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Date: Tue, 2 Mar 2010 23:42:56 +0800
From: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>
To: Oleg Kutkov <elenbert@gmail.com>
Cc: =?utf-8?Q?Am=C3=A9rico?= Wang <xiyou.wangcong@gmail.com>,
       linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: Notifier chains bug ?
Message-ID: <20100302153651.GC4014@hack>
References: <4B8C56F0.5090700@gmail.com> <2375c9f91003011924k43f03649y5b4df405d6247a79@mail.gmail.com> <5e9821061003012150y15e543cdkf6f23c3a7a47e4a3@mail.gmail.com>
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On Tue, Mar 02, 2010 at 07:50:01AM +0200, Oleg Kutkov wrote:
>2010/3/2 Américo Wang <xiyou.wangcong@gmail.com>:
>> On Tue, Mar 2, 2010 at 8:08 AM, Oleg Kutkov <elenbert@gmail.com> wrote:
>>> 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 :(
>>
>> I think you mean IP address? No, NETDEV_CHANGEADDR is for hardware
>> address, not for IP address.
>>
>> If you were changing mac address, you will receive NETDEV_CHANGEADDR.
>>
>
>Thank for quick answer.
>Yes, i mean IP address. And what about NETDEV_CHANGE ?

It is for rtnetlink state transition.

>Is there possible for monitoring IP address/netmask changing ?
>

AFAIK, no.

Cc'ing netdev experts...