On Tue, Nov 21, 2017 at 03:56:19PM +0200, Mark Bloch wrote: > I just gave mlx4 as an example, but I was talking more about the ability of the RDMA > subsystem to support mixed port types, so in this case, if in the future a vendor > will come with an ib_device with 2 ports, one is IB and one is iWARP bad things will happen. That will never be allowed. Even mixing roce and IB on the same device should be banned, IMHO. If APM does not work between the ports then they do not belong on the same device. Jason