Hi David,

> -----Original Message-----
> From: David Marchand <[email protected]>
> Sent: Thursday, February 2, 2023 9:24 PM
> To: Su, Simei <[email protected]>
> Cc: Xing, Beilei <[email protected]>; Zhang, Yuying
> <[email protected]>; [email protected]; Zhang, Qi Z
> <[email protected]>; Yang, Qiming <[email protected]>;
> [email protected]
> Subject: Re: [PATCH v5] net/i40e: rework maximum frame size configuration
> 
> On Thu, Feb 2, 2023 at 1:37 PM Simei Su <[email protected]> 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?

Yes, it's my fault to return here incorrectly. I will modify it in next version.

Thanks,
Simei

> 
> >
> >         return I40E_SUCCESS;
> >
> 
> --
> David Marchand

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