Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
  [NET]: Fix and allocate less memory for ->priv'less netdevices
  [IPV6]: Fix dangling references on error in fib6_add().
  [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
  [PKT_SCHED]: Fix datalen check in tcf_simp_init().
  [INET]: Uninline the __inet_inherit_port call.
  [INET]: Drop the inet_inherit_port() call.
  SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
  [netdrvr] forcedeth: internal simplifications; changelog removal
  phylib: factor out get_phy_id from within get_phy_device
  PHY: add BCM5464 support to broadcom PHY driver
  cxgb3: Fix __must_check warning with dev_dbg.
  tc35815: Statistics cleanup
  natsemi: fix MMIO for PPC 44x platforms
  [TIPC]: Cleanup of TIPC reference table code
  [TIPC]: Optimized initialization of TIPC reference table
  [TIPC]: Remove inlining of reference table locking routines
  e1000: convert uint16_t style integers to u16
  ixgb: convert uint16_t style integers to u16
  sb1000.c: make const arrays static
  sb1000.c: stop inlining largish static functions
  ...

29 files changed, 2200 insertions, 3150 deletions

diff --git a/drivers/net/wireless/libertas/11d.c b/drivers/net/wireless/libertas/11d.c
index 5e10ce0..4bc46a6 100644
--- a/drivers/net/wireless/libertas/11d.c
+++ b/drivers/net/wireless/libertas/11d.c
@@ -79,7 +79,7 @@ static u8 *lbs_code_2_region(u8 code)
  *  @param nrchan   number of channels
  *  @return 	      the nrchan-th chan number
 */
-static u8 lbs_get_chan_11d(u8 band, u8 firstchan, u8 nrchan, u8 *chan)
+static u8 lbs_get_chan_11d(u8 firstchan, u8 nrchan, u8 *chan)
 /*find the nrchan-th chan after the firstchan*/
 {
 	u8 i;
@@ -134,7 +134,7 @@ static u8 lbs_channel_known_11d(u8 chan,
 	return 0;
 }
 
-u32 lbs_chan_2_freq(u8 chan, u8 band)
+u32 lbs_chan_2_freq(u8 chan)
 {
 	struct chan_freq_power *cf;
 	u16 i;
@@ -264,7 +264,7 @@ static void lbs_generate_parsed_region_chan_11d(struct region_channel *region_ch
  *  @param chan                 chan
  *  @return 	                TRUE;FALSE
 */
-static u8 lbs_region_chan_supported_11d(u8 region, u8 band, u8 chan)
+static u8 lbs_region_chan_supported_11d(u8 region, u8 chan)
 {
 	struct chan_freq_power *cfp;
 	int cfp_no;
@@ -273,7 +273,7 @@ static u8 lbs_region_chan_supported_11d(u8 region, u8 band, u8 chan)
 
 	lbs_deb_enter(LBS_DEB_11D);
 
-	cfp = lbs_get_region_cfp_table(region, band, &cfp_no);
+	cfp = lbs_get_region_cfp_table(region, &cfp_no);
 	if (cfp == NULL)
 		return 0;
 
@@ -367,7 +367,7 @@ static int parse_domain_info_11d(struct ieeetypes_countryinfofullset*
 		for (i = 0; idx < MAX_NO_OF_CHAN && i < nrchan; i++) {
 			/*step4: channel is supported? */
 
-			if (!lbs_get_chan_11d(band, firstchan, i, &curchan)) {
+			if (!lbs_get_chan_11d(firstchan, i, &curchan)) {
 				/* Chan is not found in UN table */
 				lbs_deb_11d("chan is not supported: %d \n", i);
 				break;
@@ -375,8 +375,7 @@ static int parse_domain_info_11d(struct ieeetypes_countryinfofullset*
 
 			lastchan = curchan;
 
-			if (lbs_region_chan_supported_11d
-			    (region, band, curchan)) {
+			if (lbs_region_chan_supported_11d(region, curchan)) {
 				/*step5: Check if curchan is supported by mrvl in region */
 				parsed_region_chan->chanpwr[idx].chan = curchan;
 				parsed_region_chan->chanpwr[idx].pwr =
@@ -554,8 +553,7 @@ done:
  *  @param resp    pointer to command response buffer
  *  @return 	   0; -1
  */
-int lbs_ret_802_11d_domain_info(struct lbs_private *priv,
-				 struct cmd_ds_command *resp)
+int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp)
 {
 	struct cmd_ds_802_11d_domain_info *domaininfo = &resp->params.domaininforesp;
 	struct mrvlietypes_domainparamset *domain = &domaininfo->domain;
diff --git a/drivers/net/wireless/libertas/11d.h b/drivers/net/wireless/libertas/11d.h
index 811eea2..4f4f47f 100644
--- a/drivers/net/wireless/libertas/11d.h
+++ b/drivers/net/wireless/libertas/11d.h
@@ -83,7 +83,7 @@ struct lbs_private;
 u8 lbs_get_scan_type_11d(u8 chan,
 			  struct parsed_region_chan_11d *parsed_region_chan);
 
-u32 lbs_chan_2_freq(u8 chan, u8 band);
+u32 lbs_chan_2_freq(u8 chan);
 
 void lbs_init_11d(struct lbs_private *priv);
 
@@ -93,8 +93,7 @@ int lbs_cmd_802_11d_domain_info(struct lbs_private *priv,
 				 struct cmd_ds_command *cmd, u16 cmdno,
 				 u16 cmdOption);
 
-int lbs_ret_802_11d_domain_info(struct lbs_private *priv,
-				 struct cmd_ds_command *resp);
+int lbs_ret_802_11d_domain_info(struct cmd_ds_command *resp);
 
 struct bss_descriptor;
 int lbs_parse_dnld_countryinfo_11d(struct lbs_private *priv,
diff --git a/drivers/net/wireless/libertas/Makefile b/drivers/net/wireless/libertas/Makefile
index 0e27876..f0724e3 100644
--- a/drivers/net/wireless/libertas/Makefile
+++ b/drivers/net/wireless/libertas/Makefile
@@ -1,7 +1,7 @@
 libertas-objs := main.o wext.o \
 		rx.o tx.o cmd.o 	  \
 		cmdresp.o scan.o	  \
-		join.o 11d.o 		  \
+		11d.o 		  \
 		debugfs.o	  \
 		ethtool.o assoc.o
 
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 6a24ed60..c9c3640 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -1,14 +1,11 @@
 /* Copyright (C) 2006, Red Hat, Inc. */
 
-#include <linux/bitops.h>
-#include <net/ieee80211.h>
 #include <linux/etherdevice.h>
 
 #include "assoc.h"
-#include "join.h"
 #include "decl.h"
-#include "hostcmd.h"
 #include "host.h"
+#include "scan.h"
 #include "cmd.h"
 
 
@@ -17,6 +14,428 @@ static const u8 bssid_any[ETH_ALEN]  __attribute__ ((aligned (2))) =
 static const u8 bssid_off[ETH_ALEN]  __attribute__ ((aligned (2))) =
 	{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
 
+/* The firmware needs certain bits masked out of the beacon-derviced capability
+ * field when associating/joining to BSSs.
+ */
+#define CAPINFO_MASK	(~(0xda00))
+
+
+
+/**
+ *  @brief Associate to a specific BSS discovered in a scan
+ *
+ *  @param priv      A pointer to struct lbs_private structure
+ *  @param pbssdesc  Pointer to the BSS descriptor to associate with.
+ *
+ *  @return          0-success, otherwise fail
+ */
+static int lbs_associate(struct lbs_private *priv,
+	struct assoc_request *assoc_req)
+{
+	int ret;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE,
+				    0, CMD_OPTION_WAITFORRSP,
+				    0, assoc_req->bss.bssid);
+
+	if (ret)
+		goto done;
+
+	/* set preamble to firmware */
+	if ((priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) &&
+	    (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
+		priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
+	else
+		priv->preamble = CMD_TYPE_LONG_PREAMBLE;
+
+	lbs_set_radio_control(priv);
+
+	ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE,
+				    0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
+
+done:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+/**
+ *  @brief Join an adhoc network found in a previous scan
+ *
+ *  @param priv         A pointer to struct lbs_private structure
+ *  @param pbssdesc     Pointer to a BSS descriptor found in a previous scan
+ *                      to attempt to join
+ *
+ *  @return             0--success, -1--fail
+ */
+static int lbs_join_adhoc_network(struct lbs_private *priv,
+	struct assoc_request *assoc_req)
+{
+	struct bss_descriptor *bss = &assoc_req->bss;
+	int ret = 0;
+
+	lbs_deb_join("current SSID '%s', ssid length %u\n",
+		escape_essid(priv->curbssparams.ssid,
+		priv->curbssparams.ssid_len),
+		priv->curbssparams.ssid_len);
+	lbs_deb_join("requested ssid '%s', ssid length %u\n",
+		escape_essid(bss->ssid, bss->ssid_len),
+		bss->ssid_len);
+
+	/* check if the requested SSID is already joined */
+	if (priv->curbssparams.ssid_len &&
+	    !lbs_ssid_cmp(priv->curbssparams.ssid,
+			priv->curbssparams.ssid_len,
+			bss->ssid, bss->ssid_len) &&
+	    (priv->mode == IW_MODE_ADHOC) &&
+	    (priv->connect_status == LBS_CONNECTED)) {
+		union iwreq_data wrqu;
+
+		lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
+			"current, not attempting to re-join");
+
+		/* Send the re-association event though, because the association
+		 * request really was successful, even if just a null-op.
+		 */
+		memset(&wrqu, 0, sizeof(wrqu));
+		memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid,
+		       ETH_ALEN);
+		wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+		wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+		goto out;
+	}
+
+	/* Use shortpreamble only when both creator and card supports
+	   short preamble */
+	if (!(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) ||
+	    !(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
+		lbs_deb_join("AdhocJoin: Long preamble\n");
+		priv->preamble = CMD_TYPE_LONG_PREAMBLE;
+	} else {
+		lbs_deb_join("AdhocJoin: Short preamble\n");
+		priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
+	}
+
+	lbs_set_radio_control(priv);
+
+	lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
+	lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
+
+	priv->adhoccreate = 0;
+
+	ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
+				    0, CMD_OPTION_WAITFORRSP,
+				    OID_802_11_SSID, assoc_req);
+
+out:
+	return ret;
+}
+
+/**
+ *  @brief Start an Adhoc Network
+ *
+ *  @param priv         A pointer to struct lbs_private structure
+ *  @param adhocssid    The ssid of the Adhoc Network
+ *  @return             0--success, -1--fail
+ */
+static int lbs_start_adhoc_network(struct lbs_private *priv,
+	struct assoc_request *assoc_req)
+{
+	int ret = 0;
+
+	priv->adhoccreate = 1;
+
+	if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
+		lbs_deb_join("AdhocStart: Short preamble\n");
+		priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
+	} else {
+		lbs_deb_join("AdhocStart: Long preamble\n");
+		priv->preamble = CMD_TYPE_LONG_PREAMBLE;
+	}
+
+	lbs_set_radio_control(priv);
+
+	lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
+	lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
+
+	ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
+				    0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
+
+	return ret;
+}
+
+int lbs_stop_adhoc_network(struct lbs_private *priv)
+{
+	return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
+				     0, CMD_OPTION_WAITFORRSP, 0, NULL);
+}
+
+static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
+					struct bss_descriptor *match_bss)
+{
+	if (!secinfo->wep_enabled  && !secinfo->WPAenabled
+	    && !secinfo->WPA2enabled
+	    && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
+	    && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
+	    && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+		return 1;
+	else
+		return 0;
+}
+
+static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
+				       struct bss_descriptor *match_bss)
+{
+	if (secinfo->wep_enabled && !secinfo->WPAenabled
+	    && !secinfo->WPA2enabled
+	    && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+		return 1;
+	else
+		return 0;
+}
+
+static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
+				struct bss_descriptor *match_bss)
+{
+	if (!secinfo->wep_enabled && secinfo->WPAenabled
+	    && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
+	    /* privacy bit may NOT be set in some APs like LinkSys WRT54G
+	    && (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
+	   )
+		return 1;
+	else
+		return 0;
+}
+
+static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
+				 struct bss_descriptor *match_bss)
+{
+	if (!secinfo->wep_enabled && secinfo->WPA2enabled &&
+	    (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
+	    /* privacy bit may NOT be set in some APs like LinkSys WRT54G
+	    (match_bss->capability & WLAN_CAPABILITY_PRIVACY) */
+	   )
+		return 1;
+	else
+		return 0;
+}
+
+static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
+					struct bss_descriptor *match_bss)
+{
+	if (!secinfo->wep_enabled && !secinfo->WPAenabled
+	    && !secinfo->WPA2enabled
+	    && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
+	    && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
+	    && (match_bss->capability & WLAN_CAPABILITY_PRIVACY))
+		return 1;
+	else
+		return 0;
+}
+
+/**
+ *  @brief Check if a scanned network compatible with the driver settings
+ *
+ *   WEP     WPA     WPA2    ad-hoc  encrypt                      Network
+ * enabled enabled  enabled   AES     mode   privacy  WPA  WPA2  Compatible
+ *    0       0        0       0      NONE      0      0    0   yes No security
+ *    1       0        0       0      NONE      1      0    0   yes Static WEP
+ *    0       1        0       0       x        1x     1    x   yes WPA
+ *    0       0        1       0       x        1x     x    1   yes WPA2
+ *    0       0        0       1      NONE      1      0    0   yes Ad-hoc AES
+ *    0       0        0       0     !=NONE     1      0    0   yes Dynamic WEP
+ *
+ *
+ *  @param priv A pointer to struct lbs_private
+ *  @param index   Index in scantable to check against current driver settings
+ *  @param mode    Network mode: Infrastructure or IBSS
+ *
+ *  @return        Index in scantable, or error code if negative
+ */
+static int is_network_compatible(struct lbs_private *priv,
+				 struct bss_descriptor *bss, uint8_t mode)
+{
+	int matched = 0;
+
+	lbs_deb_enter(LBS_DEB_SCAN);
+
+	if (bss->mode != mode)
+		goto done;
+
+	matched = match_bss_no_security(&priv->secinfo, bss);
+	if (matched)
+		goto done;
+	matched = match_bss_static_wep(&priv->secinfo, bss);
+	if (matched)
+		goto done;
+	matched = match_bss_wpa(&priv->secinfo, bss);
+	if (matched) {
+		lbs_deb_scan("is_network_compatible() WPA: wpa_ie 0x%x "
+			     "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
+			     "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
+			     priv->secinfo.wep_enabled ? "e" : "d",
+			     priv->secinfo.WPAenabled ? "e" : "d",
+			     priv->secinfo.WPA2enabled ? "e" : "d",
+			     (bss->capability & WLAN_CAPABILITY_PRIVACY));
+		goto done;
+	}
+	matched = match_bss_wpa2(&priv->secinfo, bss);
+	if (matched) {
+		lbs_deb_scan("is_network_compatible() WPA2: wpa_ie 0x%x "
+			     "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
+			     "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
+			     priv->secinfo.wep_enabled ? "e" : "d",
+			     priv->secinfo.WPAenabled ? "e" : "d",
+			     priv->secinfo.WPA2enabled ? "e" : "d",
+			     (bss->capability & WLAN_CAPABILITY_PRIVACY));
+		goto done;
+	}
+	matched = match_bss_dynamic_wep(&priv->secinfo, bss);
+	if (matched) {
+		lbs_deb_scan("is_network_compatible() dynamic WEP: "
+			     "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
+			     bss->wpa_ie[0], bss->rsn_ie[0],
+			     (bss->capability & WLAN_CAPABILITY_PRIVACY));
+		goto done;
+	}
+
+	/* bss security settings don't match those configured on card */
+	lbs_deb_scan("is_network_compatible() FAILED: wpa_ie 0x%x "
+		     "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
+		     bss->wpa_ie[0], bss->rsn_ie[0],
+		     priv->secinfo.wep_enabled ? "e" : "d",
+		     priv->secinfo.WPAenabled ? "e" : "d",
+		     priv->secinfo.WPA2enabled ? "e" : "d",
+		     (bss->capability & WLAN_CAPABILITY_PRIVACY));
+
+done:
+	lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
+	return matched;
+}
+
+/**
+ *  @brief This function finds a specific compatible BSSID in the scan list
+ *
+ *  Used in association code
+ *
+ *  @param priv  A pointer to struct lbs_private
+ *  @param bssid    BSSID to find in the scan list
+ *  @param mode     Network mode: Infrastructure or IBSS
+ *
+ *  @return         index in BSSID list, or error return code (< 0)
+ */
+static struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
+					      uint8_t *bssid, uint8_t mode)
+{
+	struct bss_descriptor *iter_bss;
+	struct bss_descriptor *found_bss = NULL;
+
+	lbs_deb_enter(LBS_DEB_SCAN);
+
+	if (!bssid)
+		goto out;
+
+	lbs_deb_hex(LBS_DEB_SCAN, "looking for", bssid, ETH_ALEN);
+
+	/* Look through the scan table for a compatible match.  The loop will
+	 *   continue past a matched bssid that is not compatible in case there
+	 *   is an AP with multiple SSIDs assigned to the same BSSID
+	 */
+	mutex_lock(&priv->lock);
+	list_for_each_entry(iter_bss, &priv->network_list, list) {
+		if (compare_ether_addr(iter_bss->bssid, bssid))
+			continue; /* bssid doesn't match */
+		switch (mode) {
+		case IW_MODE_INFRA:
+		case IW_MODE_ADHOC:
+			if (!is_network_compatible(priv, iter_bss, mode))
+				break;
+			found_bss = iter_bss;
+			break;
+		default:
+			found_bss = iter_bss;
+			break;
+		}
+	}
+	mutex_unlock(&priv->lock);
+
+out:
+	lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
+	return found_bss;
+}
+
+/**
+ *  @brief This function finds ssid in ssid list.
+ *
+ *  Used in association code
+ *
+ *  @param priv  A pointer to struct lbs_private
+ *  @param ssid     SSID to find in the list
+ *  @param bssid    BSSID to qualify the SSID selection (if provided)
+ *  @param mode     Network mode: Infrastructure or IBSS
+ *
+ *  @return         index in BSSID list
+ */
+static struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
+					     uint8_t *ssid, uint8_t ssid_len,
+					     uint8_t *bssid, uint8_t mode,
+					     int channel)
+{
+	u32 bestrssi = 0;
+	struct bss_descriptor *iter_bss = NULL;
+	struct bss_descriptor *found_bss = NULL;
+	struct bss_descriptor *tmp_oldest = NULL;
+
+	lbs_deb_enter(LBS_DEB_SCAN);
+
+	mutex_lock(&priv->lock);
+
+	list_for_each_entry(iter_bss, &priv->network_list, list) {
+		if (!tmp_oldest ||
+		    (iter_bss->last_scanned < tmp_oldest->last_scanned))
+			tmp_oldest = iter_bss;
+
+		if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
+				 ssid, ssid_len) != 0)
+			continue; /* ssid doesn't match */
+		if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
+			continue; /* bssid doesn't match */
+		if ((channel > 0) && (iter_bss->channel != channel))
+			continue; /* channel doesn't match */
+
+		switch (mode) {
+		case IW_MODE_INFRA:
+		case IW_MODE_ADHOC:
+			if (!is_network_compatible(priv, iter_bss, mode))
+				break;
+
+			if (bssid) {
+				/* Found requested BSSID */
+				found_bss = iter_bss;
+				goto out;
+			}
+
+			if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
+				bestrssi = SCAN_RSSI(iter_bss->rssi);
+				found_bss = iter_bss;
+			}
+			break;
+		case IW_MODE_AUTO:
+		default:
+			if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
+				bestrssi = SCAN_RSSI(iter_bss->rssi);
+				found_bss = iter_bss;
+			}
+			break;
+		}
+	}
+
+out:
+	mutex_unlock(&priv->lock);
+	lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
+	return found_bss;
+}
 
 static int assoc_helper_essid(struct lbs_private *priv,
                               struct assoc_request * assoc_req)
@@ -38,7 +457,7 @@ static int assoc_helper_essid(struct lbs_private *priv,
 	              escape_essid(assoc_req->ssid, assoc_req->ssid_len));
 	if (assoc_req->mode == IW_MODE_INFRA) {
 		lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
-			assoc_req->ssid_len, 0);
+			assoc_req->ssid_len);
 
 		bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
 				assoc_req->ssid_len, NULL, IW_MODE_INFRA, channel);
@@ -53,7 +472,7 @@ static int assoc_helper_essid(struct lbs_private *priv,
 		 *   scan data will cause us to join a non-existant adhoc network
 		 */
 		lbs_send_specific_ssid_scan(priv, assoc_req->ssid,
-			assoc_req->ssid_len, 1);
+			assoc_req->ssid_len);
 
 		/* Search for the requested SSID in the scan table */
 		bss = lbs_find_ssid_in_list(priv, assoc_req->ssid,
@@ -164,34 +583,6 @@ done:
 	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;
-}
-
-void lbs_sync_channel(struct work_struct *work)
-{
-	struct lbs_private *priv = container_of(work, struct lbs_private,
-		sync_channel);
-
-	lbs_deb_enter(LBS_DEB_ASSOC);
-	if (lbs_update_channel(priv))
-		lbs_pr_info("Channel synchronization failed.");
-	lbs_deb_leave(LBS_DEB_ASSOC);
-}
-
 static int assoc_helper_channel(struct lbs_private *priv,
                                 struct assoc_request * assoc_req)
 {
@@ -279,13 +670,11 @@ static int assoc_helper_wep_keys(struct lbs_private *priv,
 
 	/* enable/disable the MAC's WEP packet filter */
 	if (assoc_req->secinfo.wep_enabled)
-		priv->currentpacketfilter |= CMD_ACT_MAC_WEP_ENABLE;
+		priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
 	else
-		priv->currentpacketfilter &= ~CMD_ACT_MAC_WEP_ENABLE;
+		priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
 
-	ret = lbs_set_mac_packet_filter(priv);
-	if (ret)
-		goto out;
+	lbs_set_mac_control(priv);
 
 	mutex_lock(&priv->lock);
 
@@ -315,9 +704,7 @@ static int assoc_helper_secinfo(struct lbs_private *priv,
 	memcpy(&priv->secinfo, &assoc_req->secinfo,
 		sizeof(struct lbs_802_11_security));
 
-	ret = lbs_set_mac_packet_filter(priv);
-	if (ret)
-		goto out;
+	lbs_set_mac_control(priv);
 
 	/* If RSN is already enabled, don't try to enable it again, since
 	 * ENABLE_RSN resets internal state machines and will clobber the
@@ -360,11 +747,7 @@ static int assoc_helper_wpa_keys(struct lbs_private *priv,
 
 	if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
 		clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
-		ret = lbs_prepare_and_send_command(priv,
-					CMD_802_11_KEY_MATERIAL,
-					CMD_ACT_SET,
-					CMD_OPTION_WAITFORRSP,
-					0, assoc_req);
+		ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
 		assoc_req->flags = flags;
 	}
 
@@ -374,11 +757,7 @@ static int assoc_helper_wpa_keys(struct lbs_private *priv,
 	if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
 		clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
 
-		ret = lbs_prepare_and_send_command(priv,
-					CMD_802_11_KEY_MATERIAL,
-					CMD_ACT_SET,
-					CMD_OPTION_WAITFORRSP,
-					0, assoc_req);
+		ret = lbs_cmd_802_11_key_material(priv, CMD_ACT_SET, assoc_req);
 		assoc_req->flags = flags;
 	}
 
@@ -413,11 +792,10 @@ static int should_deauth_infrastructure(struct lbs_private *priv,
 {
 	int ret = 0;
 
-	lbs_deb_enter(LBS_DEB_ASSOC);
-
 	if (priv->connect_status != LBS_CONNECTED)
 		return 0;
 
+	lbs_deb_enter(LBS_DEB_ASSOC);
 	if (test_bit(ASSOC_FLAG_SSID, &assoc_req->flags)) {
 		lbs_deb_assoc("Deauthenticating due to new SSID\n");
 		ret = 1;
@@ -456,7 +834,7 @@ static int should_deauth_infrastructure(struct lbs_private *priv,
 
 out:
 	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
-	return 0;
+	return ret;
 }
 
 
@@ -489,6 +867,91 @@ static int should_stop_adhoc(struct lbs_private *priv,
 }
 
 
+/**
+ *  @brief This function finds the best SSID in the Scan List
+ *
+ *  Search the scan table for the best SSID that also matches the current
+ *   adapter network preference (infrastructure or adhoc)
+ *
+ *  @param priv  A pointer to struct lbs_private
+ *
+ *  @return         index in BSSID list
+ */
+static struct bss_descriptor *lbs_find_best_ssid_in_list(
+	struct lbs_private *priv, uint8_t mode)
+{
+	uint8_t bestrssi = 0;
+	struct bss_descriptor *iter_bss;
+	struct bss_descriptor *best_bss = NULL;
+
+	lbs_deb_enter(LBS_DEB_SCAN);
+
+	mutex_lock(&priv->lock);
+
+	list_for_each_entry(iter_bss, &priv->network_list, list) {
+		switch (mode) {
+		case IW_MODE_INFRA:
+		case IW_MODE_ADHOC:
+			if (!is_network_compatible(priv, iter_bss, mode))
+				break;
+			if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
+				break;
+			bestrssi = SCAN_RSSI(iter_bss->rssi);
+			best_bss = iter_bss;
+			break;
+		case IW_MODE_AUTO:
+		default:
+			if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
+				break;
+			bestrssi = SCAN_RSSI(iter_bss->rssi);
+			best_bss = iter_bss;
+			break;
+		}
+	}
+
+	mutex_unlock(&priv->lock);
+	lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
+	return best_bss;
+}
+
+/**
+ *  @brief Find the best AP
+ *
+ *  Used from association worker.
+ *
+ *  @param priv         A pointer to struct lbs_private structure
+ *  @param pSSID        A pointer to AP's ssid
+ *
+ *  @return             0--success, otherwise--fail
+ */
+static int lbs_find_best_network_ssid(struct lbs_private *priv,
+	uint8_t *out_ssid, uint8_t *out_ssid_len, uint8_t preferred_mode,
+	uint8_t *out_mode)
+{
+	int ret = -1;
+	struct bss_descriptor *found;
+
+	lbs_deb_enter(LBS_DEB_SCAN);
+
+	priv->scan_ssid_len = 0;
+	lbs_scan_networks(priv, 1);
+	if (priv->surpriseremoved)
+		goto out;
+
+	found = lbs_find_best_ssid_in_list(priv, preferred_mode);
+	if (found && (found->ssid_len > 0)) {
+		memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
+		*out_ssid_len = found->ssid_len;
+		*out_mode = found->mode;
+		ret = 0;
+	}
+
+out:
+	lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
+	return ret;
+}
+
+
 void lbs_association_worker(struct work_struct *work)
 {
 	struct lbs_private *priv = container_of(work, struct lbs_private,
@@ -643,17 +1106,11 @@ void lbs_association_worker(struct work_struct *work)
 		}
 
