[v2] selftests: mptcp: skip tests when features are not supported

[PATCH mptcp-net v2 36/37] selftests: mptcp: join: skip PM listener tests if not supported

Matthieu Baerts posted 37 patches 1 year, 4 months ago

Diff against v1 v3
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Maintainers: Matthieu Baerts <matthieu.baerts@tessares.net>, Mat Martineau <martineau@kernel.org>, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>, Florian Westphal <fw@strlen.de>, Christoph Paasch <cpaasch@apple.com>, Davide Caratti <dcaratti@redhat.com>, Kishen Maloor <kishen.maloor@intel.com>, Dmytro Shytyi <dmytro@shytyi.net>, Menglong Dong <imagedong@tencent.com>, Geliang Tang <geliang.tang@suse.com>

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[PATCH mptcp-net v2 36/37] selftests: mptcp: join: skip PM listener tests if not supported

Posted by Matthieu Baerts 1 year, 4 months ago

Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.

One of them is the support of PM listener events introduced by commit
f8c9dfbd875b ("mptcp: add pm listener events").

It is possible to look for "mptcp_event_pm_listener" in kallsyms to know
in advance if the kernel supports this feature.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 178d023208eb ("selftests: mptcp: listener test for in-kernel PM")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index dd8633e98185..48d0b7993194 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -2832,6 +2832,11 @@ verify_listener_events()
 			$e_saddr $e_sport
 	fi
 
+	if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
+		printf "[skip]: event not supported\n"
+		return
+	fi
+
 	type=$(grep "type:$e_type," $evt |
 	       sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q')
 	family=$(grep "type:$e_type," $evt |

-- 
2.39.2