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selftests: mptcp: join: validate fullmesh endp on 1st sf 

commit 4878f9f8421f4587bee7b232c1c8a9d3a7d4d782 upstream.

This case was not covered, and the wrong ID was set before the previous
commit.

The rest is not modified, it is just that it will increase the code
coverage.

The right address ID can be verified by looking at the packet traces. We
could automate that using Netfilter with some cBPF code for example, but
that's always a bit cryptic. Packetdrill seems better fitted for that.

Fixes: 4f49d63352 ("selftests: mptcp: add fullmesh testcases")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240819-net-mptcp-pm-reusing-id-v1-13-38035d40de5b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matthieu Baerts (NGI0) 2024-08-19 21:45:31 +02:00 committed by Greg Kroah-Hartman
parent 9a9afbbc3f
commit f845af67e7
1 changed files with 1 additions and 0 deletions
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1
tools/testing/selftests/net/mptcp/mptcp_join.sh
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@ -3220,6 +3220,7 @@ fullmesh_tests()
pm_nl_set_limits $ns1 1 3
pm_nl_set_limits $ns2 1 3
pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow,fullmesh
fullmesh=1 speed=slow \
run_tests $ns1 $ns2 10.0.1.1
chk_join_nr 3 3 3