igb: move all multicast addresses into multicast table array

[mv-sheeva.git] / drivers / net / tun.c

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 11a0ba47b67782d920f3bf5cb36d3e24d4874b63..a998b6a9c245bc94f96d418faa377aaefb870a00 100644 (file)
--- 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)
@@ -486,12 +486,14 @@ static unsigned int tun_chr_poll(struct file *file, poll_table * wait)
 {
        struct tun_file *tfile = file->private_data;
        struct tun_struct *tun = __tun_get(tfile);
-       struct sock *sk = tun->sk;
+       struct sock *sk;
        unsigned int mask = 0;
 
        if (!tun)
                return POLLERR;
 
+       sk = tun->sk;
+
        DBG(KERN_INFO "%s: tun_chr_poll\n", tun->dev->name);
 
        poll_wait(file, &tun->socket.wait, wait);
@@ -639,6 +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);
@@ -724,6 +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)
@@ -995,7 +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;
@@ -1072,7 +1078,8 @@ 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;
@@ -1089,6 +1096,11 @@ 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
@@ -1324,20 +1336,22 @@ static int tun_chr_close(struct inode *inode, struct file *file)
        struct tun_file *tfile = file->private_data;
        struct tun_struct *tun;
 
-
-       rtnl_lock();
        tun = __tun_get(tfile);
        if (tun) {
-               DBG(KERN_INFO "%s: tun_chr_close\n", tun->dev->name);
+               struct net_device *dev = tun->dev;
+
+               DBG(KERN_INFO "%s: tun_chr_close\n", dev->name);
 
                __tun_detach(tun);
 
                /* If desireable, unregister the netdevice. */
-               if (!(tun->flags & TUN_PERSIST))
-                       unregister_netdevice(tun->dev);
-
+               if (!(tun->flags & TUN_PERSIST)) {
+                       rtnl_lock();
+                       if (dev->reg_state == NETREG_REGISTERED)
+                               unregister_netdevice(dev);
+                       rtnl_unlock();
+               }
        }
-       rtnl_unlock();
 
        tun = tfile->tun;
        if (tun)