diff --git a/libc/kernel/uapi/linux/mii.h b/libc/kernel/uapi/linux/mii.h
index 75b29fd..a489015 100644
--- a/libc/kernel/uapi/linux/mii.h
+++ b/libc/kernel/uapi/linux/mii.h
@@ -137,9 +137,11 @@
 #define LPA_SGMII_LINK 0x8000
 #define ADVERTISE_1000FULL 0x0200
 #define ADVERTISE_1000HALF 0x0100
+#define CTL1000_PREFER_MASTER 0x0400
 #define CTL1000_AS_MASTER 0x0800
 #define CTL1000_ENABLE_MASTER 0x1000
 #define LPA_1000MSFAIL 0x8000
+#define LPA_1000MSRES 0x4000
 #define LPA_1000LOCALRXOK 0x2000
 #define LPA_1000REMRXOK 0x1000
 #define LPA_1000FULL 0x0800