selftests: add a generic testsuite for ethernet device

This patch add a generic testsuite for testing ethernet network device driver.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile
index fbfe5d0d5c2e05028e6af86d8db76d95e41c4fc5..35cbb4cba4109551cc14beabcba39dff5d22e85c 100644 (file)
--- a/tools/testing/selftests/net/Makefile
+++ b/tools/testing/selftests/net/Makefile
@@ -5,7 +5,7 @@ CFLAGS += -I../../../../usr/include/
 
 reuseport_bpf_numa: LDFLAGS += -lnuma
 
-TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh
+TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh
 TEST_GEN_FILES =  socket
 TEST_GEN_FILES += psock_fanout psock_tpacket
 TEST_GEN_FILES += reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa

diff --git a/tools/testing/selftests/net/netdevice.sh b/tools/testing/selftests/net/netdevice.sh
new file mode 100755 (executable)
index 0000000..4e00568
--- /dev/null
+++ b/tools/testing/selftests/net/netdevice.sh
@@ -0,0 +1,200 @@
+#!/bin/sh
+#
+# This test is for checking network interface
+# For the moment it tests only ethernet interface (but wifi could be easily added)
+#
+# We assume that all network driver are loaded
+# if not they probably have failed earlier in the boot process and their logged error will be catched by another test
+#
+
+# this function will try to up the interface
+# if already up, nothing done
+# arg1: network interface name
+kci_net_start()
+{
+       netdev=$1
+
+       ip link show "$netdev" |grep -q UP
+       if [ $? -eq 0 ];then
+               echo "SKIP: $netdev: interface already up"
+               return 0
+       fi
+
+       ip link set "$netdev" up
+       if [ $? -ne 0 ];then
+               echo "FAIL: $netdev: Fail to up interface"
+               return 1
+       else
+               echo "PASS: $netdev: set interface up"
+               NETDEV_STARTED=1
+       fi
+       return 0
+}
+
+# this function will try to setup an IP and MAC address on a network interface
+# Doing nothing if the interface was already up
+# arg1: network interface name
+kci_net_setup()
+{
+       netdev=$1
+
+       # do nothing if the interface was already up
+       if [ $NETDEV_STARTED -eq 0 ];then
+               return 0
+       fi
+
+       MACADDR='02:03:04:05:06:07'
+       ip link set dev $netdev address "$MACADDR"
+       if [ $? -ne 0 ];then
+               echo "FAIL: $netdev: Cannot set MAC address"
+       else
+               ip link show $netdev |grep -q "$MACADDR"
+               if [ $? -eq 0 ];then
+                       echo "PASS: $netdev: set MAC address"
+               else
+                       echo "FAIL: $netdev: Cannot set MAC address"
+               fi
+       fi
+
+       #check that the interface did not already have an IP
+       ip address show "$netdev" |grep '^[[:space:]]*inet'
+       if [ $? -eq 0 ];then
+               echo "SKIP: $netdev: already have an IP"
+               return 0
+       fi
+
+       # TODO what ipaddr to set ? DHCP ?
+       echo "SKIP: $netdev: set IP address"
+       return 0
+}
+
+# test an ethtool command
+# arg1: return code for not supported (see ethtool code source)
+# arg2: summary of the command
+# arg3: command to execute
+kci_netdev_ethtool_test()
+{
+       if [ $# -le 2 ];then
+               echo "SKIP: $netdev: ethtool: invalid number of arguments"
+               return 1
+       fi
+       $3 >/dev/null
+       ret=$?
+       if [ $ret -ne 0 ];then
+               if [ $ret -eq "$1" ];then
+                       echo "SKIP: $netdev: ethtool $2 not supported"
+               else
+                       echo "FAIL: $netdev: ethtool $2"
+                       return 1
+               fi
+       else
+               echo "PASS: $netdev: ethtool $2"
+       fi
+       return 0
+}
+
+# test ethtool commands
+# arg1: network interface name
+kci_netdev_ethtool()
+{
+       netdev=$1
+
+       #check presence of ethtool
+       ethtool --version 2>/dev/null >/dev/null
+       if [ $? -ne 0 ];then
+               echo "SKIP: ethtool not present"
+               return 1
+       fi
+
+       TMP_ETHTOOL_FEATURES="$(mktemp)"
+       if [ ! -e "$TMP_ETHTOOL_FEATURES" ];then
+               echo "SKIP: Cannot create a tmp file"
+               return 1
+       fi
+
+       ethtool -k "$netdev" > "$TMP_ETHTOOL_FEATURES"
+       if [ $? -ne 0 ];then
+               echo "FAIL: $netdev: ethtool list features"
+               rm "$TMP_ETHTOOL_FEATURES"
+               return 1
+       fi
+       echo "PASS: $netdev: ethtool list features"
+       #TODO for each non fixed features, try to turn them on/off
+       rm "$TMP_ETHTOOL_FEATURES"
+
+       kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev"
+       kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev"
+       return 0
+}
+
+# stop a netdev
+# arg1: network interface name
+kci_netdev_stop()
+{
+       netdev=$1
+
+       if [ $NETDEV_STARTED -eq 0 ];then
+               echo "SKIP: $netdev: interface kept up"
+               return 0
+       fi
+
+       ip link set "$netdev" down
+       if [ $? -ne 0 ];then
+               echo "FAIL: $netdev: stop interface"
+               return 1
+       fi
+       echo "PASS: $netdev: stop interface"
+       return 0
+}
+
+# run all test on a netdev
+# arg1: network interface name
+kci_test_netdev()
+{
+       NETDEV_STARTED=0
+       IFACE_TO_UPDOWN="$1"
+       IFACE_TO_TEST="$1"
+       #check for VLAN interface
+       MASTER_IFACE="$(echo $1 | cut -d@ -f2)"
+       if [ ! -z "$MASTER_IFACE" ];then
+               IFACE_TO_UPDOWN="$MASTER_IFACE"
+               IFACE_TO_TEST="$(echo $1 | cut -d@ -f1)"
+       fi
+
+       NETDEV_STARTED=0
+       kci_net_start "$IFACE_TO_UPDOWN"
+
+       kci_net_setup "$IFACE_TO_TEST"
+
+       kci_netdev_ethtool "$IFACE_TO_TEST"
+
+       kci_netdev_stop "$IFACE_TO_UPDOWN"
+       return 0
+}
+
+#check for needed privileges
+if [ "$(id -u)" -ne 0 ];then
+       echo "SKIP: Need root privileges"
+       exit 0
+fi
+
+ip -Version 2>/dev/null >/dev/null
+if [ $? -ne 0 ];then
+       echo "SKIP: Could not run test without the ip tool"
+       exit 0
+fi
+
+TMP_LIST_NETDEV="$(mktemp)"
+if [ ! -e "$TMP_LIST_NETDEV" ];then
+       echo "FAIL: Cannot create a tmp file"
+       exit 1
+fi
+
+ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\  -f2 | cut -d: -f1> "$TMP_LIST_NETDEV"
+while read netdev
+do
+       kci_test_netdev "$netdev"
+done < "$TMP_LIST_NETDEV"
+
+rm "$TMP_LIST_NETDEV"
+exit 0