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From: David Marchand <david.marchand@redhat.com>
To: Simei Su <simei.su@intel.com>, qi.z.zhang@intel.com
Cc: beilei.xing@intel.com, yuying.zhang@intel.com, dev@dpdk.org,
	 qiming.yang@intel.com, stable@dpdk.org
Subject: Re: [PATCH v5] net/i40e: rework maximum frame size configuration
Date: Thu, 2 Feb 2023 13:55:42 +0100	[thread overview]
Message-ID: <CAJFAV8z28ooHMmTfj=8G02EssMsP+wD_ivQjrBnrwanf5VO6Sw@mail.gmail.com> (raw)
In-Reply-To: <20230202123632.56730-1-simei.su@intel.com>

On Thu, Feb 2, 2023 at 1:37 PM Simei Su <simei.su@intel.com> wrote:
>
> This patch reverts mentioned changes below to remove unnecessary link
> status check and only moves max frame size configuration to dev_start.
> Also, it sets the parameter "wait to complete" true to wait for complete
> right after setting link up.

Why is the change on link status needed?
Is it necessary?

>
> Fixes: a4ba77367923 ("net/i40e: enable maximum frame size at port level")
> Fixes: 2184f7cdeeaa ("net/i40e: fix max frame size config at port level")
> Fixes: 719469f13b11 ("net/i40e: fix jumbo frame Rx with X722")
> Cc: stable@dpdk.org
>
> Signed-off-by: Simei Su <simei.su@intel.com>

I would have preferred you reply to my original report.
At least, I'd like you add some credit with my name in the commitlog.


For the record, the differences with my v1 are:

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 5635dd03cf..5d57bb9a0e 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2327,6 +2327,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
        uint32_t intr_vector = 0;
        struct i40e_vsi *vsi;
        uint16_t nb_rxq, nb_txq;
+       uint16_t max_frame_size;

        hw->adapter_stopped = 0;

@@ -2447,7 +2448,7 @@ i40e_dev_start(struct rte_eth_dev *dev)
                        PMD_DRV_LOG(WARNING, "Fail to set phy mask");

                /* Call get_link_info aq command to enable/disable LSE */
-               i40e_dev_link_update(dev, 0);
+               i40e_dev_link_update(dev, 1);
        }

        if (dev->data->dev_conf.intr_conf.rxq == 0) {
@@ -2465,8 +2466,16 @@ i40e_dev_start(struct rte_eth_dev *dev)
                            "please call hierarchy_commit() "
                            "before starting the port");

-       i40e_aq_set_mac_config(hw, dev->data->mtu + I40E_ETH_OVERHEAD, TRUE,
-               false, 0, NULL);
+       max_frame_size = dev->data->mtu ?
+               dev->data->mtu + I40E_ETH_OVERHEAD :
+               I40E_FRAME_SIZE_MAX;
+
+       /* Set the max frame size to HW*/
+       ret = i40e_aq_set_mac_config(hw, max_frame_size, TRUE, false, 0, NULL);
+       if (ret) {
+               PMD_DRV_LOG(ERR, "Fail to set mac config");
+               return ret;
+       }

        return I40E_SUCCESS;


Qi, don't apply this fix yet.
I'll generate some binaries internally to have Red Hat QE run their tests.


Thanks.

-- 
David Marchand


  reply	other threads:[~2023-02-02 12:56 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-16 10:53 [PATCH] " Simei Su
2023-01-16 11:18 ` David Marchand
2023-01-16 12:15   ` Su, Simei
2023-01-20  7:33     ` David Marchand
2023-01-20 13:57       ` Su, Simei
2023-01-20 14:46         ` David Marchand
2023-01-20 15:37           ` Su, Simei
2023-01-31  6:52 ` [PATCH v2] " Simei Su
2023-01-31  7:44   ` 答复: [[SPF Failed]][PATCH " 韩爽
2023-01-31 10:31   ` [PATCH v3] " Simei Su
2023-02-02  5:54     ` Yang, Qiming
2023-02-02 12:30     ` [PATCH v4] " Simei Su
2023-02-02 12:36       ` [PATCH v5] " Simei Su
2023-02-02 12:55         ` David Marchand [this message]
2023-02-03  3:50           ` Su, Simei
2023-02-02 13:24         ` David Marchand
2023-02-02 13:48           ` David Marchand
2023-02-03  8:38             ` Yang, Qiming
2023-02-03  8:47               ` David Marchand
2023-02-03  4:00           ` Su, Simei
2023-02-20  7:59         ` [PATCH v6] " Simei Su
2023-02-27  0:35           ` Zhang, Qi Z
2023-02-28  9:36             ` David Marchand
2023-03-02  9:51               ` Zhang, Qi Z
2023-03-22 16:50             ` Kevin Traynor
2023-03-23 14:50               ` Kevin Traynor
2023-03-24  6:32                 ` Jiang, YuX
2023-03-24  9:40                   ` Kevin Traynor
2023-03-24 10:20                     ` Jiang, YuX
2023-03-24 13:07                     ` Su, Simei
2023-03-06 12:18           ` [PATCH v7] net/i40e: fix max " Simei Su
2023-03-07  2:27             ` Zhang, Qi Z
2023-02-02 13:14       ` [PATCH v4] net/i40e: rework maximum " Kevin Traynor

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