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/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/net/

/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/net

Name	Size	Mode	Actions
af_unix/	-	0755	rm
forwarding/	-	0755	rm
mptcp/	-	0755	rm
altnames.sh	1817	0755	edit dl rm
bareudp.sh	21290	0755	edit dl rm
drop_monitor_tests.sh	4439	0755	edit dl rm
fcnal-test.sh	103221	0755	edit dl rm
fib-onlink-tests.sh	12409	0755	edit dl rm
fib_nexthops.sh	68003	0755	edit dl rm
fib_nexthop_multiprefix.sh	5870	0755	edit dl rm
fib_nexthop_nongw.sh	2327	0755	edit dl rm
fib_rule_tests.sh	5981	0755	edit dl rm
fib_tests.sh	57224	0755	edit dl rm
fin_ack_lat.sh	507	0755	edit dl rm
gre_gso.sh	4237	0755	edit dl rm
gro.sh	2132	0755	edit dl rm
icmp.sh	2618	0755	edit dl rm
icmp_redirect.sh	12820	0755	edit dl rm
in_netns.sh	323	0755	edit dl rm
ioam6.sh	25962	0755	edit dl rm
ip6_gre_headroom.sh	1400	0755	edit dl rm
ipv6_flowlabel.sh	502	0755	edit dl rm
ip_defrag.sh	2087	0755	edit dl rm
l2tp.sh	9909	0755	edit dl rm
lib.sh	597	0644	edit dl rm
Makefile	2499	0644	edit dl rm
msg_zerocopy.sh	3012	0755	edit dl rm
netdevice.sh	4521	0755	edit dl rm
net_helper.sh	514	0644	edit dl rm
pmtu.sh	74711	0755	edit dl rm
psock_snd.sh	2252	0755	edit dl rm
reuseaddr_ports_exhausted.sh	635	0755	edit dl rm
reuseport_addr_any.sh	81	0755	edit dl rm
route_localnet.sh	1871	0755	edit dl rm
rtnetlink.sh	29476	0755	edit dl rm
rxtimestamp.sh	79	0755	edit dl rm
setup_loopback.sh	2654	0644	edit dl rm
setup_veth.sh	929	0644	edit dl rm
so_txtime.sh	2434	0755	edit dl rm
srv6_end_dt4_l3vpn_test.sh	17454	0755	edit dl rm
srv6_end_dt6_l3vpn_test.sh	17615	0755	edit dl rm
srv6_end_dt46_l3vpn_test.sh	21121	0755	edit dl rm
tcp_fastopen_backup_key.sh	1086	0755	edit dl rm
test_blackhole_dev.sh	280	0755	edit dl rm
test_bpf.sh	225	0755	edit dl rm
test_vxlan_fdb_changelink.sh	678	0755	edit dl rm
test_vxlan_under_vrf.sh	5607	0755	edit dl rm
toeplitz.sh	4983	0755	edit dl rm
toeplitz_client.sh	667	0755	edit dl rm
traceroute.sh	7131	0755	edit dl rm
txtimestamp.sh	1702	0755	edit dl rm
udpgro.sh	5988	0755	edit dl rm
udpgro_bench.sh	2126	0755	edit dl rm
udpgro_fwd.sh	7145	0755	edit dl rm
udpgso.sh	545	0755	edit dl rm
udpgso_bench.sh	2852	0755	edit dl rm
unicast_extensions.sh	8263	0755	edit dl rm
veth.sh	10441	0755	edit dl rm
vrf-xfrm-tests.sh	10970	0755	edit dl rm
vrf_route_leaking.sh	14946	0755	edit dl rm
vrf_strict_mode_test.sh	7688	0755	edit dl rm
xfrm_policy.sh	14759	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/tools/testing/selftests/net/netdevice.sh (4521B)

#!/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

rm "$TMP_LIST_NETDEV"
exit 0

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