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charset="utf-8" Add the multiple subflows test case for MP_FAIL, to test the MP_FAIL reset case. Use the test_linkfail value to make 1024KB test files. Invoke reset_with_fail() to use 'iptables' and 'tc action pedit' rules to produce the bit flips to trigger the checksum failures on ns2eth2. Add delays on ns2eth1 to make sure more data can translate on ns2eth2. The check_invert flag is enabled in reset_with_fail(), so this test prints out the inverted bytes, instead of the file mismatch errors. Invoke pedit_action_pkts() to get the numbers of the packets edited by the tc pedit actions, and print this numbers to the output. Signed-off-by: Geliang Tang --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testin= g/selftests/net/mptcp/mptcp_join.sh index c7a26c40663f..14fd24459a5d 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -2704,6 +2704,16 @@ fail_tests() chk_join_nr 0 0 0 +1 +0 1 0 1 "$(pedit_action_pkts)" chk_fail_nr 1 -1 invert fi + + # multiple subflows + if reset_with_fail "MP_FAIL MP_RST" 2; then + tc -n $ns2 qdisc add dev ns2eth1 root netem rate 20mbit delay 1 + pm_nl_set_limits $ns1 0 1 + pm_nl_set_limits $ns2 0 1 + pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow + run_tests $ns1 $ns2 10.0.1.1 1024 + chk_join_nr 1 1 1 +1 +0 1 1 0 "$(pedit_action_pkts)" + fi } =20 userspace_tests() --=20 2.34.1