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path: root/drivers/net/wireless/rt2x00/rt2x00queue.h
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h52
1 files changed, 15 insertions, 37 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 167d45873dc..c48125be0e3 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -13,9 +13,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the
- Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/*
@@ -54,7 +52,7 @@
* @QID_RX: RX queue
* @QID_OTHER: None of the above (don't use, only present for completeness)
* @QID_BEACON: Beacon queue (value unspecified, don't send it to device)
- * @QID_ATIM: Atim queue (value unspeficied, don't send it to device)
+ * @QID_ATIM: Atim queue (value unspecified, don't send it to device)
*/
enum data_queue_qid {
QID_AC_VO = 0,
@@ -288,8 +286,8 @@ enum txentry_desc_flags {
* @signal: PLCP signal.
* @service: PLCP service.
* @msc: MCS.
- * @stbc: STBC.
- * @ba_size: BA size.
+ * @stbc: Use Space Time Block Coding (only available for MCS rates < 8).
+ * @ba_size: Size of the recepients RX reorder buffer - 1.
* @rate_mode: Rate mode (See @enum rate_modulation).
* @mpdu_density: MDPU density.
* @retry_limit: Max number of retries.
@@ -321,6 +319,7 @@ struct txentry_desc {
u8 ba_size;
u8 mpdu_density;
enum txop txop;
+ int wcid;
} ht;
} u;
@@ -358,6 +357,7 @@ enum queue_entry_flags {
ENTRY_DATA_PENDING,
ENTRY_DATA_IO_FAILED,
ENTRY_DATA_STATUS_PENDING,
+ ENTRY_DATA_STATUS_SET,
};
/**
@@ -371,6 +371,7 @@ enum queue_entry_flags {
* @entry_idx: The entry index number.
* @priv_data: Private data belonging to this queue entry. The pointer
* points to data specific to a particular driver and queue type.
+ * @status: Device specific status
*/
struct queue_entry {
unsigned long flags;
@@ -382,6 +383,8 @@ struct queue_entry {
unsigned int entry_idx;
+ u32 status;
+
void *priv_data;
};
@@ -432,6 +435,7 @@ enum data_queue_flags {
* @flags: Entry flags, see &enum queue_entry_flags.
* @status_lock: The mutex for protecting the start/stop/flush
* handling on this queue.
+ * @tx_lock: Spinlock to serialize tx operations 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.
@@ -447,6 +451,7 @@ enum data_queue_flags {
* @cw_max: The cw max value for outgoing frames (field ignored in RX queue).
* @data_size: Maximum data size for the frames in this queue.
* @desc_size: Hardware descriptor size for the data in this queue.
+ * @priv_size: Size of per-queue_entry private data.
* @usb_endpoint: Device endpoint used for communication (USB only)
* @usb_maxpacket: Max packet size for given endpoint (USB only)
*/
@@ -458,6 +463,7 @@ struct data_queue {
unsigned long flags;
struct mutex status_lock;
+ spinlock_t tx_lock;
spinlock_t index_lock;
unsigned int count;
@@ -472,31 +478,15 @@ struct data_queue {
unsigned short cw_max;
unsigned short data_size;
- unsigned short desc_size;
+ unsigned char desc_size;
+ unsigned char winfo_size;
+ unsigned short priv_size;
unsigned short usb_endpoint;
unsigned short usb_maxpacket;
};
/**
- * struct data_queue_desc: Data queue description
- *
- * The information in this structure is used by drivers
- * to inform rt2x00lib about the creation of the data queue.
- *
- * @entry_num: Maximum number of entries for a queue.
- * @data_size: Maximum data size for the frames in this queue.
- * @desc_size: Hardware descriptor size for the data in this queue.
- * @priv_size: Size of per-queue_entry private data.
- */
-struct data_queue_desc {
- unsigned short entry_num;
- unsigned short data_size;
- unsigned short desc_size;
- unsigned short priv_size;
-};
-
-/**
* queue_end - Return pointer to the last queue (HELPER MACRO).
* @__dev: Pointer to &struct rt2x00_dev
*
@@ -633,18 +623,6 @@ static inline int rt2x00queue_threshold(struct data_queue *queue)
{
return rt2x00queue_available(queue) < queue->threshold;
}
-
-/**
- * rt2x00queue_status_timeout - Check if a timeout occurred for STATUS reports
- * @entry: Queue entry to check.
- */
-static inline int rt2x00queue_status_timeout(struct queue_entry *entry)
-{
- if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
- return false;
- return time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
-}
-
/**
* rt2x00queue_dma_timeout - Check if a timeout occurred for DMA transfers
* @entry: Queue entry to check.