diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_eth.h b/bsp/stm32/libraries/HAL_Drivers/drv_eth.h
index 44eb75bbb80feeed77972830d01e06fcd469267f..12909d3779ea4d482a74d22e90e118bb91851d17 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_eth.h
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_eth.h
@@ -53,6 +53,24 @@
 #define PHY_Status_FULL_DUPLEX(sr)  ((sr) & PHY_FULL_DUPLEX_MASK)
 #endif /* PHY_USING_LAN8720A */
 
+#ifdef PHY_USING_LAN8742A
+/*  The PHY interrupt source flag register. */
+#define PHY_INTERRUPT_FLAG_REG      0x1DU
+/*  The PHY interrupt mask register. */
+#define PHY_INTERRUPT_MASK_REG      0x1EU
+#define PHY_LINK_DOWN_MASK          (1<<4)
+#define PHY_AUTO_NEGO_COMPLETE_MASK (1<<6)
+
+/*  The PHY status register. */
+#define PHY_Status_REG              0x1FU
+#define PHY_10M_MASK                (1<<2)
+#define PHY_100M_MASK               (1<<3)
+#define PHY_FULL_DUPLEX_MASK        (1<<4)
+#define PHY_Status_SPEED_10M(sr)    ((sr) & PHY_10M_MASK)
+#define PHY_Status_SPEED_100M(sr)   ((sr) & PHY_100M_MASK)
+#define PHY_Status_FULL_DUPLEX(sr)  ((sr) & PHY_FULL_DUPLEX_MASK)
+#endif /* PHY_USING_LAN8742A */
+
 #ifdef PHY_USING_DM9161CEP
 #define PHY_Status_REG              0x11U
 #define PHY_10M_MASK                ((1<<12) || (1<<13))