From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: Kathleen Capella <Kathleen.Capella@arm.com>,
Feifei Wang <Feifei.Wang2@arm.com>,
"jerinj@marvell.com" <jerinj@marvell.com>,
"Ruifeng Wang" <Ruifeng.Wang@arm.com>,
"Xing, Beilei" <beilei.xing@intel.com>,
"Guo, Jia" <jia.guo@intel.com>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
Jianbo Liu <jianbo.liu@linaro.org>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>,
Feifei Wang <Feifei.Wang2@arm.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v1] net/i40e: fix parse ptype issue for NEON vector
Date: Thu, 25 Mar 2021 01:59:33 +0000 [thread overview]
Message-ID: <32235e321fe942b2bef657af72eef199@intel.com> (raw)
In-Reply-To: <DBAPR08MB5752492E3845711CA28A80B087919@DBAPR08MB5752.eurprd08.prod.outlook.com>
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Kathleen Capella
> Sent: Thursday, March 11, 2021 3:51 AM
> To: Feifei Wang <Feifei.Wang2@arm.com>; jerinj@marvell.com; Ruifeng
> Wang <Ruifeng.Wang@arm.com>; Xing, Beilei <beilei.xing@intel.com>; Guo,
> Jia <jia.guo@intel.com>; Richardson, Bruce <bruce.richardson@intel.com>;
> Jianbo Liu <jianbo.liu@linaro.org>
> Cc: dev@dpdk.org; nd <nd@arm.com>; Feifei Wang
> <Feifei.Wang2@arm.com>; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH v1] net/i40e: fix parse ptype issue for NEON
> vector
>
> Tested-by: Kathleen Capella <kathleen.capella@arm.com>
>
> > -----Original Message-----
> > From: dev <dev-bounces@dpdk.org> On Behalf Of Feifei Wang
> > Sent: Tuesday, March 9, 2021 9:40 PM
> > To: jerinj@marvell.com; Ruifeng Wang <Ruifeng.Wang@arm.com>; Beilei
> > Xing <beilei.xing@intel.com>; Jeff Guo <jia.guo@intel.com>; Bruce
> > Richardson <bruce.richardson@intel.com>; Jianbo Liu
> > <jianbo.liu@linaro.org>
> > Cc: dev@dpdk.org; nd <nd@arm.com>; Feifei Wang
> <Feifei.Wang2@arm.com>;
> > stable@dpdk.org
> > Subject: [dpdk-dev] [PATCH v1] net/i40e: fix parse ptype issue for
> > NEON vector
> >
> > In i40e NEON vector rx path, the packet descs processing is incorrect.
> > This caused wrong packet type been filled in mbuf.
> >
> > To fix this, when shifting the pktlen field to be 16-bit aligned, it
> > only needs to process the high 16bit of the packet descs instead of the high
> 32bit.
> >
> > Test Results:
> > Architecture: arm64
> > NIC: XL710
> > Driver: i40e
> > Package: Ether()/IP()/
> >
> > Without this patch:
> > desc_to_ptype_v: ptype = 7 (error)
> >
> > With this patch:
> > desc_to_ptype_v: ptype = 23 (correct)
> >
> > Fixes: ae0eb310f253 ("net/i40e: implement vector PMD for ARM")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Feifei Wang <feifei.wang2@arm.com>
> > Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
prev parent reply other threads:[~2021-03-25 1:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-10 2:40 [dpdk-stable] " Feifei Wang
2021-03-10 19:50 ` [dpdk-stable] [dpdk-dev] " Kathleen Capella
2021-03-25 1:59 ` Zhang, Qi Z [this message]
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