Test bpf enum stringification helpers:
libbpf_(prog|map|attach)_type_(from|to)_str
Signed-off-by: Julia Kartseva <h...@fb.com>
---
.../selftests/bpf/test_section_names.c | 149 +++++++++++++++++-
1 file changed, 147 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/bpf/test_section_names.c
b/tools/testing/selftests/bpf/test_section_names.c
index 29833aeaf0de..564585a07592 100644
--- a/tools/testing/selftests/bpf/test_section_names.c
+++ b/tools/testing/selftests/bpf/test_section_names.c
@@ -202,7 +202,137 @@ static int test_attach_type_by_name(const struct
sec_name_test *test)
return 0;
}
-static int run_test_case(const struct sec_name_test *test)
+static int test_prog_type_from_to_str(void)
+{
+ enum bpf_prog_type type, actual_type;
+ const char *str;
+ int rc;
+
+ for (type = BPF_PROG_TYPE_UNSPEC; type < __MAX_BPF_PROG_TYPE; type++) {
+ rc = libbpf_prog_type_to_str(type, &str);
+ if (rc) {
+ warnx("prog_type_to_str: unexpected rc=%d for type %d",
+ rc, type);
+ return rc;
+ }
+
+ rc = libbpf_prog_type_from_str(str, &actual_type);
+ if (rc) {
+ warnx("prog_type_from_str: unexpected rc=%d for str %s",
+ rc, str);
+ return rc;
+ }
+
+ if (actual_type != type) {
+ warnx("prog: unexpected prog_type for str %s, %d != %d",
+ str, actual_type, type);
+ return -EINVAL;
+ }
+ }
+
+ rc = libbpf_prog_type_to_str(__MAX_BPF_PROG_TYPE, &str);
+ if (!rc) {
+ warnx("prog: unexpected result for __MAX_BPF_PROG_TYPE");
+ return -EINVAL;
+ }
+
+ rc = libbpf_prog_type_from_str("NonExistent", &type);
+ if (!rc) {
+ warnx("prog: unexpected result for non existent key");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int test_map_type_from_to_str(void)
+{
+ enum bpf_map_type type, actual_type;
+ const char *str;
+ int rc;
+
+ for (type = BPF_MAP_TYPE_UNSPEC; type < __MAX_BPF_MAP_TYPE; type++) {
+ rc = libbpf_map_type_to_str(type, &str);
+ if (rc) {
+ warnx("map_type_to_str: unexpected rc=%d for type %d",
+ rc, type);
+ return rc;
+ }
+
+ rc = libbpf_map_type_from_str(str, &actual_type);
+ if (rc) {
+ warnx("map_type_from_str: unexpected rc=%d for str %s",
+ rc, str);
+ return rc;
+ }
+
+ if (actual_type != type) {
+ warnx("map: unexpected map_type for str %s, %d != %d",
+ str, actual_type, type);
+ return -EINVAL;
+ }
+ }
+
+ rc = libbpf_map_type_to_str(__MAX_BPF_MAP_TYPE, &str);
+ if (!rc) {
+ warnx("map: unexpected result for __MAX_BPF_MAP_TYPE");
+ return -EINVAL;
+ }
+
+ rc = libbpf_map_type_from_str("NonExistent", &type);
+ if (!rc) {
+ warnx("map: unexpected result for non existent key");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int test_attach_type_from_to_str(void)
+{
+ enum bpf_attach_type type, actual_type;
+ const char *str;
+ int rc;
+
+ for (type = BPF_CGROUP_INET_INGRESS; type < __MAX_BPF_ATTACH_TYPE;
+ type++) {
+ rc = libbpf_attach_type_to_str(type, &str);
+ if (rc) {
+ warnx("attach: unexpected rc=%d for type %d",
+ rc, type);
+ return rc;
+ }
+
+ rc = libbpf_attach_type_from_str(str, &actual_type);
+ if (rc) {
+ warnx("attach: unexpected rc=%d for str %s",
+ rc, str);
+ return rc;
+ }
+
+ if (actual_type != type) {
+ warnx("attach: unexpected type for str %s, %d != %d",
+ str, actual_type, type);
+ return -EINVAL;
+ }
+ }
+
+ rc = libbpf_attach_type_to_str(__MAX_BPF_ATTACH_TYPE, &str);
+ if (!rc) {
+ warnx("attach: unexpected result for __MAX_BPF_ATTACH_TYPE");
+ return -EINVAL;
+ }
+
+ rc = libbpf_attach_type_from_str("NonExistent", &type);
+ if (!rc) {
+ warnx("attach: unexpected result for non existent key");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int run_sec_name_test_case(const struct sec_name_test *test)
{
if (test_prog_type_by_name(test))
return -1;
@@ -218,11 +348,26 @@ static int run_tests(void)
int i;
for (i = 0; i < ARRAY_SIZE(tests); ++i) {
- if (run_test_case(&tests[i]))
+ if (run_sec_name_test_case(&tests[i]))
++fails;
else
++passes;
}
+
+ if (test_prog_type_from_to_str())
+ ++fails;
+ else
+ ++passes;
+
+ if (test_map_type_from_to_str())
+ ++fails;
+ else
+ ++passes;
+
+ if (test_attach_type_from_to_str())
+ ++fails;
+ else
+ ++passes;
printf("Summary: %d PASSED, %d FAILED\n", passes, fails);
return fails ? -1 : 0;
}
--
2.17.1
