From 10e11568ca8b8a15f7478f6a4ceebabcbdba1018 Mon Sep 17 00:00:00 2001 From: Helmut Schaa Date: Mon, 18 Apr 2011 15:27:43 +0200 Subject: rt2x00: Make rt2x00_queue_entry_for_each more flexible Allow passing a void pointer to rt2x00_queue_entry_for_each which in turn in provided to the callback function. Furthermore, allow the callback function to stop processing by returning true. And also notify the caller of rt2x00_queue_entry_for_each if the loop was canceled by the callback. No functional changes, just preparation for an upcoming patch. Signed-off-by: Helmut Schaa Signed-off-by: Ivo van Doorn Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00queue.c | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c') diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index d03eef28f036..458bb489bc7c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -650,10 +650,12 @@ int rt2x00queue_update_beacon(struct rt2x00_dev *rt2x00dev, return ret; } -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)) { unsigned long irqflags; unsigned int index_start; @@ -664,7 +666,7 @@ void rt2x00queue_for_each_entry(struct data_queue *queue, ERROR(queue->rt2x00dev, "Entry requested from invalid index range (%d - %d)\n", start, end); - return; + return true; } /* @@ -683,15 +685,23 @@ void rt2x00queue_for_each_entry(struct data_queue *queue, * 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]); + for (i = index_start; i < index_end; i++) { + if (fn(&queue->entries[i], data)) + return true; + } } else { - for (i = index_start; i < queue->limit; i++) - fn(&queue->entries[i]); + for (i = index_start; i < queue->limit; i++) { + if (fn(&queue->entries[i], data)) + return true; + } - for (i = 0; i < index_end; i++) - fn(&queue->entries[i]); + for (i = 0; i < index_end; i++) { + if (fn(&queue->entries[i], data)) + return true; + } } + + return false; } EXPORT_SYMBOL_GPL(rt2x00queue_for_each_entry); -- cgit v1.2.3