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When picking TCP ports to use, avoid all below 10k.
This should lower the chance of collision or running
afoul whatever random policies may be on the host.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240429144426.743476-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The main use of the ip() wrapper over cmd() is that it can parse JSON.
cmd("ip -j link show") will return stdout as a string, and test has
to call json.loads(). With ip("link show", json=True) the return value
will be already parsed.
More tools (ethtool, bpftool etc.) support the --json switch.
To avoid having to wrap all of them individually create a tool()
helper.
Switch from -j to --json (for ethtool).
While at it consume the netns attribute at the ip() level.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240429144426.743476-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We created a separate directory for HW-only tests, recently.
Glue in the Python test library there, Python is a bit annoying
when it comes to using library code located "lower"
in the directory structure.
Reuse the Env class, but let tests require non-nsim setup.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240429144426.743476-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub reports that some tests fail on netdev CI when executed in a debug
kernel.
Increase test timeout to 30m, this should hopefully be enough.
Also reduce test duration where possible for "slow" machines.
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240429105736.22677-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These stats are commonly. Support reporting those via netdev-genl queue
stats.
name: rx-hw-drops
name: rx-hw-drop-overruns
name: rx-csum-unnecessary
name: rx-csum-none
name: rx-csum-bad
name: rx-hw-gro-packets
name: rx-hw-gro-bytes
name: rx-hw-gro-wire-packets
name: rx-hw-gro-wire-bytes
name: rx-hw-drop-ratelimits
name: tx-hw-drops
name: tx-hw-drop-errors
name: tx-csum-none
name: tx-needs-csum
name: tx-hw-gso-packets
name: tx-hw-gso-bytes
name: tx-hw-gso-wire-packets
name: tx-hw-gso-wire-bytes
name: tx-hw-drop-ratelimits
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2024-04-29
We've added 147 non-merge commits during the last 32 day(s) which contain
a total of 158 files changed, 9400 insertions(+), 2213 deletions(-).
The main changes are:
1) Add an internal-only BPF per-CPU instruction for resolving per-CPU
memory addresses and implement support in x86 BPF JIT. This allows
inlining per-CPU array and hashmap lookups
and the bpf_get_smp_processor_id() helper, from Andrii Nakryiko.
2) Add BPF link support for sk_msg and sk_skb programs, from Yonghong Song.
3) Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
atomics in bpf_arena which can be JITed as a single x86 instruction,
from Alexei Starovoitov.
4) Add support for passing mark with bpf_fib_lookup helper,
from Anton Protopopov.
5) Add a new bpf_wq API for deferring events and refactor sleepable
bpf_timer code to keep common code where possible,
from Benjamin Tissoires.
6) Fix BPF_PROG_TEST_RUN infra with regards to bpf_dummy_struct_ops programs
to check when NULL is passed for non-NULLable parameters,
from Eduard Zingerman.
7) Harden the BPF verifier's and/or/xor value tracking,
from Harishankar Vishwanathan.
8) Introduce crypto kfuncs to make BPF programs able to utilize the kernel
crypto subsystem, from Vadim Fedorenko.
9) Various improvements to the BPF instruction set standardization doc,
from Dave Thaler.
10) Extend libbpf APIs to partially consume items from the BPF ringbuffer,
from Andrea Righi.
11) Bigger batch of BPF selftests refactoring to use common network helpers
and to drop duplicate code, from Geliang Tang.
12) Support bpf_tail_call_static() helper for BPF programs with GCC 13,
from Jose E. Marchesi.
13) Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
program to have code sections where preemption is disabled,
from Kumar Kartikeya Dwivedi.
14) Allow invoking BPF kfuncs from BPF_PROG_TYPE_SYSCALL programs,
from David Vernet.
15) Extend the BPF verifier to allow different input maps for a given
bpf_for_each_map_elem() helper call in a BPF program, from Philo Lu.