 		if (success) {
-			lbs_deb_assoc("ASSOC: associated to '%s', %s\n",
-				escape_essid(priv->curbssparams.ssid,
-				             priv->curbssparams.ssid_len),
+			lbs_deb_assoc("associated to %s\n",
 				print_mac(mac, priv->curbssparams.bssid));
 			lbs_prepare_and_send_command(priv,
 				CMD_802_11_RSSI,
 				0, CMD_OPTION_WAITFORRSP, 0, NULL);
-
-			lbs_prepare_and_send_command(priv,
-				CMD_802_11_GET_LOG,
-				0, CMD_OPTION_WAITFORRSP, 0, NULL);
 		} else {
 			ret = -1;
 		}
@@ -752,3 +1209,705 @@ struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
 	lbs_deb_leave(LBS_DEB_ASSOC);
 	return assoc_req;
 }
+
+
+/**
+ *  @brief This function finds common rates between rate1 and card rates.
+ *
+ * It will fill common rates in rate1 as output if found.
+ *
+ * NOTE: Setting the MSB of the basic rates need to be taken
+ *   care, either before or after calling this function
+ *
+ *  @param priv     A pointer to struct lbs_private structure
+ *  @param rate1       the buffer which keeps input and output
+ *  @param rate1_size  the size of rate1 buffer; new size of buffer on return
+ *
+ *  @return            0 or -1
+ */
+static int get_common_rates(struct lbs_private *priv,
+	u8 *rates,
+	u16 *rates_size)
+{
+	u8 *card_rates = lbs_bg_rates;
+	size_t num_card_rates = sizeof(lbs_bg_rates);
+	int ret = 0, i, j;
+	u8 tmp[30];
+	size_t tmp_size = 0;
+
+	/* For each rate in card_rates that exists in rate1, copy to tmp */
+	for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
+		for (j = 0; rates[j] && (j < *rates_size); j++) {
+			if (rates[j] == card_rates[i])
+				tmp[tmp_size++] = card_rates[i];
+		}
+	}
+
+	lbs_deb_hex(LBS_DEB_JOIN, "AP rates    ", rates, *rates_size);
+	lbs_deb_hex(LBS_DEB_JOIN, "card rates  ", card_rates, num_card_rates);
+	lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
+	lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
+
+	if (!priv->auto_rate) {
+		for (i = 0; i < tmp_size; i++) {
+			if (tmp[i] == priv->cur_rate)
+				goto done;
+		}
+		lbs_pr_alert("Previously set fixed data rate %#x isn't "
+		       "compatible with the network.\n", priv->cur_rate);
+		ret = -1;
+		goto done;
+	}
+	ret = 0;
+
+done:
+	memset(rates, 0, *rates_size);
+	*rates_size = min_t(int, tmp_size, *rates_size);
+	memcpy(rates, tmp, *rates_size);
+	return ret;
+}
+
+
+/**
+ *  @brief Sets the MSB on basic rates as the firmware requires
+ *
+ * Scan through an array and set the MSB for basic data rates.
+ *
+ *  @param rates     buffer of data rates
+ *  @param len       size of buffer
+ */
+static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		if (rates[i] == 0x02 || rates[i] == 0x04 ||
+		    rates[i] == 0x0b || rates[i] == 0x16)
+			rates[i] |= 0x80;
+	}
+}
+
+/**
+ *  @brief Send Deauthentication Request
+ *
+ *  @param priv      A pointer to struct lbs_private structure
+ *  @return          0--success, -1--fail
+ */
+int lbs_send_deauthentication(struct lbs_private *priv)
+{
+	return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE,
+				     0, CMD_OPTION_WAITFORRSP, 0, NULL);
+}
+
+/**
+ *  @brief This function prepares command of authenticate.
+ *
+ *  @param priv      A pointer to struct lbs_private structure
+ *  @param cmd       A pointer to cmd_ds_command structure
+ *  @param pdata_buf Void cast of pointer to a BSSID to authenticate with
+ *
+ *  @return         0 or -1
+ */
+int lbs_cmd_80211_authenticate(struct lbs_private *priv,
+				 struct cmd_ds_command *cmd,
+				 void *pdata_buf)
+{
+	struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
+	int ret = -1;
+	u8 *bssid = pdata_buf;
+	DECLARE_MAC_BUF(mac);
+
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
+			+ S_DS_GEN);
+
+	/* translate auth mode to 802.11 defined wire value */
+	switch (priv->secinfo.auth_mode) {
+	case IW_AUTH_ALG_OPEN_SYSTEM:
+		pauthenticate->authtype = 0x00;
+		break;
+	case IW_AUTH_ALG_SHARED_KEY:
+		pauthenticate->authtype = 0x01;
+		break;
+	case IW_AUTH_ALG_LEAP:
+		pauthenticate->authtype = 0x80;
+		break;
+	default:
+		lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
+			priv->secinfo.auth_mode);
+		goto out;
+	}
+
+	memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
+
+	lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
+		print_mac(mac, bssid), pauthenticate->authtype);
+	ret = 0;
+
+out:
+	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
+	return ret;
+}
+
+int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
+				   struct cmd_ds_command *cmd)
+{
+	struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
+
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE);
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
+			     S_DS_GEN);
+
+	/* set AP MAC address */
+	memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN);
+
+	/* Reason code 3 = Station is leaving */
+#define REASON_CODE_STA_LEAVING 3
+	dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
+
+	lbs_deb_leave(LBS_DEB_JOIN);
+	return 0;
+}
+
+int lbs_cmd_80211_associate(struct lbs_private *priv,
+			      struct cmd_ds_command *cmd, void *pdata_buf)
+{
+	struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
+	int ret = 0;
+	struct assoc_request *assoc_req = pdata_buf;
+	struct bss_descriptor *bss = &assoc_req->bss;
+	u8 *pos;
+	u16 tmpcap, tmplen;
+	struct mrvlietypes_ssidparamset *ssid;
+	struct mrvlietypes_phyparamset *phy;
+	struct mrvlietypes_ssparamset *ss;
+	struct mrvlietypes_ratesparamset *rates;
+	struct mrvlietypes_rsnparamset *rsn;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	pos = (u8 *) passo;
+
+	if (!priv) {
+		ret = -1;
+		goto done;
+	}
+
+	cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE);
+
+	memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr));
+	pos += sizeof(passo->peerstaaddr);
+
+	/* set the listen interval */
+	passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
+
+	pos += sizeof(passo->capability);
+	pos += sizeof(passo->listeninterval);
+	pos += sizeof(passo->bcnperiod);
+	pos += sizeof(passo->dtimperiod);
+
+	ssid = (struct mrvlietypes_ssidparamset *) pos;
+	ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
+	tmplen = bss->ssid_len;
+	ssid->header.len = cpu_to_le16(tmplen);
+	memcpy(ssid->ssid, bss->ssid, tmplen);
+	pos += sizeof(ssid->header) + tmplen;
+
+	phy = (struct mrvlietypes_phyparamset *) pos;
+	phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
+	tmplen = sizeof(phy->fh_ds.dsparamset);
+	phy->header.len = cpu_to_le16(tmplen);
+	memcpy(&phy->fh_ds.dsparamset,
+	       &bss->phyparamset.dsparamset.currentchan,
+	       tmplen);
+	pos += sizeof(phy->header) + tmplen;
+
+	ss = (struct mrvlietypes_ssparamset *) pos;
+	ss->header.type = cpu_to_le16(TLV_TYPE_CF);
+	tmplen = sizeof(ss->cf_ibss.cfparamset);
+	ss->header.len = cpu_to_le16(tmplen);
+	pos += sizeof(ss->header) + tmplen;
+
+	rates = (struct mrvlietypes_ratesparamset *) pos;
+	rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
+	memcpy(&rates->rates, &bss->rates, MAX_RATES);
+	tmplen = MAX_RATES;
+	if (get_common_rates(priv, rates->rates, &tmplen)) {
+		ret = -1;
+		goto done;
+	}
+	pos += sizeof(rates->header) + tmplen;
+	rates->header.len = cpu_to_le16(tmplen);
+	lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
+
+	/* Copy the infra. association rates into Current BSS state structure */
+	memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
+	memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
+
+	/* Set MSB on basic rates as the firmware requires, but _after_
+	 * copying to current bss rates.
+	 */
+	lbs_set_basic_rate_flags(rates->rates, tmplen);
+
+	if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
+		rsn = (struct mrvlietypes_rsnparamset *) pos;
+		/* WPA_IE or WPA2_IE */
+		rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
+		tmplen = (u16) assoc_req->wpa_ie[1];
+		rsn->header.len = cpu_to_le16(tmplen);
+		memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
+		lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn,
+			sizeof(rsn->header) + tmplen);
+		pos += sizeof(rsn->header) + tmplen;
+	}
+
+	/* update curbssparams */
+	priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan;
+
+	if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
+		ret = -1;
+		goto done;
+	}
+
+	cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
+
+	/* set the capability info */
+	tmpcap = (bss->capability & CAPINFO_MASK);
+	if (bss->mode == IW_MODE_INFRA)
+		tmpcap |= WLAN_CAPABILITY_ESS;
+	passo->capability = cpu_to_le16(tmpcap);
+	lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
+
+done:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
+				 struct cmd_ds_command *cmd, void *pdata_buf)
+{
+	struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
+	int ret = 0;
+	int cmdappendsize = 0;
+	struct assoc_request *assoc_req = pdata_buf;
+	u16 tmpcap = 0;
+	size_t ratesize = 0;
+
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	if (!priv) {
+		ret = -1;
+		goto done;
+	}
+
+	cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START);
+
+	/*
+	 * Fill in the parameters for 2 data structures:
+	 *   1. cmd_ds_802_11_ad_hoc_start command
+	 *   2. priv->scantable[i]
+	 *
+	 * Driver will fill up SSID, bsstype,IBSS param, Physical Param,
+	 *   probe delay, and cap info.
+	 *
+	 * Firmware will fill up beacon period, DTIM, Basic rates
+	 *   and operational rates.
+	 */
+
+	memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE);
+	memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len);
+
+	lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
+		escape_essid(assoc_req->ssid, assoc_req->ssid_len),
+		assoc_req->ssid_len);
+
+	/* set the BSS type */
+	adhs->bsstype = CMD_BSS_TYPE_IBSS;
+	priv->mode = IW_MODE_ADHOC;
+	if (priv->beacon_period == 0)
+		priv->beacon_period = MRVDRV_BEACON_INTERVAL;
+	adhs->beaconperiod = cpu_to_le16(priv->beacon_period);
+
+	/* set Physical param set */
+#define DS_PARA_IE_ID   3
+#define DS_PARA_IE_LEN  1
+
+	adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
+	adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
+
+	WARN_ON(!assoc_req->channel);
+
+	lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
+		     assoc_req->channel);
+
+	adhs->phyparamset.dsparamset.currentchan = assoc_req->channel;
+
+	/* set IBSS param set */
+#define IBSS_PARA_IE_ID   6
+#define IBSS_PARA_IE_LEN  2
+
+	adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
+	adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
+	adhs->ssparamset.ibssparamset.atimwindow = 0;
+
+	/* set capability info */
+	tmpcap = WLAN_CAPABILITY_IBSS;
+	if (assoc_req->secinfo.wep_enabled) {
+		lbs_deb_join("ADHOC_S_CMD: WEP enabled, "
+			"setting privacy on\n");
+		tmpcap |= WLAN_CAPABILITY_PRIVACY;
+	} else {
+		lbs_deb_join("ADHOC_S_CMD: WEP disabled, "
+			"setting privacy off\n");
+	}
+	adhs->capability = cpu_to_le16(tmpcap);
+
+	/* probedelay */
+	adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
+
+	memset(adhs->rates, 0, sizeof(adhs->rates));
+	ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates));
+	memcpy(adhs->rates, lbs_bg_rates, ratesize);
+
+	/* Copy the ad-hoc creating rates into Current BSS state structure */
+	memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
+	memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize);
+
+	/* Set MSB on basic rates as the firmware requires, but _after_
+	 * copying to current bss rates.
+	 */
+	lbs_set_basic_rate_flags(adhs->rates, ratesize);
+
+	lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
+	       adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]);
+
+	lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
+
+	if (lbs_create_dnld_countryinfo_11d(priv)) {
+		lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
+		ret = -1;
+		goto done;
+	}
+
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) +
+				S_DS_GEN + cmdappendsize);
+
+	ret = 0;
+done:
+	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
+	return ret;
+}
+
+int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd)
+{
+	cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP);
+	cmd->size = cpu_to_le16(S_DS_GEN);
+
+	return 0;
+}
+
+int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
+				struct cmd_ds_command *cmd, void *pdata_buf)
+{
+	struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj;
+	struct assoc_request *assoc_req = pdata_buf;
+	struct bss_descriptor *bss = &assoc_req->bss;
+	int cmdappendsize = 0;
+	int ret = 0;
+	u16 ratesize = 0;
+	DECLARE_MAC_BUF(mac);
+
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN);
+
+	join_cmd->bss.type = CMD_BSS_TYPE_IBSS;
+	join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
+
+	memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN);
+	memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len);
+
+	memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset,
+	       sizeof(union ieeetypes_phyparamset));
+
+	memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset,
+	       sizeof(union IEEEtypes_ssparamset));
+
+	join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
+	lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
+	       bss->capability, CAPINFO_MASK);
+
+	/* information on BSSID descriptor passed to FW */
+	lbs_deb_join(
+	       "ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
+	       print_mac(mac, join_cmd->bss.bssid),
+	       join_cmd->bss.ssid);
+
+	/* failtimeout */
+	join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
+
+	/* probedelay */
+	join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
+
+	priv->curbssparams.channel = bss->channel;
+
+	/* Copy Data rates from the rates recorded in scan response */
+	memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates));
+	ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES);
+	memcpy(join_cmd->bss.rates, bss->rates, ratesize);
+	if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) {
+		lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
+		ret = -1;
+		goto done;
+	}
+
+	/* Copy the ad-hoc creating rates into Current BSS state structure */
+	memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
+	memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize);
+
+	/* Set MSB on basic rates as the firmware requires, but _after_
+	 * copying to current bss rates.
+	 */
+	lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize);
+
+	join_cmd->bss.ssparamset.ibssparamset.atimwindow =
+	    cpu_to_le16(bss->atimwindow);
+
+	if (assoc_req->secinfo.wep_enabled) {
+		u16 tmp = le16_to_cpu(join_cmd->bss.capability);
+		tmp |= WLAN_CAPABILITY_PRIVACY;
+		join_cmd->bss.capability = cpu_to_le16(tmp);
+	}
+
+	if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
+		/* wake up first */
+		__le32 Localpsmode;
+
+		Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
+		ret = lbs_prepare_and_send_command(priv,
+					    CMD_802_11_PS_MODE,
+					    CMD_ACT_SET,
+					    0, 0, &Localpsmode);
+
+		if (ret) {
+			ret = -1;
+			goto done;
+		}
+	}
+
+	if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
+		ret = -1;
+		goto done;
+	}
+
+	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) +
+				S_DS_GEN + cmdappendsize);
+
+done:
+	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
+	return ret;
+}
+
+int lbs_ret_80211_associate(struct lbs_private *priv,
+			      struct cmd_ds_command *resp)
+{
+	int ret = 0;
+	union iwreq_data wrqu;
+	struct ieeetypes_assocrsp *passocrsp;
+	struct bss_descriptor *bss;
+	u16 status_code;
+
+	lbs_deb_enter(LBS_DEB_ASSOC);
+
+	if (!priv->in_progress_assoc_req) {
+		lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n");
+		ret = -1;
+		goto done;
+	}
+	bss = &priv->in_progress_assoc_req->bss;
+
+	passocrsp = (struct ieeetypes_assocrsp *) &resp->params;
+
+	/*
+	 * Older FW versions map the IEEE 802.11 Status Code in the association
+	 * response to the following values returned in passocrsp->statuscode:
+	 *
+	 *    IEEE Status Code                Marvell Status Code
+	 *    0                       ->      0x0000 ASSOC_RESULT_SUCCESS
+	 *    13                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+	 *    14                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+	 *    15                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+	 *    16                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+	 *    others                  ->      0x0003 ASSOC_RESULT_REFUSED
+	 *
+	 * Other response codes:
+	 *    0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
+	 *    0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
+	 *                                    association response from the AP)
+	 */
+
+	status_code = le16_to_cpu(passocrsp->statuscode);
+	switch (status_code) {
+	case 0x00:
+		break;
+	case 0x01:
+		lbs_deb_assoc("ASSOC_RESP: invalid parameters\n");
+		break;
+	case 0x02:
+		lbs_deb_assoc("ASSOC_RESP: internal timer "
+			"expired while waiting for the AP\n");
+		break;
+	case 0x03:
+		lbs_deb_assoc("ASSOC_RESP: association "
+			"refused by AP\n");
+		break;
+	case 0x04:
+		lbs_deb_assoc("ASSOC_RESP: authentication "
+			"refused by AP\n");
+		break;
+	default:
+		lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x "
+			" unknown\n", status_code);
+		break;
+	}
+
+	if (status_code) {
+		lbs_mac_event_disconnected(priv);
+		ret = -1;
+		goto done;
+	}
+
+	lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP", (void *)&resp->params,
+		le16_to_cpu(resp->size) - S_DS_GEN);
+
+	/* Send a Media Connected event, according to the Spec */
+	priv->connect_status = LBS_CONNECTED;
+
+	/* Update current SSID and BSSID */
+	memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
+	priv->curbssparams.ssid_len = bss->ssid_len;
+	memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
+
+	priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
+	priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
+
+	memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
+	memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
+	priv->nextSNRNF = 0;
+	priv->numSNRNF = 0;
+
+	netif_carrier_on(priv->dev);
+	if (!priv->tx_pending_len)
+		netif_wake_queue(priv->dev);
+
+	memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
+	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+
+done:
+	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
+	return ret;
+}
+
+int lbs_ret_80211_disassociate(struct lbs_private *priv)
+{
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	lbs_mac_event_disconnected(priv);
+
+	lbs_deb_leave(LBS_DEB_JOIN);
+	return 0;
+}
+
+int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
+				 struct cmd_ds_command *resp)
+{
+	int ret = 0;
+	u16 command = le16_to_cpu(resp->command);
+	u16 result = le16_to_cpu(resp->result);
+	struct cmd_ds_802_11_ad_hoc_result *padhocresult;
+	union iwreq_data wrqu;
+	struct bss_descriptor *bss;
+	DECLARE_MAC_BUF(mac);
+
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	padhocresult = &resp->params.result;
+
+	lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size));
+	lbs_deb_join("ADHOC_RESP: command = %x\n", command);
+	lbs_deb_join("ADHOC_RESP: result = %x\n", result);
+
+	if (!priv->in_progress_assoc_req) {
+		lbs_deb_join("ADHOC_RESP: no in-progress association "
+			"request\n");
+		ret = -1;
+		goto done;
+	}
+	bss = &priv->in_progress_assoc_req->bss;
+
+	/*
+	 * Join result code 0 --> SUCCESS
+	 */
+	if (result) {
+		lbs_deb_join("ADHOC_RESP: failed\n");
+		if (priv->connect_status == LBS_CONNECTED)
+			lbs_mac_event_disconnected(priv);
+		ret = -1;
+		goto done;
+	}
+
+	/*
+	 * Now the join cmd should be successful
+	 * If BSSID has changed use SSID to compare instead of BSSID
+	 */
+	lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
+		escape_essid(bss->ssid, bss->ssid_len));
+
+	/* Send a Media Connected event, according to the Spec */
+	priv->connect_status = LBS_CONNECTED;
+
+	if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
+		/* Update the created network descriptor with the new BSSID */
+		memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN);
+	}
+
+	/* Set the BSSID from the joined/started descriptor */
+	memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
+
+	/* Set the new SSID to current SSID */
+	memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
+	priv->curbssparams.ssid_len = bss->ssid_len;
+
+	netif_carrier_on(priv->dev);
+	if (!priv->tx_pending_len)
+		netif_wake_queue(priv->dev);
+
+	memset(&wrqu, 0, sizeof(wrqu));
+	memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
+	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
+
+	lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
+	lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel);
+	lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
+		     print_mac(mac, padhocresult->bssid));
+
+done:
+	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
+	return ret;
+}
+
+int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv)
+{
+	lbs_deb_enter(LBS_DEB_JOIN);
+
+	lbs_mac_event_disconnected(priv);
+
+	lbs_deb_leave(LBS_DEB_JOIN);
+	return 0;
+}
diff --git a/drivers/net/wireless/libertas/assoc.h b/drivers/net/wireless/libertas/assoc.h
index 08372bb..c516fbe 100644
--- a/drivers/net/wireless/libertas/assoc.h
+++ b/drivers/net/wireless/libertas/assoc.h
@@ -7,6 +7,33 @@
 
 void lbs_association_worker(struct work_struct *work);
 struct assoc_request *lbs_get_association_request(struct lbs_private *priv);
-void lbs_sync_channel(struct work_struct *work);
+
+struct cmd_ds_command;
+int lbs_cmd_80211_authenticate(struct lbs_private *priv,
+					struct cmd_ds_command *cmd,
+					void *pdata_buf);
+int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
+				       struct cmd_ds_command *cmd,
+				       void *pdata_buf);
+int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd);
+int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
+					struct cmd_ds_command *cmd,
+					void *pdata_buf);
+int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
+					  struct cmd_ds_command *cmd);
+int lbs_cmd_80211_associate(struct lbs_private *priv,
+				     struct cmd_ds_command *cmd,
+				     void *pdata_buf);
+
+int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
+					struct cmd_ds_command *resp);
+int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv);
+int lbs_ret_80211_disassociate(struct lbs_private *priv);
+int lbs_ret_80211_associate(struct lbs_private *priv,
+				     struct cmd_ds_command *resp);
+
+int lbs_stop_adhoc_network(struct lbs_private *priv);
+
+int lbs_send_deauthentication(struct lbs_private *priv);
 
 #endif /* _LBS_ASSOC_H */
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index b3c1acb..6328b95 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -4,19 +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 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,
-		    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;
+}
 
 
 /**
@@ -143,8 +181,7 @@ int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria)
 }
 EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
 
-static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv,
-				   struct cmd_ds_command *cmd,
+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;
@@ -259,6 +296,7 @@ int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
+	memset(&cmd, 0, sizeof(cmd));
 	cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
 	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
 
@@ -322,7 +360,9 @@ int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t 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)
 			cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
 		else
@@ -338,81 +378,108 @@ int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 	return ret;
 }
 
-static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset,
-                            struct enc_key * pkey)
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
+                            struct enc_key *key)
 {
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	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);
-	}
+	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);
 
-	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));
+	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);
+
+	/* 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;
+
+			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;
 
-	cmd->size = cpu_to_le16(  S_DS_GEN
-	                        + sizeof (pkeymaterial->action)
-	                        + (index * sizeof(struct MrvlIEtype_keyParamSet)));
+			/* 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);
 
-	ret = 0;
+			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;
 
@@ -426,30 +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,
@@ -570,8 +613,7 @@ static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv,
 	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)
 {
 
@@ -614,8 +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;
@@ -773,6 +814,7 @@ 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);
 
@@ -788,6 +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
  *
@@ -804,6 +862,7 @@ 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);
@@ -842,8 +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;
@@ -917,53 +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;
@@ -1000,8 +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;
@@ -1153,9 +1164,9 @@ static void lbs_submit_command(struct lbs_private *priv,
 	    command == CMD_802_11_AUTHENTICATE)
 		timeo = 10 * HZ;
 
-	lbs_deb_host("DNLD_CMD: command 0x%04x, seq %d, size %d, jiffies %lu\n",
-		     command, le16_to_cpu(cmd->seqnum), cmdsize, jiffies);
-	lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
+	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);
 
@@ -1164,9 +1175,7 @@ static void lbs_submit_command(struct lbs_private *priv,
 		/* Let the timer kick in and retry, and potentially reset
 		   the whole thing if the condition persists */
 		timeo = HZ;
-	} else
-		lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n",
-			    command, jiffies);
+	}
 
 	/* Setup the timer after transmit command */
 	mod_timer(&priv->command_timer, jiffies + timeo);
@@ -1174,24 +1183,6 @@ static void lbs_submit_command(struct lbs_private *priv,
 	lbs_deb_leave(LBS_DEB_HOST);
 }
 
-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;
-}
-
 /**
  *  This function inserts command node to cmdfreeq
  *  after cleans it. Requires priv->driver_lock held.
@@ -1234,7 +1225,7 @@ void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
 	cmd->cmdwaitqwoken = 1;
 	wake_up_interruptible(&cmd->cmdwait_q);
 
-	if (!cmd->callback)
+	if (!cmd->callback || cmd->callback == lbs_cmd_async_callback)
 		__lbs_cleanup_and_insert_cmd(priv, cmd);
 	priv->cur_cmd = NULL;
 }
@@ -1278,18 +1269,20 @@ int lbs_set_radio_control(struct lbs_private *priv)
 	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);
 }
 
 /**
@@ -1338,7 +1331,8 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 		goto done;
 	}
 
-	lbs_set_cmd_ctrl_node(priv, cmdnode, pdata_buf);
+	cmdnode->callback = NULL;
+	cmdnode->callback_arg = (unsigned long)pdata_buf;
 
 	cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf;
 
@@ -1353,15 +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:
@@ -1376,25 +1362,15 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 	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);
@@ -1403,12 +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);
+		ret = lbs_cmd_802_11_rf_tx_power(cmdptr,
+						 cmd_action, pdata_buf);
 		break;
 
 	case CMD_802_11_RATE_ADAPT_RATESET:
@@ -1421,7 +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;
 
@@ -1434,26 +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_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:
@@ -1509,22 +1466,12 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 			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:
@@ -1697,36 +1644,6 @@ static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv)
 }
 
 /**
- *  @brief This function cleans command node.
- *
- *  @param ptempnode	A pointer to cmdCtrlNode structure
- *  @return 		n/a
- */
-
-/**
- *  @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 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,
-				  void *pdata_buf)
-{
-	lbs_deb_enter(LBS_DEB_HOST);
-
-	if (!ptempnode)
-		return;
-
-	ptempnode->callback = NULL;
-	ptempnode->callback_arg = (unsigned long)pdata_buf;
-
-	lbs_deb_leave(LBS_DEB_HOST);
-}
-
-/**
  *  @brief This function executes next command in command
  *  pending queue. It will put fimware back to PS mode
  *  if applicable.
@@ -1741,9 +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);
@@ -1907,44 +1824,32 @@ 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);
-
-	lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size);
-
-	ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, 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;
+	}
 
 	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 (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);
+	/* 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;
 
-		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)
@@ -1992,10 +1897,10 @@ 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);
 
@@ -2005,20 +1910,22 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode)
 	}
 
 	spin_lock_irqsave(&priv->driver_lock, flags);
+	/* In-progress command? */
 	if (priv->cur_cmd) {
 		allowed = 0;
 		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\n", 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");
 	}
@@ -2027,39 +1934,10 @@ 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;
-}
-EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
-
-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)
+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;
 
@@ -2096,9 +1974,6 @@ struct cmd_ctrl_node *__lbs_cmd_async(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);
 	wake_up_interruptible(&priv->waitq);
@@ -2108,6 +1983,15 @@ struct cmd_ctrl_node *__lbs_cmd_async(struct lbs_private *priv, uint16_t command
 	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 *),
diff --git a/drivers/net/wireless/libertas/cmd.h b/drivers/net/wireless/libertas/cmd.h
index b9ab85c..3dfc2d4 100644
--- a/drivers/net/wireless/libertas/cmd.h
+++ b/drivers/net/wireless/libertas/cmd.h
@@ -18,12 +18,9 @@
 #define lbs_cmd_with_response(priv, cmdnr, cmd)	\
 	lbs_cmd(priv, cmdnr, cmd, lbs_cmd_copyback, (unsigned long) (cmd))
 
-/* __lbs_cmd() will free the cmdnode and return success/failure.
-   __lbs_cmd_async() requires that the callback free the cmdnode */
-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);
+void lbs_cmd_async(struct lbs_private *priv, uint16_t command,
+	struct cmd_header *in_cmd, int in_cmd_size);
+
 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 *),
@@ -57,5 +54,7 @@ int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
 			   struct assoc_request *assoc);
 int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
 			      uint16_t *enable);
+int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
+				struct assoc_request *assoc);
 
 #endif /* _LBS_CMD_H */
diff --git a/drivers/net/wireless/libertas/cmdresp.c b/drivers/net/wireless/libertas/cmdresp.c
index f0ef708..5abecb7 100644
--- a/drivers/net/wireless/libertas/cmdresp.c
+++ b/drivers/net/wireless/libertas/cmdresp.c
@@ -12,7 +12,7 @@
 #include "decl.h"
 #include "defs.h"
 #include "dev.h"
-#include "join.h"
+#include "assoc.h"
 #include "wext.h"
 
 /**
@@ -74,7 +74,7 @@ void lbs_mac_event_disconnected(struct lbs_private *priv)
 		lbs_deb_cmd("disconnected, so exit PS mode\n");
 		lbs_ps_wakeup(priv, 0);
 	}
-	lbs_deb_leave(LBS_DEB_CMD);
+	lbs_deb_leave(LBS_DEB_ASSOC);
 }
 
 /**
@@ -146,22 +146,6 @@ static int lbs_ret_reg_access(struct lbs_private *priv,
 	return ret;
 }
 
-static int lbs_ret_802_11_stat(struct lbs_private *priv,
-				struct cmd_ds_command *resp)
-{
-	lbs_deb_enter(LBS_DEB_CMD);
-/*	currently priv->wlan802_11Stat is unused
-
-	struct cmd_ds_802_11_get_stat *p11Stat = &resp->params.gstat;
-
-	// TODO Convert it to Big endian befor copy
-	memcpy(&priv->wlan802_11Stat,
-	       p11Stat, sizeof(struct cmd_ds_802_11_get_stat));
-*/
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
 static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
 				    struct cmd_ds_command *resp)
 {
@@ -204,74 +188,6 @@ static int lbs_ret_802_11_snmp_mib(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_ret_802_11_key_material(struct lbs_private *priv,
-					struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11_key_material *pkeymaterial =
-	    &resp->params.keymaterial;
-	u16 action = le16_to_cpu(pkeymaterial->action);
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	/* Copy the returned key to driver private data */
-	if (action == CMD_ACT_GET) {
-		u8 * buf_ptr = (u8 *) &pkeymaterial->keyParamSet;
-		u8 * resp_end = (u8 *) (resp + le16_to_cpu(resp->size));
-
-		while (buf_ptr < resp_end) {
-			struct MrvlIEtype_keyParamSet * pkeyparamset =
-			    (struct MrvlIEtype_keyParamSet *) buf_ptr;
-			struct enc_key * pkey;
-			u16 param_set_len = le16_to_cpu(pkeyparamset->length);
-			u16 key_len = le16_to_cpu(pkeyparamset->keylen);
-			u16 key_flags = le16_to_cpu(pkeyparamset->keyinfo);
-			u16 key_type = le16_to_cpu(pkeyparamset->keytypeid);
-			u8 * end;
-
-			end = (u8 *) pkeyparamset + sizeof (pkeyparamset->type)
-			                          + sizeof (pkeyparamset->length)
-			                          + param_set_len;
-			/* Make sure we don't access past the end of the IEs */
-			if (end > resp_end)
-				break;
-
-			if (key_flags & KEY_INFO_WPA_UNICAST)
-				pkey = &priv->wpa_unicast_key;
-			else if (key_flags & KEY_INFO_WPA_MCAST)
-				pkey = &priv->wpa_mcast_key;
-			else
-				break;
-
-			/* Copy returned key into driver */
-			memset(pkey, 0, sizeof(struct enc_key));
-			if (key_len > sizeof(pkey->key))
-				break;
-			pkey->type = key_type;
-			pkey->flags = key_flags;
-			pkey->len = key_len;
-			memcpy(pkey->key, pkeyparamset->key, pkey->len);
-
-			buf_ptr = end + 1;
-		}
-	}
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_ret_802_11_mac_address(struct lbs_private *priv,
-				       struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11_mac_address *macadd = &resp->params.macadd;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	memcpy(priv->current_addr, macadd->macadd, ETH_ALEN);
-
-	lbs_deb_enter(LBS_DEB_CMD);
-	return 0;
-}
-
 static int lbs_ret_802_11_rf_tx_power(struct lbs_private *priv,
 				       struct cmd_ds_command *resp)
 {
@@ -333,45 +249,6 @@ static int lbs_ret_802_11_rssi(struct lbs_private *priv,
 	return 0;
 }
 
-static int lbs_ret_802_11_eeprom_access(struct lbs_private *priv,
-				  struct cmd_ds_command *resp)
-{
-	struct lbs_ioctl_regrdwr *pbuf;
-	pbuf = (struct lbs_ioctl_regrdwr *) priv->prdeeprom;
-
-	lbs_deb_enter_args(LBS_DEB_CMD, "len %d",
-	       le16_to_cpu(resp->params.rdeeprom.bytecount));
-	if (pbuf->NOB < le16_to_cpu(resp->params.rdeeprom.bytecount)) {
-		pbuf->NOB = 0;
-		lbs_deb_cmd("EEPROM read length too big\n");
-		return -1;
-	}
-	pbuf->NOB = le16_to_cpu(resp->params.rdeeprom.bytecount);
-	if (pbuf->NOB > 0) {
-
-		memcpy(&pbuf->value, (u8 *) & resp->params.rdeeprom.value,
-		       le16_to_cpu(resp->params.rdeeprom.bytecount));
-		lbs_deb_hex(LBS_DEB_CMD, "EEPROM", (char *)&pbuf->value,
-			le16_to_cpu(resp->params.rdeeprom.bytecount));
-	}
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
-static int lbs_ret_get_log(struct lbs_private *priv,
-			    struct cmd_ds_command *resp)
-{
-	struct cmd_ds_802_11_get_log *logmessage = &resp->params.glog;
-
-	lbs_deb_enter(LBS_DEB_CMD);
-
-	/* Stored little-endian */
-	memcpy(&priv->logmsg, logmessage, sizeof(struct cmd_ds_802_11_get_log));
-
-	lbs_deb_leave(LBS_DEB_CMD);
-	return 0;
-}
-
 static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
 					struct cmd_ds_command *resp)
 {
@@ -390,7 +267,6 @@ static int lbs_ret_802_11_bcn_ctrl(struct lbs_private * priv,
 }
 
 static inline int handle_cmd_response(struct lbs_private *priv,
-				      unsigned long dummy,
 				      struct cmd_header *cmd_response)
 {
 	struct cmd_ds_command *resp = (struct cmd_ds_command *) cmd_response;
@@ -407,14 +283,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		ret = lbs_ret_reg_access(priv, respcmd, resp);
 		break;
 
-	case CMD_RET(CMD_802_11_SCAN):
-		ret = lbs_ret_80211_scan(priv, resp);
-		break;
-
-	case CMD_RET(CMD_802_11_GET_LOG):
-		ret = lbs_ret_get_log(priv, resp);
-		break;
-
 	case CMD_RET_802_11_ASSOCIATE:
 	case CMD_RET(CMD_802_11_ASSOCIATE):
 	case CMD_RET(CMD_802_11_REASSOCIATE):
@@ -423,7 +291,7 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 
 	case CMD_RET(CMD_802_11_DISASSOCIATE):
 	case CMD_RET(CMD_802_11_DEAUTHENTICATE):
-		ret = lbs_ret_80211_disassociate(priv, resp);
+		ret = lbs_ret_80211_disassociate(priv);
 		break;
 
 	case CMD_RET(CMD_802_11_AD_HOC_START):
@@ -431,10 +299,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		ret = lbs_ret_80211_ad_hoc_start(priv, resp);
 		break;
 
