diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.h | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 29b051ac6401..fab8e2687f29 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -45,10 +45,10 @@ /** * enum data_queue_qid: Queue identification * + * @QID_AC_VO: AC VO queue + * @QID_AC_VI: AC VI queue * @QID_AC_BE: AC BE queue * @QID_AC_BK: AC BK queue - * @QID_AC_VI: AC VI queue - * @QID_AC_VO: AC VO queue * @QID_HCCA: HCCA queue * @QID_MGMT: MGMT queue (prio queue) * @QID_RX: RX queue @@ -57,10 +57,10 @@ * @QID_ATIM: Atim queue (value unspeficied, don't send it to device) */ enum data_queue_qid { - QID_AC_BE = 0, - QID_AC_BK = 1, - QID_AC_VI = 2, - QID_AC_VO = 3, + QID_AC_VO = 0, + QID_AC_VI = 1, + QID_AC_BE = 2, + QID_AC_BK = 3, QID_HCCA = 4, QID_MGMT = 13, QID_RX = 14, @@ -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, }; /** @@ -392,12 +396,32 @@ enum queue_index { }; /** + * enum data_queue_flags: Status flags for data queues + * + * @QUEUE_STARTED: The queue has been started. Fox RX queues this means the + * device might be DMA'ing skbuffers. TX queues will accept skbuffers to + * be transmitted and beacon queues will start beaconing the configured + * beacons. + * @QUEUE_PAUSED: The queue has been started but is currently paused. + * When this bit is set, the queue has been stopped in mac80211, + * preventing new frames to be enqueued. However, a few frames + * might still appear shortly after the pausing... + */ +enum data_queue_flags { + QUEUE_STARTED, + QUEUE_PAUSED, +}; + +/** * struct data_queue: Data queue * * @rt2x00dev: Pointer to main &struct rt2x00dev where this queue belongs to. * @entries: Base address of the &struct queue_entry which are * part of this queue. * @qid: The queue identification, see &enum data_queue_qid. + * @flags: Entry flags, see &enum queue_entry_flags. + * @status_lock: The mutex for protecting the start/stop/flush + * handling on this queue. * @index_lock: Spinlock to protect index handling. Whenever @index, @index_done or * @index_crypt needs to be changed this lock should be grabbed to prevent * index corruption due to concurrency. @@ -421,8 +445,11 @@ struct data_queue { struct queue_entry *entries; enum data_queue_qid qid; + unsigned long flags; + struct mutex status_lock; spinlock_t index_lock; + unsigned int count; unsigned short limit; unsigned short threshold; |