[dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric RSS interference

Zhang, Qi Z qi.z.zhang at intel.com
Mon Jul 27 07:06:29 CEST 2020



> -----Original Message-----
> From: Guo, Jia <jia.guo at intel.com>
> Sent: Monday, July 27, 2020 11:32 AM
> To: Lu, Nannan <nannan.lu at intel.com>; Zhang, Qi Z <qi.z.zhang at intel.com>;
> Yang, Qiming <qiming.yang at intel.com>
> Cc: Su, Simei <simei.su at intel.com>; dev at dpdk.org; stable at 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 at dpdk.org> On Behalf Of Qi Zhang
> >> Sent: Saturday, July 25, 2020 8:14 PM
> >> To: Yang, Qiming <qiming.yang at intel.com>
> >> Cc: Su, Simei <simei.su at intel.com>; dev at dpdk.org; Zhang, Qi Z
> >> <qi.z.zhang at intel.com>; stable at 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 at dpdk.org
> >>
> >> Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
> >> ---
> >>   drivers/net/ice/base/ice_flex_pipe.c | 6 +++---
> >>   1 file changed, 3 insertions(+), 3 deletions(-)
> >>
> > Tested-by: Nannan Lu <nannan.lu at intel.com>
> 
> 
> Acked-by: Jeff Guo <jia.guo at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi
> 
> 
> >
> >> --
> >> 2.13.6


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