ret = wl1251_tx_frame(wl, skb);
if (ret == -EBUSY) {
- /* firmware buffer is full, stop queues */
- wl1251_debug(DEBUG_TX, "tx_work: fw buffer full, "
- "stop queues");
- ieee80211_stop_queues(wl->hw);
- wl->tx_queue_stopped = true;
skb_queue_head(&wl->tx_queue, skb);
goto out;
} else if (ret < 0) {
{
int i, result_index, num_complete = 0;
struct tx_result result[FW_TX_CMPLT_BLOCK_SIZE], *result_ptr;
+ unsigned long flags;
if (unlikely(wl->state != WL1251_STATE_ON))
return;
}
}
+ if (wl->tx_queue_stopped
+ &&
+ skb_queue_len(&wl->tx_queue) <= WL1251_TX_QUEUE_LOW_WATERMARK){
+
+ /* firmware buffer has space, restart queues */
+ wl1251_debug(DEBUG_TX, "tx_complete: waking queues");
+ spin_lock_irqsave(&wl->wl_lock, flags);
+ ieee80211_wake_queues(wl->hw);
+ wl->tx_queue_stopped = false;
+ spin_unlock_irqrestore(&wl->wl_lock, flags);
+ ieee80211_queue_work(wl->hw, &wl->tx_work);
+
+ }
+
/* Every completed frame needs to be acknowledged */
if (num_complete) {
/*