static bool rt2x00usb_kick_rx_entry(struct queue_entry *entry, void *data)
{
struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
struct queue_entry_priv_usb *entry_priv = entry->priv_data;
int status;
if (test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags) ||
test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
return false;
rt2x00lib_dmastart(entry);
usb_fill_bulk_urb(entry_priv->urb, usb_dev,
usb_rcvbulkpipe(usb_dev, entry->queue->usb_endpoint),
entry->skb->data, entry->skb->len,
rt2x00usb_interrupt_rxdone, entry);
status = usb_submit_urb(entry_priv->urb, GFP_ATOMIC);
if (status) {
if (status == -ENODEV)
clear_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
set_bit(ENTRY_DATA_IO_FAILED, &entry->flags);
rt2x00lib_dmadone(entry);
}
return false;
}
bool rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev)
{
struct data_queue *queue = rt2x00dev->rx;
struct queue_entry *entry;
struct queue_entry_priv_pci *entry_priv;
struct skb_frame_desc *skbdesc;
int max_rx = 16;
while (--max_rx) {
entry = rt2x00queue_get_entry(queue, Q_INDEX);
entry_priv = entry->priv_data;
if (rt2x00dev->ops->lib->get_entry_state(entry))
break;
/*
* Fill in desc fields of the skb descriptor
*/
skbdesc = get_skb_frame_desc(entry->skb);
skbdesc->desc = entry_priv->desc;
skbdesc->desc_len = entry->queue->desc_size;
/*
* DMA is already done, notify rt2x00lib that
* it finished successfully.
*/
rt2x00lib_dmastart(entry);
rt2x00lib_dmadone(entry);
/*
* Send the frame to rt2x00lib for further processing.
*/
rt2x00lib_rxdone(entry);
}
return !max_rx;
}