Re: [PATCH bpf-next] selftests/bpf: fix ct status check in bpf_nf selftests

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On Wed, Sep 7, 2022 at 3:56 AM Lorenzo Bianconi <lorenzo@xxxxxxxxxx> wrote:
>
> Check properly the connection tracking entry status configured running
> bpf_ct_change_status kfunc.
> Remove unnecessary IPS_CONFIRMED status configuration since it is
> already done during entry allocation.
>
> Fixes: 6eb7fba007a7 ("selftests/bpf: Add tests for new nf_conntrack kfuncs")
> Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> ---
>  tools/testing/selftests/bpf/prog_tests/bpf_nf.c | 4 ++--
>  tools/testing/selftests/bpf/progs/test_bpf_nf.c | 8 +++++---
>  2 files changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_nf.c b/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
> index 544bf90ac2a7..903d16e3abed 100644
> --- a/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
> +++ b/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
> @@ -111,8 +111,8 @@ static void test_bpf_nf_ct(int mode)
>         /* allow some tolerance for test_delta_timeout value to avoid races. */
>         ASSERT_GT(skel->bss->test_delta_timeout, 8, "Test for min ct timeout update");
>         ASSERT_LE(skel->bss->test_delta_timeout, 10, "Test for max ct timeout update");
> -       /* expected status is IPS_SEEN_REPLY */
> -       ASSERT_EQ(skel->bss->test_status, 2, "Test for ct status update ");
> +       /* expected status is IPS_CONFIRMED | IPS_SEEN_REPLY */
> +       ASSERT_EQ(skel->bss->test_status, 0xa, "Test for ct status update ");

Why do we use 0xa instead of IPS_CONFIRMED | IPS_SEEN_REPLY?
To avoid dependency on the header file?

Thanks,
Song



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