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From: Yucong Sun <fallentree@fb.com>
To: <bpf@vger.kernel.org>
Cc: <andrii@kernel.org>, Yucong Sun <sunyucong@gmail.com>
Subject: [PATCH bpf-next 4/4] selftests/bpf: adding a namespace reset for tc_redirect
Date: Mon, 25 Oct 2021 15:33:45 -0700	[thread overview]
Message-ID: <20211025223345.2136168-5-fallentree@fb.com> (raw)
In-Reply-To: <20211025223345.2136168-1-fallentree@fb.com>

From: Yucong Sun <sunyucong@gmail.com>

This patch delete ns_src/ns_dst/ns_redir namespaces before recreating
them, making the test more robust.

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
---
 .../testing/selftests/bpf/prog_tests/tc_redirect.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
index 53672634bc52..4b18b73df10b 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
@@ -176,6 +176,18 @@ static int netns_setup_namespaces(const char *verb)
 	return 0;
 }
 
+static void netns_setup_namespaces_nofail(const char *verb)
+{
+	const char * const *ns = namespaces;
+	char cmd[128];
+
+	while (*ns) {
+		snprintf(cmd, sizeof(cmd), "ip netns %s %s > /dev/null 2>&1", verb, *ns);
+		system(cmd);
+		ns++;
+	}
+}
+
 struct netns_setup_result {
 	int ifindex_veth_src_fwd;
 	int ifindex_veth_dst_fwd;
@@ -762,6 +774,8 @@ static void test_tc_redirect_peer_l3(struct netns_setup_result *setup_result)
 
 static void *test_tc_redirect_run_tests(void *arg)
 {
+	netns_setup_namespaces_nofail("delete");
+
 	RUN_TEST(tc_redirect_peer);
 	RUN_TEST(tc_redirect_peer_l3);
 	RUN_TEST(tc_redirect_neigh);
-- 
2.30.2


  parent reply	other threads:[~2021-10-25 22:34 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-25 22:33 [PATCH bpf-next 0/4] selftests/bpf: parallel mode improvement Yucong Sun
2021-10-25 22:33 ` [PATCH bpf-next 1/4] selfetests/bpf: Update vmtest.sh defaults Yucong Sun
2021-10-25 22:33 ` [PATCH bpf-next 2/4] selftests/bpf: print subtest status line Yucong Sun
2021-10-26  4:09   ` Andrii Nakryiko
2021-10-26 17:24     ` sunyucong
2021-10-27 16:46       ` Andrii Nakryiko
2021-10-25 22:33 ` [PATCH bpf-next 3/4] selftests/bpf: fix attach_probe in parallel mode Yucong Sun
2021-10-26  4:11   ` Andrii Nakryiko
2021-10-25 22:33 ` Yucong Sun [this message]
2021-10-27 19:18 ` [PATCH bpf-next 0/4] selftests/bpf: parallel mode improvement Andrii Nakryiko

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