Please pull 'upstream' branch of rt2x00

index 0107cec..18b703c 100644
@@ -1241,7 +1241,7 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance)
 	if (!reg)
 		return IRQ_NONE;
 
-	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
 
 	/*

index e0ff76f..5cc706a 100644
@@ -1377,7 +1377,7 @@ static irqreturn_t rt2500pci_interrupt(int irq, void *dev_instance)
 	if (!reg)
 		return IRQ_NONE;
 
-	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
 
 	/*

index 3b90ed6..c6be4dd 100644
@@ -1297,7 +1297,7 @@ static void rt2500usb_beacondone(struct urb *urb)
 	struct queue_entry *entry = (struct queue_entry *)urb->context;
 	struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
 
-	if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
 		return;
 
 	/*

index 3fa3d5b..08095bf 100644
@@ -629,14 +629,14 @@ enum rt2x00_flags {
 	/*
 	 * Device state flags
 	 */
-	DEVICE_PRESENT,
-	DEVICE_REGISTERED_HW,
-	DEVICE_INITIALIZED,
-	DEVICE_STARTED,
-	DEVICE_STARTED_SUSPEND,
-	DEVICE_ENABLED_RADIO,
-	DEVICE_DISABLED_RADIO_HW,
-	DEVICE_DIRTY_CONFIG,
+	DEVICE_STATE_PRESENT,
+	DEVICE_STATE_REGISTERED_HW,
+	DEVICE_STATE_INITIALIZED,
+	DEVICE_STATE_STARTED,
+	DEVICE_STATE_STARTED_SUSPEND,
+	DEVICE_STATE_ENABLED_RADIO,
+	DEVICE_STATE_DISABLED_RADIO_HW,
+	DEVICE_STATE_DIRTY_CONFIG,
 
 	/*
 	 * Driver requirements

index ea37c79..ca051f5 100644
@@ -121,7 +121,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 	 * Antenna setup changes require the RX to be disabled,
 	 * else the changes will be ignored by the device.
 	 */
-	if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF_LINK);
 
 	/*

@@ -136,7 +136,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev,
 	rt2x00dev->link.ant.active.rx = libconf.ant.rx;
 	rt2x00dev->link.ant.active.tx = libconf.ant.tx;
 
-	if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON_LINK);
 }
 

207 lines not on this page · raw message

index 3af4273..11be895 100644
@@ -117,7 +117,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
 	 * Note that we can only stop the TX queues inside the TX path
 	 * due to possible race conditions in mac80211.
 	 */
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
 		goto exit_fail;
 
 	/*

@@ -175,7 +175,7 @@ int rt2x00mac_start(struct ieee80211_hw *hw)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
 		return 0;
 
 	return rt2x00lib_start(rt2x00dev);

@@ -186,7 +186,7 @@ void rt2x00mac_stop(struct ieee80211_hw *hw)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
 
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
 		return;
 
 	rt2x00lib_stop(rt2x00dev);

@@ -206,8 +206,8 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
 	 * Don't allow interfaces to be added
 	 * the device has disappeared.
 	 */
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
-	    !test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) ||
+	    !test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags))
 		return -ENODEV;
 
 	switch (conf->type) {

@@ -256,7 +256,7 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw,
 	 */
 	for (i = 0; i < queue->limit; i++) {
 		entry = &queue->entries[i];
-		if (!__test_and_set_bit(ENTRY_BCN_ASSIGNED, &entry->flags))
+		if (!test_and_set_bit(ENTRY_BCN_ASSIGNED, &entry->flags))
 			break;
 	}
 

@@ -310,7 +310,7 @@ void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
 	 * either the device has disappeared or when
 	 * no interface is present.
 	 */
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags) ||
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags) ||
 	    (conf->type == IEEE80211_IF_TYPE_AP && !rt2x00dev->intf_ap_count) ||
 	    (conf->type != IEEE80211_IF_TYPE_AP && !rt2x00dev->intf_sta_count))
 		return;

