xref: /linux/tools/testing/selftests/net/cmsg_time.sh (revision 6a128cdf1926b20a94d6af7d7d03b76ba19a4f8b) 
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4source lib.sh
5
6IP4=172.16.0.1/24
7TGT4=172.16.0.2
8IP6=2001:db8:1::1/64
9TGT6=2001:db8:1::2
10
11cleanup()
12{
13    cleanup_ns $NS
14}
15
16trap cleanup EXIT
17
18# Namespaces
19setup_ns NS
20
21ip netns exec $NS sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null
22
23# Connectivity
24ip -netns $NS link add type dummy
25ip -netns $NS link set dev dummy0 up
26ip -netns $NS addr add $IP4 dev dummy0
27ip -netns $NS addr add $IP6 dev dummy0
28
29# Need FQ for TXTIME
30ip netns exec $NS tc qdisc replace dev dummy0 root fq
31
32# Test
33BAD=0
34TOTAL=0
35
36check_result() {
37    local ret=$1
38    local got=$2
39    local exp=$3
40    local case=$4
41    local xfail=$5
42    local xf=
43    local inc=
44
45    if [ "$xfail" == "xfail" ]; then
46	xf="(XFAIL)"
47	inc=0
48    else
49	inc=1
50    fi
51
52    ((TOTAL++))
53    if [ $ret -ne 0 ]; then
54	echo "  Case $case returned $ret, expected 0 $xf"
55	((BAD+=inc))
56    elif [ "$2" != "$3" ]; then
57	echo "  Case $case returned '$got', expected '$exp' $xf"
58	((BAD+=inc))
59    fi
60}
61
62for i in "-4 $TGT4" "-6 $TGT6"; do
63    for p in u i r; do
64	[ $p == "u" ] && prot=UDPv${i:1:2}
65	[ $p == "i" ] && prot=ICMPv${i:1:2}
66	[ $p == "r" ] && prot=RAWv${i:1:2}
67
68	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234)
69	check_result $? "$ts" "" "$prot - no options"
70
71	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t | wc -l)
72	check_result $? "$ts" "2" "$prot - ts cnt"
73	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t |
74		 sed -n "s/.*SCHED ts0 [0-9].*/OK/p")
75	check_result $? "$ts" "OK" "$prot - ts0 SCHED"
76	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t |
77		 sed -n "s/.*SND ts0 [0-9].*/OK/p")
78	check_result $? "$ts" "OK" "$prot - ts0 SND"
79
80	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 |
81		 awk '/SND/ { if ($3 > 1000) print "OK"; }')
82	check_result $? "$ts" "OK" "$prot - TXTIME abs"
83
84	[ "$KSFT_MACHINE_SLOW" = yes ] && xfail=xfail
85
86	ts=$(ip netns exec $NS ./cmsg_sender -p $p $i 1234 -t -d 1000 |
87		 awk '/SND/ {snd=$3}
88		      /SCHED/ {sch=$3}
89		      END { if (snd - sch > 500) print "OK";
90			    else print snd, "-", sch, "<", 500; }')
91	check_result $? "$ts" "OK" "$prot - TXTIME rel" $xfail
92    done
93done
94
95# Summary
96if [ $BAD -ne 0 ]; then
97    echo "FAIL - $BAD/$TOTAL cases failed"
98    exit 1
99else
100    echo "OK"
101    exit 0
102fi
103