summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/net/rtnetlink.sh
blob: 84b4acf5baa9834deb7615e54d1c93a6c9cc84ad (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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
#!/bin/sh
#
# This test is for checking rtnetlink callpaths, and get as much coverage as possible.
#
# set -e

devdummy="test-dummy0"
ret=0

# set global exit status, but never reset nonzero one.
check_err()
{
	if [ $ret -eq 0 ]; then
		ret=$1
	fi
}

kci_add_dummy()
{
	ip link add name "$devdummy" type dummy
	check_err $?
	ip link set "$devdummy" up
	check_err $?
}

kci_del_dummy()
{
	ip link del dev "$devdummy"
	check_err $?
}

# add a bridge with vlans on top
kci_test_bridge()
{
	devbr="test-br0"
	vlandev="testbr-vlan1"

	ret=0
	ip link add name "$devbr" type bridge
	check_err $?

	ip link set dev "$devdummy" master "$devbr"
	check_err $?

	ip link set "$devbr" up
	check_err $?

	ip link add link "$devbr" name "$vlandev" type vlan id 1
	check_err $?
	ip addr add dev "$vlandev" 10.200.7.23/30
	check_err $?
	ip -6 addr add dev "$vlandev" dead:42::1234/64
	check_err $?
	ip -d link > /dev/null
	check_err $?
	ip r s t all > /dev/null
	check_err $?
	ip -6 addr del dev "$vlandev" dead:42::1234/64
	check_err $?

	ip link del dev "$vlandev"
	check_err $?
	ip link del dev "$devbr"
	check_err $?

	if [ $ret -ne 0 ];then
		echo "FAIL: bridge setup"
		return 1
	fi
	echo "PASS: bridge setup"

}

kci_test_gre()
{
	gredev=neta
	rem=10.42.42.1
	loc=10.0.0.1

	ret=0
	ip tunnel add $gredev mode gre remote $rem local $loc ttl 1
	check_err $?
	ip link set $gredev up
	check_err $?
	ip addr add 10.23.7.10 dev $gredev
	check_err $?
	ip route add 10.23.8.0/30 dev $gredev
	check_err $?
	ip addr add dev "$devdummy" 10.23.7.11/24
	check_err $?
	ip link > /dev/null
	check_err $?
	ip addr > /dev/null
	check_err $?
	ip addr del dev "$devdummy" 10.23.7.11/24
	check_err $?

	ip link del $gredev
	check_err $?

	if [ $ret -ne 0 ];then
		echo "FAIL: gre tunnel endpoint"
		return 1
	fi
	echo "PASS: gre tunnel endpoint"
}

# tc uses rtnetlink too, for full tc testing
# please see tools/testing/selftests/tc-testing.
kci_test_tc()
{
	dev=lo
	ret=0

	tc qdisc add dev "$dev" root handle 1: htb
	check_err $?
	tc class add dev "$dev" parent 1: classid 1:10 htb rate 1mbit
	check_err $?
	tc filter add dev "$dev" parent 1:0 prio 5 handle ffe: protocol ip u32 divisor 256
	check_err $?
	tc filter add dev "$dev" parent 1:0 prio 5 handle ffd: protocol ip u32 divisor 256
	check_err $?
	tc filter add dev "$dev" parent 1:0 prio 5 handle ffc: protocol ip u32 divisor 256
	check_err $?
	tc filter add dev "$dev" protocol ip parent 1: prio 5 handle ffe:2:3 u32 ht ffe:2: match ip src 10.0.0.3 flowid 1:10
	check_err $?
	tc filter add dev "$dev" protocol ip parent 1: prio 5 handle ffe:2:2 u32 ht ffe:2: match ip src 10.0.0.2 flowid 1:10
	check_err $?
	tc filter show dev "$dev" parent  1:0 > /dev/null
	check_err $?
	tc filter del dev "$dev" protocol ip parent 1: prio 5 handle ffe:2:3 u32
	check_err $?
	tc filter show dev "$dev" parent  1:0 > /dev/null
	check_err $?
	tc qdisc del dev "$dev" root handle 1: htb
	check_err $?

	if [ $ret -ne 0 ];then
		echo "FAIL: tc htb hierarchy"
		return 1
	fi
	echo "PASS: tc htb hierarchy"

}

kci_test_polrouting()
{
	ret=0
	ip rule add fwmark 1 lookup 100
	check_err $?
	ip route add local 0.0.0.0/0 dev lo table 100
	check_err $?
	ip r s t all > /dev/null
	check_err $?
	ip rule del fwmark 1 lookup 100
	check_err $?
	ip route del local 0.0.0.0/0 dev lo table 100
	check_err $?

	if [ $ret -ne 0 ];then
		echo "FAIL: policy route test"
		return 1
	fi
	echo "PASS: policy routing"
}

kci_test_route_get()
{
	ret=0

	ip route get 127.0.0.1 > /dev/null
	check_err $?
	ip route get 127.0.0.1 dev "$devdummy" > /dev/null
	check_err $?
	ip route get ::1 > /dev/null
	check_err $?
	ip route get fe80::1 dev "$devdummy" > /dev/null
	check_err $?
	ip route get 127.0.0.1 from 127.0.0.1 oif lo tos 0x1 mark 0x1 > /dev/null
	check_err $?
	ip route get ::1 from ::1 iif lo oif lo tos 0x1 mark 0x1 > /dev/null
	check_err $?
	ip addr add dev "$devdummy" 10.23.7.11/24
	check_err $?
	ip route get 10.23.7.11 from 10.23.7.12 iif "$devdummy" > /dev/null
	check_err $?
	ip addr del dev "$devdummy" 10.23.7.11/24
	check_err $?

	if [ $ret -ne 0 ];then
		echo "FAIL: route get"
		return 1
	fi

	echo "PASS: route get"
}

kci_test_rtnl()
{
	kci_add_dummy
	if [ $ret -ne 0 ];then
		echo "FAIL: cannot add dummy interface"
		return 1
	fi

	kci_test_polrouting
	kci_test_route_get
	kci_test_tc
	kci_test_gre
	kci_test_bridge

	kci_del_dummy
}

#check for needed privileges
if [ "$(id -u)" -ne 0 ];then
	echo "SKIP: Need root privileges"
	exit 0
fi

for x in ip tc;do
	$x -Version 2>/dev/null >/dev/null
	if [ $? -ne 0 ];then
		echo "SKIP: Could not run test without the $x tool"
		exit 0
	fi
done

kci_test_rtnl

exit $ret