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authorJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
commitcfef6047c4027a8448ec8dafeaf2bb362cc882e4 (patch)
treec254bd25aa8b4b0696b5b5cc45d8e30c7c1bb9dd /drivers/net/wireless/rt2x00/rt2x00queue.h
parentb71d1d426d263b0b6cb5760322efebbfc89d4463 (diff)
parent73b48099cc265f88fa1255f3f43e52fe6a94fd5c (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/rt2x00/rt2x00queue.c drivers/net/wireless/rt2x00/rt2x00queue.h
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h33
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 5db6a99fce7..167d45873dc 100644
--- 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));
}
/**