Re: kobject events questions

["Timo Teräs" <ext-timo.teras@nokia.com>]

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ext Greg KH wrote:
> That's the point.  It should "be difficult" in that you need to present
> a valid reason to the whole kernel community as to why a new event needs
> to be added.  But if you make a point that others agree with, then there
> should be no problem in adding it.

Ok. Now that I can implement my iptables plugin I need either:

1) A new event: something like "went idle". Which would be sent from the 
class_device kobject of related network interface.

or

2) I could use the class interface system to add an kobject (instead of 
writing a new class) for each network devices class_device. But to 
accomplish this I have to be able to register interfaces with net_class 
defined net-sysfs.c. See applied patch. It's provides similar functions 
as scsi layer (see scsi_register_interface).

Which one would be better choice? At least the option #2 is general 
purpose and some others might find it useful too. To whom/where I should 
send it?

- Timo


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Index: linux/net/core/net-sysfs.c
===================================================================
--- linux.orig/net/core/net-sysfs.c	2004-09-27 18:27:16.000000000 +0300
+++ linux/net/core/net-sysfs.c	2004-10-06 13:22:07.347392792 +0300
@@ -448,3 +448,11 @@
 {
 	return class_register(&net_class);
 }
+
+int netdev_register_interface(struct class_interface *intf)
+{
+	intf->class = &net_class;
+	return class_interface_register(intf);
+}
+
+EXPORT_SYMBOL_GPL(netdev_register_interface);
Index: linux/include/linux/netdevice.h
===================================================================
--- linux.orig/include/linux/netdevice.h	2004-09-27 18:27:54.000000000 +0300
+++ linux/include/linux/netdevice.h	2004-10-06 13:29:51.031902032 +0300
@@ -953,6 +953,12 @@
 extern char *net_sysctl_strdup(const char *s);
 #endif
 
+#ifdef CONFIG_SYSFS
+extern int netdev_register_interface(struct class_interface *intf);
+#define netdev_unregister_interface(intf) \
+	class_interface_unregister(intf)
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif	/* _LINUX_DEV_H */

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