On Wed, Oct 03, 2018 at 03:30:48PM -0700, Han Zhou wrote: > On Wed, Oct 3, 2018 at 3:27 PM Ben Pfaff <[email protected]> wrote: > > > > On Wed, Oct 03, 2018 at 03:02:54PM -0700, Han Zhou wrote: > > > On Wed, Oct 3, 2018 at 2:05 PM Ben Pfaff <[email protected]> wrote: > > > > > > > > On Mon, Oct 01, 2018 at 02:12:29PM -0700, Han Zhou wrote: > > > > > From: Han Zhou <[email protected]> > > > > > > > > > > When there are tunnel ports with BFD enabled, all UDP flows will > have > > > > > dst port as match condition in datapath, which causes unnecessarily > > > > > high flow miss for all UDP traffic, and results in latency increase. > > > > > For more details, see [1]. > > > > > > > > > > This patch solves the problem by masking tp_dst only for the leading > > > > > bits that is enough to tell the mismatch when it is not BFD traffic. > > > > > > > > > > [1] > > > > https://mail.openvswitch.org/pipermail/ovs-discuss/2018-September/047360.html > > > > > > > > > > Signed-off-by: Han Zhou <[email protected]> > > > > > > > > I think that we only need to "un-wildcard" one bit, not all the > leading > > > > bits. > > > > > > > > What do you think of the following slight generalization? > > > > > > > > Thanks, > > > > > > > > Ben. > > > > > Thanks Ben. Yes, your version is better! I didn't realize that one bit > is > > > enough to tell the unmatching. It is more megaflow-friendly. Will you > send > > > the formal patch? > > > > Oops, I just applied it, but here's a copy of formal version anyway: > > Thanks Ben. Do you mind back-porting to at least 2.10 and 2.9?
OK, done. _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
