of: Always use 'struct device.of_node' to get device node pointer.

[safe/jmp/linux-2.6] / drivers / net / dummy.c

diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 60673bc..37dcfdc 100644 (file)
--- a/drivers/net/dummy.c
+++ b/drivers/net/dummy.c
@@ -34,12 +34,11 @@
 #include <linux/etherdevice.h>
 #include <linux/init.h>
 #include <linux/moduleparam.h>
+#include <linux/rtnetlink.h>
+#include <net/rtnetlink.h>
 
 static int numdummies = 1;
 
-static int dummy_xmit(struct sk_buff *skb, struct net_device *dev);
-static struct net_device_stats *dummy_get_stats(struct net_device *dev);
-
 static int dummy_set_address(struct net_device *dev, void *p)
 {
        struct sockaddr *sa = p;
@@ -56,97 +55,104 @@ static void set_multicast_list(struct net_device *dev)
 {
 }
 
-static void __init dummy_setup(struct net_device *dev)
+
+static netdev_tx_t dummy_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+       dev->stats.tx_packets++;
+       dev->stats.tx_bytes += skb->len;
+
+       dev_kfree_skb(skb);
+       return NETDEV_TX_OK;
+}
+
+static const struct net_device_ops dummy_netdev_ops = {
+       .ndo_start_xmit         = dummy_xmit,
+       .ndo_validate_addr      = eth_validate_addr,
+       .ndo_set_multicast_list = set_multicast_list,
+       .ndo_set_mac_address    = dummy_set_address,
+};
+
+static void dummy_setup(struct net_device *dev)
 {
+       ether_setup(dev);
+
        /* Initialize the device structure. */
-       dev->get_stats = dummy_get_stats;
-       dev->hard_start_xmit = dummy_xmit;
-       dev->set_multicast_list = set_multicast_list;
-       dev->set_mac_address = dummy_set_address;
+       dev->netdev_ops = &dummy_netdev_ops;
+       dev->destructor = free_netdev;
 
        /* Fill in device structure with ethernet-generic values. */
-       ether_setup(dev);
        dev->tx_queue_len = 0;
-       dev->change_mtu = NULL;
        dev->flags |= IFF_NOARP;
        dev->flags &= ~IFF_MULTICAST;
-       SET_MODULE_OWNER(dev);
        random_ether_addr(dev->dev_addr);
 }
-
-static int dummy_xmit(struct sk_buff *skb, struct net_device *dev)
+static int dummy_validate(struct nlattr *tb[], struct nlattr *data[])
 {
-       struct net_device_stats *stats = netdev_priv(dev);
-
-       stats->tx_packets++;
-       stats->tx_bytes+=skb->len;
-
-       dev_kfree_skb(skb);
+       if (tb[IFLA_ADDRESS]) {
+               if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
+                       return -EINVAL;
+               if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
+                       return -EADDRNOTAVAIL;
+       }
        return 0;
 }
 
-static struct net_device_stats *dummy_get_stats(struct net_device *dev)
-{
-       return netdev_priv(dev);
-}
-
-static struct net_device **dummies;
+static struct rtnl_link_ops dummy_link_ops __read_mostly = {
+       .kind           = "dummy",
+       .setup          = dummy_setup,
+       .validate       = dummy_validate,
+};
 
 /* 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");
 
-static int __init dummy_init_one(int index)
+static int __init dummy_init_one(void)
 {
        struct net_device *dev_dummy;
        int err;
 
-       dev_dummy = alloc_netdev(sizeof(struct net_device_stats),
-                                "dummy%d", dummy_setup);
-
+       dev_dummy = alloc_netdev(0, "dummy%d", dummy_setup);
        if (!dev_dummy)
                return -ENOMEM;
 
-       if ((err = register_netdev(dev_dummy))) {
-               free_netdev(dev_dummy);
-               dev_dummy = NULL;
-       } else {
-               dummies[index] = dev_dummy;
-       }
+       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;
+       return 0;
 
-static void dummy_free_one(int index)
-{
-       unregister_netdev(dummies[index]);
-       free_netdev(dummies[index]);
+err:
+       free_netdev(dev_dummy);
+       return err;
 }
 
 static int __init dummy_init_module(void)
 {
        int i, err = 0;
-       dummies = kmalloc(numdummies * sizeof(void *), GFP_KERNEL);
-       if (!dummies)
-               return -ENOMEM;
+
+       rtnl_lock();
+       err = __rtnl_link_register(&dummy_link_ops);
+
        for (i = 0; i < numdummies && !err; i++)
-               err = dummy_init_one(i);
-       if (err) {
-               i--;
-               while (--i >= 0)
-                       dummy_free_one(i);
-       }
+               err = dummy_init_one();
+       if (err < 0)
+               __rtnl_link_unregister(&dummy_link_ops);
+       rtnl_unlock();
+
        return err;
 }
 
 static void __exit dummy_cleanup_module(void)
 {
-       int i;
-       for (i = 0; i < numdummies; i++)
-               dummy_free_one(i);
-       kfree(dummies);
+       rtnl_link_unregister(&dummy_link_ops);
 }
 
 module_init(dummy_init_module);
 module_exit(dummy_cleanup_module);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_RTNL_LINK("dummy");