netdev - Re: [PATCH net] veth: take into account peer device for NETDEV_XDP_ACT_NDO_XMIT xdp

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Message-ID: <CAADnVQJEP8MeKRP+n1xMD=RiV7byvHYWTfqGL7+Y+nGbd3xYRw@mail.gmail.com>
Date:   Tue, 18 Apr 2023 11:19:26 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>,
        Lorenzo Bianconi <lorenzo.bianconi@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <martin.lau@...ux.dev>,
        Jussi Maki <joamaki@...il.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Toke Høiland-Jørgensen <toke@...hat.com>
Subject: Re: [PATCH net] veth: take into account peer device for
 NETDEV_XDP_ACT_NDO_XMIT xdp_features flag

On Mon, Apr 17, 2023 at 2:54 PM Lorenzo Bianconi <lorenzo@...nel.org> wrote:
>
> For veth pairs, NETDEV_XDP_ACT_NDO_XMIT is supported by the current
> device if the peer one is running a XDP program or if it has GRO enabled.
> Fix the xdp_features flags reporting considering peer device and not
> current one for NETDEV_XDP_ACT_NDO_XMIT.
>
> Fixes: fccca038f300 ("veth: take into account device reconfiguration for xdp_features flag")
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>

Applied to bpf tree.