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

Ferruh Yigit ferruh.yigit at intel.com
Wed Sep 6 11:11:01 CEST 2017

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?

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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