From nobody Mon Feb 9 14:37:44 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 8C3AB3B2BF for ; Wed, 21 Feb 2024 06:23:33 +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=1708496613; cv=none; b=nY4TGce55QKHJJhk33upEE/+PuTTUTed5PCLsOLyAvHReFcsxWUg+iktSf01/1J++cOZDQSl4XlK6tc1cCYuV2ColebQS/rMQxYHX1H41N+D/2WdU+xjdpgZ6TJI98Zl2OEtD3PsLi/9gY7OpKmbv7p/4WyH4DHs4hGtDgLHC9s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708496613; c=relaxed/simple; bh=y3ochS3Zfu6jL0PCfP+QOxAAxFUQIwZ0bvRbv30ZEyo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VwcmSVVdllp/IitjDN425u7wT1sxaj2hkZlquTladjW6bCO3K3fk9Fn1FKnXD8iP9SoWTTmyrHNQ1bn+UhjizINzpL1tPkg/nMPwbhGGHHducCSV4qXnVB5TyQfrTYFFdFJtkIajGwLcoSUnZnbcpSCa3zyj9UOiBszohuEHr/o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dHOVHm+G; 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="dHOVHm+G" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E962C43399; Wed, 21 Feb 2024 06:23:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708496613; bh=y3ochS3Zfu6jL0PCfP+QOxAAxFUQIwZ0bvRbv30ZEyo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dHOVHm+G3K8obTIAL7mK/NSrxn4lPavyTPM0Uc1+gohhSp3/8O0bptNwrLSeZN4b8 /IQM73lG94xTQ34zu75Oom69KJx48yjca790Wfbicuv9SEL9llwwox1f9L2aKvTO0l RRlG4JqY1LaUIakxyXCxPAiOlGmlNRNfw6C99whZ8FMyjSIX0NRLEhs26M4jWnIzx7 0kzvx3iBRllVJiE7spl8DhriEuEsGZSAfQ6P5qoyjlKSZ/37GmZImMwkEhnBn4Qv9t BUNcme7cdCSv3aTOqMPZxMBB8BRf8G3RoF75rdaOl05RAomurGv8DlsYCknYgD0Wzr bcXLD3gSYgpSQ== From: Geliang Tang To: mptcp@lists.linux.dev Cc: Geliang Tang Subject: [PATCH mptcp-next v2 2/3] selftests: mptcp: add mptcp_lib_ns_* helpers Date: Wed, 21 Feb 2024 14:23:23 +0800 Message-Id: <03fc2d2fb29db8bb2bf78ec6dc211b8388aca460.1708496523.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 | 28 ++++++------------- .../testing/selftests/net/mptcp/mptcp_join.sh | 15 ++-------- .../testing/selftests/net/mptcp/mptcp_lib.sh | 24 ++++++++++++++++ .../selftests/net/mptcp/mptcp_sockopt.sh | 16 ++++------- .../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, 55 insertions(+), 76 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/self= tests/net/mptcp/diag.sh index 60a7009ce1b5..162d7b90c3f5 100755 --- a/tools/testing/selftests/net/mptcp/diag.sh +++ b/tools/testing/selftests/net/mptcp/diag.sh @@ -3,9 +3,8 @@ =20 . "$(dirname "${0}")/mptcp_lib.sh" =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns=3D"ns1-$rndh" +ns=3D"" +mptcp_lib_ns_init ns ksft_skip=3D4 test_cnt=3D1 timeout_poll=3D30 @@ -30,7 +29,7 @@ cleanup() { ip netns pids "${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 +204,6 @@ wait_connected() } =20 trap cleanup EXIT -ip netns add $ns -ip -n $ns link set dev lo up =20 echo "a" | \ timeout ${timeout_test} \ diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/tes= ting/selftests/net/mptcp/mptcp_connect.sh index b609649311f6..f5afdd073696 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -121,12 +121,11 @@ while getopts "$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"" +mptcp_lib_ns_init ns1 ns2 ns3 ns4 =20 TEST_COUNT=3D0 TEST_GROUP=3D"" @@ -138,11 +137,7 @@ cleanup() rm -f "$sin" "$sout" rm -f "$capout" =20 - local netns - for netns in "$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 @@ -158,11 +153,6 @@ 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 $i link set lo up -done - # "$ns1" ns2 ns3 ns4 # ns1eth2 ns2eth1 ns2eth3 ns3eth2 ns3eth4 ns4eth3 # - drop 1% -> reorder 25% @@ -251,8 +241,8 @@ fi =20 check_mptcp_disabled() { - local disabled_ns=3D"ns_disabled-$rndh" - ip netns add ${disabled_ns} || exit $ksft_skip + local disabled_ns=3D"" + mptcp_lib_ns_init disabled_ns =20 # net.mptcp.enabled should be enabled by default if [ "$(ip