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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h75
1 files changed, 46 insertions, 29 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index fab8e2687f29..167d45873dca 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -217,6 +217,7 @@ enum txdone_entry_desc_flags {
TXDONE_FALLBACK,
TXDONE_FAILURE,
TXDONE_EXCESSIVE_RETRY,
+ TXDONE_AMPDU,
};
/**
@@ -305,20 +306,27 @@ struct txentry_desc {
u16 length;
u16 header_length;
- u16 length_high;
- u16 length_low;
- u16 signal;
- u16 service;
-
- u16 mcs;
- u16 stbc;
- u16 ba_size;
- u16 rate_mode;
- u16 mpdu_density;
+ union {
+ struct {
+ u16 length_high;
+ u16 length_low;
+ u16 signal;
+ u16 service;
+ enum ifs ifs;
+ } plcp;
+
+ struct {
+ u16 mcs;
+ u8 stbc;
+ u8 ba_size;
+ u8 mpdu_density;
+ enum txop txop;
+ } ht;
+ } u;
+
+ enum rate_modulation rate_mode;
short retry_limit;
- short ifs;
- short txop;
enum cipher cipher;
u16 key_idx;
@@ -337,8 +345,8 @@ struct txentry_desc {
* only be touched after the device has signaled it is done with it.
* @ENTRY_DATA_PENDING: This entry contains a valid frame and is waiting
* for the signal to start sending.
- * @ENTRY_DATA_IO_FAILED: Hardware indicated that an IO error occured
- * while transfering the data to the hardware. No TX status report will
+ * @ENTRY_DATA_IO_FAILED: Hardware indicated that an IO error occurred
+ * while transferring 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
@@ -356,15 +364,17 @@ enum queue_entry_flags {
* struct queue_entry: Entry inside the &struct data_queue
*
* @flags: Entry flags, see &enum queue_entry_flags.
+ * @last_action: Timestamp of last change.
* @queue: The data queue (&struct data_queue) to which this entry belongs.
* @skb: The buffer which is currently being transmitted (for TX queue),
- * or used to directly recieve data in (for RX queue).
+ * or used to directly receive data in (for RX queue).
* @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.
*/
struct queue_entry {
unsigned long flags;
+ unsigned long last_action;
struct data_queue *queue;
@@ -381,7 +391,7 @@ struct queue_entry {
* @Q_INDEX: Index pointer to the current entry in the queue, if this entry is
* owned by the hardware then the queue is considered to be full.
* @Q_INDEX_DMA_DONE: Index pointer for the next entry which will have been
- * transfered to the hardware.
+ * transferred to the hardware.
* @Q_INDEX_DONE: Index pointer to the next entry which will be completed by
* the hardware and for which we need to run the txdone handler. If this
* entry is not owned by the hardware the queue is considered to be empty.
@@ -455,7 +465,6 @@ struct data_queue {
unsigned short threshold;
unsigned short length;
unsigned short index[Q_INDEX_MAX];
- unsigned long last_action[Q_INDEX_MAX];
unsigned short txop;
unsigned short aifs;
@@ -572,16 +581,22 @@ struct data_queue_desc {
* @queue: Pointer to @data_queue
* @start: &enum queue_index Pointer to start index
* @end: &enum queue_index Pointer to end index
+ * @data: Data to pass to the callback function
* @fn: The function to call for each &struct queue_entry
*
* This will walk through all entries in the queue, in chronological
* order. This means it will start at the current @start pointer
* and will walk through the queue until it reaches the @end pointer.
+ *
+ * If fn returns true for an entry rt2x00queue_for_each_entry will stop
+ * processing and return true as well.
*/
-void rt2x00queue_for_each_entry(struct data_queue *queue,
+bool rt2x00queue_for_each_entry(struct data_queue *queue,
enum queue_index start,
enum queue_index end,
- void (*fn)(struct queue_entry *entry));
+ void *data,
+ bool (*fn)(struct queue_entry *entry,
+ void *data));
/**
* rt2x00queue_empty - Check if the queue is empty.
@@ -620,23 +635,25 @@ static inline int rt2x00queue_threshold(struct data_queue *queue)
}
/**
- * rt2x00queue_status_timeout - Check if a timeout occured for STATUS reports
- * @queue: Queue to check.
+ * rt2x00queue_status_timeout - Check if a timeout occurred for STATUS reports
+ * @entry: Queue entry to check.
*/
-static inline int rt2x00queue_status_timeout(struct data_queue *queue)
+static inline int rt2x00queue_status_timeout(struct queue_entry *entry)
{
- return time_after(queue->last_action[Q_INDEX_DMA_DONE],
- queue->last_action[Q_INDEX_DONE] + (HZ / 10));
+ if (!test_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags))
+ return false;
+ return time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
}
/**
- * rt2x00queue_timeout - Check if a timeout occured for DMA transfers
- * @queue: Queue to check.
+ * rt2x00queue_dma_timeout - Check if a timeout occurred for DMA transfers
+ * @entry: Queue entry to check.
*/
-static inline int rt2x00queue_dma_timeout(struct data_queue *queue)
+static inline int rt2x00queue_dma_timeout(struct queue_entry *entry)
{
- return time_after(queue->last_action[Q_INDEX],
- queue->last_action[Q_INDEX_DMA_DONE] + (HZ / 10));
+ if (!test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags))
+ return false;
+ return time_after(jiffies, entry->last_action + msecs_to_jiffies(100));
}
/**
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