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Commit 201ba706318d ("selftests: ovpn: reduce ping count in test.sh")
lowered the baseline traffic flood ping count to avoid flakes on slower
CI instances, however some instances were left out.
Apply the same limit to the remaining ovpn selftest flood pings that
still request 500 packets.
Fixes: 201ba706318d ("selftests: ovpn: reduce ping count in test.sh")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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The second stage of test.sh ("run baseline data traffic") performs a
basic connectivity check with ping -qfc 500 -w 3. On slower CI
instances this is too strict for TCP: the RTT is high enough that 500
echo requests do not reliably complete within 3 seconds, so the stage
flakes and the test fails even though the ovpn setup is healthy.
Reduce the packet count to 100 for both the plain and 3000-byte pings in
that stage. This still verifies peer setup, key exchange, routing, and
data-path traffic, without making the basic connectivity check depend on
timing out under load.
Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Starting one background YNL notification listener per peer back-to-back
can intermittently stall the test setup before the listeners even reach
the Python main function.
This was reproducible in a reduced test.sh setup-only loop: a single
listener stayed stable across repeated runs, while starting listeners
for all peers could hang early in the listener launch phase. Adding a
short delay between listener launches makes the listeners start cleanly
and eliminates the reproduced hangs in repeated normal and slow-runner
tests.
Serialize listener startup with a small sleep between setup_listener
calls.
Fixes: 77de28cd7cf1 ("selftests: ovpn: add notification parsing and matching")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Current tests do not properly adhere to the TAP infrastructure
therefore they do not properly report failures leading to hangs of
the CI machinery.
Restructure ovpn selftests into using the TAP infrastructure: split each
test in stages, execute stage bodies with fail-fast semantics, and emit
KTAP pass/fail for each stage.
Centralize behavior control in common.sh and makes the scripts use
dedicated wrappers for required-success, expected-failure, and non-fatal
commands. Also add the OVPN_VERBOSE mode that exposes captured command
output for debugging.
This way tests won't hang anymore in case of failure when executed
within the CI machinery.
This change also makes default OVPN_CLI and YNL resolution
independent from the caller CWD by anchoring both to COMMON_DIR, so
behavior is stable across direct execution and run_tests-style
execution.
Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Current naming for shared variables, helpers and netnamespaces is
a bit unfortunate as it doesn't come with a clean prefix.
This showed to be problematic in case of name clashes with external
scripts or in case of abrupt test termination (hanging netns' weren't
easily reconducible to ovpn).
Rename common helper entry points and all shared globals in the ovpn
selftests to ovpn_ or OVPN_ names so test scripts and wrappers use a
single explicit prefix. Also rename the temporary network namespaces
created by the tests from peerN to ovpn_peerN. This makes leaked
namespaces easier to identify.
This is a mechanical refactor only, behavior is unchanged.
Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Notification comparison uses jq -s, which slurps all inputs into an
array. Some inputs can be arrays themselves, and applying the .msg.peer
filter directly on those entries triggers jq type errors.
Expand any array-valued JSON items returned by jq -s before selecting
.msg.peer, so the filter handles both normal notification objects and []
entries without type errors.
Fixes: 77de28cd7cf1 ("selftests: ovpn: add notification parsing and matching")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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compare_ntfs doesn't fail when expected and received notification
streams diverge.
Fix this bug by tracking the diff exit status explicitly and return it
to the caller so notification mismatches propagate as test failures.
Fixes: 77de28cd7cf1 ("selftests: ovpn: add notification parsing and matching")
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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test-mark.sh installs nftables rules in an inet/filter output chain and
verifies packet drops via nft counters. In vmksft this can fail when the
nftables core is not enabled by the ovpn selftest config.
Add the missing kernel options required by this test:
- CONFIG_NETFILTER
- CONFIG_NF_TABLES
- CONFIG_NF_TABLES_INET
Fixes: 7b80d8a33500 ("selftests: ovpn: add test for the FW mark feature")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/all/20260319124114.42f91f72@kernel.org/
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Add a selftest to verify that the FW mark socket option is correctly
supported and its value propagated by ovpn.
The test adds and removes nftables DROP rules based on the mark value,
and checks that the rule counter aligns with the number of lost ping
packets.
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Cc: horms@kernel.org
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Extend the base test to verify that the correct peer-id is set in data
packet headers. This is done by capturing ping packets with tcpdump during
the initial exchange and matching the first portion of the header
against the expected sequence for every connection.
