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Allow driver tests to work without specifying the netdevice names.
Introduce a possibility to search for available netdevices according to
set driver name. Allow test to specify the name by setting
NETIF_FIND_DRIVER variable.
Note that user overrides this either by passing netdevice names on the
command line or by declaring NETIFS array in custom forwarding.config
configuration file.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This patch adds hsr_redbox.sh script to test if HSR-SAN mode of operation
works correctly.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Current code checks if ping command output match hardcoded pattern:
"10 packets transmitted, 10 received, 0% packet loss,".
Such approach will work only from one ping program version (for which
this test has been originally written).
This patch address problem when ping with different summary output
like "10 packets transmitted, 10 packets received, 0% packet" is
used to run this test - for example one from busybox (as the test
system runs in QEMU with rootfs created with buildroot).
The fix is to modify output of ping command to be agnostic to ping
version used on the platform.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Some of the code already present in the hsr_ping.sh test program can be
moved to a separate script file, so it can be reused by other HSR
functionality (like HSR-SAN) tests.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Some parts (like netns creation and cleanup) of hsr_ping.sh script are
already implemented in ../lib.sh common script, so can be replaced by it.
Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Currently conntrack_dump_flush test program always runs when passing
TEST_PROGS argument:
% make -C tools/testing/selftests TARGETS=net/netfilter \
TEST_PROGS=conntrack_ipip_mtu.sh run_tests
make: Entering [..]
TAP version 13
1..2 [..]
selftests: net/netfilter: conntrack_dump_flush [..]
Move away from TEST_CUSTOM_PROGS to avoid this. After this,
above command will only run the program specified in TEST_PROGS.
Link: https://lore.kernel.org/netdev/20240423191609.70c14c42@kernel.org/
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240424095824.5555-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The BPF sample building code looks a little bit spaghetti-ish
so move it out to its own Makefile snippet. Similar in the spirit
to how we include lib.mk. libynl will soon get a similar snippet.
There is a small change hiding in the move, the relative
paths (../../.., ../.. etc) are replaced with variables
from lib.mk such as top_srcdir and selfdir.
Link: https://lore.kernel.org/r/20240423183542.3807234-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The BPF sources moved with bpf_offload.py have a suffix of .bpf.c
which seems to be useful convention. Rename the 2 other BPF sources
we had. Use wildcard in the Makefile, since we can match all those
files easily now.
Link: https://lore.kernel.org/r/20240423183542.3807234-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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With CONFIG_NETFILTER=n test passes instead of skip. Before:
./run_kselftest.sh -t net/netfilter:conntrack_dump_flush
[..]
# Starting 3 tests from 1 test cases.
# RUN conntrack_dump_flush.test_dump_by_zone ...
mnl_socket_open: Protocol not supported
[..]
ok 3 conntrack_dump_flush.test_flush_by_zone_default
# PASSED: 3 / 3 tests passed.
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
After:
mnl_socket_open: Protocol not supported
[..]
ok 3 conntrack_dump_flush.test_flush_by_zone_default # SKIP cannot open netlink_netfilter socket
# PASSED: 3 / 3 tests passed.
# Totals: pass:0 fail:0 xfail:0 xpass:0 skip:3 error:0
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240422103358.3511-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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nf_conntrack_udp_timeout sysctl only exist once conntrack module is loaded,
if this test runs standalone on a modular kernel sysctl setting fails,
this can result in test failure as udp conntrack entries expire too fast.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240422102546.2494-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use socat, like most of the other scripts already do. This also makes
the script complete slightly faster (3s -> 1s).
iperf3 establishes two connections (1 control connection, and 1+x
depending on test), so adjust expected counter values as well.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-8-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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br_netfilter: If we can't add the needed initial nftables ruleset skip the
test, kernel doesn't support a required feature.
rpath: run a subset of the tests if possible, but make sure we return
the skip return value so they are marked appropriately by the kselftest
framework.
nft_audit.sh: provide version information when skipping, this should
help catching kernel problem (feature not available in kernel) vs.
userspace issue (parser doesn't support keyword).
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-7-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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no functional changes intended except that test will now SKIP in
case kernel lacks bridge support and initial rule load failure provides
nft version information.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-6-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Now that the test runs much faster, also re-run it with random MTU sizes
for the different link legs. flowtable should pass ip fragments, if
any, up to the normal forwarding path.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-5-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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no functional changes intended.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-4-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tests fail on my workstation with netcat 110, instead of debugging+more
workarounds just remove this.
Tests will fall back to bash or socat.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-3-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use busywait helper instead of unconditional sleep, reduces run time
from 6m to 2:30 on my system.
The busywait helper calls the function passed to it as argument; disable
the shellcheck test for unreachable code, it generates many (false)
warnings here.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240423130604.7013-2-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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More complex tests often have to spawn a background process,
like a server which will respond to requests or tcpdump.
