1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019 Facebook */
3 #include <test_progs.h>
4 #include "fexit_test.lskel.h"
5
fexit_test(struct fexit_test * fexit_skel)6 static int fexit_test(struct fexit_test *fexit_skel)
7 {
8 int err, prog_fd, i;
9 __u32 duration = 0, retval;
10 int link_fd;
11 __u64 *result;
12
13 err = fexit_test__attach(fexit_skel);
14 if (!ASSERT_OK(err, "fexit_attach"))
15 return err;
16
17 /* Check that already linked program can't be attached again. */
18 link_fd = fexit_test__test1__attach(fexit_skel);
19 if (!ASSERT_LT(link_fd, 0, "fexit_attach_link"))
20 return -1;
21
22 prog_fd = fexit_skel->progs.test1.prog_fd;
23 err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
24 NULL, NULL, &retval, &duration);
25 ASSERT_OK(err, "test_run");
26 ASSERT_EQ(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__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
test_fexit_test(void)41 void test_fexit_test(void)
42 {
43 struct fexit_test *fexit_skel = NULL;
44 int err;
45
46 fexit_skel = fexit_test__open_and_load();
47 if (!ASSERT_OK_PTR(fexit_skel, "fexit_skel_load"))
48 goto cleanup;
49
50 err = fexit_test(fexit_skel);
51 if (!ASSERT_OK(err, "fexit_first_attach"))
52 goto cleanup;
53
54 err = fexit_test(fexit_skel);
55 ASSERT_OK(err, "fexit_second_attach");
56
57 cleanup:
58 fexit_test__destroy(fexit_skel);
59 }
60