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Date: Wed, 13 Jun 2007 18:50:53 +0200 (MEST)
From: Patrick McHardy <kaber@...sh.net>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, Patrick McHardy <kaber@...sh.net>
Subject: [IFB 08/18]: Use rtnl_link API
[IFB]: Use rtnl_link API
Signed-off-by: Patrick McHardy <kaber@...sh.net>
---
commit 7cd41b2caa4f124f84d6f458fe913de8e3b492a3
tree c62fa740c7e41ab388da72b67a4e4538ad97eda7
parent cfbc876235237d990af80b7fc396f4458b5a1657
author Patrick McHardy <kaber@...sh.net> Wed, 06 Jun 2007 14:46:22 +0200
committer Patrick McHardy <kaber@...sh.net> Wed, 13 Jun 2007 18:10:30 +0200
drivers/net/ifb.c | 80 ++++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 60 insertions(+), 20 deletions(-)
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 819945e..669ee1a 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -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. */
dev->get_stats = ifb_get_stats;
dev->hard_start_xmit = ifb_xmit;
dev->open = &ifb_open;
dev->stop = &ifb_close;
+ dev->destructor = free_netdev;
/* Fill in device structure with ethernet-generic values. */
ether_setup(dev);
@@ -229,6 +230,37 @@ static int ifb_open(struct net_device *dev)
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)
{
struct net_device *dev_ifb;
@@ -241,38 +273,41 @@ static int __init ifb_init_one(int index)
if (!dev_ifb)
return -ENOMEM;
- if ((err = register_netdev(dev_ifb))) {
- free_netdev(dev_ifb);
- dev_ifb = NULL;
- } else {
- priv = netdev_priv(dev_ifb);
- priv->dev = dev_ifb;
- list_add_tail(&priv->list, &ifbs);
- }
+ err = dev_alloc_name(dev_ifb, dev_ifb->name);
+ if (err < 0)
+ goto err;
- return err;
-}
+ dev_ifb->rtnl_link_ops = &ifb_link_ops;
+ err = register_netdevice(dev_ifb);
+ if (err < 0)
+ goto err;
-static void ifb_free_one(struct net_device *dev)
-{
- struct ifb_private *priv = netdev_priv(dev);
+ priv = netdev_priv(dev_ifb);
+ priv->dev = dev_ifb;
+ list_add_tail(&priv->list, &ifbs);
+ return 0;
- list_del(&priv->list);
- unregister_netdev(dev);
- free_netdev(dev);
+err:
+ free_netdev(dev_ifb);
+ return err;
}
static int __init ifb_init_module(void)
{
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++)
err = ifb_init_one(i);
if (err) {
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;
}
@@ -281,11 +316,16 @@ static void __exit ifb_cleanup_module(void)
{
struct ifb_private *priv, *next;
+ rtnl_lock();
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_exit(ifb_cleanup_module);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jamal Hadi Salim");
+MODULE_ALIAS_RTNL_LINK("ifb");
-
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