diff --git a/include/uapi/linux/msm_ipa.h b/include/uapi/linux/msm_ipa.h
index be3c68aaf23c..296784dcca6d 100644
--- a/include/uapi/linux/msm_ipa.h
+++ b/include/uapi/linux/msm_ipa.h
@@ -35,6 +35,11 @@
  */
 #define IPA_DFLT_RT_TBL_NAME "ipa_dflt_rt"
 
+/**
+ * name for default value of invalid protocol of NAT
+ */
+#define IPAHAL_NAT_INVALID_PROTOCOL   0xFF
+
 /**
  * commands supported by IPA driver
  */