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linux/tools/testing/selftests/net
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Nirmoy Das 3e52f56875 selftests: tls: size splice_short pipe by page size 
splice_short grows its pipe with (MAX_FRAGS + 1) * 0x1000 so it can
queue one short vmsplice() buffer for each fragment before draining the
pipe. That assumes 4K pipe buffers.

On 64K-page kernels the request is rounded to 262144 bytes, which
provides only four pipe buffers. The fifth one-byte vmsplice() blocks in
pipe_wait_writable and the test times out before it reaches the TLS path.

Request enough bytes for the same number of pipe buffers using the
runtime page size, and assert that the kernel granted at least that much.
If an unprivileged run cannot raise the pipe above the system
pipe-max-size limit, skip the test because it cannot exercise the
intended path.

Fixes: 3667e9b442 ("selftests: tls: add test for short splice due to full skmsg")
Signed-off-by: Nirmoy Das <nirmoyd@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260624134416.3235403-1-nirmoyd@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2026-06-25 09:01:58 -07:00
..
af_unix af_unix: Add test for SCM_INQ on partial read 2026-06-03 18:52:25 -07:00
bench selftests: pp-bench: remove page_pool_put_page wrapper 2025-07-01 17:42:11 -07:00
can selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
forwarding selftest: net: Extend ipmr.c for IP6MR. 2026-06-08 17:06:22 -07:00
hsr selftests: hsr: Add more link fault tests for HSR 2026-02-10 12:02:29 +01:00
lib selftests: drv-net: gro: signal over-coalescing more reliably 2026-06-09 12:24:04 +02:00
mptcp selftests: mptcp: always check sent/dropped ADD_ADDRs 2026-06-11 15:33:38 -07:00
netfilter selftests: nft_queue.sh: add a bridge queue test 2026-06-23 08:11:22 +02:00
openvswitch selftests/net/openvswitch: add SET action test 2026-06-15 14:16:06 -07:00
ovpn selftests: ovpn: reduce remaining ping flood counts 2026-05-14 16:24:45 +02:00
packetdrill selftests/net: packetdrill: add tcp_syncookies_ip[46]_9k 2026-04-30 20:54:09 -07:00
ppp selftests: net: do not detect PPPoX loopback 2026-06-05 17:29:40 -07:00
rds selftests: net: rds: add getsockopt() conversion test 2026-06-11 12:19:05 +02:00
tcp_ao net/tcp-ao: Use crypto library API instead of crypto_ahash 2026-04-30 09:38:56 +02:00
.gitignore selftests: net: add getsockopt_iter binary to .gitignore 2026-06-09 18:48:17 -07:00
altnames.sh
amt.sh selftests: net: amt: wait longer for connection before sending packets 2026-01-21 19:20:30 -08:00
arp_ndisc_evict_nocarrier.sh selftests: net: add a hint about MACAddressPolicy=persistent 2025-12-01 12:02:13 -08:00
arp_ndisc_untracked_subnets.sh
bareudp.sh selftests: net: use BASH for bareudp testing 2025-10-29 17:56:03 -07:00
big_tcp.sh
bind_bhash.c selftests/net: bind_bhash: fix memory leak in bind_socket 2026-06-02 19:27:25 -07:00
bind_bhash.sh
bind_timewait.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
bind_wildcard.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
bpf_offload.py selftests: net: bpf_offload: print loaded programs on mismatch 2025-08-20 19:28:03 -07:00
bpf.mk
bridge_stp_mode.sh selftests: net: add bridge STP mode selection test 2026-04-10 15:52:25 -07:00
bridge_vlan_dump.sh selftests: net: Add bridge VLAN range grouping tests 2026-02-26 19:24:29 -08:00
broadcast_ether_dst.sh selftests: net: fix file owner for broadcast_ether_dst test 2026-06-18 18:22:30 -07:00
broadcast_pmtu.sh selftests: net: add test for variable PMTU in broadcast routes 2025-07-14 17:29:41 -07:00
busy_poll_test.sh selftests: Add napi threaded busy poll test in busy_poller 2025-11-03 18:11:40 -08:00
