[ovs-discuss] OvS using newer DPDK

Ophir Munk ophirmu at mellanox.com
Wed Oct 31 16:16:48 UTC 2018


Guys,
Any comments to OVS upgrade to dpdk 18.08? 
https://patchwork.ozlabs.org/project/openvswitch/list/?series=72606

Regards,
Ophir

> -----Original Message-----
> From: Stokes, Ian [mailto:ian.stokes at intel.com]
> Sent: Wednesday, October 31, 2018 5:52 PM
> To: Andrzej Ostruszka <amo at semihalf.com>; ovs-discuss at openvswitch.org
> Cc: Ophir Munk <ophirmu at mellanox.com>
> Subject: RE: [ovs-discuss] OvS using newer DPDK
> 
> > Hello all,
> >
> > I remember some time ago there was topic raised here about new LTS
> > release.  I'd like to ask related question - what version of DPDK will
> > it be based on?  18.11 (which is going to be new LTS release of DPDK)?
> >
> 
> Yes, the plan would be ideally to move to DPDK 18.11.
> 
> > If it is then is there anybody already working on that?
> 
> Yes, the dpdk_latest branch was setup for this purpose.
> 
> There are patches submitted to move OVS to use DPDK 18.08 first. From
> there a new set of patches will be created to move to DPDK 18.11. Once
> there is agreement and sign off from the OVS DPDK community we would
> look to apply those to the OVS master branch in time for the OVS 2.11
> release.
> 
> >
> > I'm asking these questions since I've nailed the reason for getting
> > OvS crashes on Marvell Armada 8K board.  They are while attempting to
> > set MTU and there are some patches affecting MTU/MRU calculations that
> might help.
> 
> Are these patches targeted at OVS project or the DPDK project?
> 
> > So basically I might attempt to backport them or try to get OvS
> > working with newer DPDK.
> 
> OVS is moving towards using DPDK LTS releases only for OVS releases and
> the master branch.
> 
> If the patches target DPDK then they could be backported to the relevant
> DPDK LTS releases. Once in place there you could also backport support to
> OVS 2.9 and OVS 2.10 which use DPDK 17.11.
> 
> > Since I prefer the latter I would like to join somebody doing this
> > update (I don't feel comfortable enough with OvS to do that on my
> > own).
> 
> Ok sure, there is not a patch to make DPDK use 18.11 yet. That's in progress.
> I've cc'd Ophir who has been looking at this to date. Once there is a patch for
> 18.11 if you could test it with the Marvell device that would be great help.
> 
> Thanks
> Ian
> >
> > Best regards
> > Andrzej
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