1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2020 Facebook
3 
4 #include <test_progs.h>
5 #include <network_helpers.h>
6 
7 #include "map_ptr_kern.lskel.h"
8 
9 void test_map_ptr(void)
10 {
11 	struct map_ptr_kern_lskel *skel;
12 	char buf[128];
13 	int err;
14 	int page_size = getpagesize();
15 	LIBBPF_OPTS(bpf_test_run_opts, topts,
16 		.data_in = &pkt_v4,
17 		.data_size_in = sizeof(pkt_v4),
18 		.data_out = buf,
19 		.data_size_out = sizeof(buf),
20 		.repeat = 1,
21 	);
22 
23 	skel = map_ptr_kern_lskel__open();
24 	if (!ASSERT_OK_PTR(skel, "skel_open"))
25 		return;
26 
27 	skel->maps.m_ringbuf.max_entries = page_size;
28 
29 	err = map_ptr_kern_lskel__load(skel);
30 	if (!ASSERT_OK(err, "skel_load"))
31 		goto cleanup;
32 
33 	skel->bss->page_size = page_size;
34 
35 	err = bpf_prog_test_run_opts(skel->progs.cg_skb.prog_fd, &topts);
36 
37 	if (!ASSERT_OK(err, "test_run"))
38 		goto cleanup;
39 
40 	if (!ASSERT_NEQ(topts.retval, 0, "test_run retval"))
41 		goto cleanup;
42 
43 cleanup:
44 	map_ptr_kern_lskel__destroy(skel);
45 }
46