@@ -324,7 +324,7 @@ void rt2x00mac_remove_interface(struct ieee80211_hw *hw,
 	 * Release beacon entry so it is available for
 	 * new interfaces again.
 	 */
-	__clear_bit(ENTRY_BCN_ASSIGNED, &intf->beacon->flags);
+	clear_bit(ENTRY_BCN_ASSIGNED, &intf->beacon->flags);
 
 	/*
 	 * Make sure the bssid and mac address registers

@@ -344,14 +344,14 @@ int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
 	 * Mac80211 might be calling this function while we are trying
 	 * to remove the device or perhaps suspending it.
 	 */
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
 		return 0;
 
 	/*
 	 * Check if we need to disable the radio,
 	 * if this is not the case, at least the RX must be disabled.
 	 */
-	if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) {
+	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) {
 		if (!conf->radio_enabled)
 			rt2x00lib_disable_radio(rt2x00dev);
 		else

@@ -366,14 +366,14 @@ int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
 	 * initialized.
 	 */
 	force_reconfig =
-	    __test_and_clear_bit(DEVICE_DIRTY_CONFIG, &rt2x00dev->flags);
+	    test_and_clear_bit(DEVICE_STATE_DIRTY_CONFIG, &rt2x00dev->flags);
 
 	rt2x00lib_config(rt2x00dev, conf, force_reconfig);
 
 	/*
 	 * Reenable RX only if the radio should be on.
 	 */
-	if (test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+	if (test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
 	else if (conf->radio_enabled)
 		return rt2x00lib_enable_radio(rt2x00dev);

@@ -395,7 +395,7 @@ int rt2x00mac_config_interface(struct ieee80211_hw *hw,
 	 * Mac80211 might be calling this function while we are trying
 	 * to remove the device or perhaps suspending it.
 	 */
-	if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags))
 		return 0;
 
 	spin_lock(&intf->lock);

index c0f97c5..d10a801 100644
@@ -356,7 +356,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
 	if (unlikely(rt2x00queue_full(queue)))
 		return -EINVAL;
 
-	if (__test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) {
+	if (test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) {
 		ERROR(queue->rt2x00dev,
 		      "Arrived at non-free entry in the non-full queue %d.\n"
 		      "Please file bug report to %s.\n",

@@ -396,7 +396,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
 	 * the frame to mac80211 because the skb->cb has now been tainted.
 	 */
 	if (unlikely(queue->rt2x00dev->ops->lib->write_tx_data(entry))) {
-		__clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+		clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
 		dev_kfree_skb_any(entry->skb);
 		entry->skb = NULL;
 		return 0;

@@ -405,7 +405,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
 	if (test_bit(DRIVER_REQUIRE_DMA, &queue->rt2x00dev->flags))
 		rt2x00queue_map_txskb(queue->rt2x00dev, skb);
 
-	__set_bit(ENTRY_DATA_PENDING, &entry->flags);
+	set_bit(ENTRY_DATA_PENDING, &entry->flags);
 
 	rt2x00queue_index_inc(queue, Q_INDEX);
 	rt2x00queue_write_tx_descriptor(entry, &txdesc);

index 04b2971..8a2fefb 100644
@@ -41,16 +41,16 @@ static int rt2x00rfkill_toggle_radio(void *data, enum rfkill_state state)
 	/*
 	 * Only continue if there are enabled interfaces.
 	 */
-	if (!test_bit(DEVICE_STARTED, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags))
 		return 0;
 
