[dpdk-stable] [dpdk-dev] [PATCH] net/ice/base: fix symmetric asymmetric RSS interference
Lu, Nannan
nannan.lu at intel.com
Mon Jul 27 03:28:34 CEST 2020
> -----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 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>
> --
> 2.13.6
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