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

[Zhang, Qi Z]

> -----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.

Thanks
Qi