diff options
| author | Ivo van Doorn <ivdoorn@gmail.com> | 2010-12-13 14:36:18 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-12-13 23:23:36 +0300 |
| commit | dba5dc1ae9764902f46d5225c9ff40e4f7b614c7 (patch) | |
| tree | 693be19fa299bad11310e394fb06c0d4effb898b /drivers/net/wireless/rt2x00/rt2x00queue.h | |
| parent | 64e7d72384c2ecef5a892b2243623af265dd83cc (diff) | |
| download | linux-dba5dc1ae9764902f46d5225c9ff40e4f7b614c7.tar.xz | |
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.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index baa39b75430c..47659346070b 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, }; /** |