Commit 626cb7a5 authored by Matthieu Baerts's avatar Matthieu Baerts Committed by Jakub Kicinski
Browse files

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

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 f8c9dfbd ("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: 6c73008a ("selftests: mptcp: listener test for userspace PM")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarMatthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent f90adb03

tools/testing/selftests/net/mptcp/userspace_pm.sh

+6 −0
Original line number Diff line number Diff line
@@ -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