 
-	lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
+	spin_lock_irqsave(&priv->driver_lock, flags);
 
-	ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size);
+	/* We don't get a response on the sleep-confirmation */
 	priv->dnld_sent = DNLD_RES_RECEIVED;
 
-	spin_lock_irqsave(&priv->driver_lock, flags);
-	if (priv->intcounter || priv->currenttxskb)
-		lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n",
-		       priv->intcounter, priv->currenttxskb);
-	spin_unlock_irqrestore(&priv->driver_lock, flags);
+	/* If nothing to do, go back to sleep (?) */
+	if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx])
+		priv->psstate = PS_STATE_SLEEP;
 
-	if (ret) {
-		lbs_pr_alert(
-		       "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n");
-	} else {
-		spin_lock_irqsave(&priv->driver_lock, flags);
-		if (!priv->intcounter) {
-			priv->psstate = PS_STATE_SLEEP;
-		} else {
-			lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n",
-			       priv->intcounter);
-		}
-		spin_unlock_irqrestore(&priv->driver_lock, flags);
-
-		lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n");
-	}
+	spin_unlock_irqrestore(&priv->driver_lock, flags);
 
-	lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret);
-	return ret;
+out:
+	lbs_deb_leave(LBS_DEB_HOST);
 }
 
 void lbs_ps_sleep(struct lbs_private *priv, int wait_option)
@@ -2077,33 +1900,35 @@ void lbs_ps_wakeup(struct lbs_private *priv, int wait_option)
  *  @param psmode  	Power Saving mode
  *  @return 	   	n/a
  */
-void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
+void lbs_ps_confirm_sleep(struct lbs_private *priv)
 {
 	unsigned long flags =0;
-	u8 allowed = 1;
+	int allowed = 1;
 
 	lbs_deb_enter(LBS_DEB_HOST);
 
+	spin_lock_irqsave(&priv->driver_lock, flags);
 	if (priv->dnld_sent) {
 		allowed = 0;
-		lbs_deb_host("dnld_sent was set");
+		lbs_deb_host("dnld_sent was set\n");
 	}
 
-	spin_lock_irqsave(&priv->driver_lock, flags);
+	/* In-progress command? */
 	if (priv->cur_cmd) {
 		allowed = 0;
-		lbs_deb_host("cur_cmd was set");
+		lbs_deb_host("cur_cmd was set\n");
 	}
-	if (priv->intcounter > 0) {
+
+	/* Pending events or command responses? */
+	if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) {
 		allowed = 0;
-		lbs_deb_host("intcounter %d", priv->intcounter);
+		lbs_deb_host("pending events or command responses\n");
 	}
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 
 	if (allowed) {
 		lbs_deb_host("sending lbs_ps_confirm_sleep\n");
-		sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep,
-				 sizeof(struct PS_CMD_ConfirmSleep));
+		lbs_send_confirmsleep(priv);
 	} else {
 		lbs_deb_host("sleep confirm has been delayed\n");
 	}
@@ -2112,70 +1937,18 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
 }
 
 
-/**
- *  @brief Simple callback that copies response back into command
- *
- *  @param priv    	A pointer to struct lbs_private structure
- *  @param extra  	A pointer to the original command structure for which
- *                      'resp' is a response
- *  @param resp         A pointer to the command response
- *
- *  @return 	   	0 on success, error on failure
- */
-int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
-		     struct cmd_header *resp)
-{
-	struct cmd_header *buf = (void *)extra;
-	uint16_t copy_len;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size));
-	lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, "
-		    "copy back buffer was %u bytes\n", copy_len,
-		    le16_to_cpu(resp->size), le16_to_cpu(buf->size));
-	memcpy(buf, resp, copy_len);
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-/**
- *  @brief Simple way to call firmware functions
- *
- *  @param priv    	A pointer to struct lbs_private structure
- *  @param psmode  	one of the many CMD_802_11_xxxx
- *  @param cmd          pointer to the parameters structure for above command
- *                      (this should not include the command, size, sequence
- *                      and result fields from struct cmd_ds_gen)
- *  @param cmd_size     size structure pointed to by cmd
- *  @param rsp          pointer to an area where the result should be placed
- *  @param rsp_size     pointer to the size of the rsp area. If the firmware
- *                      returns fewer bytes, then this *rsp_size will be
- *                      changed to the actual size.
- *  @return 	   	-1 in case of a higher level error, otherwise
- *                      the result code from the firmware
- */
-int __lbs_cmd(struct lbs_private *priv, uint16_t command,
-	      struct cmd_header *in_cmd, int in_cmd_size,
-	      int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
-	      unsigned long callback_arg)
+static struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv,
+	uint16_t command, struct cmd_header *in_cmd, int in_cmd_size,
+	int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+	unsigned long callback_arg)
 {
 	struct cmd_ctrl_node *cmdnode;
-	unsigned long flags;
-	int ret = 0;
 
