diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
index 8b27a1c763fdf245ab99dd79ba06c572593b3a8d..7c795ce61aaa5744826405a438878ff9137caf69 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_regs.h
@@ -213,6 +213,7 @@
 #define  SYS_CFG_PCIRSTB		BIT(4)
 #define  SYS_CFG_V15_VLD		BIT(5)
 #define  SYS_CFG_TRP_B15V_EN		BIT(7)
+#define  SYS_CFG_SW_OFFLOAD_EN		BIT(7)	/* For chips with IOL support */
 #define  SYS_CFG_SIC_IDLE		BIT(8)
 #define  SYS_CFG_BD_MAC2		BIT(9)
 #define  SYS_CFG_BD_MAC1		BIT(10)