16) Add support for PROBE_MEM32 and bpf_addr_space_cast instructions
for riscv64 and arm64 JITs to enable BPF Arena, from Puranjay Mohan.
17) Shut up a false-positive KMSAN splat in interpreter mode by unpoison
the stack memory, from Martin KaFai Lau.
18) Improve xsk selftest coverage with new tests on maximum and minimum
hardware ring size configurations, from Tushar Vyavahare.
19) Various ReST man pages fixes as well as documentation and bash completion
improvements for bpftool, from Rameez Rehman & Quentin Monnet.
20) Fix libbpf with regards to dumping subsequent char arrays,
from Quentin Deslandes.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (147 commits)
bpf, docs: Clarify PC use in instruction-set.rst
bpf_helpers.h: Define bpf_tail_call_static when building with GCC
bpf, docs: Add introduction for use in the ISA Internet Draft
selftests/bpf: extend BPF_SOCK_OPS_RTT_CB test for srtt and mrtt_us
bpf: add mrtt and srtt as BPF_SOCK_OPS_RTT_CB args
selftests/bpf: dummy_st_ops should reject 0 for non-nullable params
bpf: check bpf_dummy_struct_ops program params for test runs
selftests/bpf: do not pass NULL for non-nullable params in dummy_st_ops
selftests/bpf: adjust dummy_st_ops_success to detect additional error
bpf: mark bpf_dummy_struct_ops.test_1 parameter as nullable
selftests/bpf: Add ring_buffer__consume_n test.
bpf: Add bpf_guard_preempt() convenience macro
selftests: bpf: crypto: add benchmark for crypto functions
selftests: bpf: crypto skcipher algo selftests
bpf: crypto: add skcipher to bpf crypto
bpf: make common crypto API for TC/XDP programs
bpf: update the comment for BTF_FIELDS_MAX
selftests/bpf: Fix wq test.
selftests/bpf: Use make_sockaddr in test_sock_addr
selftests/bpf: Use connect_to_addr in test_sock_addr
...
====================
Link: https://lore.kernel.org/r/20240429131657.19423-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When using YNL in tests appending the doc string to the type
name makes it harder to check that we got the correct error.
Put the doc under a separate key.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20240426003111.359285-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Throw a slightly more helpful exception when env variables
are partially populated. Prior to this change we'd get
a dictionary key exception somewhere later on.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240425222341.309778-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The shell lexer is not helping much, do very basic parsing
manually.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240425222341.309778-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add more info to the README. It's also now copied to GitHub for
increased visibility:
https://github.com/linux-netdev/nipa/wiki/Running-driver-tests
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240425222341.309778-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The definition of bpf_tail_call_static in tools/lib/bpf/bpf_helpers.h
is guarded by a preprocessor check to assure that clang is recent
enough to support it. This patch updates the guard so the function is
compiled when using GCC 13 or later as well.
Tested in bpf-next master. No regressions.
Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240426145158.14409-1-jose.marchesi@oracle.com
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Introduce initial tests for virtio_net driver. Focus on feature testing
leveraging previously introduced debugfs feature filtering
infrastructure. Add very basic ping and F_MAC feature tests.
To run this, do:
$ make -C tools/testing/selftests/ TARGETS=drivers/net/virtio_net/ run_tests
Run it on a system with 2 virtio_net devices connected back-to-back
on the hypervisor.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The existing setup_wait*() helper family check the status of the
interface to be up. Introduce wait_for_dev() to wait for the netdevice
to appear, for example after test script does manual device bind.
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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Add a helper to be used to check if the netdevice is backed by specified
driver.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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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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Because srtt and mrtt_us are added as args in bpf_sock_ops at
BPF_SOCK_OPS_RTT_CB, a simple check is added to make sure they are both
non-zero.
