Eric W. Biederman wrote: > Ben Greear <[EMAIL PROTECTED]> writes: > > >> Is there any way to tell for certain if an interface is a etun or not? Maybe >> a file could be found (or not) in sysfs somewhere? >> > > Link for any decent network driver ethtool -i <interface> > I guess that will do, but then if you ever change the strings, any user-space that is depending on this will break or have to be modified with additional cruft. It seems cleaner to me to have an ioctl or a specific place in /proc or some other virtual fs, but I can deal with it either way...
>> Also, how do you find the peer device from user-space? This would be very >> useful >> for anyone trying to manage these devices with a user-space program. >> > > Currently "ethtool -S <interface>" > And read the partner_ifindex. > Ok, that will work. Again, my personal preference is for a single specific ioctl or proc'ish file to read the specific value instead of having to parse strings, but this will do. > Further whoever generates the pair specifies the initial set of names. > Yeah, but you can't depend on knowing that in an interesting environment. Thanks, Ben -- Ben Greear <[EMAIL PROTECTED]> Candela Technologies Inc http://www.candelatech.com _______________________________________________ Containers mailing list [EMAIL PROTECTED] https://lists.linux-foundation.org/mailman/listinfo/containers _______________________________________________ Devel mailing list [email protected] https://openvz.org/mailman/listinfo/devel
