Re: [dpdk-dev] rte_flow ageing

[David Bouyeure <david.bouyeure@fraudbuster.mobi>]

Hi Matan,


below are my comments.


Thank you.


On 4/7/21 8:09 PM, Matan Azrad wrote:
>
> Yes you can call it from the event callback.
Sure, but it won't trigger the event callback as it would for the next 
aged-out flow(s) if called from outside the callback.
>
> Yes, MLX5_AGE_TRIGGER probably means that event was sent and no need 
> to send it again in the next aged-out flow.
I don't think so. MLX5_AGE_TRIGGER means 'Do call the callback for next 
aged-out flow(s)'.
> Erasing it cause new event to be sent in the next aged-out flow...
No, I think it's the reverse.
>
> I don't understand what is the issue for you in option 1...
>
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>
> ------------------------------------------------------------------------
> *From:* David Bouyeure <david.bouyeure@fraudbuster.mobi>
> *Sent:* Wednesday, April 7, 2021 7:19:34 PM
> *To:* Matan Azrad <matan@nvidia.com>; Asaf Penso <asafp@nvidia.com>; 
> dev@dpdk.org <dev@dpdk.org>
> *Cc:* Jack Min <jackmin@nvidia.com>
> *Subject:* Re: [dpdk-dev] rte_flow ageing
> *External email: Use caution opening links or attachments*
>
>
> Hi Matan, and thanks a lot,
>
> regarding the mode *1*, I still have a doubt:
>>
>>  1. Register the AGE event -> in event time to query the aged-out
>>     flows by the rte_flow_get_aged_flows API, this call will trigger
>>     a new event when new aged-out flow will be detected for the
>>     port.(if you don’t call rte_flow_get_aged_flows the event will
>>     not be retriggered.)
>>
> You meant calling rte_flow_get_aged_flows() from the event callback I 
> guess...?
>
> I think this is not working because MLX5_AGE_TRIGGER is erased when 
> the callback returns.
>
>
> Anyway, the polling mode is enough to me so far.
>
> Thanks again.
>
>
> Regards.
>
>
> On 4/5/21 12:23 PM, Matan Azrad wrote: