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 interf
6 #
7 # We assume that all network driver are loaded
8 # if not they probably have failed earlier in
9 #
10
11 # Kselftest framework requirement - SKIP code
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
24 return $ksft_skip
25 fi
26
27 ip link set "$netdev" up
28 if [ $? -ne 0 ];then
29 echo "FAIL: $netdev: Fail to u
30 return 1
31 else
32 echo "PASS: $netdev: set inter
33 NETDEV_STARTED=1
34 fi
35 return 0
36 }
37
38 # this function will try to setup an IP and MA
39 # Doing nothing if the interface was already u
40 # arg1: network interface name
41 kci_net_setup()
42 {
43 netdev=$1
44
45 # do nothing if the interface was alre
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 $netdev address "$MACA
52 if [ $? -ne 0 ];then
53 echo "FAIL: $netdev: Cannot se
54 else
55 ip link show $netdev |grep -q
56 if [ $? -eq 0 ];then
57 echo "PASS: $netdev: s
58 else
59 echo "FAIL: $netdev: C
60 fi
61 fi
62
63 #check that the interface did not alre
64 ip address show "$netdev" |grep '^[[:s
65 if [ $? -eq 0 ];then
66 echo "SKIP: $netdev: already h
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 eth
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:
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: e
90 return $ksft_skip
91 else
92 echo "FAIL: $netdev: e
93 return 1
94 fi
95 else
96 echo "PASS: $netdev: ethtool $
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/nu
109 if [ $? -ne 0 ];then
110 echo "SKIP: ethtool not presen
111 return $ksft_skip
112 fi
113
114 TMP_ETHTOOL_FEATURES="$(mktemp)"
115 if [ ! -e "$TMP_ETHTOOL_FEATURES" ];th
116 echo "SKIP: Cannot create a tm
117 return 1
118 fi
119
120 ethtool -k "$netdev" > "$TMP_ETHTOOL_F
121 if [ $? -ne 0 ];then
122 echo "FAIL: $netdev: ethtool l
123 rm "$TMP_ETHTOOL_FEATURES"
124 return 1
125 fi
126 echo "PASS: $netdev: ethtool list feat
127 #TODO for each non fixed features, try
128 rm "$TMP_ETHTOOL_FEATURES"
129
130 kci_netdev_ethtool_test 74 'dump' "eth
131 kci_netdev_ethtool_test 94 'stats' "et
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: $netdev: interface
143 return 0
144 fi
145
146 ip link set "$netdev" down
147 if [ $? -ne 0 ];then
148 echo "FAIL: $netdev: stop inte
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 $1 | cut
167 fi
168
169 NETDEV_STARTED=0
170 kci_net_start "$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
189 exit $ksft_skip
190 fi
191
192 TMP_LIST_NETDEV="$(mktemp)"
193 if [ ! -e "$TMP_LIST_NETDEV" ];then
194 echo "FAIL: Cannot create a tmp file"
195 exit 1
196 fi
197
198 ip link show |grep '^[0-9]' | grep -oE '[[:spa
199 while read netdev
200 do
201 kci_test_netdev "$netdev"
202 done < "$TMP_LIST_NETDEV"
203
204 rm "$TMP_LIST_NETDEV"
205 exit 0
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