Commit b3b71bf9 authored May 02, 2022 by Mat Martineau Committed by Jakub Kicinski May 03, 2022

selftests: mptcp: ADD_ADDR echo test with missing userspace daemon



Check userspace PM behavior to ensure ADD_ADDR echoes are only sent when
there is an active userspace daemon. If the daemon is restarting or
hasn't loaded yet, the missing echo will cause the peer to retransmit
the ADD_ADDR - and hopefully the daemon will be ready to receive it at
that later time.

Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

parent 4d25247d

tools/testing/selftests/net/mptcp/mptcp_join.sh

+11 −0

Original line number	Diff line number	Diff line
		@@ -2719,6 +2719,17 @@ userspace_tests()
		chk_add_nr 0 0
		fi

		# userspace pm type does not echo add_addr without daemon
		if reset "userspace pm no echo w/o daemon"; then
		set_userspace_pm $ns2
		pm_nl_set_limits $ns1 0 2
		pm_nl_set_limits $ns2 0 2
		pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
		run_tests $ns1 $ns2 10.0.1.1
		chk_join_nr 0 0 0
		chk_add_nr 1 0
		fi

		# userspace pm type rejects join
		if reset "userspace pm type rejects join"; then
		set_userspace_pm $ns1