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rt2x00: Increase queue size

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Without the preallocated DMA we can now safely increase
the queue size withotu negative impact on the memory
requirements of rt2x00.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn
2008-06-16 19:57:40 +02:00
committed by John W. Linville
parent c1d35dfa0f
commit f529932ce2
1 changed files with 10 additions and 7 deletions
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17
drivers/net/wireless/rt2x00/rt2x00queue.h
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@@ -42,15 +42,18 @@
/** /**
* DOC: Number of entries per queue * DOC: Number of entries per queue
* *
* After research it was concluded that 12 entries in a RX and TX * Under normal load without fragmentation 12 entries are sufficient
* queue would be sufficient. Although this is almost one third of * without the queue being filled up to the maximum. When using fragmentation
* the amount the legacy driver allocated, the queues aren't getting * and the queue threshold code we need to add some additional margins to
* filled to the maximum even when working with the maximum rate. * make sure the queue will never (or only under extreme load) fill up
* completely.
* Since we don't use preallocated DMA having a large number of queue entries
* will have only minimal impact on the memory requirements for the queue.
*/ */
#define RX_ENTRIES 12 #define RX_ENTRIES 24
#define TX_ENTRIES 12 #define TX_ENTRIES 24
#define BEACON_ENTRIES 1 #define BEACON_ENTRIES 1
#define ATIM_ENTRIES 1 #define ATIM_ENTRIES 8
/** /**
* enum data_queue_qid: Queue identification * enum data_queue_qid: Queue identification