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selftests: mptcp: join: add ss mptcp support check

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commit 9480f388a2ef54fba911d9325372abd69a328601 upstream.

Commands 'ss -M' are used in script mptcp_join.sh to display only MPTCP
sockets. So it must be checked if ss tool supports MPTCP in this script.

Fixes: e274f7154008 ("selftests: mptcp: add subflow limits test-cases")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-7-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2024-02-23 17:14:17 +01:00 committed by Greg Kroah-Hartman
parent 48428b07de
commit 536a661bfd
1 changed files with 5 additions and 0 deletions
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5
tools/testing/selftests/net/mptcp/mptcp_join.sh
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@ -159,6 +159,11 @@ check_tools()
exit $ksft_skip
fi
if ! ss -h | grep -q MPTCP; then
echo "SKIP: ss tool does not support MPTCP"
exit $ksft_skip
fi
# Use the legacy version if available to support old kernel versions
if iptables-legacy -V &> /dev/null; then
iptables="iptables-legacy"