[PATCH] net: Add etun driver

[Eric W. Biederman]

Ben Greear <greearb at candelatech.com> 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>

> 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.

Further whoever generates the pair specifies the initial set of names.

> When you are creating new devices, I think you should check to make
> sure there isn't already a device with that name.

alloc_netdev doesn't let you register two devices with the same name,
and I check the return status of alloc_netdev. 

> In general though, I look forward to this being in the kernel so I can drop
> my redirect device code from my out-of-tree patch.

Thanks.

Eric