add ioctls for tunnels to configure whether they allow fragmentation or not.

discussed with cladio@ at a2k18

diff --git a/sys/sys/sockio.h b/sys/sys/sockio.h
index 7e9fdf2..9aa4fd2 100644 (file)
--- a/sys/sys/sockio.h
+++ b/sys/sys/sockio.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: sockio.h,v 1.73 2018/02/08 13:15:32 mpi Exp $ */
+/*     $OpenBSD: sockio.h,v 1.74 2018/02/19 00:21:31 dlg Exp $ */
 /*     $NetBSD: sockio.h,v 1.5 1995/08/23 00:40:47 thorpej Exp $       */
 
 /*-
@@ -191,6 +191,9 @@
 #define        SIOCSUMBPARAM    _IOW('i', 191, struct ifreq)   /* set MBIM param */
 #define        SIOCGUMBPARAM   _IOWR('i', 192, struct ifreq)   /* get MBIM param */
 
+#define        SIOCSLIFPHYDF   _IOW('i', 193, struct ifreq)    /* set tunnel df/nodf */
+#define        SIOCGLIFPHYDF   _IOWR('i', 194, struct ifreq)   /* set tunnel df/nodf */
+
 #define        SIOCSVH         _IOWR('i', 245, struct ifreq)   /* set carp param */
 #define        SIOCGVH         _IOWR('i', 246, struct ifreq)   /* get carp param */