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3b7bc938e0ada6a791103faae261dd2a770df86d
linux/tools/testing/selftests/net
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Yuyang Huang e74058f561 selftest: Add selftest for multicast address notifications 
This commit adds a new kernel selftest to verify RTNLGRP_IPV4_MCADDR
and RTNLGRP_IPV6_MCADDR notifications. The test works by adding and
removing a dummy interface and then confirming that the system
correctly receives join and removal notifications for the 224.0.0.1
and ff02::1 multicast addresses.

The test relies on the iproute2 version to be 6.13+.

Tested by the following command:
$ vng -v --user root --cpus 16 -- \
make -C tools/testing/selftests TARGETS=net
TEST_PROGS=rtnetlink_notification.sh \
TEST_GEN_PROGS="" run_tests

Cc: Maciej Żenczykowski <maze@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Signed-off-by: Yuyang Huang <yuyanghuang@google.com>
Link: https://patch.msgid.link/20250614053522.623820-1-yuyanghuang@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-17 17:58:51 -07:00
..
af_unix
selftest: af_unix: Test SO_PASSRIGHTS.
2025-05-23 10:24:19 +01:00
can
selftests: can: test_raw_filter.sh: add support of physical interfaces
2025-05-21 18:05:11 +02:00
forwarding
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2025-05-01 15:11:38 -07:00
hsr
selftests: hsr: Add test for VLAN
2024-11-11 16:40:44 -08:00
lib
selftests: net: exit cleanly on SIGTERM / timeout
2025-05-06 11:04:58 +02:00
mptcp
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
netfilter
selftests: netfilter: nft_nat.sh: add test for reverse clash with nat
2025-06-05 10:50:05 +02:00
openvswitch
selftests: openvswitch: don't hardcode the drop reason subsys
2025-03-06 16:45:43 -08:00
ovpn
selftest/net/ovpn: fix missing file
2025-06-03 13:08:15 +02:00
packetdrill
selftests/net: packetdrill: more xfail changes
2025-06-10 17:52:37 -07:00
rds
selftests: rds: move test.py to TEST_FILES
2024-11-28 10:20:17 +01:00
tcp_ao
selftests: tcp_ao: fix spelling in seq-ext.c comment
2025-06-12 18:14:24 -07:00
.gitignore
selftests/net: test sk_filter support for SKF_NET_OFF on frags
2025-04-09 20:02:51 -07:00
altnames.sh
selftest: net: fix typo in altname test
2021-09-12 10:48:26 +01:00
amt.sh
selftests: net: amt: indicate progress in the stress test
2025-04-04 08:02:09 -07:00
arp_ndisc_evict_nocarrier.sh
selftests/net: convert arp_ndisc_evict_nocarrier.sh to run it in unique namespace
2023-12-05 13:00:55 +01:00
arp_ndisc_untracked_subnets.sh
selftests/net: use tc rule to filter the na packet
2024-05-21 13:25:11 +02:00
bareudp.sh
selftests: net: use setup_ns for bareudp testing
2025-05-12 18:10:55 -07:00
big_tcp.sh
selftests: net: let big_tcp test cope with slow env
2024-02-05 12:36:16 +00:00
bind_bhash.c
selftests/net: Add test for timing a bind request to a port with a populated bhash entry
2022-08-24 19:30:09 -07:00
bind_bhash.sh
selftests/net: Improve bind_bhash.sh to accommodate predictable network interface names
2023-09-10 18:49:29 +01:00
bind_timewait.c
tcp: Add selftest for bind() and TIME_WAIT.
2022-12-30 07:25:53 +00:00
bind_wildcard.c
selftest: tcp: Add bind() tests for SO_REUSEADDR/SO_REUSEPORT.
