1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019 Facebook */
3 #include <test_progs.h>
4 #include "test_pkt_access.skel.h"
5 #include "fentry_test.skel.h"
6 #include "fexit_test.skel.h"
7 
8 void test_fentry_fexit(void)
9 {
10 	struct test_pkt_access *pkt_skel = NULL;
11 	struct fentry_test *fentry_skel = NULL;
12 	struct fexit_test *fexit_skel = NULL;
13 	__u64 *fentry_res, *fexit_res;
14 	__u32 duration = 0, retval;
15 	int err, pkt_fd, i;
16 
17 	pkt_skel = test_pkt_access__open_and_load();
18 	if (CHECK(!pkt_skel, "pkt_skel_load", "pkt_access skeleton failed\n"))
19 		return;
20 	fentry_skel = fentry_test__open_and_load();
21 	if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n"))
22 		goto close_prog;
23 	fexit_skel = fexit_test__open_and_load();
24 	if (CHECK(!fexit_skel, "fexit_skel_load", "fexit skeleton failed\n"))
25 		goto close_prog;
26 
27 	err = fentry_test__attach(fentry_skel);
28 	if (CHECK(err, "fentry_attach", "fentry attach failed: %d\n", err))
29 		goto close_prog;
30 	err = fexit_test__attach(fexit_skel);
31 	if (CHECK(err, "fexit_attach", "fexit attach failed: %d\n", err))
32 		goto close_prog;
33 
34 	pkt_fd = bpf_program__fd(pkt_skel->progs.test_pkt_access);
35 	err = bpf_prog_test_run(pkt_fd, 1, &pkt_v6, sizeof(pkt_v6),
36 				NULL, NULL, &retval, &duration);
37 	CHECK(err || retval, "ipv6",
38 	      "err %d errno %d retval %d duration %d\n",
39 	      err, errno, retval, duration);
40 
41 	fentry_res = (__u64 *)fentry_skel->bss;
42 	fexit_res = (__u64 *)fexit_skel->bss;
43 	printf("%lld\n", fentry_skel->bss->test1_result);
44 	for (i = 0; i < 6; i++) {
45 		CHECK(fentry_res[i] != 1, "result",
46 		      "fentry_test%d failed err %lld\n", i + 1, fentry_res[i]);
47 		CHECK(fexit_res[i] != 1, "result",
48 		      "fexit_test%d failed err %lld\n", i + 1, fexit_res[i]);
49 	}
50 
51 close_prog:
52 	test_pkt_access__destroy(pkt_skel);
53 	fentry_test__destroy(fentry_skel);
54 	fexit_test__destroy(fexit_skel);
55 }
56