On Tue, Mar 06, 2018 at 03:27:46PM -0800, Alexander Duyck wrote: > > I definitelly vote for a separate common shared code for both netvsc and > > virtio_net - even if you use 2 and 3 netdev model, you could share the > > common code. Strict checks and limitation should be in place. > > Noted. But as I also mentioned there isn't that much "common" code > between the two models. I think if anything we could probably look at > peeling out a few bits such as "get_<iface>_bymac" which really would > become dev_get_by_mac_and_ops in order to find the device for the > notifiers. I probably wouldn't even put that in our driver and would > instead put it in the core code since it almost makes more sense > there. Beyond that sharing becomes much more challenging due to the > differences in the Rx and Tx paths that build out of the difference > between the 2 driver and 3 driver models.
At this point it might be worth it to articulate the advantages of the 3 netdev model. If they are compelling, why wouldn't netvsc users want them? Alex, I think you were one of the strongest proponents of this model, you should be well placed to provide a summary. -- MST