-	case CMD_RET(CMD_802_11_GET_STAT):
-		ret = lbs_ret_802_11_stat(priv, resp);
-		break;
-
 	case CMD_RET(CMD_802_11_SNMP_MIB):
 		ret = lbs_ret_802_11_snmp_mib(priv, resp);
 		break;
@@ -453,7 +317,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		break;
 
 	case CMD_RET(CMD_MAC_MULTICAST_ADR):
-	case CMD_RET(CMD_MAC_CONTROL):
 	case CMD_RET(CMD_802_11_RESET):
 	case CMD_RET(CMD_802_11_AUTHENTICATE):
 	case CMD_RET(CMD_802_11_BEACON_STOP):
@@ -467,24 +330,12 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		ret = lbs_ret_802_11_rssi(priv, resp);
 		break;
 
-	case CMD_RET(CMD_802_11_MAC_ADDRESS):
-		ret = lbs_ret_802_11_mac_address(priv, resp);
-		break;
-
 	case CMD_RET(CMD_802_11_AD_HOC_STOP):
-		ret = lbs_ret_80211_ad_hoc_stop(priv, resp);
-		break;
-
-	case CMD_RET(CMD_802_11_KEY_MATERIAL):
-		ret = lbs_ret_802_11_key_material(priv, resp);
-		break;
-
-	case CMD_RET(CMD_802_11_EEPROM_ACCESS):
-		ret = lbs_ret_802_11_eeprom_access(priv, resp);
+		ret = lbs_ret_80211_ad_hoc_stop(priv);
 		break;
 
 	case CMD_RET(CMD_802_11D_DOMAIN_INFO):
-		ret = lbs_ret_802_11d_domain_info(priv, resp);
+		ret = lbs_ret_802_11d_domain_info(resp);
 		break;
 
 	case CMD_RET(CMD_802_11_TPC_CFG):
@@ -500,14 +351,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 		spin_unlock_irqrestore(&priv->driver_lock, flags);
 		break;
 
-	case CMD_RET(CMD_802_11_PWR_CFG):
-		spin_lock_irqsave(&priv->driver_lock, flags);
-		memmove((void *)priv->cur_cmd->callback_arg, &resp->params.pwrcfg,
-			sizeof(struct cmd_ds_802_11_pwr_cfg));
-		spin_unlock_irqrestore(&priv->driver_lock, flags);
-
-		break;
-
 	case CMD_RET(CMD_GET_TSF):
 		spin_lock_irqsave(&priv->driver_lock, flags);
 		memcpy((void *)priv->cur_cmd->callback_arg,
@@ -541,7 +384,7 @@ static inline int handle_cmd_response(struct lbs_private *priv,
 	return ret;
 }
 
-int lbs_process_rx_command(struct lbs_private *priv)
+int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len)
 {
 	uint16_t respcmd, curcmd;
 	struct cmd_header *resp;
@@ -561,14 +404,14 @@ int lbs_process_rx_command(struct lbs_private *priv)
 		goto done;
 	}
 
-	resp = (void *)priv->upld_buf;
+	resp = (void *)data;
 	curcmd = le16_to_cpu(priv->cur_cmd->cmdbuf->command);
 	respcmd = le16_to_cpu(resp->command);
 	result = le16_to_cpu(resp->result);
 
-	lbs_deb_host("CMD_RESP: response 0x%04x, seq %d, size %d, jiffies %lu\n",
-		     respcmd, le16_to_cpu(resp->seqnum), priv->upld_len, jiffies);
-	lbs_deb_hex(LBS_DEB_HOST, "CMD_RESP", (void *) resp, priv->upld_len);
+	lbs_deb_cmd("CMD_RESP: response 0x%04x, seq %d, size %d\n",
+		     respcmd, le16_to_cpu(resp->seqnum), len);
+	lbs_deb_hex(LBS_DEB_CMD, "CMD_RESP", (void *) resp, len);
 
 	if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
 		lbs_pr_info("Received CMD_RESP with invalid sequence %d (expected %d)\n",
@@ -687,7 +530,7 @@ int lbs_process_rx_command(struct lbs_private *priv)
 		ret = priv->cur_cmd->callback(priv, priv->cur_cmd->callback_arg,
 				resp);
 	} else
-		ret = handle_cmd_response(priv, 0, resp);
+		ret = handle_cmd_response(priv, resp);
 
 	spin_lock_irqsave(&priv->driver_lock, flags);
 
@@ -705,21 +548,20 @@ done:
 
 static int lbs_send_confirmwake(struct lbs_private *priv)
 {
-	struct cmd_header *cmd = &priv->lbs_ps_confirm_wake;
+	struct cmd_header cmd;
 	int ret = 0;
 
 	lbs_deb_enter(LBS_DEB_HOST);
 
-	cmd->command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM);
-	cmd->size = cpu_to_le16(sizeof(*cmd));
-	cmd->seqnum = cpu_to_le16(++priv->seqnum);
-	cmd->result = 0;
-
-	lbs_deb_host("SEND_WAKEC_CMD: before download\n");
+	cmd.command = cpu_to_le16(CMD_802_11_WAKEUP_CONFIRM);
+	cmd.size = cpu_to_le16(sizeof(cmd));
+	cmd.seqnum = cpu_to_le16(++priv->seqnum);
+	cmd.result = 0;
 
-	lbs_deb_hex(LBS_DEB_HOST, "wake confirm command", (void *)cmd, sizeof(*cmd));
+	lbs_deb_hex(LBS_DEB_HOST, "wake confirm", (u8 *) &cmd,
+		sizeof(cmd));
 
-	ret = priv->hw_host_to_card(priv, MVMS_CMD, (void *)cmd, sizeof(*cmd));
+	ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &cmd, sizeof(cmd));
 	if (ret)
 		lbs_pr_alert("SEND_WAKEC_CMD: Host to Card failed for Confirm Wake\n");
 
@@ -727,22 +569,15 @@ static int lbs_send_confirmwake(struct lbs_private *priv)
 	return ret;
 }
 
-int lbs_process_event(struct lbs_private *priv)
+int lbs_process_event(struct lbs_private *priv, u32 event)
 {
 	int ret = 0;
-	u32 eventcause;
 
 	lbs_deb_enter(LBS_DEB_CMD);
 
-	spin_lock_irq(&priv->driver_lock);
-	eventcause = priv->eventcause >> SBI_EVENT_CAUSE_SHIFT;
-	spin_unlock_irq(&priv->driver_lock);
-
-	lbs_deb_cmd("event cause %d\n", eventcause);
-
-	switch (eventcause) {
+	switch (event) {
 	case MACREG_INT_CODE_LINK_SENSED:
-		lbs_deb_cmd("EVENT: MACREG_INT_CODE_LINK_SENSED\n");
+		lbs_deb_cmd("EVENT: link sensed\n");
 		break;
 
 	case MACREG_INT_CODE_DEAUTHENTICATED:
@@ -761,7 +596,7 @@ int lbs_process_event(struct lbs_private *priv)
 		break;
 
 	case MACREG_INT_CODE_PS_SLEEP:
-		lbs_deb_cmd("EVENT: sleep\n");
+		lbs_deb_cmd("EVENT: ps sleep\n");
 
 		/* handle unexpected PS SLEEP event */
 		if (priv->psstate == PS_STATE_FULL_POWER) {
@@ -771,17 +606,17 @@ int lbs_process_event(struct lbs_private *priv)
 		}
 		priv->psstate = PS_STATE_PRE_SLEEP;
 
-		lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
+		lbs_ps_confirm_sleep(priv);
 
 		break;
 
 	case MACREG_INT_CODE_HOST_AWAKE:
-		lbs_deb_cmd("EVENT: HOST_AWAKE\n");
+		lbs_deb_cmd("EVENT: host awake\n");
 		lbs_send_confirmwake(priv);
 		break;
 
 	case MACREG_INT_CODE_PS_AWAKE:
-		lbs_deb_cmd("EVENT: awake\n");
+		lbs_deb_cmd("EVENT: ps awake\n");
 		/* handle unexpected PS AWAKE event */
 		if (priv->psstate == PS_STATE_FULL_POWER) {
 			lbs_deb_cmd(
@@ -812,14 +647,16 @@ int lbs_process_event(struct lbs_private *priv)
 		lbs_deb_cmd("EVENT: MULTICAST MIC ERROR\n");
 		handle_mic_failureevent(priv, MACREG_INT_CODE_MIC_ERR_MULTICAST);
 		break;
+
 	case MACREG_INT_CODE_MIB_CHANGED:
+		lbs_deb_cmd("EVENT: MIB CHANGED\n");
+		break;
 	case MACREG_INT_CODE_INIT_DONE:
+		lbs_deb_cmd("EVENT: INIT DONE\n");
 		break;
-
 	case MACREG_INT_CODE_ADHOC_BCN_LOST:
 		lbs_deb_cmd("EVENT: ADHOC beacon lost\n");
 		break;
-
 	case MACREG_INT_CODE_RSSI_LOW:
 		lbs_pr_alert("EVENT: rssi low\n");
 		break;
@@ -854,14 +691,10 @@ int lbs_process_event(struct lbs_private *priv)
 		break;
 
 	default:
-		lbs_pr_alert("EVENT: unknown event id %d\n", eventcause);
+		lbs_pr_alert("EVENT: unknown event id %d\n", event);
 		break;
 	}
 
-	spin_lock_irq(&priv->driver_lock);
-	priv->eventcause = 0;
-	spin_unlock_irq(&priv->driver_lock);
-
 	lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
 	return ret;
 }
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c
index fd67b77..ad2fabc 100644
--- a/drivers/net/wireless/libertas/debugfs.c
+++ b/drivers/net/wireless/libertas/debugfs.c
@@ -19,7 +19,7 @@ static char *szStates[] = {
 };
 
 #ifdef PROC_DEBUG
-static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev);
+static void lbs_debug_init(struct lbs_private *priv);
 #endif
 
 static int open_file_generic(struct inode *inode, struct file *file)
@@ -78,7 +78,7 @@ static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
 		u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
 
 		pos += snprintf(buf+pos, len-pos,
-			"%02u| %03d | %04ld | %s |",
+			"%02u| %03d | %04d | %s |",
 			numscansdone, iter_bss->channel, iter_bss->rssi,
 			print_mac(mac, iter_bss->bssid));
 		pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
@@ -164,173 +164,6 @@ out_unlock:
 	return ret;
 }
 
-static ssize_t lbs_extscan(struct file *file, const char __user *userbuf,
-				  size_t count, loff_t *ppos)
-{
-	struct lbs_private *priv = file->private_data;
-	ssize_t res, buf_size;
-	union iwreq_data wrqu;
-	unsigned long addr = get_zeroed_page(GFP_KERNEL);
-	char *buf = (char *)addr;
-
-	buf_size = min(count, len - 1);
-	if (copy_from_user(buf, userbuf, buf_size)) {
-		res = -EFAULT;
-		goto out_unlock;
-	}
-
-	lbs_send_specific_ssid_scan(priv, buf, strlen(buf)-1, 0);
-
-	memset(&wrqu, 0, sizeof(union iwreq_data));
-	wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
-
-out_unlock:
-	free_page(addr);
-	return count;
-}
-
-static void lbs_parse_bssid(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold;
-	unsigned int mac[ETH_ALEN];
-
-	hold = strstr(buf, "bssid=");
-	if (!hold)
-		return;
-	hold += 6;
-	sscanf(hold, "%02x:%02x:%02x:%02x:%02x:%02x",
-	       mac, mac+1, mac+2, mac+3, mac+4, mac+5);
-	memcpy(scan_cfg->bssid, mac, ETH_ALEN);
-}
-
-static void lbs_parse_ssid(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold, *end;
-	ssize_t size;
-
-	hold = strstr(buf, "ssid=");
-	if (!hold)
-		return;
-	hold += 5;
-	end = strchr(hold, ' ');
-	if (!end)
-		end = buf + count - 1;
-
-	size = min((size_t)IW_ESSID_MAX_SIZE, (size_t) (end - hold));
-	strncpy(scan_cfg->ssid, hold, size);
-
-	return;
-}
-
-static int lbs_parse_clear(char *buf, size_t count, const char *tag)
-{
-	char *hold;
-	int val;
-
-	hold = strstr(buf, tag);
-	if (!hold)
-		return 0;
-	hold += strlen(tag);
-	sscanf(hold, "%d", &val);
-
-	if (val != 0)
-		val = 1;
-
-	return val;
-}
-
-static int lbs_parse_dur(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold;
-	int val;
-
-	hold = strstr(buf, "dur=");
-	if (!hold)
-		return 0;
-	hold += 4;
-	sscanf(hold, "%d", &val);
-
-	return val;
-}
-
-static void lbs_parse_type(char *buf, size_t count,
-	struct lbs_ioctl_user_scan_cfg *scan_cfg)
-{
-	char *hold;
-	int val;
-
-	hold = strstr(buf, "type=");
-	if (!hold)
-		return;
-	hold += 5;
-	sscanf(hold, "%d", &val);
-
-	/* type=1,2 or 3 */
-	if (val < 1 || val > 3)
-		return;
-
-	scan_cfg->bsstype = val;
-
-	return;
-}
-
-static ssize_t lbs_setuserscan(struct file *file,
-				    const char __user *userbuf,
-				    size_t count, loff_t *ppos)
-{
-	struct lbs_private *priv = file->private_data;
-	ssize_t res, buf_size;
-	struct lbs_ioctl_user_scan_cfg *scan_cfg;
-	union iwreq_data wrqu;
-	int dur;
-	char *buf = (char *)get_zeroed_page(GFP_KERNEL);
-
-	if (!buf)
-		return -ENOMEM;
-
-	buf_size = min(count, len - 1);
-	if (copy_from_user(buf, userbuf, buf_size)) {
-		res = -EFAULT;
-		goto out_buf;
-	}
-
-	scan_cfg = kzalloc(sizeof(struct lbs_ioctl_user_scan_cfg), GFP_KERNEL);
-	if (!scan_cfg) {
-		res = -ENOMEM;
-		goto out_buf;
-	}
-	res = count;
-
-	scan_cfg->bsstype = LBS_SCAN_BSS_TYPE_ANY;
-
-	dur = lbs_parse_dur(buf, count, scan_cfg);
-	lbs_parse_bssid(buf, count, scan_cfg);
-	scan_cfg->clear_bssid = lbs_parse_clear(buf, count, "clear_bssid=");
-	lbs_parse_ssid(buf, count, scan_cfg);
-	scan_cfg->clear_ssid = lbs_parse_clear(buf, count, "clear_ssid=");
-	lbs_parse_type(buf, count, scan_cfg);
-
-	lbs_scan_networks(priv, scan_cfg, 1);
-	wait_event_interruptible(priv->cmd_pending,
-				 priv->surpriseremoved || !priv->last_scanned_channel);
-
-	if (priv->surpriseremoved)
-		goto out_scan_cfg;
-
-	memset(&wrqu, 0x00, sizeof(union iwreq_data));
-	wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
-
- out_scan_cfg:
-	kfree(scan_cfg);
- out_buf:
-	free_page((unsigned long)buf);
-	return res;
-}
-
-
 /*
  * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might
  * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the
@@ -857,8 +690,6 @@ static struct lbs_debugfs_files debugfs_files[] = {
 					write_file_dummy), },
 	{ "sleepparams", 0644, FOPS(lbs_sleepparams_read,
 				lbs_sleepparams_write), },
-	{ "extscan", 0600, FOPS(NULL, lbs_extscan), },
-	{ "setuserscan", 0600, FOPS(NULL, lbs_setuserscan), },
 };
 
 static struct lbs_debugfs_files debugfs_events_files[] = {
@@ -947,7 +778,7 @@ void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
 	}
 
 #ifdef PROC_DEBUG
-	lbs_debug_init(priv, dev);
+	lbs_debug_init(priv);
 #endif
 exit:
 	return;
@@ -993,7 +824,6 @@ struct debug_data {
 /* To debug any member of struct lbs_private, simply add one line here.
  */
 static struct debug_data items[] = {
-	{"intcounter", item_size(intcounter), item_addr(intcounter)},
 	{"psmode", item_size(psmode), item_addr(psmode)},
 	{"psstate", item_size(psstate), item_addr(psstate)},
 };
@@ -1121,7 +951,7 @@ static struct file_operations lbs_debug_fops = {
  *  @param dev     pointer net_device
  *  @return 	   N/A
  */
-static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev)
+static void lbs_debug_init(struct lbs_private *priv)
 {
 	int i;
 
diff --git a/drivers/net/wireless/libertas/decl.h b/drivers/net/wireless/libertas/decl.h
index 4e22341..b652fa3 100644
--- a/drivers/net/wireless/libertas/decl.h
+++ b/drivers/net/wireless/libertas/decl.h
@@ -17,9 +17,9 @@ struct net_device;
 struct cmd_ctrl_node;
 struct cmd_ds_command;
 
-int lbs_set_mac_packet_filter(struct lbs_private *priv);
+void lbs_set_mac_control(struct lbs_private *priv);
 
-void lbs_send_tx_feedback(struct lbs_private *priv);
+void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count);
 
 int lbs_free_cmd_buffer(struct lbs_private *priv);
 
@@ -30,17 +30,16 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
 
 int lbs_allocate_cmd_buffer(struct lbs_private *priv);
 int lbs_execute_next_command(struct lbs_private *priv);
-int lbs_process_event(struct lbs_private *priv);
-void lbs_interrupt(struct lbs_private *priv);
+int lbs_process_event(struct lbs_private *priv, u32 event);
+void lbs_queue_event(struct lbs_private *priv, u32 event);
+void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx);
+
 int lbs_set_radio_control(struct lbs_private *priv);
 u32 lbs_fw_index_to_data_rate(u8 index);
 u8 lbs_data_rate_to_fw_index(u32 rate);
-void lbs_get_fwversion(struct lbs_private *priv,
-	char *fwversion,
-	int maxlen);
 
 /** The proc fs interface */
-int lbs_process_rx_command(struct lbs_private *priv);
+int lbs_process_command_response(struct lbs_private *priv, u8 *data, u32 len);
 void lbs_complete_command(struct lbs_private *priv, struct cmd_ctrl_node *cmd,
 			  int result);
 int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
@@ -49,7 +48,7 @@ int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band);
 int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *);
 
 void lbs_ps_sleep(struct lbs_private *priv, int wait_option);
-void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode);
+void lbs_ps_confirm_sleep(struct lbs_private *priv);
 void lbs_ps_wakeup(struct lbs_private *priv, int wait_option);
 
 struct chan_freq_power *lbs_find_cfp_by_band_and_channel(
@@ -63,7 +62,6 @@ void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str);
 
 /* main.c */
 struct chan_freq_power *lbs_get_region_cfp_table(u8 region,
-	u8 band,
 	int *cfp_no);
 struct lbs_private *lbs_add_card(void *card, struct device *dmdev);
 int lbs_remove_card(struct lbs_private *priv);
@@ -72,4 +70,9 @@ int lbs_stop_card(struct lbs_private *priv);
 void lbs_host_to_card_done(struct lbs_private *priv);
 
 int lbs_update_channel(struct lbs_private *priv);
+
+#ifndef CONFIG_IEEE80211
+const char *escape_essid(const char *essid, u8 essid_len);
+#endif
+
 #endif
diff --git a/drivers/net/wireless/libertas/defs.h b/drivers/net/wireless/libertas/defs.h
index 3053cc2..d395201 100644
--- a/drivers/net/wireless/libertas/defs.h
+++ b/drivers/net/wireless/libertas/defs.h
@@ -53,14 +53,14 @@ do { if ((lbs_debug & (grp)) == (grp)) \
 #endif
 
 #define lbs_deb_enter(grp) \
-  LBS_DEB_LL(grp | LBS_DEB_ENTER, " enter", "%s():%d\n", __FUNCTION__, __LINE__);
+  LBS_DEB_LL(grp | LBS_DEB_ENTER, " enter", "%s()\n", __func__);
 #define lbs_deb_enter_args(grp, fmt, args...) \
-  LBS_DEB_LL(grp | LBS_DEB_ENTER, " enter", "%s(" fmt "):%d\n", __FUNCTION__, ## args, __LINE__);
+  LBS_DEB_LL(grp | LBS_DEB_ENTER, " enter", "%s(" fmt ")\n", __func__, ## args);
 #define lbs_deb_leave(grp) \
-  LBS_DEB_LL(grp | LBS_DEB_LEAVE, " leave", "%s():%d\n", __FUNCTION__, __LINE__);
+  LBS_DEB_LL(grp | LBS_DEB_LEAVE, " leave", "%s()\n", __func__);
 #define lbs_deb_leave_args(grp, fmt, args...) \
-  LBS_DEB_LL(grp | LBS_DEB_LEAVE, " leave", "%s():%d, " fmt "\n", \
-  __FUNCTION__, __LINE__, ##args);
+  LBS_DEB_LL(grp | LBS_DEB_LEAVE, " leave", "%s(), " fmt "\n", \
+  __func__, ##args);
 #define lbs_deb_main(fmt, args...)      LBS_DEB_LL(LBS_DEB_MAIN, " main", fmt, ##args)
 #define lbs_deb_net(fmt, args...)       LBS_DEB_LL(LBS_DEB_NET, " net", fmt, ##args)
 #define lbs_deb_mesh(fmt, args...)      LBS_DEB_LL(LBS_DEB_MESH, " mesh", fmt, ##args)
@@ -177,8 +177,6 @@ static inline void lbs_deb_hex(unsigned int grp, const char *prompt, u8 *buf, in
 #define MRVDRV_CMD_UPLD_RDY		0x0008
 #define MRVDRV_CARDEVENT		0x0010
 
-#define SBI_EVENT_CAUSE_SHIFT		3
-
 /** TxPD status */
 
 /*	Station firmware use TxPD status field to report final Tx transmit
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index 5a69f2b..0d9edb9 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -10,9 +10,10 @@
 #include <linux/wireless.h>
 #include <linux/ethtool.h>
 #include <linux/debugfs.h>
+#include <net/ieee80211.h>
 
 #include "defs.h"
-#include "scan.h"
+#include "hostcmd.h"
 
 extern struct ethtool_ops lbs_ethtool_ops;
 
@@ -128,10 +129,6 @@ struct lbs_private {
 	u32 bbp_offset;
 	u32 rf_offset;
 
-	/** Upload length */
-	u32 upld_len;
-	/* Upload buffer */
-	u8 upld_buf[LBS_UPLD_SIZE];
 	/* Download sent:
 	   bit0 1/0=data_sent/data_tx_done,
 	   bit1 1/0=cmd_sent/cmd_tx_done,
@@ -143,27 +140,27 @@ struct lbs_private {
 	wait_queue_head_t waitq;
 	struct workqueue_struct *work_thread;
 
+	/** Scanning */
 	struct delayed_work scan_work;
 	struct delayed_work assoc_work;
 	struct work_struct sync_channel;
+	/* remember which channel was scanned last, != 0 if currently scanning */
+	int scan_channel;
+	u8 scan_ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 scan_ssid_len;
 
 	/** Hardware access */
 	int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
-	int (*hw_get_int_status) (struct lbs_private *priv, u8 *);
-	int (*hw_read_event_cause) (struct lbs_private *);
 
 	/* Wake On LAN */
 	uint32_t wol_criteria;
 	uint8_t wol_gpio;
 	uint8_t wol_gap;
 
-	/* was struct lbs_adapter from here... */
-
 	/** Wlan adapter data structure*/
 	/** STATUS variables */
 	u32 fwrelease;
 	u32 fwcapinfo;
-	/* protected with big lock */
 
 	struct mutex lock;
 
@@ -175,7 +172,6 @@ struct lbs_private {
 
 	/** command-related variables */
 	u16 seqnum;
-	/* protected by big lock */
 
 	struct cmd_ctrl_node *cmd_array;
 	/** Current command */
@@ -188,12 +184,17 @@ struct lbs_private {
 	struct list_head cmdpendingq;
 
 	wait_queue_head_t cmd_pending;
-	/* command related variables protected by priv->driver_lock */
 
-	/** Async and Sync Event variables */
-	u32 intcounter;
-	u32 eventcause;
-	u8 nodename[16];	/* nickname */
+	/* Command responses sent from the hardware to the driver */
+	u8 resp_idx;
+	u8 resp_buf[2][LBS_UPLD_SIZE];
+	u32 resp_len[2];
+
+	/* Events sent from hardware to driver */
+	struct kfifo *event_fifo;
+
+	/* nickname */
+	u8 nodename[16];
 
 	/** spin locks */
 	spinlock_t driver_lock;
@@ -203,8 +204,6 @@ struct lbs_private {
 	int nr_retries;
 	int cmd_timed_out;
 
-	u8 hisregcpy;
-
 	/** current ssid/bssid related parameters*/
 	struct current_bss_params curbssparams;
 
@@ -247,7 +246,7 @@ struct lbs_private {
 	struct sk_buff *currenttxskb;
 
 	/** NIC Operation characteristics */
-	u16 currentpacketfilter;
+	u16 mac_control;
 	u32 connect_status;
 	u32 mesh_connect_status;
 	u16 regioncode;
@@ -262,9 +261,6 @@ struct lbs_private {
 	char ps_supported;
 	u8 needtowakeup;
 
-	struct PS_CMD_ConfirmSleep lbs_ps_confirm_sleep;
-	struct cmd_header lbs_ps_confirm_wake;
-
 	struct assoc_request * pending_assoc_req;
 	struct assoc_request * in_progress_assoc_req;
 
@@ -315,16 +311,52 @@ struct lbs_private {
 	u32 enable11d;
 
 	/**	MISCELLANEOUS */
-	u8 *prdeeprom;
 	struct lbs_offset_value offsetvalue;
 
-	struct cmd_ds_802_11_get_log logmsg;
-
 	u32 monitormode;
-	int last_scanned_channel;
 	u8 fw_ready;
 };
 
+extern struct cmd_confirm_sleep confirm_sleep;
+
+/**
+ *  @brief Structure used to store information for each beacon/probe response
+ */
+struct bss_descriptor {
+	u8 bssid[ETH_ALEN];
+
+	u8 ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 ssid_len;
+
+	u16 capability;
+	u32 rssi;
+	u32 channel;
+	u16 beaconperiod;
+	u32 atimwindow;
+
+	/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
+	u8 mode;
+
+	/* zero-terminated array of supported data rates */
+	u8 rates[MAX_RATES + 1];
+
+	unsigned long last_scanned;
+
+	union ieeetypes_phyparamset phyparamset;
+	union IEEEtypes_ssparamset ssparamset;
+
+	struct ieeetypes_countryinfofullset countryinfo;
+
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	size_t wpa_ie_len;
+	u8 rsn_ie[MAX_WPA_IE_LEN];
+	size_t rsn_ie_len;
+
+	u8 mesh;
+
+	struct list_head list;
+};
+
 /** Association request
  *
  * Encapsulates all the options that describe a specific assocation request
diff --git a/drivers/net/wireless/libertas/ethtool.c b/drivers/net/wireless/libertas/ethtool.c
index 21e6f98..dcfdb40 100644
--- a/drivers/net/wireless/libertas/ethtool.c
+++ b/drivers/net/wireless/libertas/ethtool.c
@@ -6,7 +6,6 @@
 #include "decl.h"
 #include "defs.h"
 #include "dev.h"
-#include "join.h"
 #include "wext.h"
 #include "cmd.h"
 
@@ -25,13 +24,14 @@ static void lbs_ethtool_get_drvinfo(struct net_device *dev,
 					 struct ethtool_drvinfo *info)
 {
 	struct lbs_private *priv = (struct lbs_private *) dev->priv;
-	char fwver[32];
-
-	lbs_get_fwversion(priv, fwver, sizeof(fwver) - 1);
 
+	snprintf(info->fw_version, 32, "%u.%u.%u.p%u",
+		priv->fwrelease >> 24 & 0xff,
+		priv->fwrelease >> 16 & 0xff,
+		priv->fwrelease >>  8 & 0xff,
+		priv->fwrelease       & 0xff);
 	strcpy(info->driver, "libertas");
 	strcpy(info->version, lbs_driver_version);
-	strcpy(info->fw_version, fwver);
 }
 
 /* All 8388 parts have 16KiB EEPROM size at the time of writing.
@@ -48,61 +48,28 @@ static int lbs_ethtool_get_eeprom(struct net_device *dev,
                                   struct ethtool_eeprom *eeprom, u8 * bytes)
 {
 	struct lbs_private *priv = (struct lbs_private *) dev->priv;
-	struct lbs_ioctl_regrdwr regctrl;
-	char *ptr;
+	struct cmd_ds_802_11_eeprom_access cmd;
 	int ret;
 
-	regctrl.action = 0;
-	regctrl.offset = eeprom->offset;
-	regctrl.NOB = eeprom->len;
-
-	if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN)
-		return -EINVAL;
-
-//      mutex_lock(&priv->mutex);
-
-	priv->prdeeprom = kmalloc(eeprom->len+sizeof(regctrl), GFP_KERNEL);
-	if (!priv->prdeeprom)
-		return -ENOMEM;
-	memcpy(priv->prdeeprom, &regctrl, sizeof(regctrl));
-
-	/* +14 is for action, offset, and NOB in
-	 * response */
-	lbs_deb_ethtool("action:%d offset: %x NOB: %02x\n",
-	       regctrl.action, regctrl.offset, regctrl.NOB);
+	lbs_deb_enter(LBS_DEB_ETHTOOL);
 
-	ret = lbs_prepare_and_send_command(priv,
-				    CMD_802_11_EEPROM_ACCESS,
-				    regctrl.action,
-				    CMD_OPTION_WAITFORRSP, 0,
-				    &regctrl);
-
-	if (ret) {
-		if (priv->prdeeprom)
-			kfree(priv->prdeeprom);
-		goto done;
+	if (eeprom->offset + eeprom->len > LBS_EEPROM_LEN ||
+	    eeprom->len > LBS_EEPROM_READ_LEN) {
+		ret = -EINVAL;
+		goto out;
 	}
 
-	mdelay(10);
-
-	ptr = (char *)priv->prdeeprom;
-
-	/* skip the command header, but include the "value" u32 variable */
-	ptr = ptr + sizeof(struct lbs_ioctl_regrdwr) - 4;
-
-	/*
-	 * Return the result back to the user
-	 */
-	memcpy(bytes, ptr, eeprom->len);
-
-	if (priv->prdeeprom)
-		kfree(priv->prdeeprom);
-//	mutex_unlock(&priv->mutex);
-
-	ret = 0;
-
-done:
-	lbs_deb_enter_args(LBS_DEB_ETHTOOL, "ret %d", ret);
+	cmd.hdr.size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) -
+		LBS_EEPROM_READ_LEN + eeprom->len);
+	cmd.action = cpu_to_le16(CMD_ACT_GET);
+	cmd.offset = cpu_to_le16(eeprom->offset);
+	cmd.len    = cpu_to_le16(eeprom->len);
+	ret = lbs_cmd_with_response(priv, CMD_802_11_EEPROM_ACCESS, &cmd);
+	if (!ret)
+		memcpy(bytes, cmd.value, eeprom->len);
+
+out:
+	lbs_deb_leave_args(LBS_DEB_ETHTOOL, "ret %d", ret);
         return ret;
 }
 
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 1aa0407..3915c31 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -33,7 +33,6 @@
 #define CMD_RET_802_11_ASSOCIATE		0x8012
 
