selftests: mptcp: Add tests for userspace PM type

These tests ensure that the in-kernel path manager is bypassed when
the userspace path manager is configured. Kernel code is still
responsible for ADD_ADDR echo, so also make sure that's working.

Tested-by: Geliang Tang <geliang.tang@suse.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Co-developed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Mat Martineau 2022-04-27 15:50:02 -07:00 committed by Jakub Kicinski
parent 6bb63ccc25
commit 5ac1d2d634

View File

@ -70,6 +70,7 @@ init_partial()
ip netns add $netns || exit $ksft_skip
ip -net $netns link set lo up
ip netns exec $netns sysctl -q net.mptcp.enabled=1
ip netns exec $netns sysctl -q net.mptcp.pm_type=0
ip netns exec $netns sysctl -q net.ipv4.conf.all.rp_filter=0
ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0
if [ $checksum -eq 1 ]; then
@ -1611,6 +1612,13 @@ wait_attempt_fail()
return 1
}
set_userspace_pm()
{
local ns=$1
ip netns exec $ns sysctl -q net.mptcp.pm_type=1
}
subflows_tests()
{
if reset "no JOIN"; then
@ -2698,6 +2706,63 @@ fail_tests()
fi
}
userspace_tests()
{
# userspace pm type prevents add_addr
if reset "userspace pm type prevents add_addr"; then
set_userspace_pm $ns1
pm_nl_set_limits $ns1 0 2
pm_nl_set_limits $ns2 0 2
pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 0 0 0
chk_add_nr 0 0
fi
# userspace pm type rejects join
if reset "userspace pm type rejects join"; then
set_userspace_pm $ns1
pm_nl_set_limits $ns1 1 1
pm_nl_set_limits $ns2 1 1
pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 1 1 0
fi
# userspace pm type does not send join
if reset "userspace pm type does not send join"; then
set_userspace_pm $ns2
pm_nl_set_limits $ns1 1 1
pm_nl_set_limits $ns2 1 1
pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 0 0 0
fi
# userspace pm type prevents mp_prio
if reset "userspace pm type prevents mp_prio"; then
set_userspace_pm $ns1
pm_nl_set_limits $ns1 1 1
pm_nl_set_limits $ns2 1 1
pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
chk_join_nr 1 1 0
chk_prio_nr 0 0
fi
# userspace pm type prevents rm_addr
if reset "userspace pm type prevents rm_addr"; then
set_userspace_pm $ns1
set_userspace_pm $ns2
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
run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
chk_join_nr 0 0 0
chk_rm_nr 0 0
fi
}
implicit_tests()
{
# userspace pm type prevents add_addr
@ -2767,6 +2832,7 @@ all_tests_sorted=(
m@fullmesh_tests
z@fastclose_tests
F@fail_tests
u@userspace_tests
I@implicit_tests
)