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path: root/drivers/net/wireless/wl12xx/wl1251_tx.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_tx.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1251_tx.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251_tx.c b/drivers/net/wireless/wl12xx/wl1251_tx.c
index 6634b3e27cfc..388492a7f41f 100644
--- a/drivers/net/wireless/wl12xx/wl1251_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1251_tx.c
@@ -4,8 +4,6 @@
4 * Copyright (c) 1998-2007 Texas Instruments Incorporated 4 * Copyright (c) 1998-2007 Texas Instruments Incorporated
5 * Copyright (C) 2008 Nokia Corporation 5 * Copyright (C) 2008 Nokia Corporation
6 * 6 *
7 * Contact: Kalle Valo <kalle.valo@nokia.com>
8 *
9 * This program is free software; you can redistribute it and/or 7 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License 8 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation. 9 * version 2 as published by the Free Software Foundation.
@@ -322,11 +320,6 @@ void wl1251_tx_work(struct work_struct *work)
322 320
323 ret = wl1251_tx_frame(wl, skb); 321 ret = wl1251_tx_frame(wl, skb);
324 if (ret == -EBUSY) { 322 if (ret == -EBUSY) {
325 /* firmware buffer is full, stop queues */
326 wl1251_debug(DEBUG_TX, "tx_work: fw buffer full, "
327 "stop queues");
328 ieee80211_stop_queues(wl->hw);
329 wl->tx_queue_stopped = true;
330 skb_queue_head(&wl->tx_queue, skb); 323 skb_queue_head(&wl->tx_queue, skb);
331 goto out; 324 goto out;
332 } else if (ret < 0) { 325 } else if (ret < 0) {
@@ -449,6 +442,7 @@ void wl1251_tx_complete(struct wl1251 *wl)
449{ 442{
450 int i, result_index, num_complete = 0; 443 int i, result_index, num_complete = 0;
451 struct tx_result result[FW_TX_CMPLT_BLOCK_SIZE], *result_ptr; 444 struct tx_result result[FW_TX_CMPLT_BLOCK_SIZE], *result_ptr;
445 unsigned long flags;
452 446
453 if (unlikely(wl->state != WL1251_STATE_ON)) 447 if (unlikely(wl->state != WL1251_STATE_ON))
454 return; 448 return;
@@ -477,6 +471,20 @@ void wl1251_tx_complete(struct wl1251 *wl)
477 } 471 }
478 } 472 }
479 473
474 if (wl->tx_queue_stopped
475 &&
476 skb_queue_len(&wl->tx_queue) <= WL1251_TX_QUEUE_LOW_WATERMARK){
477
478 /* firmware buffer has space, restart queues */
479 wl1251_debug(DEBUG_TX, "tx_complete: waking queues");
480 spin_lock_irqsave(&wl->wl_lock, flags);
481 ieee80211_wake_queues(wl->hw);
482 wl->tx_queue_stopped = false;
483 spin_unlock_irqrestore(&wl->wl_lock, flags);
484 ieee80211_queue_work(wl->hw, &wl->tx_work);
485
486 }
487
480 /* Every completed frame needs to be acknowledged */ 488 /* Every completed frame needs to be acknowledged */
481 if (num_complete) { 489 if (num_complete) {
482 /* 490 /*