2024-03-29 14:48:39 -07:00
bpf_offload.py
selftests: net: bpf_offload: add 'libbpf_global' to ignored maps
2025-03-06 15:41:37 -08:00
bpf.mk
selftests: net: extract BPF building logic from the Makefile
2024-04-24 20:15:45 -07:00
busy_poll_test.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
busy_poller.c
selftests: net: cleanup busy_poller.c
2024-12-06 17:42:15 -08:00
cmsg_ip.sh
selftests/net: expand cmsg_ip with MSG_MORE
2025-03-10 13:13:04 -07:00
cmsg_sender.c
selftests/net: expand cmsg_ip with MSG_MORE
2025-03-10 13:13:04 -07:00
cmsg_so_mark.sh
selftests/net: convert cmsg tests to make them run in unique namespace
2023-12-05 13:00:56 +01:00
cmsg_so_priority.sh
selftests: net: test SO_PRIORITY ancillary data with cmsg_sender
2024-12-16 18:14:12 -08:00
cmsg_time.sh
selftests: net: give up on the cmsg_time accuracy on slow machines
2025-01-17 18:36:14 -08:00
config
selftest: net: Remove DCCP bits.
2025-04-11 18:58:10 -07:00
drop_monitor_tests.sh
selftests: net: lib: Add kill_process
2024-11-15 16:39:19 -08:00
epoll_busy_poll.c
selftest: epoll_busy_poll: Fix spelling mistake "couldnt" -> "couldn't"
2024-05-13 13:53:53 -07:00
fcnal-test.sh
selftests: net: Fix few spelling mistakes
2025-02-18 18:10:31 -08:00
fdb_flush.sh
selftests: net: Fix few spelling mistakes
2025-02-18 18:10:31 -08:00
fdb_notify.sh
selftests: net: lib: Rename ip_link_master() to ip_link_set_master()
2024-12-09 14:47:05 -08:00
fib_nexthop_multiprefix.sh
selftests/net: convert fib_nexthop_multiprefix to run it in unique namespace
2023-12-14 18:38:35 -08:00
fib_nexthop_nongw.sh
selftests/net: convert fib_nexthop_nongw.sh to run it in unique namespace
2023-12-14 18:38:35 -08:00
fib_nexthops.sh
selftests: fib_nexthops: do not mark skipped tests as failed
2025-02-21 16:23:29 -08:00
fib_rule_tests.sh
selftests: net: remove redundant rp_filter configuration
2025-05-12 18:10:55 -07:00
fib_tests.sh
selftests: net: remove redundant rp_filter configuration
2025-05-12 18:10:55 -07:00
fib-onlink-tests.sh
selftests/net: convert fib-onlink-tests.sh to run it in unique namespace
2023-12-14 18:38:35 -08:00
fin_ack_lat.c
selftests: net: Add FIN_ACK processing order related latency spike test
2020-02-02 13:33:21 -08:00
fin_ack_lat.sh
selftests: net: Add FIN_ACK processing order related latency spike test
2020-02-02 13:33:21 -08:00
fq_band_pktlimit.sh
selftests/net: calibrate fq_band_pktlimit
2024-01-31 11:11:09 +00:00
gre_gso.sh
selftests/net: convert gre_gso.sh to run it in unique namespace
2023-12-23 00:26:32 +00:00
gre_ipv6_lladdr.sh
selftests: Add IPv6 link-local address generation tests for GRE devices.
2025-05-05 18:08:15 -07:00
gro.c
selftests/net: only print passing message in GRO tests when tests pass
2025-02-27 18:38:23 -08:00
gro.sh
selftests/net: deflake GRO tests
2025-02-27 18:38:23 -08:00
hwtstamp_config.c
selftests/net: replace manual array size calc with ARRAYSIZE macro.
