diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index fc16108..61766ed 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -246,50 +246,50 @@
 /*
  * Configuration handlers.
  */
-static void rt2400pci_config_mac_addr(struct rt2x00_dev *rt2x00dev,
-				      __le32 *mac)
+static void rt2400pci_config_intf(struct rt2x00_dev *rt2x00dev,
+				  struct rt2x00_intf *intf,
+				  struct rt2x00intf_conf *conf,
+				  const unsigned int flags)
 {
-	rt2x00pci_register_multiwrite(rt2x00dev, CSR3, mac,
-				      (2 * sizeof(__le32)));
-}
-
-static void rt2400pci_config_bssid(struct rt2x00_dev *rt2x00dev,
-				   __le32 *bssid)
-{
-	rt2x00pci_register_multiwrite(rt2x00dev, CSR5, bssid,
-				      (2 * sizeof(__le32)));
-}
-
-static void rt2400pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
-				  const int tsf_sync)
-{
+	unsigned int bcn_preload;
 	u32 reg;
 
-	rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+	if (flags & CONFIG_UPDATE_TYPE) {
+		rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 
-	/*
-	 * Enable beacon config
-	 */
-	rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
-	rt2x00_set_field32(&reg, BCNCSR1_PRELOAD,
-			   PREAMBLE + get_duration(IEEE80211_HEADER, 20));
-	rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
+		/*
+		 * Enable beacon config
+		 */
+		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
+		rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
+		rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 
-	/*
-	 * Enable synchronisation.
-	 */
-	rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
-	rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
-	rt2x00_set_field32(&reg, CSR14_TBCN, (tsf_sync == TSF_SYNC_BEACON));
-	rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
-	rt2x00_set_field32(&reg, CSR14_TSF_SYNC, tsf_sync);
-	rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+		rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
+		rt2x00_set_field32(&reg, CSR14_TBCN,
+				   (conf->sync == TSF_SYNC_BEACON));
+		rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+		rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
+		rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+	}
+
+	if (flags & CONFIG_UPDATE_MAC)
+		rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
+					      conf->mac, sizeof(conf->mac));
+
+	if (flags & CONFIG_UPDATE_BSSID)
+		rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
+					      conf->bssid, sizeof(conf->bssid));
 }
 
-static void rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev,
-				      const int short_preamble,
-				      const int ack_timeout,
-				      const int ack_consume_time)
+static int rt2400pci_config_preamble(struct rt2x00_dev *rt2x00dev,
+				     const int short_preamble,
+				     const int ack_timeout,
+				     const int ack_consume_time)
 {
 	int preamble_mask;
 	u32 reg;
@@ -327,6 +327,8 @@
 	rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
 	rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+
+	return 0;
 }
 
 static void rt2400pci_config_phymode(struct rt2x00_dev *rt2x00dev,
@@ -481,8 +483,8 @@
 }
 
 static void rt2400pci_config(struct rt2x00_dev *rt2x00dev,
-			     const unsigned int flags,
-			     struct rt2x00lib_conf *libconf)
+			     struct rt2x00lib_conf *libconf,
+			     const unsigned int flags)
 {
 	if (flags & CONFIG_UPDATE_PHYMODE)
 		rt2400pci_config_phymode(rt2x00dev, libconf->basic_rates);
@@ -1553,9 +1555,7 @@
 	.write_tx_data		= rt2x00pci_write_tx_data,
 	.kick_tx_queue		= rt2400pci_kick_tx_queue,
 	.fill_rxdone		= rt2400pci_fill_rxdone,
-	.config_mac_addr	= rt2400pci_config_mac_addr,
-	.config_bssid		= rt2400pci_config_bssid,
-	.config_type		= rt2400pci_config_type,
+	.config_intf		= rt2400pci_config_intf,
 	.config_preamble	= rt2400pci_config_preamble,
 	.config			= rt2400pci_config,
 };
@@ -1590,6 +1590,8 @@
 
 static const struct rt2x00_ops rt2400pci_ops = {
 	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 1,
 	.eeprom_size	= EEPROM_SIZE,
 	.rf_size	= RF_SIZE,
 	.rx		= &rt2400pci_queue_rx,
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index 0a54b65..6a558bf 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -246,53 +246,53 @@
 /*
  * Configuration handlers.
  */
-static void rt2500pci_config_mac_addr(struct rt2x00_dev *rt2x00dev,
-				      __le32 *mac)
-{
-	rt2x00pci_register_multiwrite(rt2x00dev, CSR3, mac,
-				      (2 * sizeof(__le32)));
-}
-
-static void rt2500pci_config_bssid(struct rt2x00_dev *rt2x00dev,
-				   __le32 *bssid)
-{
-	rt2x00pci_register_multiwrite(rt2x00dev, CSR5, bssid,
-				      (2 * sizeof(__le32)));
-}
-
-static void rt2500pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
-				  const int tsf_sync)
+static void rt2500pci_config_intf(struct rt2x00_dev *rt2x00dev,
+				  struct rt2x00_intf *intf,
+				  struct rt2x00intf_conf *conf,
+				  const unsigned int flags)
 {
 	struct data_queue *queue =
 	    rt2x00queue_get_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+	unsigned int bcn_preload;
 	u32 reg;
 
-	rt2x00pci_register_write(rt2x00dev, CSR14, 0);
+	if (flags & CONFIG_UPDATE_TYPE) {
+		rt2x00pci_register_write(rt2x00dev, CSR14, 0);
 
-	/*
-	 * Enable beacon config
-	 */
-	rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
-	rt2x00_set_field32(&reg, BCNCSR1_PRELOAD,
-			   PREAMBLE + get_duration(IEEE80211_HEADER, 20));
-	rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
-	rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
+		/*
+		 * Enable beacon config
+		 */
+		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		rt2x00pci_register_read(rt2x00dev, BCNCSR1, &reg);
+		rt2x00_set_field32(&reg, BCNCSR1_PRELOAD, bcn_preload);
+		rt2x00_set_field32(&reg, BCNCSR1_BEACON_CWMIN, queue->cw_min);
+		rt2x00pci_register_write(rt2x00dev, BCNCSR1, reg);
 
-	/*
-	 * Enable synchronisation.
-	 */
-	rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
-	rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
-	rt2x00_set_field32(&reg, CSR14_TBCN, (tsf_sync == TSF_SYNC_BEACON));
-	rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
-	rt2x00_set_field32(&reg, CSR14_TSF_SYNC, tsf_sync);
-	rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+		rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 1);
+		rt2x00_set_field32(&reg, CSR14_TBCN,
+				   (conf->sync == TSF_SYNC_BEACON));
+		rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+		rt2x00_set_field32(&reg, CSR14_TSF_SYNC, conf->sync);
+		rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+	}
+
+	if (flags & CONFIG_UPDATE_MAC)
+		rt2x00pci_register_multiwrite(rt2x00dev, CSR3,
+					      conf->mac, sizeof(conf->mac));
+
+	if (flags & CONFIG_UPDATE_BSSID)
+		rt2x00pci_register_multiwrite(rt2x00dev, CSR5,
+					      conf->bssid, sizeof(conf->bssid));
 }
 
-static void rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
-				      const int short_preamble,
-				      const int ack_timeout,
-				      const int ack_consume_time)
+static int rt2500pci_config_preamble(struct rt2x00_dev *rt2x00dev,
+				     const int short_preamble,
+				     const int ack_timeout,
+				     const int ack_consume_time)
 {
 	int preamble_mask;
 	u32 reg;
@@ -330,6 +330,8 @@
 	rt2x00_set_field32(&reg, ARCSR5_SERVICE, 0x84);
 	rt2x00_set_field32(&reg, ARCSR2_LENGTH, get_duration(ACK_SIZE, 110));
 	rt2x00pci_register_write(rt2x00dev, ARCSR5, reg);
+
+	return 0;
 }
 
 static void rt2500pci_config_phymode(struct rt2x00_dev *rt2x00dev,
@@ -529,8 +531,8 @@
 }
 
 static void rt2500pci_config(struct rt2x00_dev *rt2x00dev,
-			     const unsigned int flags,
-			     struct rt2x00lib_conf *libconf)
+			     struct rt2x00lib_conf *libconf,
+			     const unsigned int flags)
 {
 	if (flags & CONFIG_UPDATE_PHYMODE)
 		rt2500pci_config_phymode(rt2x00dev, libconf->basic_rates);
@@ -609,9 +611,10 @@
 	/*
 	 * To prevent collisions with MAC ASIC on chipsets
 	 * up to version C the link tuning should halt after 20
-	 * seconds.
+	 * seconds while being associated.
 	 */
 	if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D &&
+	    rt2x00dev->intf_associated &&
 	    rt2x00dev->link.count > 20)
 		return;
 
@@ -619,9 +622,12 @@
 
 	/*
 	 * Chipset versions C and lower should directly continue
-	 * to the dynamic CCA tuning.
+	 * to the dynamic CCA tuning. Chipset version D and higher
+	 * should go straight to dynamic CCA tuning when they
+	 * are not associated.
 	 */
-	if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D)
+	if (rt2x00_rev(&rt2x00dev->chip) < RT2560_VERSION_D ||
+	    !rt2x00dev->intf_associated)
 		goto dynamic_cca_tune;
 
