On Tue, Mar 01, 2016 at 07:49:51PM +0200, Eli Cohen wrote: > On Tue, Mar 01, 2016 at 10:37:51AM -0700, Jason Gunthorpe wrote: > > > + return handle_infiniband_guid(dev, &ivt, IFLA_VF_IB_PORT_GUID); > > > > But is this emulation really necessary? It seems dangerous and > > continues the bad practice of assuming IFLA_VF_MAC is fixed to 6 bytes > > in size, and is not just LLADDR bytes. I'd rather see mac sets fail on > > IB. > > > struct ifla_vf_mac already defines mac as 32 bytes but the idea here > is that applications that configure six byte Ethernet MACs to VFs will > continue to work without any change.
In my view it is incorrect for an application to try and set a 6 byte mac on an *infiniband* interface, the kernel should refuse to do it. Jason