On Tue, Mar 22, 2016 at 12:27 PM, Thomas Monjalon <thomas.monjalon at 6wind.com> wrote: > 2016-03-22 12:04, Jan Blunck: >> On Tue, Mar 22, 2016 at 11:42 AM, Thomas Monjalon >> <thomas.monjalon at 6wind.com> wrote: >> > 2016-03-22 10:55, Jan Blunck: >> >> New UIO helper kernel driver for Xen netfront UIO poll mode driver. >> >> >> >> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org> >> >> Signed-off-by: Jan Blunck <jblunck at infradead.org> >> > >> > Is it contributed upstream? >> >> No. Haven't planed that yet. > > Integrating new kernel modules in DPDK, without upstream work, > is not planned. >
I'll look into the existing Linux kernel netfront driver and check if upstream is actually willing to integrate the UIO part. >> > Is there something common with igb_uio? >> >> AFAIK igb_uio is mapping the bars via UIO. The Xen netfront driver >> isn't simulating a PCI interface. Instead it directly maps the TX/RX >> ring. >> >> Overlap is limited to reading sysfs files. Don't know if that is worth >> being extracted into a standalone header. > > No it is not worth extracting. I'm just trying to understand what this > module is, because the log doesn't say much. > I can address that for the upstream submission and drop it from this series.