From: William Tu <u9012...@gmail.com> Date: Fri, 6 Oct 2017 15:09:29 -0700
> Yes, adding another field in the struct net_device can avoid the > arithmetic operation. I'm not sure it's a good idea to add new field > since there are already a lot in net_device. Let's wait to see how > others think. Why would you add it to net_device when you can add it to ip_tunnel?
