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

[David Marchand]

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