projects/linux·blob master · refs

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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.
12ksft_skip=4
13
14# this function will try to up the interface
15# if already up, nothing done
16# arg1: network interface name
17kci_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
41kci_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 $ksft_skip
68 fi
69
70 if [ "$veth_created" ]; then
71 echo "XFAIL: $netdev: set IP address unsupported for veth*"
72 else
73 # TODO what ipaddr to set ? DHCP ?
74 echo "SKIP: $netdev: set IP address"
75 fi
76 return $ksft_skip
77}
78
79# test an ethtool command
80# arg1: return code for not supported (see ethtool code source)
81# arg2: summary of the command
82# arg3: command to execute
83kci_netdev_ethtool_test()
84{
85 if [ $# -le 2 ];then
86 echo "SKIP: $netdev: ethtool: invalid number of arguments"
87 return 1
88 fi
89 $3 >/dev/null
90 ret=$?
91 if [ $ret -ne 0 ];then
92 if [ $ret -eq "$1" ];then
93 echo "XFAIL: $netdev: ethtool $2 not supported"
94 return $ksft_skip
95 else
96 echo "FAIL: $netdev: ethtool $2"
97 return 1
98 fi
99 else
100 echo "PASS: $netdev: ethtool $2"
101 fi
102 return 0
103}
104
105# test ethtool commands
106# arg1: network interface name
107kci_netdev_ethtool()
108{
109 netdev=$1
110
111 #check presence of ethtool
112 ethtool --version 2>/dev/null >/dev/null
113 if [ $? -ne 0 ];then
114 echo "SKIP: ethtool not present"
115 return $ksft_skip
116 fi
117
118 TMP_ETHTOOL_FEATURES="$(mktemp)"
119 if [ ! -e "$TMP_ETHTOOL_FEATURES" ];then
120 echo "SKIP: Cannot create a tmp file"
121 return 1
122 fi
123
124 ethtool -k "$netdev" > "$TMP_ETHTOOL_FEATURES"
125 if [ $? -ne 0 ];then
126 echo "FAIL: $netdev: ethtool list features"
127 rm "$TMP_ETHTOOL_FEATURES"
128 return 1
129 fi
130 echo "PASS: $netdev: ethtool list features"
131
132 while read -r FEATURE VALUE FIXED; do
133 [ "$FEATURE" != "Features" ] || continue # Skip "Features"
134 [ "$FIXED" != "[fixed]" ] || continue # Skip fixed features
135 feature="${FEATURE%:*}"
136
137 ethtool --offload "$netdev" "$feature" off
138 if [ $? -eq 0 ]; then
139 echo "PASS: $netdev: Turned off feature: $feature"
140 else
141 echo "FAIL: $netdev: Failed to turn off feature:" \
142 "$feature"
143 fi
144
145 ethtool --offload "$netdev" "$feature" on
146 if [ $? -eq 0 ]; then
147 echo "PASS: $netdev: Turned on feature: $feature"
148 else
149 echo "FAIL: $netdev: Failed to turn on feature:" \
150 "$feature"
151 fi
152
153 #restore the feature to its initial state
154 ethtool --offload "$netdev" "$feature" "$VALUE"
155 if [ $? -eq 0 ]; then
156 echo "PASS: $netdev: Restore feature $feature" \
157 "to initial state $VALUE"
158 else
159 echo "FAIL: $netdev: Failed to restore feature" \
160 "$feature to initial state $VALUE"
161 fi
162
163 done < "$TMP_ETHTOOL_FEATURES"
164
165 rm "$TMP_ETHTOOL_FEATURES"
166
167 kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev"
168 kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev"
169
170 return 0
171}
172
173# stop a netdev
174# arg1: network interface name
175kci_netdev_stop()
176{
177 netdev=$1
178
179 if [ $NETDEV_STARTED -eq 0 ];then
180 echo "SKIP: $netdev: interface kept up"
181 return 0
182 fi
183
184 ip link set "$netdev" down
185 if [ $? -ne 0 ];then
186 echo "FAIL: $netdev: stop interface"
187 return 1
188 fi
189 echo "PASS: $netdev: stop interface"
190 return 0
191}
192
193# run all test on a netdev
194# arg1: network interface name
195kci_test_netdev()
196{
197 NETDEV_STARTED=0
198 IFACE_TO_UPDOWN="$1"
199 IFACE_TO_TEST="$1"
200 #check for VLAN interface
201 MASTER_IFACE="$(echo $1 | cut -d@ -f2)"
202 if [ ! -z "$MASTER_IFACE" ];then
203 IFACE_TO_UPDOWN="$MASTER_IFACE"
204 IFACE_TO_TEST="$(echo $1 | cut -d@ -f1)"
205 fi
206
207 NETDEV_STARTED=0
208 kci_net_start "$IFACE_TO_UPDOWN"
209
210 kci_net_setup "$IFACE_TO_TEST"
211
212 kci_netdev_ethtool "$IFACE_TO_TEST"
213
214 kci_netdev_stop "$IFACE_TO_UPDOWN"
215 return 0
216}
217
218#check for needed privileges
219if [ "$(id -u)" -ne 0 ];then
220 echo "SKIP: Need root privileges"
221 exit $ksft_skip
222fi
223
224ip link show 2>/dev/null >/dev/null
225if [ $? -ne 0 ];then
226 echo "SKIP: Could not run test without the ip tool"
227 exit $ksft_skip
228fi
229
230TMP_LIST_NETDEV="$(mktemp)"
231if [ ! -e "$TMP_LIST_NETDEV" ];then
232 echo "FAIL: Cannot create a tmp file"
233 exit 1
234fi
235
236ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\ -f2 | cut -d: -f1> "$TMP_LIST_NETDEV"
237
238if [ ! -s "$TMP_LIST_NETDEV" ]; then
239 echo "No valid network device found, creating veth pair"
240 ip link add veth0 type veth peer name veth1
241 echo "veth0" > "$TMP_LIST_NETDEV"
242 veth_created=1
243fi
244
245while read netdev
246do
247 kci_test_netdev "$netdev"
248done < "$TMP_LIST_NETDEV"
249
250#clean up veth interface pair if it was created
251if [ "$veth_created" ]; then
252 ip link delete veth0
253 echo "Removed veth pair"
254fi
255
256rm "$TMP_LIST_NETDEV"
257exit 0