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

[Ye, MingjinX]

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>