forcedeth: tx pause fix

This patch fixes the tx pause enable watermark flags. The new values
where determined to be optimal during testing.
Signed-off-by: NAyaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/forcedeth.c

@@ -316,8 +316,8 @@ enum {
 	NvRegTxRingPhysAddrHigh = 0x148,
 	NvRegRxRingPhysAddrHigh = 0x14C,
 	NvRegTxPauseFrame = 0x170,
-#define NVREG_TX_PAUSEFRAME_DISABLE	0x1ff0080
-#define NVREG_TX_PAUSEFRAME_ENABLE	0x0c00030
+#define NVREG_TX_PAUSEFRAME_DISABLE	0x01ff0080
+#define NVREG_TX_PAUSEFRAME_ENABLE	0x01800010
 	NvRegMIIStatus = 0x180,
 #define NVREG_MIISTAT_ERROR		0x0001
 #define NVREG_MIISTAT_LINKCHANGE	0x0008