2023-07-18 17:43:51 -07:00
icmp_redirect.sh
selftests: net: remove redundant rp_filter configuration
2025-05-12 18:10:55 -07:00
icmp.sh
sleftests/net: convert icmp.sh to run it in unique namespace
2023-12-05 13:00:56 +01:00
in_netns.sh
…
io_uring_zerocopy_tx.c
selftests/net: Extract uring helpers to be reusable
2023-10-19 16:42:03 -06:00
io_uring_zerocopy_tx.sh
selftests/net: optmem_max became per netns
2023-12-15 11:01:27 +00:00
ioam6_parser.c
selftests: net: add new ioam tests
2024-10-04 15:34:07 -07:00
ioam6.sh
selftests: net: add new ioam tests
2024-10-04 15:34:07 -07:00
ip6_gre_headroom.sh
…
ip_defrag.c
selftests: net: ip_defrag: ignore EPERM
2020-06-02 15:54:20 -07:00
ip_defrag.sh
selftests: net: ip_defrag: modprobe missing nf_defrag_ipv6 support
2020-07-17 12:49:18 -07:00
ip_local_port_range.c
selftests/net: fix uninitialized variables
2024-05-07 17:22:18 -07:00
ip_local_port_range.sh
selftests/net: ensure mptcp is enabled in netns
2025-02-25 18:13:28 -08:00
ipsec.c
selftests/net/ipsec: Fix Null pointer dereference in rtattr_pack()
2025-01-20 11:25:25 -08:00
ipv6_flowlabel_mgr.c
…
ipv6_flowlabel.c
ping: support ipv6 ping socket flow labels
2022-07-22 12:40:27 +01:00
ipv6_flowlabel.sh
ping: support ipv6 ping socket flow labels
2022-07-22 12:40:27 +01:00
ipv6_route_update_soft_lockup.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
l2_tos_ttl_inherit.sh
selftests/net: l2_tos_ttl_inherit.sh: Ensure environment cleanup on failure.
2023-01-10 10:13:52 +01:00
l2tp.sh
selftests/net: convert l2tp.sh to run it in unique namespace
2023-12-05 13:00:56 +01:00
lib.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
link_netns.py
selftests: net: Add test cases for link and peer netns
2025-02-21 15:28:03 -08:00
lwt_dst_cache_ref_loop.sh
selftests: net: test for lwtunnel dst ref loops
2025-03-20 11:25:52 +01:00
Makefile
selftest: Add selftest for multicast address notifications
2025-06-17 17:58:51 -07:00
msg_zerocopy.c
selftests: make order checking verbose in msg_zerocopy selftest
2024-07-03 19:42:32 -07:00
msg_zerocopy.sh
selftests/net: optmem_max became per netns
2023-12-15 11:01:27 +00:00
nat6to4.bpf.c
selftests: net: name bpf objects consistently and simplify Makefile
2024-04-24 20:15:45 -07:00
nat6to4.sh
selftests: net: add test case for NAT46 looping back dst
2025-06-11 17:02:29 -07:00
ndisc_unsolicited_na_test.sh
selftests/net: convert ndisc_unsolicited_na_test.sh to run it in unique namespace
2023-12-05 13:00:56 +01:00
netdevice.sh
selftests: net: Use XFAIL for operations not supported by the driver
2024-08-22 16:56:06 -07:00
netlink-dumps.c
selftests: net: test extacks in netlink dumps
2024-11-24 17:00:06 -08:00
netns-name.sh
selftests: net: use netdevsim in netns test
2025-04-03 15:32:09 -07:00
netns-sysctl.sh
selftests: net: tests net.core.{r,w}mem_{default,max} sysctls in a netns
2024-06-01 16:03:21 -07:00
nettest.c
selftests: nettest: Fix typo in log and error messages for clarity
2025-06-17 16:22:59 -07:00
nl_netdev.py
net: stop napi kthreads when THREADED napi is disabled
2025-06-10 17:52:03 -07:00
pmtu.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
proc_net_pktgen.c
selftest: net: update proc_net_pktgen (add more imix_weights test cases)
2025-03-24 12:01:38 -07:00
psock_fanout.c
selftests: net/psock_fanout: unbound socket fanout
2024-10-15 09:52:36 -07:00
psock_lib.h
selftests/net: replace manual array size calc with ARRAYSIZE macro.
