tools/testing/selftests/net/netdevice.sh

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