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

[fengchengwen]

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>
>