netdev - RE: [PATCH net-next 1/5] net: hns3: Enable HW GRO for Rev B(=0x21) HNS3 hardware

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Date:   Thu, 15 Nov 2018 09:36:10 +0000
From:   Salil Mehta <salil.mehta@...wei.com>
To:     Leon Romanovsky <leon@...nel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "Zhuangyuzeng (Yisen)" <yisen.zhuang@...wei.com>,
        "lipeng (Y)" <lipeng321@...wei.com>,
        "mehta.salil@...src.net" <mehta.salil@...src.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        Linuxarm <linuxarm@...wei.com>
Subject: RE: [PATCH net-next 1/5] net: hns3: Enable HW GRO for Rev B(=0x21)
 HNS3 hardware

> From: Leon Romanovsky [mailto:leon@...nel.org]
> Sent: Tuesday, November 13, 2018 11:25 AM
> To: Salil Mehta <salil.mehta@...wei.com>
> Cc: davem@...emloft.net; Zhuangyuzeng (Yisen) <yisen.zhuang@...wei.com>;
> lipeng (Y) <lipeng321@...wei.com>; mehta.salil@...src.net;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org; linux-
> rdma@...r.kernel.org; Linuxarm <linuxarm@...wei.com>
> Subject: Re: [PATCH net-next 1/5] net: hns3: Enable HW GRO for Rev
> B(=0x21) HNS3 hardware
> 
> On Tue, Nov 13, 2018 at 10:13:03AM +0000, Salil Mehta wrote:
> > From: Peng Li <lipeng321@...wei.com>
> >
> > HNS3 hardware Revision B(=0x21) supports Hardware GRO feature. This
> > patch enables this feature in the HNS3 PF/VF driver.
> >
> > Signed-off-by: Peng Li <lipeng321@...wei.com>
> > Signed-off-by: Salil Mehta <salil.mehta@...wei.com>


> >
> > +	ret = hclge_config_gro(hdev, true);
> > +	if (ret) {
> > +		dev_err(&pdev->dev,
> > +			"Failed to enable GRO in hardware, ret =%d\n", ret);
> 
> You already printed an error in the hclge_config_gro().

sure. thanks.

> 
> > +		goto err_mdiobus_unreg;
> > +	}
> > +
> >  	ret = hclge_init_vlan_config(hdev);
> >  	if (ret) {
> >  		dev_err(&pdev->dev, "VLAN init fail, ret =%d\n", ret);
> > @@ -7221,6 +7250,13 @@ static int hclge_reset_ae_dev(struct hnae3_ae_dev *ae_dev)
> >  		return ret;
> >  	}
> >
> > +	ret = hclge_config_gro(hdev, true);
> > +	if (ret) {
> > +		dev_err(&pdev->dev,
> > +			"Failed to enable GRO in hardware, ret =%d\n", ret);
> 
> Ditto

ok.


> >  static int hclgevf_rss_init_hw(struct hclgevf_dev *hdev)
> >  {
> >  	struct hclgevf_rss_cfg *rss_cfg = &hdev->rss_cfg;
> > @@ -2122,6 +2145,13 @@ static int hclgevf_reset_hdev(struct
> hclgevf_dev *hdev)
> >  		return ret;
> >  	}
> >
> > +	ret = hclgevf_config_gro(hdev, true);
> > +	if (ret) {
> > +		dev_err(&pdev->dev,
> > +			"failed to enable VF GRO in hardware, ret =%d\n",
> ret);
> > +		return ret;
> 
> Ditto

sure.


> 
> > +	}
> > +
> >  	ret = hclgevf_init_vlan_config(hdev);
> >  	if (ret) {
> >  		dev_err(&hdev->pdev->dev,
> > @@ -2199,6 +2229,13 @@ static int hclgevf_init_hdev(struct hclgevf_dev
> *hdev)
> >  		goto err_config;
> >  	}
> >
> > +	ret = hclgevf_config_gro(hdev, true);
> > +	if (ret) {
> > +		dev_err(&pdev->dev,
> > +			"Failed to enable VF GRO in hardware, ret =%d\n",
> ret);
> 
> Ditto

Fixed in V2. Thanks Leon.


Best regards
Salil.