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>
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index cf0bb5d..c1d7c10 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -38,9 +38,9 @@
struct ieee80211_tx_control *control)
{
struct rt2x00_dev *rt2x00dev = hw->priv;
- struct data_ring *ring =
- rt2x00lib_get_ring(rt2x00dev, IEEE80211_TX_QUEUE_BEACON);
- struct data_entry *entry = rt2x00_get_data_entry(ring);
+ struct skb_desc *desc;
+ struct data_ring *ring;
+ struct data_entry *entry;
/*
* Just in case mac80211 doesn't set this correctly,
@@ -48,14 +48,22 @@
* initialization.
*/
control->queue = IEEE80211_TX_QUEUE_BEACON;
+ ring = rt2x00lib_get_ring(rt2x00dev, control->queue);
+ entry = rt2x00_get_data_entry(ring);
/*
- * Update the beacon entry.
+ * Fill in skb descriptor
*/
+ desc = get_skb_desc(skb);
+ desc->desc_len = ring->desc_size;
+ desc->data_len = skb->len;
+ desc->desc = entry->priv;
+ desc->data = skb->data;
+ desc->ring = ring;
+ desc->entry = entry;
+
memcpy(entry->data_addr, skb->data, skb->len);
- rt2x00lib_write_tx_desc(rt2x00dev, entry->priv,
- (struct ieee80211_hdr *)skb->data,
- skb->len, control);
+ rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
/*
* Enable beacon generation.
@@ -73,9 +81,9 @@
struct data_ring *ring, struct sk_buff *skb,
struct ieee80211_tx_control *control)
{
- struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data;
struct data_entry *entry = rt2x00_get_data_entry(ring);
__le32 *txd = entry->priv;
+ struct skb_desc *desc;
u32 word;
if (rt2x00_ring_full(ring)) {
@@ -95,11 +103,19 @@
return -EINVAL;
}
- entry->skb = skb;
- memcpy(&entry->tx_status.control, control, sizeof(*control));
+ /*
+ * Fill in skb descriptor
+ */
+ desc = get_skb_desc(skb);
+ desc->desc_len = ring->desc_size;
+ desc->data_len = skb->len;
+ desc->desc = entry->priv;
+ desc->data = skb->data;
+ desc->ring = ring;
+ desc->entry = entry;
+
memcpy(entry->data_addr, skb->data, skb->len);
- rt2x00lib_write_tx_desc(rt2x00dev, txd, ieee80211hdr,
- skb->len, control);
+ rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
rt2x00_ring_index_inc(ring);
@@ -119,6 +135,7 @@
struct data_entry *entry;
struct sk_buff *skb;
struct ieee80211_hdr *hdr;
+ struct skb_desc *skbdesc;
struct rxdata_entry_desc desc;
int header_size;
__le32 *rxd;
@@ -133,7 +150,7 @@
if (rt2x00_get_field32(word, RXD_ENTRY_OWNER_NIC))
break;
- memset(&desc, 0x00, sizeof(desc));
+ memset(&desc, 0, sizeof(desc));
rt2x00dev->ops->lib->fill_rxdone(entry, &desc);
hdr = (struct ieee80211_hdr *)entry->data_addr;
@@ -158,6 +175,17 @@
memcpy(skb_put(skb, desc.size), entry->data_addr, desc.size);
/*
+ * Fill in skb descriptor
+ */
+ skbdesc = get_skb_desc(skb);
+ skbdesc->desc_len = desc.size;
+ skbdesc->data_len = entry->ring->desc_size;
+ skbdesc->desc = entry->priv;
+ skbdesc->data = skb->data;
+ skbdesc->ring = ring;
+ skbdesc->entry = entry;
+
+ /*
* Send the frame to rt2x00lib for further processing.
*/
rt2x00lib_rxdone(entry, skb, &desc);