[ovs-dev] [PATCH] faq: Give specific versions that introduced various features.

[Ben Pfaff]

On Tue, Oct 22, 2019 at 06:22:17PM +0200, Ilya Maximets wrote:
> On 22.10.2019 0:00, Ben Pfaff wrote:
> > Some users would find it useful to know the particular OVS version that
> > introduced a feature to the OVS tree kernel module or to the OVS
> > userspace (DPDK) datapath implementation.  This patch updates the FAQ
> > to include that information.
> > 
> > This information is primarily gleaned from the top-level NEWS file.
> > For most of these, I did not verify them by looking carefully through
> > the history, so some of them may be inaccurate.
> > 
> > Requested-by: Jianjun Shen <shenj at vmware.com>
> > Signed-off-by: Ben Pfaff <blp at ovn.org>
> > Acked-by: Aaron Conole <aconole at redhat.com>
> > ---
> 
> > +    sFlow                           YES            1.0          2.7      NO
> > +    IPFIX                           3.10           1.11         2.7      YES
> > +    Set action                      YES            1.0          2.7    PARTIAL
> > +    NIC Bonding                     YES            1.0          2.7      YES
> > +    Multiple VTEPs                  YES            1.10         2.7      YES
> > +    Meters                          4.15           1.10         2.7      NO
> 
> Hi, Ben.
> Just trying to figure out from where these '2.7's came from for userspace datapath.
> For example, IIRC, 'NIC bonding' was there before 2.7.
> Is there something I missed that makes this version so special?

This is really from conflating DPDK with the userspace datapath.  2.7
was when the "experimental" tag was removed from DPDK support.  If we
ignore that (since the userspace datapath supported all of these
basically forever), we might as well just write the same as the kernel
datapath values there.