1// SPDX-License-Identifier: GPL-2.0
2#include <test_progs.h>
3#include <network_helpers.h>
4#include "skb_load_bytes.skel.h"
5
6void test_skb_load_bytes(void)
7{
8	struct skb_load_bytes *skel;
9	int err, prog_fd, test_result;
10	struct __sk_buff skb = { 0 };
11
12	LIBBPF_OPTS(bpf_test_run_opts, tattr,
13		.data_in = &pkt_v4,
14		.data_size_in = sizeof(pkt_v4),
15		.ctx_in = &skb,
16		.ctx_size_in = sizeof(skb),
17	);
18
19	skel = skb_load_bytes__open_and_load();
20	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
21		return;
22
23	prog_fd = bpf_program__fd(skel->progs.skb_process);
24	if (!ASSERT_GE(prog_fd, 0, "prog_fd"))
25		goto out;
26
27	skel->bss->load_offset = (uint32_t)(-1);
28	err = bpf_prog_test_run_opts(prog_fd, &tattr);
29	if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
30		goto out;
31	test_result = skel->bss->test_result;
32	if (!ASSERT_EQ(test_result, -EFAULT, "offset -1"))
33		goto out;
34
35	skel->bss->load_offset = (uint32_t)10;
36	err = bpf_prog_test_run_opts(prog_fd, &tattr);
37	if (!ASSERT_OK(err, "bpf_prog_test_run_opts"))
38		goto out;
39	test_result = skel->bss->test_result;
40	if (!ASSERT_EQ(test_result, 0, "offset 10"))
41		goto out;
42
43out:
44	skb_load_bytes__destroy(skel);
45}
46