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|
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# 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
#
# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4
# 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 $ksft_skip
fi
ip link set "$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 $ksft_skip
fi
# TODO what ipaddr to set ? DHCP ?
echo "SKIP: $netdev: set IP address"
return $ksft_skip
}
# 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"
return $ksft_skip
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 $ksft_skip
fi
TMP_ETHTOOL_FEATURES="$(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 $ksft_skip
fi
ip link show 2>/dev/null >/dev/null
if [ $? -ne 0 ];then
echo "SKIP: Could not run test without the ip tool"
exit $ksft_skip
fi
TMP_LIST_NETDEV="$(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
|
