[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/extended/hw_nat/ac_api.h b/src/extended/hw_nat/ac_api.h
new file mode 100644
index 0000000..dd5a40f
--- /dev/null
+++ b/src/extended/hw_nat/ac_api.h
@@ -0,0 +1,6 @@
+#ifndef __AC_API
+#define __AC_API
+
+int SetAcEntry(struct ac_args *opt, unsigned int cmd);
+int GetAcEntry(struct ac_args *opt, unsigned int cmd);
+#endif