netdev - Re: [PATCH bpf-next v2 3/3] bpf/selftests: Add xdp bpf_load_tcp_hdr

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Date:   Wed, 6 Oct 2021 16:52:52 -0700
From:   Song Liu <song@...nel.org>
To:     Joanne Koong <joannekoong@...com>
Cc:     bpf <bpf@...r.kernel.org>, Martin KaFai Lau <kafai@...com>,
        Networking <netdev@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH bpf-next v2 3/3] bpf/selftests: Add xdp
 bpf_load_tcp_hdr_options tests

On Wed, Oct 6, 2021 at 4:09 PM Joanne Koong <joannekoong@...com> wrote:
>
> This patch adds tests for bpf_load_tcp_hdr_options used by xdp
> programs.
>
> test_xdp_tcp_hdr_options.c:
> - Tests ipv4 and ipv6 packets with TCPOPT_EXP and non-TCPOPT_EXP
> tcp options set. Verify that options can be parsed and loaded
> successfully.
> - Tests error paths: TCPOPT_EXP with invalid magic, option with
> invalid kind_len, non-existent option, invalid flags, option size
> smaller than kind_len, invalid packet
>
> Signed-off-by: Joanne Koong <joannekoong@...com>

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