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Message-ID: <4f3764f1-1faa-c28d-21b1-3356ddb3cede@pensando.io>
Date:   Fri, 29 Jul 2022 09:32:00 -0700
From:   Shannon Nelson <snelson@...sando.io>
To:     Guangbin Huang <huangguangbin2@...wei.com>, davem@...emloft.net,
        kuba@...nel.org, edumazet@...gle.com, pabeni@...hat.com,
        brett@...sando.io, drivers@...sando.io, anthony.l.nguyen@...el.com,
        jesse.brandeburg@...el.com
Cc:     intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, lipeng321@...wei.com
Subject: Re: [PATCH net 2/2] net: ionic: fix error check for vlan flags in
 ionic_set_nic_features()

On 7/29/22 3:17 AM, Guangbin Huang wrote:
> From: Jian Shen <shenjian15@...wei.com>
> 
> The prototype of input features of ionic_set_nic_features() is
> netdev_features_t, but the vlan_flags is using the private
> definition of ionic drivers. It should use the variable
> ctx.cmd.lif_setattr.features, rather than features to check
> the vlan flags. So fixes it.
> 
> Fixes: beead698b173 ("ionic: Add the basic NDO callbacks for netdev support")
> 
> Signed-off-by: Jian Shen <shenjian15@...wei.com>
> Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>

Good catch - thanks!

Acked-by: Shannon Nelson <snelson@...sando.io>


> ---
>   drivers/net/ethernet/pensando/ionic/ionic_lif.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
> index f3568901eb91..1443f788ee37 100644
> --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
> +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
> @@ -1437,7 +1437,7 @@ static int ionic_set_nic_features(struct ionic_lif *lif,
>   	if ((old_hw_features ^ lif->hw_features) & IONIC_ETH_HW_RX_HASH)
>   		ionic_lif_rss_config(lif, lif->rss_types, NULL, NULL);
>   
> -	if ((vlan_flags & features) &&
> +	if ((vlan_flags & le64_to_cpu(ctx.cmd.lif_setattr.features)) &&
>   	    !(vlan_flags & le64_to_cpu(ctx.comp.lif_setattr.features)))
>   		dev_info_once(lif->ionic->dev, "NIC is not supporting vlan offload, likely in SmartNIC mode\n");
>   

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