diff options
| -rw-r--r-- | tun.c | 16 |
1 files changed, 10 insertions, 6 deletions
@@ -863,11 +863,10 @@ do_ifconfig (struct tuntap *tt, else { if (tt->topology == TOP_SUBNET) argv_printf (&argv, - "%s %s %s %s netmask %s mtu %d up", + "%s %s %s netmask %s mtu %d up", IFCONFIG_PATH, actual, ifconfig_local, - ifconfig_local, ifconfig_remote_netmask, tun_mtu ); @@ -1745,14 +1744,19 @@ open_tun (const char *dev, const char *dev_type, const char *dev_node, bool ipv6 { open_tun_generic (dev, dev_type, dev_node, ipv6, true, true, tt); - if (tt->fd >= 0) + if (tt->fd >= 0 && tt->type == DEV_TYPE_TUN) { int i = 0; - /* Disable extended modes */ - ioctl (tt->fd, TUNSLMODE, &i); + i = tt->topology == TOP_SUBNET ? IFF_BROADCAST : IFF_POINTOPOINT; + i |= IFF_MULTICAST; + if (ioctl (tt->fd, TUNSIFMODE, &i) < 0) { + msg (M_WARN | M_ERRNO, "ioctl(TUNSIFMODE): %s", strerror(errno)); + } i = 1; - ioctl (tt->fd, TUNSIFHEAD, &i); + if (ioctl (tt->fd, TUNSIFHEAD, &i) < 0) { + msg (M_WARN | M_ERRNO, "ioctl(TUNSIFHEAD): %s", strerror(errno)); + } } } |