From nobody Mon Feb 9 21:40:22 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 53EA928EF for ; Thu, 22 Feb 2024 03:41:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708573264; cv=none; b=cG9LBesQMN0oD28NdLh5z0kndIsjH9b124J1SbCkwsqQi6yX1S2KuB3ZfBzTsVKMqdiSHMQlZWk1wYbshcKxU7m66Vxt8pGMr8Zp5HkDR5VxDjTqq10U1CtF+Ga39kwRO9D2zet7xin4UCNH9EXXqLBl6hf1b82uKXZiWyO+rJM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708573264; c=relaxed/simple; bh=3fjpydKHWSOu9XgmRtvP8HbM0nxEj7fOfu4BP8gpsyg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=kbYs+JN87oH96XYY3tTBj3lOBS2Y/qOwo0AEYd0Bimsmil/hJBErDHOyX4Xwjsz7H1RqgwE07J5gnCILSRD0jZDHwn1vjaZrK8WHIB2/uwRvlWK+KpMnKiTNj9qRZ8OPN7LecG+PYm+LSik5AiF9V0ZlqzUvhAQ0eaYmhMtWOn0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CTlLui/8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CTlLui/8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BE35C433C7; Thu, 22 Feb 2024 03:41:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708573264; bh=3fjpydKHWSOu9XgmRtvP8HbM0nxEj7fOfu4BP8gpsyg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CTlLui/8gXrsHiPLaWi3kh2vjn8OKq0enf/NxMRzr/dvd/Zg6Ku093xElHeiExmaN obVXnhIoNfSlJQMzntyyB7Zow+EKueqozef8UkCqIvyxRFeDlutMELezTFAbUYX8sO Zm4/F7eQ7NNOXIlaSEKK5XYwLhNvi+FxzqLLQsMKn1PMJkmGNuNSWgfL960Zt0EwFC mkvbKEgYnCllu+XhbdbNHj7HGts3LIhX0oaBmnr4vWLoibP/DeYL76Rb3Fdh+BbNil fsJOkA2Wotrcd2s9S23QzszJIGeBvCakKFN0mO9g0zocAHXUNkUCC97x3QNVAGSt0B FF5vaCRwb3Zmw== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v4 2/4] selftests: mptcp: add mptcp_lib_ns_init/exit helpers Date: Thu, 22 Feb 2024 11:40:34 +0800 Message-Id: <4518f97e63707f493123c76dd36d217a8eb42d35.1708572320.git.tanggeliang@kylinos.cn> X-Mailer: git-send-email 2.40.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Geliang Tang Add helpers mptcp_lib_ns_init() and mptcp_lib_ns_exit() in mptcp_lib.sh to initialize and delete the given namespaces. Then every test script can invoke these helpers and use all namespaces. Signed-off-by: Geliang Tang --- tools/testing/selftests/net/mptcp/diag.sh | 9 +++----- .../selftests/net/mptcp/mptcp_connect.sh | 23 ++++++++----------- .../testing/selftests/net/mptcp/mptcp_join.sh | 11 ++------- .../testing/selftests/net/mptcp/mptcp_lib.sh | 22 ++++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 17 +++++--------- .../testing/selftests/net/mptcp/pm_netlink.sh | 9 +++----- .../selftests/net/mptcp/simult_flows.sh | 16 ++++--------- .../selftests/net/mptcp/userspace_pm.sh | 14 ++++------- 8 files changed, 54 insertions(+), 67 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/self= tests/net/mptcp/diag.sh index 60a7009ce1b5..24cffd94baae 100755 --- a/tools/testing/selftests/net/mptcp/diag.sh +++ b/tools/testing/selftests/net/mptcp/diag.sh @@ -3,9 +3,7 @@ =20 . "$(dirname "${0}")/mptcp_lib.sh" =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns=3D"ns1-$rndh" +ns=3D"" ksft_skip=3D4 test_cnt=3D1 timeout_poll=3D30 @@ -30,7 +28,7 @@ cleanup() { ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGKILL &>/dev/null =20 - ip netns del $ns + mptcp_lib_ns_exit "${ns}" } =20 mptcp_lib_check_mptcp @@ -205,8 +203,7 @@ wait_connected() } =20 trap cleanup EXIT -ip netns add $ns -ip -n $ns link set dev lo up +mptcp_lib_ns_init ns =20 echo "a" | \ timeout ${timeout_test} \ diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/tes= ting/selftests/net/mptcp/mptcp_connect.sh index b609649311f6..92f6260ba9f3 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -121,12 +121,10 @@ while getopts "$optstring" option;do esac done =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns1=3D"ns1-$rndh" -ns2=3D"ns2-$rndh" -ns3=3D"ns3-$rndh" -ns4=3D"ns4-$rndh" +ns1=3D"" +ns2=3D"" +ns3=3D"" +ns4=3D"" =20 TEST_COUNT=3D0 TEST_GROUP=3D"" @@ -140,9 +138,9 @@ cleanup() =20 local netns for netns in "$ns1" "$ns2" "$ns3" "$ns4";do - ip netns del $netns rm -f /tmp/$netns.