Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[sfrench/cifs-2.6.git] / drivers / net / wireless / rt2x00 / rt2x00queue.h

diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 5db6a99fce7db34d927dcfeb4cbdb18df067a6be..167d45873dcab4e35fa757f0ea4c70c5e13a56e7 100644 (file)
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -364,6 +364,7 @@ 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 receive data in (for RX queue).
@@ -373,6 +374,7 @@ enum queue_entry_flags {
  */
 struct queue_entry {
        unsigned long flags;
+       unsigned long last_action;
 
        struct data_queue *queue;
 
@@ -463,7 +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;
@@ -580,16 +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.
@@ -629,22 +636,24 @@ static inline int rt2x00queue_threshold(struct data_queue *queue)
 
 /**
  * rt2x00queue_status_timeout - Check if a timeout occurred for STATUS reports
- * @queue: Queue to check.
+ * @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 occurred 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));
 }
 
 /**