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
6 void 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
43 out:
44 skb_load_bytes__destroy(skel);
45 }
46
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