be2net: add code to dump registers for debug

when the BE device becomes unresponsive, dump the registers to help debugging

Signed-off-by: Somnath K <somnathk@serverengines.com>
Signed-off-by: Ajit Khaparde <ajitk@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index e06369c..5e6f581 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -288,6 +288,7 @@
 	u32 function_mode;
 	u32 rx_fc;		/* Rx flow control */
 	u32 tx_fc;		/* Tx flow control */
+	bool ue_detected;
 	int link_speed;
 	u8 port_type;
 	u8 transceiver;