diff --git a/libc/kernel/uapi/linux/mdio.h b/libc/kernel/uapi/linux/mdio.h
index 7ea6a72..7b51b73 100644
--- a/libc/kernel/uapi/linux/mdio.h
+++ b/libc/kernel/uapi/linux/mdio.h
@@ -110,6 +110,8 @@
 #define MDIO_PMA_SPEED_1000 0x0010
 #define MDIO_PMA_SPEED_100 0x0020
 #define MDIO_PMA_SPEED_10 0x0040
+#define MDIO_PMA_SPEED_2_5G 0x2000
+#define MDIO_PMA_SPEED_5G 0x4000
 #define MDIO_PCS_SPEED_10P2B 0x0002
 #define MDIO_PCS_SPEED_2_5G 0x0040
 #define MDIO_PCS_SPEED_5G 0x0080
@@ -273,6 +275,8 @@
 #define MDIO_AN_T1_ADV_L_ACK ADVERTISE_LPACK
 #define MDIO_AN_T1_ADV_L_NEXT_PAGE_REQ ADVERTISE_NPAGE
 #define MDIO_AN_T1_ADV_M_B10L 0x4000
+#define MDIO_AN_T1_ADV_M_1000BT1 0x0080
+#define MDIO_AN_T1_ADV_M_100BT1 0x0020
 #define MDIO_AN_T1_ADV_M_MST 0x0010
 #define MDIO_AN_T1_ADV_H_10L_TX_HI_REQ 0x1000
 #define MDIO_AN_T1_ADV_H_10L_TX_HI 0x2000