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authorIvo van Doorn <ivdoorn@gmail.com>2010-12-13 12:36:18 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-12-13 15:23:36 -0500
commitdba5dc1ae9764902f46d5225c9ff40e4f7b614c7 (patch)
tree693be19fa299bad11310e394fb06c0d4effb898b /drivers/net/wireless/rt2x00/rt2x00queue.h
parent64e7d72384c2ecef5a892b2243623af265dd83cc (diff)
rt2x00: Introduce extra queue entry sanity flag
Add a queue entry flag ENTRY_DATA_STATUS_PENDING, which can be used to indicate a queue entry has returned from the hardware and is waiting for status processing. Using this flag we can add some extra sanity checks to prevent queue corruption. 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>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index baa39b75430..47659346070 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -340,12 +340,16 @@ struct txentry_desc {
* @ENTRY_DATA_IO_FAILED: Hardware indicated that an IO error occured
* while transfering the data to the hardware. No TX status report will
* be expected from the hardware.
+ * @ENTRY_DATA_STATUS_PENDING: The entry has been send to the device and
+ * returned. It is now waiting for the status reporting before the
+ * entry can be reused again.
*/
enum queue_entry_flags {
ENTRY_BCN_ASSIGNED,
ENTRY_OWNER_DEVICE_DATA,
ENTRY_DATA_PENDING,
- ENTRY_DATA_IO_FAILED
+ ENTRY_DATA_IO_FAILED,
+ ENTRY_DATA_STATUS_PENDING,
};
/**