summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/net/mptcp/simult_flows.sh
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/net/mptcp/simult_flows.sh')
-rwxr-xr-xtools/testing/selftests/net/mptcp/simult_flows.sh104
1 files changed, 57 insertions, 47 deletions
diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh
index 8f9ddb3ad4fe..9c2a415976cb 100755
--- a/tools/testing/selftests/net/mptcp/simult_flows.sh
+++ b/tools/testing/selftests/net/mptcp/simult_flows.sh
@@ -1,48 +1,52 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
+# Double quotes to prevent globbing and word splitting is recommended in new
+# code but we accept it, especially because there were too many before having
+# address all other issues detected by shellcheck.
+#shellcheck disable=SC2086
+
. "$(dirname "${0}")/mptcp_lib.sh"
-sec=$(date +%s)
-rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
-ns1="ns1-$rndh"
-ns2="ns2-$rndh"
-ns3="ns3-$rndh"
+ns1=""
+ns2=""
+ns3=""
capture=false
-ksft_skip=4
timeout_poll=30
timeout_test=$((timeout_poll * 2 + 1))
-test_cnt=1
+# a bit more space: because we have more to display
+MPTCP_LIB_TEST_FORMAT="%02u %-60s"
ret=0
bail=0
slack=50
+large=""
+small=""
+sout=""
+cout=""
+capout=""
+size=0
usage() {
- echo "Usage: $0 [ -b ] [ -c ] [ -d ]"
+ echo "Usage: $0 [ -b ] [ -c ] [ -d ] [ -i]"
echo -e "\t-b: bail out after first error, otherwise runs al testcases"
echo -e "\t-c: capture packets for each test using tcpdump (default: no capture)"
echo -e "\t-d: debug this script"
+ echo -e "\t-i: use 'ip mptcp' instead of 'pm_nl_ctl'"
}
+# This function is used in the cleanup trap
+#shellcheck disable=SC2317
cleanup()
{
rm -f "$cout" "$sout"
rm -f "$large" "$small"
rm -f "$capout"
- local netns
- for netns in "$ns1" "$ns2" "$ns3";do
- ip netns del $netns
- done
+ mptcp_lib_ns_exit "${ns1}" "${ns2}" "${ns3}"
}
mptcp_lib_check_mptcp
-
-ip -Version > /dev/null 2>&1
-if [ $? -ne 0 ];then
- echo "SKIP: Could not run test without ip tool"
- exit $ksft_skip
-fi
+mptcp_lib_check_tools ip tc
# "$ns1" ns2 ns3
# ns1eth1 ns2eth1 ns2eth3 ns3eth1
@@ -64,12 +68,7 @@ setup()
trap cleanup EXIT
- for i in "$ns1" "$ns2" "$ns3";do
- ip netns add $i || exit $ksft_skip
- ip -net $i link set lo up
- ip netns exec $i sysctl -q net.ipv4.conf.all.rp_filter=0
- ip netns exec $i sysctl -q net.ipv4.conf.default.rp_filter=0
- done
+ mptcp_lib_ns_init ns1 ns2 ns3
ip link add ns1eth1 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"
ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth2 netns "$ns2"
@@ -87,8 +86,8 @@ setup()
ip -net "$ns1" route add default via 10.0.2.2 metric 101
ip -net "$ns1" route add default via dead:beef:2::2 metric 101
- ip netns exec "$ns1" ./pm_nl_ctl limits 1 1
- ip netns exec "$ns1" ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags subflow
+ mptcp_lib_pm_nl_set_limits "${ns1}" 1 1
+ mptcp_lib_pm_nl_add_endpoint "${ns1}" 10.0.2.1 dev ns1eth2 flags subflow
ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1
ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad
@@ -110,7 +109,7 @@ setup()
ip -net "$ns3" route add default via 10.0.3.2
ip -net "$ns3" route add default via dead:beef:3::2
- ip netns exec "$ns3" ./pm_nl_ctl limits 1 1
+ mptcp_lib_pm_nl_set_limits "${ns3}" 1 1
# debug build can slow down measurably the test program
# we use quite tight time limit on the run-time, to ensure
@@ -129,8 +128,7 @@ do_transfer()
local sin=$2
local max_time=$3
local port
- port=$((10000+$test_cnt))
- test_cnt=$((test_cnt+1))
+ port=$((10000+MPTCP_LIB_TEST_COUNTER))
:> "$cout"
:> "$sout"
@@ -138,6 +136,7 @@ do_transfer()
if $capture; then
local capuser
+ local rndh="${ns1:4}"
if [ -z $SUDO_USER ] ; then
capuser=""
else
@@ -156,6 +155,11 @@ do_transfer()
sleep 1
fi
+ NSTAT_HISTORY=/tmp/${ns3}.nstat ip netns exec ${ns3} \
+ nstat -n
+ NSTAT_HISTORY=/tmp/${ns1}.nstat ip netns exec ${ns1} \
+ nstat -n
+
timeout ${timeout_test} \
ip netns exec ${ns3} \
./mptcp_connect -jt ${timeout_poll} -l -p $port -T $max_time \
@@ -181,25 +185,27 @@ do_transfer()
kill ${cappid_connector}
fi
+ NSTAT_HISTORY=/tmp/${ns3}.nstat ip netns exec ${ns3} \
+ nstat | grep Tcp > /tmp/${ns3}.out
+ NSTAT_HISTORY=/tmp/${ns1}.nstat ip netns exec ${ns1} \
+ nstat | grep Tcp > /tmp/${ns1}.out
+
cmp $sin $cout > /dev/null 2>&1
local cmps=$?
