diff options
Diffstat (limited to 'drivers/net/dummy.c')
-rw-r--r-- | drivers/net/dummy.c | 82 |
1 files changed, 43 insertions, 39 deletions
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c index 60673bc292c..756a6bcb038 100644 --- a/drivers/net/dummy.c +++ b/drivers/net/dummy.c @@ -34,11 +34,12 @@ #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) { @@ -56,13 +57,13 @@ 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->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->destructor = free_netdev; /* Fill in device structure with ethernet-generic values. */ ether_setup(dev); @@ -76,77 +77,80 @@ static void __init dummy_setup(struct net_device *dev) static int dummy_xmit(struct sk_buff *skb, struct net_device *dev) { - struct net_device_stats *stats = netdev_priv(dev); - - stats->tx_packets++; - stats->tx_bytes+=skb->len; + dev->stats.tx_packets++; + dev->stats.tx_bytes += skb->len; dev_kfree_skb(skb); return 0; } -static struct net_device_stats *dummy_get_stats(struct net_device *dev) +static int dummy_validate(struct nlattr *tb[], struct nlattr *data[]) { - return netdev_priv(dev); + 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 **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"); |