 /* Command codes */
-#define CMD_CODE_DNLD				0x0002
 #define CMD_GET_HW_SPEC				0x0003
 #define	CMD_EEPROM_UPDATE			0x0004
 #define CMD_802_11_RESET			0x0005
@@ -68,8 +67,6 @@
 #define CMD_802_11_AD_HOC_JOIN			0x002c
 #define CMD_802_11_QUERY_TKIP_REPLY_CNTRS	0x002e
 #define CMD_802_11_ENABLE_RSN			0x002f
-#define CMD_802_11_PAIRWISE_TSC			0x0036
-#define CMD_802_11_GROUP_TSC			0x0037
 #define CMD_802_11_SET_AFC			0x003c
 #define CMD_802_11_GET_AFC			0x003d
 #define CMD_802_11_AD_HOC_STOP			0x0040
@@ -87,7 +84,6 @@
 #define CMD_802_11_INACTIVITY_TIMEOUT		0x0067
 #define CMD_802_11_SLEEP_PERIOD			0x0068
 #define CMD_802_11_TPC_CFG			0x0072
-#define CMD_802_11_PWR_CFG			0x0073
 #define CMD_802_11_FW_WAKE_METHOD		0x0074
 #define CMD_802_11_SUBSCRIBE_EVENT		0x0075
 #define CMD_802_11_RATE_ADAPT_RATESET		0x0076
diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h
index d35b015..f29bc5b 100644
--- a/drivers/net/wireless/libertas/hostcmd.h
+++ b/drivers/net/wireless/libertas/hostcmd.h
@@ -174,9 +174,11 @@ struct cmd_ds_802_11_subscribe_event {
  * Define data structure for CMD_802_11_SCAN
  */
 struct cmd_ds_802_11_scan {
-	u8 bsstype;
-	u8 bssid[ETH_ALEN];
-	u8 tlvbuffer[1];
+	struct cmd_header hdr;
+
+	uint8_t bsstype;
+	uint8_t bssid[ETH_ALEN];
+	uint8_t tlvbuffer[0];
 #if 0
 	mrvlietypes_ssidparamset_t ssidParamSet;
 	mrvlietypes_chanlistparamset_t ChanListParamSet;
@@ -185,12 +187,16 @@ struct cmd_ds_802_11_scan {
 };
 
 struct cmd_ds_802_11_scan_rsp {
+	struct cmd_header hdr;
+
 	__le16 bssdescriptsize;
-	u8 nr_sets;
-	u8 bssdesc_and_tlvbuffer[1];
+	uint8_t nr_sets;
+	uint8_t bssdesc_and_tlvbuffer[0];
 };
 
 struct cmd_ds_802_11_get_log {
+	struct cmd_header hdr;
+
 	__le32 mcasttxframe;
 	__le32 failed;
 	__le32 retry;
@@ -207,8 +213,9 @@ struct cmd_ds_802_11_get_log {
 };
 
 struct cmd_ds_mac_control {
+	struct cmd_header hdr;
 	__le16 action;
-	__le16 reserved;
+	u16 reserved;
 };
 
 struct cmd_ds_mac_multicast_adr {
@@ -420,6 +427,8 @@ struct cmd_ds_802_11_rssi_rsp {
 };
 
 struct cmd_ds_802_11_mac_address {
+	struct cmd_header hdr;
+
 	__le16 action;
 	u8 macadd[ETH_ALEN];
 };
@@ -471,14 +480,11 @@ struct cmd_ds_802_11_ps_mode {
 	__le16 locallisteninterval;
 };
 
-struct PS_CMD_ConfirmSleep {
-	__le16 command;
-	__le16 size;
-	__le16 seqnum;
-	__le16 result;
+struct cmd_confirm_sleep {
+	struct cmd_header hdr;
 
 	__le16 action;
-	__le16 reserved1;
+	__le16 nullpktinterval;
 	__le16 multipledtim;
 	__le16 reserved;
 	__le16 locallisteninterval;
@@ -572,17 +578,20 @@ struct cmd_ds_host_sleep {
 } __attribute__ ((packed));
 
 struct cmd_ds_802_11_key_material {
+	struct cmd_header hdr;
+
 	__le16 action;
 	struct MrvlIEtype_keyParamSet keyParamSet[2];
 } __attribute__ ((packed));
 
 struct cmd_ds_802_11_eeprom_access {
+	struct cmd_header hdr;
 	__le16 action;
-
-	/* multiple 4 */
 	__le16 offset;
-	__le16 bytecount;
-	u8 value;
+	__le16 len;
+	/* firmware says it returns a maximum of 20 bytes */
+#define LBS_EEPROM_READ_LEN 20
+	u8 value[LBS_EEPROM_READ_LEN];
 } __attribute__ ((packed));
 
 struct cmd_ds_802_11_tpc_cfg {
@@ -600,14 +609,6 @@ struct cmd_ds_802_11_led_ctrl {
 	u8 data[256];
 } __attribute__ ((packed));
 
-struct cmd_ds_802_11_pwr_cfg {
-	__le16 action;
-	u8 enable;
-	s8 PA_P0;
-	s8 PA_P1;
-	s8 PA_P2;
-} __attribute__ ((packed));
-
 struct cmd_ds_802_11_afc {
 	__le16 afc_auto;
 	union {
@@ -689,15 +690,11 @@ struct cmd_ds_command {
 	/* command Body */
 	union {
 		struct cmd_ds_802_11_ps_mode psmode;
-		struct cmd_ds_802_11_scan scan;
-		struct cmd_ds_802_11_scan_rsp scanresp;
-		struct cmd_ds_mac_control macctrl;
 		struct cmd_ds_802_11_associate associate;
 		struct cmd_ds_802_11_deauthenticate deauth;
 		struct cmd_ds_802_11_ad_hoc_start ads;
 		struct cmd_ds_802_11_reset reset;
 		struct cmd_ds_802_11_ad_hoc_result result;
-		struct cmd_ds_802_11_get_log glog;
 		struct cmd_ds_802_11_authenticate auth;
 		struct cmd_ds_802_11_get_stat gstat;
 		struct cmd_ds_802_3_get_stat gstat_8023;
@@ -711,18 +708,14 @@ struct cmd_ds_command {
 		struct cmd_ds_802_11_rssi rssi;
 		struct cmd_ds_802_11_rssi_rsp rssirsp;
 		struct cmd_ds_802_11_disassociate dassociate;
-		struct cmd_ds_802_11_mac_address macadd;
-		struct cmd_ds_802_11_key_material keymaterial;
 		struct cmd_ds_mac_reg_access macreg;
 		struct cmd_ds_bbp_reg_access bbpreg;
 		struct cmd_ds_rf_reg_access rfreg;
-		struct cmd_ds_802_11_eeprom_access rdeeprom;
 
 		struct cmd_ds_802_11d_domain_info domaininfo;
 		struct cmd_ds_802_11d_domain_info domaininforesp;
 
 		struct cmd_ds_802_11_tpc_cfg tpccfg;
-		struct cmd_ds_802_11_pwr_cfg pwrcfg;
 		struct cmd_ds_802_11_afc afc;
 		struct cmd_ds_802_11_led_ctrl ledgpio;
 
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c
index 038c66a..54280e2 100644
--- a/drivers/net/wireless/libertas/if_cs.c
+++ b/drivers/net/wireless/libertas/if_cs.c
@@ -83,14 +83,14 @@ static inline unsigned int if_cs_read8(struct if_cs_card *card, uint reg)
 {
 	unsigned int val = ioread8(card->iobase + reg);
 	if (debug_output)
-		printk(KERN_INFO "##inb %08x<%02x\n", reg, val);
+		printk(KERN_INFO "inb %08x<%02x\n", reg, val);
 	return val;
 }
 static inline unsigned int if_cs_read16(struct if_cs_card *card, uint reg)
 {
 	unsigned int val = ioread16(card->iobase + reg);
 	if (debug_output)
-		printk(KERN_INFO "##inw %08x<%04x\n", reg, val);
+		printk(KERN_INFO "inw %08x<%04x\n", reg, val);
 	return val;
 }
 static inline void if_cs_read16_rep(
@@ -100,7 +100,7 @@ static inline void if_cs_read16_rep(
 	unsigned long count)
 {
 	if (debug_output)
-		printk(KERN_INFO "##insw %08x<(0x%lx words)\n",
+		printk(KERN_INFO "insw %08x<(0x%lx words)\n",
 			reg, count);
 	ioread16_rep(card->iobase + reg, buf, count);
 }
@@ -108,14 +108,14 @@ static inline void if_cs_read16_rep(
 static inline void if_cs_write8(struct if_cs_card *card, uint reg, u8 val)
 {
 	if (debug_output)
-		printk(KERN_INFO "##outb %08x>%02x\n", reg, val);
+		printk(KERN_INFO "outb %08x>%02x\n", reg, val);
 	iowrite8(val, card->iobase + reg);
 }
 
 static inline void if_cs_write16(struct if_cs_card *card, uint reg, u16 val)
 {
 	if (debug_output)
-		printk(KERN_INFO "##outw %08x>%04x\n", reg, val);
+		printk(KERN_INFO "outw %08x>%04x\n", reg, val);
 	iowrite16(val, card->iobase + reg);
 }
 
@@ -126,7 +126,7 @@ static inline void if_cs_write16_rep(
 	unsigned long count)
 {
 	if (debug_output)
-		printk(KERN_INFO "##outsw %08x>(0x%lx words)\n",
+		printk(KERN_INFO "outsw %08x>(0x%lx words)\n",
 			reg, count);
 	iowrite16_rep(card->iobase + reg, buf, count);
 }
@@ -199,17 +199,6 @@ static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 r
 #define IF_CS_C_S_CARDEVENT		0x0010
 #define IF_CS_C_S_MASK			0x001f
 #define IF_CS_C_S_STATUS_MASK		0x7f00
-/* The following definitions should be the same as the MRVDRV_ ones */
-
-#if MRVDRV_CMD_DNLD_RDY != IF_CS_C_S_CMD_DNLD_RDY
-#error MRVDRV_CMD_DNLD_RDY and IF_CS_C_S_CMD_DNLD_RDY not in sync
-#endif
-#if MRVDRV_CMD_UPLD_RDY != IF_CS_C_S_CMD_UPLD_RDY
-#error MRVDRV_CMD_UPLD_RDY and IF_CS_C_S_CMD_UPLD_RDY not in sync
-#endif
-#if MRVDRV_CARDEVENT != IF_CS_C_S_CARDEVENT
-#error MRVDRV_CARDEVENT and IF_CS_C_S_CARDEVENT not in sync
-#endif
 
 #define IF_CS_C_INT_CAUSE		0x00000022
 #define	IF_CS_C_IC_MASK			0x001f
@@ -226,55 +215,6 @@ static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 r
 
 
 /********************************************************************/
-/* Interrupts                                                       */
-/********************************************************************/
-
-static inline void if_cs_enable_ints(struct if_cs_card *card)
-{
-	lbs_deb_enter(LBS_DEB_CS);
-	if_cs_write16(card, IF_CS_H_INT_MASK, 0);
-}
-
-static inline void if_cs_disable_ints(struct if_cs_card *card)
-{
-	lbs_deb_enter(LBS_DEB_CS);
-	if_cs_write16(card, IF_CS_H_INT_MASK, IF_CS_H_IM_MASK);
-}
-
-static irqreturn_t if_cs_interrupt(int irq, void *data)
-{
-	struct if_cs_card *card = data;
-	u16 int_cause;
-
-	lbs_deb_enter(LBS_DEB_CS);
-
-	int_cause = if_cs_read16(card, IF_CS_C_INT_CAUSE);
-	if (int_cause == 0x0) {
-		/* Not for us */
-		return IRQ_NONE;
-
-	} else if (int_cause == 0xffff) {
-		/* Read in junk, the card has probably been removed */
-		card->priv->surpriseremoved = 1;
-		return IRQ_HANDLED;
-	} else {
-		if (int_cause & IF_CS_H_IC_TX_OVER)
-			lbs_host_to_card_done(card->priv);
-
-		/* clear interrupt */
-		if_cs_write16(card, IF_CS_C_INT_CAUSE, int_cause & IF_CS_C_IC_MASK);
-	}
-	spin_lock(&card->priv->driver_lock);
-	lbs_interrupt(card->priv);
-	spin_unlock(&card->priv->driver_lock);
-
-	return IRQ_HANDLED;
-}
-
-
-
-
-/********************************************************************/
 /* I/O                                                              */
 /********************************************************************/
 
@@ -351,6 +291,7 @@ static void if_cs_send_data(struct lbs_private *priv, u8 *buf, u16 nb)
  */
 static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len)
 {
+	unsigned long flags;
 	int ret = -1;
 	u16 val;
 
@@ -378,6 +319,12 @@ static int if_cs_receive_cmdres(struct lbs_private *priv, u8 *data, u32 *len)
 	 * bytes */
 	*len -= 8;
 	ret = 0;
+
+	/* Clear this flag again */
+	spin_lock_irqsave(&priv->driver_lock, flags);
+	priv->dnld_sent = DNLD_RES_RECEIVED;
+	spin_unlock_irqrestore(&priv->driver_lock, flags);
+
 out:
 	lbs_deb_leave_args(LBS_DEB_CS, "ret %d, len %d", ret, *len);
 	return ret;
@@ -396,11 +343,9 @@ static struct sk_buff *if_cs_receive_data(struct lbs_private *priv)
 	if (len == 0 || len > MRVDRV_ETH_RX_PACKET_BUFFER_SIZE) {
 		lbs_pr_err("card data buffer has invalid # of bytes (%d)\n", len);
 		priv->stats.rx_dropped++;
-		printk(KERN_INFO "##HS %s:%d TODO\n", __FUNCTION__, __LINE__);
 		goto dat_err;
 	}
 
-	//TODO: skb = dev_alloc_skb(len+ETH_FRAME_LEN+MRVDRV_SNAP_HEADER_LEN+EXTRA_LEN);
 	skb = dev_alloc_skb(MRVDRV_ETH_RX_PACKET_BUFFER_SIZE + 2);
 	if (!skb)
 		goto out;
@@ -425,6 +370,96 @@ out:
 
 
 /********************************************************************/
+/* Interrupts                                                       */
+/********************************************************************/
+
+static inline void if_cs_enable_ints(struct if_cs_card *card)
+{
+	lbs_deb_enter(LBS_DEB_CS);
+	if_cs_write16(card, IF_CS_H_INT_MASK, 0);
+}
+
+static inline void if_cs_disable_ints(struct if_cs_card *card)
+{
+	lbs_deb_enter(LBS_DEB_CS);
+	if_cs_write16(card, IF_CS_H_INT_MASK, IF_CS_H_IM_MASK);
+}
+
+
+static irqreturn_t if_cs_interrupt(int irq, void *data)
+{
+	struct if_cs_card *card = data;
+	struct lbs_private *priv = card->priv;
+	u16 cause;
+
+	lbs_deb_enter(LBS_DEB_CS);
+
+	cause = if_cs_read16(card, IF_CS_C_INT_CAUSE);
+	if_cs_write16(card, IF_CS_C_INT_CAUSE, cause & IF_CS_C_IC_MASK);
+
+	lbs_deb_cs("cause 0x%04x\n", cause);
+	if (cause == 0) {
+		/* Not for us */
+		return IRQ_NONE;
+	}
+
+	if (cause == 0xffff) {
+		/* Read in junk, the card has probably been removed */
+		card->priv->surpriseremoved = 1;
+		return IRQ_HANDLED;
+	}
+
+	/* TODO: I'm not sure what the best ordering is */
+
+	cause = if_cs_read16(card, IF_CS_C_STATUS) & IF_CS_C_S_MASK;
+
+	if (cause & IF_CS_C_S_RX_UPLD_RDY) {
+		struct sk_buff *skb;
+		lbs_deb_cs("rx packet\n");
+		skb = if_cs_receive_data(priv);
+		if (skb)
+			lbs_process_rxed_packet(priv, skb);
+	}
+
+	if (cause & IF_CS_H_IC_TX_OVER) {
+		lbs_deb_cs("tx over\n");
+		lbs_host_to_card_done(priv);
+	}
+
+	if (cause & IF_CS_C_S_CMD_UPLD_RDY) {
+		unsigned long flags;
+		u8 i;
+
+		lbs_deb_cs("cmd upload ready\n");
+		spin_lock_irqsave(&priv->driver_lock, flags);
+		i = (priv->resp_idx == 0) ? 1 : 0;
+		spin_unlock_irqrestore(&priv->driver_lock, flags);
+
+		BUG_ON(priv->resp_len[i]);
+		if_cs_receive_cmdres(priv, priv->resp_buf[i],
+			&priv->resp_len[i]);
+
+		spin_lock_irqsave(&priv->driver_lock, flags);
+		lbs_notify_command_response(priv, i);
+		spin_unlock_irqrestore(&priv->driver_lock, flags);
+	}
+
+	if (cause & IF_CS_H_IC_HOST_EVENT) {
+		u16 event = if_cs_read16(priv->card, IF_CS_C_STATUS)
+			& IF_CS_C_S_STATUS_MASK;
+		if_cs_write16(priv->card, IF_CS_H_INT_CAUSE,
+			IF_CS_H_IC_HOST_EVENT);
+		lbs_deb_cs("eventcause 0x%04x\n", event);
+		lbs_queue_event(priv, event >> 8 & 0xff);
+	}
+
+	return IRQ_HANDLED;
+}
+
+
+
+
+/********************************************************************/
 /* Firmware                                                         */
 /********************************************************************/
 
@@ -476,8 +511,6 @@ static int if_cs_prog_helper(struct if_cs_card *card)
 
 		if (remain < count)
 			count = remain;
-		/* printk(KERN_INFO "//HS %d loading %d of %d bytes\n",
-			__LINE__, sent, fw->size); */
 
 		/* "write the number of bytes to be sent to the I/O Command
 		 * write length register" */
@@ -544,18 +577,12 @@ static int if_cs_prog_real(struct if_cs_card *card)
 
 	ret = if_cs_poll_while_fw_download(card, IF_CS_C_SQ_READ_LOW, IF_CS_C_SQ_HELPER_OK);
 	if (ret < 0) {
-		int i;
 		lbs_pr_err("helper firmware doesn't answer\n");
-		for (i = 0; i < 0x50; i += 2)
-			printk(KERN_INFO "## HS %02x: %04x\n",
-				i, if_cs_read16(card, i));
 		goto err_release;
 	}
 
 	for (sent = 0; sent < fw->size; sent += len) {
 		len = if_cs_read16(card, IF_CS_C_SQ_READ_LOW);
-		/* printk(KERN_INFO "//HS %d loading %d of %d bytes\n",
-			__LINE__, sent, fw->size); */
 		if (len & 1) {
 			retry++;
 			lbs_pr_info("odd, need to retry this firmware block\n");
@@ -642,64 +669,6 @@ static int if_cs_host_to_card(struct lbs_private *priv,
 }
 
 
-static int if_cs_get_int_status(struct lbs_private *priv, u8 *ireg)
-{
-	struct if_cs_card *card = (struct if_cs_card *)priv->card;
-	int ret = 0;
-	u16 int_cause;
-	*ireg = 0;
-
-	lbs_deb_enter(LBS_DEB_CS);
-
-	if (priv->surpriseremoved)
-		goto out;
-
-	int_cause = if_cs_read16(card, IF_CS_C_INT_CAUSE) & IF_CS_C_IC_MASK;
-	if_cs_write16(card, IF_CS_C_INT_CAUSE, int_cause);
-
-	*ireg = if_cs_read16(card, IF_CS_C_STATUS) & IF_CS_C_S_MASK;
-
-	if (!*ireg)
-		goto sbi_get_int_status_exit;
-
-sbi_get_int_status_exit:
-
-	/* is there a data packet for us? */
-	if (*ireg & IF_CS_C_S_RX_UPLD_RDY) {
-		struct sk_buff *skb = if_cs_receive_data(priv);
-		lbs_process_rxed_packet(priv, skb);
-		*ireg &= ~IF_CS_C_S_RX_UPLD_RDY;
-	}
-
-	if (*ireg & IF_CS_C_S_TX_DNLD_RDY) {
-		priv->dnld_sent = DNLD_RES_RECEIVED;
-	}
-
-	/* Card has a command result for us */
-	if (*ireg & IF_CS_C_S_CMD_UPLD_RDY) {
-		ret = if_cs_receive_cmdres(priv, priv->upld_buf, &priv->upld_len);
-		if (ret < 0)
-			lbs_pr_err("could not receive cmd from card\n");
-	}
-
-out:
-	lbs_deb_leave_args(LBS_DEB_CS, "ret %d, ireg 0x%x, hisregcpy 0x%x", ret, *ireg, priv->hisregcpy);
-	return ret;
-}
-
-
-static int if_cs_read_event_cause(struct lbs_private *priv)
-{
-	lbs_deb_enter(LBS_DEB_CS);
-
-	priv->eventcause = (if_cs_read16(priv->card, IF_CS_C_STATUS) & IF_CS_C_S_STATUS_MASK) >> 5;
-	if_cs_write16(priv->card, IF_CS_H_INT_CAUSE, IF_CS_H_IC_HOST_EVENT);
-
-	return 0;
-}
-
-
-
 /********************************************************************/
 /* Card Services                                                    */
 /********************************************************************/
@@ -852,13 +821,10 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
 		goto out2;
 	}
 
-	/* Store pointers to our call-back functions */
+	/* Finish setting up fields in lbs_private */
 	card->priv = priv;
 	priv->card = card;
-	priv->hw_host_to_card     = if_cs_host_to_card;
-	priv->hw_get_int_status   = if_cs_get_int_status;
-	priv->hw_read_event_cause = if_cs_read_event_cause;
-
+	priv->hw_host_to_card = if_cs_host_to_card;
 	priv->fw_ready = 1;
 
 	/* Now actually get the IRQ */
@@ -880,6 +846,9 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
 		goto out3;
 	}
 
+	/* The firmware for the CF card supports powersave */
+	priv->ps_supported = 1;
+
 	ret = 0;
 	goto out;
 
diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c
index eed7320..51f664b 100644
--- a/drivers/net/wireless/libertas/if_sdio.c
+++ b/drivers/net/wireless/libertas/if_sdio.c
@@ -91,8 +91,6 @@ struct if_sdio_card {
 	const char		*firmware;
 
 	u8			buffer[65536];
-	u8			int_cause;
-	u32			event;
 
 	spinlock_t		lock;
 	struct if_sdio_packet	*packets;
@@ -129,13 +127,13 @@ static u16 if_sdio_read_scratch(struct if_sdio_card *card, int *err)
 static int if_sdio_handle_cmd(struct if_sdio_card *card,
 		u8 *buffer, unsigned size)
 {
+	struct lbs_private *priv = card->priv;
 	int ret;
 	unsigned long flags;
+	u8 i;
 
 	lbs_deb_enter(LBS_DEB_SDIO);
 
-	spin_lock_irqsave(&card->priv->driver_lock, flags);
-
 	if (size > LBS_CMD_BUFFER_SIZE) {
 		lbs_deb_sdio("response packet too large (%d bytes)\n",
 			(int)size);
@@ -143,20 +141,20 @@ static int if_sdio_handle_cmd(struct if_sdio_card *card,
 		goto out;
 	}
 
-	memcpy(card->priv->upld_buf, buffer, size);
-	card->priv->upld_len = size;
+	spin_lock_irqsave(&priv->driver_lock, flags);
 
-	card->int_cause |= MRVDRV_CMD_UPLD_RDY;
+	i = (priv->resp_idx == 0) ? 1 : 0;
+	BUG_ON(priv->resp_len[i]);
+	priv->resp_len[i] = size;
+	memcpy(priv->resp_buf[i], buffer, size);
+	lbs_notify_command_response(priv, i);
 
-	lbs_interrupt(card->priv);
+	spin_unlock_irqrestore(&card->priv->driver_lock, flags);
 
 	ret = 0;
 
 out:
-	spin_unlock_irqrestore(&card->priv->driver_lock, flags);
-
 	lbs_deb_leave_args(LBS_DEB_SDIO, "ret %d", ret);
-
 	return ret;
 }
 
@@ -202,7 +200,6 @@ static int if_sdio_handle_event(struct if_sdio_card *card,
 		u8 *buffer, unsigned size)
 {
 	int ret;
-	unsigned long flags;
 	u32 event;
 
 	lbs_deb_enter(LBS_DEB_SDIO);
@@ -222,18 +219,9 @@ static int if_sdio_handle_event(struct if_sdio_card *card,
 		event |= buffer[2] << 16;
 		event |= buffer[1] << 8;
 		event |= buffer[0] << 0;
-		event <<= SBI_EVENT_CAUSE_SHIFT;
 	}
 
-	spin_lock_irqsave(&card->priv->driver_lock, flags);
-
-	card->event = event;
-	card->int_cause |= MRVDRV_CARDEVENT;
-
-	lbs_interrupt(card->priv);
-
-	spin_unlock_irqrestore(&card->priv->driver_lock, flags);
-
+	lbs_queue_event(card->priv, event & 0xFF);
 	ret = 0;
 
 out:
@@ -770,37 +758,6 @@ out:
 	return ret;
 }
 
-static int if_sdio_get_int_status(struct lbs_private *priv, u8 *ireg)
-{
-	struct if_sdio_card *card;
-
-	lbs_deb_enter(LBS_DEB_SDIO);
-
-	card = priv->card;
-
-	*ireg = card->int_cause;
-	card->int_cause = 0;
-
-	lbs_deb_leave(LBS_DEB_SDIO);
-
-	return 0;
-}
-
-static int if_sdio_read_event_cause(struct lbs_private *priv)
-{
-	struct if_sdio_card *card;
-
-	lbs_deb_enter(LBS_DEB_SDIO);
-
-	card = priv->card;
-
-	priv->eventcause = card->event;
-
-	lbs_deb_leave(LBS_DEB_SDIO);
-
-	return 0;
-}
-
 /*******************************************************************/
 /* SDIO callbacks                                                  */
 /*******************************************************************/
@@ -953,8 +910,6 @@ static int if_sdio_probe(struct sdio_func *func,
 
 	priv->card = card;
 	priv->hw_host_to_card = if_sdio_host_to_card;
-	priv->hw_get_int_status = if_sdio_get_int_status;
-	priv->hw_read_event_cause = if_sdio_read_event_cause;
 
 	priv->fw_ready = 1;
 
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 75aed9d..8032df7 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -38,8 +38,6 @@ static void if_usb_receive_fwload(struct urb *urb);
 static int if_usb_prog_firmware(struct if_usb_card *cardp);
 static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
 			       uint8_t *payload, uint16_t nb);
-static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *);
-static int if_usb_read_event_cause(struct lbs_private *);
 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
 			uint16_t nb);
 static void if_usb_free(struct if_usb_card *cardp);
@@ -233,8 +231,6 @@ static int if_usb_probe(struct usb_interface *intf,
 	cardp->priv->fw_ready = 1;
 
 	priv->hw_host_to_card = if_usb_host_to_card;
-	priv->hw_get_int_status = if_usb_get_int_status;
-	priv->hw_read_event_cause = if_usb_read_event_cause;
 	cardp->boot2_version = udev->descriptor.bcdDevice;
 
 	if_usb_submit_rx_urb(cardp);
@@ -582,7 +578,6 @@ static inline void process_cmdtypedata(int recvlength, struct sk_buff *skb,
 	skb_pull(skb, MESSAGE_HEADER_LEN);
 
 	lbs_process_rxed_packet(priv, skb);
-	priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
 }
 
 static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
@@ -590,6 +585,8 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
 				      struct if_usb_card *cardp,
 				      struct lbs_private *priv)
 {
+	u8 i;
+
 	if (recvlength > LBS_CMD_BUFFER_SIZE) {
 		lbs_deb_usbd(&cardp->udev->dev,
 			     "The receive buffer is too large\n");
@@ -601,12 +598,15 @@ static inline void process_cmdrequest(int recvlength, uint8_t *recvbuff,
 		BUG();
 
 	spin_lock(&priv->driver_lock);
-	cardp->usb_int_cause |= MRVDRV_CMD_UPLD_RDY;
-	priv->upld_len = (recvlength - MESSAGE_HEADER_LEN);
-	memcpy(priv->upld_buf, recvbuff + MESSAGE_HEADER_LEN, priv->upld_len);
 
+	i = (priv->resp_idx == 0) ? 1 : 0;
+	BUG_ON(priv->resp_len[i]);
+	priv->resp_len[i] = (recvlength - MESSAGE_HEADER_LEN);
+	memcpy(priv->resp_buf[i], recvbuff + MESSAGE_HEADER_LEN,
+		priv->resp_len[i]);
 	kfree_skb(skb);
-	lbs_interrupt(priv);
+	lbs_notify_command_response(priv, i);
+
 	spin_unlock(&priv->driver_lock);
 
 	lbs_deb_usbd(&cardp->udev->dev,
@@ -629,6 +629,7 @@ static void if_usb_receive(struct urb *urb)
 	uint8_t *recvbuff = NULL;
 	uint32_t recvtype = 0;
 	__le32 *pkt = (__le32 *)(skb->data + IPFIELD_ALIGN_OFFSET);
+	uint32_t event;
 
 	lbs_deb_enter(LBS_DEB_USB);
 
@@ -660,26 +661,20 @@ static void if_usb_receive(struct urb *urb)
 		break;
 
 	case CMD_TYPE_INDICATION:
-		/* Event cause handling */
-		spin_lock(&priv->driver_lock);
+		/* Event handling */
+		event = le32_to_cpu(pkt[1]);
+		lbs_deb_usbd(&cardp->udev->dev, "**EVENT** 0x%X\n", event);
+		kfree_skb(skb);
 
-		cardp->usb_event_cause = le32_to_cpu(pkt[1]);
+		/* Icky undocumented magic special case */
+		if (event & 0xffff0000) {
+			u32 trycount = (event & 0xffff0000) >> 16;
 
-		lbs_deb_usbd(&cardp->udev->dev,"**EVENT** 0x%X\n",
-			     cardp->usb_event_cause);
+			lbs_send_tx_feedback(priv, trycount);
+		} else
+			lbs_queue_event(priv, event & 0xFF);
+		break;
 
-		/* Icky undocumented magic special case */
-		if (cardp->usb_event_cause & 0xffff0000) {
-			lbs_send_tx_feedback(priv);
-			spin_unlock(&priv->driver_lock);
-			break;
-		}
-		cardp->usb_event_cause <<= 3;
-		cardp->usb_int_cause |= MRVDRV_CARDEVENT;
-		kfree_skb(skb);
-		lbs_interrupt(priv);
-		spin_unlock(&priv->driver_lock);
-		goto rx_exit;
 	default:
 		lbs_deb_usbd(&cardp->udev->dev, "Unknown command type 0x%X\n",
 			     recvtype);
@@ -722,30 +717,6 @@ static int if_usb_host_to_card(struct lbs_private *priv, uint8_t type,
 	return usb_tx_block(cardp, cardp->ep_out_buf, nb + MESSAGE_HEADER_LEN);
 }
 
