On Fri, 9 Mar 2018 21:07:36 +0800 Jason Wang <jasow...@redhat.com> wrote:
> >>> Use the IDA infrastructure for getting a cyclic increasing ID number, > >>> that is used for keeping track of each registered allocator per > >>> RX-queue xdp_rxq_info. > >>> > >>> Signed-off-by: Jesper Dangaard Brouer<bro...@redhat.com> > >> A stupid question is, can we manage to unify this ID with NAPI id? > > Sorry I don't understand the question? > > I mean can we associate page poll pointer to napi_struct, record NAPI id > in xdp_mem_info and do lookup through NAPI id? No. The driver can unreg/reg a new XDP memory model, without reloading the NAPI and generate a new NAPI id. -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer