From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Guo, Jia" <jia.guo@intel.com>,
"Lu, Nannan" <nannan.lu@intel.com>,
"Yang, Qiming" <qiming.yang@intel.com>
Cc: "Su, Simei" <simei.su@intel.com>, "dev@dpdk.org" <dev@dpdk.org>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric RSS interference
Date: Mon, 27 Jul 2020 05:06:29 +0000 [thread overview]
Message-ID: <039ED4275CED7440929022BC67E7061154866A5F@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <44bf0982-b759-9618-132f-2d505c81f187@intel.com>
> -----Original Message-----
> From: Guo, Jia <jia.guo@intel.com>
> Sent: Monday, July 27, 2020 11:32 AM
> To: Lu, Nannan <nannan.lu@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>;
> Yang, Qiming <qiming.yang@intel.com>
> Cc: Su, Simei <simei.su@intel.com>; dev@dpdk.org; stable@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric RSS
> interference
>
>
> On 7/27/2020 9:28 AM, Lu, Nannan wrote:
> >> -----Original Message-----
> >> From: dev <dev-bounces@dpdk.org> On Behalf Of Qi Zhang
> >> Sent: Saturday, July 25, 2020 8:14 PM
> >> To: Yang, Qiming <qiming.yang@intel.com>
> >> Cc: Su, Simei <simei.su@intel.com>; dev@dpdk.org; Zhang, Qi Z
> >> <qi.z.zhang@intel.com>; stable@dpdk.org
> >> Subject: [dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric
> >> RSS interference
> >>
> >> A new symmetric RSS rule may force another asymmetric rule to be
> >> symmetric, vise versa. The reason is due to the flow engine will try
vice versa.
> >> to reuse the existing profile if the input set matches with the new
> >> rule. The fix is to disable this optimization for RSS since we are not at the
> situation as profile shortage.
> >>
> >> Fixes: ddae0440353f ("net/ice/base: enable symmetric hash for RSS")
> >> Cc: stable@dpdk.org
> >>
> >> Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
> >> ---
> >> drivers/net/ice/base/ice_flex_pipe.c | 6 +++---
> >> 1 file changed, 3 insertions(+), 3 deletions(-)
> >>
> > Tested-by: Nannan Lu <nannan.lu@intel.com>
>
>
> Acked-by: Jeff Guo <jia.guo@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
>
>
> >
> >> --
> >> 2.13.6
prev parent reply other threads:[~2020-07-27 5:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-25 12:14 [dpdk-stable] " Qi Zhang
2020-07-27 1:28 ` [dpdk-stable] [dpdk-dev] " Lu, Nannan
2020-07-27 3:32 ` Jeff Guo
2020-07-27 5:06 ` Zhang, Qi Z [this message]
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