[ovs-dev] OVS with DPDK Meetup notes

[Zoltan Kiss]

On 01/12/15 18:04, Ben Pfaff wrote:
> On Tue, Dec 01, 2015 at 04:09:07PM +0200, Panu Matilainen wrote:
>> On 11/26/2015 07:56 PM, Traynor, Kevin wrote:
>>> Just wanted to post some summary notes on the recent OVS with DPDK Meetup we
>>> had after the OVS conference. Thanks to everyone for the often lively discussion.
>>> I've collated and condensed Maryam's notes (Thank you Maryam) with my own.
>>> Corrections and additions are welcome.
>>>
>>> Usability
>>> ==========
>>> * Command line options
>>>    - Create defaults which can be overridden on the command line.
>>>    -c 0x1
>>>    -n 4 (this will be in DPDK 2.2 also)
>>>    -socket-mem 1024,0
>>
>> Another possibility might be saving these in Open_vSwitch other_config db
>> along with pmd-cpu-mask and the like. DPDK init could be delayed until the
>> config db is available I think.
>
> It would seem to make sense to configure DPDK the same way as everything
> else in OVS: through the database.


We already did something like that for ODP:

https://git.linaro.org/lng/odp-ovs.git/commitdiff/39944d3d6b95591eb1ac113a6816ac44c3a2832b
https://git.linaro.org/lng/odp-ovs.git/commitdiff/1b38b79f8017988ae41bae8b35d39798ad25e699

With the second patch we removed the need for external variables, which 
ease up things even more.

Regards,

Zoltan