1 files changed, 48 insertions, 2 deletions

diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
index 6befa870434b..4a0670c056ba 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
@@ -489,10 +489,28 @@ cleanup:
 	bpf_link__destroy(link);
 }
 
+static int verify_tracing_link_info(int fd, u64 cookie)
+{
+	struct bpf_link_info info;
+	int err;
+	u32 len = sizeof(info);
+
+	err = bpf_link_get_info_by_fd(fd, &info, &len);
+	if (!ASSERT_OK(err, "get_link_info"))
+		return -1;
+
+	if (!ASSERT_EQ(info.type, BPF_LINK_TYPE_TRACING, "link_type"))
+		return -1;
+
+	ASSERT_EQ(info.tracing.cookie, cookie, "tracing_cookie");
+
+	return 0;
+}
+
 static void tracing_subtest(struct test_bpf_cookie *skel)
 {
 	__u64 cookie;
-	int prog_fd;
+	int prog_fd, err;
 	int fentry_fd = -1, fexit_fd = -1, fmod_ret_fd = -1;
 	LIBBPF_OPTS(bpf_test_run_opts, opts);
 	LIBBPF_OPTS(bpf_link_create_opts, link_opts);
@@ -507,6 +525,10 @@ static void tracing_subtest(struct test_bpf_cookie *skel)
 	if (!ASSERT_GE(fentry_fd, 0, "fentry.link_create"))
 		goto cleanup;
 
+	err = verify_tracing_link_info(fentry_fd, cookie);
+	if (!ASSERT_OK(err, "verify_tracing_link_info"))
+		goto cleanup;
+
 	cookie = 0x20000000000000L;
 	prog_fd = bpf_program__fd(skel->progs.fexit_test1);
 	link_opts.tracing.cookie = cookie;
@@ -635,10 +657,29 @@ cleanup:
 	bpf_link__destroy(link);
 }
 
+static int verify_raw_tp_link_info(int fd, u64 cookie)
+{
+	struct bpf_link_info info;
+	int err;
+	u32 len = sizeof(info);
+
+	memset(&info, 0, sizeof(info));
+	err = bpf_link_get_info_by_fd(fd, &info, &len);
+	if (!ASSERT_OK(err, "get_link_info"))
+		return -1;
+
+	if (!ASSERT_EQ(info.type, BPF_LINK_TYPE_RAW_TRACEPOINT, "link_type"))
+		return -1;
+
+	ASSERT_EQ(info.raw_tracepoint.cookie, cookie, "raw_tp_cookie");
+
+	return 0;
+}
+
 static void raw_tp_subtest(struct test_bpf_cookie *skel)
 {
 	__u64 cookie;
-	int prog_fd, link_fd = -1;
+	int err, prog_fd, link_fd = -1;
 	struct bpf_link *link = NULL;
 	LIBBPF_OPTS(bpf_raw_tp_opts, raw_tp_opts);
 	LIBBPF_OPTS(bpf_raw_tracepoint_opts, opts);
@@ -656,6 +697,11 @@ static void raw_tp_subtest(struct test_bpf_cookie *skel)
 		goto cleanup;
 
 	usleep(1); /* trigger */
+
+	err = verify_raw_tp_link_info(link_fd, cookie);
+	if (!ASSERT_OK(err, "verify_raw_tp_link_info"))
+		goto cleanup;
+
 	close(link_fd); /* detach */
 	link_fd = -1;