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From: "Jiang, YuX" <yux.jiang@intel.com>
To: Kevin Traynor <ktraynor@redhat.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>,
	 "Su, Simei" <simei.su@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	 "Zhang, Yuying" <yuying.zhang@intel.com>,
	"david.marchand@redhat.com" <david.marchand@redhat.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	"Yang, Qiming" <qiming.yang@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>,
	Luca Boccassi <bluca@debian.org>,
	"Mcnamara, John" <john.mcnamara@intel.com>
Subject: RE: [PATCH v6] net/i40e: rework maximum frame size configuration
Date: Fri, 24 Mar 2023 06:32:36 +0000	[thread overview]
Message-ID: <BYAPR11MB27116B1AB6951DD1335AFFA3FE849@BYAPR11MB2711.namprd11.prod.outlook.com> (raw)
In-Reply-To: <9aa3b88a-5e2f-d857-b554-d88a572b46b2@redhat.com>

> -----Original Message-----
> From: Kevin Traynor <ktraynor@redhat.com>
> Sent: Thursday, March 23, 2023 10:51 PM
> To: Zhang, Qi Z <qi.z.zhang@intel.com>; Su, Simei <simei.su@intel.com>; Xing,
> Beilei <beilei.xing@intel.com>; Zhang, Yuying <yuying.zhang@intel.com>;
> david.marchand@redhat.com; Jiang, YuX <yux.jiang@intel.com>
> Cc: dev@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; stable@dpdk.org;
> Luca Boccassi <bluca@debian.org>; Mcnamara, John
> <john.mcnamara@intel.com>
> Subject: Re: [PATCH v6] net/i40e: rework maximum frame size configuration
> 
> On 22/03/2023 16:50, Kevin Traynor wrote:
> > On 27/02/2023 00:35, Zhang, Qi Z wrote:
> >>
> >
> > Hi Simei/Qi/Yu
> >
> 
> Hi Yu,
> 
> >>
> >>> -----Original Message-----
> >>> From: Su, Simei <simei.su@intel.com>
> >>> Sent: Monday, February 20, 2023 4:00 PM
> >>> To: Xing, Beilei <beilei.xing@intel.com>; Zhang, Yuying
> >>> <yuying.zhang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
> >>> david.marchand@redhat.com
> >>> Cc: dev@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; Su, Simei
> >>> <simei.su@intel.com>; stable@dpdk.org
> >>> Subject: [PATCH v6] net/i40e: rework maximum frame size
> >>> configuration
> >>>
> >>> One issue is reported by David Marchand that error occurs in OVS due
> >>> to the fix patch in mentioned changes below. The detailed reproduce
> >>> step and result are in
> >>> https://patchwork.dpdk.org/project/dpdk/patch/
> >>> 20211207085946.121032-1-dapengx.yu@intel.com/.
> >>>
> >>> This patch removes unnecessary link status check and directly sets
> >>> mac config in dev_start. Also, it sets the parameter "wait to
> >>> complete" true to wait for more time to make sure adminq command
> execute completed.
> >>>
> >
> >>> Fixes: a4ba77367923 ("net/i40e: enable maximum frame size at port
> >>> level")
> >>> Fixes: 2184f7cdeeaa ("net/i40e: fix max frame size config at port
> >>> level")
> >>> Fixes: 719469f13b11 ("net/i40e: fix jumbo frame Rx with X722")
> >>> Cc: stable@dpdk.org
> >
> > These patches caused an observable regression in multiple 20.11 and
> > 21.11 LTS releases that was only caught a long time after releases.
> >
> > Is there anything being added to LTS validation for regression testing
> > this issue, so we don't get caught again?
> >
> 
> This is the issue I was talking about earlier during the release meeting. Not sure
> if we were talking about the same patch.
> 
> I was asking if there are some regression tests added/can be added to LTS
> validation that will be run during each LTS validation cycle so we don't have any
> more regressions on it.
> 
Hi Kevin, 
Thanks for your comments.
Yes. We are adding additional case to cover more testing. For main branch, we have done the regression testing (including the additional case testing), they both work well.
We hope the two related patches can be backported to LTS branch, and the second patch just reworks for previous bug's fix.
	Patch1: https://patchwork.dpdk.org/project/dpdk/patch/20221213091837.87953-1-david.marchand@redhat.com/	a8ca8ed net/i40e: revert link status check on device start
	Pathc2: https://patchwork.dpdk.org/project/dpdk/patch/20230306121853.27547-1-simei.su@intel.com/	82fcf20 net/i40e: fix maximum frame size configuration

Best regards,
Yu Jiang

> thanks,
> Kevin.
> 
> > After reverting the original patch and 2 fixes, I'm a bit reluctant to
> > take more fixes without some form of regression testing in place.
> >
> > thanks,
> > Kevin.
> >
> >>>
> >>> Reported-by: David Marchand <david.marchand@redhat.com>
> >>> Signed-off-by: Simei Su <simei.su@intel.com>
> >>
> >> Acked-by: Qi Zhang <qi.z.zhang@intel.com>
> >>
> >> Applied to dpdk-next-net-intel.
> >>
> >> Thanks
> >> Qi
> >>
> >


  reply	other threads:[~2023-03-24  6:32 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-16 10:53 [PATCH] " Simei Su
2023-01-16 11:18 ` David Marchand
2023-01-16 12:15   ` Su, Simei
2023-01-20  7:33     ` David Marchand
2023-01-20 13:57       ` Su, Simei
2023-01-20 14:46         ` David Marchand
2023-01-20 15:37           ` Su, Simei
2023-01-31  6:52 ` [PATCH v2] " Simei Su
2023-01-31  7:44   ` 答复: [[SPF Failed]][PATCH " 韩爽
2023-01-31 10:31   ` [PATCH v3] " Simei Su
2023-02-02  5:54     ` Yang, Qiming
2023-02-02 12:30     ` [PATCH v4] " Simei Su
2023-02-02 12:36       ` [PATCH v5] " Simei Su
2023-02-02 12:55         ` David Marchand
2023-02-03  3:50           ` Su, Simei
2023-02-02 13:24         ` David Marchand
2023-02-02 13:48           ` David Marchand
2023-02-03  8:38             ` Yang, Qiming
2023-02-03  8:47               ` David Marchand
2023-02-03  4:00           ` Su, Simei
2023-02-20  7:59         ` [PATCH v6] " Simei Su
2023-02-27  0:35           ` Zhang, Qi Z
2023-02-28  9:36             ` David Marchand
2023-03-02  9:51               ` Zhang, Qi Z
2023-03-22 16:50             ` Kevin Traynor
2023-03-23 14:50               ` Kevin Traynor
2023-03-24  6:32                 ` Jiang, YuX [this message]
2023-03-24  9:40                   ` Kevin Traynor
2023-03-24 10:20                     ` Jiang, YuX
2023-03-24 13:07                     ` Su, Simei
2023-03-06 12:18           ` [PATCH v7] net/i40e: fix max " Simei Su
2023-03-07  2:27             ` Zhang, Qi Z
2023-02-02 13:14       ` [PATCH v4] net/i40e: rework maximum " Kevin Traynor
2023-02-20  7:27 [PATCH v6] " Simei Su
2023-02-20  8:05 ` Su, Simei

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