cmp $cin $sout > /dev/null 2>&1
local cmpc=$?
- printf "%-16s" " max $max_time "
if [ $retc -eq 0 ] && [ $rets -eq 0 ] && \
[ $cmpc -eq 0 ] && [ $cmps -eq 0 ]; then
- echo "[ OK ]"
+ printf "%-16s" " max $max_time "
+ mptcp_lib_pr_ok
cat "$capout"
return 0
fi
- echo " [ fail ]"
- echo "client exit code $retc, server $rets" 1>&2
- echo -e "\nnetns ${ns3} socket stat for $port:" 1>&2
- ip netns exec ${ns3} ss -nita 1>&2 -o "sport = :$port"
- echo -e "\nnetns ${ns1} socket stat for $port:" 1>&2
- ip netns exec ${ns1} ss -nita 1>&2 -o "dport = :$port"
+ mptcp_lib_pr_fail "client exit code $retc, server $rets"
+ mptcp_lib_pr_err_stats "${ns3}" "${ns1}" "${port}" \
+ "/tmp/${ns3}.out" "/tmp/${ns1}.out"
ls -l $sin $cout
ls -l $cin $sout
@@ -218,8 +224,8 @@ run_test()
shift 4
local msg=$*
- [ $delay1 -gt 0 ] && delay1="delay $delay1" || delay1=""
- [ $delay2 -gt 0 ] && delay2="delay $delay2" || delay2=""
+ [ $delay1 -gt 0 ] && delay1="delay ${delay1}ms" || delay1=""
+ [ $delay2 -gt 0 ] && delay2="delay ${delay2}ms" || delay2=""
for dev in ns1eth1 ns1eth2; do
tc -n $ns1 qdisc del dev $dev root >/dev/null 2>&1
@@ -241,31 +247,31 @@ run_test()
# completion (see mptcp_connect): 200ms on each side, add some slack
time=$((time + 400 + slack))
- printf "%-60s" "$msg"
+ mptcp_lib_print_title "$msg"
do_transfer $small $large $time
lret=$?
mptcp_lib_result_code "${lret}" "${msg}"
- if [ $lret -ne 0 ]; then
+ if [ $lret -ne 0 ] && ! mptcp_lib_subtest_is_flaky; then
ret=$lret
[ $bail -eq 0 ] || exit $ret
fi
msg+=" - reverse direction"
- printf "%-60s" "${msg}"
+ mptcp_lib_print_title "${msg}"
do_transfer $large $small $time
lret=$?
mptcp_lib_result_code "${lret}" "${msg}"
- if [ $lret -ne 0 ]; then
+ if [ $lret -ne 0 ] && ! mptcp_lib_subtest_is_flaky; then
ret=$lret
[ $bail -eq 0 ] || exit $ret
fi
}
-while getopts "bcdh" option;do
+while getopts "bcdhi" option;do
case "$option" in
"h")
usage $0
- exit 0
+ exit ${KSFT_PASS}
;;
"b")
bail=1
@@ -276,19 +282,23 @@ while getopts "bcdh" option;do
"d")
set -x
;;
+ "i")
+ mptcp_lib_set_ip_mptcp
+ ;;
"?")
usage $0
- exit 1
+ exit ${KSFT_FAIL}
;;
esac
done
setup
+mptcp_lib_subtests_last_ts_reset
run_test 10 10 0 0 "balanced bwidth"
run_test 10 10 1 25 "balanced bwidth with unbalanced delay"
# we still need some additional infrastructure to pass the following test-cases
-run_test 10 3 0 0 "unbalanced bwidth"
+MPTCP_LIB_SUBTEST_FLAKY=1 run_test 10 3 0 0 "unbalanced bwidth"
run_test 10 3 1 25 "unbalanced bwidth with unbalanced delay"
run_test 10 3 25 1 "unbalanced bwidth with opposed, unbalanced delay"