netdev - Re: LRO/HW_GRO is not disabled when native xdp is installed

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Message-ID: <CACKFLi=30KJXL0xbdfgYqxWML5C5ZWyDPjtATByVf7hsao9gZQ@mail.gmail.com>
Date:   Thu, 12 Dec 2019 20:11:23 -0800
From:   Michael Chan <michael.chan@...adcom.com>
To:     Manish Chopra <manishc@...vell.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: LRO/HW_GRO is not disabled when native xdp is installed

On Thu, Dec 12, 2019 at 7:13 PM Manish Chopra <manishc@...vell.com> wrote:

> When attaching native xdp program, device's aggregation features (i.e LRO/HW_GRO) are not getting disabled.
> They seems to be getting disabled only in case of generic xdp install, not in case of native/driver mode xdp,

That sounds right.  For bnxt, when an xdp program is attached, the
driver will run in a special paging mode that won't support LRO or
hardware GRO.  So they are automatically turned off.  Isn't that the
case for your device as well?