Andrew Lunn <and...@lunn.ch> writes: > On Thu, Aug 10, 2017 at 05:24:55PM +0200, Vitaly Kuznetsov wrote: >> Andrew Lunn <and...@lunn.ch> 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. >
Yes, and I'd expect that's what these daemons do nowdays to track name changes for down interfaces (if/when they care). > I still expect this has the potential to break something. You probably > should be asking on linux-api for the API experts opinion. > Good idea, I'll do RFCv2 submission. -- Vitaly
