diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h
index ca31904..78ff09d 100644
--- a/drivers/net/bnx2.h
+++ b/drivers/net/bnx2.h
@@ -3696,6 +3696,8 @@
 
 /* 5708 Serdes PHY registers */
 
+#define BCM5708S_BMCR_FORCE_2500		0x20
+
 #define BCM5708S_UP1				0xb
 
 #define BCM5708S_UP1_2G5			0x1