FM / net

/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/fib_nexthop_nongw.sh (2327B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# ns: h1               | ns: h2
#   192.168.0.1/24     |
#            eth0      |
#                      |       192.168.1.1/32
#            veth0 <---|---> veth1
# Validate source address selection for route without gateway

PAUSE_ON_FAIL=no
VERBOSE=0
ret=0

################################################################################
# helpers

log_test()
{
	local rc=$1
	local expected=$2
	local msg="$3"

if [ ${rc} -eq ${expected} ]; then
		printf "TEST: %-60s  [ OK ]\n" "${msg}"
		nsuccess=$((nsuccess+1))
	else
		ret=1
		nfail=$((nfail+1))
		printf "TEST: %-60s  [FAIL]\n" "${msg}"
		if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
			echo
			echo "hit enter to continue, 'q' to quit"
			read a
			[ "$a" = "q" ] && exit 1
		fi
	fi

[ "$VERBOSE" = "1" ] && echo
}

run_cmd()
{
	local cmd="$*"
	local out
	local rc

if [ "$VERBOSE" = "1" ]; then
		echo "COMMAND: $cmd"
	fi

out=$(eval $cmd 2>&1)
	rc=$?
	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
		echo "$out"
	fi

[ "$VERBOSE" = "1" ] && echo

return $rc
}

################################################################################
# config
setup()
{
	ip netns add h1
	ip -n h1 link set lo up
	ip netns add h2
	ip -n h2 link set lo up

# Add a fake eth0 to support an ip address
	ip -n h1 link add name eth0 type dummy
	ip -n h1 link set eth0 up
	ip -n h1 address add 192.168.0.1/24 dev eth0

# Configure veths (same @mac, arp off)
	ip -n h1 link add name veth0 type veth peer name veth1 netns h2
	ip -n h1 link set veth0 up

ip -n h2 link set veth1 up

# Configure @IP in the peer netns
	ip -n h2 address add 192.168.1.1/32 dev veth1
	ip -n h2 route add default dev veth1

# Add a nexthop without @gw and use it in a route
	ip -n h1 nexthop add id 1 dev veth0
	ip -n h1 route add 192.168.1.1 nhid 1
}

cleanup()
{
	ip netns del h1 2>/dev/null
	ip netns del h2 2>/dev/null
}

trap cleanup EXIT

################################################################################
# main

while getopts :pv o
do
	case $o in
		p) PAUSE_ON_FAIL=yes;;
		v) VERBOSE=1;;
	esac
done

cleanup
setup

run_cmd ip -netns h1 route get 192.168.1.1
log_test $? 0 "nexthop: get route with nexthop without gw"
run_cmd ip netns exec h1 ping -c1 192.168.1.1
log_test $? 0 "nexthop: ping through nexthop without gw"

exit $ret

cmd: