From: "Yang, Qiming" <qiming.yang@intel.com>
To: "Wu, Wenjun1" <wenjun1.wu@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Zhang, Qi Z" <qi.z.zhang@intel.com>
Cc: "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2] net/ice: fix wrong RSS hash update
Date: Thu, 4 Mar 2021 02:18:52 +0000 [thread overview]
Message-ID: <BN6PR11MB0017BF1CF7BB452A2D936DC9E5979@BN6PR11MB0017.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20210303075648.12399-1-wenjun1.wu@intel.com>
Acked-by: Qiming Yang <qiming.yang@intel.com>
> -----Original Message-----
> From: Wu, Wenjun1 <wenjun1.wu@intel.com>
> Sent: 2021年3月3日 15:57
> To: dev@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: Wu, Wenjun1 <wenjun1.wu@intel.com>; stable@dpdk.org
> Subject: [PATCH v2] net/ice: fix wrong RSS hash update
>
> This patch change redundant judgment statements to disable RSS when users
> need to disable RSS or RSS hash function configured is not supported.
>
> Fixes: 4717a12cfaf1 ("net/ice: initialize and update RSS based on user config")
> Cc: stable@dpdk.org
>
> Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>
>
> ---
> v2: do pf->rss_hf = 0 when rss_conf->rss_hf == 0 instead of direct removal to
> avoid unnecessary judgment.
> ---
> drivers/net/ice/ice_ethdev.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c index
> f43b2e0b2..299162286 100644
> --- a/drivers/net/ice/ice_ethdev.c
> +++ b/drivers/net/ice/ice_ethdev.c
> @@ -4461,8 +4461,10 @@ ice_rss_hash_update(struct rte_eth_dev *dev,
> if (status)
> return status;
>
> - if (rss_conf->rss_hf == 0)
> + if (rss_conf->rss_hf == 0) {
> + pf->rss_hf = 0;
> return 0;
> + }
>
> /* RSS hash configuration */
> ice_rss_hash_set(pf, rss_conf->rss_hf);
> --
> 2.25.1
prev parent reply other threads:[~2021-03-04 2:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210302053105.63783-1>
2021-03-03 7:56 ` Wenjun Wu
2021-03-04 2:18 ` Yang, Qiming [this message]
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