From 3469d72f135afa38599e3e0262be10108e1413dd Mon Sep 17 00:00:00 2001 From: Matthieu Baerts Date: Wed, 9 Mar 2022 11:16:33 -0800 Subject: [PATCH] selftests: mptcp: join: helper to filter TCP This is more readable and reduces duplicated commands. This might also be useful to add v6 support and switch to nftables. Signed-off-by: Matthieu Baerts Signed-off-by: Mat Martineau Signed-off-by: Jakub Kicinski --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index d3038922a0d2..5223f2a752b9 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -561,6 +561,15 @@ pm_nl_check_endpoint() fi } +filter_tcp_from() +{ + local ns="${1}" + local src="${2}" + local target="${3}" + + ip netns exec "${ns}" iptables -A INPUT -s "${src}" -p tcp -j "${target}" +} + do_transfer() { listener_ns="$1" @@ -1519,7 +1528,7 @@ subflows_error_tests() pm_nl_set_limits $ns2 0 2 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow - ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT + filter_tcp_from $ns1 10.0.3.2 REJECT run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow chk_join_nr 1 1 1 fi @@ -1530,7 +1539,7 @@ subflows_error_tests() pm_nl_set_limits $ns2 0 2 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow - ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j DROP + filter_tcp_from $ns1 10.0.3.2 DROP run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow chk_join_nr 1 1 1 fi @@ -1542,7 +1551,7 @@ subflows_error_tests() pm_nl_set_limits $ns1 0 1 pm_nl_set_limits $ns2 0 1 pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow - ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT + filter_tcp_from $ns1 10.0.3.2 REJECT run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow & # mpj subflow will be in TW after the reset -- 2.11.0