# HG changeset patch
# User Ivo Smits <Ivo@UCIS.nl>
# Date 1318376145 -7200
# Node ID 422f3582bd38c8323a95551070eea4c6bb57b5c4
# Parent  51c6d2fc712fa69200d14bf68fcfad0137b8c244
Possible fix for tun mode on FreeBSD

diff -r 51c6d2fc712f -r 422f3582bd38 src/common.c
--- a/src/common.c	Wed Oct 12 01:34:46 2011 +0200
+++ b/src/common.c	Wed Oct 12 01:35:45 2011 +0200
@@ -176,6 +176,12 @@
 #else
 	if (!(envval = getconf("INTERFACE"))) envval = "/dev/tun0";
 	if ((ttfd = open(envval, O_RDWR)) < 0) return errorexitp("Could not open tun device file");
+	if ((envval = getconf("TUN_MODE")) && atoi(envval)) {
+		int i = IFF_POINTOPOINT | IFF_MULTICAST;
+		ioctl(tt->fd, TUNSIFMODE, &i);
+		i = 1;
+		ioctl(tt->fd, TUNSIFHEAD, &i);
+	}
 #endif
 	return ttfd;
 }