From: Stanislav Fomichev <stfomichev@gmail.com>
To: "Alexis Lothoré (eBPF Foundation)" <alexis.lothore@bootlin.com>
Cc: Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Mykola Lysenko <mykolal@fb.com>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>, Shuah Khan <shuah@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Jesper Dangaard Brouer <hawk@kernel.org>,
ebpf@linuxfoundation.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Bastien Curutchet <bastien.curutchet@bootlin.com>,
bpf@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH bpf-next v2 01/13] selftests/bpf: add a macro to compare raw memory
Date: Fri, 15 Nov 2024 07:37:38 -0800 [thread overview]
Message-ID: <Zzdqwn-vhYxWIXGo@mini-arch> (raw)
In-Reply-To: <20241114-flow_dissector-v2-1-ee4a3be3de65@bootlin.com>
On 11/14, Alexis Lothoré (eBPF Foundation) wrote:
> We sometimes need to compare whole structures in an assert. It is
> possible to use the existing macros on each field, but when the whole
> structure has to be checked, it is more convenient to simply compare the
> whole structure memory
>
> Add a dedicated assert macro, ASSERT_MEMEQ, to allow bare memory
> comparision
> The output generated by this new macro looks like the following:
> [...]
> run_tests_skb_less:FAIL:returned flow keys unexpected memory mismatch
> actual:
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00
> expected:
> 0E 00 3E 00 DD 86 01 01 00 06 86 DD 50 00 90 1F
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 01 00 00 00 00 00 00 00
> [...]
>
> Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.lothore@bootlin.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
next prev parent reply other threads:[~2024-11-15 15:37 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-14 21:50 [PATCH bpf-next v2 00/13] selftests/bpf: migrate test_flow_dissector.sh to test_progs Alexis Lothoré (eBPF Foundation)
2024-11-14 21:50 ` [PATCH bpf-next v2 01/13] selftests/bpf: add a macro to compare raw memory Alexis Lothoré (eBPF Foundation)
2024-11-15 15:37 ` Stanislav Fomichev [this message]
2024-11-14 21:50 ` [PATCH bpf-next v2 02/13] selftests/bpf: use ASSERT_MEMEQ to compare bpf flow keys Alexis Lothoré (eBPF Foundation)
2024-11-14 21:50 ` [PATCH bpf-next v2 03/13] selftests/bpf: replace CHECK calls with ASSERT macros in flow_dissector test Alexis Lothoré (eBPF Foundation)
2024-11-14 21:50 ` [PATCH bpf-next v2 04/13] selftests/bpf: re-split main function into dedicated tests Alexis Lothoré (eBPF Foundation)
2024-11-15 15:39 ` Stanislav Fomichev
2024-11-14 21:50 ` [PATCH bpf-next v2 05/13] selftests/bpf: expose all subtests from flow_dissector Alexis Lothoré (eBPF Foundation)
2024-11-14 21:50 ` [PATCH bpf-next v2 06/13] selftests/bpf: add gre packets testing to flow_dissector Alexis Lothoré (eBPF Foundation)
2024-11-14 21:50 ` [PATCH bpf-next v2 07/13] selftests/bpf: migrate flow_dissector namespace exclusivity test Alexis Lothoré (eBPF Foundation)
2024-11-15 15:41 ` Stanislav Fomichev
2024-11-14 21:50 ` [PATCH bpf-next v2 08/13] selftests/bpf: Enable generic tc actions in selftests config Alexis Lothoré (eBPF Foundation)
2024-11-14 21:50 ` [PATCH bpf-next v2 09/13] selftests/bpf: move ip checksum helper to network helpers Alexis Lothoré (eBPF Foundation)
2024-11-15 15:32 ` Stanislav Fomichev
2024-11-19 8:49 ` Alexis Lothoré
2024-11-14 21:50 ` [PATCH bpf-next v2 10/13] selftests/bpf: rename pseudo headers checksum computation Alexis Lothoré (eBPF Foundation)
2024-11-15 15:33 ` Stanislav Fomichev
2024-11-19 8:51 ` Alexis Lothoré
2024-11-14 21:50 ` [PATCH bpf-next v2 11/13] selftests/bpf: add network helpers to generate udp checksums Alexis Lothoré (eBPF Foundation)
2024-11-15 15:54 ` Stanislav Fomichev
2024-11-19 8:57 ` Alexis Lothoré
2024-11-14 21:50 ` [PATCH bpf-next v2 12/13] selftests/bpf: migrate bpf flow dissectors tests to test_progs Alexis Lothoré (eBPF Foundation)
2024-11-15 16:11 ` Stanislav Fomichev
2024-11-19 9:28 ` Alexis Lothoré
2024-11-14 21:50 ` [PATCH bpf-next v2 13/13] selftests/bpf: remove test_flow_dissector.sh Alexis Lothoré (eBPF Foundation)
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