leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[IFB]: Use rtnl_link API

Browse Source 
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-06-13 12:05:06 -07:00 committed by David S. Miller
parent 62b7ffcaaa
commit 9ba2cd6560
1 changed files with 61 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

82
drivers/net/ifb.c
View File

@ -139,13 +139,14 @@ resched:
} }
static void __init ifb_setup(struct net_device *dev) static void ifb_setup(struct net_device *dev)
{ {
/* Initialize the device structure. */ /* Initialize the device structure. */
dev->get_stats = ifb_get_stats; dev->get_stats = ifb_get_stats;
dev->hard_start_xmit = ifb_xmit; dev->hard_start_xmit = ifb_xmit;
dev->open = &ifb_open; dev->open = &ifb_open;
dev->stop = &ifb_close; dev->stop = &ifb_close;
dev->destructor = free_netdev;
/* Fill in device structure with ethernet-generic values. */ /* Fill in device structure with ethernet-generic values. */
ether_setup(dev); ether_setup(dev);
@ -229,6 +230,37 @@ static int ifb_open(struct net_device *dev)
return 0; return 0;
} }
static int ifb_newlink(struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
struct ifb_private *priv = netdev_priv(dev);
int err;
err = register_netdevice(dev);
if (err < 0)
return err;
priv->dev = dev;
list_add_tail(&priv->list, &ifbs);
return 0;
}
static void ifb_dellink(struct net_device *dev)
{
struct ifb_private *priv = netdev_priv(dev);
list_del(&priv->list);
unregister_netdevice(dev);
}
static struct rtnl_link_ops ifb_link_ops __read_mostly = {
.kind = "ifb",
.priv_size = sizeof(struct ifb_private),
.setup = ifb_setup,
.newlink = ifb_newlink,
.dellink = ifb_dellink,
};
static int __init ifb_init_one(int index) static int __init ifb_init_one(int index)
{ {
struct net_device *dev_ifb; struct net_device *dev_ifb;
@ -241,38 +273,41 @@ static int __init ifb_init_one(int index)
if (!dev_ifb) if (!dev_ifb)
return -ENOMEM; return -ENOMEM;
if ((err = register_netdev(dev_ifb))) { err = dev_alloc_name(dev_ifb, dev_ifb->name);
free_netdev(dev_ifb); if (err < 0)
dev_ifb = NULL; goto err;
} else {
priv = netdev_priv(dev_ifb);
priv->dev = dev_ifb;
list_add_tail(&priv->list, &ifbs);
}
dev_ifb->rtnl_link_ops = &ifb_link_ops;
err = register_netdevice(dev_ifb);
if (err < 0)
goto err;
priv = netdev_priv(dev_ifb);
priv->dev = dev_ifb;
list_add_tail(&priv->list, &ifbs);
return 0;
err:
free_netdev(dev_ifb);
return err; return err;
} }
static void ifb_free_one(struct net_device *dev)
{
struct ifb_private *priv = netdev_priv(dev);
list_del(&priv->list);
unregister_netdev(dev);
free_netdev(dev);
}
static int __init ifb_init_module(void) static int __init ifb_init_module(void)
{ {
struct ifb_private *priv, *next; struct ifb_private *priv, *next;
int i, err = 0; int i, err;
rtnl_lock();
err = __rtnl_link_register(&ifb_link_ops);
for (i = 0; i < numifbs && !err; i++) for (i = 0; i < numifbs && !err; i++)
err = ifb_init_one(i); err = ifb_init_one(i);
if (err) { if (err) {
list_for_each_entry_safe(priv, next, &ifbs, list) list_for_each_entry_safe(priv, next, &ifbs, list)
ifb_free_one(priv->dev); ifb_dellink(priv->dev);
__rtnl_link_unregister(&ifb_link_ops);
} }
rtnl_unlock();
return err; return err;
} }
@ -281,11 +316,16 @@ static void __exit ifb_cleanup_module(void)
{ {
struct ifb_private *priv, *next; struct ifb_private *priv, *next;
rtnl_lock();
list_for_each_entry_safe(priv, next, &ifbs, list) list_for_each_entry_safe(priv, next, &ifbs, list)
ifb_free_one(priv->dev); ifb_dellink(priv->dev);
__rtnl_link_unregister(&ifb_link_ops);
rtnl_unlock();
} }
module_init(ifb_init_module); module_init(ifb_init_module);
module_exit(ifb_cleanup_module); module_exit(ifb_cleanup_module);
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jamal Hadi Salim"); MODULE_AUTHOR("Jamal Hadi Salim");
MODULE_ALIAS_RTNL_LINK("ifb");