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/route_localnet.sh (1871B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Run a couple of tests when route_localnet = 1.

readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"

setup() {
    ip netns add "${PEER_NS}"
    ip -netns "${PEER_NS}" link set dev lo up
    ip link add name veth0 type veth peer name veth1
    ip link set dev veth0 up
    ip link set dev veth1 netns "${PEER_NS}"

# Enable route_localnet and delete useless route 127.0.0.0/8.
    sysctl -w net.ipv4.conf.veth0.route_localnet=1
    ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.route_localnet=1
    ip route del 127.0.0.0/8 dev lo table local
    ip netns exec "${PEER_NS}" ip route del 127.0.0.0/8 dev lo table local

ifconfig veth0 127.25.3.4/24 up
    ip netns exec "${PEER_NS}" ifconfig veth1 127.25.3.14/24 up

ip route flush cache
    ip netns exec "${PEER_NS}" ip route flush cache
}

cleanup() {
    ip link del veth0
    ip route add local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1
    local -r ns="$(ip netns list|grep $PEER_NS)"
    [ -n "$ns" ] && ip netns del $ns 2>/dev/null
}

# Run test when arp_announce = 2.
run_arp_announce_test() {
    echo "run arp_announce test"
    setup

sysctl -w net.ipv4.conf.veth0.arp_announce=2
    ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_announce=2
    ping -c5 -I veth0 127.25.3.14
    if [ $? -ne 0 ];then
        echo "failed"
    else
        echo "ok"
    fi

cleanup
}

# Run test when arp_ignore = 3.
run_arp_ignore_test() {
    echo "run arp_ignore test"
    setup

sysctl -w net.ipv4.conf.veth0.arp_ignore=3
    ip netns exec "${PEER_NS}" sysctl -w net.ipv4.conf.veth1.arp_ignore=3
    ping -c5 -I veth0 127.25.3.14
    if [ $? -ne 0 ];then
        echo "failed"
    else
        echo "ok"
    fi

cleanup
}

run_all_tests() {
    run_arp_announce_test
    run_arp_ignore_test
}

run_all_tests

cmd: