tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
LABBE Corentin
and committed by
David S. Miller
af0e5461
2e507e24
+201
-1
+1
-1
tools/testing/selftests/net/Makefile
+1
-1
tools/testing/selftests/net/Makefile
···
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reuseport_bpf_numa: LDFLAGS += -lnuma
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TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh
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TEST_PROGS := run_netsocktests run_afpackettests test_bpf.sh netdevice.sh
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TEST_GEN_FILES = socket
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TEST_GEN_FILES += psock_fanout psock_tpacket
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TEST_GEN_FILES += reuseport_bpf reuseport_bpf_cpu reuseport_bpf_numa
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tools/testing/selftests/net/netdevice.sh
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tools/testing/selftests/net/netdevice.sh
···
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#!/bin/sh
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#
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# This test is for checking network interface
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# For the moment it tests only ethernet interface (but wifi could be easily added)
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#
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# We assume that all network driver are loaded
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# if not they probably have failed earlier in the boot process and their logged error will be catched by another test
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#
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# this function will try to up the interface
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# if already up, nothing done
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# arg1: network interface name
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kci_net_start()
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{
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netdev=$1
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ip link show "$netdev" |grep -q UP
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if [ $? -eq 0 ];then
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echo "SKIP: $netdev: interface already up"
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return 0
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fi
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ip link set "$netdev" up
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if [ $? -ne 0 ];then
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echo "FAIL: $netdev: Fail to up interface"
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return 1
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else
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echo "PASS: $netdev: set interface up"
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NETDEV_STARTED=1
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fi
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return 0
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}
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# this function will try to setup an IP and MAC address on a network interface
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# Doing nothing if the interface was already up
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# arg1: network interface name
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kci_net_setup()
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{
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netdev=$1
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# do nothing if the interface was already up
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if [ $NETDEV_STARTED -eq 0 ];then
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return 0
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fi
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MACADDR='02:03:04:05:06:07'
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ip link set dev $netdev address "$MACADDR"
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if [ $? -ne 0 ];then
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echo "FAIL: $netdev: Cannot set MAC address"
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else
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ip link show $netdev |grep -q "$MACADDR"
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if [ $? -eq 0 ];then
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echo "PASS: $netdev: set MAC address"
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else
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echo "FAIL: $netdev: Cannot set MAC address"
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fi
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fi
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#check that the interface did not already have an IP
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ip address show "$netdev" |grep '^[[:space:]]*inet'
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if [ $? -eq 0 ];then
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echo "SKIP: $netdev: already have an IP"
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return 0
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fi
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# TODO what ipaddr to set ? DHCP ?
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echo "SKIP: $netdev: set IP address"
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return 0
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}
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# test an ethtool command
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# arg1: return code for not supported (see ethtool code source)
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# arg2: summary of the command
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# arg3: command to execute
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kci_netdev_ethtool_test()
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{
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if [ $# -le 2 ];then
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echo "SKIP: $netdev: ethtool: invalid number of arguments"
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return 1
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fi
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$3 >/dev/null
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ret=$?
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if [ $ret -ne 0 ];then
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if [ $ret -eq "$1" ];then
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echo "SKIP: $netdev: ethtool $2 not supported"
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else
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echo "FAIL: $netdev: ethtool $2"
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return 1
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fi
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else
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echo "PASS: $netdev: ethtool $2"
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fi
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return 0
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}
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# test ethtool commands
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# arg1: network interface name
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kci_netdev_ethtool()
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{
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netdev=$1
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#check presence of ethtool
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ethtool --version 2>/dev/null >/dev/null
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if [ $? -ne 0 ];then
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echo "SKIP: ethtool not present"
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return 1
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fi
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TMP_ETHTOOL_FEATURES="$(mktemp)"
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if [ ! -e "$TMP_ETHTOOL_FEATURES" ];then
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echo "SKIP: Cannot create a tmp file"
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return 1
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fi
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ethtool -k "$netdev" > "$TMP_ETHTOOL_FEATURES"
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if [ $? -ne 0 ];then
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echo "FAIL: $netdev: ethtool list features"
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rm "$TMP_ETHTOOL_FEATURES"
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return 1
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fi
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echo "PASS: $netdev: ethtool list features"
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#TODO for each non fixed features, try to turn them on/off
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rm "$TMP_ETHTOOL_FEATURES"
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kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev"
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kci_netdev_ethtool_test 94 'stats' "ethtool -S $netdev"
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return 0
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}
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# stop a netdev
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# arg1: network interface name
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kci_netdev_stop()
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{
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netdev=$1
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if [ $NETDEV_STARTED -eq 0 ];then
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echo "SKIP: $netdev: interface kept up"
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return 0
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fi
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ip link set "$netdev" down
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if [ $? -ne 0 ];then
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echo "FAIL: $netdev: stop interface"
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return 1
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fi
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echo "PASS: $netdev: stop interface"
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return 0
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}
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# run all test on a netdev
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# arg1: network interface name
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kci_test_netdev()
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{
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NETDEV_STARTED=0
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IFACE_TO_UPDOWN="$1"
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IFACE_TO_TEST="$1"
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#check for VLAN interface
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MASTER_IFACE="$(echo $1 | cut -d@ -f2)"
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if [ ! -z "$MASTER_IFACE" ];then
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IFACE_TO_UPDOWN="$MASTER_IFACE"
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IFACE_TO_TEST="$(echo $1 | cut -d@ -f1)"
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fi
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NETDEV_STARTED=0
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kci_net_start "$IFACE_TO_UPDOWN"
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kci_net_setup "$IFACE_TO_TEST"
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kci_netdev_ethtool "$IFACE_TO_TEST"
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kci_netdev_stop "$IFACE_TO_UPDOWN"
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return 0
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}
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#check for needed privileges
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if [ "$(id -u)" -ne 0 ];then
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echo "SKIP: Need root privileges"
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exit 0
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fi
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ip -Version 2>/dev/null >/dev/null
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if [ $? -ne 0 ];then
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echo "SKIP: Could not run test without the ip tool"
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exit 0
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fi
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TMP_LIST_NETDEV="$(mktemp)"
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if [ ! -e "$TMP_LIST_NETDEV" ];then
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echo "FAIL: Cannot create a tmp file"
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exit 1
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fi
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ip link show |grep '^[0-9]' | grep -oE '[[:space:]].*eth[0-9]*:|[[:space:]].*enp[0-9]s[0-9]:' | cut -d\ -f2 | cut -d: -f1> "$TMP_LIST_NETDEV"
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while read netdev
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do
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kci_test_netdev "$netdev"
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done < "$TMP_LIST_NETDEV"
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rm "$TMP_LIST_NETDEV"
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exit 0