pinning_htab.c

 1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <test_progs.h>
 4#include "test_pinning_htab.skel.h"
 5
 6static void unpin_map(const char *map_name, const char *pin_path)
 7{
 8	struct test_pinning_htab *skel;
 9	struct bpf_map *map;
10	int err;
11
12	skel = test_pinning_htab__open_and_load();
13	if (!ASSERT_OK_PTR(skel, "skel open_and_load"))
14		return;
15
16	map = bpf_object__find_map_by_name(skel->obj, map_name);
17	if (!ASSERT_OK_PTR(map, "bpf_object__find_map_by_name"))
18		goto out;
19
20	err = bpf_map__pin(map, pin_path);
21	if (!ASSERT_OK(err, "bpf_map__pin"))
22		goto out;
23
24	err = bpf_map__unpin(map, pin_path);
25	ASSERT_OK(err, "bpf_map__unpin");
26out:
27	test_pinning_htab__destroy(skel);
28}
29
30void test_pinning_htab(void)
31{
32	if (test__start_subtest("timer_prealloc"))
33		unpin_map("timer_prealloc", "/sys/fs/bpf/timer_prealloc");
34	if (test__start_subtest("timer_no_prealloc"))
35		unpin_map("timer_no_prealloc", "/sys/fs/bpf/timer_no_prealloc");
36}