-/* called with priv->driver_lock held */
-static int if_usb_get_int_status(struct lbs_private *priv, uint8_t *ireg)
-{
-	struct if_usb_card *cardp = priv->card;
-
-	*ireg = cardp->usb_int_cause;
-	cardp->usb_int_cause = 0;
-
-	lbs_deb_usbd(&cardp->udev->dev, "Int cause is 0x%X\n", *ireg);
-
-	return 0;
-}
-
-static int if_usb_read_event_cause(struct lbs_private *priv)
-{
-	struct if_usb_card *cardp = priv->card;
-
-	priv->eventcause = cardp->usb_event_cause;
-	/* Re-submit rx urb here to avoid event lost issue */
-	if_usb_submit_rx_urb(cardp);
-
-	return 0;
-}
-
 /**
  *  @brief This function issues Boot command to the Boot2 code
  *  @param ivalue   1:Boot from FW by USB-Download
diff --git a/drivers/net/wireless/libertas/if_usb.h b/drivers/net/wireless/libertas/if_usb.h
index e4829a3..5771a83 100644
--- a/drivers/net/wireless/libertas/if_usb.h
+++ b/drivers/net/wireless/libertas/if_usb.h
@@ -46,8 +46,6 @@ struct if_usb_card {
 	struct lbs_private *priv;
 
 	struct sk_buff *rx_skb;
-	uint32_t usb_event_cause;
-	uint8_t usb_int_cause;
 
 	uint8_t ep_in;
 	uint8_t ep_out;
diff --git a/drivers/net/wireless/libertas/join.c b/drivers/net/wireless/libertas/join.c
deleted file mode 100644
index 2d45080..0000000
--- a/drivers/net/wireless/libertas/join.c
+++ /dev/null
@@ -1,895 +0,0 @@
-/**
-  *  Functions implementing wlan infrastructure and adhoc join routines,
-  *  IOCTL handlers as well as command preperation and response routines
-  *  for sending adhoc start, adhoc join, and association commands
-  *  to the firmware.
-  */
-#include <linux/netdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <linux/etherdevice.h>
-
-#include <net/iw_handler.h>
-
-#include "host.h"
-#include "decl.h"
-#include "join.h"
-#include "dev.h"
-#include "assoc.h"
-
-/* The firmware needs certain bits masked out of the beacon-derviced capability
- * field when associating/joining to BSSs.
- */
-#define CAPINFO_MASK	(~(0xda00))
-
-/**
- *  @brief This function finds common rates between rate1 and card rates.
- *
- * It will fill common rates in rate1 as output if found.
- *
- * NOTE: Setting the MSB of the basic rates need to be taken
- *   care, either before or after calling this function
- *
- *  @param priv     A pointer to struct lbs_private structure
- *  @param rate1       the buffer which keeps input and output
- *  @param rate1_size  the size of rate1 buffer; new size of buffer on return
- *
- *  @return            0 or -1
- */
-static int get_common_rates(struct lbs_private *priv,
-	u8 *rates,
-	u16 *rates_size)
-{
-	u8 *card_rates = lbs_bg_rates;
-	size_t num_card_rates = sizeof(lbs_bg_rates);
-	int ret = 0, i, j;
-	u8 tmp[30];
-	size_t tmp_size = 0;
-
-	/* For each rate in card_rates that exists in rate1, copy to tmp */
-	for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
-		for (j = 0; rates[j] && (j < *rates_size); j++) {
-			if (rates[j] == card_rates[i])
-				tmp[tmp_size++] = card_rates[i];
-		}
-	}
-
-	lbs_deb_hex(LBS_DEB_JOIN, "AP rates    ", rates, *rates_size);
-	lbs_deb_hex(LBS_DEB_JOIN, "card rates  ", card_rates, num_card_rates);
-	lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
-	lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
-
-	if (!priv->auto_rate) {
-		for (i = 0; i < tmp_size; i++) {
-			if (tmp[i] == priv->cur_rate)
-				goto done;
-		}
-		lbs_pr_alert("Previously set fixed data rate %#x isn't "
-		       "compatible with the network.\n", priv->cur_rate);
-		ret = -1;
-		goto done;
-	}
-	ret = 0;
-
-done:
-	memset(rates, 0, *rates_size);
-	*rates_size = min_t(int, tmp_size, *rates_size);
-	memcpy(rates, tmp, *rates_size);
-	return ret;
-}
-
-
-/**
- *  @brief Sets the MSB on basic rates as the firmware requires
- *
- * Scan through an array and set the MSB for basic data rates.
- *
- *  @param rates     buffer of data rates
- *  @param len       size of buffer
- */
-static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
-{
-	int i;
-
-	for (i = 0; i < len; i++) {
-		if (rates[i] == 0x02 || rates[i] == 0x04 ||
-		    rates[i] == 0x0b || rates[i] == 0x16)
-			rates[i] |= 0x80;
-	}
-}
-
-/**
- *  @brief Unsets the MSB on basic rates
- *
- * Scan through an array and unset the MSB for basic data rates.
- *
- *  @param rates     buffer of data rates
- *  @param len       size of buffer
- */
-void lbs_unset_basic_rate_flags(u8 *rates, size_t len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		rates[i] &= 0x7f;
-}
-
-
-/**
- *  @brief Associate to a specific BSS discovered in a scan
- *
- *  @param priv      A pointer to struct lbs_private structure
- *  @param pbssdesc  Pointer to the BSS descriptor to associate with.
- *
- *  @return          0-success, otherwise fail
- */
-int lbs_associate(struct lbs_private *priv, struct assoc_request *assoc_req)
-{
-	int ret;
-
-	lbs_deb_enter(LBS_DEB_ASSOC);
-
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11_AUTHENTICATE,
-				    0, CMD_OPTION_WAITFORRSP,
-				    0, assoc_req->bss.bssid);
-
-	if (ret)
-		goto done;
-
-	/* set preamble to firmware */
-	if (   (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
-	    && (assoc_req->bss.capability & WLAN_CAPABILITY_SHORT_PREAMBLE))
-		priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
-	else
-		priv->preamble = CMD_TYPE_LONG_PREAMBLE;
-
-	lbs_set_radio_control(priv);
-
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11_ASSOCIATE,
-				    0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
-
-done:
-	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
-	return ret;
-}
-
-/**
- *  @brief Start an Adhoc Network
- *
- *  @param priv         A pointer to struct lbs_private structure
- *  @param adhocssid    The ssid of the Adhoc Network
- *  @return             0--success, -1--fail
- */
-int lbs_start_adhoc_network(struct lbs_private *priv,
-	struct assoc_request *assoc_req)
-{
-	int ret = 0;
-
-	priv->adhoccreate = 1;
-
-	if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
-		lbs_deb_join("AdhocStart: Short preamble\n");
-		priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
-	} else {
-		lbs_deb_join("AdhocStart: Long preamble\n");
-		priv->preamble = CMD_TYPE_LONG_PREAMBLE;
-	}
-
-	lbs_set_radio_control(priv);
-
-	lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
-	lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
-
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
-				    0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
-
-	return ret;
-}
-
-/**
- *  @brief Join an adhoc network found in a previous scan
- *
- *  @param priv         A pointer to struct lbs_private structure
- *  @param pbssdesc     Pointer to a BSS descriptor found in a previous scan
- *                      to attempt to join
- *
- *  @return             0--success, -1--fail
- */
-int lbs_join_adhoc_network(struct lbs_private *priv,
-	struct assoc_request *assoc_req)
-{
-	struct bss_descriptor * bss = &assoc_req->bss;
-	int ret = 0;
-
-	lbs_deb_join("%s: Current SSID '%s', ssid length %u\n",
-	             __func__,
-	             escape_essid(priv->curbssparams.ssid,
-	                          priv->curbssparams.ssid_len),
-	             priv->curbssparams.ssid_len);
-	lbs_deb_join("%s: requested ssid '%s', ssid length %u\n",
-	             __func__, escape_essid(bss->ssid, bss->ssid_len),
-	             bss->ssid_len);
-
-	/* check if the requested SSID is already joined */
-	if (   priv->curbssparams.ssid_len
-	    && !lbs_ssid_cmp(priv->curbssparams.ssid,
-	                          priv->curbssparams.ssid_len,
-	                          bss->ssid, bss->ssid_len)
-	    && (priv->mode == IW_MODE_ADHOC)
-	    && (priv->connect_status == LBS_CONNECTED)) {
-		union iwreq_data wrqu;
-
-		lbs_deb_join("ADHOC_J_CMD: New ad-hoc SSID is the same as "
-		             "current, not attempting to re-join");
-
-		/* Send the re-association event though, because the association
-		 * request really was successful, even if just a null-op.
-		 */
-		memset(&wrqu, 0, sizeof(wrqu));
-		memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid,
-		       ETH_ALEN);
-		wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-		wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-		goto out;
-	}
-
-	/* Use shortpreamble only when both creator and card supports
-	   short preamble */
-	if (   !(bss->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
-	    || !(priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)) {
-		lbs_deb_join("AdhocJoin: Long preamble\n");
-		priv->preamble = CMD_TYPE_LONG_PREAMBLE;
-	} else {
-		lbs_deb_join("AdhocJoin: Short preamble\n");
-		priv->preamble = CMD_TYPE_SHORT_PREAMBLE;
-	}
-
-	lbs_set_radio_control(priv);
-
-	lbs_deb_join("AdhocJoin: channel = %d\n", assoc_req->channel);
-	lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
-
-	priv->adhoccreate = 0;
-
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
-				    0, CMD_OPTION_WAITFORRSP,
-				    OID_802_11_SSID, assoc_req);
-
-out:
-	return ret;
-}
-
-int lbs_stop_adhoc_network(struct lbs_private *priv)
-{
-	return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
-				     0, CMD_OPTION_WAITFORRSP, 0, NULL);
-}
-
-/**
- *  @brief Send Deauthentication Request
- *
- *  @param priv      A pointer to struct lbs_private structure
- *  @return          0--success, -1--fail
- */
-int lbs_send_deauthentication(struct lbs_private *priv)
-{
-	return lbs_prepare_and_send_command(priv, CMD_802_11_DEAUTHENTICATE,
-				     0, CMD_OPTION_WAITFORRSP, 0, NULL);
-}
-
-/**
- *  @brief This function prepares command of authenticate.
- *
- *  @param priv      A pointer to struct lbs_private structure
- *  @param cmd       A pointer to cmd_ds_command structure
- *  @param pdata_buf Void cast of pointer to a BSSID to authenticate with
- *
- *  @return         0 or -1
- */
-int lbs_cmd_80211_authenticate(struct lbs_private *priv,
-				 struct cmd_ds_command *cmd,
-				 void *pdata_buf)
-{
-	struct cmd_ds_802_11_authenticate *pauthenticate = &cmd->params.auth;
-	int ret = -1;
-	u8 *bssid = pdata_buf;
-	DECLARE_MAC_BUF(mac);
-
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	cmd->command = cpu_to_le16(CMD_802_11_AUTHENTICATE);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_authenticate)
-	                        + S_DS_GEN);
-
-	/* translate auth mode to 802.11 defined wire value */
-	switch (priv->secinfo.auth_mode) {
-	case IW_AUTH_ALG_OPEN_SYSTEM:
-		pauthenticate->authtype = 0x00;
-		break;
-	case IW_AUTH_ALG_SHARED_KEY:
-		pauthenticate->authtype = 0x01;
-		break;
-	case IW_AUTH_ALG_LEAP:
-		pauthenticate->authtype = 0x80;
-		break;
-	default:
-		lbs_deb_join("AUTH_CMD: invalid auth alg 0x%X\n",
-		             priv->secinfo.auth_mode);
-		goto out;
-	}
-
-	memcpy(pauthenticate->macaddr, bssid, ETH_ALEN);
-
-	lbs_deb_join("AUTH_CMD: BSSID %s, auth 0x%x\n",
-	             print_mac(mac, bssid), pauthenticate->authtype);
-	ret = 0;
-
-out:
-	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
-	return ret;
-}
-
-int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
-				   struct cmd_ds_command *cmd)
-{
-	struct cmd_ds_802_11_deauthenticate *dauth = &cmd->params.deauth;
-
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	cmd->command = cpu_to_le16(CMD_802_11_DEAUTHENTICATE);
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_deauthenticate) +
-			     S_DS_GEN);
-
-	/* set AP MAC address */
-	memmove(dauth->macaddr, priv->curbssparams.bssid, ETH_ALEN);
-
-	/* Reason code 3 = Station is leaving */
-#define REASON_CODE_STA_LEAVING 3
-	dauth->reasoncode = cpu_to_le16(REASON_CODE_STA_LEAVING);
-
-	lbs_deb_leave(LBS_DEB_JOIN);
-	return 0;
-}
-
-int lbs_cmd_80211_associate(struct lbs_private *priv,
-			      struct cmd_ds_command *cmd, void *pdata_buf)
-{
-	struct cmd_ds_802_11_associate *passo = &cmd->params.associate;
-	int ret = 0;
-	struct assoc_request * assoc_req = pdata_buf;
-	struct bss_descriptor * bss = &assoc_req->bss;
-	u8 *pos;
-	u16 tmpcap, tmplen;
-	struct mrvlietypes_ssidparamset *ssid;
-	struct mrvlietypes_phyparamset *phy;
-	struct mrvlietypes_ssparamset *ss;
-	struct mrvlietypes_ratesparamset *rates;
-	struct mrvlietypes_rsnparamset *rsn;
-
-	lbs_deb_enter(LBS_DEB_ASSOC);
-
-	pos = (u8 *) passo;
-
-	if (!priv) {
-		ret = -1;
-		goto done;
-	}
-
-	cmd->command = cpu_to_le16(CMD_802_11_ASSOCIATE);
-
-	memcpy(passo->peerstaaddr, bss->bssid, sizeof(passo->peerstaaddr));
-	pos += sizeof(passo->peerstaaddr);
-
-	/* set the listen interval */
-	passo->listeninterval = cpu_to_le16(MRVDRV_DEFAULT_LISTEN_INTERVAL);
-
-	pos += sizeof(passo->capability);
-	pos += sizeof(passo->listeninterval);
-	pos += sizeof(passo->bcnperiod);
-	pos += sizeof(passo->dtimperiod);
-
-	ssid = (struct mrvlietypes_ssidparamset *) pos;
-	ssid->header.type = cpu_to_le16(TLV_TYPE_SSID);
-	tmplen = bss->ssid_len;
-	ssid->header.len = cpu_to_le16(tmplen);
-	memcpy(ssid->ssid, bss->ssid, tmplen);
-	pos += sizeof(ssid->header) + tmplen;
-
-	phy = (struct mrvlietypes_phyparamset *) pos;
-	phy->header.type = cpu_to_le16(TLV_TYPE_PHY_DS);
-	tmplen = sizeof(phy->fh_ds.dsparamset);
-	phy->header.len = cpu_to_le16(tmplen);
-	memcpy(&phy->fh_ds.dsparamset,
-	       &bss->phyparamset.dsparamset.currentchan,
-	       tmplen);
-	pos += sizeof(phy->header) + tmplen;
-
-	ss = (struct mrvlietypes_ssparamset *) pos;
-	ss->header.type = cpu_to_le16(TLV_TYPE_CF);
-	tmplen = sizeof(ss->cf_ibss.cfparamset);
-	ss->header.len = cpu_to_le16(tmplen);
-	pos += sizeof(ss->header) + tmplen;
-
-	rates = (struct mrvlietypes_ratesparamset *) pos;
-	rates->header.type = cpu_to_le16(TLV_TYPE_RATES);
-	memcpy(&rates->rates, &bss->rates, MAX_RATES);
-	tmplen = MAX_RATES;
-	if (get_common_rates(priv, rates->rates, &tmplen)) {
-		ret = -1;
-		goto done;
-	}
-	pos += sizeof(rates->header) + tmplen;
-	rates->header.len = cpu_to_le16(tmplen);
-	lbs_deb_assoc("ASSOC_CMD: num rates %u\n", tmplen);
-
-	/* Copy the infra. association rates into Current BSS state structure */
-	memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
-	memcpy(&priv->curbssparams.rates, &rates->rates, tmplen);
-
-	/* Set MSB on basic rates as the firmware requires, but _after_
-	 * copying to current bss rates.
-	 */
-	lbs_set_basic_rate_flags(rates->rates, tmplen);
-
-	if (assoc_req->secinfo.WPAenabled || assoc_req->secinfo.WPA2enabled) {
-		rsn = (struct mrvlietypes_rsnparamset *) pos;
-		/* WPA_IE or WPA2_IE */
-		rsn->header.type = cpu_to_le16((u16) assoc_req->wpa_ie[0]);
-		tmplen = (u16) assoc_req->wpa_ie[1];
-		rsn->header.len = cpu_to_le16(tmplen);
-		memcpy(rsn->rsnie, &assoc_req->wpa_ie[2], tmplen);
-		lbs_deb_hex(LBS_DEB_JOIN, "ASSOC_CMD: RSN IE", (u8 *) rsn,
-			sizeof(rsn->header) + tmplen);
-		pos += sizeof(rsn->header) + tmplen;
-	}
-
-	/* update curbssparams */
-	priv->curbssparams.channel = bss->phyparamset.dsparamset.currentchan;
-
-	if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
-		ret = -1;
-		goto done;
-	}
-
-	cmd->size = cpu_to_le16((u16) (pos - (u8 *) passo) + S_DS_GEN);
-
-	/* set the capability info */
-	tmpcap = (bss->capability & CAPINFO_MASK);
-	if (bss->mode == IW_MODE_INFRA)
-		tmpcap |= WLAN_CAPABILITY_ESS;
-	passo->capability = cpu_to_le16(tmpcap);
-	lbs_deb_assoc("ASSOC_CMD: capability 0x%04x\n", tmpcap);
-
-done:
-	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
-	return ret;
-}
-
-int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
-				 struct cmd_ds_command *cmd, void *pdata_buf)
-{
-	struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
-	int ret = 0;
-	int cmdappendsize = 0;
-	struct assoc_request * assoc_req = pdata_buf;
-	u16 tmpcap = 0;
-	size_t ratesize = 0;
-
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	if (!priv) {
-		ret = -1;
-		goto done;
-	}
-
-	cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START);
-
-	/*
-	 * Fill in the parameters for 2 data structures:
-	 *   1. cmd_ds_802_11_ad_hoc_start command
-	 *   2. priv->scantable[i]
-	 *
-	 * Driver will fill up SSID, bsstype,IBSS param, Physical Param,
-	 *   probe delay, and cap info.
-	 *
-	 * Firmware will fill up beacon period, DTIM, Basic rates
-	 *   and operational rates.
-	 */
-
-	memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE);
-	memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len);
-
-	lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
-	             escape_essid(assoc_req->ssid, assoc_req->ssid_len),
-	             assoc_req->ssid_len);
-
-	/* set the BSS type */
-	adhs->bsstype = CMD_BSS_TYPE_IBSS;
-	priv->mode = IW_MODE_ADHOC;
-	if (priv->beacon_period == 0)
-		priv->beacon_period = MRVDRV_BEACON_INTERVAL;
-	adhs->beaconperiod = cpu_to_le16(priv->beacon_period);
-
-	/* set Physical param set */
-#define DS_PARA_IE_ID   3
-#define DS_PARA_IE_LEN  1
-
-	adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
-	adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
-
-	WARN_ON(!assoc_req->channel);
-
-	lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
-		     assoc_req->channel);
-
-	adhs->phyparamset.dsparamset.currentchan = assoc_req->channel;
-
-	/* set IBSS param set */
-#define IBSS_PARA_IE_ID   6
-#define IBSS_PARA_IE_LEN  2
-
-	adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
-	adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
-	adhs->ssparamset.ibssparamset.atimwindow = 0;
-
-	/* set capability info */
-	tmpcap = WLAN_CAPABILITY_IBSS;
-	if (assoc_req->secinfo.wep_enabled) {
-		lbs_deb_join("ADHOC_S_CMD: WEP enabled, setting privacy on\n");
-		tmpcap |= WLAN_CAPABILITY_PRIVACY;
-	} else {
-		lbs_deb_join("ADHOC_S_CMD: WEP disabled, setting privacy off\n");
-	}
-	adhs->capability = cpu_to_le16(tmpcap);
-
-	/* probedelay */
-	adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
-
-	memset(adhs->rates, 0, sizeof(adhs->rates));
-	ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates));
-	memcpy(adhs->rates, lbs_bg_rates, ratesize);
-
-	/* Copy the ad-hoc creating rates into Current BSS state structure */
-	memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
-	memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize);
-
-	/* Set MSB on basic rates as the firmware requires, but _after_
-	 * copying to current bss rates.
-	 */
-	lbs_set_basic_rate_flags(adhs->rates, ratesize);
-
-	lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
-	       adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]);
-
-	lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
-
-	if (lbs_create_dnld_countryinfo_11d(priv)) {
-		lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
-		ret = -1;
-		goto done;
-	}
-
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) +
-				S_DS_GEN + cmdappendsize);
-
-	ret = 0;
-done:
-	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
-	return ret;
-}
-
-int lbs_cmd_80211_ad_hoc_stop(struct lbs_private *priv,
-				struct cmd_ds_command *cmd)
-{
-	cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP);
-	cmd->size = cpu_to_le16(S_DS_GEN);
-
-	return 0;
-}
-
-int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
-				struct cmd_ds_command *cmd, void *pdata_buf)
-{
-	struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj;
-	struct assoc_request * assoc_req = pdata_buf;
-	struct bss_descriptor *bss = &assoc_req->bss;
-	int cmdappendsize = 0;
-	int ret = 0;
-	u16 ratesize = 0;
-	DECLARE_MAC_BUF(mac);
-
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN);
-
-	join_cmd->bss.type = CMD_BSS_TYPE_IBSS;
-	join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
-
-	memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN);
-	memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len);
-
-	memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset,
-	       sizeof(union ieeetypes_phyparamset));
-
-	memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset,
-	       sizeof(union IEEEtypes_ssparamset));
-
-	join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
-	lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
-	       bss->capability, CAPINFO_MASK);
-
-	/* information on BSSID descriptor passed to FW */
-	lbs_deb_join(
-	       "ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
-	       print_mac(mac, join_cmd->bss.bssid),
-	       join_cmd->bss.ssid);
-
-	/* failtimeout */
-	join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
-
-	/* probedelay */
-	join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
-
-	priv->curbssparams.channel = bss->channel;
-
-	/* Copy Data rates from the rates recorded in scan response */
-	memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates));
-	ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES);
-	memcpy(join_cmd->bss.rates, bss->rates, ratesize);
-	if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) {
-		lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
-		ret = -1;
-		goto done;
-	}
-
-	/* Copy the ad-hoc creating rates into Current BSS state structure */
-	memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
-	memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize);
-
-	/* Set MSB on basic rates as the firmware requires, but _after_
-	 * copying to current bss rates.
-	 */
-	lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize);
-
-	join_cmd->bss.ssparamset.ibssparamset.atimwindow =
-	    cpu_to_le16(bss->atimwindow);
-
-	if (assoc_req->secinfo.wep_enabled) {
-		u16 tmp = le16_to_cpu(join_cmd->bss.capability);
-		tmp |= WLAN_CAPABILITY_PRIVACY;
-		join_cmd->bss.capability = cpu_to_le16(tmp);
-	}
-
-	if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
-		/* wake up first */
-		__le32 Localpsmode;
-
-		Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
-		ret = lbs_prepare_and_send_command(priv,
-					    CMD_802_11_PS_MODE,
-					    CMD_ACT_SET,
-					    0, 0, &Localpsmode);
-
-		if (ret) {
-			ret = -1;
-			goto done;
-		}
-	}
-
-	if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
-		ret = -1;
-		goto done;
-	}
-
-	cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) +
-				S_DS_GEN + cmdappendsize);
-
-done:
-	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
-	return ret;
-}
-
-int lbs_ret_80211_associate(struct lbs_private *priv,
-			      struct cmd_ds_command *resp)
-{
-	int ret = 0;
-	union iwreq_data wrqu;
-	struct ieeetypes_assocrsp *passocrsp;
-	struct bss_descriptor * bss;
-	u16 status_code;
-
-	lbs_deb_enter(LBS_DEB_ASSOC);
-
-	if (!priv->in_progress_assoc_req) {
-		lbs_deb_assoc("ASSOC_RESP: no in-progress assoc request\n");
-		ret = -1;
-		goto done;
-	}
-	bss = &priv->in_progress_assoc_req->bss;
-
-	passocrsp = (struct ieeetypes_assocrsp *) & resp->params;
-
-	/*
-	 * Older FW versions map the IEEE 802.11 Status Code in the association
-	 * response to the following values returned in passocrsp->statuscode:
-	 *
-	 *    IEEE Status Code                Marvell Status Code
-	 *    0                       ->      0x0000 ASSOC_RESULT_SUCCESS
-	 *    13                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
-	 *    14                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
-	 *    15                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
-	 *    16                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
-	 *    others                  ->      0x0003 ASSOC_RESULT_REFUSED
-	 *
-	 * Other response codes:
-	 *    0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
-	 *    0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
-	 *                                    association response from the AP)
-	 */
-
-	status_code = le16_to_cpu(passocrsp->statuscode);
-	switch (status_code) {
-	case 0x00:
-		break;
-	case 0x01:
-		lbs_deb_assoc("ASSOC_RESP: invalid parameters\n");
-		break;
-	case 0x02:
-		lbs_deb_assoc("ASSOC_RESP: internal timer "
-			"expired while waiting for the AP\n");
-		break;
-	case 0x03:
-		lbs_deb_assoc("ASSOC_RESP: association "
-			"refused by AP\n");
-		break;
-	case 0x04:
-		lbs_deb_assoc("ASSOC_RESP: authentication "
-			"refused by AP\n");
-		break;
-	default:
-		lbs_deb_assoc("ASSOC_RESP: failure reason 0x%02x "
-			" unknown\n", status_code);
-		break;
-	}
-
-	if (status_code) {
-		lbs_mac_event_disconnected(priv);
-		ret = -1;
-		goto done;
-	}
-
-	lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_RESP", (void *)&resp->params,
-		le16_to_cpu(resp->size) - S_DS_GEN);
-
-	/* Send a Media Connected event, according to the Spec */
-	priv->connect_status = LBS_CONNECTED;
-
-	/* Update current SSID and BSSID */
-	memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
-	priv->curbssparams.ssid_len = bss->ssid_len;
-	memcpy(priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
-
-	lbs_deb_assoc("ASSOC_RESP: currentpacketfilter is 0x%x\n",
-		priv->currentpacketfilter);
-
-	priv->SNR[TYPE_RXPD][TYPE_AVG] = 0;
-	priv->NF[TYPE_RXPD][TYPE_AVG] = 0;
-
-	memset(priv->rawSNR, 0x00, sizeof(priv->rawSNR));
-	memset(priv->rawNF, 0x00, sizeof(priv->rawNF));
-	priv->nextSNRNF = 0;
-	priv->numSNRNF = 0;
-
-	netif_carrier_on(priv->dev);
-	if (!priv->tx_pending_len)
-		netif_wake_queue(priv->dev);
-
-	memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
-done:
-	lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
-	return ret;
-}
-
-int lbs_ret_80211_disassociate(struct lbs_private *priv,
-				 struct cmd_ds_command *resp)
-{
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	lbs_mac_event_disconnected(priv);
-
-	lbs_deb_leave(LBS_DEB_JOIN);
-	return 0;
-}
-
-int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
-				 struct cmd_ds_command *resp)
-{
-	int ret = 0;
-	u16 command = le16_to_cpu(resp->command);
-	u16 result = le16_to_cpu(resp->result);
-	struct cmd_ds_802_11_ad_hoc_result *padhocresult;
-	union iwreq_data wrqu;
-	struct bss_descriptor *bss;
-	DECLARE_MAC_BUF(mac);
-
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	padhocresult = &resp->params.result;
-
-	lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size));
-	lbs_deb_join("ADHOC_RESP: command = %x\n", command);
-	lbs_deb_join("ADHOC_RESP: result = %x\n", result);
-
-	if (!priv->in_progress_assoc_req) {
-		lbs_deb_join("ADHOC_RESP: no in-progress association request\n");
-		ret = -1;
-		goto done;
-	}
-	bss = &priv->in_progress_assoc_req->bss;
-
-	/*
-	 * Join result code 0 --> SUCCESS
-	 */
-	if (result) {
-		lbs_deb_join("ADHOC_RESP: failed\n");
-		if (priv->connect_status == LBS_CONNECTED) {
-			lbs_mac_event_disconnected(priv);
-		}
-		ret = -1;
-		goto done;
-	}
-
-	/*
-	 * Now the join cmd should be successful
-	 * If BSSID has changed use SSID to compare instead of BSSID
-	 */
-	lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
-	             escape_essid(bss->ssid, bss->ssid_len));
-
-	/* Send a Media Connected event, according to the Spec */
-	priv->connect_status = LBS_CONNECTED;
-
-	if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
-		/* Update the created network descriptor with the new BSSID */
-		memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN);
-	}
-
-	/* Set the BSSID from the joined/started descriptor */
-	memcpy(&priv->curbssparams.bssid, bss->bssid, ETH_ALEN);
-
-	/* Set the new SSID to current SSID */
-	memcpy(&priv->curbssparams.ssid, &bss->ssid, IW_ESSID_MAX_SIZE);
-	priv->curbssparams.ssid_len = bss->ssid_len;
-
-	netif_carrier_on(priv->dev);
-	if (!priv->tx_pending_len)
-		netif_wake_queue(priv->dev);
-
-	memset(&wrqu, 0, sizeof(wrqu));
-	memcpy(wrqu.ap_addr.sa_data, priv->curbssparams.bssid, ETH_ALEN);
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
-
-	lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
-	lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel);
-	lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
-		     print_mac(mac, padhocresult->bssid));
-
-done:
-	lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
-	return ret;
-}
-
-int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv,
-				struct cmd_ds_command *resp)
-{
-	lbs_deb_enter(LBS_DEB_JOIN);
-
-	lbs_mac_event_disconnected(priv);
-
-	lbs_deb_leave(LBS_DEB_JOIN);
-	return 0;
-}
diff --git a/drivers/net/wireless/libertas/join.h b/drivers/net/wireless/libertas/join.h
deleted file mode 100644
index c617d07..0000000
--- a/drivers/net/wireless/libertas/join.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/**
-  * Interface for the wlan infrastructure and adhoc join routines
-  *
-  * Driver interface functions and type declarations for the join module
-  *   implemented in join.c.  Process all start/join requests for
-  *   both adhoc and infrastructure networks
-  */
-#ifndef _LBS_JOIN_H
-#define _LBS_JOIN_H
-
-#include "defs.h"
-#include "dev.h"
-
-struct cmd_ds_command;
-int lbs_cmd_80211_authenticate(struct lbs_private *priv,
-					struct cmd_ds_command *cmd,
-					void *pdata_buf);
-int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
-				       struct cmd_ds_command *cmd,
-				       void *pdata_buf);
-int lbs_cmd_80211_ad_hoc_stop(struct lbs_private *priv,
-				       struct cmd_ds_command *cmd);
-int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
-					struct cmd_ds_command *cmd,
-					void *pdata_buf);
-int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
-					  struct cmd_ds_command *cmd);
-int lbs_cmd_80211_associate(struct lbs_private *priv,
-				     struct cmd_ds_command *cmd,
-				     void *pdata_buf);
-
-int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
-					struct cmd_ds_command *resp);
-int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv,
-				       struct cmd_ds_command *resp);
-int lbs_ret_80211_disassociate(struct lbs_private *priv,
-					struct cmd_ds_command *resp);
-int lbs_ret_80211_associate(struct lbs_private *priv,
-				     struct cmd_ds_command *resp);
-
-int lbs_start_adhoc_network(struct lbs_private *priv,
-			     struct assoc_request * assoc_req);
-int lbs_join_adhoc_network(struct lbs_private *priv,
-				struct assoc_request * assoc_req);
-int lbs_stop_adhoc_network(struct lbs_private *priv);
-
-int lbs_send_deauthentication(struct lbs_private *priv);
-
-int lbs_associate(struct lbs_private *priv, struct assoc_request *assoc_req);
-
-void lbs_unset_basic_rate_flags(u8 *rates, size_t len);
-
-#endif
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 4d4e2f3..406f54d 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -10,6 +10,7 @@
 #include <linux/netdevice.h>
 #include <linux/if_arp.h>
 #include <linux/kthread.h>
+#include <linux/kfifo.h>
 
