1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
#include <test_progs.h>
#include <network_helpers.h>
#include "map_ptr_kern.lskel.h"
void test_map_ptr(void)
{
struct map_ptr_kern_lskel *skel;
__u32 duration = 0, retval;
char buf[128];
int err;
int page_size = getpagesize();
skel = map_ptr_kern_lskel__open();
if (!ASSERT_OK_PTR(skel, "skel_open"))
return;
skel->maps.m_ringbuf.max_entries = page_size;
err = map_ptr_kern_lskel__load(skel);
if (!ASSERT_OK(err, "skel_load"))
goto cleanup;
skel->bss->page_size = page_size;
err = bpf_prog_test_run(skel->progs.cg_skb.prog_fd, 1, &pkt_v4,
sizeof(pkt_v4), buf, NULL, &retval, NULL);
if (CHECK(err, "test_run", "err=%d errno=%d\n", err, errno))
goto cleanup;
if (CHECK(!retval, "retval", "retval=%d map_type=%u line=%u\n", retval,
skel->bss->g_map_type, skel->bss->g_line))
goto cleanup;
cleanup:
map_ptr_kern_lskel__destroy(skel);
}
|
