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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Yang, SteveX" <stevex.yang@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Yang, Qiming" <qiming.yang@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	"Wu, Jingjing" <jingjing.wu@intel.com>,
	"Yang, SteveX" <stevex.yang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2 2/2] net/iavf: fix the RSS error when VF port	closed
Date: Thu, 12 Nov 2020 11:47:44 +0000
Message-ID: <c2076c4791a84e3b947232830f01adaa@intel.com> (raw)
In-Reply-To: <20201109065136.26807-3-stevex.yang@intel.com>



> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Steve Yang
> Sent: Monday, November 9, 2020 2:52 PM
> To: dev@dpdk.org
> Cc: Yang, Qiming <qiming.yang@intel.com>; Xing, Beilei
> <beilei.xing@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>; Yang, SteveX
> <stevex.yang@intel.com>
> Subject: [dpdk-dev] [PATCH v2 2/2] net/iavf: fix the RSS error when VF port
> closed
> 
> Check the VF RSS offload flag and ignore relative operation when iavf hash
> uninit to avoid reset/close error.
> 
> Fixes: 7be10c3004be ("net/iavf: add RSS configuration for VF")
> 
> Signed-off-by: Steve Yang <stevex.yang@intel.com>
> ---
>  drivers/net/iavf/iavf_hash.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c index
> 8a5a6bb5a4..d3e9218f75 100644
> --- a/drivers/net/iavf/iavf_hash.c
> +++ b/drivers/net/iavf/iavf_hash.c
> @@ -1093,10 +1093,13 @@ iavf_hash_uninit(struct iavf_adapter *ad)
>  	if (vf->vf_reset)
>  		return;
> 
> -	if (iavf_hash_default_set(ad, false))
> -		PMD_DRV_LOG(ERR, "fail to delete default RSS");
> +	if (vf->vf_res &&
> +	    vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) {
> +		if (iavf_hash_default_set(ad, false))
> +			PMD_DRV_LOG(ERR, "fail to delete default RSS");

Better to follow the same pattern in ice_hash_init, return immediate when check something wrong.

> 
> -	iavf_unregister_parser(&iavf_hash_parser, ad);
> +		iavf_unregister_parser(&iavf_hash_parser, ad);
> +	}
>  }
> 
>  static void
> --
> 2.17.1


  reply	other threads:[~2020-11-12 11:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05  8:32 [dpdk-dev] [PATCH v1] net/iavf: fix reset VF doesn't notify PF to reset Steve Yang
2020-11-06  2:58 ` Xing, Beilei
2020-11-09  6:51 ` [dpdk-dev] [PATCH v2 0/2] net/iavf: backported bug fixes from i40evf to iavf Steve Yang
2020-11-09  6:51   ` [dpdk-dev] [PATCH v2 1/2] net/iavf: fix reset VF doesn't notify PF to reset Steve Yang
2020-11-10  5:56     ` Xing, Beilei
2020-11-09  6:51   ` [dpdk-dev] [PATCH v2 2/2] net/iavf: fix the RSS error when VF port closed Steve Yang
2020-11-12 11:47     ` Zhang, Qi Z [this message]
2020-11-13  0:46   ` [dpdk-dev] [PATCH v2 0/2] net/iavf: backported bug fixes from i40evf to iavf Steve Yang
2020-11-13  0:46     ` [dpdk-dev] [PATCH v3 1/2] net/iavf: fix reset VF doesn't notify PF to reset Steve Yang
2020-11-13  7:45       ` Xing, Beilei
2020-11-13  0:46     ` [dpdk-dev] [PATCH v3 2/2] net/iavf: fix the RSS error when VF port closed Steve Yang
2020-11-13  5:38       ` Zhang, Qi Z

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