 	/*
@@ -1861,9 +1867,7 @@
 	.write_tx_data		= rt2x00pci_write_tx_data,
 	.kick_tx_queue		= rt2500pci_kick_tx_queue,
 	.fill_rxdone		= rt2500pci_fill_rxdone,
-	.config_mac_addr	= rt2500pci_config_mac_addr,
-	.config_bssid		= rt2500pci_config_bssid,
-	.config_type		= rt2500pci_config_type,
+	.config_intf		= rt2500pci_config_intf,
 	.config_preamble	= rt2500pci_config_preamble,
 	.config			= rt2500pci_config,
 };
@@ -1898,6 +1902,8 @@
 
 static const struct rt2x00_ops rt2500pci_ops = {
 	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 1,
 	.eeprom_size	= EEPROM_SIZE,
 	.rf_size	= RF_SIZE,
 	.rx		= &rt2500pci_queue_rx,
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index edc16a5..31258ee 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -285,71 +285,66 @@
 /*
  * Configuration handlers.
  */
-static void rt2500usb_config_mac_addr(struct rt2x00_dev *rt2x00dev,
-				      __le32 *mac)
+static void rt2500usb_config_intf(struct rt2x00_dev *rt2x00dev,
+				  struct rt2x00_intf *intf,
+				  struct rt2x00intf_conf *conf,
+				  const unsigned int flags)
 {
-	rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
-				      (3 * sizeof(__le16)));
-}
-
-static void rt2500usb_config_bssid(struct rt2x00_dev *rt2x00dev,
-				   __le32 *bssid)
-{
-	rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, bssid,
-				      (3 * sizeof(__le16)));
-}
-
-static void rt2500usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
-				  const int tsf_sync)
-{
+	unsigned int bcn_preload;
 	u16 reg;
 
-	rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
+	if (flags & CONFIG_UPDATE_TYPE) {
+		rt2500usb_register_write(rt2x00dev, TXRX_CSR19, 0);
 
-	/*
-	 * Enable beacon config
-	 */
-	rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
-	rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET,
-			   (PREAMBLE + get_duration(IEEE80211_HEADER, 20)) >> 6);
-	if (type == IEEE80211_IF_TYPE_STA)
-		rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW, 0);
-	else
-		rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW, 2);
-	rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
+		/*
+		 * Enable beacon config
+		 */
+		bcn_preload = PREAMBLE + get_duration(IEEE80211_HEADER, 20);
+		rt2500usb_register_read(rt2x00dev, TXRX_CSR20, &reg);
+		rt2x00_set_field16(&reg, TXRX_CSR20_OFFSET, bcn_preload >> 6);
+		rt2x00_set_field16(&reg, TXRX_CSR20_BCN_EXPECT_WINDOW,
+				   2 * (conf->type != IEEE80211_IF_TYPE_STA));
+		rt2500usb_register_write(rt2x00dev, TXRX_CSR20, reg);
 
-	/*
-	 * Enable synchronisation.
-	 */
-	rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
-	rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
-	rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2500usb_register_read(rt2x00dev, TXRX_CSR18, &reg);
+		rt2x00_set_field16(&reg, TXRX_CSR18_OFFSET, 0);
+		rt2500usb_register_write(rt2x00dev, TXRX_CSR18, reg);
 
-	rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
-	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
-	rt2x00_set_field16(&reg, TXRX_CSR19_TBCN,
-			   (tsf_sync == TSF_SYNC_BEACON));
-	rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
-	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, tsf_sync);
-	rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
-}
-
-static void rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
-				      const int short_preamble,
-				      const int ack_timeout,
-				      const int ack_consume_time)
-{
-	u16 reg;
-
-	/*
-	 * When in atomic context, reschedule and let rt2x00lib
-	 * call this function again.
-	 */
-	if (in_atomic()) {
-		queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
-		return;
+		rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+		rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 1);
+		rt2x00_set_field16(&reg, TXRX_CSR19_TBCN,
+				   (conf->sync == TSF_SYNC_BEACON));
+		rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+		rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, conf->sync);
+		rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
 	}
 
+	if (flags & CONFIG_UPDATE_MAC)
+		rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR2, conf->mac,
+					      (3 * sizeof(__le16)));
+
+	if (flags & CONFIG_UPDATE_BSSID)
+		rt2500usb_register_multiwrite(rt2x00dev, MAC_CSR5, conf->bssid,
+					      (3 * sizeof(__le16)));
+}
+
+static int rt2500usb_config_preamble(struct rt2x00_dev *rt2x00dev,
+				     const int short_preamble,
+				     const int ack_timeout,
+				     const int ack_consume_time)
+{
+	u16 reg;
+
+	/*
+	 * When in atomic context, we should let rt2x00lib
+	 * try this configuration again later.
+	 */
+	if (in_atomic())
+		return -EAGAIN;
+
 	rt2500usb_register_read(rt2x00dev, TXRX_CSR1, &reg);
 	rt2x00_set_field16(&reg, TXRX_CSR1_ACK_TIMEOUT, ack_timeout);
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
@@ -358,6 +353,8 @@
 	rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
 			   !!short_preamble);
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
+
+	return 0;
 }
 
 static void rt2500usb_config_phymode(struct rt2x00_dev *rt2x00dev,
@@ -518,8 +515,8 @@
 }
 
 static void rt2500usb_config(struct rt2x00_dev *rt2x00dev,
-			     const unsigned int flags,
-			     struct rt2x00lib_conf *libconf)
+			     struct rt2x00lib_conf *libconf,
+			     const unsigned int flags)
 {
 	if (flags & CONFIG_UPDATE_PHYMODE)
 		rt2500usb_config_phymode(rt2x00dev, libconf->phymode,
@@ -626,6 +623,24 @@
 	u8 low_bound;
 
 	/*
+	 * Read current r17 value, as well as the sensitivity values
+	 * for the r17 register.
+	 */
+	rt2500usb_bbp_read(rt2x00dev, 17, &r17);
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
+
+	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
+	up_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
+	low_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCLOWER);
+
+	/*
+	 * If we are not associated, we should go straight to the
+	 * dynamic CCA tuning.
+	 */
+	if (!rt2x00dev->intf_associated)
+		goto dynamic_cca_tune;
+
+	/*
 	 * Determine the BBP tuning threshold and correctly
 	 * set BBP 24, 25 and 61.
 	 */
@@ -651,13 +666,6 @@
 	rt2500usb_bbp_write(rt2x00dev, 61, r61);
 
 	/*
-	 * Read current r17 value, as well as the sensitivity values
-	 * for the r17 register.
-	 */
-	rt2500usb_bbp_read(rt2x00dev, 17, &r17);
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R17, &r17_sens);
-
-	/*
 	 * A too low RSSI will cause too much false CCA which will
 	 * then corrupt the R17 tuning. To remidy this the tuning should
 	 * be stopped (While making sure the R17 value will not exceed limits)
@@ -692,14 +700,9 @@
 	 * Leave short or middle distance condition, restore r17
 	 * to the dynamic tuning range.
 	 */
-	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &vgc_bound);
-	vgc_bound = rt2x00_get_field16(vgc_bound, EEPROM_BBPTUNE_VGCUPPER);
-
 	low_bound = 0x32;
-	if (rssi >= -77)
-		up_bound = vgc_bound;
-	else
-		up_bound = vgc_bound - (-77 - rssi);
+	if (rssi < -77)
+		up_bound -= (-77 - rssi);
 
 	if (up_bound < low_bound)
 		up_bound = low_bound;
@@ -707,7 +710,16 @@
 	if (r17 > up_bound) {
 		rt2500usb_bbp_write(rt2x00dev, 17, up_bound);
 		rt2x00dev->link.vgc_level = up_bound;
-	} else if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
+		return;
+	}
+
+dynamic_cca_tune:
+
+	/*
+	 * R17 is inside the dynamic tuning range,
+	 * start tuning the link based on the false cca counter.
+	 */
+	if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
 		rt2500usb_bbp_write(rt2x00dev, 17, ++r17);
 		rt2x00dev->link.vgc_level = r17;
 	} else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
@@ -1203,6 +1215,7 @@
 {
 	u16 word;
 	u8 *mac;
+	u8 bbp;
 
 	rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom, EEPROM_SIZE);
 
@@ -1257,9 +1270,17 @@
 		EEPROM(rt2x00dev, "BBPtune: 0x%04x\n", word);
 	}
 
+	/*
+	 * Switch lower vgc bound to current BBP R17 value,
+	 * lower the value a bit for better quality.
+	 */
+	rt2500usb_bbp_read(rt2x00dev, 17, &bbp);
+	bbp -= 6;
+
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_VGC, &word);
 	if (word == 0xffff) {
 		rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCUPPER, 0x40);
+		rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
 		rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
 		EEPROM(rt2x00dev, "BBPtune vgc: 0x%04x\n", word);
 	}
@@ -1270,6 +1291,9 @@
 		rt2x00_set_field16(&word, EEPROM_BBPTUNE_R17_HIGH, 0x41);
 		rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_R17, word);
 		EEPROM(rt2x00dev, "BBPtune r17: 0x%04x\n", word);
+	} else {
+		rt2x00_set_field16(&word, EEPROM_BBPTUNE_VGCLOWER, bbp);
+		rt2x00_eeprom_write(rt2x00dev, EEPROM_BBPTUNE_VGC, word);
 	}
 
 	rt2x00_eeprom_read(rt2x00dev, EEPROM_BBPTUNE_R24, &word);
@@ -1705,40 +1729,40 @@
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 	struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
+	struct rt2x00_intf *intf = vif_to_intf(control->vif);
 	struct queue_entry_priv_usb_bcn *priv_bcn;
 	struct skb_frame_desc *skbdesc;
-	struct data_queue *queue;
-	struct queue_entry *entry;
 	int pipe = usb_sndbulkpipe(usb_dev, 1);
 	int length;
 
-	/*
-	 * Just in case the ieee80211 doesn't set this,
-	 * but we need this queue set for the descriptor
-	 * initialization.
-	 */
-	control->queue = IEEE80211_TX_QUEUE_BEACON;
-	queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
-	entry = rt2x00queue_get_entry(queue, Q_INDEX);
-	priv_bcn = entry->priv_data;
+	if (unlikely(!intf->beacon))
+		return -ENOBUFS;
+
+	priv_bcn = intf->beacon->priv_data;
 
