1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2021 Facebook */
 3#include <test_progs.h>
 4#include <network_helpers.h>
 5#include "kfunc_call_test.lskel.h"
 6#include "kfunc_call_test_subprog.skel.h"
 7
 8static void test_main(void)
 9{
10	struct kfunc_call_test *skel;
11	int prog_fd, retval, err;
12
13	skel = kfunc_call_test__open_and_load();
14	if (!ASSERT_OK_PTR(skel, "skel"))
15		return;
16
17	prog_fd = skel->progs.kfunc_call_test1.prog_fd;
18	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
19				NULL, NULL, (__u32 *)&retval, NULL);
20	ASSERT_OK(err, "bpf_prog_test_run(test1)");
21	ASSERT_EQ(retval, 12, "test1-retval");
22
23	prog_fd = skel->progs.kfunc_call_test2.prog_fd;
24	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
25				NULL, NULL, (__u32 *)&retval, NULL);
26	ASSERT_OK(err, "bpf_prog_test_run(test2)");
27	ASSERT_EQ(retval, 3, "test2-retval");
28
29	kfunc_call_test__destroy(skel);
30}
31
32static void test_subprog(void)
33{
34	struct kfunc_call_test_subprog *skel;
35	int prog_fd, retval, err;
36
37	skel = kfunc_call_test_subprog__open_and_load();
38	if (!ASSERT_OK_PTR(skel, "skel"))
39		return;
40
41	prog_fd = bpf_program__fd(skel->progs.kfunc_call_test1);
42	err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4),
43				NULL, NULL, (__u32 *)&retval, NULL);
44	ASSERT_OK(err, "bpf_prog_test_run(test1)");
45	ASSERT_EQ(retval, 10, "test1-retval");
46	ASSERT_NEQ(skel->data->active_res, -1, "active_res");
47	ASSERT_EQ(skel->data->sk_state, BPF_TCP_CLOSE, "sk_state");
48
49	kfunc_call_test_subprog__destroy(skel);
50}
51
52void test_kfunc_call(void)
53{
54	if (test__start_subtest("main"))
55		test_main();
56
57	if (test__start_subtest("subprog"))
58		test_subprog();
59}