$ ./test_progs -t tcp_rtt
#373 tcp_rtt:OK
Summary: 1/0 PASSED, 0 SKIPPED, 0 FAILED
Suggested-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240425161724.73707-3-lulie@linux.alibaba.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Two important arguments in RTT estimation, mrtt and srtt, are passed to
tcp_bpf_rtt(), so that bpf programs get more information about RTT
computation in BPF_SOCK_OPS_RTT_CB.
The difference between bpf_sock_ops->srtt_us and the srtt here is: the
former is an old rtt before update, while srtt passed by tcp_bpf_rtt()
is that after update.
Signed-off-by: Philo Lu <lulie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240425161724.73707-2-lulie@linux.alibaba.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Check if BPF_PROG_TEST_RUN for bpf_dummy_struct_ops programs
rejects execution if NULL is passed for non-nullable parameter.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240424012821.595216-6-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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dummy_st_ops.test_2 and dummy_st_ops.test_sleepable do not have their
'state' parameter marked as nullable. Update dummy_st_ops.c to avoid
passing NULL for such parameters, as the next patch would allow kernel
to enforce this restriction.
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240424012821.595216-4-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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As reported by Jose E. Marchesi in off-list discussion, GCC and LLVM
generate slightly different code for dummy_st_ops_success/test_1():
SEC("struct_ops/test_1")
int BPF_PROG(test_1, struct bpf_dummy_ops_state *state)
{
int ret;
if (!state)
return 0xf2f3f4f5;
ret = state->val;
state->val = 0x5a;
return ret;
}
GCC-generated LLVM-generated
---------------------------- ---------------------------
0: r1 = *(u64 *)(r1 + 0x0) 0: w0 = -0xd0c0b0b
1: if r1 == 0x0 goto 5f 1: r1 = *(u64 *)(r1 + 0x0)
2: r0 = *(s32 *)(r1 + 0x0) 2: if r1 == 0x0 goto 6f
3: *(u32 *)(r1 + 0x0) = 0x5a 3: r0 = *(u32 *)(r1 + 0x0)
4: exit 4: w2 = 0x5a
5: r0 = -0xd0c0b0b 5: *(u32 *)(r1 + 0x0) = r2
6: exit 6: exit
If the 'state' argument is not marked as nullable in
net/bpf/bpf_dummy_struct_ops.c, the verifier would assume that
'r1 == 0x0' is never true:
- for the GCC version, this means that instructions #5-6 would be
marked as dead and removed;
- for the LLVM version, all instructions would be marked as live.
The test dummy_st_ops/dummy_init_ret_value actually sets the 'state'
parameter to NULL.
Therefore, when the 'state' argument is not marked as nullable,
the GCC-generated version of the code would trigger a NULL pointer
dereference at instruction #3.
This patch updates the test_1() test case to always follow a shape
similar to the GCC-generated version above, in order to verify whether
the 'state' nullability is marked correctly.
Reported-by: Jose E. Marchesi <jemarch@gnu.org>
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240424012821.595216-3-eddyz87@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Cross-merge networking fixes after downstream PR.
Conflicts:
drivers/net/ethernet/ti/icssg/icssg_prueth.c
net/mac80211/chan.c
89884459a0b9 ("wifi: mac80211: fix idle calculation with multi-link")
87f5500285fb ("wifi: mac80211: simplify ieee80211_assign_link_chanctx()")
https://lore.kernel.org/all/20240422105623.7b1fbda2@canb.auug.org.au/
net/unix/garbage.c
1971d13ffa84 ("af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().")
4090fa373f0e ("af_unix: Replace garbage collection algorithm.")
drivers/net/ethernet/ti/icssg/icssg_prueth.c
drivers/net/ethernet/ti/icssg/icssg_common.c
4dcd0e83ea1d ("net: ti: icssg-prueth: Fix signedness bug in prueth_init_rx_chns()")
e2dc7bfd677f ("net: ti: icssg-prueth: Move common functions into a separate file")
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a testcase for the ring_buffer__consume_n() API.