 	/*
 	 * Add the descriptor in front of the skb.
 	 */
-	skb_push(skb, queue->desc_size);
-	memset(skb->data, 0, queue->desc_size);
+	skb_push(skb, intf->beacon->queue->desc_size);
+	memset(skb->data, 0, intf->beacon->queue->desc_size);
 
 	/*
 	 * Fill in skb descriptor
 	 */
 	skbdesc = get_skb_frame_desc(skb);
 	memset(skbdesc, 0, sizeof(*skbdesc));
-	skbdesc->data = skb->data + queue->desc_size;
-	skbdesc->data_len = queue->data_size;
+	skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+	skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
 	skbdesc->desc = skb->data;
-	skbdesc->desc_len = queue->desc_size;
-	skbdesc->entry = entry;
+	skbdesc->desc_len = intf->beacon->queue->desc_size;
+	skbdesc->entry = intf->beacon;
 
+	/*
+	 * Just in case mac80211 doesn't set this correctly,
+	 * but we need this queue set for the descriptor
+	 * initialization.
+	 */
+	control->queue = IEEE80211_TX_QUEUE_BEACON;
 	rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
 
 	/*
@@ -1749,7 +1773,8 @@
 	length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
 
 	usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
-			  skb->data, length, rt2500usb_beacondone, entry);
+			  skb->data, length, rt2500usb_beacondone,
+			  intf->beacon);
 
 	/*
 	 * Second we need to create the guardian byte.
@@ -1759,7 +1784,7 @@
 	priv_bcn->guardian_data = 0;
 	usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
 			  &priv_bcn->guardian_data, 1, rt2500usb_beacondone,
-			  entry);
+			  intf->beacon);
 
 	/*
 	 * Send out the guardian byte.
@@ -1769,7 +1794,7 @@
 	/*
 	 * Enable beacon generation.
 	 */
-	rt2500usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+	rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
 
 	return 0;
 }
@@ -1805,9 +1830,7 @@
 	.get_tx_data_len	= rt2500usb_get_tx_data_len,
 	.kick_tx_queue		= rt2500usb_kick_tx_queue,
 	.fill_rxdone		= rt2500usb_fill_rxdone,
-	.config_mac_addr	= rt2500usb_config_mac_addr,
-	.config_bssid		= rt2500usb_config_bssid,
-	.config_type		= rt2500usb_config_type,
+	.config_intf		= rt2500usb_config_intf,
 	.config_preamble	= rt2500usb_config_preamble,
 	.config			= rt2500usb_config,
 };
@@ -1842,6 +1865,8 @@
 
 static const struct rt2x00_ops rt2500usb_ops = {
 	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 1,
 	.eeprom_size	= EEPROM_SIZE,
 	.rf_size	= RF_SIZE,
 	.rx		= &rt2500usb_queue_rx,
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
index e9f2cd9..23ba0c1 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -686,6 +686,7 @@
  */
 #define EEPROM_BBPTUNE_VGC		0x0034
 #define EEPROM_BBPTUNE_VGCUPPER		FIELD16(0x00ff)
+#define EEPROM_BBPTUNE_VGCLOWER		FIELD16(0xff00)
 
 /*
  * EEPROM BBP R17 Tuning.
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 6a25195..2363ca4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -343,20 +343,22 @@
 
 /*
  * Interface structure
- * Configuration details about the current interface.
+ * Per interface configuration details, this structure
+ * is allocated as the private data for ieee80211_vif.
  */
-struct interface {
+struct rt2x00_intf {
 	/*
-	 * Interface identification. The value is assigned
-	 * to us by the 80211 stack, and is used to request
-	 * new beacons.
+	 * All fields within the rt2x00_intf structure
+	 * must be protected with a spinlock.
 	 */
-	struct ieee80211_vif *id;
+	spinlock_t lock;
 
 	/*
-	 * Current working type (IEEE80211_IF_TYPE_*).
+	 * BSS configuration. Copied from the structure
+	 * passed to us through the bss_info_changed()
+	 * callback funtion.
 	 */
-	int type;
+	struct ieee80211_bss_conf conf;
 
 	/*
 	 * MAC of the device.
@@ -367,16 +369,25 @@
 	 * BBSID of the AP to associate with.
 	 */
 	u8 bssid[ETH_ALEN];
+
+	/*
+	 * Entry in the beacon queue which belongs to
+	 * this interface. Each interface has its own
+	 * dedicated beacon entry.
+	 */
+	struct queue_entry *beacon;
+
+	/*
+	 * Actions that needed rescheduling.
+	 */
+	unsigned int delayed_flags;
+#define DELAYED_UPDATE_BEACON		0x00000001
+#define DELAYED_CONFIG_PREAMBLE		0x00000002
 };
 
-static inline int is_interface_present(struct interface *intf)
+static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
 {
-	return !!intf->id;
-}
-
-static inline int is_interface_type(struct interface *intf, int type)
-{
-	return intf->type == type;
+	return (struct rt2x00_intf *)vif->drv_priv;
 }
 
 /*
@@ -430,6 +441,37 @@
 };
 
 /*
+ * Configuration structure wrapper around the
+ * rt2x00 interface configuration handler.
+ */
+struct rt2x00intf_conf {
+	/*
+	 * Interface type
+	 */
+	enum ieee80211_if_types type;
+
+	/*
+	 * TSF sync value, this is dependant on the operation type.
+	 */
+	enum tsf_sync sync;
+
+	/*
+	 * The MAC and BSSID addressess are simple array of bytes,
+	 * these arrays are little endian, so when sending the addressess
+	 * to the drivers, copy the it into a endian-signed variable.
+	 *
+	 * Note that all devices (except rt2500usb) have 32 bits
+	 * register word sizes. This means that whatever variable we
+	 * pass _must_ be a multiple of 32 bits. Otherwise the device
+	 * might not accept what we are sending to it.
+	 * This will also make it easier for the driver to write
+	 * the data to the device.
+	 */
+	__le32 mac[2];
+	__le32 bssid[2];
+};
+
+/*
  * rt2x00lib callback functions.
  */
 struct rt2x00lib_ops {
@@ -495,16 +537,21 @@
 	/*
 	 * Configuration handlers.
 	 */
-	void (*config_mac_addr) (struct rt2x00_dev *rt2x00dev, __le32 *mac);
-	void (*config_bssid) (struct rt2x00_dev *rt2x00dev, __le32 *bssid);
-	void (*config_type) (struct rt2x00_dev *rt2x00dev, const int type,
-							   const int tsf_sync);
-	void (*config_preamble) (struct rt2x00_dev *rt2x00dev,
-				 const int short_preamble,
-				 const int ack_timeout,
-				 const int ack_consume_time);
-	void (*config) (struct rt2x00_dev *rt2x00dev, const unsigned int flags,
-			struct rt2x00lib_conf *libconf);
+	void (*config_intf) (struct rt2x00_dev *rt2x00dev,
+			     struct rt2x00_intf *intf,
+			     struct rt2x00intf_conf *conf,
+			     const unsigned int flags);
+#define CONFIG_UPDATE_TYPE		( 1 << 1 )
+#define CONFIG_UPDATE_MAC		( 1 << 2 )
+#define CONFIG_UPDATE_BSSID		( 1 << 3 )
+
+	int (*config_preamble) (struct rt2x00_dev *rt2x00dev,
+				const int short_preamble,
+				const int ack_timeout,
+				const int ack_consume_time);
+	void (*config) (struct rt2x00_dev *rt2x00dev,
+			struct rt2x00lib_conf *libconf,
+			const unsigned int flags);
 #define CONFIG_UPDATE_PHYMODE		( 1 << 1 )
 #define CONFIG_UPDATE_CHANNEL		( 1 << 2 )
 #define CONFIG_UPDATE_TXPOWER		( 1 << 3 )
@@ -519,6 +566,8 @@
  */
 struct rt2x00_ops {
 	const char *name;
+	const unsigned int max_sta_intf;
+	const unsigned int max_ap_intf;
 	const unsigned int eeprom_size;
 	const unsigned int rf_size;
 	const struct data_queue_desc *rx;
@@ -550,6 +599,7 @@
 	/*
 	 * Driver features
 	 */
+	DRIVER_SUPPORT_MIXED_INTERFACES,
 	DRIVER_REQUIRE_FIRMWARE,
 	DRIVER_REQUIRE_FIRMWARE_CRC_ITU_T,
 	DRIVER_REQUIRE_FIRMWARE_CCITT,
@@ -566,7 +616,6 @@
 	CONFIG_EXTERNAL_LNA_BG,
 	CONFIG_DOUBLE_ANTENNA,
 	CONFIG_DISABLE_LINK_TUNING,
-	CONFIG_SHORT_PREAMBLE,
 };
 
 /*
@@ -670,9 +719,14 @@
 	unsigned int packet_filter;
 
 	/*
-	 * Interface configuration.
+	 * Interface details:
+	 *  - Open ap interface count.
+	 *  - Open sta interface count.
+	 *  - Association count.
 	 */
-	struct interface interface;
+	unsigned int intf_ap_count;
+	unsigned int intf_sta_count;
+	unsigned int intf_associated;
 
 	/*
 	 * Link quality
@@ -738,9 +792,8 @@
 	/*
 	 * Scheduled work.
 	 */
-	struct work_struct beacon_work;
+	struct work_struct intf_work;
 	struct work_struct filter_work;
-	struct work_struct config_work;
 
 	/*
 	 * Data queue arrays for RX, TX and Beacon.
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index c247ee7..20231e0 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -29,64 +29,89 @@
 #include "rt2x00.h"
 #include "rt2x00lib.h"
 
