rt2x00: Remove CTS/RTS check in tx()
[safe/jmp/linux-2.6] / drivers / net / wireless / rt2x00 / rt2x00usb.c
index df66210..52d12fd 100644 (file)
@@ -129,9 +129,9 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
 {
        struct queue_entry *entry = (struct queue_entry *)urb->context;
        struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
-       struct queue_entry_priv_usb_tx *priv_tx = entry->priv_data;
        struct txdone_entry_desc txdesc;
        __le32 *txd = (__le32 *)entry->skb->data;
+       enum data_queue_qid qid = skb_get_queue_mapping(entry->skb);
        u32 word;
 
        if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) ||
@@ -159,7 +159,6 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
        else
                __set_bit(TXDONE_FAILURE, &txdesc.flags);
        txdesc.retry = 0;
-       txdesc.control = &priv_tx->control;
 
        rt2x00lib_txdone(entry, &txdesc);
 
@@ -175,16 +174,15 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb)
         * is reenabled when the txdone handler has finished.
         */
        if (!rt2x00queue_full(entry->queue))
-               ieee80211_wake_queue(rt2x00dev->hw, priv_tx->control.queue);
+               ieee80211_wake_queue(rt2x00dev->hw, qid);
 }
 
 int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
-                           struct data_queue *queue, struct sk_buff *skb,
-                           struct ieee80211_tx_control *control)
+                           struct data_queue *queue, struct sk_buff *skb)
 {
        struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
        struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
-       struct queue_entry_priv_usb_tx *priv_tx = entry->priv_data;
+       struct queue_entry_priv_usb *entry_priv = entry->priv_data;
        struct skb_frame_desc *skbdesc;
        struct txentry_desc txdesc;
        u32 length;
@@ -206,7 +204,7 @@ int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
         * for our information.
         */
        entry->skb = skb;
-       rt2x00queue_create_tx_descriptor(entry, &txdesc, control);
+       rt2x00queue_create_tx_descriptor(entry, &txdesc);
 
        /*
         * Add the descriptor in front of the skb.
@@ -218,13 +216,13 @@ int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
         * 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 = skb->len - queue->desc_size;
        skbdesc->desc = skb->data;
        skbdesc->desc_len = queue->desc_size;
        skbdesc->entry = entry;
 
-       memcpy(&priv_tx->control, control, sizeof(priv_tx->control));
        rt2x00queue_write_tx_descriptor(entry, &txdesc);
 
        /*
@@ -238,9 +236,9 @@ int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev,
         * Initialize URB and send the frame to the device.
         */
        __set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
-       usb_fill_bulk_urb(priv_tx->urb, usb_dev, usb_sndbulkpipe(usb_dev, 1),
+       usb_fill_bulk_urb(entry_priv->urb, usb_dev, usb_sndbulkpipe(usb_dev, 1),
                          skb->data, length, rt2x00usb_interrupt_txdone, entry);
-       usb_submit_urb(priv_tx->urb, GFP_ATOMIC);
+       usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
 
        rt2x00queue_index_inc(queue, Q_INDEX);
 
@@ -380,10 +378,8 @@ skip_entry:
  */
 void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
 {
-       struct queue_entry_priv_usb_rx *priv_rx;
-       struct queue_entry_priv_usb_tx *priv_tx;
-       struct queue_entry_priv_usb_bcn *priv_bcn;
-       struct data_queue *queue;
+       struct queue_entry_priv_usb *entry_priv;
+       struct queue_entry_priv_usb_bcn *bcn_priv;
        unsigned int i;
 
        rt2x00usb_vendor_request_sw(rt2x00dev, USB_RX_CONTROL, 0, 0,
@@ -393,31 +389,17 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev)
         * Cancel all queues.
         */
        for (i = 0; i < rt2x00dev->rx->limit; i++) {
-               priv_rx = rt2x00dev->rx->entries[i].priv_data;
-               usb_kill_urb(priv_rx->urb);
-       }
-
-       tx_queue_for_each(rt2x00dev, queue) {
-               for (i = 0; i < queue->limit; i++) {
-                       priv_tx = queue->entries[i].priv_data;
-                       usb_kill_urb(priv_tx->urb);
-               }
+               entry_priv = rt2x00dev->rx->entries[i].priv_data;
+               usb_kill_urb(entry_priv->urb);
        }
 
+       /*
+        * Kill guardian urb.
+        */
        for (i = 0; i < rt2x00dev->bcn->limit; i++) {
-               priv_bcn = rt2x00dev->bcn->entries[i].priv_data;
-               usb_kill_urb(priv_bcn->urb);
-
-               if (priv_bcn->guardian_urb)
-                       usb_kill_urb(priv_bcn->guardian_urb);
-       }
-
-       if (!test_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags))
-               return;
-
-       for (i = 0; i < rt2x00dev->bcn[1].limit; i++) {
-               priv_tx = rt2x00dev->bcn[1].entries[i].priv_data;
-               usb_kill_urb(priv_tx->urb);
+               bcn_priv = rt2x00dev->bcn->entries[i].priv_data;
+               if (bcn_priv->guardian_urb)
+                       usb_kill_urb(bcn_priv->guardian_urb);
        }
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio);
@@ -429,15 +411,15 @@ void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev,
                            struct queue_entry *entry)
 {
        struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
-       struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data;
+       struct queue_entry_priv_usb *entry_priv = entry->priv_data;
 
