Notifier chains bug ?

From: Oleg Kutkov
Date: Mon Mar 01 2010 - 19:08:27 EST


Hello.
I try to used notifier chains for monitoring network devices events.
All works perfectly when just i'm connecting/disconnecting network cable or up/down interface via ifconfig.
But when i try to change interface address - nothing happens. Notifier is don't send any events :(
There is many events in notifier.h:

#define NETDEV_UP 0x0001 #define NETDEV_DOWN 0x0002
#define NETDEV_REBOOT 0x0003 #define NETDEV_CHANGE 0x0004 #define NETDEV_REGISTER 0x0005
#define NETDEV_UNREGISTER 0x0006
#define NETDEV_CHANGEMTU 0x0007
#define NETDEV_CHANGEADDR 0x0008
#define NETDEV_GOING_DOWN 0x0009
#define NETDEV_CHANGENAME 0x000A
#define NETDEV_FEAT_CHANGE 0x000B
#define NETDEV_BONDING_FAILOVER 0x000C
#define NETDEV_PRE_UP 0x000D
#define NETDEV_BONDING_OLDTYPE 0x000E
#define NETDEV_BONDING_NEWTYPE 0x000F

So i receive only NETDEV_UP and NETDEV_DOWN events.

Part of my code:

//event handler
static int ifEventListener(struct notifier_block *nb, unsigned long event, void *ptr);

//set handler
struct notifier_block nbListener =
{
.notifier_call = ifEventListener
};

//event handler
static int ifEventListener(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = (struct net_device *) ptr;

printk(KERN_INFO "eventListener() -- %d event from net_device '%s' (0x%08X)\n", event, dev->name, (unsigned) dev);

return 0;
}

//register handler
register_netdevice_notifier(&nbListener);



So, this is a bug in notifier or something wrong with my code ?
Thank for any help

--
Best regards, Oleg

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