-
-/*
- * The MAC and BSSID addressess are simple array of bytes,
- * these arrays are little endian, so when sending the addressess
- * to the drivers, copy the it into a endian-signed variable.
- *
- * Note that all devices (except rt2500usb) have 32 bits
- * register word sizes. This means that whatever variable we
- * pass _must_ be a multiple of 32 bits. Otherwise the device
- * might not accept what we are sending to it.
- * This will also make it easier for the driver to write
- * the data to the device.
- *
- * Also note that when NULL is passed as address the
- * we will send 00:00:00:00:00 to the device to clear the address.
- * This will prevent the device being confused when it wants
- * to ACK frames or consideres itself associated.
- */
-void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac)
+void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
+			   struct rt2x00_intf *intf,
+			   enum ieee80211_if_types type,
+			   u8 *mac, u8 *bssid)
 {
-	__le32 reg[2];
+	struct rt2x00intf_conf conf;
+	unsigned int flags = 0;
 
-	memset(&reg, 0, sizeof(reg));
-	if (mac)
-		memcpy(&reg, mac, ETH_ALEN);
-
-	rt2x00dev->ops->lib->config_mac_addr(rt2x00dev, &reg[0]);
-}
-
-void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
-{
-	__le32 reg[2];
-
-	memset(&reg, 0, sizeof(reg));
-	if (bssid)
-		memcpy(&reg, bssid, ETH_ALEN);
-
-	rt2x00dev->ops->lib->config_bssid(rt2x00dev, &reg[0]);
-}
-
-void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, const int type)
-{
-	int tsf_sync;
+	conf.type = type;
 
 	switch (type) {
 	case IEEE80211_IF_TYPE_IBSS:
 	case IEEE80211_IF_TYPE_AP:
-		tsf_sync = TSF_SYNC_BEACON;
+		conf.sync = TSF_SYNC_BEACON;
 		break;
 	case IEEE80211_IF_TYPE_STA:
-		tsf_sync = TSF_SYNC_INFRA;
+		conf.sync = TSF_SYNC_INFRA;
 		break;
 	default:
-		tsf_sync = TSF_SYNC_NONE;
+		conf.sync = TSF_SYNC_NONE;
 		break;
 	}
 
-	rt2x00dev->ops->lib->config_type(rt2x00dev, type, tsf_sync);
+	/*
+	 * Note that when NULL is passed as address we will send
+	 * 00:00:00:00:00 to the device to clear the address.
+	 * This will prevent the device being confused when it wants
+	 * to ACK frames or consideres itself associated.
+	 */
+	memset(&conf.mac, 0, sizeof(conf.mac));
+	if (mac)
+		memcpy(&conf.mac, mac, ETH_ALEN);
+
+	memset(&conf.bssid, 0, sizeof(conf.bssid));
+	if (bssid)
+		memcpy(&conf.bssid, bssid, ETH_ALEN);
+
+	flags |= CONFIG_UPDATE_TYPE;
+	if (mac || (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count))
+		flags |= CONFIG_UPDATE_MAC;
+	if (bssid || (!rt2x00dev->intf_ap_count && !rt2x00dev->intf_sta_count))
+		flags |= CONFIG_UPDATE_BSSID;
+
+	rt2x00dev->ops->lib->config_intf(rt2x00dev, intf, &conf, flags);
+}
+
+void rt2x00lib_config_preamble(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00_intf *intf,
+			       const unsigned int short_preamble)
+{
+	int retval;
+	int ack_timeout;
+	int ack_consume_time;
+
+	ack_timeout = PLCP + get_duration(ACK_SIZE, 10);
+	ack_consume_time = SIFS + PLCP + get_duration(ACK_SIZE, 10);
+
+	if (rt2x00dev->hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME)
+		ack_timeout += SHORT_DIFS;
+	else
+		ack_timeout += DIFS;
+
+	if (short_preamble) {
+		ack_timeout += SHORT_PREAMBLE;
+		ack_consume_time += SHORT_PREAMBLE;
+	} else {
+		ack_timeout += PREAMBLE;
+		ack_consume_time += PREAMBLE;
+	}
+
+	retval = rt2x00dev->ops->lib->config_preamble(rt2x00dev,
+						      short_preamble,
+						      ack_timeout,
+						      ack_consume_time);
+
+	spin_lock(&intf->lock);
+
+	if (retval) {
+		intf->delayed_flags |= DELAYED_CONFIG_PREAMBLE;
+		queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work);
+	}
+
+	spin_unlock(&intf->lock);
 }
 
 void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
@@ -113,7 +138,7 @@
 	 * The latter is required since we need to recalibrate the
 	 * noise-sensitivity ratio for the new setup.
 	 */
-	rt2x00dev->ops->lib->config(rt2x00dev, CONFIG_UPDATE_ANTENNA, &libconf);
+	rt2x00dev->ops->lib->config(rt2x00dev, &libconf, CONFIG_UPDATE_ANTENNA);
 	rt2x00lib_reset_link_tuner(rt2x00dev);
 
 	rt2x00dev->link.ant.active.rx = libconf.ant.rx;
@@ -266,7 +291,7 @@
 	/*
 	 * Start configuration.
 	 */
-	rt2x00dev->ops->lib->config(rt2x00dev, flags, &libconf);
+	rt2x00dev->ops->lib->config(rt2x00dev, &libconf, flags);
 
 	/*
 	 * Some configuration changes affect the link quality
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index bc07c56..014c307 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -136,12 +136,10 @@
 	/*
 	 * Stop all scheduled work.
 	 */
-	if (work_pending(&rt2x00dev->beacon_work))
-		cancel_work_sync(&rt2x00dev->beacon_work);
+	if (work_pending(&rt2x00dev->intf_work))
+		cancel_work_sync(&rt2x00dev->intf_work);
 	if (work_pending(&rt2x00dev->filter_work))
 		cancel_work_sync(&rt2x00dev->filter_work);
-	if (work_pending(&rt2x00dev->config_work))
-		cancel_work_sync(&rt2x00dev->config_work);
 
 	/*
 	 * Stop the TX queues.
@@ -173,7 +171,7 @@
 	 * When we are enabling the RX, we should also start the link tuner.
 	 */
 	if (state == STATE_RADIO_RX_ON &&
-	    is_interface_present(&rt2x00dev->interface))
+	    (rt2x00dev->intf_ap_count || rt2x00dev->intf_sta_count))
 		rt2x00lib_start_link_tuner(rt2x00dev);
 }
 
@@ -401,10 +399,10 @@
 	unsigned int filter = rt2x00dev->packet_filter;
 
 	/*
-	 * Since we had stored the filter inside interface.filter,
+	 * Since we had stored the filter inside rt2x00dev->packet_filter,
 	 * we should now clear that field. Otherwise the driver will
 	 * assume nothing has changed (*total_flags will be compared
-	 * to interface.filter to determine if any action is required).
+	 * to rt2x00dev->packet_filter to determine if any action is required).
 	 */
 	rt2x00dev->packet_filter = 0;
 
@@ -412,41 +410,72 @@
 					     filter, &filter, 0, NULL);
 }
 
-static void rt2x00lib_configuration_scheduled(struct work_struct *work)
+static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac,
+					  struct ieee80211_vif *vif)
 {
-	struct rt2x00_dev *rt2x00dev =
-	    container_of(work, struct rt2x00_dev, config_work);
-	struct ieee80211_bss_conf bss_conf;
-
-	bss_conf.use_short_preamble =
-		test_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
+	struct rt2x00_dev *rt2x00dev = data;
+	struct rt2x00_intf *intf = vif_to_intf(vif);
+	struct sk_buff *skb;
+	struct ieee80211_tx_control control;
+	struct ieee80211_bss_conf conf;
+	int delayed_flags;
 
 	/*
-	 * FIXME: shouldn't invoke it this way because all other contents
-	 *	  of bss_conf is invalid.
+	 * Copy all data we need during this action under the protection
+	 * of a spinlock. Otherwise race conditions might occur which results
+	 * into an invalid configuration.
 	 */
-	rt2x00mac_bss_info_changed(rt2x00dev->hw, rt2x00dev->interface.id,
-				   &bss_conf, BSS_CHANGED_ERP_PREAMBLE);
+	spin_lock(&intf->lock);
+
+	memcpy(&conf, &intf->conf, sizeof(conf));
+	delayed_flags = intf->delayed_flags;
+	intf->delayed_flags = 0;
+
+	spin_unlock(&intf->lock);
+
+	if (delayed_flags & DELAYED_UPDATE_BEACON) {
+		skb = ieee80211_beacon_get(rt2x00dev->hw, vif, &control);
+		if (skb) {
+			rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb,
+							  &control);
+			dev_kfree_skb(skb);
+		}
+	}
+
+	if (delayed_flags & DELAYED_CONFIG_PREAMBLE)
+		rt2x00lib_config_preamble(rt2x00dev, intf,
+					  intf->conf.use_short_preamble);
+}
+
+static void rt2x00lib_intf_scheduled(struct work_struct *work)
+{
+	struct rt2x00_dev *rt2x00dev =
+	    container_of(work, struct rt2x00_dev, intf_work);
+
+	/*
+	 * Iterate over each interface and perform the
+	 * requested configurations.
+	 */
+	ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+					    rt2x00lib_intf_scheduled_iter,
+					    rt2x00dev);
 }
 
 /*
  * Interrupt context handlers.
  */
-static void rt2x00lib_beacondone_scheduled(struct work_struct *work)
+static void rt2x00lib_beacondone_iter(void *data, u8 *mac,
+				      struct ieee80211_vif *vif)
 {
-	struct rt2x00_dev *rt2x00dev =
-	    container_of(work, struct rt2x00_dev, beacon_work);
-	struct ieee80211_tx_control control;
-	struct sk_buff *skb;
+	struct rt2x00_intf *intf = vif_to_intf(vif);
 
