From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: "Matthieu Baerts (NGI0)" <matttbe@kernel.org>
Cc: MPTCP Upstream <mptcp@lists.linux.dev>,
Mat Martineau <martineau@kernel.org>,
Geliang Tang <geliang@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Mykola Lysenko <mykolal@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Network Development <netdev@vger.kernel.org>,
bpf <bpf@vger.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>,
Geliang Tang <tanggeliang@kylinos.cn>
Subject: Re: [PATCH bpf-next 1/4] selftests/bpf: Handle SIGINT when creating netns
Date: Tue, 7 May 2024 07:43:39 -0700 [thread overview]
Message-ID: <CAADnVQKWCVfUhQnoYBoEZaZbfiX8MROcj7Ct-nB4-axhZqMecw@mail.gmail.com> (raw)
In-Reply-To: <20240507-upstream-bpf-next-20240506-mptcp-subflow-test-v1-1-e2bcbdf49857@kernel.org>
On Tue, May 7, 2024 at 3:53 AM Matthieu Baerts (NGI0)
<matttbe@kernel.org> wrote:
>
> From: Geliang Tang <tanggeliang@kylinos.cn>
>
> It's necessary to delete netns during the MPTCP bpf tests interrupt,
> otherwise the next tests run will fail due to unable to create netns.
>
> This patch adds a new SIGINT handle sig_int, and deletes NS_TEST in it.
>
> Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
> Reviewed-by: Mat Martineau <martineau@kernel.org>
> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
> ---
> tools/testing/selftests/bpf/prog_tests/mptcp.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/tools/testing/selftests/bpf/prog_tests/mptcp.c b/tools/testing/selftests/bpf/prog_tests/mptcp.c
> index 274d2e033e39..baf976a7a1dd 100644
> --- a/tools/testing/selftests/bpf/prog_tests/mptcp.c
> +++ b/tools/testing/selftests/bpf/prog_tests/mptcp.c
> @@ -64,11 +64,18 @@ struct mptcp_storage {
> char ca_name[TCP_CA_NAME_MAX];
> };
>
> +static void sig_int(int sig)
> +{
> + signal(sig, SIG_IGN);
> + SYS_NOFAIL("ip netns del %s", NS_TEST);
> +}
> +
> static struct nstoken *create_netns(void)
> {
> SYS(fail, "ip netns add %s", NS_TEST);
> SYS(fail, "ip -net %s link set dev lo up", NS_TEST);
>
> + signal(SIGINT, sig_int);
> return open_netns(NS_TEST);
That's a drop in the bucket.
ctrl-c of test_progs doesn't really work.
Such clean up needs to be generic as part of network_helpers.c
next prev parent reply other threads:[~2024-05-07 14:43 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-07 10:53 [PATCH bpf-next 0/4] selftests/bpf: new MPTCP subflow subtest & improvements Matthieu Baerts (NGI0)
2024-05-07 10:53 ` [PATCH bpf-next 1/4] selftests/bpf: Handle SIGINT when creating netns Matthieu Baerts (NGI0)
2024-05-07 14:43 ` Alexei Starovoitov [this message]
2024-05-07 15:59 ` Matthieu Baerts
2024-05-07 10:53 ` [PATCH bpf-next 2/4] selftests/bpf: Add RUN_MPTCP_TEST macro Matthieu Baerts (NGI0)
2024-05-07 14:44 ` Alexei Starovoitov
2024-05-07 16:02 ` Matthieu Baerts
2024-05-07 20:51 ` Alexei Starovoitov
2024-05-08 7:36 ` Matthieu Baerts
2024-05-11 1:42 ` Geliang Tang
2024-05-07 10:53 ` [PATCH bpf-next 3/4] selftests/bpf: Add mptcp subflow example Matthieu Baerts (NGI0)
2024-05-07 14:49 ` Alexei Starovoitov
2024-05-07 16:03 ` Matthieu Baerts
2024-05-07 20:54 ` Alexei Starovoitov
2024-05-08 7:36 ` Matthieu Baerts
2024-05-08 14:32 ` Alexei Starovoitov
2024-05-07 10:53 ` [PATCH bpf-next 4/4] selftests/bpf: Add mptcp subflow subtest Matthieu Baerts (NGI0)
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