xref: /linux/tools/testing/selftests/bpf/prog_tests/skeleton.c (revision d9c00c3b1639a3c8f46663cc042a3768d222021f)
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019 Facebook */
3 
4 #include <test_progs.h>
5 
6 struct s {
7 	int a;
8 	long long b;
9 } __attribute__((packed));
10 
11 #include "test_skeleton.skel.h"
12 
13 BPF_EMBED_OBJ(skeleton, "test_skeleton.o");
14 
15 void test_skeleton(void)
16 {
17 	int duration = 0, err;
18 	struct test_skeleton* skel;
19 	struct test_skeleton__bss *bss;
20 
21 	skel = test_skeleton__open_and_load(&skeleton_embed);
22 	if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
23 		return;
24 
25 	bss = skel->bss;
26 	bss->in1 = 1;
27 	bss->in2 = 2;
28 	bss->in3 = 3;
29 	bss->in4 = 4;
30 	bss->in5.a = 5;
31 	bss->in5.b = 6;
32 
33 	err = test_skeleton__attach(skel);
34 	if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
35 		goto cleanup;
36 
37 	/* trigger tracepoint */
38 	usleep(1);
39 
40 	CHECK(bss->out1 != 1, "res1", "got %d != exp %d\n", bss->out1, 1);
41 	CHECK(bss->out2 != 2, "res2", "got %lld != exp %d\n", bss->out2, 2);
42 	CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
43 	CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
44 	CHECK(bss->handler_out5.a != 5, "res5", "got %d != exp %d\n",
45 	      bss->handler_out5.a, 5);
46 	CHECK(bss->handler_out5.b != 6, "res6", "got %lld != exp %d\n",
47 	      bss->handler_out5.b, 6);
48 
49 cleanup:
50 	test_skeleton__destroy(skel);
51 }
52