}
/* called with RTNL */
-static void del_br(struct net_bridge *br)
+static void del_br(struct net_bridge *br, struct list_head *head)
{
struct net_bridge_port *p, *n;
del_timer_sync(&br->gc_timer);
br_sysfs_delbr(br->dev);
- unregister_netdevice(br->dev);
+ unregister_netdevice_queue(br->dev, head);
}
static struct net_device *new_bridge_dev(struct net *net, const char *name)
br_netfilter_rtable_init(br);
- INIT_LIST_HEAD(&br->age_list);
-
br_stp_timer_init(br);
return dev;
p->path_cost = port_cost(dev);
p->priority = 0x8000 >> BR_PORT_BITS;
p->port_no = index;
+ p->flags = 0;
br_init_port(p);
p->state = BR_STATE_DISABLED;
br_stp_port_timer_init(p);
return p;
}
+static struct device_type br_type = {
+ .name = "bridge",
+};
+
int br_add_bridge(struct net *net, const char *name)
{
struct net_device *dev;
goto out_free;
}
+ SET_NETDEV_DEVTYPE(dev, &br_type);
+
ret = register_netdevice(dev);
if (ret)
goto out_free;
}
else
- del_br(netdev_priv(dev));
+ del_br(netdev_priv(dev), NULL);
rtnl_unlock();
return ret;
struct net_bridge_port *p;
int err = 0;
- if (dev->flags & IFF_LOOPBACK || dev->type != ARPHRD_ETHER)
+ /* Don't allow bridging non-ethernet like devices */
+ if ((dev->flags & IFF_LOOPBACK) ||
+ dev->type != ARPHRD_ETHER || dev->addr_len != ETH_ALEN)
return -EINVAL;
+ /* No bridging of bridges */
if (dev->netdev_ops->ndo_start_xmit == br_dev_xmit)
return -ELOOP;
+ /* Device is already being bridged */
if (dev->br_port != NULL)
return -EBUSY;
+ /* No bridging devices that dislike that (e.g. wireless) */
+ if (dev->priv_flags & IFF_DONT_BRIDGE)
+ return -EOPNOTSUPP;
+
p = new_nbp(br, dev);
if (IS_ERR(p))
return PTR_ERR(p);
err2:
br_fdb_delete_by_port(br, p, 1);
err1:
- kobject_del(&p->kobj);
+ kobject_put(&p->kobj);
+ p = NULL; /* kobject_put frees */
err0:
dev_set_promiscuity(dev, -1);
put_back:
return 0;
}
-void br_net_exit(struct net *net)
+void __net_exit br_net_exit(struct net *net)
{
struct net_device *dev;
+ LIST_HEAD(list);
rtnl_lock();
-restart:
- for_each_netdev(net, dev) {
- if (dev->priv_flags & IFF_EBRIDGE) {
- del_br(netdev_priv(dev));
- goto restart;
- }
- }
+ for_each_netdev(net, dev)
+ if (dev->priv_flags & IFF_EBRIDGE)
+ del_br(netdev_priv(dev), &list);
+
+ unregister_netdevice_many(&list);
rtnl_unlock();
}