summaryrefslogtreecommitdiffstats
path: root/net/core/net-sysfs.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/net-sysfs.c')
-rw-r--r--net/core/net-sysfs.c105
1 files changed, 45 insertions, 60 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index e2137f3e489..e8b2acbc8ea 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -9,6 +9,7 @@
* 2 of the License, or (at your option) any later version.
*/
+#include <linux/capability.h>
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
@@ -16,6 +17,7 @@
#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)
@@ -84,16 +86,11 @@ static ssize_t netdev_store(struct class_device *dev,
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_long_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);
/* use same locking rules as GIFHWADDR ioctl's */
static ssize_t format_addr(char *buf, const unsigned char *addr, int len)
@@ -136,10 +133,6 @@ static ssize_t show_carrier(struct class_device *dev, char *buf)
return -EINVAL;
}
-static CLASS_DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
-static CLASS_DEVICE_ATTR(broadcast, S_IRUGO, show_broadcast, NULL);
-static CLASS_DEVICE_ATTR(carrier, S_IRUGO, show_carrier, NULL);
-
/* read-write attributes */
NETDEVICE_SHOW(mtu, fmt_dec);
@@ -153,8 +146,6 @@ static ssize_t store_mtu(struct class_device *dev, const char *buf, size_t len)
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)
@@ -167,8 +158,6 @@ static ssize_t store_flags(struct class_device *dev, const char *buf, size_t len
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)
@@ -182,9 +171,6 @@ static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, siz
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);
-
NETDEVICE_SHOW(weight, fmt_dec);
static int change_weight(struct net_device *net, unsigned long new_weight)
@@ -198,24 +184,21 @@ static ssize_t store_weight(struct class_device *dev, const char *buf, size_t le
return netdev_store(dev, buf, len, change_weight);
}
-static CLASS_DEVICE_ATTR(weight, S_IRUGO | S_IWUSR, show_weight,
- store_weight);
-
-
-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_weight,
- &class_device_attr_type,
- &class_device_attr_address,
- &class_device_attr_broadcast,
- &class_device_attr_carrier,
- NULL
+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(address, S_IRUGO, show_address, NULL),
+ __ATTR(broadcast, S_IRUGO, show_broadcast, NULL),
+ __ATTR(carrier, S_IRUGO, show_carrier, 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 */
@@ -313,13 +296,19 @@ static ssize_t wireless_show(struct class_device *cd, char *buf,
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;
@@ -369,14 +358,14 @@ static struct attribute_group wireless_group = {
#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;
@@ -407,8 +396,9 @@ static void netdev_release(struct class_device *cd)
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
};
@@ -420,7 +410,8 @@ void netdev_unregister_sysfs(struct net_device * net)
sysfs_remove_group(&class_dev->kobj, &netstat_group);
#ifdef WIRELESS_EXT
- if (net->get_wireless_stats)
+ if (net->get_wireless_stats || (net->wireless_handlers &&
+ net->wireless_handlers->get_wireless_stats))
sysfs_remove_group(&class_dev->kobj, &wireless_group);
#endif
class_device_del(class_dev);
@@ -431,8 +422,6 @@ void netdev_unregister_sysfs(struct net_device * net)
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;
class_dev->class = &net_class;
@@ -442,21 +431,17 @@ int netdev_register_sysfs(struct net_device *net)
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;
#ifdef WIRELESS_EXT
- if (net->get_wireless_stats &&
- (ret = sysfs_create_group(&class_dev->kobj, &wireless_group)))
- goto out_cleanup;
-
+ if (net->get_wireless_stats || (net->wireless_handlers &&
+ net->wireless_handlers->get_wireless_stats)) {
+ ret = sysfs_create_group(&class_dev->kobj, &wireless_group);
+ if (ret)
+ goto out_cleanup;
+ }
return 0;
out_cleanup:
if (net->get_stats)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-18 07:19:30 +0000