2023-07-18 17:43:51 -07:00
psock_snd.c
selftests/net: enable lo.accept_local in psock_snd test
2022-05-25 21:58:35 -07:00
psock_snd.sh
selftests/net: remove min gso test in packet_snd
2021-08-02 10:34:04 +01:00
psock_tpacket.c
selftests: net: Fix minor typos in MPTCP and psock tests
2025-02-19 19:02:48 -08:00
reuseaddr_conflict.c
selftests: reuseaddr_conflict: add missing new line at the end of the output
2024-04-01 20:42:45 -07:00
reuseaddr_ports_exhausted.c
selftests: net: fix grammar in reuseaddr_ports_exhausted.c log message
2025-02-17 16:34:36 -08:00
reuseaddr_ports_exhausted.sh
selftests: net: Add SO_REUSEADDR test to check if 4-tuples are fully utilized.
2020-03-12 12:08:09 -07:00
reuseport_addr_any.c
selftest: net: Remove DCCP bits.
2025-04-11 18:58:10 -07:00
reuseport_addr_any.sh
…
reuseport_bpf_cpu.c
…
reuseport_bpf_numa.c
selftests: net: fix array_size.cocci warning
2022-03-07 12:23:27 +00:00
reuseport_bpf.c
selftests: Fix the if conditions of in test_extra_filter()
2022-09-27 11:00:02 +02:00
reuseport_dualstack.c
selftests: net: reuseport_dualstack: fix uninitalized parameter
2019-11-01 15:11:02 -07:00
route_localnet.sh
selftests: net: change ifconfig with ip command
2023-10-24 13:53:39 -07:00
rps_default_mask.sh
selftests: net: fix rps_default_mask with >32 CPUs
2024-01-24 13:55:19 -08:00
rtnetlink_notification.sh
selftest: Add selftest for multicast address notifications
2025-06-17 17:58:51 -07:00
rtnetlink.py
netlink: specs: rt_addr: pull the ifa- prefix out of the names
2025-04-04 07:36:06 -07:00
rtnetlink.sh
selftests/rtnetlink.sh: add mngtempaddr test
2024-11-26 10:29:12 +01:00
run_afpackettests
selftests/net: Use kselftest skip code for skipped tests
2021-08-24 16:49:09 -07:00
run_netsocktests
…
rxtimestamp.c
net-timestamp: add selftests for SOF_TIMESTAMPING_OPT_RX_FILTER
2024-09-10 16:55:23 -07:00
rxtimestamp.sh
selftests/net: plug rxtimestamp test into kselftest framework
2020-06-23 20:36:46 -07:00
sample_map_ret0.bpf.c
selftests: net: declare section names for bpf_offload
2024-04-10 14:03:12 -07:00
sample_ret0.bpf.c
selftests: net: declare section names for bpf_offload
2024-04-10 14:03:12 -07:00
sctp_hello.c
selftests: add a selftest for sctp vrf
2022-11-18 11:42:54 +00:00
sctp_vrf.sh
selftests/net: convert sctp_vrf.sh to run it in unique namespace
2023-12-05 13:00:56 +01:00
settings
selftests/net: convert fcnal-test.sh to run it in unique namespace
2023-12-14 18:38:35 -08:00
setup_loopback.sh
selftests: net: Remove executable bits from library scripts
2024-02-01 08:36:29 -08:00
setup_veth.sh
selftests: net: bump GRO timeout for gro/setup_veth
2025-03-12 13:20:04 -07:00
sk_bind_sendto_listen.c
selftests/net: Add sk_bind_sendto_listen and sk_connect_zero_addr
2022-08-24 19:30:09 -07:00
sk_connect_zero_addr.c
selftests/net: Add sk_bind_sendto_listen and sk_connect_zero_addr
2022-08-24 19:30:09 -07:00
sk_so_peek_off.c
selftests: add selftest for UDP SO_PEEK_OFF support
2024-09-04 13:10:43 +01:00
skf_net_off.c
selftests/net: test sk_filter support for SKF_NET_OFF on frags
2025-04-09 20:02:51 -07:00
skf_net_off.sh
selftests/net: test sk_filter support for SKF_NET_OFF on frags
2025-04-09 20:02:51 -07:00
so_incoming_cpu.c
selftest: Don't reuse port for SO_INCOMING_CPU test.
