netdev - Re: [PATCH bpf-next 2/4] samples/bpf: xdpsock: add Dest and Src MAC setting for Tx-only operation

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Date:   Fri, 26 Nov 2021 22:40:16 -0800
From:   Song Liu <song@...nel.org>
To:     Ong Boon Leong <boon.leong.ong@...el.com>
Cc:     bpf <bpf@...r.kernel.org>, Networking <netdev@...r.kernel.org>,
        bjorn@...nel.org, Magnus Karlsson <magnus.karlsson@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        KP Singh <kpsingh@...nel.org>
Subject: Re: [PATCH bpf-next 2/4] samples/bpf: xdpsock: add Dest and Src MAC
 setting for Tx-only operation

On Wed, Nov 24, 2021 at 1:21 AM Ong Boon Leong <boon.leong.ong@...el.com> wrote:
>
> To set Dest MAC address (-G|--tx-dmac) only:
>  $ xdpsock -i eth0 -t -N -z -G aa:bb:cc:dd:ee:ff
>
> To set Source MAC address (-H|--tx-smac) only:
>  $ xdpsock -i eth0 -t -N -z -H 11:22:33:44:55:66
>
> To set both Dest and Source MAC address:
>  $ xdpsock -i eth0 -t -N -z -G aa:bb:cc:dd:ee:ff \
>    -H 11:22:33:44:55:66
>
> The default Dest and Source MAC address remain the same as before.
>
> Signed-off-by: Ong Boon Leong <boon.leong.ong@...el.com>

Acked-by: Song Liu <songliubraving@...com>