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authorIvo van Doorn <IvDoorn@gmail.com>2008-01-24 01:56:25 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:05:07 -0800
commit08992f7fb139c7dbaf593402312ee5a055352f05 (patch)
treecfa1459e4940cf493438a3db950b5339dae4ca88 /drivers/net/wireless/rt2x00/rt61pci.c
parent22c96c28b47ce74d78aad1afbed88b26f43ce24b (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/rt61pci.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt61pci.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 52622d32ea4..0693b3920e6 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2408,6 +2408,9 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_tx_control *control)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
+ struct skb_desc *desc;
+ struct data_ring *ring;
+ struct data_entry *entry;
/*
* Just in case the ieee80211 doesn't set this,
@@ -2415,6 +2418,8 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
* initialization.
*/
control->queue = IEEE80211_TX_QUEUE_BEACON;
+ ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
+ entry = rt2x00_get_data_entry(ring);
/*
* We need to append the descriptor in front of the
@@ -2428,15 +2433,23 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
}
/*
- * 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);
+
+ /*
+ * Fill in skb descriptor
*/
- skb_push(skb, TXD_DESC_SIZE);
- memset(skb->data, 0, TXD_DESC_SIZE);
+ 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 = entry;
- rt2x00lib_write_tx_desc(rt2x00dev, (__le32 *)skb->data,
- (struct ieee80211_hdr *)(skb->data +
- TXD_DESC_SIZE),
- skb->len - TXD_DESC_SIZE, control);
+ rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
* Write entire beacon with descriptor to register,