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selftests: mptcp: add subflow limits test-cases 

Add and delete a bunch of endpoints and verify the
respect of configured limits.

This covers the codepath introduced by the previous patch.

Fixes: 69c6ce7b6e ("selftests: mptcp: add implicit endpoint test case")
Signed-off-by: Paolo Abeni <pabeni@redhat.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:
Paolo Abeni 2022-05-12 16:26:42 -07:00 committed by Jakub Kicinski
parent 95d6865178
commit e274f71540
1 changed files with 46 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
tools/testing/selftests/net/mptcp/mptcp_join.sh
View File

@ -1444,6 +1444,33 @@ chk_prio_nr()
[ "${dump_stats}" = 1 ] && dump_stats
}
chk_subflow_nr()
{
local need_title="$1"
local msg="$2"
local subflow_nr=$3
local cnt1
local cnt2
if [ -n "${need_title}" ]; then
printf "%03u %-36s %s" "${TEST_COUNT}" "${TEST_NAME}" "${msg}"
else
printf "%-${nr_blank}s %s" " " "${msg}"
fi
cnt1=$(ss -N $ns1 -tOni | grep -c token)
cnt2=$(ss -N $ns2 -tOni | grep -c token)
if [ "$cnt1" != "$subflow_nr" -o "$cnt2" != "$subflow_nr" ]; then
echo "[fail] got $cnt1:$cnt2 subflows expected $subflow_nr"
fail_test
dump_stats=1
else
echo "[ ok ]"
fi
[ "${dump_stats}" = 1 ] && ( ss -N $ns1 -tOni ; ss -N $ns1 -tOni | grep token; ip -n $ns1 mptcp endpoint )
}
chk_link_usage()
{
local ns=$1
@ -2556,7 +2583,7 @@ fastclose_tests()
fi
}
implicit_tests()
endpoint_tests()
{
# userspace pm type prevents add_addr
if reset "implicit EP"; then
@ -2578,6 +2605,23 @@ implicit_tests()
$ns2 10.0.2.2 id 1 flags signal
wait
fi
if reset "delete and re-add"; then
pm_nl_set_limits $ns1 1 1
pm_nl_set_limits $ns2 1 1
pm_nl_add_endpoint $ns2 10.0.2.2 id 2 dev ns2eth2 flags subflow
run_tests $ns1 $ns2 10.0.1.1 4 0 0 slow &
wait_mpj $ns2
pm_nl_del_endpoint $ns2 2 10.0.2.2
sleep 0.5
chk_subflow_nr needtitle "after delete" 1
pm_nl_add_endpoint $ns2 10.0.2.2 dev ns2eth2 flags subflow
wait_mpj $ns2
chk_subflow_nr "" "after re-add" 2
wait
fi
}
# [$1: error message]
@ -2624,7 +2668,7 @@ all_tests_sorted=(
d@deny_join_id0_tests
m@fullmesh_tests
z@fastclose_tests
I@implicit_tests
I@endpoint_tests
)
all_tests_args=""