pasemi_mac: use buffer index pointer in clean_rx()

pasemi_mac: use buffer index pointer in clean_rx()

Use the new features in B0 for buffer ring index on the receive side. This
means we no longer have to search in the ring for where the buffer
came from.

Also cleanup the RX cleaning side a little, while I was at it.

Note: Pre-B0 hardware is no longer supported, and needs a pile of other
workarounds that are not being submitted for mainline inclusion. So the
fact that this breaks old hardware is not a problem at this time.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h
index 0bb3c48..1a12040 100644
--- a/drivers/net/pasemi_mac.h
+++ b/drivers/net/pasemi_mac.h
@@ -206,12 +206,15 @@
 #define    PAS_DMA_RXINT_RCMDSTA_DROPS_M	0xfffe0000
 #define    PAS_DMA_RXINT_RCMDSTA_DROPS_S	17
 #define PAS_DMA_RXINT_CFG(i)		(0x204+(i)*_PAS_DMA_RXINT_STRIDE)
+#define    PAS_DMA_RXINT_CFG_RBP	0x80000000
+#define    PAS_DMA_RXINT_CFG_ITRR	0x40000000
 #define    PAS_DMA_RXINT_CFG_DHL_M	0x07000000
 #define    PAS_DMA_RXINT_CFG_DHL_S	24
 #define    PAS_DMA_RXINT_CFG_DHL(x)	(((x) << PAS_DMA_RXINT_CFG_DHL_S) & \
 					 PAS_DMA_RXINT_CFG_DHL_M)
 #define    PAS_DMA_RXINT_CFG_LW		0x00200000
 #define    PAS_DMA_RXINT_CFG_L2		0x00100000
+#define    PAS_DMA_RXINT_CFG_HEN	0x00080000
 #define    PAS_DMA_RXINT_CFG_WIF	0x00000002
 #define    PAS_DMA_RXINT_CFG_WIL	0x00000001
 
@@ -425,10 +428,9 @@
 /* Receive descriptor fields */
 #define	XCT_MACRX_T		0x8000000000000000ull
 #define	XCT_MACRX_ST		0x4000000000000000ull
-#define XCT_MACRX_NORES		0x0000000000000000ull
-#define XCT_MACRX_8BRES		0x1000000000000000ull
-#define XCT_MACRX_24BRES	0x2000000000000000ull
-#define XCT_MACRX_40BRES	0x3000000000000000ull
+#define XCT_MACRX_RR_M		0x3000000000000000ull
+#define XCT_MACRX_RR_NORES	0x0000000000000000ull
+#define XCT_MACRX_RR_8BRES	0x1000000000000000ull
 #define XCT_MACRX_O		0x0400000000000000ull
 #define XCT_MACRX_E		0x0200000000000000ull
 #define XCT_MACRX_FF		0x0100000000000000ull
@@ -476,6 +478,17 @@
 #define XCT_PTR_ADDR(x)		((((long)(x)) << XCT_PTR_ADDR_S) & \
 				 XCT_PTR_ADDR_M)
 
+/* Receive interface 8byte result fields */
+#define XCT_RXRES_8B_L4O_M	0xff00000000000000ull
+#define XCT_RXRES_8B_L4O_S	56
+#define XCT_RXRES_8B_RULE_M	0x00ffff0000000000ull
+#define XCT_RXRES_8B_RULE_S	40
+#define XCT_RXRES_8B_EVAL_M	0x000000ffff000000ull
+#define XCT_RXRES_8B_EVAL_S	24
+#define XCT_RXRES_8B_HTYPE_M	0x0000000000f00000ull
+#define XCT_RXRES_8B_HASH_M	0x00000000000fffffull
+#define XCT_RXRES_8B_HASH_S	0
+
 /* Receive interface buffer fields */
 #define XCT_RXB_LEN_M		0x0ffff00000000000ull
 #define XCT_RXB_LEN_S		44