* 2 of the License, or (at your option) any later version.
*/
-#include <linux/config.h>
+#include <linux/capability.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <net/sock.h>
#include <linux/rtnetlink.h>
#include <linux/wireless.h>
+#include <net/iw_handler.h>
#define to_class_dev(obj) container_of(obj,struct class_device,kobj)
#define to_net_dev(class) container_of(class, struct net_device, class_dev)
static const char fmt_hex[] = "%#x\n";
+static const char fmt_long_hex[] = "%#lx\n";
static const char fmt_dec[] = "%d\n";
static const char fmt_ulong[] = "%lu\n";
static inline int dev_isalive(const struct net_device *dev)
{
- return dev->reg_state == NETREG_REGISTERED;
+ return dev->reg_state <= NETREG_REGISTERED;
}
/* use same locking rules as GIF* ioctl's */
return ret;
}
-/* generate a read-only network device class attribute */
-#define NETDEVICE_ATTR(field, format_string) \
-NETDEVICE_SHOW(field, format_string) \
-static CLASS_DEVICE_ATTR(field, S_IRUGO, show_##field, NULL) \
-
-NETDEVICE_ATTR(addr_len, fmt_dec);
-NETDEVICE_ATTR(iflink, fmt_dec);
-NETDEVICE_ATTR(ifindex, fmt_dec);
-NETDEVICE_ATTR(features, fmt_hex);
-NETDEVICE_ATTR(type, fmt_dec);
+NETDEVICE_SHOW(addr_len, fmt_dec);
+NETDEVICE_SHOW(iflink, fmt_dec);
+NETDEVICE_SHOW(ifindex, fmt_dec);
+NETDEVICE_SHOW(features, fmt_long_hex);
+NETDEVICE_SHOW(type, fmt_dec);
+NETDEVICE_SHOW(link_mode, fmt_dec);
/* use same locking rules as GIFHWADDR ioctl's */
static ssize_t format_addr(char *buf, const unsigned char *addr, int len)
return -EINVAL;
}
-static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
-static CLASS_DEVICE_ATTR(broadcast, S_IRUGO, show_broadcast, NULL);
+static ssize_t show_carrier(struct class_device *dev, char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+ if (netif_running(netdev)) {
+ return sprintf(buf, fmt_dec, !!netif_carrier_ok(netdev));
+ }
+ return -EINVAL;
+}
+
+static ssize_t show_dormant(struct class_device *dev, char *buf)
+{
+ struct net_device *netdev = to_net_dev(dev);
+
+ if (netif_running(netdev))
+ return sprintf(buf, fmt_dec, !!netif_dormant(netdev));
+
+ return -EINVAL;
+}
+
+static const char *operstates[] = {
+ "unknown",
+ "notpresent", /* currently unused */
+ "down",
+ "lowerlayerdown",
+ "testing", /* currently unused */
+ "dormant",
+ "up"
+};
+
+static ssize_t show_operstate(struct class_device *dev, char *buf)
+{
+ const struct net_device *netdev = to_net_dev(dev);
+ unsigned char operstate;
+
+ read_lock(&dev_base_lock);
+ operstate = netdev->operstate;
+ if (!netif_running(netdev))
+ operstate = IF_OPER_DOWN;
+ read_unlock(&dev_base_lock);
+
+ if (operstate >= ARRAY_SIZE(operstates))
+ return -EINVAL; /* should not happen */
+
+ return sprintf(buf, "%s\n", operstates[operstate]);
+}
/* read-write attributes */
NETDEVICE_SHOW(mtu, fmt_dec);
return netdev_store(dev, buf, len, change_mtu);
}
-static CLASS_DEVICE_ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu);
-
NETDEVICE_SHOW(flags, fmt_hex);
static int change_flags(struct net_device *net, unsigned long new_flags)
return netdev_store(dev, buf, len, change_flags);
}
-static CLASS_DEVICE_ATTR(flags, S_IRUGO | S_IWUSR, show_flags, store_flags);
-
NETDEVICE_SHOW(tx_queue_len, fmt_ulong);
static int change_tx_queue_len(struct net_device *net, unsigned long new_len)
return netdev_store(dev, buf, len, change_tx_queue_len);
}
-static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len,
- store_tx_queue_len);
-
-
-static struct class_device_attribute *net_class_attributes[] = {
- &class_device_attr_ifindex,
- &class_device_attr_iflink,
- &class_device_attr_addr_len,
- &class_device_attr_tx_queue_len,
- &class_device_attr_features,
- &class_device_attr_mtu,
- &class_device_attr_flags,
- &class_device_attr_type,
- &class_device_attr_address,
- &class_device_attr_broadcast,
- NULL
+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 class_device *dev, const char *buf, size_t len)
+{
+ return netdev_store(dev, buf, len, change_weight);
+}
+
