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-rwxr-xr-xtools/testing/selftests/net/mptcp/mptcp_connect.sh117
1 files changed, 78 insertions, 39 deletions
diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
index 57d75b7f6220..10a030b53b23 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh
@@ -14,9 +14,8 @@ capture=false
timeout=30
ipv6=true
ethtool_random_on=true
-tc_delay="$((RANDOM%400))"
+tc_delay="$((RANDOM%50))"
tc_loss=$((RANDOM%101))
-tc_reorder=""
testmode=""
sndbuf=0
rcvbuf=0
@@ -129,6 +128,7 @@ cleanup()
local netns
for netns in "$ns1" "$ns2" "$ns3" "$ns4";do
ip netns del $netns
+ rm -f /tmp/$netns.{nstat,out}
done
}
@@ -334,6 +334,21 @@ do_ping()
return 0
}
+# $1: ns, $2: MIB counter
+get_mib_counter()
+{
+ local listener_ns="${1}"
+ local mib="${2}"
+
+ # strip the header
+ ip netns exec "${listener_ns}" \
+ nstat -z -a "${mib}" | \
+ tail -n+2 | \
+ while read a count c rest; do
+ echo $count
+ done
+}
+
# $1: ns, $2: port
wait_local_port_listen()
{
@@ -410,10 +425,10 @@ do_transfer()
sleep 1
fi
- local stat_synrx_last_l=$(ip netns exec ${listener_ns} nstat -z -a MPTcpExtMPCapableSYNRX | while read a count c rest ;do echo $count;done)
- local stat_ackrx_last_l=$(ip netns exec ${listener_ns} nstat -z -a MPTcpExtMPCapableACKRX | while read a count c rest ;do echo $count;done)
- local stat_cookietx_last=$(ip netns exec ${listener_ns} nstat -z -a TcpExtSyncookiesSent | while read a count c rest ;do echo $count;done)
- local stat_cookierx_last=$(ip netns exec ${listener_ns} nstat -z -a TcpExtSyncookiesRecv | while read a count c rest ;do echo $count;done)
+ local stat_synrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
+ local stat_ackrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
+ local stat_cookietx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent")
+ local stat_cookierx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv")
ip netns exec ${listener_ns} ./mptcp_connect -t $timeout -l -p $port -s ${srv_proto} $extra_args $local_addr < "$sin" > "$sout" &
local spid=$!
@@ -439,16 +454,26 @@ do_transfer()
kill ${cappid_connector}
fi
+ NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
+ nstat | grep Tcp > /tmp/${listener_ns}.out
+ if [ ${listener_ns} != ${connector_ns} ]; then
+ NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
+ nstat | grep Tcp > /tmp/${connector_ns}.out
+ fi
+
local duration
duration=$((stop-start))
- duration=$(printf "(duration %05sms)" $duration)
+ printf "(duration %05sms) " "${duration}"
if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then
- echo "$duration [ FAIL ] client exit code $retc, server $rets" 1>&2
- echo "\nnetns ${listener_ns} socket stat for $port:" 1>&2
- ip netns exec ${listener_ns} ss -nita 1>&2 -o "sport = :$port"
- echo "\nnetns ${connector_ns} socket stat for $port:" 1>&2
- ip netns exec ${connector_ns} ss -nita 1>&2 -o "dport = :$port"
-
+ echo "[ FAIL ] client exit code $retc, server $rets" 1>&2
+ echo -e "\nnetns ${listener_ns} socket stat for ${port}:" 1>&2
+ ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
+ cat /tmp/${listener_ns}.out
+ echo -e "\nnetns ${connector_ns} socket stat for ${port}:" 1>&2
+ ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
+ [ ${listener_ns} != ${connector_ns} ] && cat /tmp/${connector_ns}.out
+
+ echo
cat "$capout"
return 1
fi
@@ -458,11 +483,10 @@ do_transfer()
check_transfer $cin $sout "file received by server"
rets=$?
