selftests: mptcp: join: add ss mptcp support check

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: e274f71 ("selftests: mptcp: add subflow limits test-cases") Cc: [email protected] Signed-off-by: Geliang Tang <[email protected]> Reviewed-by: Matthieu Baerts (NGI0) <[email protected]> Signed-off-by: Matthieu Baerts (NGI0) <[email protected]> Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-7-162e87e48497@kernel.org Signed-off-by: Jakub Kicinski <[email protected]>
CachyOS · Feb 27, 2024 · 9480f38 · 9480f38
1 parent b111d8f
commit 9480f38
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -161,6 +161,11 @@ 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"