linux-kernel - Re: [PATCH v3 net-next 0/5] selftests: openvswitch: add flow programming cases

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Date:   Fri, 04 Aug 2023 08:20:21 -0400
From:   Aaron Conole <aconole@...hat.com>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     netdev@...r.kernel.org, dev@...nvswitch.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Pravin B Shelar <pshelar@....org>,
        Adrian Moreno <amorenoz@...hat.com>,
        Ilya Maximets <i.maximets@....org>
Subject: Re: [PATCH v3 net-next 0/5] selftests: openvswitch: add flow
 programming cases

Paolo Abeni <pabeni@...hat.com> writes:

> On Tue, 2023-08-01 at 17:22 -0400, Aaron Conole wrote:
>> The openvswitch selftests currently contain a few cases for managing the
>> datapath, which includes creating datapath instances, adding interfaces,
>> and doing some basic feature / upcall tests.  This is useful to validate
>> the control path.
>> 
>> Add the ability to program some of the more common flows with actions. This
>> can be improved overtime to include regression testing, etc.
>> 
>> v2->v3:
>> 1. Dropped support for ipv6 in nat() case
>> 2. Fixed a spelling mistake in 2/5 commit message.
>> 
>> v1->v2:
>> 1. Fix issue when parsing ipv6 in the NAT action
>> 2. Fix issue calculating length during ctact parsing
>> 3. Fix error message when invalid bridge is passed
>> 4. Fold in Adrian's patch to support key masks
>
> FTR, this apparently requires an [un?]fairly recent version of
> pyroute2. Perhaps you could explicitly check for a minimum working
> version and otherwise bail out (skip) the add-flow tests.

I'll make sure to get a follow up out ASAP that includes some check for
supported version and will skip if not.  I will try to also include some
additional robustness checks.

Thanks Paolo!

> Cheers,
>
> Paolo