Sat, Sep 20, 2014 at 12:18:02AM CEST, j...@mojatatu.com wrote:
>On 09/19/14 18:12, John Fastabend wrote:
>>On 09/19/2014 10:57 AM, Jamal Hadi Salim wrote:
>>>On 09/19/14 11:49, Jiri Pirko wrote:
>>>>Fri, Sep 19, 2014 at 05:25:48PM CEST, j...@mojatatu.com wrote:
>>>
>>>>>Is this just a temporary test tool? Otherwise i dont see reason
>>>>>for its existence (or the API that it feeds on).
>>>>
>>>>Please read the conversation I had with Pravin and Jesse in v1 thread.
>>>>Long story short they like to have the api separated from ovs datapath
>>>>so ovs daemon can use it to directly communicate with driver. Also John
>>>>Fastabend requested a way to work with driver flows without using ovs ->
>>>>that was the original reason I created switchdev genl api.
>>>>
>>>>Regarding the "sw" tool, yes it is for testing purposes now. ovs daemon
>>>>will use directly switchdev genl api.
>>>>
>>>>I hope I cleared this out.
>>>>
>>>
>>>It is - thanks Jiri.
>>>
>>>cheers,
>>>jamal
>>
>>Hi Jiri,
>>
>>I was considering a slightly different approach where the
>>device would report via netlink the fields/actions it
>>supported rather than creating pre-defined enums for every
>>possible key.
>>
>>I already need to have an API to report fields/matches
>>that are being supported why not have the device report
>>the headers as header fields (len, offset) and the
>>associated parse graph the hardware uses? Vendors should
>>have this already to describe/design their real hardware.
>>
>>As always its better to have code and when I get some
>>time I'll try to write it up. Maybe its just a separate
>>classifier although I don't actually want two hardware
>>flow APIs.
>>
>>I see you dropped the RFC tag are you proposing we include
>>this now?
>>
>
>
>Actually I just realized i missed something very basic that
>Jiri said. I think i understand the tool being there for testing
>but i am assumed the same about the genlink api.
>Jiri, are you saying that genlink api is there to
>stay?

Yes, that I say. It is needed for flow manipulation, because such api does
not exist. As I stated earlier, I do not want to use switchdev genl for
anything other than flow manipulation.

>
>cheers,
>jamal
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