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path: root/drivers/net/wireless/b43/dma.h
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Diffstat (limited to 'drivers/net/wireless/b43/dma.h')
-rw-r--r--drivers/net/wireless/b43/dma.h17
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index d1eb5c0848a..05dde646d83 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -1,14 +1,12 @@
#ifndef B43_DMA_H_
#define B43_DMA_H_
-#include <linux/list.h>
+#include <linux/ieee80211.h>
#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/linkage.h>
-#include <asm/atomic.h>
#include "b43.h"
+
/* DMA-Interrupt reasons. */
#define B43_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \
| (1 << 14) | (1 << 15))
@@ -161,14 +159,13 @@ struct b43_dmadesc_generic {
/* Misc DMA constants */
#define B43_DMA_RINGMEMSIZE PAGE_SIZE
-#define B43_DMA0_RX_FRAMEOFFSET 30
-#define B43_DMA3_RX_FRAMEOFFSET 0
+#define B43_DMA0_RX_FRAMEOFFSET 30
/* DMA engine tuning knobs */
-#define B43_TXRING_SLOTS 128
+#define B43_TXRING_SLOTS 256
#define B43_RXRING_SLOTS 64
-#define B43_DMA0_RX_BUFFERSIZE (2304 + 100)
-#define B43_DMA3_RX_BUFFERSIZE 16
+#define B43_DMA0_RX_BUFFERSIZE IEEE80211_MAX_FRAME_LEN
+
struct sk_buff;
struct b43_private;
@@ -215,7 +212,7 @@ struct b43_dmaring {
void *descbase;
/* Meta data about all descriptors. */
struct b43_dmadesc_meta *meta;
- /* Cache of TX headers for each slot.
+ /* Cache of TX headers for each TX frame.
* This is to avoid an allocation on each TX.
* This is NULL for an RX ring.
*/