[PATCH 1/2] app/testpmd: revert L4 protocol retrieval from L3 header

[fengchengwen]

Hi Mingjin,

I send a bugfix patch [1] to this problem, and also cc to you, could you help test it?

[1] https://patchwork.dpdk.org/project/dpdk/patch/20251117075046.11624-1-fengchengwen@huawei.com/

Thanks

On 11/13/2025 8:20 PM, fengchengwen wrote:
> Hi Mingjin,
> 
> We have reproduce this bug in our platform, and trying to fix the solution.
> 
> Thanks
> 
> On 11/12/2025 5:01 PM, Ye, MingjinX wrote:
>> Hi Chengwen,
>>
>> Please refer to Bugzilla for more information.
>> Bugzilla: https://bugs.dpdk.org/show_bug.cgi?id=1813
>>
>> Thanks~
>>
>>> -----Original Message-----
>>> From: fengchengwen <fengchengwen at huawei.com>
>>> Sent: Monday, November 10, 2025 5:56 PM
>>> To: Ye, MingjinX <mingjinx.ye at intel.com>; dev at dpdk.org
>>> Cc: stable at dpdk.org; Singh, Aman Deep <aman.deep.singh at intel.com>
>>> Subject: Re: [PATCH 1/2] app/testpmd: revert L4 protocol retrieval from L3
>>> header
>>>
>>> Hi Mingjin,
>>>
>>> Could you please detail the step of testcase? we will try to reproduce it and
>>> see how to solve it.
>>>
>>> Thanks.
>>>
>>> On 11/5/2025 10:47 AM, Mingjin Ye wrote:
>>>> This reverts commit 496159613ffc7b6ba592432a1ba4d1a38f6935de.
>>>>
>>>> When the TX IP checksum offload feature is enabled, it may result in
>>>> internal UDP checksum errors in VXLAN tunnel packets.
>>>>
>>>> Fixes: 496159613ffc ("app/testpmd: fix L4 protocol retrieval from L3
>>>> header")
>>>> Cc: stable at dpdk.org
>>>>
>>>> Signed-off-by: Mingjin Ye <mingjinx.ye at intel.com>
>>
>