 #include <net/iw_handler.h>
 #include <net/ieee80211.h>
@@ -19,8 +20,8 @@
 #include "dev.h"
 #include "wext.h"
 #include "debugfs.h"
+#include "scan.h"
 #include "assoc.h"
-#include "join.h"
 #include "cmd.h"
 
 #define DRIVER_RELEASE_VERSION "323.p0"
@@ -37,6 +38,11 @@ EXPORT_SYMBOL_GPL(lbs_debug);
 module_param_named(libertas_debug, lbs_debug, int, 0644);
 
 
+/* This global structure is used to send the confirm_sleep command as
+ * fast as possible down to the firmware. */
+struct cmd_confirm_sleep confirm_sleep;
+
+
 #define LBS_TX_PWR_DEFAULT		20	/*100mW */
 #define LBS_TX_PWR_US_DEFAULT		20	/*100mW */
 #define LBS_TX_PWR_JP_DEFAULT		16	/*50mW */
@@ -277,10 +283,10 @@ static ssize_t lbs_rtap_set(struct device *dev,
 	struct lbs_private *priv = to_net_dev(dev)->priv;
 
 	sscanf(buf, "%x", &monitor_mode);
-	if (monitor_mode != LBS_MONITOR_OFF) {
-		if(priv->monitormode == monitor_mode)
+	if (monitor_mode) {
+		if (priv->monitormode == monitor_mode)
 			return strlen(buf);
-		if (priv->monitormode == LBS_MONITOR_OFF) {
+		if (!priv->monitormode) {
 			if (priv->infra_open || priv->mesh_open)
 				return -EBUSY;
 			if (priv->mode == IW_MODE_INFRA)
@@ -293,9 +299,9 @@ static ssize_t lbs_rtap_set(struct device *dev,
 	}
 
 	else {
-		if (priv->monitormode == LBS_MONITOR_OFF)
+		if (!priv->monitormode)
 			return strlen(buf);
-		priv->monitormode = LBS_MONITOR_OFF;
+		priv->monitormode = 0;
 		lbs_remove_rtap(priv);
 
 		if (priv->currenttxskb) {
@@ -392,7 +398,7 @@ static int lbs_dev_open(struct net_device *dev)
 
 	spin_lock_irq(&priv->driver_lock);
 
-	if (priv->monitormode != LBS_MONITOR_OFF) {
+	if (priv->monitormode) {
 		ret = -EBUSY;
 		goto out;
 	}
@@ -475,10 +481,9 @@ static void lbs_tx_timeout(struct net_device *dev)
 
 	dev->trans_start = jiffies;
 
-	if (priv->currenttxskb) {
-		priv->eventcause = 0x01000000;
-		lbs_send_tx_feedback(priv);
-	}
+	if (priv->currenttxskb)
+		lbs_send_tx_feedback(priv, 0);
+
 	/* XX: Shouldn't we also call into the hw-specific driver
 	   to kick it somehow? */
 	lbs_host_to_card_done(priv);
@@ -531,34 +536,27 @@ static int lbs_set_mac_address(struct net_device *dev, void *addr)
 	int ret = 0;
 	struct lbs_private *priv = (struct lbs_private *) dev->priv;
 	struct sockaddr *phwaddr = addr;
+	struct cmd_ds_802_11_mac_address cmd;
 
 	lbs_deb_enter(LBS_DEB_NET);
 
 	/* In case it was called from the mesh device */
-	dev = priv->dev ;
-
-	memset(priv->current_addr, 0, ETH_ALEN);
-
-	/* dev->dev_addr is 8 bytes */
-	lbs_deb_hex(LBS_DEB_NET, "dev->dev_addr", dev->dev_addr, ETH_ALEN);
-
-	lbs_deb_hex(LBS_DEB_NET, "addr", phwaddr->sa_data, ETH_ALEN);
-	memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
+	dev = priv->dev;
 
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11_MAC_ADDRESS,
-				    CMD_ACT_SET,
-				    CMD_OPTION_WAITFORRSP, 0, NULL);
+	cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+	cmd.action = cpu_to_le16(CMD_ACT_SET);
+	memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN);
 
+	ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd);
 	if (ret) {
 		lbs_deb_net("set MAC address failed\n");
-		ret = -1;
 		goto done;
 	}
 
-	lbs_deb_hex(LBS_DEB_NET, "priv->macaddr", priv->current_addr, ETH_ALEN);
-	memcpy(dev->dev_addr, priv->current_addr, ETH_ALEN);
+	memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN);
+	memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
 	if (priv->mesh_dev)
-		memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN);
+		memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN);
 
 done:
 	lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret);
@@ -581,45 +579,45 @@ static int lbs_copy_multicast_address(struct lbs_private *priv,
 static void lbs_set_multicast_list(struct net_device *dev)
 {
 	struct lbs_private *priv = dev->priv;
-	int oldpacketfilter;
+	int old_mac_control;
 	DECLARE_MAC_BUF(mac);
 
 	lbs_deb_enter(LBS_DEB_NET);
 
-	oldpacketfilter = priv->currentpacketfilter;
+	old_mac_control = priv->mac_control;
 
 	if (dev->flags & IFF_PROMISC) {
 		lbs_deb_net("enable promiscuous mode\n");
-		priv->currentpacketfilter |=
+		priv->mac_control |=
 		    CMD_ACT_MAC_PROMISCUOUS_ENABLE;
-		priv->currentpacketfilter &=
+		priv->mac_control &=
 		    ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
 		      CMD_ACT_MAC_MULTICAST_ENABLE);
 	} else {
 		/* Multicast */
-		priv->currentpacketfilter &=
+		priv->mac_control &=
 		    ~CMD_ACT_MAC_PROMISCUOUS_ENABLE;
 
 		if (dev->flags & IFF_ALLMULTI || dev->mc_count >
 		    MRVDRV_MAX_MULTICAST_LIST_SIZE) {
 			lbs_deb_net( "enabling all multicast\n");
-			priv->currentpacketfilter |=
+			priv->mac_control |=
 			    CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
-			priv->currentpacketfilter &=
+			priv->mac_control &=
 			    ~CMD_ACT_MAC_MULTICAST_ENABLE;
 		} else {
-			priv->currentpacketfilter &=
+			priv->mac_control &=
 			    ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
 
 			if (!dev->mc_count) {
 				lbs_deb_net("no multicast addresses, "
 				       "disabling multicast\n");
-				priv->currentpacketfilter &=
+				priv->mac_control &=
 				    ~CMD_ACT_MAC_MULTICAST_ENABLE;
 			} else {
 				int i;
 
-				priv->currentpacketfilter |=
+				priv->mac_control |=
 				    CMD_ACT_MAC_MULTICAST_ENABLE;
 
 				priv->nr_of_multicastmacaddr =
@@ -642,9 +640,8 @@ static void lbs_set_multicast_list(struct net_device *dev)
 		}
 	}
 
-	if (priv->currentpacketfilter != oldpacketfilter) {
-		lbs_set_mac_packet_filter(priv);
-	}
+	if (priv->mac_control != old_mac_control)
+		lbs_set_mac_control(priv);
 
 	lbs_deb_leave(LBS_DEB_NET);
 }
@@ -662,7 +659,6 @@ static int lbs_thread(void *data)
 	struct net_device *dev = data;
 	struct lbs_private *priv = dev->priv;
 	wait_queue_t wait;
-	u8 ireg = 0;
 
 	lbs_deb_enter(LBS_DEB_THREAD);
 
@@ -670,9 +666,10 @@ static int lbs_thread(void *data)
 
 	for (;;) {
 		int shouldsleep;
+		u8 resp_idx;
 
-		lbs_deb_thread( "main-thread 111: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
-				priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+		lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n",
+				priv->currenttxskb, priv->dnld_sent);
 
 		add_wait_queue(&priv->waitq, &wait);
 		set_current_state(TASK_INTERRUPTIBLE);
@@ -684,8 +681,6 @@ static int lbs_thread(void *data)
 			shouldsleep = 1;	/* We need to wait until we're _told_ to die */
 		else if (priv->psstate == PS_STATE_SLEEP)
 			shouldsleep = 1;	/* Sleep mode. Nothing we can do till it wakes */
-		else if (priv->intcounter)
-			shouldsleep = 0;	/* Interrupt pending. Deal with it now */
 		else if (priv->cmd_timed_out)
 			shouldsleep = 0;	/* Command timed out. Recover */
 		else if (!priv->fw_ready)
@@ -698,29 +693,34 @@ static int lbs_thread(void *data)
 			shouldsleep = 1;	/* Can't send a command; one already running */
 		else if (!list_empty(&priv->cmdpendingq))
 			shouldsleep = 0;	/* We have a command to send */
+		else if (__kfifo_len(priv->event_fifo))
+			shouldsleep = 0;	/* We have an event to process */
+		else if (priv->resp_len[priv->resp_idx])
+			shouldsleep = 0;	/* We have a command response */
 		else
 			shouldsleep = 1;	/* No command */
 
 		if (shouldsleep) {
-			lbs_deb_thread("main-thread sleeping... Conn=%d IntC=%d PS_mode=%d PS_State=%d\n",
-				       priv->connect_status, priv->intcounter,
-				       priv->psmode, priv->psstate);
+			lbs_deb_thread("sleeping, connect_status %d, "
+				"ps_mode %d, ps_state %d\n",
+				priv->connect_status,
+				priv->psmode, priv->psstate);
 			spin_unlock_irq(&priv->driver_lock);
 			schedule();
 		} else
 			spin_unlock_irq(&priv->driver_lock);
 
-		lbs_deb_thread("main-thread 222 (waking up): intcounter=%d currenttxskb=%p dnld_sent=%d\n",
-			       priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+		lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n",
+			       priv->currenttxskb, priv->dnld_sent);
 
 		set_current_state(TASK_RUNNING);
 		remove_wait_queue(&priv->waitq, &wait);
 
-		lbs_deb_thread("main-thread 333: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
-			       priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+		lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n",
+			       priv->currenttxskb, priv->dnld_sent);
 
 		if (kthread_should_stop()) {
-			lbs_deb_thread("main-thread: break from main thread\n");
+			lbs_deb_thread("break from main thread\n");
 			break;
 		}
 
@@ -729,35 +729,23 @@ static int lbs_thread(void *data)
 			continue;
 		}
 
-		spin_lock_irq(&priv->driver_lock);
-
-		if (priv->intcounter) {
-			u8 int_status;
-
-			priv->intcounter = 0;
-			int_status = priv->hw_get_int_status(priv, &ireg);
-
-			if (int_status) {
-				lbs_deb_thread("main-thread: reading HOST_INT_STATUS_REG failed\n");
-				spin_unlock_irq(&priv->driver_lock);
-				continue;
-			}
-			priv->hisregcpy |= ireg;
-		}
-
-		lbs_deb_thread("main-thread 444: intcounter=%d currenttxskb=%p dnld_sent=%d\n",
-			       priv->intcounter, priv->currenttxskb, priv->dnld_sent);
+		lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n",
+		       priv->currenttxskb, priv->dnld_sent);
 
-		/* command response? */
-		if (priv->hisregcpy & MRVDRV_CMD_UPLD_RDY) {
-			lbs_deb_thread("main-thread: cmd response ready\n");
-
-			priv->hisregcpy &= ~MRVDRV_CMD_UPLD_RDY;
+		spin_lock_irq(&priv->driver_lock);
+		/* Process any pending command response */
+		resp_idx = priv->resp_idx;
+		if (priv->resp_len[resp_idx]) {
 			spin_unlock_irq(&priv->driver_lock);
-			lbs_process_rx_command(priv);
+			lbs_process_command_response(priv,
+				priv->resp_buf[resp_idx],
+				priv->resp_len[resp_idx]);
 			spin_lock_irq(&priv->driver_lock);
+			priv->resp_len[resp_idx] = 0;
 		}
+		spin_unlock_irq(&priv->driver_lock);
 
+		/* command timeout stuff */
 		if (priv->cmd_timed_out && priv->cur_cmd) {
 			struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
 
@@ -778,21 +766,18 @@ static int lbs_thread(void *data)
 		}
 		priv->cmd_timed_out = 0;
 
-		/* Any Card Event */
-		if (priv->hisregcpy & MRVDRV_CARDEVENT) {
-			lbs_deb_thread("main-thread: Card Event Activity\n");
-
-			priv->hisregcpy &= ~MRVDRV_CARDEVENT;
+		/* Process hardware events, e.g. card removed, link lost */
+		spin_lock_irq(&priv->driver_lock);
+		while (__kfifo_len(priv->event_fifo)) {
+			u32 event;
 
-			if (priv->hw_read_event_cause(priv)) {
-				lbs_pr_alert("main-thread: hw_read_event_cause failed\n");
-				spin_unlock_irq(&priv->driver_lock);
-				continue;
-			}
-			spin_unlock_irq(&priv->driver_lock);
-			lbs_process_event(priv);
-		} else
+			__kfifo_get(priv->event_fifo, (unsigned char *) &event,
+				sizeof(event));
 			spin_unlock_irq(&priv->driver_lock);
+			lbs_process_event(priv, event);
+			spin_lock_irq(&priv->driver_lock);
+		}
+		spin_unlock_irq(&priv->driver_lock);
 
 		if (!priv->fw_ready)
 			continue;
@@ -801,10 +786,12 @@ static int lbs_thread(void *data)
 		if (priv->psstate == PS_STATE_PRE_SLEEP &&
 		    !priv->dnld_sent && !priv->cur_cmd) {
 			if (priv->connect_status == LBS_CONNECTED) {
-				lbs_deb_thread("main_thread: PRE_SLEEP--intcounter=%d currenttxskb=%p dnld_sent=%d cur_cmd=%p, confirm now\n",
-					       priv->intcounter, priv->currenttxskb, priv->dnld_sent, priv->cur_cmd);
+				lbs_deb_thread("pre-sleep, currenttxskb %p, "
+					"dnld_sent %d, cur_cmd %p\n",
+					priv->currenttxskb, priv->dnld_sent,
+					priv->cur_cmd);
 
-				lbs_ps_confirm_sleep(priv, (u16) priv->psmode);
+				lbs_ps_confirm_sleep(priv);
 			} else {
 				/* workaround for firmware sending
 				 * deauth/linkloss event immediately
@@ -812,7 +799,8 @@ static int lbs_thread(void *data)
 				 * after firmware fixes it
 				 */
 				priv->psstate = PS_STATE_AWAKE;
-				lbs_pr_alert("main-thread: ignore PS_SleepConfirm in non-connected state\n");
+				lbs_pr_alert("ignore PS_SleepConfirm in "
+					"non-connected state\n");
 			}
 		}
 
@@ -945,7 +933,7 @@ static int lbs_setup_firmware(struct lbs_private *priv)
 		goto done;
 	}
 
-	lbs_set_mac_packet_filter(priv);
+	lbs_set_mac_control(priv);
 
 	ret = lbs_get_data_rate(priv);
 	if (ret < 0) {
@@ -985,6 +973,18 @@ out:
 	lbs_deb_leave(LBS_DEB_CMD);
 }
 
+static void lbs_sync_channel_worker(struct work_struct *work)
+{
+	struct lbs_private *priv = container_of(work, struct lbs_private,
+		sync_channel);
+
+	lbs_deb_enter(LBS_DEB_MAIN);
+	if (lbs_update_channel(priv))
+		lbs_pr_info("Channel synchronization failed.");
+	lbs_deb_leave(LBS_DEB_MAIN);
+}
+
+
 static int lbs_init_adapter(struct lbs_private *priv)
 {
 	size_t bufsize;
@@ -1009,14 +1009,6 @@ static int lbs_init_adapter(struct lbs_private *priv)
 			      &priv->network_free_list);
 	}
 
-	priv->lbs_ps_confirm_sleep.seqnum = cpu_to_le16(++priv->seqnum);
-	priv->lbs_ps_confirm_sleep.command =
-	    cpu_to_le16(CMD_802_11_PS_MODE);
-	priv->lbs_ps_confirm_sleep.size =
-	    cpu_to_le16(sizeof(struct PS_CMD_ConfirmSleep));
-	priv->lbs_ps_confirm_sleep.action =
-	    cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
-
 	memset(priv->current_addr, 0xff, ETH_ALEN);
 
 	priv->connect_status = LBS_DISCONNECTED;
@@ -1024,7 +1016,7 @@ static int lbs_init_adapter(struct lbs_private *priv)
 	priv->secinfo.auth_mode = IW_AUTH_ALG_OPEN_SYSTEM;
 	priv->mode = IW_MODE_INFRA;
 	priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
-	priv->currentpacketfilter = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
+	priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
 	priv->radioon = RADIO_ON;
 	priv->auto_rate = 1;
 	priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
@@ -1045,7 +1037,18 @@ static int lbs_init_adapter(struct lbs_private *priv)
 	/* Allocate the command buffers */
 	if (lbs_allocate_cmd_buffer(priv)) {
 		lbs_pr_err("Out of memory allocating command buffers\n");
-		ret = -1;
+		ret = -ENOMEM;
+		goto out;
+	}
+	priv->resp_idx = 0;
+	priv->resp_len[0] = priv->resp_len[1] = 0;
+
+	/* Create the event FIFO */
+	priv->event_fifo = kfifo_alloc(sizeof(u32) * 16, GFP_KERNEL, NULL);
+	if (IS_ERR(priv->event_fifo)) {
+		lbs_pr_err("Out of memory allocating event FIFO buffer\n");
+		ret = -ENOMEM;
+		goto out;
 	}
 
 out:
@@ -1059,6 +1062,8 @@ static void lbs_free_adapter(struct lbs_private *priv)
 	lbs_deb_enter(LBS_DEB_MAIN);
 
 	lbs_free_cmd_buffer(priv);
+	if (priv->event_fifo)
+		kfifo_free(priv->event_fifo);
 	del_timer(&priv->command_timer);
 	kfree(priv->networks);
 	priv->networks = NULL;
@@ -1128,7 +1133,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 	priv->work_thread = create_singlethread_workqueue("lbs_worker");
 	INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker);
 	INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
-	INIT_WORK(&priv->sync_channel, lbs_sync_channel);
+	INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);
 
 	sprintf(priv->mesh_ssid, "mesh");
 	priv->mesh_ssid_len = 4;
@@ -1380,7 +1385,7 @@ static void lbs_remove_mesh(struct lbs_private *priv)
  *  @param cfp_no  A pointer to CFP number
  *  @return 	   A pointer to CFP
  */
-struct chan_freq_power *lbs_get_region_cfp_table(u8 region, u8 band, int *cfp_no)
+struct chan_freq_power *lbs_get_region_cfp_table(u8 region, int *cfp_no)
 {
 	int i, end;
 
@@ -1414,7 +1419,7 @@ int lbs_set_regiontable(struct lbs_private *priv, u8 region, u8 band)
 
 	memset(priv->region_channel, 0, sizeof(priv->region_channel));
 
-	cfp = lbs_get_region_cfp_table(region, band, &cfp_no);
+	cfp = lbs_get_region_cfp_table(region, &cfp_no);
 	if (cfp != NULL) {
 		priv->region_channel[i].nrcfp = cfp_no;
 		priv->region_channel[i].CFP = cfp;
@@ -1433,31 +1438,49 @@ out:
 	return ret;
 }
 
-/**
- *  @brief This function handles the interrupt. it will change PS
- *  state if applicable. it will wake up main_thread to handle
- *  the interrupt event as well.
- *
- *  @param dev     A pointer to net_device structure
- *  @return 	   n/a
- */
-void lbs_interrupt(struct lbs_private *priv)
+void lbs_queue_event(struct lbs_private *priv, u32 event)
+{
+	unsigned long flags;
+
+	lbs_deb_enter(LBS_DEB_THREAD);
+	spin_lock_irqsave(&priv->driver_lock, flags);
+
+	if (priv->psstate == PS_STATE_SLEEP)
+		priv->psstate = PS_STATE_AWAKE;
+
+	__kfifo_put(priv->event_fifo, (unsigned char *) &event, sizeof(u32));
+
+	wake_up_interruptible(&priv->waitq);
+
+	spin_unlock_irqrestore(&priv->driver_lock, flags);
+	lbs_deb_leave(LBS_DEB_THREAD);
+}
+EXPORT_SYMBOL_GPL(lbs_queue_event);
+
+void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx)
 {
 	lbs_deb_enter(LBS_DEB_THREAD);
 
-	lbs_deb_thread("lbs_interrupt: intcounter=%d\n", priv->intcounter);
-	priv->intcounter++;
 	if (priv->psstate == PS_STATE_SLEEP)
 		priv->psstate = PS_STATE_AWAKE;
+
+	/* Swap buffers by flipping the response index */
+	BUG_ON(resp_idx > 1);
+	priv->resp_idx = resp_idx;
+
 	wake_up_interruptible(&priv->waitq);
 
 	lbs_deb_leave(LBS_DEB_THREAD);
 }
-EXPORT_SYMBOL_GPL(lbs_interrupt);
+EXPORT_SYMBOL_GPL(lbs_notify_command_response);
 
 static int __init lbs_init_module(void)
 {
 	lbs_deb_enter(LBS_DEB_MAIN);
+	memset(&confirm_sleep, 0, sizeof(confirm_sleep));
+	confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE);
+	confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep));
+	confirm_sleep.action = cpu_to_le16(CMD_SUBCMD_SLEEP_CONFIRMED);
 	lbs_debugfs_init();
 	lbs_deb_leave(LBS_DEB_MAIN);
 	return 0;
@@ -1554,6 +1577,32 @@ out:
 	return ret;
 }
 
+#ifndef CONFIG_IEEE80211
+const char *escape_essid(const char *essid, u8 essid_len)
+{
+	static char escaped[IW_ESSID_MAX_SIZE * 2 + 1];
+	const char *s = essid;
+	char *d = escaped;
+
+	if (ieee80211_is_empty_essid(essid, essid_len)) {
+		memcpy(escaped, "<hidden>", sizeof("<hidden>"));
+		return escaped;
+	}
+
+	essid_len = min(essid_len, (u8) IW_ESSID_MAX_SIZE);
+	while (essid_len--) {
+		if (*s == '\0') {
+			*d++ = '\\';
+			*d++ = '0';
+			s++;
+		} else {
+			*d++ = *s++;
+		}
+	}
+	*d = '\0';
+	return escaped;
+}
+#endif
 
 module_init(lbs_init_module);
 module_exit(lbs_exit_module);
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index 149557a..05af731 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -145,17 +145,17 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
 	struct net_device *dev = priv->dev;
 	struct rxpackethdr *p_rx_pkt;
 	struct rxpd *p_rx_pd;
-
 	int hdrchop;
 	struct ethhdr *p_ethhdr;
-
 	const u8 rfc1042_eth_hdr[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
 
 	lbs_deb_enter(LBS_DEB_RX);
 
+	BUG_ON(!skb);
+
 	skb->ip_summed = CHECKSUM_NONE;
 
-	if (priv->monitormode != LBS_MONITOR_OFF)
+	if (priv->monitormode)
 		return process_rxed_802_11_packet(priv, skb);
 
 	p_rx_pkt = (struct rxpackethdr *) skb->data;
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index 69f94c9..e72c97a 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -4,22 +4,14 @@
   * IOCTL handlers as well as command preperation and response routines
   *  for sending scan commands to the firmware.
   */
-#include <linux/ctype.h>
-#include <linux/if.h>
-#include <linux/netdevice.h>
-#include <linux/wireless.h>
 #include <linux/etherdevice.h>
-
-#include <net/ieee80211.h>
-#include <net/iw_handler.h>
-
 #include <asm/unaligned.h>
 
 #include "host.h"
 #include "decl.h"
 #include "dev.h"
 #include "scan.h"
-#include "join.h"
+#include "cmd.h"
 
 //! Approximate amount of data needed to pass a scan result back to iwlist
 #define MAX_SCAN_CELL_SIZE  (IW_EV_ADDR_LEN             \
@@ -39,10 +31,9 @@
 //! Memory needed to store a max number/size SSID TLV for a firmware scan
 #define SSID_TLV_MAX_SIZE  (1 * sizeof(struct mrvlietypes_ssidparamset))
 
-//! Maximum memory needed for a lbs_scan_cmd_config with all TLVs at max
-#define MAX_SCAN_CFG_ALLOC (sizeof(struct lbs_scan_cmd_config)  \
-                            + CHAN_TLV_MAX_SIZE                 \
-                            + SSID_TLV_MAX_SIZE)
+//! Maximum memory needed for a cmd_ds_802_11_scan with all TLVs at max
+#define MAX_SCAN_CFG_ALLOC (sizeof(struct cmd_ds_802_11_scan)	\
+                            + CHAN_TLV_MAX_SIZE + SSID_TLV_MAX_SIZE)
 
 //! The maximum number of channels the firmware can scan per command
 #define MRVDRV_MAX_CHANNELS_PER_SCAN   14
@@ -61,11 +52,8 @@
 //! Scan time specified in the channel TLV for each channel for active scans
 #define MRVDRV_ACTIVE_SCAN_CHAN_TIME   100
 
-static const u8 zeromac[ETH_ALEN] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
-static const u8 bcastmac[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
-
-
-
+static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
+			      struct cmd_header *resp);
 
 /*********************************************************************/
 /*                                                                   */
@@ -73,7 +61,24 @@ static const u8 bcastmac[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
 /*                                                                   */
 /*********************************************************************/
 
-static inline void clear_bss_descriptor (struct bss_descriptor * bss)
+/**
+ *  @brief Unsets the MSB on basic rates
+ *
+ * Scan through an array and unset the MSB for basic data rates.
+ *
+ *  @param rates     buffer of data rates
+ *  @param len       size of buffer
+ */
+static void lbs_unset_basic_rate_flags(u8 *rates, size_t len)
+{
+	int i;
+
+	for (i = 0; i < len; i++)
+		rates[i] &= 0x7f;
+}
+
+
+static inline void clear_bss_descriptor(struct bss_descriptor *bss)
 {
 	/* Don't blow away ->list, just BSS data */
 	memset(bss, 0, offsetof(struct bss_descriptor, list));
@@ -87,7 +92,8 @@ static inline void clear_bss_descriptor (struct bss_descriptor * bss)
  *
  *  @return         0: ssid is same, otherwise is different
  */
-int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
+int lbs_ssid_cmp(uint8_t *ssid1, uint8_t ssid1_len, uint8_t *ssid2,
+		 uint8_t ssid2_len)
 {
 	if (ssid1_len != ssid2_len)
 		return -1;
@@ -95,76 +101,6 @@ int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len)
 	return memcmp(ssid1, ssid2, ssid1_len);
 }
 
-static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
-			struct bss_descriptor * match_bss)
-{
-	if (   !secinfo->wep_enabled
-	    && !secinfo->WPAenabled
-	    && !secinfo->WPA2enabled
-	    && match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC
-	    && match_bss->rsn_ie[0] != MFIE_TYPE_RSN
-	    && !(match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
-		return 1;
-	}
-	return 0;
-}
-
-static inline int match_bss_static_wep(struct lbs_802_11_security *secinfo,
-			struct bss_descriptor * match_bss)
-{
-	if ( secinfo->wep_enabled
-	   && !secinfo->WPAenabled
-	   && !secinfo->WPA2enabled
-	   && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
-		return 1;
-	}
-	return 0;
-}
-
-static inline int match_bss_wpa(struct lbs_802_11_security *secinfo,
-			struct bss_descriptor * match_bss)
-{
-	if (  !secinfo->wep_enabled
-	   && secinfo->WPAenabled
-	   && (match_bss->wpa_ie[0] == MFIE_TYPE_GENERIC)
-	   /* privacy bit may NOT be set in some APs like LinkSys WRT54G
-	      && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
-	    */
-	   ) {
-		return 1;
-	}
-	return 0;
-}
-
-static inline int match_bss_wpa2(struct lbs_802_11_security *secinfo,
-			struct bss_descriptor * match_bss)
-{
-	if (  !secinfo->wep_enabled
-	   && secinfo->WPA2enabled
-	   && (match_bss->rsn_ie[0] == MFIE_TYPE_RSN)
-	   /* privacy bit may NOT be set in some APs like LinkSys WRT54G
-	      && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
-	    */
-	   ) {
-		return 1;
-	}
-	return 0;
-}
-
-static inline int match_bss_dynamic_wep(struct lbs_802_11_security *secinfo,
-			struct bss_descriptor * match_bss)
-{
-	if (  !secinfo->wep_enabled
-	   && !secinfo->WPAenabled
-	   && !secinfo->WPA2enabled
-	   && (match_bss->wpa_ie[0] != MFIE_TYPE_GENERIC)
-	   && (match_bss->rsn_ie[0] != MFIE_TYPE_RSN)
-	   && (match_bss->capability & WLAN_CAPABILITY_PRIVACY)) {
-		return 1;
-	}
-	return 0;
-}
-
 static inline int is_same_network(struct bss_descriptor *src,
 				  struct bss_descriptor *dst)
 {
@@ -177,83 +113,6 @@ static inline int is_same_network(struct bss_descriptor *src,
 		!memcmp(src->ssid, dst->ssid, src->ssid_len));
 }
 
-/**
- *  @brief Check if a scanned network compatible with the driver settings
- *
- *   WEP     WPA     WPA2    ad-hoc  encrypt                      Network
- * enabled enabled  enabled   AES     mode   privacy  WPA  WPA2  Compatible
- *    0       0        0       0      NONE      0      0    0   yes No security
- *    1       0        0       0      NONE      1      0    0   yes Static WEP
- *    0       1        0       0       x        1x     1    x   yes WPA
- *    0       0        1       0       x        1x     x    1   yes WPA2
- *    0       0        0       1      NONE      1      0    0   yes Ad-hoc AES
- *    0       0        0       0     !=NONE     1      0    0   yes Dynamic WEP
- *
- *
- *  @param priv A pointer to struct lbs_private
- *  @param index   Index in scantable to check against current driver settings
- *  @param mode    Network mode: Infrastructure or IBSS
- *
- *  @return        Index in scantable, or error code if negative
- */
-static int is_network_compatible(struct lbs_private *priv,
-		struct bss_descriptor * bss, u8 mode)
-{
-	int matched = 0;
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-
-	if (bss->mode != mode)
-		goto done;
-
-	if ((matched = match_bss_no_security(&priv->secinfo, bss))) {
-		goto done;
-	} else if ((matched = match_bss_static_wep(&priv->secinfo, bss))) {
-		goto done;
-	} else if ((matched = match_bss_wpa(&priv->secinfo, bss))) {
-		lbs_deb_scan(
-		       "is_network_compatible() WPA: wpa_ie 0x%x "
-		       "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
-		       "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
-		       priv->secinfo.wep_enabled ? "e" : "d",
-		       priv->secinfo.WPAenabled ? "e" : "d",
-		       priv->secinfo.WPA2enabled ? "e" : "d",
-		       (bss->capability & WLAN_CAPABILITY_PRIVACY));
-		goto done;
-	} else if ((matched = match_bss_wpa2(&priv->secinfo, bss))) {
-		lbs_deb_scan(
-		       "is_network_compatible() WPA2: wpa_ie 0x%x "
-		       "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s "
-		       "privacy 0x%x\n", bss->wpa_ie[0], bss->rsn_ie[0],
-		       priv->secinfo.wep_enabled ? "e" : "d",
-		       priv->secinfo.WPAenabled ? "e" : "d",
-		       priv->secinfo.WPA2enabled ? "e" : "d",
-		       (bss->capability & WLAN_CAPABILITY_PRIVACY));
-		goto done;
-	} else if ((matched = match_bss_dynamic_wep(&priv->secinfo, bss))) {
-		lbs_deb_scan(
-		       "is_network_compatible() dynamic WEP: "
-		       "wpa_ie 0x%x wpa2_ie 0x%x privacy 0x%x\n",
-		       bss->wpa_ie[0], bss->rsn_ie[0],
-		       (bss->capability & WLAN_CAPABILITY_PRIVACY));
-		goto done;
-	}
-
-	/* bss security settings don't match those configured on card */
-	lbs_deb_scan(
-	       "is_network_compatible() FAILED: wpa_ie 0x%x "
-	       "wpa2_ie 0x%x WEP %s WPA %s WPA2 %s privacy 0x%x\n",
-	       bss->wpa_ie[0], bss->rsn_ie[0],
-	       priv->secinfo.wep_enabled ? "e" : "d",
-	       priv->secinfo.WPAenabled ? "e" : "d",
-	       priv->secinfo.WPA2enabled ? "e" : "d",
-	       (bss->capability & WLAN_CAPABILITY_PRIVACY));
-
-done:
-	lbs_deb_leave_args(LBS_DEB_SCAN, "matched: %d", matched);
-	return matched;
-}
-
 
