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selftests: mptcp: sockopt: skip TCP_INQ checks if not supported

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commit b631e3a4e9 upstream.

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

One of them is TCP_INQ cmsg support introduced in commit 2c9e77659a
("mptcp: add TCP_INQ cmsg support").

It is possible to look for "mptcp_ioctl" in kallsyms because it was
needed to introduce the mentioned feature. We can skip these tests and
not set TCPINQ option if the feature is not supported.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: 5cbd886ce2 ("selftests: mptcp: add TCP_INQ support")
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: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthieu Baerts 2023-06-22 11:17:09 +02:00 committed by Greg Kroah-Hartman
parent 157dcb2000
commit bce23d1254
1 changed files with 12 additions and 2 deletions
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14
tools/testing/selftests/net/mptcp/mptcp_sockopt.sh
View file

@ -182,9 +182,14 @@ do_transfer()
local_addr="0.0.0.0"
fi
cmsg="TIMESTAMPNS"
if mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
cmsg+=",TCPINQ"
fi
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c TIMESTAMPNS,TCPINQ \
$mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c "${cmsg}" \
${local_addr} < "$sin" > "$sout" &
spid=$!
@ -192,7 +197,7 @@ do_transfer()
timeout ${timeout_test} \
ip netns exec ${connector_ns} \
$mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c TIMESTAMPNS,TCPINQ \
$mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c "${cmsg}" \
$connect_addr < "$cin" > "$cout" &
cpid=$!
@ -311,6 +316,11 @@ do_tcpinq_tests()
ip netns exec "$ns1" iptables -F
ip netns exec "$ns1" ip6tables -F
if ! mptcp_lib_kallsyms_has "mptcp_ioctl$"; then
echo "INFO: TCP_INQ not supported: SKIP"
return
fi
for args in "-t tcp" "-r tcp"; do
do_tcpinq_test $args
lret=$?