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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: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni 2021-05-27 16:31:40 -07:00 committed by Jakub Kicinski
parent dea2b1ea9c
commit 69ca3d29a7
1 changed files with 9 additions and 4 deletions
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13
tools/testing/selftests/net/mptcp/mptcp_connect.sh
View File

@ -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 ${expect_ackrx} ]; then
printf "[ FAIL ] lower MPC ACK rx (%d) than expected (%d)\n" \
"${stat_ackrx_now_l}" "${expect_ackrx}" 1>&2
rets=1
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