A new version of this patch to synchronize transmission and receipt for each
device,
Jordi Pujol
Live never ending Tale
GNU/Linux Live forever!
http://livenet.selfip.com
rt2x00: synchonize transmission_done routines by device
Signed-off-by: Jordi Pujol <jordipujolp AT gmail DOT com>
--- linux-2.6.37-old/drivers/net/wireless/rt2x00/rt2x00dev.c 2011-01-05 01:50:19.000000000 +0100
+++ linux-2.6.37/drivers/net/wireless/rt2x00/rt2x00dev.c 2011-02-13 18:03:30.324761189 +0100
@@ -271,6 +271,8 @@ void rt2x00lib_txdone(struct queue_entry
unsigned int i;
bool success;
+ mutex_lock(&rt2x00dev->txdone_mutex);
+
/*
* Unmap the skb.
*/
@@ -415,6 +417,8 @@ void rt2x00lib_txdone(struct queue_entry
*/
if (!rt2x00queue_threshold(entry->queue))
ieee80211_wake_queue(rt2x00dev->hw, qid);
+
+ mutex_unlock(&rt2x00dev->txdone_mutex);
}
EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
@@ -486,6 +490,8 @@ void rt2x00lib_rxdone(struct queue_entry
unsigned int header_length;
int rate_idx;
+ mutex_lock(&rt2x00dev->rxdone_mutex);
+
if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
goto submit_entry;
@@ -573,6 +579,8 @@ submit_entry:
rt2x00dev->ops->lib->clear_entry(entry);
rt2x00queue_index_inc(entry->queue, Q_INDEX);
rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE);
+
+ mutex_unlock(&rt2x00dev->rxdone_mutex);
}
EXPORT_SYMBOL_GPL(rt2x00lib_rxdone);
@@ -972,6 +980,9 @@ int rt2x00lib_probe_dev(struct rt2x00_de
mutex_init(&rt2x00dev->csr_mutex);
+ mutex_init(&rt2x00dev->txdone_mutex);
+ mutex_init(&rt2x00dev->rxdone_mutex);
+
set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
/*
--- linux-2.6.37-old/drivers/net/wireless/rt2x00/rt2x00.h 2011-01-05 01:50:19.000000000 +0100
+++ linux-2.6.37/drivers/net/wireless/rt2x00/rt2x00.h 2011-02-13 18:02:02.480116433 +0100
@@ -908,6 +908,13 @@ struct rt2x00_dev {
* Tasklet for processing tx status reports (rt2800pci).
*/
struct tasklet_struct txstatus_tasklet;
+
+ /*
+ * Mutex to synchronize transmission.
+ */
+ struct mutex txdone_mutex;
+ struct mutex rxdone_mutex;
+
};
/*
