I applied this to branch-2.5, thanks 2016-07-04 1:10 GMT-07:00 Bodireddy, Bhanuprakash < bhanuprakash.bodire...@intel.com>:
> >-----Original Message----- > >From: Stokes, Ian > >Sent: Wednesday, June 29, 2016 2:32 PM > >To: dev@openvswitch.org > >Cc: Bodireddy, Bhanuprakash <bhanuprakash.bodire...@intel.com> > >Subject: RE: [PATCH v1] INSTALL.DPDK: Update vhost multiqueue > instructions. > > > >Hi All, > > > >Just a gentle reminder as regards this patch. > > > >Bhanu has a new documentation patch for INSTALL.DPDK, maybe it should be > >added as part of that? > > I have captured the vhost multiqueue instructions below in the ADVANCED > install guide of version 8 patch below. > http://openvswitch.org/pipermail/dev/2016-July/074375.html > > Regards, > Bhanu Prakash. > > > > >Is there value in back porting this patch to OVS 2.5 though? > > > >Thanks > >Ian > > > >> -----Original Message----- > >> From: Stokes, Ian > >> Sent: Tuesday, June 14, 2016 4:02 PM > >> To: dev@openvswitch.org > >> Cc: Stokes, Ian > >> Subject: [PATCH v1] INSTALL.DPDK: Update vhost multiqueue instructions. > >> > >> Add details regarding PMD and rxq configuration to the vhost-user > >> multiqueue section to better enable packet enqueueing across multiple > >> vhost queues. > >> > >> Signed-off-by: Ian Stokes <ian.sto...@intel.com> > >> --- > >> INSTALL.DPDK.md | 11 +++++++++++ > >> 1 files changed, 11 insertions(+), 0 deletions(-) > >> > >> diff --git a/INSTALL.DPDK.md b/INSTALL.DPDK.md index c2e32bf..afab7d7 > >> 100644 > >> --- a/INSTALL.DPDK.md > >> +++ b/INSTALL.DPDK.md > >> @@ -674,6 +674,17 @@ Follow the steps below to attach vhost-user > >> port(s) to a VM. > >> -device virtio-net- > >> pci,mac=00:00:00:00:00:02,netdev=mynet2,mq=on,vectors=$v > >> ``` > >> > >> + A least 2 PMDs should be configured for the vswitch when using > >> multiqueue. > >> + Using a single PMD will cause traffic to be enqueued to the same > >> vhost > >> + queue rather than being distributed among different vhost queues > >> + for > >> a > >> + vhost-user interface. > >> + > >> + If traffic destined for a VM configured with multiqueue arrives to > >> the > >> + vswitch via a physical DPDK port, then the number of rxqs should > >> also be > >> + set to at least 2 for that physical DPDK port. This is required to > >> increase > >> + the probability that a different PMD will handle the multiqueue > >> + transmission to the guest using a different vhost queue. > >> + > >> If one wishes to use multiple queues for an interface in the > >> guest, the > >> driver in the guest operating system must be configured to do so. > >> It is > >> recommended that the number of queues configured be equal to '$q'. > >> -- > >> 1.7.4.1 > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
