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From:   Matthieu Baerts <matthieu.baerts@tessares.net>
Date:   Sun, 28 May 2023 19:35:29 +0200
Subject: [PATCH net 4/8] selftests: mptcp: join: skip if MPTCP is not
 supported
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Message-Id: <20230528-upstream-net-20230528-mptcp-selftests-support-old-kernels-part-1-v1-4-a32d85577fc6@tessares.net>
References: <20230528-upstream-net-20230528-mptcp-selftests-support-old-kernels-part-1-v1-0-a32d85577fc6@tessares.net>
In-Reply-To: <20230528-upstream-net-20230528-mptcp-selftests-support-old-kernels-part-1-v1-0-a32d85577fc6@tessares.net>
To:     mptcp@lists.linux.dev, 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>,
        Christoph Paasch <cpaasch@apple.com>,
        Florian Westphal <fw@strlen.de>,
        Davide Caratti <dcaratti@redhat.com>,
        Kishen Maloor <kishen.maloor@intel.com>
Cc:     netdev@vger.kernel.org, linux-kselftest@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Matthieu Baerts <matthieu.baerts@tessares.net>,
        stable@vger.kernel.org
Precedence: bulk

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

A new check is then added to make sure MPTCP is supported. If not, the
test stops and is marked as "skipped".

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: b08fbf241064 ("selftests: add test-cases for MPTCP MP_JOIN")
Cc: stable@vger.kernel.org
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 4f3fe45f8f71..96f63172b8fe 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -10,6 +10,8 @@
 # because it's invoked by variable name, see how the "tests" array is used
 #shellcheck disable=SC2317
 
+. "$(dirname "${0}")/mptcp_lib.sh"
+
 ret=0
 sin=""
 sinfail=""
@@ -137,6 +139,8 @@ cleanup_partial()
 
 check_tools()
 {
+	mptcp_lib_check_mptcp
+
 	if ! ip -Version &> /dev/null; then
 		echo "SKIP: Could not run test without ip tool"
 		exit $ksft_skip

-- 
2.39.2