diff --git a/src/drivers/net/asix.h b/src/drivers/net/asix.h
index 0099653..2d8fe50 100644
--- a/src/drivers/net/asix.h
+++ b/src/drivers/net/asix.h
@@ -149,8 +149,12 @@
 static const uint16_t Ipg2Default = 0x12;
 
 enum {
-	RxCtrlSo = 0x1 << 15,
-	RxCtrlAb = 0x1 << 7
+	RxCtrlSo = 0x1 << 7,
+	RxCtrlAp = 0x1 << 5,
+	RxCtrlAm = 0x1 << 4,
+	RxCtrlAb = 0x1 << 3,
+	RxCtrlAmall = 0x1 << 1,
+	RxCtrlPro = 0x1 << 0,
 };
 
 static const uint16_t RxCtrlDefault = RxCtrlSo | RxCtrlAb;