summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/b43/dma.h
diff options
context:
space:
mode:
authorRafał Miłecki <zajec5@gmail.com>2011-08-11 17:16:27 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-08-22 14:45:59 -0400
commit17030f48e31adde5b043741c91ba143f5f7db0fd (patch)
tree2a3ad5748e949da0dcbdfe9139db82030f809969 /drivers/net/wireless/b43/dma.h
parent5d852905561a979dfb4d8a68f7313dcb8f055bec (diff)
downloadlinux-17030f48e31adde5b043741c91ba143f5f7db0fd.tar.gz
linux-17030f48e31adde5b043741c91ba143f5f7db0fd.tar.bz2
linux-17030f48e31adde5b043741c91ba143f5f7db0fd.zip
b43: support new RX header, noticed to be used in 598.314+ fw
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/dma.h')
-rw-r--r--drivers/net/wireless/b43/dma.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index cdf87094efe8..546d19cbf5d5 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -162,12 +162,15 @@ struct b43_dmadesc_generic {
/* Misc DMA constants */
#define B43_DMA_RINGMEMSIZE PAGE_SIZE
-#define B43_DMA0_RX_FRAMEOFFSET 30
+/* 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))