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Cc: horms@kernel.org
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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To verify that netlink notifications are correctly emitted and contain
the expected fields, this commit uses the tools/net/ynl/pyynl/cli.py
script to create multicast listeners. These listeners record the
captured notifications to a JSON file, which is later compared to the
expected output.
Cc: linux-kselftest@vger.kernel.org
Cc: shuah@kernel.org
Cc: horms@kernel.org
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Send a netlink notification when a client updates its remote UDP
endpoint. The notification includes the new IP address, port, and scope
ID (for IPv6).
Cc: linux-kselftest@vger.kernel.org
Cc: horms@kernel.org
Cc: shuah@kernel.org
Cc: donald.hunter@gmail.com
Signed-off-by: Ralf Lici <ralf@mandelbit.com>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
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mbedtls 3 installs headers and calls the shared object
differently than version 2, therefore we must now rely
on pkgconfig to fill the right C/LDFLAGS.
Moreover the mbedtls3 library expects any base64 file to
have their content on one line.
Since this change does no break older versions,
let's change the sample key file format and make mbedtls3
happy.
Cc: Shuah Khan <shuah@kernel.org>
Cc: linux-kselftest@vger.kernel.org
Cc: horms@kernel.org
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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This follow-up patch completes centralization of kselftest.h and
ksefltest_harness.h includes in remaining seltests files, replacing all
relative paths with a non-relative paths using shared -I include path in
lib.mk
Tested with gcc-13.3 and clang-18.1, and cross-compiled successfully on
riscv, arm64, x86_64 and powerpc arch.
[reddybalavignesh9979@gmail.com: add selftests include path for kselftest.h]
Link: https://lkml.kernel.org/r/20251017090201.317521-1-reddybalavignesh9979@gmail.com
Link: https://lkml.kernel.org/r/20251016104409.68985-1-reddybalavignesh9979@gmail.com
Signed-off-by: Bala-Vignesh-Reddy <reddybalavignesh9979@gmail.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lore.kernel.org/lkml/20250820143954.33d95635e504e94df01930d0@linux-foundation.org/
Reviewed-by: Wei Yang <richard.weiyang@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Günther Noack <gnoack@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mickael Salaun <mic@digikod.net>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Current release - regressions:
- mlx5: fix pre-2.40 binutils assembler error
Current release - new code bugs:
- net: psp: don't assume reply skbs will have a socket
- eth: fbnic: fix missing programming of the default descriptor
Previous releases - regressions:
- page_pool: fix PP_MAGIC_MASK to avoid crashing on some 32-bit arches
- tcp:
- take care of zero tp->window_clamp in tcp_set_rcvlowat()
- don't call reqsk_fastopen_remove() in tcp_conn_request()
- eth:
- ice: release xa entry on adapter allocation failure
- usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock
Previous releases - always broken:
- netfilter: validate objref and objrefmap expressions
- sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
- eth:
- mlx4: prevent potential use after free in mlx4_en_do_uc_filter()
- mlx5: prevent tunnel mode conflicts between FDB and NIC IPsec tables
- ocelot: fix use-after-free caused by cyclic delayed work
Misc:
- add support for MediaTek PCIe 5G HP DRMR-H01"
* tag 'net-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
net: airoha: Fix loopback mode configuration for GDM2 port
selftests: drv-net: pp_alloc_fail: add necessary optoins to config
selftests: drv-net: pp_alloc_fail: lower traffic expectations
selftests: drv-net: fix linter warnings in pp_alloc_fail
eth: fbnic: fix reporting of alloc_failed qstats
selftests: drv-net: xdp: add test for interface level qstats
selftests: drv-net: xdp: rename netnl to ethnl
eth: fbnic: fix saving stats from XDP_TX rings on close
eth: fbnic: fix accounting of XDP packets
eth: fbnic: fix missing programming of the default descriptor
selftests: netfilter: query conntrack state to check for port clash resolution
selftests: netfilter: nft_fib.sh: fix spurious test failures
bridge: br_vlan_fill_forward_path_pvid: use br_vlan_group_rcu()
netfilter: nft_objref: validate objref and objrefmap expressions
net: pse-pd: tps23881: Fix current measurement scaling
net/mlx5: fix pre-2.40 binutils assembler error
net/mlx5e: Do not fail PSP init on missing caps
net/mlx5e: Prevent tunnel reformat when tunnel mode not allowed
net/mlx5: Prevent tunnel mode conflicts between FDB and NIC IPsec tables
net: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock
...
