netdev - Re: [PATCH v2 net-next 1/2] net: add GSO UDP L4 and GSO fraglists to the list of software-backed types

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Message-ID: <CA+FuTScT=aXKVEeGYLQeYVgoJXJjtTN2DxTgiCof-Kfsc_nZ2g@mail.gmail.com>
Date:   Mon, 2 Nov 2020 10:12:15 -0500
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Alexander Lobakin <alobakin@...me>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        Jiri Pirko <jiri@...nulli.us>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Antoine Tenart <atenart@...nel.org>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Network Development <netdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 net-next 1/2] net: add GSO UDP L4 and GSO fraglists to
 the list of software-backed types

On Sun, Nov 1, 2020 at 8:17 AM Alexander Lobakin <alobakin@...me> wrote:
>
> Commit e20cf8d3f1f7 ("udp: implement GRO for plain UDP sockets.") and
> commit 9fd1ff5d2ac7 ("udp: Support UDP fraglist GRO/GSO.") made UDP L4
> and fraglisted GRO/GSO fully supported by the software fallback mode.
> We can safely add them to NETIF_F_GSO_SOFTWARE to allow logical/virtual
> netdevs to forward these types of skbs up to the real drivers.
>
> Signed-off-by: Alexander Lobakin <alobakin@...me>

Acked-by: Willem de Bruijn <willemb@...gle.com>