5.15-stable review patch. If anyone has any objections, please let me know.
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From: "Matthieu Baerts (NGI0)" matttbe@kernel.org
commit f833470c27832136d4416d8fc55d658082af0989 upstream.
Before the previous commit, 'signal' endpoints with the 'backup' flag were ignored when sending the MP_JOIN.
The MPTCP Join selftest has then been modified to validate this case: the "single address, backup" test, is now validating the MP_JOIN with a backup flag as it is what we expect it to do with such name. The previous version has been kept, but renamed to "single address, switch to backup" to avoid confusions.
The "single address with port, backup" test is also now validating the MPJ with a backup flag, which makes more sense than checking the switch to backup with an MP_PRIO.
The "mpc backup both sides" test is now validating that the backup flag is also set in MP_JOIN from and to the addresses used in the initial subflow, using the special ID 0.
The 'Fixes' tag here below is the same as the one from the previous commit: this patch here is not fixing anything wrong in the selftests, but it validates the previous fix for an issue introduced by this commit ID.
Fixes: 4596a2c1b7f5 ("mptcp: allow creating non-backup subflows") Cc: stable@vger.kernel.org Reviewed-by: Mat Martineau martineau@kernel.org Signed-off-by: Matthieu Baerts (NGI0) matttbe@kernel.org Signed-off-by: Paolo Abeni pabeni@redhat.com [ Conflicts in mptcp_join.sh because 'run_tests' helper has been modified in multiple commits that are not in this version, e.g. commit e571fb09c893 ("selftests: mptcp: add speed env var") and commit ae7bd9ccecc3 ("selftests: mptcp: join: option to execute specific tests"). Adaptations have been made to use the old way, similar to what is done around. Also in this version, there is no "single address with port, backup" subtest. Same for "mpc backup both sides". ] Signed-off-by: Matthieu Baerts (NGI0) matttbe@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- tools/testing/selftests/net/mptcp/mptcp_join.sh | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -1588,10 +1588,19 @@ backup_tests() # single address, backup reset ip netns exec $ns1 ./pm_nl_ctl limits 0 1 + ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal,backup + ip netns exec $ns2 ./pm_nl_ctl limits 1 1 + run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup + chk_join_nr "single address, backup" 1 1 1 + chk_add_nr 1 1 + chk_prio_nr 1 0 0 1 + + reset + ip netns exec $ns1 ./pm_nl_ctl limits 0 1 ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal ip netns exec $ns2 ./pm_nl_ctl limits 1 1 run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup - chk_join_nr "single address, backup" 1 1 1 + chk_join_nr "single address, switch to backup" 1 1 1 chk_add_nr 1 1 chk_prio_nr 1 0 0 0 }