On Wed, Jul 17, 2019 at 8:41 AM Ilya Maximets <i.maxim...@samsung.com> wrote: > > On 13.07.2019 2:50, William Tu wrote: > > The patch introduces experimental AF_XDP support for OVS netdev. > > AF_XDP, the Address Family of the eXpress Data Path, is a new Linux socket > > type built upon the eBPF and XDP technology. It is aims to have comparable > > performance to DPDK but cooperate better with existing kernel's networking > > stack. An AF_XDP socket receives and sends packets from an eBPF/XDP program > > attached to the netdev, by-passing a couple of Linux kernel's subsystems > > As a result, AF_XDP socket shows much better performance than AF_PACKET > > For more details about AF_XDP, please see linux kernel's > > Documentation/networking/af_xdp.rst. Note that by default, this feature is > > not compiled in. > > > > Signed-off-by: William Tu <u9012...@gmail.com> > > --- > > Hi Ben and William. > > This patch-set has a long history and the latest versions are in a good shape. > netdev-afxdp works stable for me over the virtual interfaces and passes all > the > system tests that it needs to pass. Eelco is on a PTO now, but his last > report [1] was that v14 of this patch worked fine for him in PVP tests. He had > some issues with large packets, but this is, IMO, most probably due to kernel > driver issues. > > So, I'd like to ask if we're going to merge netdev-afxdp to current release? > For me it's totally fine, especially because netdev-afxdp implemented as a > completely stand-alone feature that could be easily disabled. This way more > users will be able to try and test this new feature with a 2.12 release. > > I made a review with a few style related comments and 2 small issues on a > current version. If William will prepare the v17 today or tomorrow, I'll be > able to re-check it and apply while we're in a soft-freeze stage. > > As an option, I could prepare v17 myself if William has no time for that. > > > Ben, William, what do you think? > Hi Ilya,
Thanks a lot for your help on reviewing all these versions, and also Eelco's review and testing. I will prepare v17 today. Regards, William > > CC Ian, as this is a big step for a userspace datapath. > > [1] https://mail.openvswitch.org/pipermail/ovs-dev/2019-July/360493.html > > Best regards, Ilya Maximets. _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
