#include <linux/wireless.h>
#include <net/iw_handler.h>
+#ifdef CONFIG_SYSFS
static const char fmt_hex[] = "%#x\n";
static const char fmt_long_hex[] = "%#lx\n";
static const char fmt_dec[] = "%d\n";
return netdev_store(dev, attr, buf, len, change_tx_queue_len);
}
-NETDEVICE_SHOW(weight, fmt_dec);
-
-static int change_weight(struct net_device *net, unsigned long new_weight)
-{
- net->weight = new_weight;
- return 0;
-}
-
-static ssize_t store_weight(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t len)
-{
- return netdev_store(dev, attr, buf, len, change_weight);
-}
-
static struct device_attribute net_class_attributes[] = {
__ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
__ATTR(iflink, S_IRUGO, show_iflink, NULL),
__ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags),
__ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
store_tx_queue_len),
- __ATTR(weight, S_IRUGO | S_IWUSR, show_weight, store_weight),
{}
};
read_lock(&dev_base_lock);
if (dev_isalive(dev)) {
- if(dev->wireless_handlers &&
- dev->wireless_handlers->get_wireless_stats)
+ if (dev->wireless_handlers &&
+ dev->wireless_handlers->get_wireless_stats)
iw = dev->wireless_handlers->get_wireless_stats(dev);
if (iw != NULL)
ret = (*format)(iw, buf);
};
#endif
+#endif /* CONFIG_SYSFS */
+
#ifdef CONFIG_HOTPLUG
-static int netdev_uevent(struct device *d, char **envp,
- int num_envp, char *buf, int size)
+static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
{
struct net_device *dev = to_net_dev(d);
- int i = 0;
- int n;
+ int retval;
/* pass interface to uevent. */
- envp[i++] = buf;
- n = snprintf(buf, size, "INTERFACE=%s", dev->name) + 1;
- buf += n;
- size -= n;
+ retval = add_uevent_var(env, "INTERFACE=%s", dev->name);
+ if (retval)
+ goto exit;
- if ((size <= 0) || (i >= num_envp))
- return -ENOMEM;
+ /* pass ifindex to uevent.
+ * ifindex is useful as it won't change (interface name may change)
+ * and is what RtNetlink uses natively. */
+ retval = add_uevent_var(env, "IFINDEX=%d", dev->ifindex);
- envp[i] = NULL;
- return 0;
+exit:
+ return retval;
}
#endif
static struct class net_class = {
.name = "net",
.dev_release = netdev_release,
+#ifdef CONFIG_SYSFS
.dev_attrs = net_class_attributes,
+#endif /* CONFIG_SYSFS */
#ifdef CONFIG_HOTPLUG
.dev_uevent = netdev_uevent,
#endif
};
-void netdev_unregister_sysfs(struct net_device * net)
+/* Delete sysfs entries but hold kobject reference until after all
+ * netdev references are gone.
+ */
+void netdev_unregister_kobject(struct net_device * net)
{
- device_del(&(net->dev));
+ struct device *dev = &(net->dev);
+
+ kobject_get(&dev->kobj);
+ device_del(dev);
}
/* Create sysfs entries for network device. */
-int netdev_register_sysfs(struct net_device *net)
+int netdev_register_kobject(struct net_device *net)
{
struct device *dev = &(net->dev);
struct attribute_group **groups = net->sysfs_groups;
BUILD_BUG_ON(BUS_ID_SIZE < IFNAMSIZ);
strlcpy(dev->bus_id, net->name, BUS_ID_SIZE);
+#ifdef CONFIG_SYSFS
if (net->get_stats)
*groups++ = &netstat_group;
if (net->wireless_handlers && net->wireless_handlers->get_wireless_stats)
*groups++ = &wireless_group;
#endif
+#endif /* CONFIG_SYSFS */
return device_add(dev);
}
-int netdev_sysfs_init(void)
+int netdev_kobject_init(void)
{
return class_register(&net_class);
}