 	lbs_deb_enter(LBS_DEB_HOST);
 
-	if (!priv) {
-		lbs_deb_host("PREP_CMD: priv is NULL\n");
-		ret = -1;
-		goto done;
-	}
-
 	if (priv->surpriseremoved) {
 		lbs_deb_host("PREP_CMD: card removed\n");
-		ret = -1;
+		cmdnode = ERR_PTR(-ENOENT);
 		goto done;
 	}
 
@@ -2185,11 +1958,10 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
 
 		/* Wake up main thread to execute next command */
 		wake_up_interruptible(&priv->waitq);
-		ret = -1;
+		cmdnode = ERR_PTR(-ENOBUFS);
 		goto done;
 	}
 
-	cmdnode->wait_option = CMD_OPTION_WAITFORRSP;
 	cmdnode->callback = callback;
 	cmdnode->callback_arg = callback_arg;
 
@@ -2205,23 +1977,52 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
 
 	lbs_deb_host("PREP_CMD: command 0x%04x\n", command);
 
-	/* here was the big old switch() statement, which is now obsolete,
-	 * because the caller of lbs_cmd() sets up all of *cmd for us. */
-
 	cmdnode->cmdwaitqwoken = 0;
-	lbs_queue_cmd(priv, cmdnode, 1);
+	lbs_queue_cmd(priv, cmdnode);
 	wake_up_interruptible(&priv->waitq);
 
+ done:
+	lbs_deb_leave_args(LBS_DEB_HOST, "ret %p", cmdnode);
+	return cmdnode;
+}
+
+void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
+	struct cmd_header *in_cmd, int in_cmd_size)
+{
+	lbs_deb_enter(LBS_DEB_CMD);
+	__lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
+		lbs_cmd_async_callback, 0);
+	lbs_deb_leave(LBS_DEB_CMD);
+}
+
+int __lbs_cmd(struct lbs_private *priv, uint16_t command,
+	      struct cmd_header *in_cmd, int in_cmd_size,
+	      int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *),
+	      unsigned long callback_arg)
+{
+	struct cmd_ctrl_node *cmdnode;
+	unsigned long flags;
+	int ret = 0;
+
+	lbs_deb_enter(LBS_DEB_HOST);
+
+	cmdnode = __lbs_cmd_async(priv, command, in_cmd, in_cmd_size,
+				  callback, callback_arg);
+	if (IS_ERR(cmdnode)) {
+		ret = PTR_ERR(cmdnode);
+		goto done;
+	}
+
 	might_sleep();
 	wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken);
 
 	spin_lock_irqsave(&priv->driver_lock, flags);
-	if (priv->cur_cmd_retcode) {
-		lbs_deb_host("PREP_CMD: command failed with return code %d\n",
-		       priv->cur_cmd_retcode);
-		priv->cur_cmd_retcode = 0;
-		ret = -1;
-	}
+	ret = cmdnode->result;
+	if (ret)
+		lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
+			    command, ret);
+
+	__lbs_cleanup_and_insert_cmd(priv, cmdnode);
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 
 done: