diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 71 |
1 files changed, 59 insertions, 12 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 480d33a3ce42..eede99939db9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -312,7 +312,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, /* * Initialize information from queue */ - txdesc->queue = entry->queue->qid; + txdesc->qid = entry->queue->qid; txdesc->cw_min = entry->queue->cw_min; txdesc->cw_max = entry->queue->cw_max; txdesc->aifs = entry->queue->aifs; @@ -449,15 +449,14 @@ static void rt2x00queue_write_tx_descriptor(struct queue_entry *entry, struct txentry_desc *txdesc) { struct data_queue *queue = entry->queue; - struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; - rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, entry->skb, txdesc); + queue->rt2x00dev->ops->lib->write_tx_desc(entry, txdesc); /* * All processing on the frame has been completed, this means * it is now ready to be dumped to userspace through debugfs. */ - rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TX, entry->skb); + rt2x00debug_dump_frame(queue->rt2x00dev, DUMP_FRAME_TX, entry->skb); } static void rt2x00queue_kick_tx_queue(struct queue_entry *entry, @@ -477,7 +476,7 @@ static void rt2x00queue_kick_tx_queue(struct queue_entry *entry, */ if (rt2x00queue_threshold(queue) || !test_bit(ENTRY_TXD_BURST, &txdesc->flags)) - rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, queue->qid); + rt2x00dev->ops->lib->kick_tx_queue(queue); } int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb, @@ -591,7 +590,7 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, intf->beacon->skb = NULL; if (!enable_beacon) { - rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev, QID_BEACON); + rt2x00dev->ops->lib->kill_tx_queue(intf->beacon->queue); mutex_unlock(&intf->beacon_skb_mutex); return 0; } @@ -626,6 +625,51 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, return 0; } +void rt2x00queue_for_each_entry(struct data_queue *queue, + enum queue_index start, + enum queue_index end, + void (*fn)(struct queue_entry *entry)) +{ + unsigned long irqflags; + unsigned int index_start; + unsigned int index_end; + unsigned int i; + + if (unlikely(start >= Q_INDEX_MAX || end >= Q_INDEX_MAX)) { + ERROR(queue->rt2x00dev, + "Entry requested from invalid index range (%d - %d)\n", + start, end); + return; + } + + /* + * Only protect the range we are going to loop over, + * if during our loop a extra entry is set to pending + * it should not be kicked during this run, since it + * is part of another TX operation. + */ + spin_lock_irqsave(&queue->lock, irqflags); + index_start = queue->index[start]; + index_end = queue->index[end]; + spin_unlock_irqrestore(&queue->lock, irqflags); + + /* + * Start from the TX done pointer, this guarentees that we will + * send out all frames in the correct order. + */ + if (index_start < index_end) { + for (i = index_start; i < index_end; i++) + fn(&queue->entries[i]); + } else { + for (i = index_start; i < queue->limit; i++) + fn(&queue->entries[i]); + + for (i = 0; i < index_end; i++) + fn(&queue->entries[i]); + } +} +EXPORT_SYMBOL_GPL(rt2x00queue_for_each_entry); + struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue) { @@ -687,13 +731,13 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index) if (queue->index[index] >= queue->limit) queue->index[index] = 0; + queue->last_action[index] = jiffies; + if (index == Q_INDEX) { queue->length++; - queue->last_index = jiffies; } else if (index == Q_INDEX_DONE) { queue->length--; queue->count++; - queue->last_index_done = jiffies; } spin_unlock_irqrestore(&queue->lock, irqflags); @@ -702,14 +746,17 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index) static void rt2x00queue_reset(struct data_queue *queue) { unsigned long irqflags; + unsigned int i; spin_lock_irqsave(&queue->lock, irqflags); queue->count = 0; queue->length = 0; - queue->last_index = jiffies; - queue->last_index_done = jiffies; - memset(queue->index, 0, sizeof(queue->index)); + + for (i = 0; i < Q_INDEX_MAX; i++) { + queue->index[i] = 0; + queue->last_action[i] = jiffies; + } spin_unlock_irqrestore(&queue->lock, irqflags); } @@ -719,7 +766,7 @@ void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev) struct data_queue *queue; txall_queue_for_each(rt2x00dev, queue) - rt2x00dev->ops->lib->kill_tx_queue(rt2x00dev, queue->qid); + rt2x00dev->ops->lib->kill_tx_queue(queue); } void rt2x00queue_init_queues(struct rt2x00_dev *rt2x00dev) |