diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index fa40d434e729..fca661c2e2a3 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1440,7 +1440,7 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, struct txentry_desc *txdesc) { struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb); - __le32 *txd = skbdesc->desc; + __le32 *txd = (__le32 *)(skb->data - TXD_DESC_SIZE); u32 word; /* @@ -1499,6 +1499,12 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, TXPOWER_TO_DEV(rt2x00dev->tx_power)); rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1); rt2x00_desc_write(txd, 5, word); + + /* + * Register descriptor details in skb frame descriptor. + */ + skbdesc->desc = txd; + skbdesc->desc_len = TXD_DESC_SIZE; } /* @@ -1508,18 +1514,10 @@ static void rt73usb_write_beacon(struct queue_entry *entry, struct txentry_desc *txdesc) { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; /* - * Add the descriptor in front of the skb. - */ - skb_push(entry->skb, entry->queue->desc_size); - memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); - skbdesc->desc = entry->skb->data; - - /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ @@ -1528,6 +1526,11 @@ static void rt73usb_write_beacon(struct queue_entry *entry, rt2x00usb_register_write(rt2x00dev, TXRX_CSR9, reg); /* + * Take the descriptor in front of the skb into account. + */ + skb_push(entry->skb, TXD_DESC_SIZE); + + /* * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); |