Re: link up and down

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i wrote a code using netlink socket to listen  events ...... Since i
am integrating all in an embedded device , it will be good if i can
achieve the same with hotplug ... Thanks a lot ..



On Wed, Aug 12, 2009 at 11:50 PM, Stephen
Hemminger<shemminger@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Tue, 11 Aug 2009 15:17:47 -0700
> Marcel Holtmann <marcel@xxxxxxxxxxxx> wrote:
>
>> Hi Greg,
>>
>> > > the linux kernel is running on an embedded box ... so if i can achieve
>> > > this using hotplug2 , i can save a lot of flash by not intstalling
>> > > ethtool ..
>> > > is there any way
>> >
>> > You are really using hotplug2 for a device?  Are you insane?  That's
>> > very old, unsupported, and buggy code that was a totally bad idea when I
>> > wrote it.
>> >
>> > Please do not use it, it will break and cause bad things to happen.
>> >
>> > And no, there are no hotplug events for link up/down, use ethtool like
>> > it is designed for.
>>
>> actually there was a patch for KOBJ_CHANGE events when network interface
>> flags change, but it never got merged upstream.
>>
>> Also just using RTNL and listening for IFF_LOWER_UP is way simpler than
>> going through uevents.
>
> Have you looked at netplugd?
>
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