-       usb_fill_bulk_urb(priv_rx->urb, usb_dev,
+       usb_fill_bulk_urb(entry_priv->urb, usb_dev,
                          usb_rcvbulkpipe(usb_dev, 1),
                          entry->skb->data, entry->skb->len,
                          rt2x00usb_interrupt_rxdone, entry);
 
        __set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
-       usb_submit_urb(priv_rx->urb, GFP_ATOMIC);
+       usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
 }
 EXPORT_SYMBOL_GPL(rt2x00usb_init_rxentry);
 
@@ -451,38 +433,31 @@ EXPORT_SYMBOL_GPL(rt2x00usb_init_txentry);
 static int rt2x00usb_alloc_urb(struct rt2x00_dev *rt2x00dev,
                               struct data_queue *queue)
 {
-       struct queue_entry_priv_usb_rx *priv_rx;
-       struct queue_entry_priv_usb_tx *priv_tx;
-       struct queue_entry_priv_usb_bcn *priv_bcn;
-       struct urb *urb;
-       unsigned int guardian =
-           test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
+       struct queue_entry_priv_usb *entry_priv;
+       struct queue_entry_priv_usb_bcn *bcn_priv;
        unsigned int i;
 
+       for (i = 0; i < queue->limit; i++) {
+               entry_priv = queue->entries[i].priv_data;
+               entry_priv->urb = usb_alloc_urb(0, GFP_KERNEL);
+               if (!entry_priv->urb)
+                       return -ENOMEM;
+       }
+
        /*
-        * Allocate the URB's
+        * If this is not the beacon queue or
+        * no guardian byte was required for the beacon,
+        * then we are done.
         */
+       if (rt2x00dev->bcn != queue ||
+           !test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags))
+               return 0;
+
        for (i = 0; i < queue->limit; i++) {
-               urb = usb_alloc_urb(0, GFP_KERNEL);
-               if (!urb)
+               bcn_priv = queue->entries[i].priv_data;
+               bcn_priv->guardian_urb = usb_alloc_urb(0, GFP_KERNEL);
+               if (!bcn_priv->guardian_urb)
                        return -ENOMEM;
-
-               if (queue->qid == QID_RX) {
-                       priv_rx = queue->entries[i].priv_data;
-                       priv_rx->urb = urb;
-               } else if (queue->qid == QID_MGMT && guardian) {
-                       priv_bcn = queue->entries[i].priv_data;
-                       priv_bcn->urb = urb;
-
-                       urb = usb_alloc_urb(0, GFP_KERNEL);
-                       if (!urb)
-                               return -ENOMEM;
-
-                       priv_bcn->guardian_urb = urb;
-               } else {
-                       priv_tx = queue->entries[i].priv_data;
-                       priv_tx->urb = urb;
-               }
        }
 
        return 0;
@@ -491,38 +466,35 @@ static int rt2x00usb_alloc_urb(struct rt2x00_dev *rt2x00dev,
 static void rt2x00usb_free_urb(struct rt2x00_dev *rt2x00dev,
                               struct data_queue *queue)
 {
-       struct queue_entry_priv_usb_rx *priv_rx;
-       struct queue_entry_priv_usb_tx *priv_tx;
-       struct queue_entry_priv_usb_bcn *priv_bcn;
-       struct urb *urb;
-       unsigned int guardian =
-           test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
+       struct queue_entry_priv_usb *entry_priv;
+       struct queue_entry_priv_usb_bcn *bcn_priv;
        unsigned int i;
 
        if (!queue->entries)
                return;
 
        for (i = 0; i < queue->limit; i++) {
-               if (queue->qid == QID_RX) {
-                       priv_rx = queue->entries[i].priv_data;
-                       urb = priv_rx->urb;
-               } else if (queue->qid == QID_MGMT && guardian) {
-                       priv_bcn = queue->entries[i].priv_data;
-
-                       usb_kill_urb(priv_bcn->guardian_urb);
-                       usb_free_urb(priv_bcn->guardian_urb);
-
-                       urb = priv_bcn->urb;
-               } else {
-                       priv_tx = queue->entries[i].priv_data;
-                       urb = priv_tx->urb;
-               }
-
-               usb_kill_urb(urb);
-               usb_free_urb(urb);
+               entry_priv = queue->entries[i].priv_data;
+               usb_kill_urb(entry_priv->urb);
+               usb_free_urb(entry_priv->urb);
                if (queue->entries[i].skb)
                        kfree_skb(queue->entries[i].skb);
        }
+
+       /*
+        * If this is not the beacon queue or
+        * no guardian byte was required for the beacon,
+        * then we are done.
+        */
+       if (rt2x00dev->bcn != queue ||
+           !test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags))
+               return;
+
+       for (i = 0; i < queue->limit; i++) {
+               bcn_priv = queue->entries[i].priv_data;
+               usb_kill_urb(bcn_priv->guardian_urb);
+               usb_free_urb(bcn_priv->guardian_urb);
+       }
 }
 
 int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev)