Re: [PATCH][2.6.14.5] fix /sys/class/net/<if>/wireless without dev->get_wireless_stats

From: Andrey Borzenkov
Date: Mon Jan 02 2006 - 16:31:50 EST


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I accidentally used wrong lkml address, so I resend it now with proper format.

dev->get_wireless_stats is deprecated but removing it also removes wireless
subdirectory in sysfs. This patch puts it back.

Signed-off-by: Andrey Borzenkov <arvidjaar@xxxxxxx>

- ---

- --- linux-2.6.14.5/net/core/net-sysfs.c.orig 2005-12-27 03:26:33.000000000 +0300
+++ linux-2.6.14.5/net/core/net-sysfs.c 2006-01-02 13:33:34.000000000 +0300
@@ -16,6 +16,7 @@
#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)
@@ -313,13 +314,19 @@ static ssize_t wireless_show(struct clas
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;
@@ -420,7 +427,8 @@ void netdev_unregister_sysfs(struct 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);
@@ -453,7 +461,8 @@ int netdev_register_sysfs(struct net_dev
goto out_unreg;

#ifdef WIRELESS_EXT
- - if (net->get_wireless_stats &&
+ if ((net->get_wireless_stats ||
+ net->wireless_handlers && net->wireless_handlers->get_wireless_stats) &&
(ret = sysfs_create_group(&class_dev->kobj, &wireless_group)))
goto out_cleanup;

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