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
 9void 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
43cleanup:
44	map_ptr_kern_lskel__destroy(skel);
45}