netxen: ethtool fixes

Resubmitting the patch.

This patch improves ethtool support for printing correct ring statistics,
segmentation offload status, etc.

Signed-off by: Dhananjay Phadke <dhananjay@netxen.com>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 7bbd5d1..fbc2553 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -919,7 +919,7 @@
 	u16 link_duplex;
 	u16 state;
 	u16 link_autoneg;
-	int rcsum;
+	int rx_csum;
 	int status;
 	spinlock_t stats_lock;