tuntap: restore default qdisc

[ Upstream commit 016adb7260f481168c03e09f785184d6d5278894 ]

After commit f84bb1eac0 ("net: fix IFF_NO_QUEUE for drivers using
alloc_netdev"), default qdisc was changed to noqueue because
tuntap does not set tx_queue_len during .setup(). This patch restores
default qdisc by setting tx_queue_len in tun_setup().

Fixes: f84bb1eac0 ("net: fix IFF_NO_QUEUE for drivers using alloc_netdev")
Cc: Phil Sutter <phil@nwl.cc>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jason Wang 2016-04-08 13:26:48 +08:00 committed by Greg Kroah-Hartman
parent e137eeb38d
commit 9daaadbe7b

View file

@ -1001,7 +1001,6 @@ static void tun_net_init(struct net_device *dev)
/* Zero header length */
dev->type = ARPHRD_NONE;
dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */
break;
case IFF_TAP:
@ -1013,7 +1012,6 @@ static void tun_net_init(struct net_device *dev)
eth_hw_addr_random(dev);
dev->tx_queue_len = TUN_READQ_SIZE; /* We prefer our own queue length */
break;
}
}
@ -1464,6 +1462,8 @@ static void tun_setup(struct net_device *dev)
dev->ethtool_ops = &tun_ethtool_ops;
dev->destructor = tun_free_netdev;
/* We prefer our own queue length */
dev->tx_queue_len = TUN_READQ_SIZE;
}
/* Trivial set of netlink ops to allow deleting tun or tap