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selftests: mptcp: userspace pm: skip PM listener events tests if unavailable

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

One of them is the new listener events linked to the path-manager
introduced by commit f8c9dfbd87 ("mptcp: add pm listener events").

It is possible to look for "mptcp_event_pm_listener" in kallsyms to know
in advance if the kernel supports this feature and skip these sub-tests
if the feature is not supported.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 6c73008aa3 ("selftests: mptcp: listener test for userspace PM")
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 18:38:56 +02:00 committed by Jakub Kicinski
parent f90adb0338
commit 626cb7a5f6
1 changed files with 6 additions and 0 deletions
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6
tools/testing/selftests/net/mptcp/userspace_pm.sh
View File

@ -4,6 +4,7 @@
. "$(dirname "${0}")/mptcp_lib.sh"
mptcp_lib_check_mptcp
mptcp_lib_check_kallsyms
if ! mptcp_lib_has_file '/proc/sys/net/mptcp/pm_type'; then
echo "userspace pm tests are not supported by the kernel: SKIP"
@ -914,6 +915,11 @@ test_listener()
{
print_title "Listener tests"
if ! mptcp_lib_kallsyms_has "mptcp_event_pm_listener$"; then
stdbuf -o0 -e0 printf "LISTENER events \t[SKIP] Not supported\n"
return
fi
# Capture events on the network namespace running the client
:>$client_evts