From: "Lu, Nannan" <nannan.lu@intel.com>
To: "Zhang, Qi Z" <qi.z.zhang@intel.com>,
"Yang, Qiming" <qiming.yang@intel.com>
Cc: "Su, Simei" <simei.su@intel.com>, "dev@dpdk.org" <dev@dpdk.org>,
"Zhang, Qi Z" <qi.z.zhang@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric RSS interference
Date: Mon, 27 Jul 2020 01:28:34 +0000 [thread overview]
Message-ID: <DM6PR11MB3900DA6863A8889A3EE7B24FF8720@DM6PR11MB3900.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200725121424.46332-1-qi.z.zhang@intel.com>
> -----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 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>
> --
> 2.13.6
next prev parent reply other threads:[~2020-07-27 1:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-25 12:14 [dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric RSS interference Qi Zhang
2020-07-27 1:28 ` Lu, Nannan [this message]
2020-07-27 3:32 ` Jeff Guo
2020-07-27 5:06 ` Zhang, Qi Z
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