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We get a significant number of conflicts between net and net-next
because of selftests Makefile changes. People tend to append new
test cases at the end of the Makefile when there's no clear sort
order. Sort all networking selftests Makefiles, use the following
format:
VAR_NAME := \
entry1 \
entry2 \
entry3 \
# end of VAR_NAME
Some Makefiles are already pretty close to this.
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20251003210127.1021918-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Sort config files for networking selftests. This should help us
avoid merge conflicts between net and net-next. patchwork check
will be added to prevent new issues.
Acked-by: Phil Sutter <phil@nwl.cc>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Link: https://patch.msgid.link/20251003205736.1019673-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix functions that return undefined values. These issues were caught by
running clang using LLVM=1 option.
Clang warnings are as follows:
ovpn-cli.c:1587:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
1587 | if (!sock) {
| ^~~~~
ovpn-cli.c:1635:9: note: uninitialized use occurs here
1635 | return ret;
| ^~~
ovpn-cli.c:1587:2: note: remove the 'if' if its condition is always false
1587 | if (!sock) {
| ^~~~~~~~~~~~
1588 | fprintf(stderr, "cannot allocate netlink socket\n");
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1589 | goto err_free;
| ~~~~~~~~~~~~~~
1590 | }
| ~
ovpn-cli.c:1584:15: note: initialize the variable 'ret' to silence this warning
1584 | int mcid, ret;
| ^
| = 0
ovpn-cli.c:2107:7: warning: variable 'ret' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
2107 | case CMD_INVALID:
| ^~~~~~~~~~~
ovpn-cli.c:2111:9: note: uninitialized use occurs here
2111 | return ret;
| ^~~
ovpn-cli.c:1939:12: note: initialize the variable 'ret' to silence this warning
1939 | int n, ret;
| ^
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Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Sidharth Seela <sidharthseela@gmail.com>
Link: https://patch.msgid.link/20251001123107.96244-2-sidharthseela@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This macro gets used in different tests. Add it to kselftest.h which is
central location and tests use this header. Then use this new macro.
Link: https://lkml.kernel.org/r/20250912125102.1309796-1-usama.anjum@collabora.com
Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Antonio Quartulli <antonio@openvpn.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kacinski <kuba@kernel.org>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: "Sabrina Dubroca" <sd@queasysnail.net>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Simon Horman <horms@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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test-large-mtu.sh is referenced by the Makefile
but does not exist.
Add it along the other scripts.
Fixes: 944f8b6abab6 ("selftest/net/ovpn: extend coverage with more test cases")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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TCP sockets cannot be created with AF_UNSPEC, but
one among the supported family must be used.
Since commit 944f8b6abab6 ("selftest/net/ovpn: extend
coverage with more test cases") the default address
family for all tests was changed from AF_INET to AF_UNSPEC,
thus breaking all TCP cases.
Restore AF_INET as default address family for TCP listeners.
Fixes: 944f8b6abab6 ("selftest/net/ovpn: extend coverage with more test cases")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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To increase code coverage, extend the ovpn selftests with the following
cases:
* connect UDP peers using a mix of IPv6 and IPv4 at the transport layer
* run full test with tunnel MTU equal to transport MTU (exercising
IP layer fragmentation)
* ping "LAN IP" served by VPN peer ("LAN behind a client" test case)
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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getaddrinfo() may fail with error code different from EAI_FAIL
or EAI_NONAME, however in this case we still try to free the
results object, thus leading to a crash.
Fix this by bailing out on any possible error.
Fixes: 959bc330a439 ("testing/selftests: add test tool and scripts for ovpn module")
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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The ovpn-cli tool can be compiled and used as selftest for the ovpn
kernel module.
[NOTE: it depends on libmedtls for decoding base64-encoded keys]
ovpn-cli implements the netlink and RTNL APIs and can thus be integrated
in any script for more automated testing.
Along with the tool, a bunch of scripts are provided that perform basic
functionality tests by means of network namespaces.
These scripts take part to the kselftest automation.
The output of the scripts, which will appear in the kselftest
reports, is a list of steps performed by the scripts plus some
output coming from the execution of `ping`, `iperf` and `ovpn-cli`
itself.
In general it is useful only in case of failure, in order to
understand which step has failed and why.
Please note: since peer sockets are tied to the userspace
process that created them (i.e. exiting the process will result
in closing the socket), every run of ovpn-cli that created
one will go to background and enter pause(), waiting for the
signal which will allow it to terminate.
Termination is accomplished at the end of each script by
issuing a killall command.
Cc: linux-kselftest@vger.kernel.org
Cc: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
Link: https://patch.msgid.link/20250415-b4-ovpn-v26-23-577f6097b964@openvpn.net
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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