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Date: Wed, 13 Jun 2007 18:50:50 +0200 (MEST)
From: Patrick McHardy <kaber@...sh.net>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, Patrick McHardy <kaber@...sh.net>
Subject: [DUMMY 06/18]: Use rtnl_link API
[DUMMY]: Use rtnl_link API
Signed-off-by: Patrick McHardy <kaber@...sh.net>
---
commit 379884fb0587cd4832ecf8785467209885204124
tree 8bce1ffae7d2b2afabba9bc5ab2c7b06402c51c1
parent 18094391f33349687e35eaf0e768b18a71523100
author Patrick McHardy <kaber@...sh.net> Wed, 06 Jun 2007 14:46:12 +0200
committer Patrick McHardy <kaber@...sh.net> Wed, 13 Jun 2007 18:10:30 +0200
drivers/net/dummy.c | 82 +++++++++++++++++++++++++++++++++++++++------------
1 files changed, 62 insertions(+), 20 deletions(-)
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 2f2cf3c..91126b9 100644
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -35,6 +35,7 @@
#include <linux/init.h>
#include <linux/moduleparam.h>
#include <linux/rtnetlink.h>
+#include <net/rtnetlink.h>
struct dummy_priv {
struct net_device *dev;
@@ -61,12 +62,13 @@ static void set_multicast_list(struct net_device *dev)
{
}
-static void __init dummy_setup(struct net_device *dev)
+static void dummy_setup(struct net_device *dev)
{
/* Initialize the device structure. */
dev->hard_start_xmit = dummy_xmit;
dev->set_multicast_list = set_multicast_list;
dev->set_mac_address = dummy_set_address;
+ dev->destructor = free_netdev;
/* Fill in device structure with ethernet-generic values. */
ether_setup(dev);
@@ -89,6 +91,37 @@ static int dummy_xmit(struct sk_buff *skb, struct net_device *dev)
static LIST_HEAD(dummies);
+static int dummy_newlink(struct net_device *dev,
+ struct nlattr *tb[], struct nlattr *data[])
+{
+ struct dummy_priv *priv = netdev_priv(dev);
+ int err;
+
+ err = register_netdevice(dev);
+ if (err < 0)
+ return err;
+
+ priv->dev = dev;
+ list_add_tail(&priv->list, &dummies);
+ return 0;
+}
+
+static void dummy_dellink(struct net_device *dev)
+{
+ struct dummy_priv *priv = netdev_priv(dev);
+
+ list_del(&priv->list);
+ unregister_netdevice(dev);
+}
+
+static struct rtnl_link_ops dummy_link_ops __read_mostly = {
+ .kind = "dummy",
+ .priv_size = sizeof(struct dummy_priv),
+ .setup = dummy_setup,
+ .newlink = dummy_newlink,
+ .dellink = dummy_dellink,
+};
+
/* Number of dummy devices to be set up by this module. */
module_param(numdummies, int, 0);
MODULE_PARM_DESC(numdummies, "Number of dummy pseudo devices");
@@ -105,25 +138,23 @@ static int __init dummy_init_one(void)
if (!dev_dummy)
return -ENOMEM;
- if ((err = register_netdev(dev_dummy))) {
- free_netdev(dev_dummy);
- dev_dummy = NULL;
- } else {
- priv = netdev_priv(dev_dummy);
- priv->dev = dev_dummy;
- list_add_tail(&priv->list, &dummies);
- }
+ err = dev_alloc_name(dev_dummy, dev_dummy->name);
+ if (err < 0)
+ goto err;
- return err;
-}
+ dev_dummy->rtnl_link_ops = &dummy_link_ops;
+ err = register_netdevice(dev_dummy);
+ if (err < 0)
+ goto err;
-static void dummy_free_one(struct net_device *dev)
-{
- struct dummy_priv *priv = netdev_priv(dev);
+ priv = netdev_priv(dev_dummy);
+ priv->dev = dev_dummy;
+ list_add_tail(&priv->list, &dummies);
+ return 0;
- list_del(&priv->list);
- unregister_netdev(dev);
- free_netdev(dev);
+err:
+ free_netdev(dev_dummy);
+ return err;
}
static int __init dummy_init_module(void)
@@ -131,12 +162,18 @@ static int __init dummy_init_module(void)
struct dummy_priv *priv, *next;
int i, err = 0;
+ rtnl_lock();
+ err = __rtnl_link_register(&dummy_link_ops);
+
for (i = 0; i < numdummies && !err; i++)
err = dummy_init_one();
- if (err) {
+ if (err < 0) {
list_for_each_entry_safe(priv, next, &dummies, list)
- dummy_free_one(priv->dev);
+ dummy_dellink(priv->dev);
+ __rtnl_link_unregister(&dummy_link_ops);
}
+ rtnl_unlock();
+
return err;
}
@@ -144,10 +181,15 @@ static void __exit dummy_cleanup_module(void)
{
struct dummy_priv *priv, *next;
+ rtnl_lock();
list_for_each_entry_safe(priv, next, &dummies, list)
- dummy_free_one(priv->dev);
+ dummy_dellink(priv->dev);
+
+ __rtnl_link_unregister(&dummy_link_ops);
+ rtnl_unlock();
}
module_init(dummy_init_module);
module_exit(dummy_cleanup_module);
MODULE_LICENSE("GPL");
+MODULE_ALIAS_RTNL_LINK("dummy");
-
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