 
 
@@ -263,17 +122,6 @@ done:
 /*                                                                   */
 /*********************************************************************/
 
-void lbs_scan_worker(struct work_struct *work)
-{
-	struct lbs_private *priv =
-		container_of(work, struct lbs_private, scan_work.work);
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-	lbs_scan_networks(priv, NULL, 0);
-	lbs_deb_leave(LBS_DEB_SCAN);
-}
-
-
 /**
  *  @brief Create a channel list for the driver to scan based on region info
  *
@@ -285,25 +133,18 @@ void lbs_scan_worker(struct work_struct *work)
  *
  *  @param priv          A pointer to struct lbs_private structure
  *  @param scanchanlist  Output parameter: resulting channel list to scan
- *  @param filteredscan  Flag indicating whether or not a BSSID or SSID filter
- *                       is being sent in the command to firmware.  Used to
- *                       increase the number of channels sent in a scan
- *                       command and to disable the firmware channel scan
- *                       filter.
  *
  *  @return              void
  */
 static int lbs_scan_create_channel_list(struct lbs_private *priv,
-					  struct chanscanparamset * scanchanlist,
-					  u8 filteredscan)
+					struct chanscanparamset *scanchanlist)
 {
-
 	struct region_channel *scanregion;
 	struct chan_freq_power *cfp;
 	int rgnidx;
 	int chanidx;
 	int nextchan;
-	u8 scantype;
+	uint8_t scantype;
 
 	chanidx = 0;
 
@@ -314,9 +155,8 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
 	scantype = CMD_SCAN_TYPE_ACTIVE;
 
 	for (rgnidx = 0; rgnidx < ARRAY_SIZE(priv->region_channel); rgnidx++) {
-		if (priv->enable11d &&
-		    (priv->connect_status != LBS_CONNECTED) &&
-		    (priv->mesh_connect_status != LBS_CONNECTED)) {
+		if (priv->enable11d && (priv->connect_status != LBS_CONNECTED)
+		    && (priv->mesh_connect_status != LBS_CONNECTED)) {
 			/* Scan all the supported chan for the first scan */
 			if (!priv->universal_channel[rgnidx].valid)
 				continue;
@@ -331,51 +171,32 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
 			scanregion = &priv->region_channel[rgnidx];
 		}
 
-		for (nextchan = 0;
-		     nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
+		for (nextchan = 0; nextchan < scanregion->nrcfp; nextchan++, chanidx++) {
+			struct chanscanparamset *chan = &scanchanlist[chanidx];
 
 			cfp = scanregion->CFP + nextchan;
 
-			if (priv->enable11d) {
-				scantype =
-				    lbs_get_scan_type_11d(cfp->channel,
-							   &priv->
-							   parsed_region_chan);
-			}
+			if (priv->enable11d)
+				scantype = lbs_get_scan_type_11d(cfp->channel,
+								 &priv->parsed_region_chan);
 
-			switch (scanregion->band) {
-			case BAND_B:
-			case BAND_G:
-			default:
-				scanchanlist[chanidx].radiotype =
-				    CMD_SCAN_RADIO_TYPE_BG;
-				break;
-			}
+			if (scanregion->band == BAND_B || scanregion->band == BAND_G)
+				chan->radiotype = CMD_SCAN_RADIO_TYPE_BG;
 
 			if (scantype == CMD_SCAN_TYPE_PASSIVE) {
-				scanchanlist[chanidx].maxscantime =
-				    cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
-				scanchanlist[chanidx].chanscanmode.passivescan =
-				    1;
+				chan->maxscantime = cpu_to_le16(MRVDRV_PASSIVE_SCAN_CHAN_TIME);
+				chan->chanscanmode.passivescan = 1;
 			} else {
-				scanchanlist[chanidx].maxscantime =
-				    cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
-				scanchanlist[chanidx].chanscanmode.passivescan =
-				    0;
+				chan->maxscantime = cpu_to_le16(MRVDRV_ACTIVE_SCAN_CHAN_TIME);
+				chan->chanscanmode.passivescan = 0;
 			}
 
-			scanchanlist[chanidx].channumber = cfp->channel;
-
-			if (filteredscan) {
-				scanchanlist[chanidx].chanscanmode.
-				    disablechanfilt = 1;
-			}
+			chan->channumber = cfp->channel;
 		}
 	}
 	return chanidx;
 }
 
-
 /*
  * Add SSID TLV of the form:
  *
@@ -383,18 +204,16 @@ static int lbs_scan_create_channel_list(struct lbs_private *priv,
  * length          06 00
  * ssid            4d 4e 54 45 53 54
  */
-static int lbs_scan_add_ssid_tlv(u8 *tlv,
-	const struct lbs_ioctl_user_scan_cfg *user_cfg)
+static int lbs_scan_add_ssid_tlv(struct lbs_private *priv, u8 *tlv)
 {
-	struct mrvlietypes_ssidparamset *ssid_tlv =
-		(struct mrvlietypes_ssidparamset *)tlv;
+	struct mrvlietypes_ssidparamset *ssid_tlv = (void *)tlv;
+
 	ssid_tlv->header.type = cpu_to_le16(TLV_TYPE_SSID);
-	ssid_tlv->header.len = cpu_to_le16(user_cfg->ssid_len);
-	memcpy(ssid_tlv->ssid, user_cfg->ssid, user_cfg->ssid_len);
-	return sizeof(ssid_tlv->header) + user_cfg->ssid_len;
+	ssid_tlv->header.len = cpu_to_le16(priv->scan_ssid_len);
+	memcpy(ssid_tlv->ssid, priv->scan_ssid, priv->scan_ssid_len);
+	return sizeof(ssid_tlv->header) + priv->scan_ssid_len;
 }
 
-
 /*
  * Add CHANLIST TLV of the form
  *
@@ -420,13 +239,12 @@ static int lbs_scan_add_ssid_tlv(u8 *tlv,
  * channel 13      00 0d 00 00 00 64 00
  *
  */
-static int lbs_scan_add_chanlist_tlv(u8 *tlv,
-	struct chanscanparamset *chan_list,
-	int chan_count)
+static int lbs_scan_add_chanlist_tlv(uint8_t *tlv,
+				     struct chanscanparamset *chan_list,
+				     int chan_count)
 {
-	size_t size = sizeof(struct chanscanparamset) * chan_count;
-	struct mrvlietypes_chanlistparamset *chan_tlv =
-		(struct mrvlietypes_chanlistparamset *) tlv;
+	size_t size = sizeof(struct chanscanparamset) *chan_count;
+	struct mrvlietypes_chanlistparamset *chan_tlv = (void *)tlv;
 
 	chan_tlv->header.type = cpu_to_le16(TLV_TYPE_CHANLIST);
 	memcpy(chan_tlv->chanscanparam, chan_list, size);
@@ -434,7 +252,6 @@ static int lbs_scan_add_chanlist_tlv(u8 *tlv,
 	return sizeof(chan_tlv->header) + size;
 }
 
-
 /*
  * Add RATES TLV of the form
  *
@@ -445,11 +262,10 @@ static int lbs_scan_add_chanlist_tlv(u8 *tlv,
  * The rates are in lbs_bg_rates[], but for the 802.11b
  * rates the high bit isn't set.
  */
-static int lbs_scan_add_rates_tlv(u8 *tlv)
+static int lbs_scan_add_rates_tlv(uint8_t *tlv)
 {
 	int i;
-	struct mrvlietypes_ratesparamset *rate_tlv =
-		(struct mrvlietypes_ratesparamset *) tlv;
+	struct mrvlietypes_ratesparamset *rate_tlv = (void *)tlv;
 
 	rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
 	tlv += sizeof(rate_tlv->header);
@@ -470,82 +286,74 @@ static int lbs_scan_add_rates_tlv(u8 *tlv)
 	return sizeof(rate_tlv->header) + i;
 }
 
-
 /*
  * Generate the CMD_802_11_SCAN command with the proper tlv
  * for a bunch of channels.
  */
-static int lbs_do_scan(struct lbs_private *priv,
-	u8 bsstype,
-	struct chanscanparamset *chan_list,
-	int chan_count,
-	const struct lbs_ioctl_user_scan_cfg *user_cfg)
+static int lbs_do_scan(struct lbs_private *priv, uint8_t bsstype,
+		       struct chanscanparamset *chan_list, int chan_count)
 {
 	int ret = -ENOMEM;
-	struct lbs_scan_cmd_config *scan_cmd;
-	u8 *tlv;    /* pointer into our current, growing TLV storage area */
+	struct cmd_ds_802_11_scan *scan_cmd;
+	uint8_t *tlv;	/* pointer into our current, growing TLV storage area */
 
-	lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, "
-		"chan_count %d",
-		bsstype, chan_list[0].channumber, chan_count);
+	lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, chan_count %d",
+			   bsstype, chan_list[0].channumber, chan_count);
 
 	/* create the fixed part for scan command */
 	scan_cmd = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL);
 	if (scan_cmd == NULL)
 		goto out;
+
 	tlv = scan_cmd->tlvbuffer;
-	if (user_cfg)
-		memcpy(scan_cmd->bssid, user_cfg->bssid, ETH_ALEN);
+	/* TODO: do we need to scan for a specific BSSID?
+	memcpy(scan_cmd->bssid, priv->scan_bssid, ETH_ALEN); */
 	scan_cmd->bsstype = bsstype;
 
 	/* add TLVs */
-	if (user_cfg && user_cfg->ssid_len)
-		tlv += lbs_scan_add_ssid_tlv(tlv, user_cfg);
+	if (priv->scan_ssid_len)
+		tlv += lbs_scan_add_ssid_tlv(priv, tlv);
 	if (chan_list && chan_count)
 		tlv += lbs_scan_add_chanlist_tlv(tlv, chan_list, chan_count);
 	tlv += lbs_scan_add_rates_tlv(tlv);
 
 	/* This is the final data we are about to send */
-	scan_cmd->tlvbufferlen = tlv - scan_cmd->tlvbuffer;
-	lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd, 1+6);
+	scan_cmd->hdr.size = cpu_to_le16(tlv - (uint8_t *)scan_cmd);
+	lbs_deb_hex(LBS_DEB_SCAN, "SCAN_CMD", (void *)scan_cmd,
+		    sizeof(*scan_cmd));
 	lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TLV", scan_cmd->tlvbuffer,
-		scan_cmd->tlvbufferlen);
+		    tlv - scan_cmd->tlvbuffer);
+
+	ret = __lbs_cmd(priv, CMD_802_11_SCAN, &scan_cmd->hdr,
+			le16_to_cpu(scan_cmd->hdr.size),
+			lbs_ret_80211_scan, 0);
 
-	ret = lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, 0,
-		CMD_OPTION_WAITFORRSP, 0, scan_cmd);
 out:
 	kfree(scan_cmd);
 	lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
 	return ret;
 }
 
-
 /**
  *  @brief Internal function used to start a scan based on an input config
  *
- *  Also used from debugfs
- *
  *  Use the input user scan configuration information when provided in
  *    order to send the appropriate scan commands to firmware to populate or
  *    update the internal driver scan table
  *
  *  @param priv          A pointer to struct lbs_private structure
- *  @param puserscanin   Pointer to the input configuration for the requested
- *                       scan.
+ *  @param full_scan     Do a full-scan (blocking)
  *
  *  @return              0 or < 0 if error
  */
-int lbs_scan_networks(struct lbs_private *priv,
-	const struct lbs_ioctl_user_scan_cfg *user_cfg,
-                       int full_scan)
+int lbs_scan_networks(struct lbs_private *priv, int full_scan)
 {
 	int ret = -ENOMEM;
 	struct chanscanparamset *chan_list;
 	struct chanscanparamset *curr_chans;
 	int chan_count;
-	u8 bsstype = CMD_BSS_TYPE_ANY;
+	uint8_t bsstype = CMD_BSS_TYPE_ANY;
 	int numchannels = MRVDRV_CHANNELS_PER_SCAN_CMD;
-	int filteredscan = 0;
 	union iwreq_data wrqu;
 #ifdef CONFIG_LIBERTAS_DEBUG
 	struct bss_descriptor *iter;
@@ -553,8 +361,7 @@ int lbs_scan_networks(struct lbs_private *priv,
 	DECLARE_MAC_BUF(mac);
 #endif
 
-	lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d",
-		full_scan);
+	lbs_deb_enter_args(LBS_DEB_SCAN, "full_scan %d", full_scan);
 
 	/* Cancel any partial outstanding partial scans if this scan
 	 * is a full scan.
@@ -562,30 +369,27 @@ int lbs_scan_networks(struct lbs_private *priv,
 	if (full_scan && delayed_work_pending(&priv->scan_work))
 		cancel_delayed_work(&priv->scan_work);
 
-	/* Determine same scan parameters */
+	/* User-specified bsstype or channel list
+	TODO: this can be implemented if some user-space application
+	need the feature. Formerly, it was accessible from debugfs,
+	but then nowhere used.
 	if (user_cfg) {
 		if (user_cfg->bsstype)
-			bsstype = user_cfg->bsstype;
-		if (compare_ether_addr(user_cfg->bssid, &zeromac[0]) != 0) {
-			numchannels = MRVDRV_MAX_CHANNELS_PER_SCAN;
-			filteredscan = 1;
-		}
-	}
-	lbs_deb_scan("numchannels %d, bsstype %d, "
-		"filteredscan %d\n",
-		numchannels, bsstype, filteredscan);
+		bsstype = user_cfg->bsstype;
+	} */
+
+	lbs_deb_scan("numchannels %d, bsstype %d\n", numchannels, bsstype);
 
 	/* Create list of channels to scan */
 	chan_list = kzalloc(sizeof(struct chanscanparamset) *
-				LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
+			    LBS_IOCTL_USER_SCAN_CHAN_MAX, GFP_KERNEL);
 	if (!chan_list) {
 		lbs_pr_alert("SCAN: chan_list empty\n");
 		goto out;
 	}
 
 	/* We want to scan all channels */
-	chan_count = lbs_scan_create_channel_list(priv, chan_list,
-		filteredscan);
+	chan_count = lbs_scan_create_channel_list(priv, chan_list);
 
 	netif_stop_queue(priv->dev);
 	netif_carrier_off(priv->dev);
@@ -595,13 +399,13 @@ int lbs_scan_networks(struct lbs_private *priv,
 	}
 
 	/* Prepare to continue an interrupted scan */
-	lbs_deb_scan("chan_count %d, last_scanned_channel %d\n",
-		     chan_count, priv->last_scanned_channel);
+	lbs_deb_scan("chan_count %d, scan_channel %d\n",
+		     chan_count, priv->scan_channel);
 	curr_chans = chan_list;
 	/* advance channel list by already-scanned-channels */
-	if (priv->last_scanned_channel > 0) {
-		curr_chans += priv->last_scanned_channel;
-		chan_count -= priv->last_scanned_channel;
+	if (priv->scan_channel > 0) {
+		curr_chans += priv->scan_channel;
+		chan_count -= priv->scan_channel;
 	}
 
 	/* Send scan command(s)
@@ -612,9 +416,9 @@ int lbs_scan_networks(struct lbs_private *priv,
 	while (chan_count) {
 		int to_scan = min(numchannels, chan_count);
 		lbs_deb_scan("scanning %d of %d channels\n",
-			to_scan, chan_count);
+			     to_scan, chan_count);
 		ret = lbs_do_scan(priv, bsstype, curr_chans,
-			to_scan, user_cfg);
+				  to_scan);
 		if (ret) {
 			lbs_pr_err("SCAN_CMD failed\n");
 			goto out2;
@@ -623,17 +427,16 @@ int lbs_scan_networks(struct lbs_private *priv,
 		chan_count -= to_scan;
 
 		/* somehow schedule the next part of the scan */
-		if (chan_count &&
-		    !full_scan &&
+		if (chan_count && !full_scan &&
 		    !priv->surpriseremoved) {
 			/* -1 marks just that we're currently scanning */
-			if (priv->last_scanned_channel < 0)
-				priv->last_scanned_channel = to_scan;
+			if (priv->scan_channel < 0)
+				priv->scan_channel = to_scan;
 			else
-				priv->last_scanned_channel += to_scan;
+				priv->scan_channel += to_scan;
 			cancel_delayed_work(&priv->scan_work);
 			queue_delayed_work(priv->work_thread, &priv->scan_work,
-				msecs_to_jiffies(300));
+					   msecs_to_jiffies(300));
 			/* skip over GIWSCAN event */
 			goto out;
 		}
@@ -648,13 +451,13 @@ int lbs_scan_networks(struct lbs_private *priv,
 	lbs_deb_scan("scan table:\n");
 	list_for_each_entry(iter, &priv->network_list, list)
 		lbs_deb_scan("%02d: BSSID %s, RSSI %d, SSID '%s'\n",
-		       i++, print_mac(mac, iter->bssid), (s32) iter->rssi,
-		       escape_essid(iter->ssid, iter->ssid_len));
+			     i++, print_mac(mac, iter->bssid), iter->rssi,
+			     escape_essid(iter->ssid, iter->ssid_len));
 	mutex_unlock(&priv->lock);
 #endif
 
 out2:
-	priv->last_scanned_channel = 0;
+	priv->scan_channel = 0;
 
 out:
 	if (priv->connect_status == LBS_CONNECTED) {
@@ -673,7 +476,15 @@ out:
 	return ret;
 }
 
+void lbs_scan_worker(struct work_struct *work)
+{
+	struct lbs_private *priv =
+		container_of(work, struct lbs_private, scan_work.work);
 
+	lbs_deb_enter(LBS_DEB_SCAN);
+	lbs_scan_networks(priv, 0);
+	lbs_deb_leave(LBS_DEB_SCAN);
+}
 
 
 /*********************************************************************/
@@ -694,7 +505,7 @@ out:
  *  @return             0 or -1
  */
 static int lbs_process_bss(struct bss_descriptor *bss,
-				u8 ** pbeaconinfo, int *bytesleft)
+			   uint8_t **pbeaconinfo, int *bytesleft)
 {
 	struct ieeetypes_fhparamset *pFH;
 	struct ieeetypes_dsparamset *pDS;
@@ -702,9 +513,9 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 	struct ieeetypes_ibssparamset *pibss;
 	DECLARE_MAC_BUF(mac);
 	struct ieeetypes_countryinfoset *pcountryinfo;
-	u8 *pos, *end, *p;
-	u8 n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
-	u16 beaconsize = 0;
+	uint8_t *pos, *end, *p;
+	uint8_t n_ex_rates = 0, got_basic_rates = 0, n_basic_rates = 0;
+	uint16_t beaconsize = 0;
 	int ret;
 
 	lbs_deb_enter(LBS_DEB_SCAN);
@@ -776,12 +587,11 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 
 	/* process variable IE */
 	while (pos <= end - 2) {
-		struct ieee80211_info_element * elem =
-			(struct ieee80211_info_element *) pos;
+		struct ieee80211_info_element * elem = (void *)pos;
 
 		if (pos + elem->len > end) {
 			lbs_deb_scan("process_bss: error in processing IE, "
-			       "bytes left < IE length\n");
+				     "bytes left < IE length\n");
 			break;
 		}
 
@@ -795,7 +605,7 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 			break;
 
 		case MFIE_TYPE_RATES:
-			n_basic_rates = min_t(u8, MAX_RATES, elem->len);
+			n_basic_rates = min_t(uint8_t, MAX_RATES, elem->len);
 			memcpy(bss->rates, elem->data, n_basic_rates);
 			got_basic_rates = 1;
 			lbs_deb_scan("got RATES IE\n");
@@ -836,19 +646,16 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 			lbs_deb_scan("got COUNTRY IE\n");
 			if (pcountryinfo->len < sizeof(pcountryinfo->countrycode)
 			    || pcountryinfo->len > 254) {
-				lbs_deb_scan("process_bss: 11D- Err "
-				       "CountryInfo len %d, min %zd, max 254\n",
-				       pcountryinfo->len,
-				       sizeof(pcountryinfo->countrycode));
+				lbs_deb_scan("process_bss: 11D- Err CountryInfo len %d, min %zd, max 254\n",
+					     pcountryinfo->len, sizeof(pcountryinfo->countrycode));
 				ret = -1;
 				goto done;
 			}
 
-			memcpy(&bss->countryinfo,
-			       pcountryinfo, pcountryinfo->len + 2);
+			memcpy(&bss->countryinfo, pcountryinfo, pcountryinfo->len + 2);
 			lbs_deb_hex(LBS_DEB_SCAN, "process_bss: 11d countryinfo",
-				(u8 *) pcountryinfo,
-				(u32) (pcountryinfo->len + 2));
+				    (uint8_t *) pcountryinfo,
+				    (int) (pcountryinfo->len + 2));
 			break;
 
 		case MFIE_TYPE_RATES_EX:
@@ -872,26 +679,19 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 
 		case MFIE_TYPE_GENERIC:
 			if (elem->len >= 4 &&
-			    elem->data[0] == 0x00 &&
-			    elem->data[1] == 0x50 &&
-			    elem->data[2] == 0xf2 &&
-			    elem->data[3] == 0x01) {
-				bss->wpa_ie_len = min(elem->len + 2,
-				                      MAX_WPA_IE_LEN);
+			    elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
+			    elem->data[2] == 0xf2 && elem->data[3] == 0x01) {
+				bss->wpa_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
 				memcpy(bss->wpa_ie, elem, bss->wpa_ie_len);
 				lbs_deb_scan("got WPA IE\n");
-				lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie,
-				            elem->len);
+				lbs_deb_hex(LBS_DEB_SCAN, "WPA IE", bss->wpa_ie, elem->len);
 			} else if (elem->len >= MARVELL_MESH_IE_LENGTH &&
-			    elem->data[0] == 0x00 &&
-			    elem->data[1] == 0x50 &&
-			    elem->data[2] == 0x43 &&
-			    elem->data[3] == 0x04) {
+				   elem->data[0] == 0x00 && elem->data[1] == 0x50 &&
+				   elem->data[2] == 0x43 && elem->data[3] == 0x04) {
 				lbs_deb_scan("got mesh IE\n");
 				bss->mesh = 1;
 			} else {
-				lbs_deb_scan("got generiec IE: "
-					"%02x:%02x:%02x:%02x, len %d\n",
+				lbs_deb_scan("got generic IE: %02x:%02x:%02x:%02x, len %d\n",
 					elem->data[0], elem->data[1],
 					elem->data[2], elem->data[3],
 					elem->len);
@@ -903,12 +703,12 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 			bss->rsn_ie_len = min(elem->len + 2, MAX_WPA_IE_LEN);
 			memcpy(bss->rsn_ie, elem, bss->rsn_ie_len);
 			lbs_deb_hex(LBS_DEB_SCAN, "process_bss: RSN_IE",
-				bss->rsn_ie, elem->len);
+				    bss->rsn_ie, elem->len);
 			break;
 
 		default:
 			lbs_deb_scan("got IE 0x%04x, len %d\n",
-				elem->id, elem->len);
+				     elem->id, elem->len);
 			break;
 		}
 
@@ -927,213 +727,6 @@ done:
 }
 
 /**
- *  @brief This function finds a specific compatible BSSID in the scan list
- *
- *  Used in association code
- *
- *  @param priv  A pointer to struct lbs_private
- *  @param bssid    BSSID to find in the scan list
- *  @param mode     Network mode: Infrastructure or IBSS
- *
- *  @return         index in BSSID list, or error return code (< 0)
- */
-struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
-		u8 * bssid, u8 mode)
-{
-	struct bss_descriptor * iter_bss;
-	struct bss_descriptor * found_bss = NULL;
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-
-	if (!bssid)
-		goto out;
-
-	lbs_deb_hex(LBS_DEB_SCAN, "looking for",
-		bssid, ETH_ALEN);
-
-	/* Look through the scan table for a compatible match.  The loop will
-	 *   continue past a matched bssid that is not compatible in case there
-	 *   is an AP with multiple SSIDs assigned to the same BSSID
-	 */
-	mutex_lock(&priv->lock);
-	list_for_each_entry (iter_bss, &priv->network_list, list) {
-		if (compare_ether_addr(iter_bss->bssid, bssid))
-			continue; /* bssid doesn't match */
-		switch (mode) {
-		case IW_MODE_INFRA:
-		case IW_MODE_ADHOC:
-			if (!is_network_compatible(priv, iter_bss, mode))
-				break;
-			found_bss = iter_bss;
-			break;
-		default:
-			found_bss = iter_bss;
-			break;
-		}
-	}
-	mutex_unlock(&priv->lock);
-
-out:
-	lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
-	return found_bss;
-}
-
-/**
- *  @brief This function finds ssid in ssid list.
- *
- *  Used in association code
- *
- *  @param priv  A pointer to struct lbs_private
- *  @param ssid     SSID to find in the list
- *  @param bssid    BSSID to qualify the SSID selection (if provided)
- *  @param mode     Network mode: Infrastructure or IBSS
- *
- *  @return         index in BSSID list
- */
-struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
-		   u8 *ssid, u8 ssid_len, u8 * bssid, u8 mode,
-		   int channel)
-{
-	u8 bestrssi = 0;
-	struct bss_descriptor * iter_bss = NULL;
-	struct bss_descriptor * found_bss = NULL;
-	struct bss_descriptor * tmp_oldest = NULL;
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-
-	mutex_lock(&priv->lock);
-
-	list_for_each_entry (iter_bss, &priv->network_list, list) {
-		if (   !tmp_oldest
-		    || (iter_bss->last_scanned < tmp_oldest->last_scanned))
-			tmp_oldest = iter_bss;
-
-		if (lbs_ssid_cmp(iter_bss->ssid, iter_bss->ssid_len,
-		                      ssid, ssid_len) != 0)
-			continue; /* ssid doesn't match */
-		if (bssid && compare_ether_addr(iter_bss->bssid, bssid) != 0)
-			continue; /* bssid doesn't match */
-		if ((channel > 0) && (iter_bss->channel != channel))
-			continue; /* channel doesn't match */
-
-		switch (mode) {
-		case IW_MODE_INFRA:
-		case IW_MODE_ADHOC:
-			if (!is_network_compatible(priv, iter_bss, mode))
-				break;
-
-			if (bssid) {
-				/* Found requested BSSID */
-				found_bss = iter_bss;
-				goto out;
-			}
-
-			if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
-				bestrssi = SCAN_RSSI(iter_bss->rssi);
-				found_bss = iter_bss;
-			}
-			break;
-		case IW_MODE_AUTO:
-		default:
-			if (SCAN_RSSI(iter_bss->rssi) > bestrssi) {
-				bestrssi = SCAN_RSSI(iter_bss->rssi);
-				found_bss = iter_bss;
-			}
-			break;
-		}
-	}
-
-out:
-	mutex_unlock(&priv->lock);
-	lbs_deb_leave_args(LBS_DEB_SCAN, "found_bss %p", found_bss);
-	return found_bss;
-}
-
-/**
- *  @brief This function finds the best SSID in the Scan List
- *
- *  Search the scan table for the best SSID that also matches the current
- *   adapter network preference (infrastructure or adhoc)
- *
- *  @param priv  A pointer to struct lbs_private
- *
- *  @return         index in BSSID list
- */
-static struct bss_descriptor *lbs_find_best_ssid_in_list(
-	struct lbs_private *priv,
-	u8 mode)
-{
-	u8 bestrssi = 0;
-	struct bss_descriptor * iter_bss;
-	struct bss_descriptor * best_bss = NULL;
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-
-	mutex_lock(&priv->lock);
-
-	list_for_each_entry (iter_bss, &priv->network_list, list) {
-		switch (mode) {
-		case IW_MODE_INFRA:
-		case IW_MODE_ADHOC:
-			if (!is_network_compatible(priv, iter_bss, mode))
-				break;
-			if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
-				break;
-			bestrssi = SCAN_RSSI(iter_bss->rssi);
-			best_bss = iter_bss;
-			break;
-		case IW_MODE_AUTO:
-		default:
-			if (SCAN_RSSI(iter_bss->rssi) <= bestrssi)
-				break;
-			bestrssi = SCAN_RSSI(iter_bss->rssi);
-			best_bss = iter_bss;
-			break;
-		}
-	}
-
-	mutex_unlock(&priv->lock);
-	lbs_deb_leave_args(LBS_DEB_SCAN, "best_bss %p", best_bss);
-	return best_bss;
-}
-
-/**
- *  @brief Find the AP with specific ssid in the scan list
- *
- *  Used from association worker.
- *
- *  @param priv         A pointer to struct lbs_private structure
- *  @param pSSID        A pointer to AP's ssid
- *
- *  @return             0--success, otherwise--fail
- */
-int lbs_find_best_network_ssid(struct lbs_private *priv,
-		u8 *out_ssid, u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode)
-{
-	int ret = -1;
-	struct bss_descriptor * found;
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-
-	lbs_scan_networks(priv, NULL, 1);
-	if (priv->surpriseremoved)
-		goto out;
-
-	found = lbs_find_best_ssid_in_list(priv, preferred_mode);
-	if (found && (found->ssid_len > 0)) {
-		memcpy(out_ssid, &found->ssid, IW_ESSID_MAX_SIZE);
-		*out_ssid_len = found->ssid_len;
-		*out_mode = found->mode;
-		ret = 0;
-	}
-
-out:
-	lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", ret);
-	return ret;
-}
-
-
-/**
  *  @brief Send a scan command for all available channels filtered on a spec
  *
  *  Used in association code and from debugfs
@@ -1141,29 +734,24 @@ out:
  *  @param priv             A pointer to struct lbs_private structure
  *  @param ssid             A pointer to the SSID to scan for
  *  @param ssid_len         Length of the SSID
- *  @param clear_ssid       Should existing scan results with this SSID
- *                          be cleared?
  *
  *  @return                0-success, otherwise fail
  */
-int lbs_send_specific_ssid_scan(struct lbs_private *priv,
-			u8 *ssid, u8 ssid_len, u8 clear_ssid)
+int lbs_send_specific_ssid_scan(struct lbs_private *priv, uint8_t *ssid,
+				uint8_t ssid_len)
 {
-	struct lbs_ioctl_user_scan_cfg scancfg;
 	int ret = 0;
 
-	lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s', clear %d",
-		escape_essid(ssid, ssid_len), clear_ssid);
+	lbs_deb_enter_args(LBS_DEB_SCAN, "SSID '%s'\n",
+			   escape_essid(ssid, ssid_len));
 
 	if (!ssid_len)
 		goto out;
 
-	memset(&scancfg, 0x00, sizeof(scancfg));
-	memcpy(scancfg.ssid, ssid, ssid_len);
-	scancfg.ssid_len = ssid_len;
-	scancfg.clear_ssid = clear_ssid;
+	memcpy(priv->scan_ssid, ssid, ssid_len);
+	priv->scan_ssid_len = ssid_len;
 
