[PATCH 6.1.y 1/3] selftests: mptcp: fix backport issues

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By accident, some patches modifying the MPTCP selftests have been
applied twice, using different versions of the patch [1].

These patches have been dropped, but it looks like quilt incorrectly
handled that by placing the new subtests at the wrong place: in
userspace_tests() instead of endpoint_tests(). That caused a few other
patches not to apply properly.

Not to have to revert and re-apply patches, this issue can be fixed by
moving some code around.

Link: https://lore.kernel.org/fc21db4a-508d-41db-aa45-e3bc06d18ce7@xxxxxxxxxx [1]
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 138 +++++++++---------
 1 file changed, 69 insertions(+), 69 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 33c002c26604..11585510695e 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3236,75 +3236,6 @@ userspace_tests()
 		chk_join_nr 1 1 1
 		chk_rm_nr 0 1
 	fi
-
-	# remove and re-add
-	if reset "delete re-add signal" &&
-	   mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
-		pm_nl_set_limits $ns1 0 3
-		pm_nl_set_limits $ns2 3 3
-		pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
-		# broadcast IP: no packet for this address will be received on ns1
-		pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal
-		pm_nl_add_endpoint $ns1 10.0.1.1 id 42 flags signal
-		run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
-		local tests_pid=$!
-
-		wait_mpj $ns2
-		chk_subflow_nr needtitle "before delete" 2
-
-		pm_nl_del_endpoint $ns1 1 10.0.2.1
-		pm_nl_del_endpoint $ns1 2 224.0.0.1
-		sleep 0.5
-		chk_subflow_nr "" "after delete" 1
-
-		pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
-		pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal
-		wait_mpj $ns2
-		chk_subflow_nr "" "after re-add" 3
-
-		pm_nl_del_endpoint $ns1 42 10.0.1.1
-		sleep 0.5
-		chk_subflow_nr "" "after delete ID 0" 2
-
-		pm_nl_add_endpoint $ns1 10.0.1.1 id 99 flags signal
-		wait_mpj $ns2
-		chk_subflow_nr "" "after re-add" 3
-		kill_tests_wait
-
-		chk_join_nr 4 4 4
-		chk_add_nr 5 5
-		chk_rm_nr 3 2 invert
-	fi
-
-	# flush and re-add
-	if reset_with_tcp_filter "flush re-add" ns2 10.0.3.2 REJECT OUTPUT &&
-	   mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
-		pm_nl_set_limits $ns1 0 2
-		pm_nl_set_limits $ns2 1 2
-		# broadcast IP: no packet for this address will be received on ns1
-		pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal
-		pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow
-		run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
-		local tests_pid=$!
-
-		wait_attempt_fail $ns2
-		chk_subflow_nr needtitle "before flush" 1
-
-		pm_nl_flush_endpoint $ns2
-		pm_nl_flush_endpoint $ns1
-		wait_rm_addr $ns2 0
-		ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT
-		pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow
-		wait_mpj $ns2
-		pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal
-		wait_mpj $ns2
-		kill_wait "${tests_pid}"
-		kill_tests_wait
-
-		chk_join_nr 2 2 2
-		chk_add_nr 2 2
-		chk_rm_nr 1 0 invert
-	fi
 }
 
 endpoint_tests()
@@ -3375,6 +3306,75 @@ endpoint_tests()
 		chk_join_nr 6 6 6
 		chk_rm_nr 4 4
 	fi
+
+	# remove and re-add
+	if reset "delete re-add signal" &&
+	   mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
+		pm_nl_set_limits $ns1 0 3
+		pm_nl_set_limits $ns2 3 3
+		pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
+		# broadcast IP: no packet for this address will be received on ns1
+		pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal
+		pm_nl_add_endpoint $ns1 10.0.1.1 id 42 flags signal
+		run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
+		local tests_pid=$!
+
+		wait_mpj $ns2
+		chk_subflow_nr needtitle "before delete" 2
+
+		pm_nl_del_endpoint $ns1 1 10.0.2.1
+		pm_nl_del_endpoint $ns1 2 224.0.0.1
+		sleep 0.5
+		chk_subflow_nr "" "after delete" 1
+
+		pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal
+		pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal
+		wait_mpj $ns2
+		chk_subflow_nr "" "after re-add" 3
+
+		pm_nl_del_endpoint $ns1 42 10.0.1.1
+		sleep 0.5
+		chk_subflow_nr "" "after delete ID 0" 2
+
+		pm_nl_add_endpoint $ns1 10.0.1.1 id 99 flags signal
+		wait_mpj $ns2
+		chk_subflow_nr "" "after re-add" 3
+		kill_tests_wait
+
+		chk_join_nr 4 4 4
+		chk_add_nr 5 5
+		chk_rm_nr 3 2 invert
+	fi
+
+	# flush and re-add
+	if reset_with_tcp_filter "flush re-add" ns2 10.0.3.2 REJECT OUTPUT &&
+	   mptcp_lib_kallsyms_has "subflow_rebuild_header$"; then
+		pm_nl_set_limits $ns1 0 2
+		pm_nl_set_limits $ns2 1 2
+		# broadcast IP: no packet for this address will be received on ns1
+		pm_nl_add_endpoint $ns1 224.0.0.1 id 2 flags signal
+		pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow
+		run_tests $ns1 $ns2 10.0.1.1 4 0 0 speed_20 2>/dev/null &
+		local tests_pid=$!
+
+		wait_attempt_fail $ns2
+		chk_subflow_nr needtitle "before flush" 1
+
+		pm_nl_flush_endpoint $ns2
+		pm_nl_flush_endpoint $ns1
+		wait_rm_addr $ns2 0
+		ip netns exec "${ns2}" ${iptables} -D OUTPUT -s "10.0.3.2" -p tcp -j REJECT
+		pm_nl_add_endpoint $ns2 10.0.3.2 id 3 flags subflow
+		wait_mpj $ns2
+		pm_nl_add_endpoint $ns1 10.0.3.1 id 2 flags signal
+		wait_mpj $ns2
+		kill_wait "${tests_pid}"
+		kill_tests_wait
+
+		chk_join_nr 2 2 2
+		chk_add_nr 2 2
+		chk_rm_nr 1 0 invert
+	fi
 }
 
 # [$1: error message]
-- 
2.45.2





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