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From: "Yang, Qiming" <qiming.yang@intel.com>
To: David Marchand <david.marchand@redhat.com>,
	"Su, Simei" <simei.su@intel.com>,
	"Zhang, Yuying" <yuying.zhang@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: RE: [PATCH v5] net/i40e: rework maximum frame size configuration
Date: Fri, 3 Feb 2023 08:38:40 +0000	[thread overview]
Message-ID: <MWHPR11MB1886AECC49B07AE5BBA1AA4EE5D79@MWHPR11MB1886.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CAJFAV8wbZziMV3Y+9sAFP66Vz-Mc30n_gv960bk+_CRaf4XTow@mail.gmail.com>



> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Thursday, February 2, 2023 9:49 PM
> To: Su, Simei <simei.su@intel.com>; Zhang, Yuying
> <yuying.zhang@intel.com>; Xing, Beilei <beilei.xing@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Yang, Qiming <qiming.yang@intel.com>;
> stable@dpdk.org
> Subject: Re: [PATCH v5] net/i40e: rework maximum frame size configuration
> 
> On Thu, Feb 2, 2023 at 2:24 PM David Marchand
> <david.marchand@redhat.com> wrote:
> >
> > On Thu, Feb 2, 2023 at 1:37 PM Simei Su <simei.su@intel.com> wrote:
> > > @@ -2467,8 +2466,16 @@ i40e_dev_start(struct rte_eth_dev *dev)
> > >                             "please call hierarchy_commit() "
> > >                             "before starting the port");
> > >
> > > -       max_frame_size = dev->data->mtu + I40E_ETH_OVERHEAD;
> > > -       i40e_set_mac_max_frame(dev, max_frame_size);
> > > +       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;
> > > +       }
> >
> > Reading this patch again.
> >
> > Returning here seems incorrect as we leave rx/tx queue in started state.
> > Don't we need to jump to tx_err label on error?
> 
> There is probably an issue with interrupt handler still being registered too.
> Qi, i40e maintainers, please review this patch carefully, and ping me when it
> is ready so that we can test it at RH.
> 

This change will not break interrupt handler, the second parameter is waiting to complete. Just waiting more time to make sure adminq command execute completed. So that subsequent commands(MTU set) can be executed.
And if you have other issues report at RH system, please report it.

> 
> Thanks.
> --
> David Marchand


  reply	other threads:[~2023-02-03  8:39 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
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 [this message]
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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