2024-01-23 10:48:07 +01:00
so_netns_cookie.c
tools/testing: add a selftest for SO_NETNS_COOKIE
2021-06-24 11:13:05 -07:00
so_rcv_listener.c
selftests: net: add support for testing SO_RCVMARK and SO_RCVPRIORITY
2025-02-17 16:45:19 -08:00
so_txtime.c
selftests/net: ignore timing errors in so_txtime if KSFT_MACHINE_SLOW
2024-02-06 10:19:06 +01:00
so_txtime.sh
selftests: net: cope with slow env in so_txtime.sh test
2024-02-13 10:10:44 -08:00
socket.c
selftests/net: remove ARRAY_SIZE define from individual tests
2021-12-10 17:50:57 -07:00
srv6_end_dt4_l3vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
srv6_end_dt6_l3vpn_test.sh
selftests/net: convert srv6_end_dt6_l3vpn_test.sh to run it in unique namespace
2023-12-14 18:38:35 -08:00
srv6_end_dt46_l3vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
srv6_end_dx4_netfilter_test.sh
selftests: add selftest for the SRv6 End.DX4 behavior with netfilter
2024-06-19 18:42:10 +02:00
srv6_end_dx6_netfilter_test.sh
selftests: add selftest for the SRv6 End.DX6 behavior with netfilter
2024-06-19 18:42:10 +02:00
srv6_end_flavors_test.sh
selftests: net: Fix spellings
2025-05-20 18:14:08 -07:00
srv6_end_next_csid_l3vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
srv6_end_x_next_csid_l3vpn_test.sh
selftests: seg6: Add test cases for End.X with link-local nexthop
2025-06-16 15:31:14 -07:00
srv6_hencap_red_l3vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
srv6_hl2encap_red_l2vpn_test.sh
selftests: net: use setup_ns for SRv6 tests and remove rp_filter configuration
2025-05-12 18:10:55 -07:00
stress_reuseport_listen.c
net: selftests: Stress reuseport listen
2022-05-12 16:52:18 -07:00
stress_reuseport_listen.sh
selftests/net: convert stress_reuseport_listen.sh to run it in unique namespace
2023-12-23 00:26:32 +00:00
tap.c
selftests: add few test cases for tap driver
2022-08-05 08:59:15 +01:00
tcp_fastopen_backup_key.c
selftests/net: remove ARRAY_SIZE define from individual tests
2021-12-10 17:50:57 -07:00
tcp_fastopen_backup_key.sh
selftests: net: tcp_fastopen_backup_key.sh: fix shellcheck issue
2019-08-15 11:34:32 -07:00
tcp_inq.c
…
tcp_mmap.c
selftests/net: report rcv_mss in tcp_mmap
2023-08-02 11:40:49 +01:00
test_bpf.sh
…
test_bridge_backup_port.sh
selftests: net: Fix bridge backup port test flakiness
2024-02-09 11:29:52 -08:00
test_bridge_neigh_suppress.sh
selftests: test_bridge_neigh_suppress: Test unicast ARP/NS with suppression
2025-04-09 19:13:43 -07:00
test_ingress_egress_chaining.sh
selftests: add selftest for chaining of tc ingress handling to egress
2022-10-19 14:04:36 +01:00
test_so_rcv.sh
selftests: net: add support for testing SO_RCVMARK and SO_RCVPRIORITY
2025-02-17 16:45:19 -08:00
test_vxlan_fdb_changelink.sh
selftests: test_vxlan_fdb_changelink: Add a test for MC remote change
2025-02-18 13:06:44 +01:00
test_vxlan_mdb.sh
selftests: vxlan_mdb: Fix failures with old libnet
2024-03-26 12:29:25 +01:00
test_vxlan_nolocalbypass.sh
selftests/net: convert test_vxlan_nolocalbypass.sh to run it in unique namespace
