--- zzzz-none-000/linux-3.10.107/include/uapi/linux/ppp-ioctl.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/uapi/linux/ppp-ioctl.h	2021-02-04 17:41:59.000000000 +0000
@@ -12,6 +12,7 @@
 
 #include <linux/types.h>
 #include <linux/compiler.h>
+#include <linux/ppp_defs.h>
 
 /*
  * Bit definitions for flags argument to PPPIOCGFLAGS/PPPIOCSFLAGS.