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rt2x00: Protect queue control with mutex

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Add wrapper functions in rt2x00queue.c to
start & stop queues. This control must be protected
using a mutex.

Queues can also be paused which will halt the flow
of packets between the driver and mac80211. This doesn't
require a mutex protection.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2010-12-13 12:35:17 +01:00 • committed by John W. Linville
parent dbba306f2a
commit 0b7fde54f9
9 changed files with 333 additions and 172 deletions
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5
drivers/net/wireless/rt2x00/rt2x00debug.c
View file

@ -339,12 +339,13 @@ static ssize_t rt2x00debug_read_queue_stats(struct file *file,
return -ENOMEM;
temp = data +
sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
sprintf(data, "qid\tflags\t\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
queue_for_each(intf->rt2x00dev, queue) {
spin_lock_irqsave(&queue->index_lock, irqflags);
temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid,
temp += sprintf(temp, "%d\t0x%.8x\t%d\t%d\t%d\t%d\t%d\t\t%d\n",
queue->qid, (unsigned int)queue->flags,
queue->count, queue->limit, queue->length,
queue->index[Q_INDEX],
queue->index[Q_INDEX_DMA_DONE],