{nstat,out} done + mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns3}" "${ns4}" } =20 mptcp_lib_check_mptcp @@ -158,10 +156,7 @@ cin_disconnect=3D"$cin".disconnect cout_disconnect=3D"$cout".disconnect trap cleanup EXIT =20 -for i in "$ns1" "$ns2" "$ns3" "$ns4";do - ip netns add $i || exit $ksft_skip - ip -net $i link set lo up -done +mptcp_lib_ns_init ns1 ns2 ns3 ns4 =20 # "$ns1" ns2 ns3 ns4 # ns1eth2 ns2eth1 ns2eth3 ns3eth2 ns3eth4 ns4eth3 @@ -251,8 +246,8 @@ fi =20 check_mptcp_disabled() { - local disabled_ns=3D"ns_disabled-$rndh" - ip netns add ${disabled_ns} || exit $ksft_skip + local disabled_ns + mptcp_lib_ns_init disabled_ns =20 # net.mptcp.enabled should be enabled by default if [ "$(ip netns exec ${disabled_ns} sysctl net.mptcp.enabled | awk '{ pr= int $3 }')" -ne 1 ]; then @@ -266,7 +261,7 @@ check_mptcp_disabled() local err=3D0 LC_ALL=3DC ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP= 127.0.0.1 < "$cin" 2>&1 | \ grep -q "^socket: Protocol not available$" && err=3D1 - ip netns delete ${disabled_ns} + mptcp_lib_ns_exit "${disabled_ns}" =20 if [ ${err} -eq 0 ]; then echo -e "New MPTCP socket cannot be blocked via sysctl\t\t[ FAIL ]" diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index aedc5698f26a..612470244c58 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -86,17 +86,10 @@ init_partial() { capout=3D$(mktemp) =20 - local sec rndh - sec=3D$(date +%s) - rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) - - ns1=3D"ns1-$rndh" - ns2=3D"ns2-$rndh" + mptcp_lib_ns_init ns1 ns2 =20 local netns for netns in "$ns1" "$ns2"; do - ip netns add $netns || exit $ksft_skip - ip -net $netns link set lo up ip netns exec $netns sysctl -q net.mptcp.enabled=3D1 ip netns exec $netns sysctl -q net.mptcp.pm_type=3D0 2>/dev/null || true ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=3D0 @@ -147,9 +140,9 @@ cleanup_partial() =20 local netns for netns in "$ns1" "$ns2"; do - ip netns del $netns rm -f /tmp/$netns.{nstat,out} done + mptcp_lib_ns_exit "${ns1}" "${ns2}" } =20 init() { diff --git a/tools/testing/selftests/net/mptcp/mptcp_lib.sh b/tools/testing= /selftests/net/mptcp/mptcp_lib.sh index 556a7d9784d7..fcb3afb4d51f 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh @@ -373,3 +373,25 @@ mptcp_lib_check_output() { return 1 fi } + +mptcp_lib_ns_init() { + local sec rndh + + sec=3D$(date +%s) + rndh=3D$(printf %x "$sec")-$(mktemp -u XXXXXX) + + local netns + for netns in "${@}"; do + eval "${netns}=3D${netns}-${rndh}" + + ip netns add "${!netns}" || exit ${KSFT_SKIP} + ip -net "${!netns}" link set lo up + done +} + +mptcp_lib_ns_exit() { + local netns + for netns in "${@}"; do + ip netns del "$netns" + done +} diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/tes= ting/selftests/net/mptcp/mptcp_sockopt.sh index fd7de1b3dc55..5fa5fa8cab71 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -14,11 +14,9 @@ timeout_test=3D$((timeout_poll * 2 + 1)) iptables=3D"iptables" ip6tables=3D"ip6tables" =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns1=3D"ns1-$rndh" -ns2=3D"ns2-$rndh" -ns_sbox=3D"ns_sbox-$rndh" +ns1=3D"" +ns2=3D"" +ns_sbox=3D"" =20 