[dpdk-dev] [PATCH 1/2] net/i40e: queue region set and flush

Ferruh Yigit ferruh.yigit at intel.com
Fri Sep 15 13:00:48 CEST 2017


On 9/6/2017 10:11 AM, Ferruh Yigit wrote:
> On 9/1/2017 3:38 AM, Zhao1, Wei wrote:
>> HI,  Ferruh
>>
>>> -----Original Message-----
>>> From: Yigit, Ferruh
>>> Sent: Friday, September 1, 2017 12:18 AM
>>> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
>>> Subject: Re: [dpdk-dev] [PATCH 1/2] net/i40e: queue region set and flush
>>>
>>> On 8/24/2017 4:26 AM, Wei Zhao wrote:
>>>> This feature enable queue regions configuration for RSS in PF/VF, so
>>>> that different traffic classes or different packet classification
>>>> types can be separated to different queues in different queue
>>>> regions.This patch can set queue region range, it include queue number
>>>> in a region and the index of first queue.
>>>> This patch enable mapping between different priorities (UP) and
>>>> different traffic classes.It also enable mapping between a region
>>>> index and a sepcific flowtype(PCTYPE).It also provide the solution of
>>>> flush all configuration about queue region the above described.
>>>>
>>>> Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
>>>
>>> Hi Wei,
>>>
>>> I wonder if this can be implemented using rte_flow, instead of PMD specific
>>> API?
>>>
>>> And if not, what is missing in rte_flow for this?
>>
>> Yes, at first I have plan to use rte_flow to implement this feature.
>> But there are many opposition for this, for example, this  feature is only support by i40e but not igb/ixgbe
>> From hardware capacity, not all NIC. So, private API is selected.
> 
> I guess rte_flow headers needs to be updated for this support, how big
> that update, what is missing in rte_flow for this?

Hi Wei,

Would you mind answering this?

Thanks,
ferruh

> 
> Even this is only for i40e, rte_flow can be an option. I believe this
> increases the usability of the feature for the driver.
> 
>>
>>>
>>> Thanks,
>>> ferruh
> 



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