busy_poller.c selftests: Add napi threaded busy poll test in busy_poller 2025-11-03 18:11:40 -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: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
cmsg_so_mark.sh
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 selftests: net: add local ECMP rehash test 2026-06-15 15:58:13 -07:00
double_udp_encap.sh selftests: net: tests for add double tunneling GRO/GSO 2026-01-23 11:31:14 -08:00
drop_monitor_tests.sh selftests: net: lib: Add kill_process 2024-11-15 16:39:19 -08:00
ecmp_rehash.sh selftests: net: add local ECMP rehash test 2026-06-15 15:58:13 -07:00
epoll_busy_poll.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
fcnal-ipv4.sh selftests: net: run groups from fcnal-test in parallel 2025-09-09 15:34:11 -07:00
fcnal-ipv6.sh selftests: net: run groups from fcnal-test in parallel 2025-09-09 15:34:11 -07:00
fcnal-other.sh selftests: net: run groups from fcnal-test in parallel 2025-09-09 15:34:11 -07:00
fcnal-test.sh selftests: net: add ipv6 ping to local address from localhost 2026-01-25 13:16:47 -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_set_master() to adf_* 2025-09-26 17:48:37 -07:00
fib_nexthop_multiprefix.sh
fib_nexthop_nongw.sh
fib_nexthops.sh selftests: fib_nexthops: test stale has_v4 on nexthop replace 2026-04-16 13:48:30 +02:00
fib_rule_tests.sh selftests: net: remove redundant rp_filter configuration 2025-05-12 18:10:55 -07:00
fib_tests.sh selftests: fib_tests: Add test cases for route lookup with oif 2026-06-12 17:53:48 -07:00
fib-onlink-tests.sh Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2026-01-22 20:14:36 -08:00
fin_ack_lat.c
fin_ack_lat.sh
fq_band_pktlimit.sh selftests: net: Remove unnecessary backslashes in fq_band_pktlimit.sh 2026-03-26 18:48:44 -07:00
getsockopt_iter.c selftests: net: getsockopt_iter: cleanup 2026-05-10 10:11:08 -07:00
gre_gso.sh
gre_ipv6_lladdr.sh selftests: Add IPv6 multicast route generation tests for GRE devices. 2025-07-10 18:11:04 -07:00
hwtstamp_config.c
icmp_redirect.sh selftests: net: remove redundant rp_filter configuration 2025-05-12 18:10:55 -07:00
icmp_rfc4884.c selftests: net: Add kernel selftest for RFC 4884 2026-01-22 18:29:49 -08:00
icmp.sh
in_netns.sh
io_uring_zerocopy_tx.c selftests/net: io_uring: fix unknown errnum values 2025-10-17 16:57:53 -07:00
io_uring_zerocopy_tx.sh selftests: net: io_uring_zerocopy: enable io_uring for the test 2026-03-23 19:58:32 -07:00
ioam6_parser.c selftests: net: add new ioam tests 2024-10-04 15:34:07 -07:00
ioam6.sh Revert "ipv6: preserve insertion order for same-scope addresses" 2026-05-29 13:00:54 -07:00
ip_defrag.c
ip_defrag.sh
ip_local_port_range.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
ip_local_port_range.sh selftests/net: ensure mptcp is enabled in netns 2025-02-25 18:13:28 -08:00
ip6_gre_headroom.sh
ip6_tunnel.sh selftests/net: add test for IP-in-IPv6 tunneling 2026-02-23 17:33:29 -08:00
ipsec.c xfrm: Drop support for HMAC-RIPEMD-160 2026-04-07 10:47:58 +02:00
ipv6_flowlabel_mgr.c
ipv6_flowlabel.c
ipv6_flowlabel.sh
ipv6_force_forwarding.sh ipv6: add force_forwarding sysctl to enable per-interface forwarding 2025-07-25 13:06:19 -07:00
ipv6_fragmentation.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
ipv6_route_update_soft_lockup.sh selftests: net: move wait_local_port_listen to lib.sh 2025-05-27 17:31:42 -07:00
ipvtap_test.sh selftests: net: simple selftest for ipvtap 2026-01-19 10:03:31 -08:00
l2_tos_ttl_inherit.sh
l2tp.sh
lib.sh selftests: net: Add test for enablement of ports with teamd 2026-04-13 15:09:49 +02:00
link_netns.py selftests: net: add a test case for nsid in all nsid notifications 2026-05-22 17:11:09 -07:00
lwt_dst_cache_ref_loop.sh selftests: net: test for lwtunnel dst ref loops 2025-03-20 11:25:52 +01:00