add_mark_rules() { @@ -40,10 +38,10 @@ add_mark_rules() =20 init() { + mptcp_lib_ns_init ns1 ns2 ns_sbox + local netns for netns in "$ns1" "$ns2" "$ns_sbox";do - ip netns add $netns || exit $ksft_skip - ip -net $netns link set lo up ip netns exec $netns sysctl -q net.mptcp.enabled=3D1 ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=3D0 ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=3D0 @@ -79,10 +77,7 @@ init() =20 cleanup() { - local netns - for netns in "$ns1" "$ns2" "$ns_sbox"; do - ip netns del $netns - done + mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns_sbox}" rm -f "$cin" "$cout" rm -f "$sin" "$sout" } diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testin= g/selftests/net/mptcp/pm_netlink.sh index 1ec9d8622fc9..30ec0ec3d68f 100755 --- a/tools/testing/selftests/net/mptcp/pm_netlink.sh +++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh @@ -24,15 +24,13 @@ while getopts "$optstring" option;do esac done =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns1=3D"ns1-$rndh" +ns1=3D"" err=3D$(mktemp) =20 cleanup() { rm -f $err - ip netns del $ns1 + mptcp_lib_ns_exit "${ns1}" } =20 mptcp_lib_check_mptcp @@ -40,8 +38,7 @@ mptcp_lib_check_tools ip =20 trap cleanup EXIT =20 -ip netns add $ns1 || exit $ksft_skip -ip -net $ns1 link set lo up +mptcp_lib_ns_init ns1 ip netns exec $ns1 sysctl -q net.mptcp.enabled=3D1 =20 check() diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/test= ing/selftests/net/mptcp/simult_flows.sh index 8a4520f29601..c5128d690c46 100755 --- a/tools/testing/selftests/net/mptcp/simult_flows.sh +++ b/tools/testing/selftests/net/mptcp/simult_flows.sh @@ -3,11 +3,9 @@ =20 . "$(dirname "${0}")/mptcp_lib.sh" =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns1=3D"ns1-$rndh" -ns2=3D"ns2-$rndh" -ns3=3D"ns3-$rndh" +ns1=3D"" +ns2=3D"" +ns3=3D"" capture=3Dfalse ksft_skip=3D4 timeout_poll=3D30 @@ -36,10 +34,7 @@ cleanup() rm -f "$large" "$small" rm -f "$capout" =20 - local netns - for netns in "$ns1" "$ns2" "$ns3";do - ip netns del $netns - done + mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns3}" } =20 mptcp_lib_check_mptcp @@ -65,9 +60,8 @@ setup() =20 trap cleanup EXIT =20 + mptcp_lib_ns_init ns1 ns2 ns3 for i in "$ns1" "$ns2" "$ns3";do - ip netns add $i || exit $ksft_skip - ip -net $i link set lo up ip netns exec $i sysctl -q net.ipv4.conf.all.rp_filter=3D0 ip netns exec $i sysctl -q net.ipv4.conf.default.rp_filter=3D0 done diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/test= ing/selftests/net/mptcp/userspace_pm.sh index 629fc5d0ecc5..e3092696d2de 100755 --- a/tools/testing/selftests/net/mptcp/userspace_pm.sh +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -50,10 +50,8 @@ app6_port=3D50004 client_addr_id=3D${RANDOM:0:2} server_addr_id=3D${RANDOM:0:2} =20 -sec=3D$(date +%s) -rndh=3D$(printf %x "$sec")-$(mktemp -u XXXXXX) -ns1=3D"ns1-$rndh" -ns2=3D"ns2-$rndh" +ns1=3D"" +ns2=3D"" ret=3D0 test_name=3D"" =20 @@ -118,10 +116,7 @@ cleanup() mptcp_lib_kill_wait $pid done =20 - local netns - for netns in "$ns1" "$ns2" ;do - ip netns del "$netns" - done + mptcp_lib_ns_exit "${ns1}" "${ns2}" =20 rm -rf $file $client_evts $server_evts =20 @@ -131,9 +126,8 @@ cleanup() trap cleanup EXIT =20 # Create and configure network namespaces for testing +mptcp_lib_ns_init ns1 ns2 for i in "$ns1" "$ns2" ;do - ip netns add "$i" || exit 1 - ip -net "$i" link set lo up ip netns exec "$i" sysctl -q net.mptcp.enabled=3D1 ip netns exec "$i" sysctl -q net.mptcp.pm_type=3D1 done --=20 2.40.1