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path: root/drivers/net/tun.c
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Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r--drivers/net/tun.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 42b6c6319bc..2533f5cf2e4 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -398,12 +398,12 @@ static int tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
if (tun->flags & TUN_FASYNC)
kill_fasync(&tun->fasync, SIGIO, POLL_IN);
wake_up_interruptible(&tun->socket.wait);
- return 0;
+ return NETDEV_TX_OK;
drop:
dev->stats.tx_dropped++;
kfree_skb(skb);
- return 0;
+ return NETDEV_TX_OK;
}
static void tun_net_mclist(struct net_device *dev)
@@ -641,6 +641,9 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun,
case VIRTIO_NET_HDR_GSO_TCPV6:
skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;
break;
+ case VIRTIO_NET_HDR_GSO_UDP:
+ skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
+ break;
default:
tun->dev->stats.rx_frame_errors++;
kfree_skb(skb);
@@ -726,6 +729,8 @@ static __inline__ ssize_t tun_put_user(struct tun_struct *tun,
gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV4;
else if (sinfo->gso_type & SKB_GSO_TCPV6)
gso.gso_type = VIRTIO_NET_HDR_GSO_TCPV6;
+ else if (sinfo->gso_type & SKB_GSO_UDP)
+ gso.gso_type = VIRTIO_NET_HDR_GSO_UDP;
else
BUG();
if (sinfo->gso_type & SKB_GSO_TCP_ECN)
@@ -997,7 +1002,6 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
goto err_free_sk;
}
- err = -EINVAL;
err = register_netdevice(tun->dev);
if (err < 0)
goto err_free_sk;
@@ -1069,7 +1073,8 @@ static int set_offload(struct net_device *dev, unsigned long arg)
old_features = dev->features;
/* Unset features, set them as we chew on the arg. */
features = (old_features & ~(NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST
- |NETIF_F_TSO_ECN|NETIF_F_TSO|NETIF_F_TSO6));
+ |NETIF_F_TSO_ECN|NETIF_F_TSO|NETIF_F_TSO6
+ |NETIF_F_UFO));
if (arg & TUN_F_CSUM) {
features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
@@ -1086,6 +1091,11 @@ static int set_offload(struct net_device *dev, unsigned long arg)
features |= NETIF_F_TSO6;
arg &= ~(TUN_F_TSO4|TUN_F_TSO6);
}
+
+ if (arg & TUN_F_UFO) {
+ features |= NETIF_F_UFO;
+ arg &= ~TUN_F_UFO;
+ }
}
/* This gives the user a way to test for new features in future by