Add support for creating such processes using the with keyword:
with bkg("my-daemon", ..):
# my-daemon is alive in this block
My initial thought was to add this support to cmd() directly
but it runs the command in the constructor, so by the time
we __enter__ it's too late to make sure we used "background=True".
Second useful helper transplanted from net_helper.sh is
wait_port_listen().
The test itself uses socat, which insists on v6 addresses
being wrapped in [], it's not the only command which requires
this format, so add the wrapped address to env. The hope
is to save test code from checking if address is v6.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240420025237.3309296-7-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While writing tests with a lot more cases I got tired of having
to jump back and forth to add the name of the test to the ksft_run()
list. Most unittest frameworks do some name matching, e.g. assume
that functions with names starting with test_ are test cases.
Support similar flow in ksft_run(). Let the author list the desired
prefixes. globals() need to be passed explicitly, IDK how to work
around that.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240420025237.3309296-6-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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endpoint
Nothing surprising here, hopefully. Wrap the variables from
the environment into a class or spawn a netdevsim based env
and pass it to the tests.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240420025237.3309296-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Define the remote endpoint "model". To execute most meaningful device
driver tests we need to be able to communicate with a remote system,
and have it send traffic to the device under test.
Various test environments will have different requirements.
0) "Local" netdevsim-based testing can simply use net namespaces.
netdevsim supports connecting two devices now, to form a veth-like
construct.
1) Similarly on hosts with multiple NICs, the NICs may be connected
together with a loopback cable or internal device loopback.
One interface may be placed into separate netns, and tests
would proceed much like in the netdevsim case. Note that
the loopback config or the moving of one interface
into a netns is not expected to be part of selftest code.
2) Some systems may need to communicate with the remote endpoint
via SSH.
3) Last but not least environment may have its own custom communication
method.
Fundamentally we only need two operations:
- run a command remotely
- deploy a binary (if some tool we need is built as part of kselftests)
Wrap these two in a class. Use dynamic loading to load the Remote
class. This will allow very easy definition of other communication
methods without bothering upstream code base.
Stick to the "simple" / "no unnecessary abstractions" model for
referring to the remote endpoints. The host / remote object are
passed as an argument to the usual cmd() or ip() invocation.
For example:
ip("link show", json=True, host=remote)
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240420025237.3309296-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a test for dumping qstats device by device.
ksft framework grows a ksft_raises() helper, to be used
under with, which should be familiar to unittest users.
Link: https://lore.kernel.org/r/20240420023543.3300306-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub reports the Makefile missed a few updates to make kselftest-install
work for the netfilter tests and points out that config file lacks many
dependencies such as VETH support.
The settings file (timeout 8m) is added for nft_concat_range.sh script
which can take several minutes to complete.
Fixes: 3f189349e52a ("selftests: netfilter: move to net subdir")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/all/20240412175413.04e5e616@kernel.org/
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-13-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This testcase doesn't work if auditd is running, audit_logread will not
receive any data in that case.
Add a nftables feature test for the reset keyword and skip this test
if that fails.
While at it, do a few minor shellcheck cleanups.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-12-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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shellcheck complains about missing "", so add those.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-11-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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no functional change intended.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-10-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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No functional change intended.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-9-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While at it: No need for iperf here, use socat.
This also reduces the script runtime.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-8-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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no functional change intended.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-7-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Intentional changes:
- Use socat instead of netcat
- Use a temporary file instead of pipe, else packets do not match
"-m string" rules, multiple writes to the pipe cause multiple packets,
but this needs only one to work.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-6-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Also do shellcheck cleanups here, no functional changes intended.
When running tests via vng tool, the packetpath insertion test fails:
dd: failed to open '/dev/stdout': Device or resource busy
Just omit 'of=' and this will work as intended.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-5-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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use checktool helper where applicable.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-4-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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No functional change intended. Disable frequent shellcheck warnings wrt.
"unreachable" code, those helpers get called indirectly from busywait helper.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-3-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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- switch to socat, like other tests
- use buswait helper to test once listener netns is ready
- do not generate multiple input test files, only generate
one and use cleanup hook to remove it, like other temporary files.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240418152744.15105-2-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Test cases need to exit with non-zero status if they failed,
we currently don't do that:
# KTAP version 1
# 1..3
# # At /root/ksft-net-drv/drivers/net/./ping.py line 18:
# # Check failed 1 != 2
# not ok 1 ping.test_v4
# ok 2 ping.test_v6
# ok 3 ping.test_tcp
# # Totals: pass:2 fail:1 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: drivers/net: ping.py
^^^^
It's a bit tempting to make the exit part of ksft_run(),
but that only works well for very trivial setups. We can
revisit this later, if people forget to call ksft_exit().
Link: https://lore.kernel.org/r/20240417231146.2435572-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Totals currently only pay attention to exceptions, if check fails
(say ksft_eq()) the test case will be counted as pass:
# At /ksft/drivers/net/./ping.py line 18:
# Check failed 1 != 2
not ok 1 ping.test_v4
ok 2 ping.test_v6
ok 3 ping.test_tcp
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
^^^^^^^^^^^^^
Pay attention to the result.
