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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Wang, Haiyue" <haiyue.wang@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
CC: "pvalerio@redhat.com" <pvalerio@redhat.com>, "aconole@redhat.com"
<aconole@redhat.com>, "david.marchand@redhat.com"
<david.marchand@redhat.com>, "Rong, Leyi" <leyi.rong@intel.com>, "Tu, Lijuan"
<lijuan.tu@intel.com>, "Ruifeng.Wang@arm.com" <Ruifeng.Wang@arm.com>,
"Feifei.Wang2@arm.com" <Feifei.Wang2@arm.com>, "stable@dpdk.org"
<stable@dpdk.org>, "Guo, Jia" <jia.guo@intel.com>, "Richardson, Bruce"
<bruce.richardson@intel.com>, "Ananyev, Konstantin"
<konstantin.ananyev@intel.com>
Thread-Topic: [PATCH v2] net/ixgbe: fix UDP zero checksum error
Thread-Index: AQHW+dVLW7HgIXzrxkuJRrL+jyjgvapGE2pg
Date: Wed, 3 Feb 2021 08:07:31 +0000
Message-ID: <e6e2b5ca46bc48769ac32f3eb9d3e0b9@intel.com>
References: <20210202070652.145861-1-haiyue.wang@intel.com>
<20210203021922.16164-1-haiyue.wang@intel.com>
In-Reply-To: <20210203021922.16164-1-haiyue.wang@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v2] net/ixgbe: fix UDP zero checksum error
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> -----Original Message-----
> From: Wang, Haiyue <haiyue.wang@intel.com>
> Sent: Wednesday, February 3, 2021 10:19 AM
> To: dev@dpdk.org
> Cc: pvalerio@redhat.com; aconole@redhat.com;
> david.marchand@redhat.com; Zhang, Qi Z <qi.z.zhang@intel.com>; Rong, Leyi
> <leyi.rong@intel.com>; Tu, Lijuan <lijuan.tu@intel.com>;
> Ruifeng.Wang@arm.com; Feifei.Wang2@arm.com; Wang, Haiyue
> <haiyue.wang@intel.com>; stable@dpdk.org; Guo, Jia <jia.guo@intel.com>;
> Richardson, Bruce <bruce.richardson@intel.com>; Ananyev, Konstantin
> <konstantin.ananyev@intel.com>
> Subject: [PATCH v2] net/ixgbe: fix UDP zero checksum error
>=20
> There is an 82599 errata that UDP frames with a zero checksum are incorre=
ctly
> marked as checksum invalid by the hardware. This was leading to misleadi=
ng
> PKT_RX_L4_CKSUM_BAD flag.
>=20
> This patch changes the bad UDP checksum to PKT_RX_L4_CKSUM_UNKNOWN,
> so the software application will then have to recompute the checksum itse=
lf if
> needed.
>=20
> Bugzilla ID: 629
>=20
> Fixes: af75078fece3 ("first public release")
> Cc: stable@dpdk.org
>=20
> Reported-by: Paolo Valerio <pvalerio@redhat.com>
> Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi