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selftests: mptcp: add MP_FAIL reset testcase

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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.

Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geliang Tang 2022-05-18 15:04:46 -07:00 committed by Jakub Kicinski
parent d9fb797046
commit 2ba18161d4
1 changed files with 10 additions and 0 deletions
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10
tools/testing/selftests/net/mptcp/mptcp_join.sh
View file

@ -2732,6 +2732,16 @@ 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 1mbit delay 5
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
}
userspace_tests()