macvlan_mcast_shared_mac.sh selftests: net: add macvlan multicast test for shared source MAC 2026-03-03 18:08:13 -08:00
Makefile selftests: net: add local ECMP rehash test 2026-06-15 15:58:13 -07:00
msg_zerocopy.c selftest: net: extend msg_zerocopy test with forwarding 2025-07-02 15:07:16 -07:00
msg_zerocopy.sh selftest: net: extend msg_zerocopy test with forwarding 2025-07-02 15:07:16 -07:00
nat6to4.bpf.c
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
netdev-l2addr.sh selftests: net: add netdev-l2addr.sh for testing L2 address functionality 2025-07-11 17:00:18 -07:00
netdevice.sh selftests: net: Use XFAIL for operations not supported by the driver 2024-08-22 16:56:06 -07:00
netlink-dumps.c Significant patch series in this pull request: 2025-12-06 14:01:20 -08:00
netns-name.sh selftests: net: use netdevsim in netns test 2025-04-03 15:32:09 -07:00
netns-sysctl.sh
nettest.c selftests: nettest: Fix typo in log and error messages for clarity 2025-06-17 16:22:59 -07:00
nk_qlease.py selftests/net: Add additional test coverage in nk_qlease 2026-04-14 08:17:02 -07:00
nl_netdev.py selftests: net: add tests for filtered dumps of page pool 2026-05-08 14:54:55 -07:00
nl_nlctrl.py tools: ynl: rework policy access to support recursion 2026-03-18 16:41:42 -07:00
pmtu.sh selftests: net: speed up pmtu.sh by avoiding unnecessary cleanup 2025-09-09 16:26:44 -07:00
proc_net_pktgen.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
protodown.sh selftests: net: Add protodown tests 2026-05-08 16:50:27 -07:00
psock_fanout.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
psock_lib.h selftests: centralise maybe-unused definition in kselftest.h 2025-09-13 16:55:16 -07:00
psock_snd.c
psock_snd.sh
psock_tpacket.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
reuseaddr_conflict.c
reuseaddr_ports_exhausted.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
reuseaddr_ports_exhausted.sh
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 selftests: net: run reuseport in an isolated netns 2026-03-23 19:58:29 -07:00
reuseport_bpf_numa.c selftests: net: run reuseport in an isolated netns 2026-03-23 19:58:29 -07:00
reuseport_bpf.c selftests: net: run reuseport in an isolated netns 2026-03-23 19:58:29 -07:00
reuseport_dualstack.c selftests: net: run reuseport in an isolated netns 2026-03-23 19:58:29 -07:00
route_hint.sh selftests: net: add test for dst hint mechanism with directed broadcast addresses 2025-08-25 16:07:16 -07:00
route_localnet.sh
rps_default_mask.sh selftests: net: fix spelling and grammar mistakes 2025-09-01 13:08:07 -07:00
rtnetlink_notification.sh selftest: add selftest for anycast notifications 2025-06-22 17:32:04 +01:00
rtnetlink.py selftests: net: add test for IPv4 devconf netlink notifications 2026-06-13 14:15:53 -07:00
rtnetlink.sh selftests: rtnetlink: Add bridge promiscuity tests 2026-05-27 17:23:05 -07:00
run_afpackettests
run_netsocktests
rxtimestamp.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
rxtimestamp.sh
sample_map_ret0.bpf.c
sample_ret0.bpf.c
sctp_hello.c selftests: net: fix server bind failure in sctp_vrf.sh 2025-10-20 16:41:33 -07:00
sctp_vrf.sh selftests: net: fix server bind failure in sctp_vrf.sh 2025-10-20 16:41:33 -07:00
settings
sk_bind_sendto_listen.c
sk_connect_zero_addr.c
sk_so_peek_off.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
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 selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
so_netns_cookie.c
so_rcv_listener.c selftests: net: add support for testing SO_RCVMARK and SO_RCVPRIORITY 2025-02-17 16:45:19 -08:00
socket.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
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
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
