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

[PATCH mptcp-net v2 21/37] selftests: mptcp: userspace pm: skip if not supported

Matthieu Baerts posted 37 patches 1 year, 3 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 21/37] selftests: mptcp: userspace pm: skip if not supported

Posted by Matthieu Baerts 1 year, 3 months ago

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

One of them is the MPTCP Userspace PM introduced by commit 4638de5aefe5
("mptcp: handle local addrs announced by userspace PMs").

We can skip all these tests if the feature is not supported simply by
looking for the MPTCP pm_type's sysctl knob.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 259a834fadda ("selftests: mptcp: functional tests for the userspace PM type")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 tools/testing/selftests/net/mptcp/userspace_pm.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh
index 192ab818f292..38a1d34f7b4d 100755
--- a/tools/testing/selftests/net/mptcp/userspace_pm.sh
+++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh
@@ -5,6 +5,11 @@
 
 mptcp_lib_check_mptcp
 
+if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
+	echo "userspace pm tests are not supported by the kernel: SKIP"
+	exit ${KSFT_SKIP}
+fi
+
 ip -Version > /dev/null 2>&1
 if [ $? -ne 0 ];then
 	echo "SKIP: Cannot not run test without ip tool"

-- 
2.39.2