-	skb = ieee80211_beacon_get(rt2x00dev->hw,
-				   rt2x00dev->interface.id, &control);
-	if (!skb)
+	if (vif->type != IEEE80211_IF_TYPE_AP &&
+	    vif->type != IEEE80211_IF_TYPE_IBSS)
 		return;
 
-	rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, skb, &control);
-
-	dev_kfree_skb(skb);
+	spin_lock(&intf->lock);
+	intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+	spin_unlock(&intf->lock);
 }
 
 void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev)
@@ -454,7 +483,11 @@
 	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
 		return;
 
-	queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->beacon_work);
+	ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+					    rt2x00lib_beacondone_iter,
+					    rt2x00dev);
+
+	queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work);
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_beacondone);
 
@@ -1037,6 +1070,10 @@
 		return retval;
 	}
 
+	rt2x00dev->intf_ap_count = 0;
+	rt2x00dev->intf_sta_count = 0;
+	rt2x00dev->intf_associated = 0;
+
 	__set_bit(DEVICE_STARTED, &rt2x00dev->flags);
 
 	return 0;
@@ -1053,6 +1090,10 @@
 	 */
 	rt2x00lib_disable_radio(rt2x00dev);
 
+	rt2x00dev->intf_ap_count = 0;
+	rt2x00dev->intf_sta_count = 0;
+	rt2x00dev->intf_associated = 0;
+
 	__clear_bit(DEVICE_STARTED, &rt2x00dev->flags);
 }
 
@@ -1064,6 +1105,12 @@
 	int retval = -ENOMEM;
 
 	/*
+	 * Make room for rt2x00_intf inside the per-interface
+	 * structure ieee80211_vif.
+	 */
+	rt2x00dev->hw->vif_data_size = sizeof(struct rt2x00_intf);
+
+	/*
 	 * Let the driver probe the device to detect the capabilities.
 	 */
 	retval = rt2x00dev->ops->lib->probe_hw(rt2x00dev);
@@ -1075,17 +1122,11 @@
 	/*
 	 * Initialize configuration work.
 	 */
-	INIT_WORK(&rt2x00dev->beacon_work, rt2x00lib_beacondone_scheduled);
+	INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled);
 	INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled);
-	INIT_WORK(&rt2x00dev->config_work, rt2x00lib_configuration_scheduled);
 	INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner);
 
 	/*
-	 * Reset current working type.
-	 */
-	rt2x00dev->interface.type = IEEE80211_IF_TYPE_INVALID;
-
-	/*
 	 * Allocate queue array.
 	 */
 	retval = rt2x00queue_allocate(rt2x00dev);
@@ -1203,9 +1244,30 @@
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_suspend);
 
+static void rt2x00lib_resume_intf(void *data, u8 *mac,
+				  struct ieee80211_vif *vif)
+{
+	struct rt2x00_dev *rt2x00dev = data;
+	struct rt2x00_intf *intf = vif_to_intf(vif);
+
+	spin_lock(&intf->lock);
+
+	rt2x00lib_config_intf(rt2x00dev, intf,
+			      vif->type, intf->mac, intf->bssid);
+
+
+	/*
+	 * Master or Ad-hoc mode require a new beacon update.
+	 */
+	if (vif->type == IEEE80211_IF_TYPE_AP ||
+	    vif->type == IEEE80211_IF_TYPE_IBSS)
+		intf->delayed_flags |= DELAYED_UPDATE_BEACON;
+
+	spin_unlock(&intf->lock);
+}
+
 int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev)
 {
-	struct interface *intf = &rt2x00dev->interface;
 	int retval;
 
 	NOTICE(rt2x00dev, "Waking up.\n");
@@ -1235,9 +1297,12 @@
 	if (!rt2x00dev->hw->conf.radio_enabled)
 		rt2x00lib_disable_radio(rt2x00dev);
 
-	rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
-	rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
-	rt2x00lib_config_type(rt2x00dev, intf->type);
+	/*
+	 * Iterator over each active interface to
+	 * reconfigure the hardware.
+	 */
+	ieee80211_iterate_active_interfaces(rt2x00dev->hw,
+					    rt2x00lib_resume_intf, rt2x00dev);
 
 	/*
 	 * We are ready again to receive requests from mac80211.
@@ -1253,12 +1318,11 @@
 	ieee80211_start_queues(rt2x00dev->hw);
 
 	/*
-	 * When in Master or Ad-hoc mode,
-	 * restart Beacon transmitting by faking a beacondone event.
+	 * During interface iteration we might have changed the
+	 * delayed_flags, time to handles the event by calling
+	 * the work handler directly.
 	 */
-	if (intf->type == IEEE80211_IF_TYPE_AP ||
-	    intf->type == IEEE80211_IF_TYPE_IBSS)
-		rt2x00lib_beacondone(rt2x00dev);
+	rt2x00lib_intf_scheduled(&rt2x00dev->intf_work);
 
 	return 0;
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h
index 5c835f4..f6789fd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00lib.h
+++ b/drivers/net/wireless/rt2x00/rt2x00lib.h
@@ -50,9 +50,13 @@
 /*
  * Configuration handlers.
  */
-void rt2x00lib_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *mac);
-void rt2x00lib_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid);
-void rt2x00lib_config_type(struct rt2x00_dev *rt2x00dev, const int type);
+void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
+			   struct rt2x00_intf *intf,
+			   enum ieee80211_if_types type,
+			   u8 *mac, u8 *bssid);
+void rt2x00lib_config_preamble(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00_intf *intf,
+			       const unsigned int short_preamble);
 void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 			      enum antenna rx, enum antenna tx);
 void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index f08c151..65a2bcd 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -52,11 +52,11 @@
 	skb_put(skb, size);
 
 	if (control->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)
-		ieee80211_ctstoself_get(rt2x00dev->hw, rt2x00dev->interface.id,
+		ieee80211_ctstoself_get(rt2x00dev->hw, control->vif,
 					frag_skb->data, frag_skb->len, control,
 					(struct ieee80211_cts *)(skb->data));
 	else
-		ieee80211_rts_get(rt2x00dev->hw, rt2x00dev->interface.id,
+		ieee80211_rts_get(rt2x00dev->hw, control->vif,
 				  frag_skb->data, frag_skb->len, control,
 				  (struct ieee80211_rts *)(skb->data));
 
@@ -162,19 +162,67 @@
 			    struct ieee80211_if_init_conf *conf)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct interface *intf = &rt2x00dev->interface;
+	struct rt2x00_intf *intf = vif_to_intf(conf->vif);
+	struct data_queue *queue =
+	    rt2x00queue_get_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+	struct queue_entry *entry = NULL;
+	unsigned int i;
 
 	/*
-	 * Don't allow interfaces to be added while
-	 * either the device has disappeared or when
-	 * another interface is already present.
+	 * Don't allow interfaces to be added
+	 * the device has disappeared.
 	 */
 	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
-	    is_interface_present(intf))
+	    !test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+		return -ENODEV;
+
+	/*
+	 * When we don't support mixed interfaces (a combination
+	 * of sta and ap virtual interfaces) then we can only
+	 * add this interface when the rival interface count is 0.
+	 */
+	if (!test_bit(DRIVER_SUPPORT_MIXED_INTERFACES, &rt2x00dev->flags) &&
+	    ((conf->type == IEEE80211_IF_TYPE_AP && rt2x00dev->intf_sta_count) ||
+	     (conf->type != IEEE80211_IF_TYPE_AP && rt2x00dev->intf_ap_count)))
 		return -ENOBUFS;
 
-	intf->id = conf->vif;
-	intf->type = conf->type;
+	/*
+	 * Check if we exceeded the maximum amount of supported interfaces.
+	 */
+	if ((conf->type == IEEE80211_IF_TYPE_AP &&
+	     rt2x00dev->intf_ap_count >= rt2x00dev->ops->max_ap_intf) ||
+	    (conf->type != IEEE80211_IF_TYPE_AP &&
+	     rt2x00dev->intf_sta_count >= rt2x00dev->ops->max_sta_intf))
+		return -ENOBUFS;
+
+	/*
+	 * Loop through all beacon queues to find a free
+	 * entry. Since there are as much beacon entries
+	 * as the maximum interfaces, this search shouldn't
+	 * fail.
+	 */
+	for (i = 0; i < queue->limit; i++) {
+		entry = &queue->entries[i];
+		if (!__test_and_set_bit(ENTRY_BCN_ASSIGNED, &entry->flags))
+			break;
+	}
+
+	if (unlikely(i == queue->limit))
+		return -ENOBUFS;
+
+	/*
+	 * We are now absolutely sure the interface can be created,
+	 * increase interface count and start initialization.
+	 */
+
+	if (conf->type == IEEE80211_IF_TYPE_AP)
+		rt2x00dev->intf_ap_count++;
+	else
+		rt2x00dev->intf_sta_count++;
+
+	spin_lock_init(&intf->lock);
+	intf->beacon = entry;
+
 	if (conf->type == IEEE80211_IF_TYPE_AP)
 		memcpy(&intf->bssid, conf->mac_addr, ETH_ALEN);
 	memcpy(&intf->mac, conf->mac_addr, ETH_ALEN);
@@ -184,8 +232,7 @@
 	 * has been initialized. Otherwise the device can reset
 	 * the MAC registers.
 	 */
-	rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
-	rt2x00lib_config_type(rt2x00dev, conf->type);
+	rt2x00lib_config_intf(rt2x00dev, intf, conf->type, intf->mac, NULL);
 
 	return 0;
 }
@@ -195,7 +242,7 @@
 				struct ieee80211_if_init_conf *conf)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct interface *intf = &rt2x00dev->interface;
+	struct rt2x00_intf *intf = vif_to_intf(conf->vif);
 
