[dpdk-dev] [PATCH] net/ice: fix wrong data path selection in secondary process

[Zhang, Qi Z]

Hi Srinivas:

This is the fix for PF driver only, for VF we have a separated fix and it is not be captured in 20.11.3, but I saw the patches are already merged in stable tree.
You can try with latest 20.11.4-rc1,   or wait for 20.11.4 LTS.

Regards
Qi

From: Navin Srinivas <g.navinsrinivas at gmail.com>
Sent: Tuesday, February 22, 2022 11:56 AM
To: Zhang, Qi Z <qi.z.zhang at intel.com>
Cc: Wang, Yixue <yixue.wang at intel.com>; Yang, Qiming <qiming.yang at intel.com>; Zhang, Liheng <liheng.zhang at intel.com>; Dong, Yao <yao.dong at intel.com>; dev at dpdk.org; stable at dpdk.org
Subject: Re: [dpdk-dev] [PATCH] net/ice: fix wrong data path selection in secondary process

Hi,

Is this tested on VFs? I saw crash on both PF as well as VF, on 20.11.1, but did not see PF crash on 20.11.3,
I'm seeing a crash on the secondary process when it receives packet on the VF, but PF doesn't crash now on 20.11.3

So I suspect this is the patch which is fixing the issue on ICE secondary process crash on PF.

Thanks & Regards,
Navin Srinivas

On Thu, Jun 3, 2021 at 3:51 PM Zhang, Qi Z <qi.z.zhang at intel.com<mailto:qi.z.zhang at intel.com>> wrote:


> -----Original Message-----
> From: Wang, Yixue <yixue.wang at intel.com<mailto:yixue.wang at intel.com>>
> Sent: Thursday, June 3, 2021 6:04 PM
> To: Zhang, Qi Z <qi.z.zhang at intel.com<mailto:qi.z.zhang at intel.com>>; Yang, Qiming
> <qiming.yang at intel.com<mailto:qiming.yang at intel.com>>
> Cc: Zhang, Liheng <liheng.zhang at intel.com<mailto:liheng.zhang at intel.com>>; Dong, Yao
> <yao.dong at intel.com<mailto:yao.dong at intel.com>>; dev at dpdk.org<mailto:dev at dpdk.org>; stable at dpdk.org<mailto:stable at dpdk.org>
> Subject: RE: [PATCH] net/ice: fix wrong data path selection in secondary
> process
>
> Hi, Qi
>
> I've tested this patch and it works.
>
> Best Regards,
> Yixue.
>
> > -----Original Message-----
> > From: Zhang, Qi Z <qi.z.zhang at intel.com<mailto:qi.z.zhang at intel.com>>
> > Sent: Monday, May 24, 2021 17:08
> > To: Yang, Qiming <qiming.yang at intel.com<mailto:qiming.yang at intel.com>>
> > Cc: Zhang, Liheng <liheng.zhang at intel.com<mailto:liheng.zhang at intel.com>>; Wang, Yixue
> > <yixue.wang at intel.com<mailto:yixue.wang at intel.com>>; Dong, Yao <yao.dong at intel.com<mailto:yao.dong at intel.com>>; dev at dpdk.org<mailto:dev at dpdk.org>;
> > Zhang, Qi Z <qi.z.zhang at intel.com<mailto:qi.z.zhang at intel.com>>; stable at dpdk.org<mailto:stable at dpdk.org>
> > Subject: [PATCH] net/ice: fix wrong data path selection in secondary
> > process
> >
> > The flag use_avx2 and use_avx512 are defined as local variables, they
> > will not be aware by the secondary process, then wrong data path is
> > selected. Fix the issue by moving them into struct ice_adapter.
> >
> > Fixes: ae60d3c9b227 ("net/ice: support Rx AVX2 vector")
> > Fixes: 2d5f6953d56d ("net/ice: support vector AVX2 in Tx")
> > Fixes: 7f85d5ebcfe1 ("net/ice: add AVX512 vector path")
> > Cc: stable at dpdk.org<mailto:stable at dpdk.org>
> >
> > Reported-by: Yixue Wang <yixue.wang at intel.com<mailto:yixue.wang at intel.com>>
> > Signed-off-by: Qi Zhang <qi.z.zhang at intel.com<mailto:qi.z.zhang at intel.com>>

Tested-by: Yixue Wang <yixue.wang at intel.com<mailto:yixue.wang at intel.com>>

Applied to dpdk-next-net-intel.

Thanks
Qi
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