From: Jeff Guo <jia.guo@intel.com>
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" <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 11:32:03 +0800 [thread overview]
Message-ID: <44bf0982-b759-9618-132f-2d505c81f187@intel.com> (raw)
In-Reply-To: <DM6PR11MB3900DA6863A8889A3EE7B24FF8720@DM6PR11MB3900.namprd11.prod.outlook.com>
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 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>
>
>> --
>> 2.13.6
next prev parent reply other threads:[~2020-07-27 3:32 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 [this message]
2020-07-27 5:06 ` Zhang, Qi Z
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