Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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();
47 if (!ASSERT_OK_PTR(fexit_skel, "fexit_skel_open"))
48 goto cleanup;
49
50 fexit_skel->keyring_id = KEY_SPEC_SESSION_KEYRING;
51 err = fexit_test_lskel__load(fexit_skel);
52 if (!ASSERT_OK(err, "fexit_skel_load"))
53 goto cleanup;
54
55 err = fexit_test_common(fexit_skel);
56 if (!ASSERT_OK(err, "fexit_first_attach"))
57 goto cleanup;
58
59 err = fexit_test_common(fexit_skel);
60 ASSERT_OK(err, "fexit_second_attach");
61
62cleanup:
63 fexit_test_lskel__destroy(fexit_skel);
64}
65
66static void fexit_many_args(void)
67{
68 struct fexit_many_args *fexit_skel = NULL;
69 int err;
70
71 fexit_skel = fexit_many_args__open_and_load();
72 if (!ASSERT_OK_PTR(fexit_skel, "fexit_many_args_skel_load"))
73 goto cleanup;
74
75 err = fexit_many_args__attach(fexit_skel);
76 if (!ASSERT_OK(err, "fexit_many_args_attach"))
77 goto cleanup;
78
79 ASSERT_OK(trigger_module_test_read(1), "trigger_read");
80
81 ASSERT_EQ(fexit_skel->bss->test1_result, 1,
82 "fexit_many_args_result1");
83 ASSERT_EQ(fexit_skel->bss->test2_result, 1,
84 "fexit_many_args_result2");
85 ASSERT_EQ(fexit_skel->bss->test3_result, 1,
86 "fexit_many_args_result3");
87
88cleanup:
89 fexit_many_args__destroy(fexit_skel);
90}
91
92void test_fexit_test(void)
93{
94 if (test__start_subtest("fexit"))
95 fexit_test();
96 if (test__start_subtest("fexit_many_args"))
97 fexit_many_args();
98}