-	lbs_scan_networks(priv, &scancfg, 1);
+	lbs_scan_networks(priv, 1);
 	if (priv->surpriseremoved) {
 		ret = -1;
 		goto out;
@@ -1187,17 +775,17 @@ out:
 #define MAX_CUSTOM_LEN 64
 
 static inline char *lbs_translate_scan(struct lbs_private *priv,
-					char *start, char *stop,
-					struct bss_descriptor *bss)
+				       char *start, char *stop,
+				       struct bss_descriptor *bss)
 {
 	struct chan_freq_power *cfp;
 	char *current_val;	/* For rates */
 	struct iw_event iwe;	/* Temporary buffer */
 	int j;
-#define PERFECT_RSSI ((u8)50)
-#define WORST_RSSI   ((u8)0)
-#define RSSI_DIFF    ((u8)(PERFECT_RSSI - WORST_RSSI))
-	u8 rssi;
+#define PERFECT_RSSI ((uint8_t)50)
+#define WORST_RSSI   ((uint8_t)0)
+#define RSSI_DIFF    ((uint8_t)(PERFECT_RSSI - WORST_RSSI))
+	uint8_t rssi;
 
 	lbs_deb_enter(LBS_DEB_SCAN);
 
@@ -1217,7 +805,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
 	/* SSID */
 	iwe.cmd = SIOCGIWESSID;
 	iwe.u.data.flags = 1;
-	iwe.u.data.length = min((u32) bss->ssid_len, (u32) IW_ESSID_MAX_SIZE);
+	iwe.u.data.length = min((uint32_t) bss->ssid_len, (uint32_t) IW_ESSID_MAX_SIZE);
 	start = iwe_stream_add_point(start, stop, &iwe, bss->ssid);
 
 	/* Mode */
@@ -1238,28 +826,26 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
 
 	rssi = iwe.u.qual.level - MRVDRV_NF_DEFAULT_SCAN_VALUE;
 	iwe.u.qual.qual =
-	    (100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
-	     (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
-	    (RSSI_DIFF * RSSI_DIFF);
+		(100 * RSSI_DIFF * RSSI_DIFF - (PERFECT_RSSI - rssi) *
+		 (15 * (RSSI_DIFF) + 62 * (PERFECT_RSSI - rssi))) /
+		(RSSI_DIFF * RSSI_DIFF);
 	if (iwe.u.qual.qual > 100)
 		iwe.u.qual.qual = 100;
 
 	if (priv->NF[TYPE_BEACON][TYPE_NOAVG] == 0) {
 		iwe.u.qual.noise = MRVDRV_NF_DEFAULT_SCAN_VALUE;
 	} else {
-		iwe.u.qual.noise =
-		    CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
+		iwe.u.qual.noise = CAL_NF(priv->NF[TYPE_BEACON][TYPE_NOAVG]);
 	}
 
 	/* Locally created ad-hoc BSSs won't have beacons if this is the
 	 * only station in the adhoc network; so get signal strength
 	 * from receive statistics.
 	 */
-	if ((priv->mode == IW_MODE_ADHOC)
-	    && priv->adhoccreate
+	if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate
 	    && !lbs_ssid_cmp(priv->curbssparams.ssid,
-	                          priv->curbssparams.ssid_len,
-	                          bss->ssid, bss->ssid_len)) {
+			     priv->curbssparams.ssid_len,
+			     bss->ssid, bss->ssid_len)) {
 		int snr, nf;
 		snr = priv->SNR[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
 		nf = priv->NF[TYPE_RXPD][TYPE_AVG] / AVG_SCALE;
@@ -1290,14 +876,13 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
 		current_val = iwe_stream_add_value(start, current_val,
 					 stop, &iwe, IW_EV_PARAM_LEN);
 	}
-	if ((bss->mode == IW_MODE_ADHOC)
+	if ((bss->mode == IW_MODE_ADHOC) && priv->adhoccreate
 	    && !lbs_ssid_cmp(priv->curbssparams.ssid,
-	                          priv->curbssparams.ssid_len,
-	                          bss->ssid, bss->ssid_len)
-	    && priv->adhoccreate) {
+			     priv->curbssparams.ssid_len,
+			     bss->ssid, bss->ssid_len)) {
 		iwe.u.bitrate.value = 22 * 500000;
 		current_val = iwe_stream_add_value(start, current_val,
-					 stop, &iwe, IW_EV_PARAM_LEN);
+						   stop, &iwe, IW_EV_PARAM_LEN);
 	}
 	/* Check if we added any event */
 	if((current_val - start) > IW_EV_LCP_LEN)
@@ -1326,8 +911,7 @@ static inline char *lbs_translate_scan(struct lbs_private *priv,
 		char *p = custom;
 
 		iwe.cmd = IWEVCUSTOM;
-		p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
-		              "mesh-type: olpc");
+		p += snprintf(p, MAX_CUSTOM_LEN, "mesh-type: olpc");
 		iwe.u.data.length = p - custom;
 		if (iwe.u.data.length)
 			start = iwe_stream_add_point(start, stop, &iwe, custom);
@@ -1350,39 +934,49 @@ out:
  *  @return             0 --success, otherwise fail
  */
 int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
-		  struct iw_param *wrqu, char *extra)
+		 union iwreq_data *wrqu, char *extra)
 {
 	struct lbs_private *priv = dev->priv;
+	int ret = 0;
 
-	lbs_deb_enter(LBS_DEB_SCAN);
+	lbs_deb_enter(LBS_DEB_WEXT);
 
-	if (!netif_running(dev))
-		return -ENETDOWN;
+	if (!netif_running(dev)) {
+		ret = -ENETDOWN;
+		goto out;
+	}
 
 	/* mac80211 does this:
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->type != IEEE80211_IF_TYPE_xxx)
-		return -EOPNOTSUPP;
+	if (sdata->type != IEEE80211_IF_TYPE_xxx) {
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+	*/
 
 	if (wrqu->data.length == sizeof(struct iw_scan_req) &&
 	    wrqu->data.flags & IW_SCAN_THIS_ESSID) {
-		req = (struct iw_scan_req *)extra;
-			ssid = req->essid;
-		ssid_len = req->essid_len;
+		struct iw_scan_req *req = (struct iw_scan_req *)extra;
+		priv->scan_ssid_len = req->essid_len;
+		memcpy(priv->scan_ssid, req->essid, priv->scan_ssid_len);
+		lbs_deb_wext("set_scan, essid '%s'\n",
+			escape_essid(priv->scan_ssid, priv->scan_ssid_len));
+	} else {
+		priv->scan_ssid_len = 0;
 	}
-	*/
 
 	if (!delayed_work_pending(&priv->scan_work))
 		queue_delayed_work(priv->work_thread, &priv->scan_work,
-			msecs_to_jiffies(50));
+				   msecs_to_jiffies(50));
 	/* set marker that currently a scan is taking place */
-	priv->last_scanned_channel = -1;
+	priv->scan_channel = -1;
 
 	if (priv->surpriseremoved)
-		return -EIO;
+		ret = -EIO;
 
-	lbs_deb_leave(LBS_DEB_SCAN);
-	return 0;
+out:
+	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);
+	return ret;
 }
 
 
@@ -1397,31 +991,30 @@ int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
  *  @return             0 --success, otherwise fail
  */
 int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
-		  struct iw_point *dwrq, char *extra)
+		 struct iw_point *dwrq, char *extra)
 {
 #define SCAN_ITEM_SIZE 128
 	struct lbs_private *priv = dev->priv;
 	int err = 0;
 	char *ev = extra;
 	char *stop = ev + dwrq->length;
-	struct bss_descriptor * iter_bss;
-	struct bss_descriptor * safe;
+	struct bss_descriptor *iter_bss;
+	struct bss_descriptor *safe;
 
-	lbs_deb_enter(LBS_DEB_SCAN);
+	lbs_deb_enter(LBS_DEB_WEXT);
 
 	/* iwlist should wait until the current scan is finished */
-	if (priv->last_scanned_channel)
+	if (priv->scan_channel)
 		return -EAGAIN;
 
 	/* Update RSSI if current BSS is a locally created ad-hoc BSS */
-	if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate) {
+	if ((priv->mode == IW_MODE_ADHOC) && priv->adhoccreate)
 		lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
-					CMD_OPTION_WAITFORRSP, 0, NULL);
-	}
+					     CMD_OPTION_WAITFORRSP, 0, NULL);
 
 	mutex_lock(&priv->lock);
 	list_for_each_entry_safe (iter_bss, safe, &priv->network_list, list) {
-		char * next_ev;
+		char *next_ev;
 		unsigned long stale_time;
 
 		if (stop - ev < SCAN_ITEM_SIZE) {
@@ -1436,8 +1029,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 		/* Prune old an old scan result */
 		stale_time = iter_bss->last_scanned + DEFAULT_MAX_SCAN_AGE;
 		if (time_after(jiffies, stale_time)) {
-			list_move_tail (&iter_bss->list,
-			                &priv->network_free_list);
+			list_move_tail(&iter_bss->list, &priv->network_free_list);
 			clear_bss_descriptor(iter_bss);
 			continue;
 		}
@@ -1453,7 +1045,7 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 	dwrq->length = (ev - extra);
 	dwrq->flags = 0;
 
-	lbs_deb_leave_args(LBS_DEB_SCAN, "ret %d", err);
+	lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", err);
 	return err;
 }
 
@@ -1468,44 +1060,6 @@ int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 
 
 /**
- *  @brief Prepare a scan command to be sent to the firmware
- *
- *  Called via lbs_prepare_and_send_command(priv, CMD_802_11_SCAN, ...)
- *  from cmd.c
- *
- *  Sends a fixed length data part (specifying the BSS type and BSSID filters)
- *  as well as a variable number/length of TLVs to the firmware.
- *
- *  @param priv       A pointer to struct lbs_private structure
- *  @param cmd        A pointer to cmd_ds_command structure to be sent to
- *                    firmware with the cmd_DS_801_11_SCAN structure
- *  @param pdata_buf  Void pointer cast of a lbs_scan_cmd_config struct used
- *                    to set the fields/TLVs for the command sent to firmware
- *
- *  @return           0 or -1
- */
-int lbs_cmd_80211_scan(struct lbs_private *priv,
-	struct cmd_ds_command *cmd, void *pdata_buf)
-{
-	struct cmd_ds_802_11_scan *pscan = &cmd->params.scan;
-	struct lbs_scan_cmd_config *pscancfg = pdata_buf;
-
-	lbs_deb_enter(LBS_DEB_SCAN);
-
-	/* Set fixed field variables in scan command */
-	pscan->bsstype = pscancfg->bsstype;
-	memcpy(pscan->bssid, pscancfg->bssid, ETH_ALEN);
-	memcpy(pscan->tlvbuffer, pscancfg->tlvbuffer, pscancfg->tlvbufferlen);
-
-	/* size is equal to the sizeof(fixed portions) + the TLV len + header */
-	cmd->size = cpu_to_le16(sizeof(pscan->bsstype) + ETH_ALEN
-				+ pscancfg->tlvbufferlen + S_DS_GEN);
-
-	lbs_deb_leave(LBS_DEB_SCAN);
-	return 0;
-}
-
-/**
  *  @brief This function handles the command response of scan
  *
  *  Called from handle_cmd_response() in cmdrespc.
@@ -1531,13 +1085,14 @@ int lbs_cmd_80211_scan(struct lbs_private *priv,
  *
  *  @return        0 or -1
  */
-int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp)
+static int lbs_ret_80211_scan(struct lbs_private *priv, unsigned long dummy,
+			      struct cmd_header *resp)
 {
-	struct cmd_ds_802_11_scan_rsp *pscan;
-	struct bss_descriptor * iter_bss;
-	struct bss_descriptor * safe;
-	u8 *pbssinfo;
-	u16 scanrespsize;
+	struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
+	struct bss_descriptor *iter_bss;
+	struct bss_descriptor *safe;
+	uint8_t *bssinfo;
+	uint16_t scanrespsize;
 	int bytesleft;
 	int idx;
 	int tlvbufsize;
@@ -1554,48 +1109,45 @@ int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp)
 		clear_bss_descriptor(iter_bss);
 	}
 
-	pscan = &resp->params.scanresp;
-
-	if (pscan->nr_sets > MAX_NETWORK_COUNT) {
-		lbs_deb_scan(
-		       "SCAN_RESP: too many scan results (%d, max %d)!!\n",
-		       pscan->nr_sets, MAX_NETWORK_COUNT);
+	if (scanresp->nr_sets > MAX_NETWORK_COUNT) {
+		lbs_deb_scan("SCAN_RESP: too many scan results (%d, max %d)\n",
+			     scanresp->nr_sets, MAX_NETWORK_COUNT);
 		ret = -1;
 		goto done;
 	}
 
-	bytesleft = le16_to_cpu(pscan->bssdescriptsize);
+	bytesleft = le16_to_cpu(scanresp->bssdescriptsize);
 	lbs_deb_scan("SCAN_RESP: bssdescriptsize %d\n", bytesleft);
 
 	scanrespsize = le16_to_cpu(resp->size);
-	lbs_deb_scan("SCAN_RESP: scan results %d\n", pscan->nr_sets);
+	lbs_deb_scan("SCAN_RESP: scan results %d\n", scanresp->nr_sets);
 
-	pbssinfo = pscan->bssdesc_and_tlvbuffer;
+	bssinfo = scanresp->bssdesc_and_tlvbuffer;
 
 	/* The size of the TLV buffer is equal to the entire command response
 	 *   size (scanrespsize) minus the fixed fields (sizeof()'s), the
 	 *   BSS Descriptions (bssdescriptsize as bytesLef) and the command
 	 *   response header (S_DS_GEN)
 	 */
-	tlvbufsize = scanrespsize - (bytesleft + sizeof(pscan->bssdescriptsize)
-				     + sizeof(pscan->nr_sets)
+	tlvbufsize = scanrespsize - (bytesleft + sizeof(scanresp->bssdescriptsize)
+				     + sizeof(scanresp->nr_sets)
 				     + S_DS_GEN);
 
 	/*
-	 *  Process each scan response returned (pscan->nr_sets).  Save
+	 *  Process each scan response returned (scanresp->nr_sets). Save
 	 *    the information in the newbssentry and then insert into the
 	 *    driver scan table either as an update to an existing entry
 	 *    or as an addition at the end of the table
 	 */
-	for (idx = 0; idx < pscan->nr_sets && bytesleft; idx++) {
+	for (idx = 0; idx < scanresp->nr_sets && bytesleft; idx++) {
 		struct bss_descriptor new;
-		struct bss_descriptor * found = NULL;
-		struct bss_descriptor * oldest = NULL;
+		struct bss_descriptor *found = NULL;
+		struct bss_descriptor *oldest = NULL;
 		DECLARE_MAC_BUF(mac);
 
 		/* Process the data fields and IEs returned for this BSS */
 		memset(&new, 0, sizeof (struct bss_descriptor));
-		if (lbs_process_bss(&new, &pbssinfo, &bytesleft) != 0) {
+		if (lbs_process_bss(&new, &bssinfo, &bytesleft) != 0) {
 			/* error parsing the scan response, skipped */
 			lbs_deb_scan("SCAN_RESP: process_bss returned ERROR\n");
 			continue;
@@ -1630,8 +1182,7 @@ int lbs_ret_80211_scan(struct lbs_private *priv, struct cmd_ds_command *resp)
 			continue;
 		}
 
-		lbs_deb_scan("SCAN_RESP: BSSID %s\n",
-			     print_mac(mac, new.bssid));
+		lbs_deb_scan("SCAN_RESP: BSSID %s\n", print_mac(mac, new.bssid));
 
 		/* Copy the locally created newbssentry to the scan table */
 		memcpy(found, &new, offsetof(struct bss_descriptor, list));
diff --git a/drivers/net/wireless/libertas/scan.h b/drivers/net/wireless/libertas/scan.h
index 319f70d..9e07b04 100644
--- a/drivers/net/wireless/libertas/scan.h
+++ b/drivers/net/wireless/libertas/scan.h
@@ -7,198 +7,22 @@
 #ifndef _LBS_SCAN_H
 #define _LBS_SCAN_H
 
-#include <net/ieee80211.h>
-#include "hostcmd.h"
-
 /**
  *  @brief Maximum number of channels that can be sent in a setuserscan ioctl
- *
- *  @sa lbs_ioctl_user_scan_cfg
  */
 #define LBS_IOCTL_USER_SCAN_CHAN_MAX  50
 
-//! Infrastructure BSS scan type in lbs_scan_cmd_config
-#define LBS_SCAN_BSS_TYPE_BSS         1
-
-//! Adhoc BSS scan type in lbs_scan_cmd_config
-#define LBS_SCAN_BSS_TYPE_IBSS        2
-
-//! Adhoc or Infrastructure BSS scan type in lbs_scan_cmd_config, no filter
-#define LBS_SCAN_BSS_TYPE_ANY         3
-
-/**
- * @brief Structure used internally in the wlan driver to configure a scan.
- *
- * Sent to the command processing module to configure the firmware
- *   scan command prepared by lbs_cmd_80211_scan.
- *
- * @sa lbs_scan_networks
- *
- */
-struct lbs_scan_cmd_config {
-    /**
-     *  @brief BSS type to be sent in the firmware command
-     *
-     *  Field can be used to restrict the types of networks returned in the
-     *    scan.  valid settings are:
-     *
-     *   - LBS_SCAN_BSS_TYPE_BSS  (infrastructure)
-     *   - LBS_SCAN_BSS_TYPE_IBSS (adhoc)
-     *   - LBS_SCAN_BSS_TYPE_ANY  (unrestricted, adhoc and infrastructure)
-     */
-	u8 bsstype;
-
-    /**
-     *  @brief Specific BSSID used to filter scan results in the firmware
-     */
-	u8 bssid[ETH_ALEN];
-
-    /**
-     *  @brief length of TLVs sent in command starting at tlvBuffer
-     */
-	int tlvbufferlen;
-
-    /**
-     *  @brief SSID TLV(s) and ChanList TLVs to be sent in the firmware command
-     *
-     *  @sa TLV_TYPE_CHANLIST, mrvlietypes_chanlistparamset_t
-     *  @sa TLV_TYPE_SSID, mrvlietypes_ssidparamset_t
-     */
-	u8 tlvbuffer[1];	//!< SSID TLV(s) and ChanList TLVs are stored here
-};
-
-/**
- *  @brief IOCTL channel sub-structure sent in lbs_ioctl_user_scan_cfg
- *
- *  Multiple instances of this structure are included in the IOCTL command
- *   to configure a instance of a scan on the specific channel.
- */
-struct lbs_ioctl_user_scan_chan {
-	u8 channumber;		//!< channel Number to scan
-	u8 radiotype;		//!< Radio type: 'B/G' band = 0, 'A' band = 1
-	u8 scantype;		//!< Scan type: Active = 0, Passive = 1
-	u16 scantime;		//!< Scan duration in milliseconds; if 0 default used
-};
-
-/**
- *  @brief IOCTL input structure to configure an immediate scan cmd to firmware
- *
- *  Used in the setuserscan (LBS_SET_USER_SCAN) private ioctl.  Specifies
- *   a number of parameters to be used in general for the scan as well
- *   as a channel list (lbs_ioctl_user_scan_chan) for each scan period
- *   desired.
- *
- *  @sa lbs_set_user_scan_ioctl
- */
-struct lbs_ioctl_user_scan_cfg {
-    /**
-     *  @brief BSS type to be sent in the firmware command
-     *
-     *  Field can be used to restrict the types of networks returned in the
-     *    scan.  valid settings are:
-     *
-     *   - LBS_SCAN_BSS_TYPE_BSS  (infrastructure)
-     *   - LBS_SCAN_BSS_TYPE_IBSS (adhoc)
-     *   - LBS_SCAN_BSS_TYPE_ANY  (unrestricted, adhoc and infrastructure)
-     */
-	u8 bsstype;
-
-	/**
-	 *  @brief BSSID filter sent in the firmware command to limit the results
-	 */
-	u8 bssid[ETH_ALEN];
-
-	/* Clear existing scan results matching this BSSID */
-	u8 clear_bssid;
-
-	/**
-	 *  @brief SSID filter sent in the firmware command to limit the results
-	 */
-	char ssid[IW_ESSID_MAX_SIZE];
-	u8 ssid_len;
-
-	/* Clear existing scan results matching this SSID */
-	u8 clear_ssid;
-};
-
-/**
- *  @brief Structure used to store information for each beacon/probe response
- */
-struct bss_descriptor {
-	u8 bssid[ETH_ALEN];
-
-	u8 ssid[IW_ESSID_MAX_SIZE + 1];
-	u8 ssid_len;
-
-	u16 capability;
-
-	/* receive signal strength in dBm */
-	long rssi;
-
-	u32 channel;
-
-	u16 beaconperiod;
-
-	u32 atimwindow;
-
-	/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
-	u8 mode;
-
-	/* zero-terminated array of supported data rates */
-	u8 rates[MAX_RATES + 1];
-
-	unsigned long last_scanned;
-
-	union ieeetypes_phyparamset phyparamset;
-	union IEEEtypes_ssparamset ssparamset;
-
-	struct ieeetypes_countryinfofullset countryinfo;
-
-	u8 wpa_ie[MAX_WPA_IE_LEN];
-	size_t wpa_ie_len;
-	u8 rsn_ie[MAX_WPA_IE_LEN];
-	size_t rsn_ie_len;
-
-	u8 mesh;
-
-	struct list_head list;
-};
-
 int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
 
-struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
-		u8 *ssid, u8 ssid_len, u8 *bssid, u8 mode,
-		int channel);
-
-struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
-	u8 *bssid, u8 mode);
-
-int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid,
-			u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
-
 int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
-				u8 ssid_len, u8 clear_ssid);
+				u8 ssid_len);
 
-int lbs_cmd_80211_scan(struct lbs_private *priv,
-				struct cmd_ds_command *cmd,
-				void *pdata_buf);
-
-int lbs_ret_80211_scan(struct lbs_private *priv,
-				struct cmd_ds_command *resp);
-
-int lbs_scan_networks(struct lbs_private *priv,
-	const struct lbs_ioctl_user_scan_cfg *puserscanin,
-                int full_scan);
-
-struct ifreq;
-
-struct iw_point;
-struct iw_param;
-struct iw_request_info;
 int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
 			 struct iw_point *dwrq, char *extra);
 int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
-			 struct iw_param *vwrq, char *extra);
+			 union iwreq_data *wrqu, char *extra);
+
+int lbs_scan_networks(struct lbs_private *priv, int full_scan);
 
 void lbs_scan_worker(struct work_struct *work);
 
diff --git a/drivers/net/wireless/libertas/tx.c b/drivers/net/wireless/libertas/tx.c
index 00d95f7..a4972fe 100644
--- a/drivers/net/wireless/libertas/tx.c
+++ b/drivers/net/wireless/libertas/tx.c
@@ -151,7 +151,7 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	dev->trans_start = jiffies;
 
-	if (priv->monitormode != LBS_MONITOR_OFF) {
+	if (priv->monitormode) {
 		/* Keep the skb to echo it back once Tx feedback is
 		   received from FW */
 		skb_orphan(skb);
@@ -179,32 +179,17 @@ int lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
  *
  *  @returns void
  */
-void lbs_send_tx_feedback(struct lbs_private *priv)
+void lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count)
 {
 	struct tx_radiotap_hdr *radiotap_hdr;
-	u32 status = priv->eventcause;
-	int txfail;
-	int try_count;
 
-	if (priv->monitormode == LBS_MONITOR_OFF ||
-	    priv->currenttxskb == NULL)
+	if (!priv->monitormode || priv->currenttxskb == NULL)
 		return;
 
 	radiotap_hdr = (struct tx_radiotap_hdr *)priv->currenttxskb->data;
 
-	txfail = (status >> 24);
-
-#if 0
-	/* The version of roofnet that we've tested does not use this yet
-	 * But it may be used in the future.
-	 */
-	if (txfail)
-		radiotap_hdr->flags &= IEEE80211_RADIOTAP_F_TX_FAIL;
-#endif
-	try_count = (status >> 16) & 0xff;
-	radiotap_hdr->data_retries = (try_count) ?
-	    (1 + priv->txretrycount - try_count) : 0;
-
+	radiotap_hdr->data_retries = try_count ?
+		(1 + priv->txretrycount - try_count) : 0;
 
 	priv->currenttxskb->protocol = eth_type_trans(priv->currenttxskb,
 						      priv->rtap_net_dev);
diff --git a/drivers/net/wireless/libertas/types.h b/drivers/net/wireless/libertas/types.h
index f0d5795..4031be4 100644
--- a/drivers/net/wireless/libertas/types.h
+++ b/drivers/net/wireless/libertas/types.h
@@ -239,4 +239,17 @@ struct mrvlietypes_ledgpio {
 	struct led_pin ledpin[1];
 } __attribute__ ((packed));
 
+struct led_bhv {
+	uint8_t	firmwarestate;
+	uint8_t	led;
+	uint8_t	ledstate;
+	uint8_t	ledarg;
+} __attribute__ ((packed));
+
+
+struct mrvlietypes_ledbhv {
+	struct mrvlietypesheader header;
+	struct led_bhv ledbhv[1];
+} __attribute__ ((packed));
+
 #endif
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index e8bfc26..0973d01 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -16,8 +16,8 @@
 #include "decl.h"
 #include "defs.h"
 #include "dev.h"
-#include "join.h"
 #include "wext.h"
+#include "scan.h"
 #include "assoc.h"
 #include "cmd.h"
 
@@ -579,6 +579,9 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 	       range->num_bitrates);
 
 	range->num_frequency = 0;
+
+	range->scan_capa = IW_SCAN_CAPA_ESSID;
+
 	if (priv->enable11d &&
 	    (priv->connect_status == LBS_CONNECTED ||
 	    priv->mesh_connect_status == LBS_CONNECTED)) {
@@ -602,7 +605,7 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 			lbs_deb_wext("chan_no %d\n", chan_no);
 			range->freq[range->num_frequency].i = (long)chan_no;
 			range->freq[range->num_frequency].m =
-			    (long)lbs_chan_2_freq(chan_no, band) * 100000;
+			    (long)lbs_chan_2_freq(chan_no) * 100000;
 			range->freq[range->num_frequency].e = 1;
 			range->num_frequency++;
 		}
@@ -653,13 +656,10 @@ static int lbs_get_range(struct net_device *dev, struct iw_request_info *info,
 	range->num_encoding_sizes = 2;
 	range->max_encoding_tokens = 4;
 
-	range->min_pmp = 1000000;
-	range->max_pmp = 120000000;
-	range->min_pmt = 1000;
-	range->max_pmt = 1000000;
-	range->pmp_flags = IW_POWER_PERIOD;
-	range->pmt_flags = IW_POWER_TIMEOUT;
-	range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
+	/*
+	 * Right now we support only "iwconfig ethX power on|off"
+	 */
+	range->pm_capa = IW_POWER_ON;
 
 	/*
 	 * Minimum version we recommend
@@ -781,21 +781,14 @@ static int lbs_get_power(struct net_device *dev, struct iw_request_info *info,
 			  struct iw_param *vwrq, char *extra)
 {
 	struct lbs_private *priv = dev->priv;
-	int mode;
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
-	mode = priv->psmode;
-
-	if ((vwrq->disabled = (mode == LBS802_11POWERMODECAM))
-	    || priv->connect_status == LBS_DISCONNECTED)
-	{
-		goto out;
-	}
-
 	vwrq->value = 0;
+	vwrq->flags = 0;
+	vwrq->disabled = priv->psmode == LBS802_11POWERMODECAM
+		|| priv->connect_status == LBS_DISCONNECTED;
 
-out:
 	lbs_deb_leave(LBS_DEB_WEXT);
 	return 0;
 }
@@ -817,6 +810,7 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 	int stats_valid = 0;
 	u8 rssi;
 	u32 tx_retries;
+	struct cmd_ds_802_11_get_log log;
 
 	lbs_deb_enter(LBS_DEB_WEXT);
 
@@ -860,7 +854,11 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 	/* Quality by TX errors */
 	priv->wstats.discard.retries = priv->stats.tx_errors;
 
-	tx_retries = le32_to_cpu(priv->logmsg.retry);
+	memset(&log, 0, sizeof(log));
+	log.hdr.size = cpu_to_le16(sizeof(log));
+	lbs_cmd_with_response(priv, CMD_802_11_GET_LOG, &log);
+
+	tx_retries = le32_to_cpu(log.retry);
 
 	if (tx_retries > 75)
 		tx_qual = (90 - tx_retries) * POOR / 15;
@@ -876,10 +874,9 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 		    (PERFECT - VERY_GOOD) / 50 + VERY_GOOD;
 	quality = min(quality, tx_qual);
 
-	priv->wstats.discard.code = le32_to_cpu(priv->logmsg.wepundecryptable);
-	priv->wstats.discard.fragment = le32_to_cpu(priv->logmsg.rxfrag);
+	priv->wstats.discard.code = le32_to_cpu(log.wepundecryptable);
 	priv->wstats.discard.retries = tx_retries;
-	priv->wstats.discard.misc = le32_to_cpu(priv->logmsg.ackfailure);
+	priv->wstats.discard.misc = le32_to_cpu(log.ackfailure);
 
 	/* Calculate quality */
 	priv->wstats.qual.qual = min_t(u8, quality, 100);
@@ -889,8 +886,6 @@ static struct iw_statistics *lbs_get_wireless_stats(struct net_device *dev)
 	/* update stats asynchronously for future calls */
 	lbs_prepare_and_send_command(priv, CMD_802_11_RSSI, 0,
 					0, 0, NULL);
-	lbs_prepare_and_send_command(priv, CMD_802_11_GET_LOG, 0,
-					0, 0, NULL);
 out:
 	if (!stats_valid) {
 		priv->wstats.miss.beacon = 0;
@@ -2065,23 +2060,6 @@ static int lbs_set_wap(struct net_device *dev, struct iw_request_info *info,
 	return ret;
 }
 
-void lbs_get_fwversion(struct lbs_private *priv, char *fwversion, int maxlen)
-{
-	char fwver[32];
-
-	mutex_lock(&priv->lock);
-
-	sprintf(fwver, "%u.%u.%u.p%u",
-		priv->fwrelease >> 24 & 0xff,
-		priv->fwrelease >> 16 & 0xff,
-		priv->fwrelease >>  8 & 0xff,
-		priv->fwrelease       & 0xff);
-
-	mutex_unlock(&priv->lock);
-	snprintf(fwversion, maxlen, fwver);
-}
-
-
 /*
  * iwconfig settable callbacks
  */
diff --git a/drivers/net/wireless/libertas/wext.h b/drivers/net/wireless/libertas/wext.h
index a563d9a2..4c08db4 100644
--- a/drivers/net/wireless/libertas/wext.h
+++ b/drivers/net/wireless/libertas/wext.h
@@ -4,19 +4,6 @@
 #ifndef	_LBS_WEXT_H_
 #define	_LBS_WEXT_H_
 
-/** lbs_ioctl_regrdwr */
-struct lbs_ioctl_regrdwr {
-	/** Which register to access */
-	u16 whichreg;
-	/** Read or Write */
-	u16 action;
-	u32 offset;
-	u16 NOB;
-	u32 value;
-};
-
-#define LBS_MONITOR_OFF			0
-
 extern struct iw_handler_def lbs_handler_def;
 extern struct iw_handler_def mesh_handler_def;