Index: head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c
===================================================================
--- head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c
+++ head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c
@@ -33,6 +33,9 @@
 #include <sys/time.h>
 #include <sys/systm.h>
 # include <sys/dirent.h>
+#if defined(__FreeBSD_version) && (__FreeBSD_version >= 800000)
+#include <sys/jail.h>
+#endif
 # include <sys/mbuf.h>
 # include <sys/sockopt.h>
 #if !defined(__hpux)
@@ -52,6 +55,12 @@
 #include <netinet/ip.h>
 #include <netinet/ip_var.h>
 #include <netinet/tcp.h>
+#if defined(__FreeBSD_version) && (__FreeBSD_version >= 800000)
+#include <net/vnet.h>
+#else
+#define CURVNET_SET(arg)
+#define CURVNET_RESTORE()
+#endif
 #if defined(__osf__)
 # include <netinet/tcp_timer.h>
 #endif
@@ -323,7 +332,9 @@
 
 	SPL_NET(s);
 
+	CURVNET_SET(TD_TO_VNET(p));
 	error = ipf_ioctlswitch(&ipfmain, unit, data, cmd, mode, p->p_uid, p);
+	CURVNET_RESTORE();
 	if (error != -1) {
 		SPL_X(s);
 		return error;