 	/*
 	 * Don't allow interfaces to be remove while
@@ -203,21 +250,27 @@
 	 * no interface is present.
 	 */
 	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
-	    !is_interface_present(intf))
+	    (conf->type == IEEE80211_IF_TYPE_AP && !rt2x00dev->intf_ap_count) ||
+	    (conf->type != IEEE80211_IF_TYPE_AP && !rt2x00dev->intf_sta_count))
 		return;
 
-	intf->id = NULL;
-	intf->type = IEEE80211_IF_TYPE_INVALID;
-	memset(&intf->bssid, 0x00, ETH_ALEN);
-	memset(&intf->mac, 0x00, ETH_ALEN);
+	if (conf->type == IEEE80211_IF_TYPE_AP)
+		rt2x00dev->intf_ap_count--;
+	else
+		rt2x00dev->intf_sta_count--;
+
+	/*
+	 * Release beacon entry so it is available for
+	 * new interfaces again.
+	 */
+	__clear_bit(ENTRY_BCN_ASSIGNED, &intf->beacon->flags);
 
 	/*
 	 * Make sure the bssid and mac address registers
 	 * are cleared to prevent false ACKing of frames.
 	 */
-	rt2x00lib_config_mac_addr(rt2x00dev, intf->mac);
-	rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
-	rt2x00lib_config_type(rt2x00dev, intf->type);
+	rt2x00lib_config_intf(rt2x00dev, intf,
+			      IEEE80211_IF_TYPE_INVALID, NULL, NULL);
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_remove_interface);
 
@@ -262,7 +315,7 @@
 			       struct ieee80211_if_conf *conf)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct interface *intf = &rt2x00dev->interface;
+	struct rt2x00_intf *intf = vif_to_intf(vif);
 	int status;
 
 	/*
@@ -272,12 +325,7 @@
 	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
 		return 0;
 
-	/*
-	 * If the given type does not match the configured type,
-	 * there has been a problem.
-	 */
-	if (conf->type != intf->type)
-		return -EINVAL;
+	spin_lock(&intf->lock);
 
 	/*
 	 * If the interface does not work in master mode,
@@ -286,7 +334,9 @@
 	 */
 	if (conf->type != IEEE80211_IF_TYPE_AP)
 		memcpy(&intf->bssid, conf->bssid, ETH_ALEN);
-	rt2x00lib_config_bssid(rt2x00dev, intf->bssid);
+	rt2x00lib_config_intf(rt2x00dev, intf, conf->type, NULL, intf->bssid);
+
+	spin_unlock(&intf->lock);
 
 	/*
 	 * We only need to initialize the beacon when master mode is enabled.
@@ -342,35 +392,35 @@
 				u32 changes)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
-	int short_preamble;
-	int ack_timeout;
-	int ack_consume_time;
-	int difs;
-	int preamble;
+	struct rt2x00_intf *intf = vif_to_intf(vif);
 
 	/*
-	 * We only support changing preamble mode.
+	 * When the association status has changed we must reset the link
+	 * tuner counter. This is because some drivers determine if they
+	 * should perform link tuning based on the number of seconds
+	 * while associated or not associated.
 	 */
-	if (!(changes & BSS_CHANGED_ERP_PREAMBLE))
-		return;
+	if (changes & BSS_CHANGED_ASSOC) {
+		rt2x00dev->link.count = 0;
 
-	short_preamble = bss_conf->use_short_preamble;
-	preamble = bss_conf->use_short_preamble ?
-				SHORT_PREAMBLE : PREAMBLE;
+		if (bss_conf->assoc)
+			rt2x00dev->intf_associated++;
+		else
+			rt2x00dev->intf_associated--;
+	}
 
-	difs = (hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
-		SHORT_DIFS : DIFS;
-	ack_timeout = difs + PLCP + preamble + get_duration(ACK_SIZE, 10);
+	/*
+	 * When the preamble mode has changed, we should perform additional
+	 * configuration steps. For all other changes we are already done.
+	 */
+	if (changes & BSS_CHANGED_ERP_PREAMBLE) {
+		rt2x00lib_config_preamble(rt2x00dev, intf,
+					  bss_conf->use_short_preamble);
 
-	ack_consume_time = SIFS + PLCP + preamble + get_duration(ACK_SIZE, 10);
-
-	if (short_preamble)
-		__set_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
-	else
-		__clear_bit(CONFIG_SHORT_PREAMBLE, &rt2x00dev->flags);
-
-	rt2x00dev->ops->lib->config_preamble(rt2x00dev, short_preamble,
-					     ack_timeout, ack_consume_time);
+		spin_lock(&intf->lock);
+		memcpy(&intf->conf, bss_conf, sizeof(*bss_conf));
+		spin_unlock(&intf->lock);
+	}
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed);
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 63cfe33..764147d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -38,20 +38,14 @@
 			    struct ieee80211_tx_control *control)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct rt2x00_intf *intf = vif_to_intf(control->vif);
 	struct queue_entry_priv_pci_tx *priv_tx;
 	struct skb_frame_desc *skbdesc;
-	struct data_queue *queue;
-	struct queue_entry *entry;
 
-	/*
-	 * Just in case mac80211 doesn't set this correctly,
-	 * but we need this queue set for the descriptor
-	 * initialization.
-	 */
-	control->queue = IEEE80211_TX_QUEUE_BEACON;
-	queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
-	entry = rt2x00queue_get_entry(queue, Q_INDEX);
-	priv_tx = entry->priv_data;
+	if (unlikely(!intf->beacon))
+		return -ENOBUFS;
+
+	priv_tx = intf->beacon->priv_data;
 
 	/*
 	 * Fill in skb descriptor
@@ -59,17 +53,25 @@
 	skbdesc = get_skb_frame_desc(skb);
 	memset(skbdesc, 0, sizeof(*skbdesc));
 	skbdesc->data = skb->data;
-	skbdesc->data_len = queue->data_size;
+	skbdesc->data_len = skb->len;
 	skbdesc->desc = priv_tx->desc;
-	skbdesc->desc_len = queue->desc_size;
-	skbdesc->entry = entry;
+	skbdesc->desc_len = intf->beacon->queue->desc_size;
+	skbdesc->entry = intf->beacon;
 
-	memcpy(priv_tx->data, skb->data, skb->len);
+	/*
+	 * Just in case mac80211 doesn't set this correctly,
+	 * but we need this queue set for the descriptor
+	 * initialization.
+	 */
+	control->queue = IEEE80211_TX_QUEUE_BEACON;
 	rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
 
 	/*
 	 * Enable beacon generation.
+	 * Write entire beacon with descriptor to register,
+	 * and kick the beacon generator.
 	 */
+	memcpy(priv_tx->data, skb->data, skb->len);
 	rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, control->queue);
 
 	return 0;
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 507116c..75af48e 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -46,9 +46,6 @@
  * queue would be sufficient. Although this is almost one third of
  * the amount the legacy driver allocated, the queues aren't getting
  * filled to the maximum even when working with the maximum rate.
- *
- * FIXME: For virtual interfaces we need a different number
- * of beacons, since more interfaces require more beacons.
  */
 #define RX_ENTRIES	12
 #define TX_ENTRIES	12
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index b5ab771..b432cc2 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -271,63 +271,60 @@
 /*
  * Configuration handlers.
  */
-static void rt61pci_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
+static void rt61pci_config_intf(struct rt2x00_dev *rt2x00dev,
+				struct rt2x00_intf *intf,
+				struct rt2x00intf_conf *conf,
+				const unsigned int flags)
 {
-	u32 tmp;
-
-	tmp = le32_to_cpu(mac[1]);
-	rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
-	mac[1] = cpu_to_le32(tmp);
-
-	rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
-				      (2 * sizeof(__le32)));
-}
-
-static void rt61pci_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
-{
-	u32 tmp;
-
-	tmp = le32_to_cpu(bssid[1]);
-	rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
-	bssid[1] = cpu_to_le32(tmp);
-
-	rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
-				      (2 * sizeof(__le32)));
-}
-
-static void rt61pci_config_type(struct rt2x00_dev *rt2x00dev, const int type,
-				const int tsf_sync)
-{
+	unsigned int beacon_base;
 	u32 reg;
 
-	/*
-	 * Clear current synchronisation setup.
-	 * For the Beacon base registers we only need to clear
-	 * the first byte since that byte contains the VALID and OWNER
-	 * bits which (when set to 0) will invalidate the entire beacon.
-	 */
-	rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	if (flags & CONFIG_UPDATE_TYPE) {
+		/*
+		 * Clear current synchronisation setup.
+		 * For the Beacon base registers we only need to clear
+		 * the first byte since that byte contains the VALID and OWNER
+		 * bits which (when set to 0) will invalidate the entire beacon.
+		 */
+		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+		rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
+		rt2x00pci_register_write(rt2x00dev, beacon_base, 0);
 
-	/*
-	 * Enable synchronisation.
-	 */
-	rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
-			  (tsf_sync == TSF_SYNC_BEACON));
-	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, tsf_sync);
-	rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+		/*
+		 * Enable synchronisation.
+		 */
+		rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+		rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+		rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
+				  (conf->sync == TSF_SYNC_BEACON));
+		rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+		rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
+		rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+	}
+
+	if (flags & CONFIG_UPDATE_MAC) {
+		reg = le32_to_cpu(conf->mac[1]);
+		rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+		conf->mac[1] = cpu_to_le32(reg);
+
+		rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR2,
+					      conf->mac, sizeof(conf->mac));
+	}
+
+	if (flags & CONFIG_UPDATE_BSSID) {
+		reg = le32_to_cpu(conf->bssid[1]);
+		rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
+		conf->bssid[1] = cpu_to_le32(reg);
+
+		rt2x00pci_register_multiwrite(rt2x00dev, MAC_CSR4,
+					      conf->bssid, sizeof(conf->bssid));
+	}
 }
 
