diff options
| author | John W. Linville <linville@tuxdriver.com> | 2010-09-02 13:30:07 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-09-02 13:30:07 -0400 |
| commit | 78ab952717b62c0ba6ca7f7a27eaa0486685e45f (patch) | |
| tree | a4ab2bfc578f279fc6847031f501d84c75057531 /drivers/net/wireless/wl12xx/wl1251_tx.c | |
| parent | 3e502e63586920f219ed2590f69c1f5a8888cfa4 (diff) | |
| parent | 85f72bc839705294b32b6c16b491c0422f0a71b3 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_tx.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_tx.c | 22 |
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 @@ * Copyright (c) 1998-2007 Texas Instruments Incorporated * Copyright (C) 2008 Nokia Corporation * - * Contact: Kalle Valo <kalle.valo@nokia.com> - * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. @@ -322,11 +320,6 @@ void wl1251_tx_work(struct work_struct *work) 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) { @@ -449,6 +442,7 @@ void wl1251_tx_complete(struct wl1251 *wl) { 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; @@ -477,6 +471,20 @@ void wl1251_tx_complete(struct wl1251 *wl) } } + 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) { /* |