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Message-ID: <7f9bf5711003020757m505cad3fvac0b4ac006d1e8d7@mail.gmail.com>
Date:	Tue, 2 Mar 2010 17:57:02 +0200
From:	Atis Elsts <atis.elsts@...il.com>
To:	Oleg Kutkov <elenbert@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: Notifier chains bug ?

I'm no expert, but IMHO for handling IP address changes you should use
function register_inetaddr_notifier() to register you callback and
then wait for NETDEV_UP and NETDEV_DOWN events.

On Tue, Mar 2, 2010 at 5:42 PM, Américo Wang <xiyou.wangcong@...il.com> wrote:
> On Tue, Mar 02, 2010 at 07:50:01AM +0200, Oleg Kutkov wrote:
>>2010/3/2 Américo Wang <xiyou.wangcong@...il.com>:
>>> On Tue, Mar 2, 2010 at 8:08 AM, Oleg Kutkov <elenbert@...il.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...
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~Atis
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