[dpdk-dev] [PATCH v2] net/ixgbe: fix UDP zero checksum error

[Zhang, Qi Z]

> -----Original Message-----
> From: David Marchand <david.marchand at redhat.com>
> Sent: Wednesday, February 3, 2021 4:32 PM
> To: Zhang, Qi Z <qi.z.zhang at intel.com>
> Cc: Wang, Haiyue <haiyue.wang at intel.com>; dev at dpdk.org;
> pvalerio at redhat.com; aconole at redhat.com; Rong, Leyi
> <leyi.rong at intel.com>; Tu, Lijuan <lijuan.tu at intel.com>;
> Ruifeng.Wang at arm.com; Feifei.Wang2 at arm.com; stable at dpdk.org; Guo, Jia
> <jia.guo at intel.com>; Richardson, Bruce <bruce.richardson at intel.com>;
> Ananyev, Konstantin <konstantin.ananyev at intel.com>
> Subject: Re: [PATCH v2] net/ixgbe: fix UDP zero checksum error
> 
> On Wed, Feb 3, 2021 at 9:07 AM Zhang, Qi Z <qi.z.zhang at intel.com> wrote:
> > > -----Original Message-----
> > > From: Wang, Haiyue <haiyue.wang at intel.com>
> > > Sent: Wednesday, February 3, 2021 10:19 AM
> > > To: dev at dpdk.org
> > > Cc: pvalerio at redhat.com; aconole at redhat.com;
> > > david.marchand at redhat.com; Zhang, Qi Z <qi.z.zhang at intel.com>; Rong,
> > > Leyi <leyi.rong at intel.com>; Tu, Lijuan <lijuan.tu at intel.com>;
> > > Ruifeng.Wang at arm.com; Feifei.Wang2 at arm.com; Wang, Haiyue
> > > <haiyue.wang at intel.com>; stable at dpdk.org; Guo, Jia
> > > <jia.guo at intel.com>; Richardson, Bruce <bruce.richardson at intel.com>;
> > > Ananyev, Konstantin <konstantin.ananyev at intel.com>
> > > Subject: [PATCH v2] net/ixgbe: fix UDP zero checksum error
> > >
> > > There is an 82599 errata that UDP frames with a zero checksum are
> > > incorrectly marked as checksum invalid by the hardware.  This was
> > > leading to misleading PKT_RX_L4_CKSUM_BAD flag.
> > >
> > > This patch changes the bad UDP checksum to
> PKT_RX_L4_CKSUM_UNKNOWN,
> > > so the software application will then have to recompute the checksum
> > > itself if needed.
> > >
> > > Bugzilla ID: 629
> > >
> > > Fixes: af75078fece3 ("first public release")
> > > Cc: stable at dpdk.org
> > >
> > > Reported-by: Paolo Valerio <pvalerio at redhat.com>
> > > Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>
> >
> > Applied to dpdk-next-net-intel.
> 
> Why the rush for applying?
> The ARM part is not done, Paolo said he would test the patch and I am pretty
> sure a review can't hurt.
> 
> 
> --
> David Marchand

Oops, it should be a mistake, the patch has not been acked and reviewed yet.

Thanks for capture, will revert.
Qi