srv6_end_dx6_netfilter_test.sh
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: seg6: fix instaces typo in comments 2025-07-01 19:32:45 -07:00
srv6_end_x_next_csid_l3vpn_test.sh selftests: seg6: fix instaces typo in comments 2025-07-01 19:32:45 -07:00
srv6_hencap_red_l3vpn_test.sh selftests: add check for seg6 tunsrc 2026-03-26 18:45:29 -07:00
srv6_hl2encap_red_l2vpn_test.sh selftests: seg6: fix instaces typo in comments 2025-07-01 19:32:45 -07:00
srv6_iptunnel_cache.sh selftests: seg6: add test for dst_cache isolation in seg6 lwtunnel 2026-04-07 20:20:56 -07:00
stress_reuseport_listen.c
stress_reuseport_listen.sh
tap.c selftests: net: fix "buffer overflow detected" for tap.c 2025-12-23 12:30:23 +01:00
tcp_ecmp_failover.sh selftest: net: Add test for TCP flow failover with ECMP routes. 2026-05-01 17:58:44 -07:00
tcp_fastopen_backup_key.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
tcp_fastopen_backup_key.sh
tcp_inq.c
tcp_mmap.c
tcp_port_share.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
test_bpf.sh
test_bridge_backup_port.sh selftests: net: Test bridge backup port when port is administratively down 2025-08-14 17:45:36 -07:00
test_bridge_neigh_suppress.sh selftests: net: Add tests for neigh_forward_grat option 2026-05-14 12:42:12 +02:00
test_ingress_egress_chaining.sh
test_neigh.sh selftests: net: Fix flaky neighbor garbage collection test 2025-08-01 13:51:41 -07:00
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: net: lib: Rename ip_link_set_up() to adf_* 2025-09-26 17:48:37 -07:00
test_vxlan_mdb.sh
test_vxlan_nh.sh selftests: net: Add a selftest for VXLAN with FDB nexthop groups 2025-09-02 16:57:00 -07:00
test_vxlan_nolocalbypass.sh
test_vxlan_under_vrf.sh
test_vxlan_vnifilter_notify.sh selftests: net: add vxlan vnifilter notification test 2026-06-04 08:47:45 -07:00
test_vxlan_vnifiltering.sh selftests: net: use slowwait to make sure IPv6 setup finished 2025-06-19 15:24:09 +02:00
tfo_passive.sh selftests: net: fix passive TFO test to fail if child processes failed 2026-01-17 18:01:26 -08:00
tfo.c selftests: net: improve error handling in passive TFO test 2026-01-17 18:01:26 -08:00
timestamping.c
tls.c selftests: tls: size splice_short pipe by page size 2026-06-25 09:01:58 -07:00
traceroute.sh selftests: traceroute: Add ICMP extensions tests 2025-10-29 18:28:30 -07:00
tun.c selftests: net: tun: don't abort XFAIL cases 2026-03-05 07:34:55 -08:00
tuntap_helpers.h selftest: tun: Introduce tuntap_helpers.h header for TUN/TAP testing 2026-01-23 11:43:28 -08:00
txring_overwrite.c
txtimestamp.c selftests: net: reduce txtimestamp deschedule flakes 2026-01-13 11:46:39 -08:00
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 selftest: net: add a test-case for encap segmentation after GRO 2026-02-03 19:23:41 -08:00
udpgro.sh selftests: net: increase inter-packet timeout in udpgro.sh 2025-07-15 15:26:47 +02:00
udpgso_bench_rx.c
udpgso_bench_tx.c selftests: complete kselftest include centralization 2025-11-27 14:24:31 -08:00
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
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: vlan_bridge_binding: Fix flaky operational state check 2026-06-18 18:15:34 -07:00
vlan_hw_filter.sh selftests: avoid using ifconfig 2025-08-01 14:40:19 -07:00
vrf_route_leaking.sh selftests: net: use slowwait to stabilize vrf_route_leaking test 2025-06-19 15:24:08 +02:00
vrf_strict_mode_test.sh
vrf-xfrm-tests.sh
xfrm_policy_add_speed.sh selftests: add xfrm policy insertion speed test script 2024-08-24 09:55:01 +02:00
xfrm_policy.sh
xfrm_state.sh selftests: net: add ICMP error source address test over xfrm tunnel 2026-02-28 15:08:15 -08:00
ynl.mk selftests: net: move netlink-dumps back to progs 2025-09-08 12:57:05 -07:00