On Thu, Mar 11, 2021 at 9:21 PM Krzysztof Klimonda
<kklimo...@syntaxhighlighted.com> wrote:
>
> Hi,
>
> I've been trying to get a better feel of the current status of hardware 
> offload for OVN. Is there some authoritative document that specifies what 
> NICs support offloading flows created by OVN? I'm mostly interested in 
> Mellanox, as this is our preferred manufacturer, but if other NICs have 
> better support, it would be good to know that too.
>

Hi,

I'm not sure if there is any such document.

>From what I know, mellanox Nics which support HW offloading of OVS
flows, don't support HWOLing if
the datapath flow has matches for certain ct state fields. I think
there are some efforts under way to
add the support -
https://patchwork.ozlabs.org/project/openvswitch/list/?submitter=81057

>From the OVN side too we have few patches up and few patches merged to
avoid using
certain ct fields which are not HWOLadable.

https://patchwork.ozlabs.org/project/ovn/patch/20210224132638.1667113-1-num...@ovn.org/

Thanks
Numan


>   Krzysztof Klimonda
>   kklimo...@syntaxhighlighted.com
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> disc...@openvswitch.org
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