Re: [dpdk-users] users Digest, Vol 293, Issue 3

["Varghese, Vipin" <vipin.varghese@intel.com>]

HI Amir Hossein, 

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> Message: 1
> Date: Wed, 16 Jun 2021 17:23:22 +0430
> From: Amir Hossein <1377amirhossein1998@gmail.com>
> To: users@dpdk.org
> Subject: [dpdk-users] rte_flow_validate failure with error-38
> Message-ID:
> 	<CAGbRaM+_uT4YqLr=Sw9hkjo+u2prGdW8f3MkeX8f-
> Eo60v4VZA@mail.gmail.com>
> Content-Type: text/plain; charset="UTF-8"
> 
> Hi all,
> 
> I'm trying to run flow_filtering sample application, but
> rte_flow_validate(...) return value is -38 and I can't find more information about
> this error code.
> 
> The only change i made is changing nr_queues to 4.(it seems number of rx
> queues should be power of 2 in vmxnet3)
> 
> Is it about hardware support?any help would be appreciated.

As far I recollect VMXNET3 did not support RTE_FLOW. One can verify this from driver code or looking into `Table 1.2 rte_flow items availability in networking drivers` in http://doc.dpdk.org/guides/nics/overview.html

> 
> I'm using dpdk-stable-19.11.8(target=x86_64-native-linuxapp-gcc) and my nic is
> vmxnet3.
> 
> (error:
> 
> Flow can't be created 1 message: Function not implemented
> EAL: Error - exiting with code: 1

Hence the error message is correct.

> 
> )
> 
> Regards,
> 
> Amir
> 

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