blob: f7bb6ce68c88773ddddbf73c2534545f69e11b90 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ksft_skip=4
NS=ns
IP6=2001:db8:1::1/64
TGT6=2001:db8:1::2
TMPF=`mktemp`
cleanup()
{
rm -f $TMPF
ip netns del $NS
}
trap cleanup EXIT
NSEXE="ip netns exec $NS"
tcpdump -h | grep immediate-mode >> /dev/null
if [ $? -ne 0 ]; then
echo "SKIP - tcpdump with --immediate-mode option required"
exit $ksft_skip
fi
# Namespaces
ip netns add $NS
$NSEXE sysctl -w net.ipv4.ping_group_range='0 2147483647' > /dev/null
# Connectivity
ip -netns $NS link add type dummy
ip -netns $NS link set dev dummy0 up
ip -netns $NS addr add $IP6 dev dummy0
# Test
BAD=0
TOTAL=0
check_result() {
((TOTAL++))
if [ $1 -ne $2 ]; then
echo " Case $3 returned $1, expected $2"
((BAD++))
fi
}
# IPV6_DONTFRAG
for ovr in setsock cmsg both diff; do
for df in 0 1; do
for p in u i r; do
[ $p == "u" ] && prot=UDP
[ $p == "i" ] && prot=ICMP
[ $p == "r" ] && prot=RAW
[ $ovr == "setsock" ] && m="-F $df"
[ $ovr == "cmsg" ] && m="-f $df"
[ $ovr == "both" ] && m="-F $df -f $df"
[ $ovr == "diff" ] && m="-F $((1 - df)) -f $df"
$NSEXE ./cmsg_sender -s -S 2000 -6 -p $p $m $TGT6 1234
check_result $? $df "DONTFRAG $prot $ovr"
done
done
done
# IPV6_TCLASS
TOS=0x10
TOS2=0x20
ip -6 -netns $NS rule add tos $TOS lookup 300
ip -6 -netns $NS route add table 300 prohibit any
for ovr in setsock cmsg both diff; do
for p in u i r; do
[ $p == "u" ] && prot=UDP
[ $p == "i" ] && prot=ICMP
[ $p == "r" ] && prot=RAW
[ $ovr == "setsock" ] && m="-C"
[ $ovr == "cmsg" ] && m="-c"
[ $ovr == "both" ] && m="-C $((TOS2)) -c"
[ $ovr == "diff" ] && m="-C $((TOS )) -c"
$NSEXE nohup tcpdump --immediate-mode -p -ni dummy0 -w $TMPF -c 4 2> /dev/null &
BG=$!
sleep 0.05
$NSEXE ./cmsg_sender -6 -p $p $m $((TOS2)) $TGT6 1234
check_result $? 0 "TCLASS $prot $ovr - pass"
while [ -d /proc/$BG ]; do
$NSEXE ./cmsg_sender -6 -p u $TGT6 1234
done
tcpdump -r $TMPF -v 2>&1 | grep "class $TOS2" >> /dev/null
check_result $? 0 "TCLASS $prot $ovr - packet data"
rm $TMPF
[ $ovr == "both" ] && m="-C $((TOS )) -c"
[ $ovr == "diff" ] && m="-C $((TOS2)) -c"
$NSEXE ./cmsg_sender -6 -p $p $m $((TOS)) -s $TGT6 1234
check_result $? 1 "TCLASS $prot $ovr - rejection"
done
done
# Summary
if [ $BAD -ne 0 ]; then
echo "FAIL - $BAD/$TOTAL cases failed"
exit 1
else
echo "OK"
exit 0
fi
|