 	if (state == RFKILL_STATE_UNBLOCKED) {
 		INFO(rt2x00dev, "Hardware button pressed, enabling radio.\n");
-		__clear_bit(DEVICE_DISABLED_RADIO_HW, &rt2x00dev->flags);
+		clear_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags);
 		retval = rt2x00lib_enable_radio(rt2x00dev);
 	} else if (state == RFKILL_STATE_SOFT_BLOCKED) {
 		INFO(rt2x00dev, "Hardware button pressed, disabling radio.\n");
-		__set_bit(DEVICE_DISABLED_RADIO_HW, &rt2x00dev->flags);
+		set_bit(DEVICE_STATE_DISABLED_RADIO_HW, &rt2x00dev->flags);
 		rt2x00lib_disable_radio(rt2x00dev);
 	} else {
 		WARNING(rt2x00dev, "Received unexpected rfkill state %d.\n",

index 2050227..2dd7c83 100644
@@ -163,7 +163,7 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
 	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
 	struct txdone_entry_desc txdesc;
 
-	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
 	    !test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
 		return;
 

@@ -232,7 +232,7 @@ static inline void rt2x00usb_kick_tx_entry(struct queue_entry *entry)
 {
 	struct queue_entry_priv_usb *entry_priv = entry->priv_data;
 
-	if (__test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags))
+	if (test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags))
 		usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
 }
 

@@ -283,7 +283,7 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb)
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	u8 rxd[32];
 
-	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags) ||
 	    !test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
 		return;
 

@@ -293,7 +293,7 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb)
 	 * a problem.
 	 */
 	if (urb->actual_length < entry->queue->desc_size || urb->status) {
-		__set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+		set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
 		usb_submit_urb(urb, GFP_ATOMIC);
 		return;
 	}

@@ -361,7 +361,7 @@ void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev,
 			  entry->skb->data, entry->skb->len,
 			  rt2x00usb_interrupt_rxdone, entry);
 
-	__set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
+	set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
 	usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_init_rxentry);

index 23cf93d..9d27ce0 100644
@@ -2121,7 +2121,7 @@ static irqreturn_t rt61pci_interrupt(int irq, void *dev_instance)
 	if (!reg && !reg_mcu)
 		return IRQ_NONE;
 
-	if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags))
+	if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
 		return IRQ_HANDLED;
 
 	/*

index d10a801..2822684 100644
@@ -100,8 +100,21 @@ void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
 {
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
 
-	skbdesc->skb_dma = dma_map_single(rt2x00dev->dev, skb->data, skb->len,
-					  DMA_TO_DEVICE);
+	/*
+	 * If device has requested headroom, we should make sure that
+	 * is also mapped to the DMA so it can be used for transfering
+	 * additional descriptor information to the hardware.
+	 */
+	skb_push(skb, rt2x00dev->hw->extra_tx_headroom);
+
+	skbdesc->skb_dma =
+	    dma_map_single(rt2x00dev->dev, skb->data, skb->len, DMA_TO_DEVICE);
+
+	/*
+	 * Restore data pointer to original location again.
+	 */
+	skb_pull(skb, rt2x00dev->hw->extra_tx_headroom);
+
 	skbdesc->flags |= SKBDESC_DMA_MAPPED_TX;
 }
 EXPORT_SYMBOL_GPL(rt2x00queue_map_txskb);

@@ -117,7 +130,12 @@ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
 	}
 
 	if (skbdesc->flags & SKBDESC_DMA_MAPPED_TX) {
-		dma_unmap_single(rt2x00dev->dev, skbdesc->skb_dma, skb->len,
+		/*
+		 * Add headroom to the skb length, it has been removed
+		 * by the driver, but it was actually mapped to DMA.
+		 */
+		dma_unmap_single(rt2x00dev->dev, skbdesc->skb_dma,
+				 skb->len + rt2x00dev->hw->extra_tx_headroom,
 				 DMA_TO_DEVICE);
 		skbdesc->flags &= ~SKBDESC_DMA_MAPPED_TX;
 	}

index 08095bf..5e4f783 100644
@@ -636,7 +636,6 @@ enum rt2x00_flags {
 	DEVICE_STATE_STARTED_SUSPEND,
 	DEVICE_STATE_ENABLED_RADIO,
 	DEVICE_STATE_DISABLED_RADIO_HW,
-	DEVICE_STATE_DIRTY_CONFIG,
 
