summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/bpf/test_loader.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/bpf/test_loader.c')
-rw-r--r--tools/testing/selftests/bpf/test_loader.c32
1 files changed, 29 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/test_loader.c b/tools/testing/selftests/bpf/test_loader.c
index 53b06647cf57..49f2fc61061f 100644
--- a/tools/testing/selftests/bpf/test_loader.c
+++ b/tools/testing/selftests/bpf/test_loader.c
@@ -37,6 +37,7 @@
#define TEST_TAG_JITED_PFX "comment:test_jited="
#define TEST_TAG_JITED_PFX_UNPRIV "comment:test_jited_unpriv="
#define TEST_TAG_CAPS_UNPRIV "comment:test_caps_unpriv="
+#define TEST_TAG_LOAD_MODE_PFX "comment:load_mode="
/* Warning: duplicated in bpf_misc.h */
#define POINTER_VALUE 0xcafe4all
@@ -55,6 +56,11 @@ enum mode {
UNPRIV = 2
};
+enum load_mode {
+ JITED = 1 << 0,
+ NO_JITED = 1 << 1,
+};
+
struct expect_msg {
const char *substr; /* substring match */
regex_t regex;
@@ -87,6 +93,7 @@ struct test_spec {
int prog_flags;
int mode_mask;
int arch_mask;
+ int load_mask;
bool auxiliary;
bool valid;
};
@@ -406,6 +413,7 @@ static int parse_test_spec(struct test_loader *tester,
bool collect_jit = false;
int func_id, i, err = 0;
u32 arch_mask = 0;
+ u32 load_mask = 0;
struct btf *btf;
enum arch arch;
@@ -580,10 +588,22 @@ static int parse_test_spec(struct test_loader *tester,
if (err)
goto cleanup;
spec->mode_mask |= UNPRIV;
+ } else if (str_has_pfx(s, TEST_TAG_LOAD_MODE_PFX)) {
+ val = s + sizeof(TEST_TAG_LOAD_MODE_PFX) - 1;
+ if (strcmp(val, "jited") == 0) {
+ load_mask = JITED;
+ } else if (strcmp(val, "no_jited") == 0) {
+ load_mask = NO_JITED;
+ } else {
+ PRINT_FAIL("bad load spec: '%s'", val);
+ err = -EINVAL;
+ goto cleanup;
+ }
}
}
spec->arch_mask = arch_mask ?: -1;
+ spec->load_mask = load_mask ?: (JITED | NO_JITED);
if (spec->mode_mask == 0)
spec->mode_mask = PRIV;
@@ -773,7 +793,7 @@ static int drop_capabilities(struct cap_state *caps)
err = cap_disable_effective(caps_to_drop, &caps->old_caps);
if (err) {
- PRINT_FAIL("failed to drop capabilities: %i, %s\n", err, strerror(err));
+ PRINT_FAIL("failed to drop capabilities: %i, %s\n", err, strerror(-err));
return err;
}
@@ -790,7 +810,7 @@ static int restore_capabilities(struct cap_state *caps)
err = cap_enable_effective(caps->old_caps, NULL);
if (err)
- PRINT_FAIL("failed to restore capabilities: %i, %s\n", err, strerror(err));
+ PRINT_FAIL("failed to restore capabilities: %i, %s\n", err, strerror(-err));
caps->initialized = false;
return err;
}
@@ -928,6 +948,7 @@ void run_subtest(struct test_loader *tester,
bool unpriv)
{
struct test_subspec *subspec = unpriv ? &spec->unpriv : &spec->priv;
+ int current_runtime = is_jit_enabled() ? JITED : NO_JITED;
struct bpf_program *tprog = NULL, *tprog_iter;
struct bpf_link *link, *links[32] = {};
struct test_spec *spec_iter;
@@ -946,6 +967,11 @@ void run_subtest(struct test_loader *tester,
return;
}
+ if ((current_runtime & spec->load_mask) == 0) {
+ test__skip();
+ return;
+ }
+
if (unpriv) {
if (!can_execute_unpriv(tester, spec)) {
test__skip();
@@ -959,7 +985,7 @@ void run_subtest(struct test_loader *tester,
if (subspec->caps) {
err = cap_enable_effective(subspec->caps, NULL);
if (err) {
- PRINT_FAIL("failed to set capabilities: %i, %s\n", err, strerror(err));
+ PRINT_FAIL("failed to set capabilities: %i, %s\n", err, strerror(-err));
goto subtest_cleanup;
}
}