The test produces multiple samples in a ring buffer, using a
sys_getpid() fentry prog, and consumes them from user-space in batches,
rather than consuming all of them greedily, like ring_buffer__consume()
does.
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/lkml/CAEf4BzaR4zqUpDmj44KNLdpJ=Tpa97GrvzuzVNO5nM6b7oWd1w@mail.gmail.com
Link: https://lore.kernel.org/bpf/20240425140627.112728-1-andrea.righi@canonical.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wireless and bluetooth.
Nothing major, regression fixes are mostly in drivers, two more of
those are flowing towards us thru various trees. I wish some of the
changes went into -rc5, we'll try to keep an eye on frequency of PRs
from sub-trees.
Also disproportional number of fixes for bugs added in v6.4, strange
coincidence.
Current release - regressions:
- igc: fix LED-related deadlock on driver unbind
- wifi: mac80211: small fixes to recent clean up of the connection
process
- Revert "wifi: iwlwifi: bump FW API to 90 for BZ/SC devices", kernel
doesn't have all the code to deal with that version, yet
- Bluetooth:
- set power_ctrl_enabled on NULL returned by gpiod_get_optional()
- qca: fix invalid device address check, again
- eth: ravb: fix registered interrupt names
Current release - new code bugs:
- wifi: mac80211: check EHT/TTLM action frame length
Previous releases - regressions:
- fix sk_memory_allocated_{add|sub} for architectures where
__this_cpu_{add|sub}* are not IRQ-safe
- dsa: mv88e6xx: fix link setup for 88E6250
Previous releases - always broken:
- ip: validate dev returned from __in_dev_get_rcu(), prevent possible
null-derefs in a few places
- switch number of for_each_rcu() loops using call_rcu() on the
iterator to for_each_safe()
- macsec: fix isolation of broadcast traffic in presence of offload
- vxlan: drop packets from invalid source address
- eth: mlxsw: trap and ACL programming fixes
- eth: bnxt: PCIe error recovery fixes, fix counting dropped packets
- Bluetooth:
- lots of fixes for the command submission rework from v6.4
- qca: fix NULL-deref on non-serdev suspend
Misc:
- tools: ynl: don't ignore errors in NLMSG_DONE messages"
* tag 'net-6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (88 commits)
af_unix: Suppress false-positive lockdep splat for spin_lock() in __unix_gc().
net: b44: set pause params only when interface is up
tls: fix lockless read of strp->msg_ready in ->poll
dpll: fix dpll_pin_on_pin_register() for multiple parent pins
net: ravb: Fix registered interrupt names
octeontx2-af: fix the double free in rvu_npc_freemem()
net: ethernet: ti: am65-cpts: Fix PTPv1 message type on TX packets
ice: fix LAG and VF lock dependency in ice_reset_vf()
iavf: Fix TC config comparison with existing adapter TC config
i40e: Report MFS in decimal base instead of hex
i40e: Do not use WQ_MEM_RECLAIM flag for workqueue
net: ti: icssg-prueth: Fix signedness bug in prueth_init_rx_chns()
net/mlx5e: Advertise mlx5 ethernet driver updates sk_buff md_dst for MACsec
macsec: Detect if Rx skb is macsec-related for offloading devices that update md_dst
ethernet: Add helper for assigning packet type when dest address does not match device address
macsec: Enable devices to advertise whether they update sk_buff md_dst during offloads
net: phy: dp83869: Fix MII mode failure
netfilter: nf_tables: honor table dormant flag from netdev release event path
eth: bnxt: fix counting packets discarded due to OOM and netpoll
igc: Fix LED-related deadlock on driver unbind
...
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Add bpf_guard_preempt() macro that uses newly introduced
bpf_preempt_disable/enable() kfuncs to guard a critical section.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20240424225529.16782-1-alexei.starovoitov@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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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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Some simple benchmarks are added to understand the baseline of
performance.
