On Fri, Oct 17, 2025 at 11:56:55AM +0200, Jiri Pirko wrote: > Fri, Oct 17, 2025 at 08:10:09AM +0200, [email protected] wrote: > >On 10/17/25 06:03, Hangbin Liu wrote: > >> Currently, there is no straightforward way to obtain the master/slave > >> relationship via netlink. Users have to retrieve all slaves through sysfs > >> to determine these relationships. > >> > > > >How about IFLA_MASTER? Why not use that? > > It's been there for a decade. Plus is, it exposes master for all > slave-master devices. Odd that you missed it.
Once, I wanted to find the slaves from a master interface but couldn’t. So I added it to my to-do list. Later, I noticed that the master information was already available in the slave, but I forgot about it after long time. Recently, when I reviewed my to-do list, I realized that printing all slaves from the master interface seemed impractical. So I tried to list the master information in the slave again — and forgot about IFLA_MASTER... Hangbin