2023-12-08 12:12:16 +00:00
test_vxlan_under_vrf.sh
selftests/net: convert test_vxlan_under_vrf.sh to run it in unique namespace
2023-12-08 12:12:16 +00:00
test_vxlan_vnifiltering.sh
selftests/net: convert test_vxlan_vnifiltering.sh to run it in unique namespace
2023-12-08 12:12:16 +00:00
timestamping.c
selftests/net: timestamping: Fix bind_phc check
2022-01-31 11:44:04 +00:00
tls.c
selftests: tls: check that disconnect does nothing
2025-04-08 11:38:49 +02:00
toeplitz_client.sh
selftests/net: toeplitz test
2021-08-05 13:14:09 +01:00
toeplitz.c
selftests/net: toeplitz: fix race on tpacket_v3 block close
2023-01-19 09:27:15 -08:00
toeplitz.sh
selftests/net: use unique netns name for setup_loopback.sh setup_veth.sh
2023-12-23 00:26:32 +00:00
traceroute.sh
selftests/net: convert traceroute.sh to run it in unique namespace
2023-12-05 13:00:56 +01:00
tun.c
selftest: tun: add test for NAPI dismantle
2022-06-30 11:34:10 -07:00
txring_overwrite.c
selftests: txring_overwrite: fix incorrect test of mmap() return value
2019-07-08 15:39:38 -07:00
txtimestamp.c
selftests: txtimestamp: add SCM_TS_OPT_ID test
2024-10-04 11:52:20 -07:00
txtimestamp.sh
selftests: txtimestamp: add SCM_TS_OPT_ID test
2024-10-04 11:52:20 -07:00
udpgro_bench.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
udpgro_frglist.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
udpgro_fwd.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
udpgro.sh
selftests: net: move wait_local_port_listen to lib.sh
2025-05-27 17:31:42 -07:00
udpgso_bench_rx.c
selftests: net: cut more slack for gro fwd tests.
2024-02-02 21:10:36 -08:00
udpgso_bench_tx.c
selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
2023-02-02 13:29:51 +01:00
udpgso_bench.sh
selftests/net: call sendmmsg via udpgso_bench.sh
2024-12-04 19:22:20 -08:00
udpgso.c
udp: gso: do not drop small packets when PMTU reduces
2025-02-03 10:13:27 +00:00
udpgso.sh
selftests/net: Add test coverage for UDP GSO software fallback
2024-06-28 18:13:00 -07:00
unicast_extensions.sh
selftests: net: add helper for checking if nettest is available
2024-08-22 12:55:47 +02:00
veth.sh
selftests: net: use the dummy bpf from net/lib
2025-03-31 16:44:25 -07:00
vlan_bridge_binding.sh
selftests: net: Add a VLAN bridge binding selftest
2024-12-20 13:14:17 -08:00
vlan_hw_filter.sh
selftests: add vlan hw filter tests
2023-12-19 13:13:56 +01:00
vrf_route_leaking.sh
selftests: net: add helper for checking if nettest is available
2024-08-22 12:55:47 +02:00
vrf_strict_mode_test.sh
selftests/net: convert vrf_strict_mode_test.sh to run it in unique namespace
2023-12-08 12:12:16 +00:00
vrf-xfrm-tests.sh
selftests/net: convert vrf-xfrm-tests.sh to run it in unique namespace
2023-12-08 12:12:16 +00:00
xfrm_policy_add_speed.sh
selftests: add xfrm policy insertion speed test script
2024-08-24 09:55:01 +02:00
xfrm_policy.sh
selftests/net: reduce xfrm_policy test time
2024-05-16 19:30:12 -07:00
ynl.mk
selftests: net: suppress ReST file generation when building selftests
2025-02-05 17:49:40 -08:00