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path: root/drivers/net/wireless/rt2x00/rt2x00queue.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 29d2b9128533..49d3bb84ab6b 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -77,7 +77,6 @@ struct sk_buff *rt2x00queue_alloc_rxskb(struct rt2x00_dev *rt2x00dev,
return skb;
}
-EXPORT_SYMBOL_GPL(rt2x00queue_alloc_rxskb);
void rt2x00queue_map_txskb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
{
@@ -105,7 +104,6 @@ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
skbdesc->flags &= ~SKBDESC_DMA_MAPPED_TX;
}
}
-EXPORT_SYMBOL_GPL(rt2x00queue_unmap_skb);
void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
{
@@ -123,7 +121,6 @@ void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb)
dev_kfree_skb_any(skb);
}
-EXPORT_SYMBOL_GPL(rt2x00queue_free_skb);
void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
struct txentry_desc *txdesc)
@@ -289,6 +286,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
{
struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX);
struct txentry_desc txdesc;
+ struct skb_frame_desc *skbdesc;
if (unlikely(rt2x00queue_full(queue)))
return -EINVAL;
@@ -309,11 +307,21 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb)
entry->skb = skb;
rt2x00queue_create_tx_descriptor(entry, &txdesc);
+ /*
+ * skb->cb array is now ours and we are free to use it.
+ */
+ skbdesc = get_skb_frame_desc(entry->skb);
+ memset(skbdesc, 0, sizeof(*skbdesc));
+ skbdesc->entry = entry;
+
if (unlikely(queue->rt2x00dev->ops->lib->write_tx_data(entry))) {
__clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
return -EIO;
}
+ if (test_bit(DRIVER_REQUIRE_DMA, &queue->rt2x00dev->flags))
+ rt2x00queue_map_txskb(queue->rt2x00dev, skb);
+
__set_bit(ENTRY_DATA_PENDING, &entry->flags);
rt2x00queue_index_inc(queue, Q_INDEX);
@@ -389,7 +397,6 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index)
spin_unlock_irqrestore(&queue->lock, irqflags);
}
-EXPORT_SYMBOL_GPL(rt2x00queue_index_inc);
static void rt2x00queue_reset(struct data_queue *queue)
{