Fixes: b86761ff6374 ("selftests: net: add scaffolding for Netlink tests in Python")
Link: https://lore.kernel.org/r/20240417231146.2435572-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR.
Conflicts:
include/trace/events/rpcgss.h
386f4a737964 ("trace: events: cleanup deprecated strncpy uses")
a4833e3abae1 ("SUNRPC: Fix rpcgss_context trace event acceptor field")
Adjacent changes:
drivers/net/ethernet/intel/ice/ice_tc_lib.c
2cca35f5dd78 ("ice: Fix checking for unsupported keys on non-tunnel device")
784feaa65dfd ("ice: Add support for PFCP hardware offload in switchdev")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Character sequences starting with `\` are interpreted by python as
escaped Unicode characters. However, they have other meaning in
regular expressions (e.g: "\d").
It seems Python >= 3.12 starts emitting a SyntaxWarning when these
escaped sequences are not recognized as valid Unicode characters.
An example of these warnings:
tools/testing/selftests/net/openvswitch/ovs-dpctl.py:505:
SyntaxWarning: invalid escape sequence '\d'
Fix all the warnings by flagging literals as raw strings.
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Link: https://lore.kernel.org/r/20240416090913.2028475-1-amorenoz@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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selftest build is fairly noisy, it's easy to miss warnings.
It's standard practice to add alternative messages in
the Makefile. I was grepping for existing solutions,
and found that bpf already has the right knobs.
Move them to lib.mk and adopt in net.
Convert the basic rules in lib.mk.
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20240411190534.444918-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ping prints all the info to stdout. To make debug easier capture
stdout in the Exception raised when command unexpectedly fails.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240416004556.1618804-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On my new laptop with packages from nixos-unstable, gcc 12.3.0 produces
> lib/setup.c: In function ‘__test_msg’:
> lib/setup.c:20:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 20 | ksft_print_msg(buf);
> | ^~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_ok’:
> lib/setup.c:26:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 26 | ksft_test_result_pass(buf);
> | ^~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_fail’:
> lib/setup.c:32:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 32 | ksft_test_result_fail(buf);
> | ^~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_xfail’:
> lib/setup.c:38:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 38 | ksft_test_result_xfail(buf);
> | ^~~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_error’:
> lib/setup.c:44:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 44 | ksft_test_result_error(buf);
> | ^~~~~~~~~~~~~~~~~~~~~~
> lib/setup.c: In function ‘__test_skip’:
> lib/setup.c:50:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 50 | ksft_test_result_skip(buf);
> | ^~~~~~~~~~~~~~~~~~~~~
> cc1: some warnings being treated as errors
As the buffer was already pre-printed into, print it as a string
rather than a format-string.
Fixes: cfbab37b3da0 ("selftests/net: Add TCP-AO library")
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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On my new laptop with packages from nixos-unstable, gcc 12.3.0 produces:
> lib/proc.c: In function ‘netstat_read_type’:
> lib/proc.c:89:9: error: format not a string literal and no format arguments [-Werror=format-security]
> 89 | if (fscanf(fnetstat, type->header_name) == EOF)
> | ^~
> cc1: some warnings being treated as errors
Here the selftests lib parses header name, while expectes non-space word
ending with a column.
Fixes: cfbab37b3da0 ("selftests/net: Add TCP-AO library")
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The structure is on the stack and has to be zero-initialized as
the kernel checks for:
> if (in.reserved != 0 || in.reserved2 != 0)
> return -EINVAL;
Fixes: b26660531cf6 ("selftests/net: Add test for TCP-AO add setsockopt() command")
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Currently, "active reset" cases are flaky, because select() is called
for 3 sockets, while only 2 are expected to receive RST.
The idea of the third socket was to get into request_sock_queue,
but the test mistakenly attempted to connect() after the listener
socket was shut down.
Repair this test, it's important to check the different kernel
code-paths for signing RST TCP-AO segments.
Fixes: c6df7b2361d7 ("selftests/net: Add TCP-AO RST test")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This test lacks a topology diagram, making the setup not obvious.
Add one.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This test lacks a topology diagram, making the setup not obvious.
Add one.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This test lacks a topology diagram, making the setup not obvious.
Add one.
Cc: David Ahern <dsahern@gmail.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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$ksft_skip is used to mark selftests that have tooling issues. The fact
that LLDPad is running, but shouldn't, is one such issue. Therefore have
bail_on_lldpad() bail with $ksft_skip.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The variable should contain at least NUM_NETIFS interfaces, stored
as keys named "p$i", for i in `seq $NUM_NETIFS`.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Bodies of busywait() and slowwait() functions are almost identical. Extract
the common code into a helper, loopy_wait, and convert busywait() and
slowwait() into trivial wrappers.
Moreover, the fact that slowwait() uses seconds for units is really not
intuitive, and the comment does not help much. Instead make the unit part
of the name of the argument to further clarify what units are expected.
Cc: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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