[dpdk-dev] Intel 82599ES send packets failed on dpdk-17.05.1 after traffic testing
Ferruh Yigit
ferruh.yigit at intel.com
Tue Aug 22 11:31:56 CEST 2017
On 8/22/2017 9:30 AM, zimeiw wrote:
> hi,
>
> no use rte_eth_tx_prepare()?
>
> I set txq_flags value as below, may it cause this issue?
>
> .txq_flags = ~ETH_TXQ_FLAGS_NOXSUMS
So you are enabling all csum offloading, for Tx path this requires
packets to be prepared before sending to the NIC.
Can you please test with rte_eth_tx_prepare()? testpmd has the sample usage.
Thanks,
ferruh
>
> --
> Best Regards,
> zimeiw
>
>
> At 2017-08-22 15:49:56, "Ferruh Yigit" <ferruh.yigit at intel.com> wrote:
>>On 8/22/2017 5:45 AM, zimeiw wrote:
>>> hi,
>>> My test env is dell T430 server, NIC is intel 82599ES.
>>> I integrate my app with dpdk-17.05.1 version. after do some tcp traffic testing, app can receive packets from the 82599 NIC, but 82599 NIC send packets failed.
>>> But my app with dpdk-17.02 works well.
>>>
>>>
>>> If any change with ixgbe driver? or need some additional configuration for the NIC?
>>
>>tx_pkt_prepare added but it has been added on 17.02 which seems working
>>for your case.
>>
>>Just to double check, are you using rte_eth_tx_prepare()?
>>
>>>
>>>
>>>
>>> Thanks.
>>>
>>>
>>> --
>>>
>>> Best Regards,
>>> zimeiw
>>>
>>
>
>
>
>
>
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