[NETNS]: Add netns refcnt debug for network devices.

[mv-sheeva.git] / net / core / dev.c

diff --git a/net/core/dev.c b/net/core/dev.c
index 908f07c3bd7dcec4b543c27382b57ad2df9d8993..77530e9a34fc83fea16010e292ad002ea8a36d5a 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -216,7 +216,7 @@ static inline struct hlist_head *dev_index_hash(struct net *net, int ifindex)
 /* Device list insertion */
 static int list_netdevice(struct net_device *dev)
 {
-       struct net *net = dev->nd_net;
+       struct net *net = dev_net(dev);
 
        ASSERT_RTNL();
 
@@ -852,8 +852,8 @@ int dev_alloc_name(struct net_device *dev, const char *name)
        struct net *net;
        int ret;
 
-       BUG_ON(!dev->nd_net);
-       net = dev->nd_net;
+       BUG_ON(!dev_net(dev));
+       net = dev_net(dev);
        ret = __dev_alloc_name(net, name, buf);
        if (ret >= 0)
                strlcpy(dev->name, buf, IFNAMSIZ);
@@ -877,9 +877,9 @@ int dev_change_name(struct net_device *dev, char *newname)
        struct net *net;
 
        ASSERT_RTNL();
-       BUG_ON(!dev->nd_net);
+       BUG_ON(!dev_net(dev));
 
-       net = dev->nd_net;
+       net = dev_net(dev);
        if (dev->flags & IFF_UP)
                return -EBUSY;
 
@@ -2615,7 +2615,7 @@ static int ptype_seq_show(struct seq_file *seq, void *v)
 
        if (v == SEQ_START_TOKEN)
                seq_puts(seq, "Type Device      Function\n");
-       else {
+       else if (pt->dev == NULL || dev_net(pt->dev) == seq_file_net(seq)) {
                if (pt->type == htons(ETH_P_ALL))
                        seq_puts(seq, "ALL ");
                else
@@ -2639,7 +2639,8 @@ static const struct seq_operations ptype_seq_ops = {
 
 static int ptype_seq_open(struct inode *inode, struct file *file)
 {
-       return seq_open(file, &ptype_seq_ops);
+       return seq_open_net(inode, file, &ptype_seq_ops,
+                       sizeof(struct seq_net_private));
 }
 
 static const struct file_operations ptype_seq_fops = {
@@ -2647,7 +2648,7 @@ static const struct file_operations ptype_seq_fops = {
        .open    = ptype_seq_open,
        .read    = seq_read,
        .llseek  = seq_lseek,
-       .release = seq_release,
+       .release = seq_release_net,
 };
 
 
@@ -2900,7 +2901,7 @@ int __dev_addr_add(struct dev_addr_list **list, int *count,
                }
        }
 
-       da = kmalloc(sizeof(*da), GFP_ATOMIC);
+       da = kzalloc(sizeof(*da), GFP_ATOMIC);
        if (da == NULL)
                return -ENOMEM;
        memcpy(da->da_addr, addr, alen);
@@ -3329,7 +3330,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
                        return -EOPNOTSUPP;
 
                case SIOCADDMULTI:
-                       if (!dev->set_multicast_list ||
+                       if ((!dev->set_multicast_list && !dev->set_rx_mode) ||
                            ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
                                return -EINVAL;
                        if (!netif_device_present(dev))
@@ -3338,7 +3339,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, unsigned int cmd)
                                          dev->addr_len, 1);
 
                case SIOCDELMULTI:
-                       if (!dev->set_multicast_list ||
+                       if ((!dev->set_multicast_list && !dev->set_rx_mode) ||
                            ifr->ifr_hwaddr.sa_family != AF_UNSPEC)
                                return -EINVAL;
                        if (!netif_device_present(dev))
@@ -3688,8 +3689,8 @@ int register_netdevice(struct net_device *dev)
 
        /* When net_device's are persistent, this will be fatal. */
        BUG_ON(dev->reg_state != NETREG_UNINITIALIZED);
-       BUG_ON(!dev->nd_net);
-       net = dev->nd_net;
+       BUG_ON(!dev_net(dev));
+       net = dev_net(dev);
 
        spin_lock_init(&dev->queue_lock);
        spin_lock_init(&dev->_xmit_lock);
@@ -4010,7 +4011,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
        dev = (struct net_device *)
                (((long)p + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
        dev->padded = (char *)dev - (char *)p;
-       dev->nd_net = &init_net;
+       dev_net_set(dev, &init_net);
 
        if (sizeof_priv) {
                dev->priv = ((char *)dev +
@@ -4021,6 +4022,7 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
        }
 
        dev->egress_subqueue_count = queue_count;
+       dev->gso_max_size = GSO_MAX_SIZE;
 
        dev->get_stats = internal_stats;
        netpoll_netdev_init(dev);
@@ -4040,6 +4042,8 @@ EXPORT_SYMBOL(alloc_netdev_mq);
  */
 void free_netdev(struct net_device *dev)
 {
+       release_net(dev_net(dev));
+
        /*  Compatibility with error handling in drivers */
        if (dev->reg_state == NETREG_UNINITIALIZED) {
                kfree((char *)dev - dev->padded);
@@ -4134,7 +4138,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
 
        /* Get out if there is nothing todo */
        err = 0;
-       if (dev->nd_net == net)
+       if (net_eq(dev_net(dev), net))
                goto out;
 
        /* Pick the destination device name, and ensure
@@ -4185,7 +4189,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
        dev_addr_discard(dev);
 
        /* Actually switch the network namespace */
-       dev->nd_net = net;
+       dev_net_set(dev, net);
 
        /* Assign the new device name */
        if (destname != dev->name)