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>
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 83cba22..d0d9aee 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -858,8 +858,17 @@
 		ring->current_slot = -1;
 	} else {
 		if (ring->index == 0) {
-			ring->rx_buffersize = B43_DMA0_RX_BUFFERSIZE;
-			ring->frameoffset = B43_DMA0_RX_FRAMEOFFSET;
+			switch (dev->fw.hdr_format) {
+			case B43_FW_HDR_598:
+				ring->rx_buffersize = B43_DMA0_RX_FW598_BUFSIZE;
+				ring->frameoffset = B43_DMA0_RX_FW598_FO;
+				break;
+			case B43_FW_HDR_410:
+			case B43_FW_HDR_351:
+				ring->rx_buffersize = B43_DMA0_RX_FW351_BUFSIZE;
+				ring->frameoffset = B43_DMA0_RX_FW351_FO;
+				break;
+			}
 		} else
 			B43_WARN_ON(1);
 	}