From: "Xing, Beilei" <beilei.xing@intel.com>
To: "Zhao1, Wei" <wei.zhao1@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "stable@dpdk.org" <stable@dpdk.org>, "Guo, Jia" <jia.guo@intel.com>
Subject: Re: [dpdk-dev] [PATCH] net/i40e: fix flow FDIR enable issue
Date: Wed, 20 May 2020 04:13:42 +0000 [thread overview]
Message-ID: <BYAPR11MB3541EB527E9EAEA604BBEDB8F7B60@BYAPR11MB3541.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20200519071652.26537-1-wei.zhao1@intel.com>
> -----Original Message-----
> From: Zhao1, Wei <wei.zhao1@intel.com>
> Sent: Tuesday, May 19, 2020 3:17 PM
> To: dev@dpdk.org
> Cc: stable@dpdk.org; Xing, Beilei <beilei.xing@intel.com>; Guo, Jia
> <jia.guo@intel.com>; Zhao1, Wei <wei.zhao1@intel.com>
> Subject: [PATCH] net/i40e: fix flow FDIR enable issue
>
> When we flush flow FDIR, all queues are disabled for FDIR.
> If FDIR rule is created again, then the flow list is empty, as it is the first time to
> create rule after flush fdir filter, so we need to enable FDRI for all queues. And
> also, disable FDIR for queues should be done in function
> i40e_flow_flush_fdir_filter().
>
> Cc: stable@dpdk.org
> Fixes: 1491f63c7559 ("net/i40e: fix flush of flow director filter")
> Fixes: 6ae9b2b5e8c2 ("net/i40e: cache flow director enable value in Rx
> queue")
>
> Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
> ---
> drivers/net/i40e/i40e_flow.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c index
> 25c77e7aa..94fc73092 100644
> --- a/drivers/net/i40e/i40e_flow.c
> +++ b/drivers/net/i40e/i40e_flow.c
> @@ -3462,6 +3462,12 @@ i40e_flow_parse_fdir_filter(struct rte_eth_dev
> *dev,
> }
> }
>
> + /* If the flow list is empty, it is the first time to create
> + * rule after flush fdir filter, so enable fdir.
> + */
> + if (TAILQ_EMPTY(&pf->fdir.fdir_list))
> + i40e_fdir_rx_proc_enable(dev, 1);
> +
i40e_fdir_rx_proc_enable is called in i40e_fdir_configure, so could you check if we can optimize this and if statement (pf->fdir.fdir_vsi == NULL) above?
> return 0;
> err:
> i40e_fdir_teardown(pf);
> @@ -5330,9 +5336,6 @@ i40e_flow_flush(struct rte_eth_dev *dev, struct
> rte_flow_error *error)
> return -rte_errno;
> }
>
> - /* Disable FDIR processing as all FDIR rules are now flushed */
> - i40e_fdir_rx_proc_enable(dev, 0);
> -
> return ret;
> }
>
> @@ -5368,6 +5371,9 @@ i40e_flow_flush_fdir_filter(struct i40e_pf *pf)
> for (pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
> pctype <= I40E_FILTER_PCTYPE_L2_PAYLOAD; pctype++)
> pf->fdir.inset_flag[pctype] = 0;
> +
> + /* Disable FDIR processing as all FDIR rules are now flushed */
> + i40e_fdir_rx_proc_enable(dev, 0);
> }
>
> return ret;
> --
> 2.19.1
next prev parent reply other threads:[~2020-05-20 4:13 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 7:16 Wei Zhao
2020-05-19 9:36 ` Cui, LunyuanX
2020-05-20 3:18 ` Jeff Guo
2020-05-20 3:22 ` Zhao1, Wei
2020-05-20 4:13 ` Xing, Beilei [this message]
2020-05-20 5:13 ` Zhao1, Wei
2020-05-20 7:37 ` Xing, Beilei
2020-05-20 7:43 ` Zhao1, Wei
2020-05-21 8:03 ` [dpdk-dev] [PATCH v2] " Wei Zhao
2020-05-21 14:27 ` Jeff Guo
2020-05-22 0:59 ` Zhao1, Wei
2020-05-22 2:16 ` Jeff Guo
2020-05-22 9:18 ` Ye Xiaolong
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