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selftests: mptcp: pm nl: skip fullmesh flag checks if not supported 

Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.

One of them is the fullmesh flag that can be given to the MPTCP
in-kernel path-manager and introduced in commit 2843ff6f36 ("mptcp:
remote addresses fullmesh").

If the flag is not visible in the dump after having set it, we don't
check the content. Note that if we expect to have this feature and
SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var is set to 1, we always
check the content to avoid regressions.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 6da1dfdd03 ("selftests: mptcp: add set_flags tests in pm_netlink.sh")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Matthieu Baerts 2023-06-08 18:38:50 +02:00 committed by Jakub Kicinski
parent 2177d0b08e
commit f3761b50b8
1 changed files with 10 additions and 5 deletions
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15
tools/testing/selftests/net/mptcp/pm_netlink.sh
View File

@ -178,14 +178,19 @@ subflow,backup 10.0.1.1" "set flags (backup)"
ip netns exec $ns1 ./pm_nl_ctl set 10.0.1.1 flags nobackup
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
subflow 10.0.1.1" " (nobackup)"
# fullmesh support has been added later
ip netns exec $ns1 ./pm_nl_ctl set id 1 flags fullmesh
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
if ip netns exec $ns1 ./pm_nl_ctl dump | grep -q "fullmesh" ||
mptcp_lib_expect_all_features; then
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
subflow,fullmesh 10.0.1.1" " (fullmesh)"
ip netns exec $ns1 ./pm_nl_ctl set id 1 flags nofullmesh
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
ip netns exec $ns1 ./pm_nl_ctl set id 1 flags nofullmesh
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
subflow 10.0.1.1" " (nofullmesh)"
ip netns exec $ns1 ./pm_nl_ctl set id 1 flags backup,fullmesh
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
ip netns exec $ns1 ./pm_nl_ctl set id 1 flags backup,fullmesh
check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
subflow,backup,fullmesh 10.0.1.1" " (backup,fullmesh)"
fi
exit $ret