diff options
| author | Ivo van Doorn <IvDoorn@gmail.com> | 2008-01-24 01:56:25 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:05:07 -0800 |
| commit | 08992f7fb139c7dbaf593402312ee5a055352f05 (patch) | |
| tree | cfa1459e4940cf493438a3db950b5339dae4ca88 /drivers/net/wireless/rt2x00/rt2500usb.c | |
| parent | 22c96c28b47ce74d78aad1afbed88b26f43ce24b (diff) | |
rt2x00: Add skb descriptor
Use the skb->cb field to add a frame description that can be used
to transfer information passed each rt2x00 layer. This reduces the
required arguments for rt2x00lib_write_tx_desc().
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2500usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2500usb.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 15ab4b20d067..2a38388a79e1 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1686,8 +1686,8 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw, struct rt2x00_dev *rt2x00dev = hw->priv; struct usb_device *usb_dev = interface_to_usbdev(rt2x00dev_usb(rt2x00dev)); - struct data_ring *ring = - rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON); + struct skb_desc *desc; + struct data_ring *ring; struct data_entry *beacon; struct data_entry *guardian; int pipe = usb_sndbulkpipe(usb_dev, 1); @@ -1699,6 +1699,7 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw, * initialization. */ control->queue = IEEE80211_TX_QUEUE_BEACON; + ring = rt2x00lib_get_ring(rt2x00dev, control->queue); /* * Obtain 2 entries, one for the guardian byte, @@ -1709,23 +1710,34 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw, beacon = rt2x00_get_data_entry(ring); /* - * First we create the beacon. + * Add the descriptor in front of the skb. */ skb_push(skb, ring->desc_size); memset(skb->data, 0, ring->desc_size); - rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data, - (struct ieee80211_hdr *)(skb->data + - ring->desc_size), - skb->len - ring->desc_size, control); + /* + * Fill in skb descriptor + */ + desc = get_skb_desc(skb); + desc->desc_len = ring->desc_size; + desc->data_len = skb->len - ring->desc_size; + desc->desc = skb->data; + desc->data = skb->data + ring->desc_size; + desc->ring = ring; + desc->entry = beacon; + + rt2x00lib_write_tx_desc(rt2x00dev, skb, control); + /* + * 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. + */ length = rt2500usb_get_tx_data_len(rt2x00dev, skb); usb_fill_bulk_urb(beacon->priv, usb_dev, pipe, skb->data, length, rt2500usb_beacondone, beacon); - beacon->skb = skb; - /* * Second we need to create the guardian byte. * We only need a single byte, so lets recycle |