diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00usb.c | 38 |
1 files changed, 16 insertions, 22 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 99fa4161440..507085facb8 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -298,12 +298,22 @@ static bool rt2x00usb_kick_tx_entry(struct queue_entry *entry, void* data) return false; /* - * USB devices cannot blindly pass the skb->len as the - * length of the data to usb_fill_bulk_urb. Pass the skb - * to the driver to determine what the length should be. + * USB devices require certain padding at the end of each frame + * and urb. Those paddings are not included in skbs. Pass entry + * to the driver to determine what the overall length should be. */ length = rt2x00dev->ops->lib->get_tx_data_len(entry); + status = skb_padto(entry->skb, length); + if (unlikely(status)) { + /* TODO: report something more appropriate than IO_FAILED. */ + WARNING(rt2x00dev, "TX SKB padding error, out of memory\n"); + set_bit(ENTRY_DATA_IO_FAILED, &entry->flags); + rt2x00lib_dmadone(entry); + + return false; + } + usb_fill_bulk_urb(entry_priv->urb, usb_dev, usb_sndbulkpipe(usb_dev, entry->queue->usb_endpoint), entry->skb->data, length, @@ -516,22 +526,6 @@ static void rt2x00usb_watchdog_tx_dma(struct data_queue *queue) rt2x00queue_flush_queue(queue, true); } -static void rt2x00usb_watchdog_tx_status(struct data_queue *queue) -{ - WARNING(queue->rt2x00dev, "TX queue %d status timed out," - " invoke forced tx handler\n", queue->qid); - - queue_work(queue->rt2x00dev->workqueue, &queue->rt2x00dev->txdone_work); -} - -static int rt2x00usb_status_timeout(struct data_queue *queue) -{ - struct queue_entry *entry; - - entry = rt2x00queue_get_entry(queue, Q_INDEX_DONE); - return rt2x00queue_status_timeout(entry); -} - static int rt2x00usb_dma_timeout(struct data_queue *queue) { struct queue_entry *entry; @@ -548,8 +542,6 @@ void rt2x00usb_watchdog(struct rt2x00_dev *rt2x00dev) if (!rt2x00queue_empty(queue)) { if (rt2x00usb_dma_timeout(queue)) rt2x00usb_watchdog_tx_dma(queue); - if (rt2x00usb_status_timeout(queue)) - rt2x00usb_watchdog_tx_status(queue); } } } @@ -799,6 +791,7 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, int retval; usb_dev = usb_get_dev(usb_dev); + usb_reset_device(usb_dev); hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw); if (!hw) { @@ -818,7 +811,8 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, INIT_WORK(&rt2x00dev->rxdone_work, rt2x00usb_work_rxdone); INIT_WORK(&rt2x00dev->txdone_work, rt2x00usb_work_txdone); - init_timer(&rt2x00dev->txstatus_timer); + hrtimer_init(&rt2x00dev->txstatus_timer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); retval = rt2x00usb_alloc_reg(rt2x00dev); if (retval) |