diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 103 |
1 files changed, 21 insertions, 82 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 3080969ae5b..83862e7f7ae 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -40,7 +40,7 @@ int rt2x00usb_vendor_request(struct rt2x00_dev *rt2x00dev, void *buffer, const u16 buffer_length, const int timeout) { - struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev); + struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); int status; unsigned int i; unsigned int pipe = @@ -130,10 +130,9 @@ 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 txdone_entry_desc txdesc; - enum data_queue_qid qid = skb_get_queue_mapping(entry->skb); if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) || - !__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) + !test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) return; /* @@ -157,26 +156,12 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb) txdesc.retry = 0; rt2x00lib_txdone(entry, &txdesc); - - /* - * Make this entry available for reuse. - */ - entry->flags = 0; - rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE); - - /* - * If the data queue was below the threshold before the txdone - * handler we must make sure the packet queue in the mac80211 stack - * is reenabled when the txdone handler has finished. - */ - if (!rt2x00queue_threshold(entry->queue)) - ieee80211_wake_queue(rt2x00dev->hw, qid); } int rt2x00usb_write_tx_data(struct queue_entry *entry) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev); + struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); struct queue_entry_priv_usb *entry_priv = entry->priv_data; struct skb_frame_desc *skbdesc; u32 length; @@ -191,10 +176,8 @@ int rt2x00usb_write_tx_data(struct queue_entry *entry) * Fill in skb descriptor */ skbdesc = get_skb_frame_desc(entry->skb); - memset(skbdesc, 0, sizeof(*skbdesc)); skbdesc->desc = entry->skb->data; skbdesc->desc_len = entry->queue->desc_size; - skbdesc->entry = entry; /* * USB devices cannot blindly pass the skb->len as the @@ -264,13 +247,11 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) { struct queue_entry *entry = (struct queue_entry *)urb->context; struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct sk_buff *skb; - struct skb_frame_desc *skbdesc; - struct rxdone_entry_desc rxdesc; + struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); u8 rxd[32]; if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) || - !test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) + !test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) return; /* @@ -278,50 +259,22 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) * to be actually valid, or if the urb is signaling * a problem. */ - if (urb->actual_length < entry->queue->desc_size || urb->status) - goto skip_entry; + if (urb->actual_length < entry->queue->desc_size || urb->status) { + __set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); + usb_submit_urb(urb, GFP_ATOMIC); + return; + } /* - * Fill in skb descriptor + * Fill in desc fields of the skb descriptor */ - skbdesc = get_skb_frame_desc(entry->skb); - memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->entry = entry; skbdesc->desc = rxd; skbdesc->desc_len = entry->queue->desc_size; - memset(&rxdesc, 0, sizeof(rxdesc)); - rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc); - - /* - * Allocate a new sk buffer to replace the current one. - * If allocation fails, we should drop the current frame - * so we can recycle the existing sk buffer for the new frame. - */ - skb = rt2x00queue_alloc_rxskb(entry->queue); - if (!skb) - goto skip_entry; - /* * Send the frame to rt2x00lib for further processing. */ - rt2x00lib_rxdone(entry, &rxdesc); - - /* - * Replace current entry's skb with the newly allocated one, - * and reinitialize the urb. - */ - entry->skb = skb; - urb->transfer_buffer = entry->skb->data; - urb->transfer_buffer_length = entry->skb->len; - -skip_entry: - if (test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags)) { - __set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); - usb_submit_urb(urb, GFP_ATOMIC); - } - - rt2x00queue_index_inc(entry->queue, Q_INDEX); + rt2x00lib_rxdone(rt2x00dev, entry); } /* @@ -331,6 +284,7 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) { struct queue_entry_priv_usb *entry_priv; struct queue_entry_priv_usb_bcn *bcn_priv; + struct data_queue *queue; unsigned int i; rt2x00usb_vendor_request_sw(rt2x00dev, USB_RX_CONTROL, 0, 0, @@ -339,9 +293,11 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) /* * Cancel all queues. */ - for (i = 0; i < rt2x00dev->rx->limit; i++) { - entry_priv = rt2x00dev->rx->entries[i].priv_data; - usb_kill_urb(entry_priv->urb); + queue_for_each(rt2x00dev, queue) { + for (i = 0; i < queue->limit; i++) { + entry_priv = queue->entries[i].priv_data; + usb_kill_urb(entry_priv->urb); + } } /* @@ -364,7 +320,7 @@ EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio); void rt2x00usb_init_rxentry(struct rt2x00_dev *rt2x00dev, struct queue_entry *entry) { - struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev); + struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev); struct queue_entry_priv_usb *entry_priv = entry->priv_data; usb_fill_bulk_urb(entry_priv->urb, usb_dev, @@ -431,8 +387,6 @@ static void rt2x00usb_free_urb(struct rt2x00_dev *rt2x00dev, 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); } /* @@ -454,10 +408,7 @@ static void rt2x00usb_free_urb(struct rt2x00_dev *rt2x00dev, int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue; - struct sk_buff *skb; - unsigned int entry_size; - unsigned int i; - int uninitialized_var(status); + int status; /* * Allocate DMA @@ -468,18 +419,6 @@ int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev) goto exit; } - /* - * For the RX queue, skb's should be allocated. - */ - entry_size = rt2x00dev->rx->data_size + rt2x00dev->rx->desc_size; - for (i = 0; i < rt2x00dev->rx->limit; i++) { - skb = rt2x00queue_alloc_rxskb(rt2x00dev->rx); - if (!skb) - goto exit; - - rt2x00dev->rx->entries[i].skb = skb; - } - return 0; exit: @@ -558,7 +497,7 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, usb_set_intfdata(usb_intf, hw); rt2x00dev = hw->priv; - rt2x00dev->dev = usb_intf; + rt2x00dev->dev = &usb_intf->dev; rt2x00dev->ops = ops; rt2x00dev->hw = hw; mutex_init(&rt2x00dev->usb_cache_mutex); |