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Link: https://lore.kernel.org/r/20240422225024.2847039-5-vadfed@meta.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Add simple tc hook selftests to show the way to work with new crypto
BPF API. Some tricky dynptr initialization is used to provide empty iv
dynptr. Simple AES-ECB algo is used to demonstrate encryption and
decryption of fixed size buffers.
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Link: https://lore.kernel.org/r/20240422225024.2847039-4-vadfed@meta.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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The wq test was missing destroy(skel) part which was causing bpf progs to stay
loaded. That was causing test_progs to complain with
"Failed to unload bpf_testmod.ko from kernel: -11" message, but adding
destroy() wasn't enough, since wq callback may be delayed, so loop on unload of
bpf_testmod if errno is EAGAIN.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Fixes: 8290dba51910 ("selftests/bpf: wq: add bpf_wq_start() checks")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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This patch uses public helper make_sockaddr() exported in network_helpers.h
instead of the local defined function mk_sockaddr() in test_sock_addr.c.
This can avoid duplicate code.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/1473e189d6ca1a3925de4c5354d191a14eca0f3f.1713868264.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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This patch uses public network helper connect_to_addr() exported in
network_helpers.h instead of the local defined function connect_to_server()
in test_sock_addr.c. This can avoid duplicate code.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/f263797712d93fdfaf2943585c5dfae56714a00b.1713868264.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Include network_helpers.h in test_sock_addr.c, use the newly added public
helper start_server_addr() instead of the local defined function
start_server(). This can avoid duplicate code.
In order to use functions defined in network_helpers.c in test_sock_addr.c,
Makefile needs to be updated and <Linux/err.h> needs to be included in
network_helpers.h to avoid compilation errors.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/3101f57bde5502383eb41723c8956cc26be06893.1713868264.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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ASSERT helpers defined in test_progs.h shouldn't be used in public
functions like open_netns() and close_netns(). Since they depend on
test__fail() which defined in test_progs.c. Public functions may be
used not only in test_progs.c, but in other tests like test_sock_addr.c
in the next commit.
This patch uses log_err() to replace ASSERT helpers in open_netns()
and close_netns() in network_helpers.c to decouple dependencies, then
uses ASSERT_OK_PTR() to check the return values of all open_netns().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/d1dad22b2ff4909af3f8bfd0667d046e235303cb.1713868264.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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As Martin mentioned in review comment, there is an existing bug that
orig_netns_fd will be leaked in the later "goto fail;" case after
open("/proc/self/ns/net") in open_netns() in network_helpers.c. This
patch adds "close(token->orig_netns_fd);" before "free(token);" to
fix it.
Fixes: a30338840fa5 ("selftests/bpf: Move open_netns() and close_netns() into network_helpers.c")
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/a104040b47c3c34c67f3f125cdfdde244a870d3c.1713868264.git.tanggeliang@kylinos.cn
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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Add tests for nested cases, nested count preservation upon different
subprog calls that disable/enable preemption, and test sleepable helper
call in non-preemptible regions.
182/1 preempt_lock/preempt_lock_missing_1:OK
182/2 preempt_lock/preempt_lock_missing_2:OK
182/3 preempt_lock/preempt_lock_missing_3:OK
182/4 preempt_lock/preempt_lock_missing_3_minus_2:OK
182/5 preempt_lock/preempt_lock_missing_1_subprog:OK
182/6 preempt_lock/preempt_lock_missing_2_subprog:OK
182/7 preempt_lock/preempt_lock_missing_2_minus_1_subprog:OK
182/8 preempt_lock/preempt_balance:OK
182/9 preempt_lock/preempt_balance_subprog_test:OK
182/10 preempt_lock/preempt_global_subprog_test:OK
182/11 preempt_lock/preempt_sleepable_helper:OK
182 preempt_lock:OK
Summary: 1/11 PASSED, 0 SKIPPED, 0 FAILED
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20240424031315.2757363-3-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Allows to test if allocation/free works
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240420-bpf_wq-v2-16-6c986a5a741f@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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