From: Yonghong Song <yhs@fb.com>
To: <bpf@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>, <kernel-team@fb.com>
Subject: [PATCH bpf-next 08/12] selftests/bpf: Add BTF_KIND_ENUM64 unit tests
Date: Sun, 1 May 2022 12:00:44 -0700 [thread overview]
Message-ID: <20220501190044.2579654-1-yhs@fb.com> (raw)
In-Reply-To: <20220501190002.2576452-1-yhs@fb.com>
Add unit tests for basic BTF_KIND_ENUM64 encoding.
Signed-off-by: Yonghong Song <yhs@fb.com>
---
tools/testing/selftests/bpf/prog_tests/btf.c | 38 ++++++++++++++++++++
tools/testing/selftests/bpf/test_btf.h | 1 +
2 files changed, 39 insertions(+)
diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c
index 8e068e06b3e8..2af2ce5ec165 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf.c
@@ -4052,6 +4052,44 @@ static struct btf_raw_test raw_tests[] = {
.btf_load_err = true,
.err_str = "Type tags don't precede modifiers",
},
+{
+ .descr = "enum64 test #1",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */
+ BTF_ENUM64_ENC(NAME_TBD, 0, 0),
+ BTF_ENUM64_ENC(NAME_TBD, 1, 1),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0a\0b\0c"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "tag_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = 8,
+ .key_type_id = 1,
+ .value_type_id = 2,
+ .max_entries = 1,
+},
+{
+ .descr = "enum64 test #2, invalid size",
+ .raw_types = {
+ BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
+ BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 4), /* [2] */
+ BTF_ENUM64_ENC(NAME_TBD, 0, 0),
+ BTF_ENUM64_ENC(NAME_TBD, 1, 1),
+ BTF_END_RAW,
+ },
+ BTF_STR_SEC("\0a\0b\0c"),
+ .map_type = BPF_MAP_TYPE_ARRAY,
+ .map_name = "tag_type_check_btf",
+ .key_size = sizeof(int),
+ .value_size = 8,
+ .key_type_id = 1,
+ .value_type_id = 2,
+ .max_entries = 1,
+ .btf_load_err = true,
+ .err_str = "Unexpected size",
+},
}; /* struct btf_raw_test raw_tests[] */
diff --git a/tools/testing/selftests/bpf/test_btf.h b/tools/testing/selftests/bpf/test_btf.h
index 128989bed8b7..240abfca2a8b 100644
--- a/tools/testing/selftests/bpf/test_btf.h
+++ b/tools/testing/selftests/bpf/test_btf.h
@@ -39,6 +39,7 @@
#define BTF_MEMBER_ENC(name, type, bits_offset) \
(name), (type), (bits_offset)
#define BTF_ENUM_ENC(name, val) (name), (val)
+#define BTF_ENUM64_ENC(name, hi32, lo32) (name), (hi32), (lo32)
#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
((bitfield_size) << 24 | (bits_offset))
--
2.30.2
next prev parent reply other threads:[~2022-05-01 19:00 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-01 19:00 [PATCH bpf-next 00/12] bpf: Add 64bit enum value support Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 01/12] bpf: Add btf enum64 support Yonghong Song
2022-05-09 0:33 ` Dave Marchevsky
2022-05-09 22:29 ` Andrii Nakryiko
2022-05-10 22:06 ` Yonghong Song
2022-05-10 23:18 ` Andrii Nakryiko
2022-05-11 0:17 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 02/12] libbpf: Permit 64bit relocation value Yonghong Song
2022-05-09 1:06 ` Dave Marchevsky
2022-05-10 19:35 ` Yonghong Song
2022-05-09 22:37 ` Andrii Nakryiko
2022-05-10 22:14 ` Yonghong Song
2022-05-10 23:19 ` Andrii Nakryiko
2022-05-01 19:00 ` [PATCH bpf-next 03/12] libbpf: Fix an error in 64bit relocation value computation Yonghong Song
2022-05-09 0:55 ` Dave Marchevsky
2022-05-09 0:56 ` Dave Marchevsky
2022-05-09 22:37 ` Andrii Nakryiko
2022-05-10 22:11 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 04/12] libbpf: Add btf enum64 support Yonghong Song
2022-05-03 17:22 ` kernel test robot
2022-05-05 22:44 ` Yonghong Song
2022-05-09 23:25 ` Andrii Nakryiko
2022-05-10 22:40 ` Yonghong Song
2022-05-10 23:02 ` Yonghong Song
2022-05-10 23:40 ` Andrii Nakryiko
2022-05-10 23:38 ` Andrii Nakryiko
2022-05-11 0:39 ` Yonghong Song
2022-05-11 17:43 ` Andrii Nakryiko
2022-05-11 18:56 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 05/12] bpftool: " Yonghong Song
2022-05-09 23:31 ` Andrii Nakryiko
2022-05-10 22:43 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 06/12] selftests/bpf: Fix selftests failure Yonghong Song
2022-05-09 2:21 ` Dave Marchevsky
2022-05-10 19:40 ` Yonghong Song
2022-05-09 23:34 ` Andrii Nakryiko
2022-05-10 22:44 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 07/12] selftests/bpf: Test new libbpf enum32/enum64 API functions Yonghong Song
2022-05-01 19:00 ` Yonghong Song [this message]
2022-05-01 19:00 ` [PATCH bpf-next 09/12] selftests/bpf: Test BTF_KIND_ENUM64 for deduplication Yonghong Song
2022-05-09 23:37 ` Andrii Nakryiko
2022-05-10 22:44 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 10/12] selftests/bpf: add a test for enum64 value relocation Yonghong Song
2022-05-09 23:38 ` Andrii Nakryiko
2022-05-10 22:45 ` Yonghong Song
2022-05-01 19:00 ` [PATCH bpf-next 11/12] selftests/bpf: Clarify llvm dependency with possible selftest failures Yonghong Song
2022-05-01 19:01 ` [PATCH bpf-next 12/12] docs/bpf: Update documentation for BTF_KIND_ENUM64 support Yonghong Song
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