netdev - Re: [PATCH net-next v4 4/5] bnx2x: Use NETIF_F_GRO

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Message-ID: <CACKFLimaFTMc62+VoSVNk+T8aT3snjwRPyXrZPeJ4hqXiE73KA@mail.gmail.com>
Date:   Thu, 14 Dec 2017 23:56:49 -0800
From:   Michael Chan <michael.chan@...adcom.com>
To:     "Chopra, Manish" <Manish.Chopra@...ium.com>
Cc:     "davem@...emloft.net" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "andrew.gospodarek@...adcom.com" <andrew.gospodarek@...adcom.com>,
        "Elior, Ariel" <Ariel.Elior@...ium.com>,
        Dept-Eng Everest Linux L2 <Dept-EngEverestLinuxL2@...ium.com>
Subject: Re: [PATCH net-next v4 4/5] bnx2x: Use NETIF_F_GRO_HW.

On Thu, Dec 14, 2017 at 11:07 PM, Chopra, Manish
<Manish.Chopra@...ium.com> wrote:

> Michael, I checked it on again, I tried to set LRO in dev->features and dev->hw_features.
> Somehow, it gets disabled after register_netdevice().  Any idea why ? Although, I am not running any Bridge/bonding devices.
> Looks like, without this series also devices seems to have LRO disabled by default.
> Not sure why register_netdevice() disables LRO even driver populates this feature prior to register_netdevice().

May be you have ip forwarding enabled.