diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index d3f03f0..8de6f21 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2123,6 +2123,7 @@
 #define TG3_FLG2_5705_PLUS		0x00040000
 #define TG3_FLG2_5750_PLUS		0x00080000
 #define TG3_FLG2_PROTECTED_NVRAM	0x00100000
+#define TG3_FLG2_USING_MSI		0x00200000
 
 	u32				split_mode_max_reqs;
 #define SPLIT_MODE_5704_MAX_REQ		3