1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2019 Facebook */
 3#include <test_progs.h>
 4#include "fexit_test.lskel.h"
 5#include "fexit_many_args.skel.h"
 6
 7static int fexit_test_common(struct fexit_test_lskel *fexit_skel)
 8{
 
 9	int err, prog_fd, i;
10	int link_fd;
11	__u64 *result;
12	LIBBPF_OPTS(bpf_test_run_opts, topts);
13
14	err = fexit_test_lskel__attach(fexit_skel);
15	if (!ASSERT_OK(err, "fexit_attach"))
16		return err;
17
18	/* Check that already linked program can't be attached again. */
19	link_fd = fexit_test_lskel__test1__attach(fexit_skel);
20	if (!ASSERT_LT(link_fd, 0, "fexit_attach_link"))
21		return -1;
22
23	prog_fd = fexit_skel->progs.test1.prog_fd;
24	err = bpf_prog_test_run_opts(prog_fd, &topts);
25	ASSERT_OK(err, "test_run");
26	ASSERT_EQ(topts.retval, 0, "test_run");
27
28	result = (__u64 *)fexit_skel->bss;
29	for (i = 0; i < sizeof(*fexit_skel->bss) / sizeof(__u64); i++) {
30		if (!ASSERT_EQ(result[i], 1, "fexit_result"))
31			return -1;
32	}
33
34	fexit_test_lskel__detach(fexit_skel);
35
36	/* zero results for re-attach test */
37	memset(fexit_skel->bss, 0, sizeof(*fexit_skel->bss));
38	return 0;
39}
40
41static void fexit_test(void)
42{
43	struct fexit_test_lskel *fexit_skel = NULL;
44	int err;
45
46	fexit_skel = fexit_test_lskel__open_and_load();
47	if (!ASSERT_OK_PTR(fexit_skel, "fexit_skel_load"))
48		goto cleanup;
49
50	err = fexit_test_common(fexit_skel);
51	if (!ASSERT_OK(err, "fexit_first_attach"))
52		goto cleanup;
53
54	err = fexit_test_common(fexit_skel);
55	ASSERT_OK(err, "fexit_second_attach");
 
 
 
 
56
57cleanup:
58	fexit_test_lskel__destroy(fexit_skel);
59}
60
61static void fexit_many_args(void)
62{
63	struct fexit_many_args *fexit_skel = NULL;
64	int err;
65
66	fexit_skel = fexit_many_args__open_and_load();
67	if (!ASSERT_OK_PTR(fexit_skel, "fexit_many_args_skel_load"))
68		goto cleanup;
69
70	err = fexit_many_args__attach(fexit_skel);
71	if (!ASSERT_OK(err, "fexit_many_args_attach"))
72		goto cleanup;
73
74	ASSERT_OK(trigger_module_test_read(1), "trigger_read");
75
76	ASSERT_EQ(fexit_skel->bss->test1_result, 1,
77		  "fexit_many_args_result1");
78	ASSERT_EQ(fexit_skel->bss->test2_result, 1,
79		  "fexit_many_args_result2");
80	ASSERT_EQ(fexit_skel->bss->test3_result, 1,
81		  "fexit_many_args_result3");
82
83cleanup:
84	fexit_many_args__destroy(fexit_skel);
85}
86
87void test_fexit_test(void)
88{
89	if (test__start_subtest("fexit"))
90		fexit_test();
91	if (test__start_subtest("fexit_many_args"))
92		fexit_many_args();
93}

 1// SPDX-License-Identifier: GPL-2.0
 2/* Copyright (c) 2019 Facebook */
 3#include <test_progs.h>
 4#include "fexit_test.skel.h"
 
 5
 6void test_fexit_test(void)
 7{
 8	struct fexit_test *fexit_skel = NULL;
 9	int err, prog_fd, i;
10	__u32 duration = 0, retval;
11	__u64 *result;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
12
13	fexit_skel = fexit_test__open_and_load();
14	if (CHECK(!fexit_skel, "fexit_skel_load", "fexit skeleton failed\n"))
 
 
 
 
 
 
 
 
 
 
15		goto cleanup;
16
17	err = fexit_test__attach(fexit_skel);
18	if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
19		goto cleanup;
20
21	prog_fd = bpf_program__fd(fexit_skel->progs.test1);
22	err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
23				NULL, NULL, &retval, &duration);
24	CHECK(err || retval, "test_run",
25	      "err %d errno %d retval %d duration %d\n",
26	      err, errno, retval, duration);
27
28	result = (__u64 *)fexit_skel->bss;
29	for (i = 0; i < 6; i++) {
30		if (CHECK(result[i] != 1, "result",
31			  "fexit_test%d failed err %lld\n", i + 1, result[i]))
32			goto cleanup;
33	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
34
35cleanup:
36	fexit_test__destroy(fexit_skel);
 
 
 
 
 
 
 
 
37}