+static struct class_device_attribute net_class_attributes[] = {
+ __ATTR(addr_len, S_IRUGO, show_addr_len, NULL),
+ __ATTR(iflink, S_IRUGO, show_iflink, NULL),
+ __ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
+ __ATTR(features, S_IRUGO, show_features, NULL),
+ __ATTR(type, S_IRUGO, show_type, NULL),
+ __ATTR(link_mode, S_IRUGO, show_link_mode, NULL),
+ __ATTR(address, S_IRUGO, show_address, NULL),
+ __ATTR(broadcast, S_IRUGO, show_broadcast, NULL),
+ __ATTR(carrier, S_IRUGO, show_carrier, NULL),
+ __ATTR(dormant, S_IRUGO, show_dormant, NULL),
+ __ATTR(operstate, S_IRUGO, show_operstate, NULL),
+ __ATTR(mtu, S_IRUGO | S_IWUSR, show_mtu, store_mtu),
+ __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),
+ {}
};
/* Show a given an attribute in the statistics group */
char *))
{
struct net_device *dev = to_net_dev(cd);
- const struct iw_statistics *iw;
+ const struct iw_statistics *iw = NULL;
ssize_t ret = -EINVAL;
read_lock(&dev_base_lock);
- if (dev_isalive(dev) && dev->get_wireless_stats
- && (iw = dev->get_wireless_stats(dev)) != NULL)
- ret = (*format)(iw, buf);
+ if (dev_isalive(dev)) {
+ if(dev->wireless_handlers &&
+ dev->wireless_handlers->get_wireless_stats)
+ iw = dev->wireless_handlers->get_wireless_stats(dev);
+ else if (dev->get_wireless_stats)
+ iw = dev->get_wireless_stats(dev);
+ if (iw != NULL)
+ ret = (*format)(iw, buf);
+ }
read_unlock(&dev_base_lock);
return ret;
#endif
#ifdef CONFIG_HOTPLUG
-static int netdev_hotplug(struct class_device *cd, char **envp,
- int num_envp, char *buf, int size)
+static int netdev_uevent(struct class_device *cd, char **envp,
+ int num_envp, char *buf, int size)
{
struct net_device *dev = to_net_dev(cd);
int i = 0;
int n;
- /* pass interface in env to hotplug. */
+ /* pass interface to uevent. */
envp[i++] = buf;
n = snprintf(buf, size, "INTERFACE=%s", dev->name) + 1;
buf += n;
static struct class net_class = {
.name = "net",
.release = netdev_release,
+ .class_dev_attrs = net_class_attributes,
#ifdef CONFIG_HOTPLUG
- .hotplug = netdev_hotplug,
+ .uevent = netdev_uevent,
#endif
};
void netdev_unregister_sysfs(struct net_device * net)
{
- struct class_device * class_dev = &(net->class_dev);
-
- if (net->get_stats)
- sysfs_remove_group(&class_dev->kobj, &netstat_group);
-
-#ifdef WIRELESS_EXT
- if (net->get_wireless_stats)
- sysfs_remove_group(&class_dev->kobj, &wireless_group);
-#endif
- class_device_del(class_dev);
-
+ class_device_del(&(net->class_dev));
}
/* Create sysfs entries for network device. */
int netdev_register_sysfs(struct net_device *net)
{
struct class_device *class_dev = &(net->class_dev);
- int i;
- struct class_device_attribute *attr;
- int ret;
+ struct attribute_group **groups = net->sysfs_groups;
+ class_device_initialize(class_dev);
class_dev->class = &net_class;
class_dev->class_data = net;
- net->last_stats = net->get_stats;
+ class_dev->groups = groups;
+ BUILD_BUG_ON(BUS_ID_SIZE < IFNAMSIZ);
strlcpy(class_dev->class_id, net->name, BUS_ID_SIZE);
- if ((ret = class_device_register(class_dev)))
- goto out;
-
- for (i = 0; (attr = net_class_attributes[i]) != NULL; i++) {
- if ((ret = class_device_create_file(class_dev, attr)))
- goto out_unreg;
- }
-
- if (net->get_stats &&
- (ret = sysfs_create_group(&class_dev->kobj, &netstat_group)))
- goto out_unreg;
+ if (net->get_stats)
+ *groups++ = &netstat_group;
#ifdef WIRELESS_EXT
- if (net->get_wireless_stats &&
- (ret = sysfs_create_group(&class_dev->kobj, &wireless_group)))
- goto out_cleanup;
-
- return 0;
-out_cleanup:
- if (net->get_stats)
- sysfs_remove_group(&class_dev->kobj, &netstat_group);
-#else
- return 0;
+ if (net->get_wireless_stats
+ || (net->wireless_handlers && net->wireless_handlers->get_wireless_stats))
+ *groups++ = &wireless_group;
#endif
-out_unreg:
- printk(KERN_WARNING "%s: sysfs attribute registration failed %d\n",
- net->name, ret);
- class_device_unregister(class_dev);
-out:
- return ret;
+ return class_device_add(class_dev);
}
int netdev_sysfs_init(void)
git://git.onelab.eu / linux-2.6.git / blobdiff