-static void rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev,
-				    const int short_preamble,
-				    const int ack_timeout,
-				    const int ack_consume_time)
+static int rt61pci_config_preamble(struct rt2x00_dev *rt2x00dev,
+				   const int short_preamble,
+				   const int ack_timeout,
+				   const int ack_consume_time)
 {
 	u32 reg;
 
@@ -339,6 +336,8 @@
 	rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 			   !!short_preamble);
 	rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+	return 0;
 }
 
 static void rt61pci_config_phymode(struct rt2x00_dev *rt2x00dev,
@@ -667,8 +666,8 @@
 }
 
 static void rt61pci_config(struct rt2x00_dev *rt2x00dev,
-			   const unsigned int flags,
-			   struct rt2x00lib_conf *libconf)
+			   struct rt2x00lib_conf *libconf,
+			   const unsigned int flags)
 {
 	if (flags & CONFIG_UPDATE_PHYMODE)
 		rt61pci_config_phymode(rt2x00dev, libconf->basic_rates);
@@ -816,6 +815,13 @@
 	}
 
 	/*
+	 * If we are not associated, we should go straight to the
+	 * dynamic CCA tuning.
+	 */
+	if (!rt2x00dev->intf_associated)
+		goto dynamic_cca_tune;
+
+	/*
 	 * Special big-R17 for very short distance
 	 */
 	if (rssi >= -35) {
@@ -866,6 +872,8 @@
 		return;
 	}
 
+dynamic_cca_tune:
+
 	/*
 	 * r17 does not yet exceed upper limit, continue and base
 	 * the r17 tuning on the false CCA count.
@@ -1215,6 +1223,17 @@
 	rt2x00pci_register_write(rt2x00dev, AC_TXOP_CSR1, reg);
 
 	/*
+	 * Clear all beacons
+	 * For the Beacon base registers we only need to clear
+	 * the first byte since that byte contains the VALID and OWNER
+	 * bits which (when set to 0) will invalidate the entire beacon.
+	 */
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt2x00pci_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+	/*
 	 * We must clear the error counters.
 	 * These registers are cleared on read,
 	 * so we may pass a useless variable to store the value.
@@ -2378,25 +2397,20 @@
 			  struct ieee80211_tx_control *control)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct rt2x00_intf *intf = vif_to_intf(control->vif);
 	struct skb_frame_desc *skbdesc;
-	struct data_queue *queue;
-	struct queue_entry *entry;
+	unsigned int beacon_base;
 
-	/*
-	 * Just in case the ieee80211 doesn't set this,
-	 * but we need this queue set for the descriptor
-	 * initialization.
-	 */
-	control->queue = IEEE80211_TX_QUEUE_BEACON;
-	queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
-	entry = rt2x00queue_get_entry(queue, Q_INDEX);
+	if (unlikely(!intf->beacon))
+		return -ENOBUFS;
 
 	/*
 	 * We need to append the descriptor in front of the
 	 * beacon frame.
 	 */
-	if (skb_headroom(skb) < queue->desc_size) {
-		if (pskb_expand_head(skb, queue->desc_size, 0, GFP_ATOMIC)) {
+	if (skb_headroom(skb) < intf->beacon->queue->desc_size) {
+		if (pskb_expand_head(skb, intf->beacon->queue->desc_size,
+				     0, GFP_ATOMIC)) {
 			dev_kfree_skb(skb);
 			return -ENOMEM;
 		}
@@ -2405,29 +2419,36 @@
 	/*
 	 * Add the descriptor in front of the skb.
 	 */
-	skb_push(skb, queue->desc_size);
-	memset(skb->data, 0, queue->desc_size);
+	skb_push(skb, intf->beacon->queue->desc_size);
+	memset(skb->data, 0, intf->beacon->queue->desc_size);
 
 	/*
 	 * Fill in skb descriptor
 	 */
 	skbdesc = get_skb_frame_desc(skb);
 	memset(skbdesc, 0, sizeof(*skbdesc));
-	skbdesc->data = skb->data + queue->desc_size;
-	skbdesc->data_len = queue->data_size;
+	skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+	skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
 	skbdesc->desc = skb->data;
-	skbdesc->desc_len = queue->desc_size;
-	skbdesc->entry = entry;
+	skbdesc->desc_len = intf->beacon->queue->desc_size;
+	skbdesc->entry = intf->beacon;
 
+	/*
+	 * Just in case the ieee80211 doesn't set this,
+	 * but we need this queue set for the descriptor
+	 * initialization.
+	 */
+	control->queue = IEEE80211_TX_QUEUE_BEACON;
 	rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
 
 	/*
 	 * Write entire beacon with descriptor to register,
 	 * and kick the beacon generator.
 	 */
-	rt2x00pci_register_multiwrite(rt2x00dev, HW_BEACON_BASE0,
+	beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+	rt2x00pci_register_multiwrite(rt2x00dev, beacon_base,
 				      skb->data, skb->len);
-	rt61pci_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+	rt61pci_kick_tx_queue(rt2x00dev, control->queue);
 
 	return 0;
 }
@@ -2469,9 +2490,7 @@
 	.write_tx_data		= rt2x00pci_write_tx_data,
 	.kick_tx_queue		= rt61pci_kick_tx_queue,
 	.fill_rxdone		= rt61pci_fill_rxdone,
-	.config_mac_addr	= rt61pci_config_mac_addr,
-	.config_bssid		= rt61pci_config_bssid,
-	.config_type		= rt61pci_config_type,
+	.config_intf		= rt61pci_config_intf,
 	.config_preamble	= rt61pci_config_preamble,
 	.config			= rt61pci_config,
 };
@@ -2491,7 +2510,7 @@
 };
 
 static const struct data_queue_desc rt61pci_queue_bcn = {
-	.entry_num		= BEACON_ENTRIES,
+	.entry_num		= 4 * BEACON_ENTRIES,
 	.data_size		= MGMT_FRAME_SIZE,
 	.desc_size		= TXINFO_SIZE,
 	.priv_size		= sizeof(struct queue_entry_priv_pci_tx),
@@ -2499,6 +2518,8 @@
 
 static const struct rt2x00_ops rt61pci_ops = {
 	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 4,
 	.eeprom_size	= EEPROM_SIZE,
 	.rf_size	= RF_SIZE,
 	.rx		= &rt61pci_queue_rx,
diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h
index 10519f8..d291c0f 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.h
+++ b/drivers/net/wireless/rt2x00/rt61pci.h
@@ -161,7 +161,9 @@
 #define HW_BEACON_BASE1			0x2d00
 #define HW_BEACON_BASE2			0x2e00
 #define HW_BEACON_BASE3			0x2f00
-#define HW_BEACON_OFFSET		0x0100
+
+#define HW_BEACON_OFFSET(__index) \
+	( HW_BEACON_BASE0 + (__index * 0x0100) )
 
 /*
  * HOST-MCU shared memory.
@@ -234,6 +236,11 @@
 
 /*
  * MAC_CSR3: STA MAC register 1.
+ * UNICAST_TO_ME_MASK:
+ *	Used to mask off bits from byte 5 of the MAC address
+ *	to determine the UNICAST_TO_ME bit for RX frames.
+ *	The full mask is complemented by BSS_ID_MASK:
+ *		MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
  */
 #define MAC_CSR3			0x300c
 #define MAC_CSR3_BYTE4			FIELD32(0x000000ff)
@@ -251,7 +258,14 @@
 
 /*
  * MAC_CSR5: BSSID register 1.
- * BSS_ID_MASK: 3: one BSSID, 0: 4 BSSID, 2 or 1: 2 BSSID.
+ * BSS_ID_MASK:
+ *	This mask is used to mask off bits 0 and 1 of byte 5 of the
+ *	BSSID. This will make sure that those bits will be ignored
+ *	when determining the MY_BSS of RX frames.
+ *		0: 1-BSSID mode (BSS index = 0)
+ *		1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ *		2: 2-BSSID mode (BSS index: byte5, bit 1)
+ *		3: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
  */
 #define MAC_CSR5			0x3014
 #define MAC_CSR5_BYTE4			FIELD32(0x000000ff)
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 8ebf3fe..7907fd0 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -281,75 +281,70 @@
 /*
  * Configuration handlers.
  */
-static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
+static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
+				struct rt2x00_intf *intf,
+				struct rt2x00intf_conf *conf,
+				const unsigned int flags)
 {
-	u32 tmp;
-
-	tmp = le32_to_cpu(mac[1]);
-	rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
-	mac[1] = cpu_to_le32(tmp);
-
-	rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
-				    (2 * sizeof(__le32)));
-}
-
-static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
-{
-	u32 tmp;
-
-	tmp = le32_to_cpu(bssid[1]);
-	rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
-	bssid[1] = cpu_to_le32(tmp);
-
-	rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
-				    (2 * sizeof(__le32)));
-}
-
-static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
-				const int tsf_sync)
-{
+	unsigned int beacon_base;
 	u32 reg;
 
-	/*
-	 * Clear current synchronisation setup.
-	 * For the Beacon base registers we only need to clear
-	 * the first byte since that byte contains the VALID and OWNER
-	 * bits which (when set to 0) will invalidate the entire beacon.
-	 */
-	rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
-	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
-	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
-	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
-	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+	if (flags & CONFIG_UPDATE_TYPE) {
+		/*
+		 * Clear current synchronisation setup.
+		 * For the Beacon base registers we only need to clear
+		 * the first byte since that byte contains the VALID and OWNER
+		 * bits which (when set to 0) will invalidate the entire beacon.
+		 */
+		beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
+		rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
+		rt73usb_register_write(rt2x00dev, beacon_base, 0);
 
