diff --git a/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/pie.h b/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/pie.h
index 9a5f077db3b..b425455638f 100644
--- a/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/pie.h
+++ b/target/linux/realtek/files-6.18/drivers/net/dsa/rtl83xx/pie.h
@@ -2,6 +2,7 @@
 #ifndef _OTTO_PIE_H
 #define _OTTO_PIE_H
 
+#include <linux/soc/realtek/otto_common.h>
 #include <linux/types.h>
 
 /* PIE actions */
@@ -19,8 +20,7 @@
  * ingress comes before routing.
  */
 #define RTL839X_PIE_CUTLINE	9
-#define RTL839X_PIE_L3_RULES	(4 * PIE_BLOCK_SIZE)
-#define RTL839X_PIE_L3_FIRST	(RTL839X_PIE_CUTLINE * PIE_BLOCK_SIZE - RTL839X_PIE_L3_RULES)
+#define RTL839X_PIE_L3_RULES	(RTL839X_PIE_CUTLINE * PIE_BLOCK_SIZE - RTL839X_PIE_L3_FIRST)
 
 struct pie_rule;
 struct otto_dsa_priv;
diff --git a/target/linux/realtek/files-6.18/include/linux/soc/realtek/otto_common.h b/target/linux/realtek/files-6.18/include/linux/soc/realtek/otto_common.h
new file mode 100644
index 00000000000..fe7fc83c382
--- /dev/null
+++ b/target/linux/realtek/files-6.18/include/linux/soc/realtek/otto_common.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef _OTTO_COMMON_H
+#define _OTTO_COMMON_H
+
+#define RTL839X_PIE_L3_FIRST	640
+
+#endif /* _OTTO_COMMON_H */