 	/*
 	 * Driver requirements

index 330ab77..5278ae2 100644
@@ -1014,21 +1014,11 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
 	if (retval)
 		return retval;
 
-	/*
-	 * Enable radio.
-	 */
-	retval = rt2x00lib_enable_radio(rt2x00dev);
-	if (retval) {
-		rt2x00lib_uninitialize(rt2x00dev);
-		return retval;
-	}
-
 	rt2x00dev->intf_ap_count = 0;
 	rt2x00dev->intf_sta_count = 0;
 	rt2x00dev->intf_associated = 0;
 
 	set_bit(DEVICE_STATE_STARTED, &rt2x00dev->flags);
-	set_bit(DEVICE_STATE_DIRTY_CONFIG, &rt2x00dev->flags);
 
 	return 0;
 }

67 lines not on this page · raw message

index 64292c2..56829fa 100644
@@ -666,10 +666,11 @@ int rt2x00mac_conf_tx(struct ieee80211_hw *hw, u16 queue_idx,
 		queue->cw_max = 10; /* cw_min: 2^10 = 1024. */
 
 	queue->aifs = params->aifs;
+	queue->txop = params->txop;
 
 	INFO(rt2x00dev,
-	     "Configured TX queue %d - CWmin: %d, CWmax: %d, Aifs: %d.\n",
-	     queue_idx, queue->cw_min, queue->cw_max, queue->aifs);
+	     "Configured TX queue %d - CWmin: %d, CWmax: %d, Aifs: %d, TXop: %d.\n",
+	     queue_idx, queue->cw_min, queue->cw_max, queue->aifs, queue->txop);
 
 	return 0;
 }

index 2822684..a5e9650 100644
@@ -736,6 +736,7 @@ static void rt2x00queue_init(struct rt2x00_dev *rt2x00dev,
 
 	queue->rt2x00dev = rt2x00dev;
 	queue->qid = qid;
+	queue->txop = 0;
 	queue->aifs = 2;
 	queue->cw_min = 5;
 	queue->cw_max = 10;

index 37f3f98..654fa0c 100644
@@ -368,6 +368,7 @@ enum queue_index {
  * @length: Number of frames in queue.
  * @index: Index pointers to entry positions in the queue,
  *	use &enum queue_index to get a specific index field.
+ * @txop: maximum burst time.
  * @aifs: The aifs value for outgoing frames (field ignored in RX queue).
  * @cw_min: The cw min value for outgoing frames (field ignored in RX queue).
  * @cw_max: The cw max value for outgoing frames (field ignored in RX queue).

@@ -387,6 +388,7 @@ struct data_queue {
 	unsigned short length;
 	unsigned short index[Q_INDEX_MAX];
 
+	unsigned short txop;
 	unsigned short aifs;
 	unsigned short cw_min;
 	unsigned short cw_max;

87 lines not on this page · raw message

87 lines not on this page · raw message

index 5cc706a..2a96a01 100644
@@ -1316,6 +1316,8 @@ static void rt2500pci_fill_rxdone(struct queue_entry *entry,
 
 	if (rt2x00_get_field32(word0, RXD_W0_OFDM))
 		rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
+	else
+		rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
 	if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
 		rxdesc->dev_flags |= RXDONE_MY_BSS;
 }

index c6be4dd..c5f49e3 100644
@@ -1280,6 +1280,8 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 
 	if (rt2x00_get_field32(word0, RXD_W0_OFDM))
 		rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
+	else
+		rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
 	if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
 		rxdesc->dev_flags |= RXDONE_MY_BSS;
 

