patches for DPDK stable branches
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From: "Wang, ShougangX" <shougangx.wang@intel.com>
To: "Zhang, Qi Z" <qi.z.zhang@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Xing, Beilei" <beilei.xing@intel.com>,
	"Guo, Jia" <jia.guo@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>,
	"Di, ChenxuX" <chenxux.di@intel.com>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH v2] net/i40e: fix incorrect hash look up table
Date: Wed, 22 Jul 2020 06:20:41 +0000
Message-ID: <BYAPR11MB3477B09C896A40E914B4579F88790@BYAPR11MB3477.namprd11.prod.outlook.com> (raw)
In-Reply-To: <039ED4275CED7440929022BC67E7061154863E7D@SHSMSX103.ccr.corp.intel.com>

Hi, Qi

> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang@intel.com>
> Sent: Wednesday, July 22, 2020 1:31 PM
> To: Wang, ShougangX <shougangx.wang@intel.com>; dev@dpdk.org
> Cc: Xing, Beilei <beilei.xing@intel.com>; Guo, Jia <jia.guo@intel.com>; Wang,
> ShougangX <shougangx.wang@intel.com>; stable@dpdk.org
> Subject: RE: [dpdk-dev] [PATCH v2] net/i40e: fix incorrect hash look up table
> 
> 
> 
> > -----Original Message-----
> > From: dev <dev-bounces@dpdk.org> On Behalf Of Shougang Wang
> > Sent: Tuesday, July 21, 2020 1:49 PM
> > To: dev@dpdk.org
> > Cc: Xing, Beilei <beilei.xing@intel.com>; Guo, Jia
> > <jia.guo@intel.com>; Wang, ShougangX <shougangx.wang@intel.com>;
> > stable@dpdk.org
> > Subject: [dpdk-dev] [PATCH v2] net/i40e: fix incorrect hash look up
> > table
> >
> > The hash look up table(LUT) will not be initializing when starting
> > testpmd with --disable-rss. So that some invalid queue indexes may
> > still in the LUT. When enable RSS by creating RSS rule, some packets will not
> be into the valid queues.
> > This patch fixes this issue by initializing the LUT when creating an RSS rule.
> 
> Could you explain why you only initialize the LUT when creating an RSS rule
> but not at dev_init or dev_start?
It is good to initialize the LUT at dev_start, I will fix it.

> What if user configure LUT table before create a RSS rule? Does that mean
> the LUT table will be flushed?
Yes.

Thanks.
Shougang

  reply	other threads:[~2020-07-22  6:20 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-15  6:35 [dpdk-stable] [PATCH] " Shougang Wang
2020-07-15  9:07 ` [dpdk-stable] [dpdk-dev] " Chen, BoX C
2020-07-18  4:07   ` Jeff Guo
2020-07-21  5:49 ` [dpdk-stable] [PATCH v2] " Shougang Wang
2020-07-21  6:41   ` [dpdk-stable] [dpdk-dev] " Xie, WeiX
2020-07-22  5:50     ` Jeff Guo
2020-07-22  6:39       ` Wang, ShougangX
2020-07-22  5:31   ` Zhang, Qi Z
2020-07-22  6:20     ` Wang, ShougangX [this message]
2020-07-22  8:15 ` [dpdk-stable] [PATCH v3] " Shougang Wang
2020-07-23  1:57   ` [dpdk-stable] [dpdk-dev] " Yang, Qiming
2020-07-23 12:53     ` Zhang, Qi Z
2020-07-24  2:34       ` Wang, ShougangX
2020-07-24  2:47 ` [dpdk-stable] [PATCH v4] " Shougang Wang
2020-07-24  3:57   ` Jeff Guo
2020-07-24  4:49     ` Wang, ShougangX
2020-07-24  5:07   ` [dpdk-stable] [dpdk-dev] " Yang, Qiming
2020-07-24  5:42     ` Wang, ShougangX
2020-07-24  8:12 ` [dpdk-stable] [PATCH v5] " Shougang Wang
2020-07-24  9:00   ` [dpdk-stable] [dpdk-dev] " Xie, WeiX
2020-07-24  9:38 ` [dpdk-stable] [PATCH v6] " Shougang Wang
2020-07-24  9:54   ` Jeff Guo
2020-07-24  9:58     ` [dpdk-stable] [dpdk-dev] " Zhang, Qi Z

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