-	/*
-	 * Enable synchronisation.
-	 */
-	rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
-			   (tsf_sync == TSF_SYNC_BEACON));
-	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
-	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, tsf_sync);
-	rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
-}
-
-static void rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
-				      const int short_preamble,
-				      const int ack_timeout,
-				      const int ack_consume_time)
-{
-	u32 reg;
-
-	/*
-	 * When in atomic context, reschedule and let rt2x00lib
-	 * call this function again.
-	 */
-	if (in_atomic()) {
-		queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
-		return;
+		/*
+		 * Enable synchronisation.
+		 */
+		rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+		rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 1);
+		rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE,
+				  (conf->sync == TSF_SYNC_BEACON));
+		rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+		rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, conf->sync);
+		rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
 	}
 
+	if (flags & CONFIG_UPDATE_MAC) {
+		reg = le32_to_cpu(conf->mac[1]);
+		rt2x00_set_field32(&reg, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
+		conf->mac[1] = cpu_to_le32(reg);
+
+		rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2,
+					    conf->mac, sizeof(conf->mac));
+	}
+
+	if (flags & CONFIG_UPDATE_BSSID) {
+		reg = le32_to_cpu(conf->bssid[1]);
+		rt2x00_set_field32(&reg, MAC_CSR5_BSS_ID_MASK, 3);
+		conf->bssid[1] = cpu_to_le32(reg);
+
+		rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4,
+					    conf->bssid, sizeof(conf->bssid));
+	}
+}
+
+static int rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
+				   const int short_preamble,
+				   const int ack_timeout,
+				   const int ack_consume_time)
+{
+	u32 reg;
+
+	/*
+	 * When in atomic context, we should let rt2x00lib
+	 * try this configuration again later.
+	 */
+	if (in_atomic())
+		return -EAGAIN;
+
 	rt73usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
 	rt2x00_set_field32(&reg, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
 	rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
@@ -358,6 +353,8 @@
 	rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
 			   !!short_preamble);
 	rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
+
+	return 0;
 }
 
 static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
@@ -617,8 +614,8 @@
 }
 
 static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
-			   const unsigned int flags,
-			   struct rt2x00lib_conf *libconf)
+			   struct rt2x00lib_conf *libconf,
+			   const unsigned int flags)
 {
 	if (flags & CONFIG_UPDATE_PHYMODE)
 		rt73usb_config_phymode(rt2x00dev, libconf->basic_rates);
@@ -766,6 +763,13 @@
 	}
 
 	/*
+	 * If we are not associated, we should go straight to the
+	 * dynamic CCA tuning.
+	 */
+	if (!rt2x00dev->intf_associated)
+		goto dynamic_cca_tune;
+
+	/*
 	 * Special big-R17 for very short distance
 	 */
 	if (rssi > -35) {
@@ -815,6 +819,8 @@
 		return;
 	}
 
+dynamic_cca_tune:
+
 	/*
 	 * r17 does not yet exceed upper limit, continue and base
 	 * the r17 tuning on the false CCA count.
@@ -1021,6 +1027,17 @@
 	rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
 
 	/*
+	 * Clear all beacons
+	 * For the Beacon base registers we only need to clear
+	 * the first byte since that byte contains the VALID and OWNER
+	 * bits which (when set to 0) will invalidate the entire beacon.
+	 */
+	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE0, 0);
+	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE1, 0);
+	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE2, 0);
+	rt73usb_register_write(rt2x00dev, HW_BEACON_BASE3, 0);
+
+	/*
 	 * We must clear the error counters.
 	 * These registers are cleared on read,
 	 * so we may pass a useless variable to store the value.
@@ -1985,13 +2002,33 @@
 }
 
 static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
-			  struct ieee80211_tx_control *control)
+				 struct ieee80211_tx_control *control)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
+	struct rt2x00_intf *intf = vif_to_intf(control->vif);
 	struct skb_frame_desc *skbdesc;
-	struct data_queue *queue;
-	struct queue_entry *entry;
-	int timeout;
+	unsigned int beacon_base;
+	unsigned int timeout;
+
+	if (unlikely(!intf->beacon))
+		return -ENOBUFS;
+
+	/*
+	 * Add the descriptor in front of the skb.
+	 */
+	skb_push(skb, intf->beacon->queue->desc_size);
+	memset(skb->data, 0, intf->beacon->queue->desc_size);
+
+	/*
+	 * Fill in skb descriptor
+	 */
+	skbdesc = get_skb_frame_desc(skb);
+	memset(skbdesc, 0, sizeof(*skbdesc));
+	skbdesc->data = skb->data + intf->beacon->queue->desc_size;
+	skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
+	skbdesc->desc = skb->data;
+	skbdesc->desc_len = intf->beacon->queue->desc_size;
+	skbdesc->entry = intf->beacon;
 
 	/*
 	 * Just in case the ieee80211 doesn't set this,
@@ -1999,38 +2036,18 @@
 	 * initialization.
 	 */
 	control->queue = IEEE80211_TX_QUEUE_BEACON;
-	queue = rt2x00queue_get_queue(rt2x00dev, control->queue);
-	entry = rt2x00queue_get_entry(queue, Q_INDEX);
-
-	/*
-	 * Add the descriptor in front of the skb.
-	 */
-	skb_push(skb, queue->desc_size);
-	memset(skb->data, 0, queue->desc_size);
-
-	/*
-	 * Fill in skb descriptor
-	 */
-	skbdesc = get_skb_frame_desc(skb);
-	memset(skbdesc, 0, sizeof(*skbdesc));
-	skbdesc->data = skb->data + queue->desc_size;
-	skbdesc->data_len = queue->data_size;
-	skbdesc->desc = skb->data;
-	skbdesc->desc_len = queue->desc_size;
-	skbdesc->entry = entry;
-
 	rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
 
 	/*
 	 * Write entire beacon with descriptor to register,
 	 * and kick the beacon generator.
 	 */
+	beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
 	timeout = REGISTER_TIMEOUT * (skb->len / sizeof(u32));
 	rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
-				 USB_VENDOR_REQUEST_OUT,
-				 HW_BEACON_BASE0, 0x0000,
+				 USB_VENDOR_REQUEST_OUT, beacon_base, 0,
 				 skb->data, skb->len, timeout);
-	rt73usb_kick_tx_queue(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
+	rt73usb_kick_tx_queue(rt2x00dev, control->queue);
 
 	return 0;
 }
@@ -2071,9 +2088,7 @@
 	.get_tx_data_len	= rt73usb_get_tx_data_len,
 	.kick_tx_queue		= rt73usb_kick_tx_queue,
 	.fill_rxdone		= rt73usb_fill_rxdone,
-	.config_mac_addr	= rt73usb_config_mac_addr,
-	.config_bssid		= rt73usb_config_bssid,
-	.config_type		= rt73usb_config_type,
+	.config_intf		= rt73usb_config_intf,
 	.config_preamble	= rt73usb_config_preamble,
 	.config			= rt73usb_config,
 };
@@ -2093,7 +2108,7 @@
 };
 
 static const struct data_queue_desc rt73usb_queue_bcn = {
-	.entry_num		= BEACON_ENTRIES,
+	.entry_num		= 4 * BEACON_ENTRIES,
 	.data_size		= MGMT_FRAME_SIZE,
 	.desc_size		= TXINFO_SIZE,
 	.priv_size		= sizeof(struct queue_entry_priv_usb_tx),
@@ -2101,6 +2116,8 @@
 
 static const struct rt2x00_ops rt73usb_ops = {
 	.name		= KBUILD_MODNAME,
+	.max_sta_intf	= 1,
+	.max_ap_intf	= 4,
 	.eeprom_size	= EEPROM_SIZE,
 	.rf_size	= RF_SIZE,
 	.rx		= &rt73usb_queue_rx,
diff --git a/drivers/net/wireless/rt2x00/rt73usb.h b/drivers/net/wireless/rt2x00/rt73usb.h
index da62b4f..3f96756 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.h
+++ b/drivers/net/wireless/rt2x00/rt73usb.h
@@ -114,6 +114,9 @@
 #define HW_BEACON_BASE2			0x2600
 #define HW_BEACON_BASE3			0x2700
 
+#define HW_BEACON_OFFSET(__index) \
+	( HW_BEACON_BASE0 + (__index * 0x0100) )
+
 /*
  * MAC Control/Status Registers(CSR).
  * Some values are set in TU, whereas 1 TU == 1024 us.
@@ -146,6 +149,11 @@
 
 /*
  * MAC_CSR3: STA MAC register 1.
+ * UNICAST_TO_ME_MASK:
+ *	Used to mask off bits from byte 5 of the MAC address
+ *	to determine the UNICAST_TO_ME bit for RX frames.
+ *	The full mask is complemented by BSS_ID_MASK:
+ *		MASK = BSS_ID_MASK & UNICAST_TO_ME_MASK
  */
 #define MAC_CSR3			0x300c
 #define MAC_CSR3_BYTE4			FIELD32(0x000000ff)
@@ -163,7 +171,14 @@
 
 /*
  * MAC_CSR5: BSSID register 1.
- * BSS_ID_MASK: 3: one BSSID, 0: 4 BSSID, 2 or 1: 2 BSSID.
+ * BSS_ID_MASK:
+ *	This mask is used to mask off bits 0 and 1 of byte 5 of the
+ *	BSSID. This will make sure that those bits will be ignored
+ *	when determining the MY_BSS of RX frames.
+ *		0: 1-BSSID mode (BSS index = 0)
+ *		1: 2-BSSID mode (BSS index: Byte5, bit 0)
+ *		2: 2-BSSID mode (BSS index: byte5, bit 1)
+ *		3: 4-BSSID mode (BSS index: byte5, bit 0 - 1)
  */
 #define MAC_CSR5			0x3014
 #define MAC_CSR5_BYTE4			FIELD32(0x000000ff)