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rt2x00: separte clearing entry from rt2x00lib_txdone

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This makes rt2x00lib_txdone a bit simpler and will allow to reuse
code in different variant of txdone which I'm preparing.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Stanislaw Gruszka 2017-02-15 10:25:07 +01:00 committed by Kalle Valo
parent 5edb05afeb
commit 56646adf9c
1 changed files with 29 additions and 22 deletions
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51
drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
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@ -391,6 +391,32 @@ static void rt2x00lib_fill_tx_status(struct rt2x00_dev *rt2x00dev,
}
}
static void rt2x00lib_clear_entry(struct rt2x00_dev *rt2x00dev,
struct queue_entry *entry)
{
/*
* Make this entry available for reuse.
*/
entry->skb = NULL;
entry->flags = 0;
rt2x00dev->ops->lib->clear_entry(entry);
rt2x00queue_index_inc(entry, Q_INDEX_DONE);
/*
* If the data queue was below the threshold before the txdone
* handler we must make sure the packet queue in the mac80211 stack
* is reenabled when the txdone handler has finished. This has to be
* serialized with rt2x00mac_tx(), otherwise we can wake up queue
* before it was stopped.
*/
spin_lock_bh(&entry->queue->tx_lock);
if (!rt2x00queue_threshold(entry->queue))
rt2x00queue_unpause_queue(entry->queue);
spin_unlock_bh(&entry->queue->tx_lock);
}
void rt2x00lib_txdone(struct queue_entry *entry,
struct txdone_entry_desc *txdesc)
{
@ -471,30 +497,11 @@ void rt2x00lib_txdone(struct queue_entry *entry,
ieee80211_tx_status(rt2x00dev->hw, entry->skb);
else
ieee80211_tx_status_ni(rt2x00dev->hw, entry->skb);
} else
} else {
dev_kfree_skb_any(entry->skb);
}
/*
* Make this entry available for reuse.
*/
entry->skb = NULL;
entry->flags = 0;
rt2x00dev->ops->lib->clear_entry(entry);
rt2x00queue_index_inc(entry, Q_INDEX_DONE);
/*
* If the data queue was below the threshold before the txdone
* handler we must make sure the packet queue in the mac80211 stack
* is reenabled when the txdone handler has finished. This has to be
* serialized with rt2x00mac_tx(), otherwise we can wake up queue
* before it was stopped.
*/
spin_lock_bh(&entry->queue->tx_lock);
if (!rt2x00queue_threshold(entry->queue))
rt2x00queue_unpause_queue(entry->queue);
spin_unlock_bh(&entry->queue->tx_lock);
rt2x00lib_clear_entry(rt2x00dev, entry);
}
EXPORT_SYMBOL_GPL(rt2x00lib_txdone);