1 files changed, 61 insertions, 0 deletions

diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
index e9a9a31b2ffe..2959a52ced06 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_tcp_ca.c
@@ -9,6 +9,9 @@
 #include "bpf_cubic.skel.h"
 #include "bpf_tcp_nogpl.skel.h"
 #include "bpf_dctcp_release.skel.h"
+#include "tcp_ca_write_sk_pacing.skel.h"
+#include "tcp_ca_incompl_cong_ops.skel.h"
+#include "tcp_ca_unsupp_cong_op.skel.h"
 
 #ifndef ENOTSUPP
 #define ENOTSUPP 524
@@ -322,6 +325,58 @@ static void test_rel_setsockopt(void)
 	bpf_dctcp_release__destroy(rel_skel);
 }
 
+static void test_write_sk_pacing(void)
+{
+	struct tcp_ca_write_sk_pacing *skel;
+	struct bpf_link *link;
+
+	skel = tcp_ca_write_sk_pacing__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	link = bpf_map__attach_struct_ops(skel->maps.write_sk_pacing);
+	ASSERT_OK_PTR(link, "attach_struct_ops");
+
+	bpf_link__destroy(link);
+	tcp_ca_write_sk_pacing__destroy(skel);
+}
+
+static void test_incompl_cong_ops(void)
+{
+	struct tcp_ca_incompl_cong_ops *skel;
+	struct bpf_link *link;
+
+	skel = tcp_ca_incompl_cong_ops__open_and_load();
+	if (!ASSERT_OK_PTR(skel, "open_and_load"))
+		return;
+
+	/* That cong_avoid() and cong_control() are missing is only reported at
+	 * this point:
+	 */
+	link = bpf_map__attach_struct_ops(skel->maps.incompl_cong_ops);
+	ASSERT_ERR_PTR(link, "attach_struct_ops");
+
+	bpf_link__destroy(link);
+	tcp_ca_incompl_cong_ops__destroy(skel);
+}
+
+static void test_unsupp_cong_op(void)
+{
+	libbpf_print_fn_t old_print_fn;
+	struct tcp_ca_unsupp_cong_op *skel;
+
+	err_str = "attach to unsupported member get_info";
+	found = false;
+	old_print_fn = libbpf_set_print(libbpf_debug_print);
+
+	skel = tcp_ca_unsupp_cong_op__open_and_load();
+	ASSERT_NULL(skel, "open_and_load");
+	ASSERT_EQ(found, true, "expected_err_msg");
+
+	tcp_ca_unsupp_cong_op__destroy(skel);
+	libbpf_set_print(old_print_fn);
+}
+
 void test_bpf_tcp_ca(void)
 {
 	if (test__start_subtest("dctcp"))
@@ -334,4 +389,10 @@ void test_bpf_tcp_ca(void)
 		test_dctcp_fallback();
 	if (test__start_subtest("rel_setsockopt"))
 		test_rel_setsockopt();
+	if (test__start_subtest("write_sk_pacing"))
+		test_write_sk_pacing();
+	if (test__start_subtest("incompl_cong_ops"))
+		test_incompl_cong_ops();
+	if (test__start_subtest("unsupp_cong_op"))
+		test_unsupp_cong_op();
 }