[PATCH bpf-next v5 6/9] bpf: selftests: test_tunnel: Setup fresh topology for each subtest

From: Daniel Xu
Date: Mon Dec 11 2023 - 15:21:12 EST


This helps with determinism b/c individual setup/teardown prevents
leaking state between different subtests.

Signed-off-by: Daniel Xu <dxu@xxxxxxxxx>
---
tools/testing/selftests/bpf/prog_tests/test_tunnel.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
index d149ab98798d..b57d48219d0b 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_tunnel.c
@@ -535,23 +535,20 @@ static void test_ipip_tunnel(enum ipip_encap encap)
#define RUN_TEST(name, ...) \
({ \
if (test__start_subtest(#name)) { \
+ config_device(); \
test_ ## name(__VA_ARGS__); \
+ cleanup(); \
} \
})

static void *test_tunnel_run_tests(void *arg)
{
- cleanup();
- config_device();
-
RUN_TEST(vxlan_tunnel);
RUN_TEST(ip6vxlan_tunnel);
RUN_TEST(ipip_tunnel, NONE);
RUN_TEST(ipip_tunnel, FOU);
RUN_TEST(ipip_tunnel, GUE);

- cleanup();
-
return NULL;
}

--
2.42.1