rt2x00: Add helper function for reporting tx status

At some points, some drivers can't report the full TX status
information. This can happen for the UNKNOWN state, or the
FAILURE state (in case the URB failed).
Add a wrapper function to simplify reporting the
empty TX information.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 16 insertions, 13 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h
index 5276c19..edfc2b7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/rt2x00/rt2x00.h
@@ -1078,6 +1078,7 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev);
 void rt2x00lib_pretbtt(struct rt2x00_dev *rt2x00dev);
 void rt2x00lib_txdone(struct queue_entry *entry,
 		      struct txdone_entry_desc *txdesc);
+void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status);
 void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 		      struct queue_entry *entry);
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 94621bd..6499cc4 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -408,6 +408,18 @@ void rt2x00lib_txdone(struct queue_entry *entry,
 }
 EXPORT_SYMBOL_GPL(rt2x00lib_txdone);
 
+void rt2x00lib_txdone_noinfo(struct queue_entry *entry, u32 status)
+{
+	struct txdone_entry_desc txdesc;
+
+	txdesc.flags = 0;
+	__set_bit(status, &txdesc.flags);
+	txdesc.retry = 0;
+
+	rt2x00lib_txdone(entry, &txdesc);
+}
+EXPORT_SYMBOL_GPL(rt2x00lib_txdone_noinfo);
+
 static int rt2x00lib_rxdone_read_signal(struct rt2x00_dev *rt2x00dev,
 					struct rxdone_entry_desc *rxdesc)
 {
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
index 3f13101..f76014f73 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
@@ -170,8 +170,6 @@ EXPORT_SYMBOL_GPL(rt2x00usb_regbusy_read);
  */
 static void rt2x00usb_work_txdone_entry(struct queue_entry *entry)
 {
-	struct txdone_entry_desc txdesc;
-
 	/*
 	 * If the transfer to hardware succeeded, it does not mean the
 	 * frame was send out correctly. It only means the frame
@@ -180,14 +178,10 @@ static void rt2x00usb_work_txdone_entry(struct queue_entry *entry)
 	 * (Only indirectly by looking at the failed TX counters
 	 * in the register).
 	 */
-	txdesc.flags = 0;
 	if (test_bit(ENTRY_DATA_IO_FAILED, &entry->flags))
-		__set_bit(TXDONE_FAILURE, &txdesc.flags);
+		rt2x00lib_txdone_noinfo(entry, TXDONE_FAILURE);
 	else
-		__set_bit(TXDONE_UNKNOWN, &txdesc.flags);
-	txdesc.retry = 0;
-
-	rt2x00lib_txdone(entry, &txdesc);
+		rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 }
 
 static void rt2x00usb_work_txdone(struct work_struct *work)
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index e539c6c..dc6f3eb 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2107,11 +2107,7 @@ static void rt61pci_txdone(struct rt2x00_dev *rt2x00dev)
 				"TX status report missed for entry %d\n",
 				entry_done->entry_idx);
 
-			txdesc.flags = 0;
-			__set_bit(TXDONE_UNKNOWN, &txdesc.flags);
-			txdesc.retry = 0;
-
-			rt2x00lib_txdone(entry_done, &txdesc);
+			rt2x00lib_txdone_noinfo(entry, TXDONE_UNKNOWN);
 			entry_done = rt2x00queue_get_entry(queue, Q_INDEX_DONE);
 		}