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selftests: mptcp: connect: skip disconnect tests if not supported

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commit 4ad39a42da2e9770c8e4c37fe632ed8898419129 upstream.

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

One of them is the full support of disconnections from the userspace
introduced by commit b29fcfb54c ("mptcp: full disconnect
implementation").

It is possible to look for "mptcp_pm_data_reset" in kallsyms because a
preparation patch added it to ease the introduction of the mentioned
feature.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 05be5e273c ("selftests: mptcp: add disconnect tests")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthieu Baerts 2023-06-08 18:38:45 +02:00 committed by Greg Kroah-Hartman
parent cba0db9c15
commit e79e5e7642
1 changed files with 5 additions and 0 deletions
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5
tools/testing/selftests/net/mptcp/mptcp_connect.sh
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@ -782,6 +782,11 @@ run_tests_disconnect()
local old_cin=$cin local old_cin=$cin
local old_sin=$sin local old_sin=$sin
if ! mptcp_lib_kallsyms_has "mptcp_pm_data_reset$"; then
echo "INFO: Full disconnect not supported: SKIP"
return
fi
cat $cin $cin $cin > "$cin".disconnect cat $cin $cin $cin > "$cin".disconnect
# force do_transfer to cope with the multiple tranmissions # force do_transfer to cope with the multiple tranmissions