- local stat_synrx_now_l=$(ip netns exec ${listener_ns} nstat -z -a MPTcpExtMPCapableSYNRX | while read a count c rest ;do echo $count;done)
- local stat_ackrx_now_l=$(ip netns exec ${listener_ns} nstat -z -a MPTcpExtMPCapableACKRX | while read a count c rest ;do echo $count;done)
-
- local stat_cookietx_now=$(ip netns exec ${listener_ns} nstat -z -a TcpExtSyncookiesSent | while read a count c rest ;do echo $count;done)
- local stat_cookierx_now=$(ip netns exec ${listener_ns} nstat -z -a TcpExtSyncookiesRecv | while read a count c rest ;do echo $count;done)
+ local stat_synrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
+ local stat_ackrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
+ local stat_cookietx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent")
+ local stat_cookierx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv")
expect_synrx=$((stat_synrx_last_l))
expect_ackrx=$((stat_ackrx_last_l))
@@ -474,37 +498,50 @@ do_transfer()
expect_synrx=$((stat_synrx_last_l+1))
expect_ackrx=$((stat_ackrx_last_l+1))
fi
+
+ if [ ${stat_synrx_now_l} -lt ${expect_synrx} ]; then
+ printf "[ FAIL ] lower MPC SYN rx (%d) than expected (%d)\n" \
+ "${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
+ fi
+
+ if [ $retc -eq 0 ] && [ $rets -eq 0 ]; then
+ printf "[ OK ]"
+ fi
+
if [ $cookies -eq 2 ];then
if [ $stat_cookietx_last -ge $stat_cookietx_now ] ;then
- echo "${listener_ns} CookieSent: ${cl_proto} -> ${srv_proto}: did not advance"
+ printf " WARN: CookieSent: did not advance"
fi
if [ $stat_cookierx_last -ge $stat_cookierx_now ] ;then
- echo "${listener_ns} CookieRecv: ${cl_proto} -> ${srv_proto}: did not advance"
+ printf " WARN: CookieRecv: did not advance"
fi
else
if [ $stat_cookietx_last -ne $stat_cookietx_now ] ;then
- echo "${listener_ns} CookieSent: ${cl_proto} -> ${srv_proto}: changed"
+ printf " WARN: CookieSent: changed"
fi
if [ $stat_cookierx_last -ne $stat_cookierx_now ] ;then
- echo "${listener_ns} CookieRecv: ${cl_proto} -> ${srv_proto}: changed"
+ printf " WARN: CookieRecv: changed"
fi
fi
- if [ $expect_synrx -ne $stat_synrx_now_l ] ;then
- echo "${listener_ns} SYNRX: ${cl_proto} -> ${srv_proto}: expect ${expect_synrx}, got ${stat_synrx_now_l}"
+ if [ ${stat_synrx_now_l} -gt ${expect_synrx} ]; then
+ printf " WARN: SYNRX: expect %d, got %d (probably retransmissions)" \
+ "${expect_synrx}" "${stat_synrx_now_l}"
fi
- if [ $expect_ackrx -ne $stat_ackrx_now_l ] ;then
- echo "${listener_ns} ACKRX: ${cl_proto} -> ${srv_proto}: expect ${expect_synrx}, got ${stat_synrx_now_l}"
- fi
-
- if [ $retc -eq 0 ] && [ $rets -eq 0 ];then
- echo "$duration [ OK ]"
- cat "$capout"
- return 0
+ if [ ${stat_ackrx_now_l} -gt ${expect_ackrx} ]; then
+ printf " WARN: ACKRX: expect %d, got %d (probably retransmissions)" \
+ "${expect_ackrx}" "${stat_ackrx_now_l}"
fi
+ echo
cat "$capout"
- return 1
+ [ $retc -eq 0 ] && [ $rets -eq 0 ]
}
make_file()
@@ -628,30 +665,32 @@ for sender in "$ns1" "$ns2" "$ns3" "$ns4";do
do_ping "$ns4" $sender dead:beef:3::1
done
-[ -n "$tc_loss" ] && tc -net "$ns2" qdisc add dev ns2eth3 root netem loss random $tc_loss
+[ -n "$tc_loss" ] && tc -net "$ns2" qdisc add dev ns2eth3 root netem loss random $tc_loss delay ${tc_delay}ms
echo -n "INFO: Using loss of $tc_loss "
test "$tc_delay" -gt 0 && echo -n "delay $tc_delay ms "
+reorder_delay=$(($tc_delay / 4))
+
if [ -z "${tc_reorder}" ]; then
reorder1=$((RANDOM%10))
reorder1=$((100 - reorder1))
reorder2=$((RANDOM%100))
- if [ $tc_delay -gt 0 ] && [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then
+ if [ $reorder_delay -gt 0 ] && [ $reorder1 -lt 100 ] && [ $reorder2 -gt 0 ]; then
tc_reorder="reorder ${reorder1}% ${reorder2}%"
- echo -n "$tc_reorder "
+ echo -n "$tc_reorder with delay ${reorder_delay}ms "
fi
elif [ "$tc_reorder" = "0" ];then
tc_reorder=""
-elif [ "$tc_delay" -gt 0 ];then
+elif [ "$reorder_delay" -gt 0 ];then
# reordering requires some delay
tc_reorder="reorder $tc_reorder"
- echo -n "$tc_reorder "
+ echo -n "$tc_reorder with delay ${reorder_delay}ms "
fi
echo "on ns3eth4"
-tc -net "$ns3" qdisc add dev ns3eth4 root netem delay ${tc_delay}ms $tc_reorder
+tc -net "$ns3" qdisc add dev ns3eth4 root netem delay ${reorder_delay}ms $tc_reorder
for sender in $ns1 $ns2 $ns3 $ns4;do
run_tests_lo "$ns1" "$sender" 10.0.1.1 1
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