netns exec ${disabled_ns} sysctl net.mptcp.enabled | awk '{ pr= int $3 }')" -ne 1 ]; then @@ -266,7 +256,7 @@ 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 [ ${err} -eq 0 ]; then echo -e "New MPTCP socket cannot be blocked via sysctl\t\t[ FAIL ]" diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index aedc5698f26a..a09b42d1ed37 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -86,17 +86,10 @@ init_partial() { capout=3D$(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 $netns sysctl -q net.ipv4.conf.all.rp_filter=3D0 @@ -145,11 +138,7 @@ cleanup_partial() { rm -f "$capout" =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..4be9247b5da3 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_lib.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_lib.sh @@ -373,3 +373,27 @@ mptcp_lib_check_output() { return 1 fi } + +mptcp_lib_ns_init() { + local sec + local rndh=3D"" + + 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" + rm -f /tmp/"$netns".{nstat,out} + done +} diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/tes= ting/selftests/net/mptcp/mptcp_sockopt.sh index fd7de1b3dc55..58bf83d4e7fa 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -14,11 +14,10 @@ timeout_test=3D$((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-$rndh" +ns1=3D"" +ns2=3D"" +ns_sbox=3D"" +mptcp_lib_ns_init ns1 ns2 ns_sbox =20 add_mark_rules() { @@ -42,8 +41,6 @@ init() { local netns for netns in "$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 $netns sysctl -q net.ipv4.conf.default.rp_filter=3D0 @@ -79,10 +76,7 @@ init() =20 cleanup() { - local netns - for netns in "$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..c117eea92b6a 100755 --- a/tools/testing/selftests/net/mptcp/pm_netlink.sh +++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh @@ -24,15 +24,14 @@ while getopts "$optstring" option;do esac done =20 -sec=3D$(date +%s) -rndh=3D$(printf %x $sec)-$(mktemp -u XXXXXX) -ns1=3D"ns1-$rndh" +ns1=3D"" +mptcp_lib_ns_init ns1 err=3D$(mktemp) =20 cleanup() { rm -f $err - ip netns del $ns1 + mptcp_lib_ns_exit "${ns1}" } =20 mptcp_lib_check_mptcp @@ -40,8 +39,6 @@ mptcp_lib_check_tools ip =20 trap cleanup EXIT =20 -ip netns add $ns1 || exit $ksft_skip -ip -net $ns1 link set lo up ip netns exec $ns1 sysctl -q net.mptcp.enabled=3D1 =20 check() diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/test= ing/selftests/net/mptcp/simult_flows.sh index 7d8388ecc966..67cddd40f211 100755 --- a/tools/testing/selftests/net/mptcp/simult_flows.sh +++ b/tools/testing/selftests/net/mptcp/simult_flows.sh @@ -3,11 +3,10 @@ =20 . "$(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-$rndh" +ns1=3D"" +ns2=3D"" +ns3=3D"" +mptcp_lib_ns_init ns1 ns2 ns3 capture=3Dfalse ksft_skip=3D4 timeout_poll=3D30 @@ -36,10 +35,7 @@ cleanup() rm -f "$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 @@ -66,8 +62,6 @@ setup() trap cleanup EXIT =20 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 $i sysctl -q net.ipv4.conf.default.rp_filter=3D0 done diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/test= ing/selftests/net/mptcp/userspace_pm.sh index 629fc5d0ecc5..10074709420a 100755 --- a/tools/testing/selftests/net/mptcp/userspace_pm.sh +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -50,10 +50,9 @@ app6_port=3D50004 client_addr_id=3D${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"" +mptcp_lib_ns_init ns1 ns2 ret=3D0 test_name=3D"" =20 @@ -118,10 +117,7 @@ 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 $server_evts =20 @@ -132,8 +128,6 @@ trap cleanup EXIT =20 # Create and configure network namespaces for testing for i in "$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