On Sun, 18 Sep 2022 09:42:41 +0000 Jian Shen wrote:

For the prototype of netdev_features_t is u64, and the number
of netdevice feature bits is 64 now. So there is no space to
introduce new feature bit.

For v9 could you filter out all the driver changes?

Focus on adding the helpers and converting core (excluding tunnel
drivers etc.) in a way that will not break the build. That way we 
can iterate on the revisions more quickly, hopefully, and convert
the drivers once we have the helpers ironed out?