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
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