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[144.76.156.219]) by smtp.gmail.com with ESMTPSA id u9-20020a5d4349000000b003079c402762sm7431145wrr.19.2023.06.10.09.11.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 10 Jun 2023 09:11:47 -0700 (PDT) From: Matthieu Baerts Date: Sat, 10 Jun 2023 18:11:37 +0200 Subject: [PATCH net 02/17] selftests: mptcp: join: use 'iptables-legacy' if available MIME-Version: 1.0 Message-Id: <20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-2-2896fe2ee8a3@tessares.net> References: <20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-0-2896fe2ee8a3@tessares.net> In-Reply-To: <20230609-upstream-net-20230610-mptcp-selftests-support-old-kernels-part-3-v1-0-2896fe2ee8a3@tessares.net> To: mptcp@lists.linux.dev, Mat Martineau , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shuah Khan , Florian Westphal , Davide Caratti , Christoph Paasch , Geliang Tang , Geliang Tang Cc: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, Matthieu Baerts , stable@vger.kernel.org X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2321; i=matthieu.baerts@tessares.net; h=from:subject:message-id; bh=wr7uItaSFcLXiJMNJDpVgU2oEvlx/b3Yp6m2pXKEEpE=; b=owEBbQKS/ZANAwAIAfa3gk9CaaBzAcsmYgBkhKC9aTW95InrthBqcIPHSuBLNcpNZ7TqyAQA0 ETRNnDMvYeJAjMEAAEIAB0WIQToy4X3aHcFem4n93r2t4JPQmmgcwUCZISgvQAKCRD2t4JPQmmg c/SSD/9UORMMaxpWLt/pxXtiA9DlaDIFzYtk8pipZ/BGT6ptcIQbpLNO5hQWR8DAcJ7665T1TwN eBNmu+3XDxWejPA34P6eZPs9iYyBI0KlRaZfc2LWHB3eQRSH2inb6NUaaAFnX6d66uTSvag4jQx o9o3CnhsaVl4MyaG+N/nURU3bsAVF+25ecXbFPB7+FScgY+tKWOL1FvU3SI5uNPP7uWocxCLWz9 RzlkKB8kuwny/7wnBWdNUdJef8LIHK6wjwYMst7z0pWSjRkMJVCWNY2Q7v7vLvHmDHuqYYUfBhB rh41xelDYVlLcrFW3FWWQCgsp5dpqpDrMcu+KN85lnDs5i2r81tyNJztfWOPj6CxW7Yz0eMqcGA 5pfF4v8g1P+XtnfhTpRt8jdW9jE9pD+PBGrvuw27jvd+0mq9HqFu94AOIy3GIPo33YB75oFwfYx EttzhFJZQjnbuSZxEUdGJM/dN4Eag3dGTKd6J7H+RppqK2FzrAnkc7tfDcuppt4yVndYt3VX1F7 oT6wkDCspTT62qecxzXveuS/zjcX4Wj9MXMStxxNg1UXilcAatYGcXz/qEgTwdsiEg1Th3oPotT 4lNt4L/a474v3SQgOsJKPPBBeEzTVFTjl45G/yeGBTcbITOSnkwrvfkUMXItAsE2u9/JQb03XJZ OuNgx2e4y2tR5rw== X-Developer-Key: i=matthieu.baerts@tessares.net; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org IPTables commands using 'iptables-nft' fail on old kernels, at least 5.15 because it doesn't see the default IPTables chains: $ iptables -L iptables/1.8.2 Failed to initialize nft: Protocol not supported As a first step before switching to NFTables, we can use iptables-legacy if available. Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368 Fixes: 8d014eaa9254 ("selftests: mptcp: add ADD_ADDR timeout test case") Cc: stable@vger.kernel.org Signed-off-by: Matthieu Baerts --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 29f0c99d9a46..74cc8a74a9d6 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -25,6 +25,8 @@ capout="" ns1="" ns2="" ksft_skip=4 +iptables="iptables" +ip6tables="ip6tables" timeout_poll=30 timeout_test=$((timeout_poll * 2 + 1)) capture=0 @@ -146,7 +148,11 @@ check_tools() exit $ksft_skip fi - if ! iptables -V &> /dev/null; then + # Use the legacy version if available to support old kernel versions + if iptables-legacy -V &> /dev/null; then + iptables="iptables-legacy" + ip6tables="ip6tables-legacy" + elif ! iptables -V &> /dev/null; then echo "SKIP: Could not run all tests without iptables tool" exit $ksft_skip fi @@ -247,9 +253,9 @@ reset_with_add_addr_timeout() reset "${1}" || return 1 - tables="iptables" + tables="${iptables}" if [ $ip -eq 6 ]; then - tables="ip6tables" + tables="${ip6tables}" fi ip netns exec $ns1 sysctl -q net.mptcp.add_addr_timeout=1 @@ -314,9 +320,9 @@ reset_with_fail() local ip="${3:-4}" local tables - tables="iptables" + tables="${iptables}" if [ $ip -eq 6 ]; then - tables="ip6tables" + tables="${ip6tables}" fi ip netns exec $ns2 $tables \ @@ -704,7 +710,7 @@ filter_tcp_from() local src="${2}" local target="${3}" - ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}" + ip netns exec "${ns}" ${iptables} -A INPUT -s "${src}" -p tcp -j "${target}" } do_transfer()