1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # This test is for checking network interface
5 # For the moment it tests only ethernet interface (but wifi could be easily added)
6 #
7 # We assume that all network driver are loaded
8 # if not they probably have failed earlier in the boot process and their logged error will be catched by another test
9 #
10
11 # Kselftest framework requirement - SKIP code is 4.
12 ksft_skip=4
13
14 # this function will try to up the interface
15 # if already up, nothing done
16 # arg1: network interface name
17 kci_net_start()
18 {
19 netdev=$1
20
21 ip link show "$netdev" |grep -q UP
22 if [ $? -eq 0 ];then
23 echo "SKIP: $netdev: interface already up"
24 return $ksft_skip
25 fi
26
27 ip link set "$netdev" up
28 if [ $? -ne 0 ];then
29 echo "FAIL: $netdev: Fail to up interface"
30 return 1
31 else
32 echo "PASS: $netdev: set interface up"
33 NETDEV_STARTED=1
34 fi
35 return 0
36 }
37
38 # this function will try to setup an IP and MAC address on a network interface
39 # Doing nothing if the interface was already up
40 # arg1: network interface name
41 kci_net_setup()
42 {
43 netdev=$1
44
45 # do nothing if the interface was already up
46 if [ $NETDEV_STARTED -eq 0 ];then
47 return 0
48 fi
49
50 MACADDR='02:03:04:05:06:07'
51 ip link set dev $netdev address "$MACADDR"
52 if [ $? -ne 0 ];then
53 echo "FAIL: $netdev: Cannot set MAC address"
54 else
55 ip link show $netdev |grep -q "$MACADDR"
56 if [ $? -eq 0 ];then
57 echo "PASS: $netdev: set MAC address"
58 else
59 echo "FAIL: $netdev: Cannot set MAC address"
60 fi
61 fi
62
63 #check that the interface did not already have an IP
64 ip address show "$netdev" |grep '^[[:space:]]*inet'
65 if [ $? -eq 0 ];then
66 echo "SKIP: $netdev: already have an IP"
67 return $ksft_skip
68 fi
69
70 # TODO what ipaddr to set ? DHCP ?
71 echo "SKIP: $netdev: set IP address"
72 return $ksft_skip
73 }
74
75 # test an ethtool command
76 # arg1: return code for not supported (see ethtool code source)
77 # arg2: summary of the command
78 # arg3: command to execute
79 kci_netdev_ethtool_test()
80 {
81 if [ $# -le 2 ];then
82 echo "SKIP: $netdev: ethtool: invalid number of arguments"
83 return 1
84 fi
85 $3 >/dev/null
86 ret=$?
87 if [ $ret -ne 0 ];then
88 if [ $ret -eq "$1" ];then
89 echo "SKIP: $netdev: ethtool $2 not supported"
90 return $ksft_skip
91 else
92 echo "FAIL: $netdev: ethtool $2"
93 return 1
94 fi
95 else
96 echo "PASS: $netdev: ethtool $2"
97 fi
98 return 0
99 }
100
101 # test ethtool commands
102 # arg1: network interface name
103 kci_netdev_ethtool()
104 {
105 netdev=$1
106
107 #check presence of ethtool
108 ethtool --version 2>/dev/null >/dev/null
109 if [ $? -ne 0 ];then
110 echo "SKIP: ethtool not present"
111 return $ksft_skip
112 fi
113
114 TMP_ETHTOOL_FEATURES="$(mktemp)"
115 if [ ! -e "$TMP_ETHTOOL_FEATURES" ];then
116 echo "SKIP: Cannot create a tmp file"
117 return 1
118 fi
119
120 ethtool -k "$netdev" > "$TMP_ETHTOOL_FEATURES"
121 if [ $? -ne 0 ];then
122 echo "FAIL: $netdev: ethtool list features"
123 rm "$TMP_ETHTOOL_FEATURES"
124 return 1
125 fi
126 echo "PASS: $netdev: ethtool list features"
127 #TODO for each non fixed features, try to turn them on/off
128 rm "$TMP_ETHTOOL_FEATURES"
129
130 kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev"
131 kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev"
132 return 0
133 }
134
135 # stop a netdev
136 # arg1: network interface name
137 kci_netdev_stop()
138 {
139 netdev=$1
140
141 if [ $NETDEV_STARTED -eq 0 ];then
142 echo "SKIP: $netdev: interface kept up"
143 return 0
144 fi
145
146 ip link set "$netdev" down
147 if [ $? -ne 0 ];then
148 echo "FAIL: $netdev: stop interface"
149 return 1
150 fi
151 echo "PASS: $netdev: stop interface"
152 return 0
153 }
154
155 # run all test on a netdev
156 # arg1: network interface name
157 kci_test_netdev()
158 {
159 NETDEV_STARTED=0
160 IFACE_TO_UPDOWN="$1"
161 IFACE_TO_TEST="$1"
162 #check for VLAN interface
163 MASTER_IFACE="$(echo $1 | cut -d@ -f2)"
164 if [ ! -z "$MASTER_IFACE" ];then
165 IFACE_TO_UPDOWN="$MASTER_IFACE"
166 IFACE_TO_TEST="$(echo $1 | cut -d@ -f1)"
167 fi
168
169 NETDEV_STARTED=0
170 kci_net_start "$IFACE_TO_UPDOWN"
171
172 kci_net_setup "$IFACE_TO_TEST"
173
174 kci_netdev_ethtool "$IFACE_TO_TEST"
175
176 kci_netdev_stop "$IFACE_TO_UPDOWN"
177 return 0
178 }
179
180 #check for needed privileges
181 if [ "$(id -u)" -ne 0 ];then
182 echo "SKIP: Need root privileges"
183 exit $ksft_skip
184 fi
185
186 ip link show 2>/dev/null >/dev/null
187 if [ $? -ne 0 ];then
188 echo "SKIP: Could not run test without the ip tool"
189 exit $ksft_skip
190 fi
191
192 TMP_LIST_NETDEV="$(mktemp)"
193 if [ ! -e "$TMP_LIST_NETDEV" ];then
194 echo "FAIL: Cannot create a tmp file"
195 exit 1
196 fi
197
198 ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\ -f2 | cut -d: -f1> "$TMP_LIST_NETDEV"
199 while read netdev
200 do
201 kci_test_netdev "$netdev"
202 done < "$TMP_LIST_NETDEV"
203
204 rm "$TMP_LIST_NETDEV"
205 exit 0
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