On Thu, Aug 10, 2017 at 05:24:55PM +0200, Vitaly Kuznetsov wrote:
> Andrew Lunn <[email protected]> writes:
>
> >> We are - rtnetlink_event() does the job. We, however, don't have a
> >> special IFLA_EVENT_* for name change and end up with IFLA_EVENT_NONE.
> >
> > What is in this event? Old and new name? Just the new name?
>
> Basically, it's everything we know about the interface - type, index,
> name, mtu, qdisc, ... - see rtnl_fill_ifinfo(). Back to your question -
> it's only the new name.
So the program needs to keep track of ifindex to know which interface
has changed name. Doable.
I still expect this has the potential to break something. You probably
should be asking on linux-api for the API experts opinion.
Andrew