4:16 a.m.
test with less predictable setups:
tc qdisc delay is now random, same for reordering and loss.
Motivation is to cover more scenarious without a increase in test-time.
Signed-off-by: Florian Westphal <fw(a)strlen.de>
---
.../selftests/net/mptcp/mptcp_connect.sh | 26 +++++++++++++++++--
1 file changed, 24 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index f0528df9ac31..d31fe01824ec 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -302,8 +302,30 @@ for sender in 1 2 3 4;do
do_ping ns4 ns$sender 10.0.3.1
done
-tc -net ns2 qdisc add dev ns2eth3 root netem loss random 1
-tc -net ns3 qdisc add dev ns3eth4 root netem delay 10ms reorder 25% 50% gap 5
+loss=$((RANDOM%101))
+if [ $loss -eq 100 ] ;then
+ loss=1%
+ tc -net ns2 qdisc add dev ns2eth3 root netem loss random $loss
+elif [ $loss -ge 10 ]; then
+ loss=0.$loss%
+ tc -net ns2 qdisc add dev ns2eth3 root netem loss random $loss
+elif [ $loss -ge 1 ]; then
+ loss=0.0$loss%
+ tc -net ns2 qdisc add dev ns2eth3 root netem loss random $loss
+fi
+
+delay=$((RANDOM%400))
+reorder1=$((RANDOM%10))
+reorder1=$((100 - reorder1))
+reorder2=$((RANDOM%100))
+
+if [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then
+ tc -net ns3 qdisc add dev ns3eth4 root netem delay ${delay}ms reorder ${reorder1}%
${reorder2}%
+ echo "INFO: Using loss of $loss, delay $delay ms, reorder: $reorder1, $reorder2 on
ns3eth4"
+elif [ $delay -gt 0 ]; then
+ tc -net ns3 qdisc add dev ns3eth4 root netem delay ${delay}ms
+ echo "INFO: Using loss of $loss, delay $delay ms on ns3eth4"
+fi
for sender in 1 2 3 4;do
run_tests ns1 ns$sender 10.0.1.1
--
2.23.0