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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.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index cdf87094efe..315b96ed1d9 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -161,13 +161,17 @@ struct b43_dmadesc_generic {
} __packed;
/* Misc DMA constants */
-#define B43_DMA_RINGMEMSIZE PAGE_SIZE
-#define B43_DMA0_RX_FRAMEOFFSET 30
+#define B43_DMA32_RINGMEMSIZE 4096
+#define B43_DMA64_RINGMEMSIZE 8192
+/* Offset of frame with actual data */
+#define B43_DMA0_RX_FW598_FO 38
+#define B43_DMA0_RX_FW351_FO 30
/* DMA engine tuning knobs */
#define B43_TXRING_SLOTS 256
#define B43_RXRING_SLOTS 64
-#define B43_DMA0_RX_BUFFERSIZE (B43_DMA0_RX_FRAMEOFFSET + IEEE80211_MAX_FRAME_LEN)
+#define B43_DMA0_RX_FW598_BUFSIZE (B43_DMA0_RX_FW598_FO + IEEE80211_MAX_FRAME_LEN)
+#define B43_DMA0_RX_FW351_BUFSIZE (B43_DMA0_RX_FW351_FO + IEEE80211_MAX_FRAME_LEN)
/* Pointer poison */
#define B43_DMA_PTR_POISON ((void *)ERR_PTR(-ENOMEM))
@@ -212,6 +216,12 @@ enum b43_dmatype {
B43_DMA_64BIT = 64,
};
+enum b43_addrtype {
+ B43_DMA_ADDR_LOW,
+ B43_DMA_ADDR_HIGH,
+ B43_DMA_ADDR_EXT,
+};
+
struct b43_dmaring {
/* Lowlevel DMA ops. */
const struct b43_dma_ops *ops;