Commit 69ca3d29 authored by Paolo Abeni's avatar Paolo Abeni Committed by Jakub Kicinski
Browse files

mptcp: update selftest for fallback due to OoO 



The previous commit noted that we can have fallback
scenario due to OoO (or packet drop). Update the self-tests
accordingly

Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
Signed-off-by: default avatarMat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent dea2b1ea

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

+9 −4
Original line number Diff line number Diff line
@@ -501,6 +501,7 @@ do_transfer() 
	local stat_ackrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")

	local stat_cookietx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent")

	local stat_cookierx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv")

	local stat_ooo_now=$(get_mib_counter "${listener_ns}" "TcpExtTCPOFOQueue")



	expect_synrx=$((stat_synrx_last_l))

	expect_ackrx=$((stat_ackrx_last_l))
@@ -518,10 +519,14 @@ do_transfer() 
			"${stat_synrx_now_l}" "${expect_synrx}" 1>&2

		retc=1

	fi

	if [ ${stat_ackrx_now_l} -lt ${expect_ackrx} ]; then

	if [ ${stat_ackrx_now_l} -lt ${expect_ackrx} -a ${stat_ooo_now} -eq 0 ]; then

		if [ ${stat_ooo_now} -eq 0 ]; then

			printf "[ FAIL ] lower MPC ACK rx (%d) than expected (%d)\n" \

				"${stat_ackrx_now_l}" "${expect_ackrx}" 1>&2

			rets=1

		else

			printf "[ Note ] fallback due to TCP OoO"

		fi

	fi



	if [ $retc -eq 0 ] && [ $rets -eq 0 ]; then