index 5278ae2..369b0b2 100644
@@ -653,7 +653,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 
 		if (((rxdesc.dev_flags & RXDONE_SIGNAL_PLCP) &&
 		     (rate->plcp == rxdesc.signal)) ||
-		    (!(rxdesc.dev_flags & RXDONE_SIGNAL_PLCP) &&
+		    ((rxdesc.dev_flags & RXDONE_SIGNAL_BITRATE) &&
 		      (rate->bitrate == rxdesc.signal))) {
 			idx = i;
 			break;

index 654fa0c..9dbf04f 100644
@@ -140,13 +140,14 @@ static inline struct skb_frame_desc* get_skb_frame_desc(struct sk_buff *skb)
 /**
  * enum rxdone_entry_desc_flags: Flags for &struct rxdone_entry_desc
  *
- * @RXDONE_SIGNAL_PLCP: Does the signal field contain the plcp value,
- *	or does it contain the bitrate itself.
+ * @RXDONE_SIGNAL_PLCP: Signal field contains the plcp value.
+ * @RXDONE_SIGNAL_BITRATE: Signal field contains the bitrate value.
  * @RXDONE_MY_BSS: Does this frame originate from device's BSS.
  */
 enum rxdone_entry_desc_flags {
 	RXDONE_SIGNAL_PLCP = 1 << 0,
-	RXDONE_MY_BSS = 1 << 1,
+	RXDONE_SIGNAL_BITRATE = 1 << 1,
+	RXDONE_MY_BSS = 1 << 2,
 };
 
 /**

index 5253710..d740f56 100644
@@ -1991,6 +1991,8 @@ static void rt61pci_fill_rxdone(struct queue_entry *entry,
 
 	if (rt2x00_get_field32(word0, RXD_W0_OFDM))
 		rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
+	else
+		rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
 	if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
 		rxdesc->dev_flags |= RXDONE_MY_BSS;
 }

index 636b4e0..cf236ec 100644
@@ -1766,6 +1766,8 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry,
 
 	if (rt2x00_get_field32(word0, RXD_W0_OFDM))
 		rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
+	else
+		rxdesc->dev_flags |= RXDONE_SIGNAL_BITRATE;
 	if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
 		rxdesc->dev_flags |= RXDONE_MY_BSS;
 

index c5f49e3..0e008b6 100644
@@ -1114,8 +1114,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
 			   test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT,
-			   skb->len - skbdesc->desc_len);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
 	rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
 	rt2x00_desc_write(txd, 0, word);
 }

index 2dd7c83..b73a7e0 100644
@@ -168,11 +168,6 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
 		return;
 
 	/*
-	 * Remove the descriptor data from the buffer.
-	 */
-	skb_pull(entry->skb, entry->queue->desc_size);
-
-	/*
 	 * Obtain the status about this packet.
 	 * Note that when the status is 0 it does not mean the
 	 * frame was send out correctly. It only means the frame

@@ -224,6 +219,12 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry)
 			  entry->skb->data, length,
 			  rt2x00usb_interrupt_txdone, entry);
 
+	/*
+	 * Make sure the skb->data pointer points to the frame, not the
+	 * descriptor.
+	 */
+	skb_pull(entry->skb, entry->queue->desc_size);
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data);

index cf236ec..e698ae0 100644
@@ -1556,8 +1556,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W0_KEY_TABLE,
 			   test_bit(ENTRY_TXD_ENCRYPT_PAIRWISE, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_KEY_INDEX, txdesc->key_idx);
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT,
-			   skb->len - skbdesc->desc_len);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
 	rt2x00_set_field32(&word, TXD_W0_BURST2,
 			   test_bit(ENTRY_TXD_BURST, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, txdesc->cipher);

index 5e4f783..6f296ce 100644
@@ -44,7 +44,7 @@
 /*
  * Module information.
  */
-#define DRV_VERSION	"2.2.0"
+#define DRV_VERSION	"2.2.1"
 #define DRV_PROJECT	"http://rt2x00.serialmonkey.com"
 
 /*