6.6-stable review patch. If anyone has any objections, please let me know.
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From: Paolo Abeni pabeni@redhat.com
[ Upstream commit b5e2fb832f48bc01d937a053e0550a1465a2f05d ]
Delete and re-create a signal endpoint and ensure that the PM actually deletes and re-create the subflow.
Signed-off-by: Paolo Abeni pabeni@redhat.com Reviewed-by: Matthieu Baerts (NGI0) matttbe@kernel.org Signed-off-by: Matthieu Baerts (NGI0) matttbe@kernel.org Signed-off-by: David S. Miller davem@davemloft.net Stable-dep-of: 1c2326fcae4f ("selftests: mptcp: join: check re-adding init endp with != id") Signed-off-by: Sasha Levin sashal@kernel.org --- .../testing/selftests/net/mptcp/mptcp_join.sh | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 59fdf308c8f14..b5ed323ed9c59 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -3734,6 +3734,35 @@ 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 1 1 + pm_nl_set_limits $ns2 1 1 + pm_nl_add_endpoint $ns1 10.0.2.1 id 1 flags signal + test_linkfail=4 speed=20 \ + run_tests $ns1 $ns2 10.0.1.1 & + local tests_pid=$! + + wait_mpj $ns2 + pm_nl_check_endpoint "creation" \ + $ns1 10.0.2.1 id 1 flags signal + chk_subflow_nr "before delete" 2 + chk_mptcp_info subflows 1 subflows 1 + + pm_nl_del_endpoint $ns1 1 10.0.2.1 + sleep 0.5 + chk_subflow_nr "after delete" 1 + chk_mptcp_info subflows 0 subflows 0 + + pm_nl_add_endpoint $ns1 10.0.2.1 flags signal + wait_mpj $ns2 + chk_subflow_nr "after re-add" 2 + chk_mptcp_info subflows 1 subflows 1 + mptcp_lib_kill_wait $tests_pid + fi + }
# [$1: error message]